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gecko-dev/dom/html/HTMLInputElement.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/HTMLInputElement.h"
#include "mozilla/ArrayUtils.h"
#include "mozilla/AsyncEventDispatcher.h"
#include "mozilla/DebugOnly.h"
#include "mozilla/dom/Date.h"
#include "mozilla/dom/Directory.h"
#include "mozilla/dom/FileSystemUtils.h"
#include "mozilla/dom/OSFileSystem.h"
#include "nsAttrValueInlines.h"
#include "nsCRTGlue.h"
#include "nsIDOMHTMLInputElement.h"
#include "nsITextControlElement.h"
#include "nsIDOMNSEditableElement.h"
#include "nsIRadioVisitor.h"
#include "nsIPhonetic.h"
#include "mozilla/Telemetry.h"
#include "nsIControllers.h"
#include "nsIStringBundle.h"
#include "nsFocusManager.h"
#include "nsColorControlFrame.h"
#include "nsNumberControlFrame.h"
#include "nsPIDOMWindow.h"
#include "nsRepeatService.h"
#include "nsContentCID.h"
#include "nsIComponentManager.h"
#include "nsIDOMHTMLFormElement.h"
#include "mozilla/dom/ProgressEvent.h"
#include "nsGkAtoms.h"
#include "nsStyleConsts.h"
#include "nsPresContext.h"
#include "nsMappedAttributes.h"
#include "nsIFormControl.h"
#include "nsIForm.h"
#include "nsFormSubmission.h"
#include "nsFormSubmissionConstants.h"
#include "nsIDocument.h"
#include "nsIPresShell.h"
#include "nsIFormControlFrame.h"
#include "nsITextControlFrame.h"
#include "nsIFrame.h"
#include "nsRangeFrame.h"
#include "nsIServiceManager.h"
#include "nsError.h"
#include "nsIEditor.h"
#include "nsIIOService.h"
#include "nsDocument.h"
#include "nsAttrValueOrString.h"
#include "nsPresState.h"
#include "nsIDOMEvent.h"
#include "nsIDOMNodeList.h"
#include "nsIDOMHTMLCollection.h"
#include "nsLinebreakConverter.h" //to strip out carriage returns
#include "nsReadableUtils.h"
#include "nsUnicharUtils.h"
#include "nsLayoutUtils.h"
#include "nsVariant.h"
#include "nsIDOMMutationEvent.h"
#include "mozilla/ContentEvents.h"
#include "mozilla/EventDispatcher.h"
#include "mozilla/EventStates.h"
#include "mozilla/InternalMutationEvent.h"
#include "mozilla/TextEvents.h"
#include "mozilla/TouchEvents.h"
#include "nsRuleData.h"
#include <algorithm>
// input type=radio
#include "nsIRadioGroupContainer.h"
// input type=file
#include "mozilla/dom/File.h"
#include "mozilla/dom/FileList.h"
#include "nsIFile.h"
#include "nsNetCID.h"
#include "nsNetUtil.h"
#include "nsDirectoryServiceDefs.h"
#include "nsIContentPrefService.h"
#include "nsIMIMEService.h"
#include "nsIObserverService.h"
#include "nsIPopupWindowManager.h"
#include "nsGlobalWindow.h"
// input type=image
#include "nsImageLoadingContent.h"
#include "imgRequestProxy.h"
#include "mozAutoDocUpdate.h"
#include "nsContentCreatorFunctions.h"
#include "nsContentUtils.h"
#include "mozilla/dom/DirectionalityUtils.h"
#include "nsRadioVisitor.h"
#include "nsTextEditorState.h"
#include "mozilla/LookAndFeel.h"
#include "mozilla/Preferences.h"
#include "mozilla/MathAlgorithms.h"
#include "nsIIDNService.h"
#include <limits>
#include "nsIColorPicker.h"
#include "nsIStringEnumerator.h"
#include "HTMLSplitOnSpacesTokenizer.h"
#include "nsIController.h"
#include "nsIMIMEInfo.h"
#include "nsFrameSelection.h"
// input type=date
#include "js/Date.h"
NS_IMPL_NS_NEW_HTML_ELEMENT_CHECK_PARSER(Input)
// XXX align=left, hspace, vspace, border? other nav4 attrs
static NS_DEFINE_CID(kXULControllersCID, NS_XULCONTROLLERS_CID);
// This must come outside of any namespace, or else it won't overload with the
// double based version in nsMathUtils.h
inline mozilla::Decimal
NS_floorModulo(mozilla::Decimal x, mozilla::Decimal y)
{
return (x - y * (x / y).floor());
}
namespace mozilla {
namespace dom {
// First bits are needed for the control type.
#define NS_OUTER_ACTIVATE_EVENT (1 << 9)
#define NS_ORIGINAL_CHECKED_VALUE (1 << 10)
#define NS_NO_CONTENT_DISPATCH (1 << 11)
#define NS_ORIGINAL_INDETERMINATE_VALUE (1 << 12)
#define NS_CONTROL_TYPE(bits) ((bits) & ~( \
NS_OUTER_ACTIVATE_EVENT | NS_ORIGINAL_CHECKED_VALUE | NS_NO_CONTENT_DISPATCH | \
NS_ORIGINAL_INDETERMINATE_VALUE))
// whether textfields should be selected once focused:
// -1: no, 1: yes, 0: uninitialized
static int32_t gSelectTextFieldOnFocus;
UploadLastDir* HTMLInputElement::gUploadLastDir;
static const nsAttrValue::EnumTable kInputTypeTable[] = {
{ "button", NS_FORM_INPUT_BUTTON },
{ "checkbox", NS_FORM_INPUT_CHECKBOX },
{ "color", NS_FORM_INPUT_COLOR },
{ "date", NS_FORM_INPUT_DATE },
{ "email", NS_FORM_INPUT_EMAIL },
{ "file", NS_FORM_INPUT_FILE },
{ "hidden", NS_FORM_INPUT_HIDDEN },
{ "reset", NS_FORM_INPUT_RESET },
{ "image", NS_FORM_INPUT_IMAGE },
{ "number", NS_FORM_INPUT_NUMBER },
{ "password", NS_FORM_INPUT_PASSWORD },
{ "radio", NS_FORM_INPUT_RADIO },
{ "range", NS_FORM_INPUT_RANGE },
{ "search", NS_FORM_INPUT_SEARCH },
{ "submit", NS_FORM_INPUT_SUBMIT },
{ "tel", NS_FORM_INPUT_TEL },
{ "text", NS_FORM_INPUT_TEXT },
{ "time", NS_FORM_INPUT_TIME },
{ "url", NS_FORM_INPUT_URL },
{ 0 }
};
// Default type is 'text'.
static const nsAttrValue::EnumTable* kInputDefaultType = &kInputTypeTable[16];
static const uint8_t NS_INPUT_INPUTMODE_AUTO = 0;
static const uint8_t NS_INPUT_INPUTMODE_NUMERIC = 1;
static const uint8_t NS_INPUT_INPUTMODE_DIGIT = 2;
static const uint8_t NS_INPUT_INPUTMODE_UPPERCASE = 3;
static const uint8_t NS_INPUT_INPUTMODE_LOWERCASE = 4;
static const uint8_t NS_INPUT_INPUTMODE_TITLECASE = 5;
static const uint8_t NS_INPUT_INPUTMODE_AUTOCAPITALIZED = 6;
static const nsAttrValue::EnumTable kInputInputmodeTable[] = {
{ "auto", NS_INPUT_INPUTMODE_AUTO },
{ "numeric", NS_INPUT_INPUTMODE_NUMERIC },
{ "digit", NS_INPUT_INPUTMODE_DIGIT },
{ "uppercase", NS_INPUT_INPUTMODE_UPPERCASE },
{ "lowercase", NS_INPUT_INPUTMODE_LOWERCASE },
{ "titlecase", NS_INPUT_INPUTMODE_TITLECASE },
{ "autocapitalized", NS_INPUT_INPUTMODE_AUTOCAPITALIZED },
{ 0 }
};
// Default inputmode value is "auto".
static const nsAttrValue::EnumTable* kInputDefaultInputmode = &kInputInputmodeTable[0];
const Decimal HTMLInputElement::kStepScaleFactorDate = Decimal(86400000);
const Decimal HTMLInputElement::kStepScaleFactorNumberRange = Decimal(1);
const Decimal HTMLInputElement::kStepScaleFactorTime = Decimal(1000);
const Decimal HTMLInputElement::kDefaultStepBase = Decimal(0);
const Decimal HTMLInputElement::kDefaultStep = Decimal(1);
const Decimal HTMLInputElement::kDefaultStepTime = Decimal(60);
const Decimal HTMLInputElement::kStepAny = Decimal(0);
#define NS_INPUT_ELEMENT_STATE_IID \
{ /* dc3b3d14-23e2-4479-b513-7b369343e3a0 */ \
0xdc3b3d14, \
0x23e2, \
0x4479, \
{0xb5, 0x13, 0x7b, 0x36, 0x93, 0x43, 0xe3, 0xa0} \
}
#define PROGRESS_STR "progress"
static const uint32_t kProgressEventInterval = 50; // ms
class HTMLInputElementState final : public nsISupports
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_INPUT_ELEMENT_STATE_IID)
NS_DECL_ISUPPORTS
bool IsCheckedSet()
{
return mCheckedSet;
}
bool GetChecked()
{
return mChecked;
}
void SetChecked(bool aChecked)
{
mChecked = aChecked;
mCheckedSet = true;
}
const nsString& GetValue()
{
return mValue;
}
void SetValue(const nsAString& aValue)
{
mValue = aValue;
}
const nsTArray<RefPtr<BlobImpl>>& GetBlobImpls()
{
return mBlobImpls;
}
void SetBlobImpls(const nsTArray<RefPtr<File>>& aFile)
{
mBlobImpls.Clear();
for (uint32_t i = 0, len = aFile.Length(); i < len; ++i) {
mBlobImpls.AppendElement(aFile[i]->Impl());
}
}
HTMLInputElementState()
: mValue()
, mChecked(false)
, mCheckedSet(false)
{}
protected:
~HTMLInputElementState() {}
nsString mValue;
nsTArray<RefPtr<BlobImpl>> mBlobImpls;
bool mChecked;
bool mCheckedSet;
};
NS_DEFINE_STATIC_IID_ACCESSOR(HTMLInputElementState, NS_INPUT_ELEMENT_STATE_IID)
NS_IMPL_ISUPPORTS(HTMLInputElementState, HTMLInputElementState)
HTMLInputElement::nsFilePickerShownCallback::nsFilePickerShownCallback(
HTMLInputElement* aInput, nsIFilePicker* aFilePicker)
: mFilePicker(aFilePicker)
, mInput(aInput)
{
}
NS_IMPL_ISUPPORTS(UploadLastDir::ContentPrefCallback, nsIContentPrefCallback2)
NS_IMETHODIMP
UploadLastDir::ContentPrefCallback::HandleCompletion(uint16_t aReason)
{
nsCOMPtr<nsIFile> localFile;
nsAutoString prefStr;
if (aReason == nsIContentPrefCallback2::COMPLETE_ERROR || !mResult) {
prefStr = Preferences::GetString("dom.input.fallbackUploadDir");
if (prefStr.IsEmpty()) {
// If no custom directory was set through the pref, default to
// "desktop" directory for each platform.
NS_GetSpecialDirectory(NS_OS_DESKTOP_DIR, getter_AddRefs(localFile));
}
}
if (!localFile) {
if (prefStr.IsEmpty() && mResult) {
nsCOMPtr<nsIVariant> pref;
mResult->GetValue(getter_AddRefs(pref));
pref->GetAsAString(prefStr);
}
localFile = do_CreateInstance(NS_LOCAL_FILE_CONTRACTID);
localFile->InitWithPath(prefStr);
}
mFilePicker->SetDisplayDirectory(localFile);
mFilePicker->Open(mFpCallback);
return NS_OK;
}
NS_IMETHODIMP
UploadLastDir::ContentPrefCallback::HandleResult(nsIContentPref* pref)
{
mResult = pref;
return NS_OK;
}
NS_IMETHODIMP
UploadLastDir::ContentPrefCallback::HandleError(nsresult error)
{
// HandleCompletion is always called (even with HandleError was called),
// so we don't need to do anything special here.
return NS_OK;
}
namespace {
/**
* This may return nullptr if aDomFile's implementation of
* File::mozFullPathInternal does not successfully return a non-empty
* string that is a valid path. This can happen on Firefox OS, for example,
* where the file picker can create Blobs.
*/
static already_AddRefed<nsIFile>
DOMFileToLocalFile(File* aDomFile)
{
nsString path;
ErrorResult rv;
aDomFile->GetMozFullPathInternal(path, rv);
if (rv.Failed() || path.IsEmpty()) {
rv.SuppressException();
return nullptr;
}
nsCOMPtr<nsIFile> localFile;
rv = NS_NewNativeLocalFile(NS_ConvertUTF16toUTF8(path), true,
getter_AddRefs(localFile));
if (NS_WARN_IF(rv.Failed())) {
rv.SuppressException();
return nullptr;
}
return localFile.forget();
}
} // namespace
NS_IMETHODIMP
HTMLInputElement::nsFilePickerShownCallback::Done(int16_t aResult)
{
mInput->PickerClosed();
if (aResult == nsIFilePicker::returnCancel) {
return NS_OK;
}
int16_t mode;
mFilePicker->GetMode(&mode);
// Collect new selected filenames
nsTArray<RefPtr<File>> newFiles;
if (mode == static_cast<int16_t>(nsIFilePicker::modeOpenMultiple)) {
nsCOMPtr<nsISimpleEnumerator> iter;
nsresult rv =
mFilePicker->GetDomFileOrDirectoryEnumerator(getter_AddRefs(iter));
NS_ENSURE_SUCCESS(rv, rv);
if (!iter) {
return NS_OK;
}
nsCOMPtr<nsISupports> tmp;
bool hasMore = true;
while (NS_SUCCEEDED(iter->HasMoreElements(&hasMore)) && hasMore) {
iter->GetNext(getter_AddRefs(tmp));
nsCOMPtr<nsIDOMBlob> domBlob = do_QueryInterface(tmp);
MOZ_ASSERT(domBlob,
"Null file object from FilePicker's file enumerator?");
if (domBlob) {
newFiles.AppendElement(static_cast<File*>(domBlob.get()));
}
}
} else {
MOZ_ASSERT(mode == static_cast<int16_t>(nsIFilePicker::modeOpen) ||
mode == static_cast<int16_t>(nsIFilePicker::modeGetFolder));
nsCOMPtr<nsISupports> tmp;
nsresult rv = mFilePicker->GetDomFileOrDirectory(getter_AddRefs(tmp));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIDOMBlob> blob = do_QueryInterface(tmp);
if (blob) {
RefPtr<File> file = static_cast<Blob*>(blob.get())->ToFile();
newFiles.AppendElement(file);
}
}
if (newFiles.IsEmpty()) {
return NS_OK;
}
// Store the last used directory using the content pref service:
nsCOMPtr<nsIFile> file = DOMFileToLocalFile(newFiles[0]);
if (file) {
nsCOMPtr<nsIFile> lastUsedDir;
file->GetParent(getter_AddRefs(lastUsedDir));
HTMLInputElement::gUploadLastDir->StoreLastUsedDirectory(
mInput->OwnerDoc(), lastUsedDir);
}
// The text control frame (if there is one) isn't going to send a change
// event because it will think this is done by a script.
// So, we can safely send one by ourself.
mInput->SetFiles(newFiles, true);
return nsContentUtils::DispatchTrustedEvent(mInput->OwnerDoc(),
static_cast<nsIDOMHTMLInputElement*>(mInput.get()),
NS_LITERAL_STRING("change"), true,
false);
}
NS_IMPL_ISUPPORTS(HTMLInputElement::nsFilePickerShownCallback,
nsIFilePickerShownCallback)
class nsColorPickerShownCallback final
: public nsIColorPickerShownCallback
{
~nsColorPickerShownCallback() {}
public:
nsColorPickerShownCallback(HTMLInputElement* aInput,
nsIColorPicker* aColorPicker)
: mInput(aInput)
, mColorPicker(aColorPicker)
, mValueChanged(false)
{}
NS_DECL_ISUPPORTS
NS_IMETHOD Update(const nsAString& aColor) override;
NS_IMETHOD Done(const nsAString& aColor) override;
private:
/**
* Updates the internals of the object using aColor as the new value.
* If aTrustedUpdate is true, it will consider that aColor is a new value.
* Otherwise, it will check that aColor is different from the current value.
*/
nsresult UpdateInternal(const nsAString& aColor, bool aTrustedUpdate);
RefPtr<HTMLInputElement> mInput;
nsCOMPtr<nsIColorPicker> mColorPicker;
bool mValueChanged;
};
nsresult
nsColorPickerShownCallback::UpdateInternal(const nsAString& aColor,
bool aTrustedUpdate)
{
bool valueChanged = false;
nsAutoString oldValue;
if (aTrustedUpdate) {
valueChanged = true;
} else {
mInput->GetValue(oldValue);
}
mInput->SetValue(aColor);
if (!aTrustedUpdate) {
nsAutoString newValue;
mInput->GetValue(newValue);
if (!oldValue.Equals(newValue)) {
valueChanged = true;
}
}
if (valueChanged) {
mValueChanged = true;
return nsContentUtils::DispatchTrustedEvent(mInput->OwnerDoc(),
static_cast<nsIDOMHTMLInputElement*>(mInput.get()),
NS_LITERAL_STRING("input"), true,
false);
}
return NS_OK;
}
NS_IMETHODIMP
nsColorPickerShownCallback::Update(const nsAString& aColor)
{
return UpdateInternal(aColor, true);
}
NS_IMETHODIMP
nsColorPickerShownCallback::Done(const nsAString& aColor)
{
/**
* When Done() is called, we might be at the end of a serie of Update() calls
* in which case mValueChanged is set to true and a change event will have to
* be fired but we might also be in a one shot Done() call situation in which
* case we should fire a change event iif the value actually changed.
* UpdateInternal(bool) is taking care of that logic for us.
*/
nsresult rv = NS_OK;
mInput->PickerClosed();
if (!aColor.IsEmpty()) {
UpdateInternal(aColor, false);
}
if (mValueChanged) {
rv = nsContentUtils::DispatchTrustedEvent(mInput->OwnerDoc(),
static_cast<nsIDOMHTMLInputElement*>(mInput.get()),
NS_LITERAL_STRING("change"), true,
false);
}
return rv;
}
NS_IMPL_ISUPPORTS(nsColorPickerShownCallback, nsIColorPickerShownCallback)
bool
HTMLInputElement::IsPopupBlocked() const
{
nsCOMPtr<nsPIDOMWindowOuter> win = OwnerDoc()->GetWindow();
MOZ_ASSERT(win, "window should not be null");
if (!win) {
return true;
}
// Check if page is allowed to open the popup
if (win->GetPopupControlState() <= openControlled) {
return false;
}
nsCOMPtr<nsIPopupWindowManager> pm = do_GetService(NS_POPUPWINDOWMANAGER_CONTRACTID);
if (!pm) {
return true;
}
uint32_t permission;
pm->TestPermission(OwnerDoc()->NodePrincipal(), &permission);
return permission == nsIPopupWindowManager::DENY_POPUP;
}
nsresult
HTMLInputElement::InitColorPicker()
{
if (mPickerRunning) {
NS_WARNING("Just one nsIColorPicker is allowed");
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIDocument> doc = OwnerDoc();
nsCOMPtr<nsPIDOMWindowOuter> win = doc->GetWindow();
if (!win) {
return NS_ERROR_FAILURE;
}
if (IsPopupBlocked()) {
win->FirePopupBlockedEvent(doc, nullptr, EmptyString(), EmptyString());
return NS_OK;
}
// Get Loc title
nsXPIDLString title;
nsContentUtils::GetLocalizedString(nsContentUtils::eFORMS_PROPERTIES,
"ColorPicker", title);
nsCOMPtr<nsIColorPicker> colorPicker = do_CreateInstance("@mozilla.org/colorpicker;1");
if (!colorPicker) {
return NS_ERROR_FAILURE;
}
nsAutoString initialValue;
GetValueInternal(initialValue);
nsresult rv = colorPicker->Init(win, title, initialValue);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIColorPickerShownCallback> callback =
new nsColorPickerShownCallback(this, colorPicker);
rv = colorPicker->Open(callback);
if (NS_SUCCEEDED(rv)) {
mPickerRunning = true;
}
return rv;
}
nsresult
HTMLInputElement::InitFilePicker(FilePickerType aType)
{
if (mPickerRunning) {
NS_WARNING("Just one nsIFilePicker is allowed");
return NS_ERROR_FAILURE;
}
// Get parent nsPIDOMWindow object.
nsCOMPtr<nsIDocument> doc = OwnerDoc();
nsCOMPtr<nsPIDOMWindowOuter> win = doc->GetWindow();
if (!win) {
return NS_ERROR_FAILURE;
}
if (IsPopupBlocked()) {
win->FirePopupBlockedEvent(doc, nullptr, EmptyString(), EmptyString());
return NS_OK;
}
// Get Loc title
nsXPIDLString title;
nsContentUtils::GetLocalizedString(nsContentUtils::eFORMS_PROPERTIES,
"FileUpload", title);
nsCOMPtr<nsIFilePicker> filePicker = do_CreateInstance("@mozilla.org/filepicker;1");
if (!filePicker)
return NS_ERROR_FAILURE;
int16_t mode;
if (aType == FILE_PICKER_DIRECTORY) {
mode = static_cast<int16_t>(nsIFilePicker::modeGetFolder);
} else if (HasAttr(kNameSpaceID_None, nsGkAtoms::multiple)) {
mode = static_cast<int16_t>(nsIFilePicker::modeOpenMultiple);
} else {
mode = static_cast<int16_t>(nsIFilePicker::modeOpen);
}
nsresult rv = filePicker->Init(win, title, mode);
NS_ENSURE_SUCCESS(rv, rv);
// Native directory pickers ignore file type filters, so we don't spend
// cycles adding them for FILE_PICKER_DIRECTORY.
if (HasAttr(kNameSpaceID_None, nsGkAtoms::accept) &&
aType != FILE_PICKER_DIRECTORY) {
SetFilePickerFiltersFromAccept(filePicker);
} else {
filePicker->AppendFilters(nsIFilePicker::filterAll);
}
// Set default directry and filename
nsAutoString defaultName;
const nsTArray<RefPtr<File>>& oldFiles = GetFilesInternal();
nsCOMPtr<nsIFilePickerShownCallback> callback =
new HTMLInputElement::nsFilePickerShownCallback(this, filePicker);
if (!oldFiles.IsEmpty() &&
aType != FILE_PICKER_DIRECTORY) {
nsString path;
ErrorResult error;
oldFiles[0]->GetMozFullPathInternal(path, error);
if (NS_WARN_IF(error.Failed())) {
return error.StealNSResult();
}
nsCOMPtr<nsIFile> localFile;
rv = NS_NewLocalFile(path, false, getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv)) {
nsCOMPtr<nsIFile> parentFile;
rv = localFile->GetParent(getter_AddRefs(parentFile));
if (NS_SUCCEEDED(rv)) {
filePicker->SetDisplayDirectory(parentFile);
}
}
// Unfortunately nsIFilePicker doesn't allow multiple files to be
// default-selected, so only select something by default if exactly
// one file was selected before.
if (oldFiles.Length() == 1) {
nsAutoString leafName;
oldFiles[0]->GetName(leafName);
if (!leafName.IsEmpty()) {
filePicker->SetDefaultString(leafName);
}
}
rv = filePicker->Open(callback);
if (NS_SUCCEEDED(rv)) {
mPickerRunning = true;
}
return rv;
}
HTMLInputElement::gUploadLastDir->FetchDirectoryAndDisplayPicker(doc, filePicker, callback);
mPickerRunning = true;
return NS_OK;
}
#define CPS_PREF_NAME NS_LITERAL_STRING("browser.upload.lastDir")
NS_IMPL_ISUPPORTS(UploadLastDir, nsIObserver, nsISupportsWeakReference)
void
HTMLInputElement::InitUploadLastDir() {
gUploadLastDir = new UploadLastDir();
NS_ADDREF(gUploadLastDir);
nsCOMPtr<nsIObserverService> observerService =
mozilla::services::GetObserverService();
if (observerService && gUploadLastDir) {
observerService->AddObserver(gUploadLastDir, "browser:purge-session-history", true);
}
}
void
HTMLInputElement::DestroyUploadLastDir() {
NS_IF_RELEASE(gUploadLastDir);
}
nsresult
UploadLastDir::FetchDirectoryAndDisplayPicker(nsIDocument* aDoc,
nsIFilePicker* aFilePicker,
nsIFilePickerShownCallback* aFpCallback)
{
NS_PRECONDITION(aDoc, "aDoc is null");
NS_PRECONDITION(aFilePicker, "aFilePicker is null");
NS_PRECONDITION(aFpCallback, "aFpCallback is null");
nsIURI* docURI = aDoc->GetDocumentURI();
NS_PRECONDITION(docURI, "docURI is null");
nsCOMPtr<nsILoadContext> loadContext = aDoc->GetLoadContext();
nsCOMPtr<nsIContentPrefCallback2> prefCallback =
new UploadLastDir::ContentPrefCallback(aFilePicker, aFpCallback);
#ifdef MOZ_B2G
if (XRE_IsContentProcess()) {
prefCallback->HandleCompletion(nsIContentPrefCallback2::COMPLETE_ERROR);
return NS_OK;
}
#endif
// Attempt to get the CPS, if it's not present we'll fallback to use the Desktop folder
nsCOMPtr<nsIContentPrefService2> contentPrefService =
do_GetService(NS_CONTENT_PREF_SERVICE_CONTRACTID);
if (!contentPrefService) {
prefCallback->HandleCompletion(nsIContentPrefCallback2::COMPLETE_ERROR);
return NS_OK;
}
nsAutoCString cstrSpec;
docURI->GetSpec(cstrSpec);
NS_ConvertUTF8toUTF16 spec(cstrSpec);
contentPrefService->GetByDomainAndName(spec, CPS_PREF_NAME, loadContext, prefCallback);
return NS_OK;
}
nsresult
UploadLastDir::StoreLastUsedDirectory(nsIDocument* aDoc, nsIFile* aDir)
{
NS_PRECONDITION(aDoc, "aDoc is null");
if (!aDir) {
return NS_OK;
}
#ifdef MOZ_B2G
if (XRE_IsContentProcess()) {
return NS_OK;
}
#endif
nsCOMPtr<nsIURI> docURI = aDoc->GetDocumentURI();
NS_PRECONDITION(docURI, "docURI is null");
// Attempt to get the CPS, if it's not present we'll just return
nsCOMPtr<nsIContentPrefService2> contentPrefService =
do_GetService(NS_CONTENT_PREF_SERVICE_CONTRACTID);
if (!contentPrefService)
return NS_ERROR_NOT_AVAILABLE;
nsAutoCString cstrSpec;
docURI->GetSpec(cstrSpec);
NS_ConvertUTF8toUTF16 spec(cstrSpec);
// Find the parent of aFile, and store it
nsString unicodePath;
aDir->GetPath(unicodePath);
if (unicodePath.IsEmpty()) // nothing to do
return NS_OK;
RefPtr<nsVariantCC> prefValue = new nsVariantCC();
prefValue->SetAsAString(unicodePath);
// Use the document's current load context to ensure that the content pref
// service doesn't persistently store this directory for this domain if the
// user is using private browsing:
nsCOMPtr<nsILoadContext> loadContext = aDoc->GetLoadContext();
return contentPrefService->Set(spec, CPS_PREF_NAME, prefValue, loadContext, nullptr);
}
NS_IMETHODIMP
UploadLastDir::Observe(nsISupports* aSubject, char const* aTopic, char16_t const* aData)
{
if (strcmp(aTopic, "browser:purge-session-history") == 0) {
nsCOMPtr<nsIContentPrefService2> contentPrefService =
do_GetService(NS_CONTENT_PREF_SERVICE_CONTRACTID);
if (contentPrefService)
contentPrefService->RemoveByName(CPS_PREF_NAME, nullptr, nullptr);
}
return NS_OK;
}
#ifdef ACCESSIBILITY
//Helper method
static nsresult FireEventForAccessibility(nsIDOMHTMLInputElement* aTarget,
nsPresContext* aPresContext,
const nsAString& aEventType);
#endif
//
// construction, destruction
//
HTMLInputElement::HTMLInputElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo,
FromParser aFromParser)
: nsGenericHTMLFormElementWithState(aNodeInfo)
, mType(kInputDefaultType->value)
, mAutocompleteAttrState(nsContentUtils::eAutocompleteAttrState_Unknown)
, mDisabledChanged(false)
, mValueChanged(false)
, mCheckedChanged(false)
, mChecked(false)
, mHandlingSelectEvent(false)
, mShouldInitChecked(false)
, mParserCreating(aFromParser != NOT_FROM_PARSER)
, mInInternalActivate(false)
, mCheckedIsToggled(false)
, mIndeterminate(false)
, mInhibitRestoration(aFromParser & FROM_PARSER_FRAGMENT)
, mCanShowValidUI(true)
, mCanShowInvalidUI(true)
, mHasRange(false)
, mIsDraggingRange(false)
, mNumberControlSpinnerIsSpinning(false)
, mNumberControlSpinnerSpinsUp(false)
, mPickerRunning(false)
, mSelectionCached(true)
{
// We are in a type=text so we now we currenty need a nsTextEditorState.
mInputData.mState = new nsTextEditorState(this);
if (!gUploadLastDir)
HTMLInputElement::InitUploadLastDir();
// Set up our default state. By default we're enabled (since we're
// a control type that can be disabled but not actually disabled
// right now), optional, and valid. We are NOT readwrite by default
// until someone calls UpdateEditableState on us, apparently! Also
// by default we don't have to show validity UI and so forth.
AddStatesSilently(NS_EVENT_STATE_ENABLED |
NS_EVENT_STATE_OPTIONAL |
NS_EVENT_STATE_VALID);
}
HTMLInputElement::~HTMLInputElement()
{
if (mNumberControlSpinnerIsSpinning) {
StopNumberControlSpinnerSpin();
}
DestroyImageLoadingContent();
FreeData();
}
void
HTMLInputElement::FreeData()
{
if (!IsSingleLineTextControl(false)) {
free(mInputData.mValue);
mInputData.mValue = nullptr;
} else {
UnbindFromFrame(nullptr);
delete mInputData.mState;
mInputData.mState = nullptr;
}
}
nsTextEditorState*
HTMLInputElement::GetEditorState() const
{
if (!IsSingleLineTextControl(false)) {
return nullptr;
}
MOZ_ASSERT(mInputData.mState, "Single line text controls need to have a state"
" associated with them");
return mInputData.mState;
}
// nsISupports
NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLInputElement)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(HTMLInputElement,
nsGenericHTMLFormElementWithState)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mValidity)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mControllers)
if (tmp->IsSingleLineTextControl(false)) {
tmp->mInputData.mState->Traverse(cb);
}
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFiles)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFileList)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFilesAndDirectoriesPromise)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(HTMLInputElement,
nsGenericHTMLFormElementWithState)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mValidity)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mControllers)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mFiles)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mFileList)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mFilesAndDirectoriesPromise)
if (tmp->IsSingleLineTextControl(false)) {
tmp->mInputData.mState->Unlink();
}
//XXX should unlink more?
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_ADDREF_INHERITED(HTMLInputElement, Element)
NS_IMPL_RELEASE_INHERITED(HTMLInputElement, Element)
// QueryInterface implementation for HTMLInputElement
NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(HTMLInputElement)
NS_INTERFACE_TABLE_INHERITED(HTMLInputElement,
nsIDOMHTMLInputElement,
nsITextControlElement,
nsIPhonetic,
imgINotificationObserver,
nsIImageLoadingContent,
imgIOnloadBlocker,
nsIDOMNSEditableElement,
nsIConstraintValidation)
NS_INTERFACE_TABLE_TAIL_INHERITING(nsGenericHTMLFormElementWithState)
// nsIConstraintValidation
NS_IMPL_NSICONSTRAINTVALIDATION_EXCEPT_SETCUSTOMVALIDITY(HTMLInputElement)
// nsIDOMNode
nsresult
HTMLInputElement::Clone(mozilla::dom::NodeInfo* aNodeInfo, nsINode** aResult) const
{
*aResult = nullptr;
already_AddRefed<mozilla::dom::NodeInfo> ni = RefPtr<mozilla::dom::NodeInfo>(aNodeInfo).forget();
RefPtr<HTMLInputElement> it = new HTMLInputElement(ni, NOT_FROM_PARSER);
nsresult rv = const_cast<HTMLInputElement*>(this)->CopyInnerTo(it);
NS_ENSURE_SUCCESS(rv, rv);
switch (GetValueMode()) {
case VALUE_MODE_VALUE:
if (mValueChanged) {
// We don't have our default value anymore. Set our value on
// the clone.
nsAutoString value;
GetValueInternal(value);
// SetValueInternal handles setting the VALUE_CHANGED bit for us
rv = it->SetValueInternal(value, nsTextEditorState::eSetValue_Notify);
NS_ENSURE_SUCCESS(rv, rv);
}
break;
case VALUE_MODE_FILENAME:
if (it->OwnerDoc()->IsStaticDocument()) {
// We're going to be used in print preview. Since the doc is static
// we can just grab the pretty string and use it as wallpaper
GetDisplayFileName(it->mStaticDocFileList);
} else {
it->mFiles.Clear();
it->mFiles.AppendElements(mFiles);
}
break;
case VALUE_MODE_DEFAULT_ON:
if (mCheckedChanged) {
// We no longer have our original checked state. Set our
// checked state on the clone.
it->DoSetChecked(mChecked, false, true);
}
break;
case VALUE_MODE_DEFAULT:
if (mType == NS_FORM_INPUT_IMAGE && it->OwnerDoc()->IsStaticDocument()) {
CreateStaticImageClone(it);
}
break;
}
it.forget(aResult);
return NS_OK;
}
nsresult
HTMLInputElement::BeforeSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
nsAttrValueOrString* aValue,
bool aNotify)
{
if (aNameSpaceID == kNameSpaceID_None) {
//
// When name or type changes, radio should be removed from radio group.
// (type changes are handled in the form itself currently)
// If the parser is not done creating the radio, we also should not do it.
//
if ((aName == nsGkAtoms::name ||
(aName == nsGkAtoms::type && !mForm)) &&
mType == NS_FORM_INPUT_RADIO &&
(mForm || !mParserCreating)) {
WillRemoveFromRadioGroup();
} else if (aNotify && aName == nsGkAtoms::src &&
mType == NS_FORM_INPUT_IMAGE) {
if (aValue) {
LoadImage(aValue->String(), true, aNotify, eImageLoadType_Normal);
} else {
// Null value means the attr got unset; drop the image
CancelImageRequests(aNotify);
}
} else if (aNotify && aName == nsGkAtoms::disabled) {
mDisabledChanged = true;
} else if (aName == nsGkAtoms::dir &&
AttrValueIs(kNameSpaceID_None, nsGkAtoms::dir,
nsGkAtoms::_auto, eIgnoreCase)) {
SetDirectionIfAuto(false, aNotify);
} else if (mType == NS_FORM_INPUT_RADIO && aName == nsGkAtoms::required) {
nsCOMPtr<nsIRadioGroupContainer> container = GetRadioGroupContainer();
if (container &&
((aValue && !HasAttr(aNameSpaceID, aName)) ||
(!aValue && HasAttr(aNameSpaceID, aName)))) {
nsAutoString name;
GetAttr(kNameSpaceID_None, nsGkAtoms::name, name);
container->RadioRequiredWillChange(name, !!aValue);
}
}
}
return nsGenericHTMLFormElementWithState::BeforeSetAttr(aNameSpaceID, aName,
aValue, aNotify);
}
nsresult
HTMLInputElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
const nsAttrValue* aValue, bool aNotify)
{
if (aNameSpaceID == kNameSpaceID_None) {
//
// When name or type changes, radio should be added to radio group.
// (type changes are handled in the form itself currently)
// If the parser is not done creating the radio, we also should not do it.
//
if ((aName == nsGkAtoms::name ||
(aName == nsGkAtoms::type && !mForm)) &&
mType == NS_FORM_INPUT_RADIO &&
(mForm || !mParserCreating)) {
AddedToRadioGroup();
UpdateValueMissingValidityStateForRadio(false);
}
// If @value is changed and BF_VALUE_CHANGED is false, @value is the value
// of the element so, if the value of the element is different than @value,
// we have to re-set it. This is only the case when GetValueMode() returns
// VALUE_MODE_VALUE.
if (aName == nsGkAtoms::value &&
!mValueChanged && GetValueMode() == VALUE_MODE_VALUE) {
SetDefaultValueAsValue();
}
//
// Checked must be set no matter what type of control it is, since
// mChecked must reflect the new value
if (aName == nsGkAtoms::checked && !mCheckedChanged) {
// Delay setting checked if the parser is creating this element (wait
// until everything is set)
if (mParserCreating) {
mShouldInitChecked = true;
} else {
DoSetChecked(DefaultChecked(), true, true);
SetCheckedChanged(false);
}
}
if (aName == nsGkAtoms::type) {
if (!aValue) {
// We're now a text input. Note that we have to handle this manually,
// since removing an attribute (which is what happened, since aValue is
// null) doesn't call ParseAttribute.
HandleTypeChange(kInputDefaultType->value);
}
UpdateBarredFromConstraintValidation();
if (mType != NS_FORM_INPUT_IMAGE) {
// We're no longer an image input. Cancel our image requests, if we have
// any. Note that doing this when we already weren't an image is ok --
// just does nothing.
CancelImageRequests(aNotify);
} else if (aNotify) {
// We just got switched to be an image input; we should see
// whether we have an image to load;
nsAutoString src;
if (GetAttr(kNameSpaceID_None, nsGkAtoms::src, src)) {
LoadImage(src, false, aNotify, eImageLoadType_Normal);
}
}
if (mType == NS_FORM_INPUT_PASSWORD && IsInComposedDoc()) {
AsyncEventDispatcher* dispatcher =
new AsyncEventDispatcher(this,
NS_LITERAL_STRING("DOMInputPasswordAdded"),
true,
true);
dispatcher->PostDOMEvent();
}
}
if (aName == nsGkAtoms::required || aName == nsGkAtoms::disabled ||
aName == nsGkAtoms::readonly) {
UpdateValueMissingValidityState();
// This *has* to be called *after* validity has changed.
if (aName == nsGkAtoms::readonly || aName == nsGkAtoms::disabled) {
UpdateBarredFromConstraintValidation();
}
} else if (MaxLengthApplies() && aName == nsGkAtoms::maxlength) {
UpdateTooLongValidityState();
} else if (aName == nsGkAtoms::pattern) {
UpdatePatternMismatchValidityState();
} else if (aName == nsGkAtoms::multiple) {
UpdateTypeMismatchValidityState();
} else if (aName == nsGkAtoms::max) {
UpdateHasRange();
if (mType == NS_FORM_INPUT_RANGE) {
// The value may need to change when @max changes since the value may
// have been invalid and can now change to a valid value, or vice
// versa. For example, consider:
// <input type=range value=-1 max=1 step=3>. The valid range is 0 to 1
// while the nearest valid steps are -1 and 2 (the max value having
// prevented there being a valid step in range). Changing @max to/from
// 1 and a number greater than on equal to 3 should change whether we
// have a step mismatch or not.
// The value may also need to change between a value that results in
// a step mismatch and a value that results in overflow. For example,
// if @max in the example above were to change from 1 to -1.
nsAutoString value;
GetValue(value);
nsresult rv =
SetValueInternal(value, nsTextEditorState::eSetValue_Internal);
NS_ENSURE_SUCCESS(rv, rv);
}
// Validity state must be updated *after* the SetValueInternal call above
// or else the following assert will not be valid.
// We don't assert the state of underflow during parsing since
// DoneCreatingElement sanitizes.
UpdateRangeOverflowValidityState();
MOZ_ASSERT(mParserCreating ||
mType != NS_FORM_INPUT_RANGE ||
!GetValidityState(VALIDITY_STATE_RANGE_UNDERFLOW),
"HTML5 spec does not allow underflow for type=range");
} else if (aName == nsGkAtoms::min) {
UpdateHasRange();
if (mType == NS_FORM_INPUT_RANGE) {
// See @max comment
nsAutoString value;
GetValue(value);
nsresult rv =
SetValueInternal(value, nsTextEditorState::eSetValue_Internal);
NS_ENSURE_SUCCESS(rv, rv);
}
// See corresponding @max comment
UpdateRangeUnderflowValidityState();
UpdateStepMismatchValidityState();
MOZ_ASSERT(mParserCreating ||
mType != NS_FORM_INPUT_RANGE ||
!GetValidityState(VALIDITY_STATE_RANGE_UNDERFLOW),
"HTML5 spec does not allow underflow for type=range");
} else if (aName == nsGkAtoms::step) {
if (mType == NS_FORM_INPUT_RANGE) {
// See @max comment
nsAutoString value;
GetValue(value);
nsresult rv =
SetValueInternal(value, nsTextEditorState::eSetValue_Internal);
NS_ENSURE_SUCCESS(rv, rv);
}
// See corresponding @max comment
UpdateStepMismatchValidityState();
MOZ_ASSERT(mParserCreating ||
mType != NS_FORM_INPUT_RANGE ||
!GetValidityState(VALIDITY_STATE_RANGE_UNDERFLOW),
"HTML5 spec does not allow underflow for type=range");
} else if (aName == nsGkAtoms::dir &&
aValue && aValue->Equals(nsGkAtoms::_auto, eIgnoreCase)) {
SetDirectionIfAuto(true, aNotify);
} else if (aName == nsGkAtoms::lang) {
if (mType == NS_FORM_INPUT_NUMBER) {
// Update the value that is displayed to the user to the new locale:
nsAutoString value;
GetValueInternal(value);
nsNumberControlFrame* numberControlFrame =
do_QueryFrame(GetPrimaryFrame());
if (numberControlFrame) {
numberControlFrame->SetValueOfAnonTextControl(value);
}
}
} else if (aName == nsGkAtoms::autocomplete) {
// Clear the cached @autocomplete attribute state.
mAutocompleteAttrState = nsContentUtils::eAutocompleteAttrState_Unknown;
}
UpdateState(aNotify);
}
return nsGenericHTMLFormElementWithState::AfterSetAttr(aNameSpaceID, aName,
aValue, aNotify);
}
// nsIDOMHTMLInputElement
NS_IMETHODIMP
HTMLInputElement::GetForm(nsIDOMHTMLFormElement** aForm)
{
return nsGenericHTMLFormElementWithState::GetForm(aForm);
}
NS_IMPL_STRING_ATTR(HTMLInputElement, DefaultValue, value)
NS_IMPL_BOOL_ATTR(HTMLInputElement, DefaultChecked, checked)
NS_IMPL_STRING_ATTR(HTMLInputElement, Accept, accept)
NS_IMPL_STRING_ATTR(HTMLInputElement, Align, align)
NS_IMPL_STRING_ATTR(HTMLInputElement, Alt, alt)
NS_IMPL_BOOL_ATTR(HTMLInputElement, Autofocus, autofocus)
//NS_IMPL_BOOL_ATTR(HTMLInputElement, Checked, checked)
NS_IMPL_BOOL_ATTR(HTMLInputElement, Disabled, disabled)
NS_IMPL_STRING_ATTR(HTMLInputElement, Max, max)
NS_IMPL_STRING_ATTR(HTMLInputElement, Min, min)
NS_IMPL_ACTION_ATTR(HTMLInputElement, FormAction, formaction)
NS_IMPL_ENUM_ATTR_DEFAULT_MISSING_INVALID_VALUES(HTMLInputElement, FormEnctype, formenctype,
"", kFormDefaultEnctype->tag)
NS_IMPL_ENUM_ATTR_DEFAULT_MISSING_INVALID_VALUES(HTMLInputElement, FormMethod, formmethod,
"", kFormDefaultMethod->tag)
NS_IMPL_BOOL_ATTR(HTMLInputElement, FormNoValidate, formnovalidate)
NS_IMPL_STRING_ATTR(HTMLInputElement, FormTarget, formtarget)
NS_IMPL_ENUM_ATTR_DEFAULT_VALUE(HTMLInputElement, InputMode, inputmode,
kInputDefaultInputmode->tag)
NS_IMPL_BOOL_ATTR(HTMLInputElement, Multiple, multiple)
NS_IMPL_NON_NEGATIVE_INT_ATTR(HTMLInputElement, MaxLength, maxlength)
NS_IMPL_STRING_ATTR(HTMLInputElement, Name, name)
NS_IMPL_BOOL_ATTR(HTMLInputElement, ReadOnly, readonly)
NS_IMPL_BOOL_ATTR(HTMLInputElement, Required, required)
NS_IMPL_URI_ATTR(HTMLInputElement, Src, src)
NS_IMPL_STRING_ATTR(HTMLInputElement, Step, step)
NS_IMPL_STRING_ATTR(HTMLInputElement, UseMap, usemap)
//NS_IMPL_STRING_ATTR(HTMLInputElement, Value, value)
NS_IMPL_UINT_ATTR_NON_ZERO_DEFAULT_VALUE(HTMLInputElement, Size, size, DEFAULT_COLS)
NS_IMPL_STRING_ATTR(HTMLInputElement, Pattern, pattern)
NS_IMPL_STRING_ATTR(HTMLInputElement, Placeholder, placeholder)
NS_IMPL_ENUM_ATTR_DEFAULT_VALUE(HTMLInputElement, Type, type,
kInputDefaultType->tag)
NS_IMETHODIMP
HTMLInputElement::GetAutocomplete(nsAString& aValue)
{
if (!DoesAutocompleteApply()) {
return NS_OK;
}
aValue.Truncate(0);
const nsAttrValue* attributeVal = GetParsedAttr(nsGkAtoms::autocomplete);
mAutocompleteAttrState =
nsContentUtils::SerializeAutocompleteAttribute(attributeVal, aValue,
mAutocompleteAttrState);
return NS_OK;
}
NS_IMETHODIMP
HTMLInputElement::SetAutocomplete(const nsAString& aValue)
{
return SetAttr(kNameSpaceID_None, nsGkAtoms::autocomplete, nullptr, aValue, true);
}
void
HTMLInputElement::GetAutocompleteInfo(Nullable<AutocompleteInfo>& aInfo)
{
if (!DoesAutocompleteApply()) {
aInfo.SetNull();
return;
}
const nsAttrValue* attributeVal = GetParsedAttr(nsGkAtoms::autocomplete);
mAutocompleteAttrState =
nsContentUtils::SerializeAutocompleteAttribute(attributeVal, aInfo.SetValue(),
mAutocompleteAttrState);
}
int32_t
HTMLInputElement::TabIndexDefault()
{
return 0;
}
uint32_t
HTMLInputElement::Height()
{
if (mType != NS_FORM_INPUT_IMAGE) {
return 0;
}
return GetWidthHeightForImage(mCurrentRequest).height;
}
NS_IMETHODIMP
HTMLInputElement::GetHeight(uint32_t* aHeight)
{
*aHeight = Height();
return NS_OK;
}
NS_IMETHODIMP
HTMLInputElement::SetHeight(uint32_t aHeight)
{
ErrorResult rv;
SetHeight(aHeight, rv);
return rv.StealNSResult();
}
NS_IMETHODIMP
HTMLInputElement::GetIndeterminate(bool* aValue)
{
*aValue = Indeterminate();
return NS_OK;
}
void
HTMLInputElement::SetIndeterminateInternal(bool aValue,
bool aShouldInvalidate)
{
mIndeterminate = aValue;
if (aShouldInvalidate) {
// Repaint the frame
nsIFrame* frame = GetPrimaryFrame();
if (frame)
frame->InvalidateFrameSubtree();
}
UpdateState(true);
}
NS_IMETHODIMP
HTMLInputElement::SetIndeterminate(bool aValue)
{
SetIndeterminateInternal(aValue, true);
return NS_OK;
}
uint32_t
HTMLInputElement::Width()
{
if (mType != NS_FORM_INPUT_IMAGE) {
return 0;
}
return GetWidthHeightForImage(mCurrentRequest).width;
}
NS_IMETHODIMP
HTMLInputElement::GetWidth(uint32_t* aWidth)
{
*aWidth = Width();
return NS_OK;
}
NS_IMETHODIMP
HTMLInputElement::SetWidth(uint32_t aWidth)
{
ErrorResult rv;
SetWidth(aWidth, rv);
return rv.StealNSResult();
}
NS_IMETHODIMP
HTMLInputElement::GetValue(nsAString& aValue)
{
GetValueInternal(aValue);
// Don't return non-sanitized value for types that are experimental on mobile.
if (IsExperimentalMobileType(mType)) {
SanitizeValue(aValue);
}
return NS_OK;
}
nsresult
HTMLInputElement::GetValueInternal(nsAString& aValue) const
{
switch (GetValueMode()) {
case VALUE_MODE_VALUE:
if (IsSingleLineTextControl(false)) {
mInputData.mState->GetValue(aValue, true);
} else {
aValue.Assign(mInputData.mValue);
}
return NS_OK;
case VALUE_MODE_FILENAME:
if (nsContentUtils::LegacyIsCallerChromeOrNativeCode()) {
#ifndef MOZ_CHILD_PERMISSIONS
aValue.Assign(mFirstFilePath);
#else
// XXX We'd love to assert that this can't happen, but some mochitests
// use SpecialPowers to circumvent our more sane security model.
if (!mFiles.IsEmpty()) {
ErrorResult rv;
mFiles[0]->GetMozFullPath(aValue, rv);
if (NS_WARN_IF(rv.Failed())) {
return rv.StealNSResult();
}
return NS_OK;
}
else {
aValue.Truncate();
}
#endif
} else {
// Just return the leaf name
if (mFiles.IsEmpty()) {
aValue.Truncate();
} else {
mFiles[0]->GetName(aValue);
}
}
return NS_OK;
case VALUE_MODE_DEFAULT:
// Treat defaultValue as value.
GetAttr(kNameSpaceID_None, nsGkAtoms::value, aValue);
return NS_OK;
case VALUE_MODE_DEFAULT_ON:
// Treat default value as value and returns "on" if no value.
if (!GetAttr(kNameSpaceID_None, nsGkAtoms::value, aValue)) {
aValue.AssignLiteral("on");
}
return NS_OK;
}
// This return statement is required for some compilers.
return NS_OK;
}
bool
HTMLInputElement::IsValueEmpty() const
{
nsAutoString value;
GetValueInternal(value);
return value.IsEmpty();
}
void
HTMLInputElement::ClearFiles(bool aSetValueChanged)
{
nsTArray<RefPtr<File>> files;
SetFiles(files, aSetValueChanged);
}
/* static */ Decimal
HTMLInputElement::StringToDecimal(const nsAString& aValue)
{
if (!IsASCII(aValue)) {
return Decimal::nan();
}
NS_LossyConvertUTF16toASCII asciiString(aValue);
std::string stdString = asciiString.get();
return Decimal::fromString(stdString);
}
bool
HTMLInputElement::ConvertStringToNumber(nsAString& aValue,
Decimal& aResultValue) const
{
MOZ_ASSERT(DoesValueAsNumberApply(),
"ConvertStringToNumber only applies if .valueAsNumber applies");
switch (mType) {
case NS_FORM_INPUT_NUMBER:
case NS_FORM_INPUT_RANGE:
{
aResultValue = StringToDecimal(aValue);
if (!aResultValue.isFinite()) {
return false;
}
return true;
}
case NS_FORM_INPUT_DATE:
{
uint32_t year, month, day;
if (!GetValueAsDate(aValue, &year, &month, &day)) {
return false;
}
JS::ClippedTime time = JS::TimeClip(JS::MakeDate(year, month - 1, day));
if (!time.isValid()) {
return false;
}
aResultValue = Decimal::fromDouble(time.toDouble());
return true;
}
case NS_FORM_INPUT_TIME:
uint32_t milliseconds;
if (!ParseTime(aValue, &milliseconds)) {
return false;
}
aResultValue = Decimal(int32_t(milliseconds));
return true;
default:
MOZ_ASSERT(false, "Unrecognized input type");
return false;
}
}
Decimal
HTMLInputElement::GetValueAsDecimal() const
{
Decimal decimalValue;
nsAutoString stringValue;
GetValueInternal(stringValue);
return !ConvertStringToNumber(stringValue, decimalValue) ? Decimal::nan()
: decimalValue;
}
void
HTMLInputElement::SetValue(const nsAString& aValue, ErrorResult& aRv)
{
// check security. Note that setting the value to the empty string is always
// OK and gives pages a way to clear a file input if necessary.
if (mType == NS_FORM_INPUT_FILE) {
if (!aValue.IsEmpty()) {
if (!nsContentUtils::IsCallerChrome()) {
// setting the value of a "FILE" input widget requires
// chrome privilege
aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
return;
}
Sequence<nsString> list;
if (!list.AppendElement(aValue, fallible)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
MozSetFileNameArray(list, aRv);
return;
}
else {
ClearFiles(true);
}
}
else {
if (MayFireChangeOnBlur()) {
// If the value has been set by a script, we basically want to keep the
// current change event state. If the element is ready to fire a change
// event, we should keep it that way. Otherwise, we should make sure the
// element will not fire any event because of the script interaction.
//
// NOTE: this is currently quite expensive work (too much string
// manipulation). We should probably optimize that.
nsAutoString currentValue;
GetValue(currentValue);
nsresult rv =
SetValueInternal(aValue, nsTextEditorState::eSetValue_ByContent |
nsTextEditorState::eSetValue_Notify);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
if (mFocusedValue.Equals(currentValue)) {
GetValue(mFocusedValue);
}
} else {
nsresult rv =
SetValueInternal(aValue, nsTextEditorState::eSetValue_ByContent |
nsTextEditorState::eSetValue_Notify);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
}
}
}
NS_IMETHODIMP
HTMLInputElement::SetValue(const nsAString& aValue)
{
ErrorResult rv;
SetValue(aValue, rv);
return rv.StealNSResult();
}
nsGenericHTMLElement*
HTMLInputElement::GetList() const
{
nsAutoString dataListId;
GetAttr(kNameSpaceID_None, nsGkAtoms::list, dataListId);
if (dataListId.IsEmpty()) {
return nullptr;
}
//XXXsmaug How should this all work in case input element is in Shadow DOM.
nsIDocument* doc = GetUncomposedDoc();
if (!doc) {
return nullptr;
}
Element* element = doc->GetElementById(dataListId);
if (!element || !element->IsHTMLElement(nsGkAtoms::datalist)) {
return nullptr;
}
return static_cast<nsGenericHTMLElement*>(element);
}
NS_IMETHODIMP
HTMLInputElement::GetList(nsIDOMHTMLElement** aValue)
{
*aValue = nullptr;
RefPtr<nsGenericHTMLElement> element = GetList();
if (!element) {
return NS_OK;
}
element.forget(aValue);
return NS_OK;
}
void
HTMLInputElement::SetValue(Decimal aValue)
{
MOZ_ASSERT(!aValue.isInfinity(), "aValue must not be Infinity!");
if (aValue.isNaN()) {
SetValue(EmptyString());
return;
}
nsAutoString value;
ConvertNumberToString(aValue, value);
SetValue(value);
}
bool
HTMLInputElement::ConvertNumberToString(Decimal aValue,
nsAString& aResultString) const
{
MOZ_ASSERT(DoesValueAsNumberApply(),
"ConvertNumberToString is only implemented for types implementing .valueAsNumber");
MOZ_ASSERT(aValue.isFinite(),
"aValue must be a valid non-Infinite number.");
aResultString.Truncate();
switch (mType) {
case NS_FORM_INPUT_NUMBER:
case NS_FORM_INPUT_RANGE:
{
char buf[32];
bool ok = aValue.toString(buf, ArrayLength(buf));
aResultString.AssignASCII(buf);
MOZ_ASSERT(ok, "buf not big enough");
return ok;
}
case NS_FORM_INPUT_DATE:
{
// The specs (and our JS APIs) require |aValue| to be truncated.
aValue = aValue.floor();
double year = JS::YearFromTime(aValue.toDouble());
double month = JS::MonthFromTime(aValue.toDouble());
double day = JS::DayFromTime(aValue.toDouble());
if (IsNaN(year) || IsNaN(month) || IsNaN(day)) {
return false;
}
aResultString.AppendPrintf("%04.0f-%02.0f-%02.0f", year,
month + 1, day);
return true;
}
case NS_FORM_INPUT_TIME:
{
// Per spec, we need to truncate |aValue| and we should only represent
// times inside a day [00:00, 24:00[, which means that we should do a
// modulo on |aValue| using the number of milliseconds in a day (86400000).
uint32_t value = NS_floorModulo(aValue.floor(), Decimal(86400000)).toDouble();
uint16_t milliseconds = value % 1000;
value /= 1000;
uint8_t seconds = value % 60;
value /= 60;
uint8_t minutes = value % 60;
value /= 60;
uint8_t hours = value;
if (milliseconds != 0) {
aResultString.AppendPrintf("%02d:%02d:%02d.%03d",
hours, minutes, seconds, milliseconds);
} else if (seconds != 0) {
aResultString.AppendPrintf("%02d:%02d:%02d",
hours, minutes, seconds);
} else {
aResultString.AppendPrintf("%02d:%02d", hours, minutes);
}
return true;
}
default:
MOZ_ASSERT(false, "Unrecognized input type");
return false;
}
}
Nullable<Date>
HTMLInputElement::GetValueAsDate(ErrorResult& aRv)
{
if (mType != NS_FORM_INPUT_DATE && mType != NS_FORM_INPUT_TIME) {
return Nullable<Date>();
}
switch (mType) {
case NS_FORM_INPUT_DATE:
{
uint32_t year, month, day;
nsAutoString value;
GetValueInternal(value);
if (!GetValueAsDate(value, &year, &month, &day)) {
return Nullable<Date>();
}
JS::ClippedTime time = JS::TimeClip(JS::MakeDate(year, month - 1, day));
return Nullable<Date>(Date(time));
}
case NS_FORM_INPUT_TIME:
{
uint32_t millisecond;
nsAutoString value;
GetValueInternal(value);
if (!ParseTime(value, &millisecond)) {
return Nullable<Date>();
}
JS::ClippedTime time = JS::TimeClip(millisecond);
MOZ_ASSERT(time.toDouble() == millisecond,
"HTML times are restricted to the day after the epoch and "
"never clip");
return Nullable<Date>(Date(time));
}
}
MOZ_ASSERT(false, "Unrecognized input type");
aRv.Throw(NS_ERROR_UNEXPECTED);
return Nullable<Date>();
}
void
HTMLInputElement::SetValueAsDate(Nullable<Date> aDate, ErrorResult& aRv)
{
if (mType != NS_FORM_INPUT_DATE && mType != NS_FORM_INPUT_TIME) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return;
}
if (aDate.IsNull() || aDate.Value().IsUndefined()) {
aRv = SetValue(EmptyString());
return;
}
SetValue(Decimal::fromDouble(aDate.Value().TimeStamp().toDouble()));
}
NS_IMETHODIMP
HTMLInputElement::GetValueAsNumber(double* aValueAsNumber)
{
*aValueAsNumber = ValueAsNumber();
return NS_OK;
}
void
HTMLInputElement::SetValueAsNumber(double aValueAsNumber, ErrorResult& aRv)
{
// TODO: return TypeError when HTMLInputElement is converted to WebIDL, see
// bug 825197.
if (IsInfinite(aValueAsNumber)) {
aRv.Throw(NS_ERROR_INVALID_ARG);
return;
}
if (!DoesValueAsNumberApply()) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return;
}
SetValue(Decimal::fromDouble(aValueAsNumber));
}
NS_IMETHODIMP
HTMLInputElement::SetValueAsNumber(double aValueAsNumber)
{
ErrorResult rv;
SetValueAsNumber(aValueAsNumber, rv);
return rv.StealNSResult();
}
Decimal
HTMLInputElement::GetMinimum() const
{
MOZ_ASSERT(DoesValueAsNumberApply(),
"GetMinimum() should only be used for types that allow .valueAsNumber");
// Only type=range has a default minimum
Decimal defaultMinimum =
mType == NS_FORM_INPUT_RANGE ? Decimal(0) : Decimal::nan();
if (!HasAttr(kNameSpaceID_None, nsGkAtoms::min)) {
return defaultMinimum;
}
nsAutoString minStr;
GetAttr(kNameSpaceID_None, nsGkAtoms::min, minStr);
Decimal min;
return ConvertStringToNumber(minStr, min) ? min : defaultMinimum;
}
Decimal
HTMLInputElement::GetMaximum() const
{
MOZ_ASSERT(DoesValueAsNumberApply(),
"GetMaximum() should only be used for types that allow .valueAsNumber");
// Only type=range has a default maximum
Decimal defaultMaximum =
mType == NS_FORM_INPUT_RANGE ? Decimal(100) : Decimal::nan();
if (!HasAttr(kNameSpaceID_None, nsGkAtoms::max)) {
return defaultMaximum;
}
nsAutoString maxStr;
GetAttr(kNameSpaceID_None, nsGkAtoms::max, maxStr);
Decimal max;
return ConvertStringToNumber(maxStr, max) ? max : defaultMaximum;
}
Decimal
HTMLInputElement::GetStepBase() const
{
MOZ_ASSERT(mType == NS_FORM_INPUT_NUMBER ||
mType == NS_FORM_INPUT_DATE ||
mType == NS_FORM_INPUT_TIME ||
mType == NS_FORM_INPUT_RANGE,
"Check that kDefaultStepBase is correct for this new type");
Decimal stepBase;
// Do NOT use GetMinimum here - the spec says to use "the min content
// attribute", not "the minimum".
nsAutoString minStr;
if (GetAttr(kNameSpaceID_None, nsGkAtoms::min, minStr) &&
ConvertStringToNumber(minStr, stepBase)) {
return stepBase;
}
// If @min is not a double, we should use @value.
nsAutoString valueStr;
if (GetAttr(kNameSpaceID_None, nsGkAtoms::value, valueStr) &&
ConvertStringToNumber(valueStr, stepBase)) {
return stepBase;
}
return kDefaultStepBase;
}
nsresult
HTMLInputElement::GetValueIfStepped(int32_t aStep,
StepCallerType aCallerType,
Decimal* aNextStep)
{
if (!DoStepDownStepUpApply()) {
return NS_ERROR_DOM_INVALID_STATE_ERR;
}
Decimal stepBase = GetStepBase();
Decimal step = GetStep();
if (step == kStepAny) {
if (aCallerType != CALLED_FOR_USER_EVENT) {
return NS_ERROR_DOM_INVALID_STATE_ERR;
}
// Allow the spin buttons and up/down arrow keys to do something sensible:
step = GetDefaultStep();
}
Decimal minimum = GetMinimum();
Decimal maximum = GetMaximum();
if (!maximum.isNaN()) {
// "max - (max - stepBase) % step" is the nearest valid value to max.
maximum = maximum - NS_floorModulo(maximum - stepBase, step);
if (!minimum.isNaN()) {
if (minimum > maximum) {
// Either the minimum was greater than the maximum prior to our
// adjustment to align maximum on a step, or else (if we adjusted
// maximum) there is no valid step between minimum and the unadjusted
// maximum.
return NS_OK;
}
}
}
Decimal value = GetValueAsDecimal();
bool valueWasNaN = false;
if (value.isNaN()) {
value = Decimal(0);
valueWasNaN = true;
}
Decimal valueBeforeStepping = value;
Decimal deltaFromStep = NS_floorModulo(value - stepBase, step);
if (deltaFromStep != Decimal(0)) {
if (aStep > 0) {
value += step - deltaFromStep; // partial step
value += step * Decimal(aStep - 1); // then remaining steps
} else if (aStep < 0) {
value -= deltaFromStep; // partial step
value += step * Decimal(aStep + 1); // then remaining steps
}
} else {
value += step * Decimal(aStep);
}
// For date inputs, the value can hold a string that is not a day. We do not
// want to round it, as it might result in a step mismatch. Instead we want to
// clamp to the next valid value.
if (mType == NS_FORM_INPUT_DATE &&
NS_floorModulo(Decimal(value - GetStepBase()), GetStepScaleFactor()) != Decimal(0)) {
MOZ_ASSERT(GetStep() > Decimal(0));
Decimal validStep = EuclidLCM<Decimal>(GetStep().floor(),
GetStepScaleFactor().floor());
if (aStep > 0) {
value -= NS_floorModulo(value - GetStepBase(), validStep);
value += validStep;
} else if (aStep < 0) {
value -= NS_floorModulo(value - GetStepBase(), validStep);
}
}
if (value < minimum) {
value = minimum;
deltaFromStep = NS_floorModulo(value - stepBase, step);
if (deltaFromStep != Decimal(0)) {
value += step - deltaFromStep;
}
}
if (value > maximum) {
value = maximum;
deltaFromStep = NS_floorModulo(value - stepBase, step);
if (deltaFromStep != Decimal(0)) {
value -= deltaFromStep;
}
}
if (!valueWasNaN && // value="", resulting in us using "0"
((aStep > 0 && value < valueBeforeStepping) ||
(aStep < 0 && value > valueBeforeStepping))) {
// We don't want step-up to effectively step down, or step-down to
// effectively step up, so return;
return NS_OK;
}
*aNextStep = value;
return NS_OK;
}
nsresult
HTMLInputElement::ApplyStep(int32_t aStep)
{
Decimal nextStep = Decimal::nan(); // unchanged if value will not change
nsresult rv = GetValueIfStepped(aStep, CALLED_FOR_SCRIPT, &nextStep);
if (NS_SUCCEEDED(rv) && nextStep.isFinite()) {
SetValue(nextStep);
}
return rv;
}
NS_IMETHODIMP
HTMLInputElement::StepDown(int32_t n, uint8_t optional_argc)
{
return ApplyStep(optional_argc ? -n : -1);
}
NS_IMETHODIMP
HTMLInputElement::StepUp(int32_t n, uint8_t optional_argc)
{
return ApplyStep(optional_argc ? n : 1);
}
void
HTMLInputElement::FlushFrames()
{
if (GetComposedDoc()) {
GetComposedDoc()->FlushPendingNotifications(Flush_Frames);
}
}
void
HTMLInputElement::MozGetFileNameArray(nsTArray<nsString>& aArray,
ErrorResult& aRv)
{
for (uint32_t i = 0; i < mFiles.Length(); i++) {
nsString str;
mFiles[i]->GetMozFullPathInternal(str, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
aArray.AppendElement(str);
}
}
NS_IMETHODIMP
HTMLInputElement::MozGetFileNameArray(uint32_t* aLength, char16_t*** aFileNames)
{
if (!nsContentUtils::IsCallerChrome()) {
// Since this function returns full paths it's important that normal pages
// can't call it.
return NS_ERROR_DOM_SECURITY_ERR;
}
ErrorResult rv;
nsTArray<nsString> array;
MozGetFileNameArray(array, rv);
if (NS_WARN_IF(rv.Failed())) {
return rv.StealNSResult();
}
*aLength = array.Length();
char16_t** ret =
static_cast<char16_t**>(moz_xmalloc(*aLength * sizeof(char16_t*)));
if (!ret) {
return NS_ERROR_OUT_OF_MEMORY;
}
for (uint32_t i = 0; i < *aLength; ++i) {
ret[i] = NS_strdup(array[i].get());
}
*aFileNames = ret;
return NS_OK;
}
void
HTMLInputElement::MozSetFileArray(const Sequence<OwningNonNull<File>>& aFiles)
{
nsCOMPtr<nsIGlobalObject> global = OwnerDoc()->GetScopeObject();
MOZ_ASSERT(global);
if (!global) {
return;
}
nsTArray<RefPtr<File>> files;
for (uint32_t i = 0; i < aFiles.Length(); ++i) {
RefPtr<File> file = File::Create(global, aFiles[i].get()->Impl());
MOZ_ASSERT(file);
files.AppendElement(file);
}
SetFiles(files, true);
}
void
HTMLInputElement::MozSetFileNameArray(const Sequence< nsString >& aFileNames, ErrorResult& aRv)
{
if (XRE_IsContentProcess()) {
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return;
}
nsTArray<RefPtr<File>> files;
for (uint32_t i = 0; i < aFileNames.Length(); ++i) {
nsCOMPtr<nsIFile> file;
if (StringBeginsWith(aFileNames[i], NS_LITERAL_STRING("file:"),
nsASCIICaseInsensitiveStringComparator())) {
// Converts the URL string into the corresponding nsIFile if possible
// A local file will be created if the URL string begins with file://
NS_GetFileFromURLSpec(NS_ConvertUTF16toUTF8(aFileNames[i]),
getter_AddRefs(file));
}
if (!file) {
// this is no "file://", try as local file
NS_NewLocalFile(aFileNames[i], false, getter_AddRefs(file));
}
if (file) {
nsCOMPtr<nsIGlobalObject> global = OwnerDoc()->GetScopeObject();
RefPtr<File> domFile = File::CreateFromFile(global, file);
files.AppendElement(domFile);
} else {
continue; // Not much we can do if the file doesn't exist
}
}
SetFiles(files, true);
}
NS_IMETHODIMP
HTMLInputElement::MozSetFileNameArray(const char16_t** aFileNames, uint32_t aLength)
{
if (!nsContentUtils::IsCallerChrome()) {
// setting the value of a "FILE" input widget requires chrome privilege
return NS_ERROR_DOM_SECURITY_ERR;
}
Sequence<nsString> list;
nsString* names = list.AppendElements(aLength, fallible);
if (!names) {
return NS_ERROR_OUT_OF_MEMORY;
}
for (uint32_t i = 0; i < aLength; ++i) {
const char16_t* filename = aFileNames[i];
names[i].Rebind(filename, nsCharTraits<char16_t>::length(filename));
}
ErrorResult rv;
MozSetFileNameArray(list, rv);
return rv.StealNSResult();
}
bool
HTMLInputElement::MozIsTextField(bool aExcludePassword)
{
// TODO: temporary until bug 773205 is fixed.
if (IsExperimentalMobileType(mType)) {
return false;
}
return IsSingleLineTextControl(aExcludePassword);
}
HTMLInputElement*
HTMLInputElement::GetOwnerNumberControl()
{
if (IsInNativeAnonymousSubtree() &&
mType == NS_FORM_INPUT_TEXT &&
GetParent() && GetParent()->GetParent()) {
HTMLInputElement* grandparent =
HTMLInputElement::FromContentOrNull(GetParent()->GetParent());
if (grandparent && grandparent->mType == NS_FORM_INPUT_NUMBER) {
return grandparent;
}
}
return nullptr;
}
NS_IMETHODIMP
HTMLInputElement::MozIsTextField(bool aExcludePassword, bool* aResult)
{
*aResult = MozIsTextField(aExcludePassword);
return NS_OK;
}
NS_IMETHODIMP
HTMLInputElement::SetUserInput(const nsAString& aValue)
{
if (mType == NS_FORM_INPUT_FILE)
{
Sequence<nsString> list;
if (!list.AppendElement(aValue, fallible)) {
return NS_ERROR_OUT_OF_MEMORY;
}
ErrorResult rv;
MozSetFileNameArray(list, rv);
return rv.StealNSResult();
} else {
nsresult rv =
SetValueInternal(aValue, nsTextEditorState::eSetValue_BySetUserInput |
nsTextEditorState::eSetValue_Notify);
NS_ENSURE_SUCCESS(rv, rv);
}
nsContentUtils::DispatchTrustedEvent(OwnerDoc(),
static_cast<nsIDOMHTMLInputElement*>(this),
NS_LITERAL_STRING("input"), true,
true);
// If this element is not currently focused, it won't receive a change event for this
// update through the normal channels. So fire a change event immediately, instead.
if (!ShouldBlur(this)) {
FireChangeEventIfNeeded();
}
return NS_OK;
}
nsIEditor*
HTMLInputElement::GetEditor()
{
nsTextEditorState* state = GetEditorState();
if (state) {
return state->GetEditor();
}
return nullptr;
}
NS_IMETHODIMP_(nsIEditor*)
HTMLInputElement::GetTextEditor()
{
return GetEditor();
}
NS_IMETHODIMP_(nsISelectionController*)
HTMLInputElement::GetSelectionController()
{
nsTextEditorState* state = GetEditorState();
if (state) {
return state->GetSelectionController();
}
return nullptr;
}
nsFrameSelection*
HTMLInputElement::GetConstFrameSelection()
{
nsTextEditorState* state = GetEditorState();
if (state) {
return state->GetConstFrameSelection();
}
return nullptr;
}
NS_IMETHODIMP
HTMLInputElement::BindToFrame(nsTextControlFrame* aFrame)
{
nsTextEditorState* state = GetEditorState();
if (state) {
return state->BindToFrame(aFrame);
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP_(void)
HTMLInputElement::UnbindFromFrame(nsTextControlFrame* aFrame)
{
nsTextEditorState* state = GetEditorState();
if (state && aFrame) {
state->UnbindFromFrame(aFrame);
}
}
NS_IMETHODIMP
HTMLInputElement::CreateEditor()
{
nsTextEditorState* state = GetEditorState();
if (state) {
return state->PrepareEditor();
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP_(nsIContent*)
HTMLInputElement::GetRootEditorNode()
{
nsTextEditorState* state = GetEditorState();
if (state) {
return state->GetRootNode();
}
return nullptr;
}
NS_IMETHODIMP_(Element*)
HTMLInputElement::CreatePlaceholderNode()
{
nsTextEditorState* state = GetEditorState();
if (state) {
NS_ENSURE_SUCCESS(state->CreatePlaceholderNode(), nullptr);
return state->GetPlaceholderNode();
}
return nullptr;
}
NS_IMETHODIMP_(Element*)
HTMLInputElement::GetPlaceholderNode()
{
nsTextEditorState* state = GetEditorState();
if (state) {
return state->GetPlaceholderNode();
}
return nullptr;
}
NS_IMETHODIMP_(void)
HTMLInputElement::UpdatePlaceholderVisibility(bool aNotify)
{
nsTextEditorState* state = GetEditorState();
if (state) {
state->UpdatePlaceholderVisibility(aNotify);
}
}
NS_IMETHODIMP_(bool)
HTMLInputElement::GetPlaceholderVisibility()
{
nsTextEditorState* state = GetEditorState();
if (!state) {
return false;
}
return state->GetPlaceholderVisibility();
}
void
HTMLInputElement::GetDisplayFileName(nsAString& aValue) const
{
if (OwnerDoc()->IsStaticDocument()) {
aValue = mStaticDocFileList;
return;
}
if (mFiles.Length() == 1) {
mFiles[0]->GetName(aValue);
return;
}
nsXPIDLString value;
if (mFiles.IsEmpty()) {
if (HasAttr(kNameSpaceID_None, nsGkAtoms::multiple)) {
nsContentUtils::GetLocalizedString(nsContentUtils::eFORMS_PROPERTIES,
"NoFilesSelected", value);
} else {
nsContentUtils::GetLocalizedString(nsContentUtils::eFORMS_PROPERTIES,
"NoFileSelected", value);
}
} else {
nsString count;
count.AppendInt(int(mFiles.Length()));
const char16_t* params[] = { count.get() };
nsContentUtils::FormatLocalizedString(nsContentUtils::eFORMS_PROPERTIES,
"XFilesSelected", params, value);
}
aValue = value;
}
void
HTMLInputElement::SetFiles(const nsTArray<RefPtr<File>>& aFiles,
bool aSetValueChanged)
{
mFiles.Clear();
mFiles.AppendElements(aFiles);
AfterSetFiles(aSetValueChanged);
}
void
HTMLInputElement::SetFiles(nsIDOMFileList* aFiles,
bool aSetValueChanged)
{
RefPtr<FileList> files = static_cast<FileList*>(aFiles);
mFiles.Clear();
if (aFiles) {
uint32_t listLength;
aFiles->GetLength(&listLength);
for (uint32_t i = 0; i < listLength; i++) {
RefPtr<File> file = files->Item(i);
mFiles.AppendElement(file);
}
}
AfterSetFiles(aSetValueChanged);
}
void
HTMLInputElement::AfterSetFiles(bool aSetValueChanged)
{
// No need to flush here, if there's no frame at this point we
// don't need to force creation of one just to tell it about this
// new value. We just want the display to update as needed.
nsIFormControlFrame* formControlFrame = GetFormControlFrame(false);
if (formControlFrame) {
nsAutoString readableValue;
GetDisplayFileName(readableValue);
formControlFrame->SetFormProperty(nsGkAtoms::value, readableValue);
}
#ifndef MOZ_CHILD_PERMISSIONS
// Grab the full path here for any chrome callers who access our .value via a
// CPOW. This path won't be called from a CPOW meaning the potential sync IPC
// call under GetMozFullPath won't be rejected for not being urgent.
// XXX Protected by the ifndef because the blob code doesn't allow us to send
// this message in b2g.
if (mFiles.IsEmpty()) {
mFirstFilePath.Truncate();
} else {
ErrorResult rv;
mFiles[0]->GetMozFullPath(mFirstFilePath, rv);
if (NS_WARN_IF(rv.Failed())) {
rv.SuppressException();
}
}
#endif
UpdateFileList();
if (aSetValueChanged) {
SetValueChanged(true);
}
UpdateAllValidityStates(true);
}
void
HTMLInputElement::FireChangeEventIfNeeded()
{
nsAutoString value;
GetValue(value);
if (!MayFireChangeOnBlur() || mFocusedValue.Equals(value)) {
return;
}
// Dispatch the change event.
mFocusedValue = value;
nsContentUtils::DispatchTrustedEvent(OwnerDoc(),
static_cast<nsIContent*>(this),
NS_LITERAL_STRING("change"), true,
false);
}
FileList*
HTMLInputElement::GetFiles()
{
if (mType != NS_FORM_INPUT_FILE) {
return nullptr;
}
if (Preferences::GetBool("dom.input.dirpicker", false) &&
HasAttr(kNameSpaceID_None, nsGkAtoms::directory)) {
return nullptr;
}
if (!mFileList) {
mFileList = new FileList(static_cast<nsIContent*>(this));
UpdateFileList();
}
return mFileList;
}
/* static */ void
HTMLInputElement::HandleNumberControlSpin(void* aData)
{
HTMLInputElement* input = static_cast<HTMLInputElement*>(aData);
NS_ASSERTION(input->mNumberControlSpinnerIsSpinning,
"Should have called nsRepeatService::Stop()");
nsNumberControlFrame* numberControlFrame =
do_QueryFrame(input->GetPrimaryFrame());
if (input->mType != NS_FORM_INPUT_NUMBER || !numberControlFrame) {
// Type has changed (and possibly our frame type hasn't been updated yet)
// or else we've lost our frame. Either way, stop the timer and don't do
// anything else.
input->StopNumberControlSpinnerSpin();
} else {
input->StepNumberControlForUserEvent(input->mNumberControlSpinnerSpinsUp ? 1 : -1);
}
}
nsresult
HTMLInputElement::UpdateFileList()
{
if (mFileList) {
mFileList->Clear();
const nsTArray<RefPtr<File>>& files = GetFilesInternal();
for (uint32_t i = 0; i < files.Length(); ++i) {
if (!mFileList->Append(files[i])) {
return NS_ERROR_FAILURE;
}
}
}
// Make sure we (lazily) create a new Promise for GetFilesAndDirectories:
mFilesAndDirectoriesPromise = nullptr;
return NS_OK;
}
nsresult
HTMLInputElement::SetValueInternal(const nsAString& aValue, uint32_t aFlags)
{
NS_PRECONDITION(GetValueMode() != VALUE_MODE_FILENAME,
"Don't call SetValueInternal for file inputs");
switch (GetValueMode()) {
case VALUE_MODE_VALUE:
{
// At the moment, only single line text control have to sanitize their value
// Because we have to create a new string for that, we should prevent doing
// it if it's useless.
nsAutoString value(aValue);
if (!mParserCreating) {
SanitizeValue(value);
}
// else DoneCreatingElement calls us again once mParserCreating is false
bool setValueChanged = !!(aFlags & nsTextEditorState::eSetValue_Notify);
if (setValueChanged) {
SetValueChanged(true);
}
if (IsSingleLineTextControl(false)) {
if (!mInputData.mState->SetValue(value, aFlags)) {
return NS_ERROR_OUT_OF_MEMORY;
}
if (mType == NS_FORM_INPUT_EMAIL) {
UpdateAllValidityStates(mParserCreating);
}
} else {
free(mInputData.mValue);
mInputData.mValue = ToNewUnicode(value);
if (setValueChanged) {
SetValueChanged(true);
}
if (mType == NS_FORM_INPUT_NUMBER) {
// This has to happen before OnValueChanged is called because that
// method needs the new value of our frame's anon text control.
nsNumberControlFrame* numberControlFrame =
do_QueryFrame(GetPrimaryFrame());
if (numberControlFrame) {
numberControlFrame->SetValueOfAnonTextControl(value);
}
} else if (mType == NS_FORM_INPUT_RANGE) {
nsRangeFrame* frame = do_QueryFrame(GetPrimaryFrame());
if (frame) {
frame->UpdateForValueChange();
}
}
if (!mParserCreating) {
OnValueChanged(true);
}
// else DoneCreatingElement calls us again once mParserCreating is false
}
if (mType == NS_FORM_INPUT_COLOR) {
// Update color frame, to reflect color changes
nsColorControlFrame* colorControlFrame = do_QueryFrame(GetPrimaryFrame());
if (colorControlFrame) {
colorControlFrame->UpdateColor();
}
}
return NS_OK;
}
case VALUE_MODE_DEFAULT:
case VALUE_MODE_DEFAULT_ON:
// If the value of a hidden input was changed, we mark it changed so that we
// will know we need to save / restore the value. Yes, we are overloading
// the meaning of ValueChanged just a teensy bit to save a measly byte of
// storage space in HTMLInputElement. Yes, you are free to make a new flag,
// NEED_TO_SAVE_VALUE, at such time as mBitField becomes a 16-bit value.
if (mType == NS_FORM_INPUT_HIDDEN) {
SetValueChanged(true);
}
// Treat value == defaultValue for other input elements.
return nsGenericHTMLFormElementWithState::SetAttr(kNameSpaceID_None,
nsGkAtoms::value, aValue,
true);
case VALUE_MODE_FILENAME:
return NS_ERROR_UNEXPECTED;
}
// This return statement is required for some compilers.
return NS_OK;
}
NS_IMETHODIMP
HTMLInputElement::SetValueChanged(bool aValueChanged)
{
bool valueChangedBefore = mValueChanged;
mValueChanged = aValueChanged;
if (valueChangedBefore != aValueChanged) {
UpdateState(true);
}
return NS_OK;
}
NS_IMETHODIMP
HTMLInputElement::GetChecked(bool* aChecked)
{
*aChecked = Checked();
return NS_OK;
}
void
HTMLInputElement::SetCheckedChanged(bool aCheckedChanged)
{
DoSetCheckedChanged(aCheckedChanged, true);
}
void
HTMLInputElement::DoSetCheckedChanged(bool aCheckedChanged,
bool aNotify)
{
if (mType == NS_FORM_INPUT_RADIO) {
if (mCheckedChanged != aCheckedChanged) {
nsCOMPtr<nsIRadioVisitor> visitor =
new nsRadioSetCheckedChangedVisitor(aCheckedChanged);
VisitGroup(visitor, aNotify);
}
} else {
SetCheckedChangedInternal(aCheckedChanged);
}
}
void
HTMLInputElement::SetCheckedChangedInternal(bool aCheckedChanged)
{
bool checkedChangedBefore = mCheckedChanged;
mCheckedChanged = aCheckedChanged;
// This method can't be called when we are not authorized to notify
// so we do not need a aNotify parameter.
if (checkedChangedBefore != aCheckedChanged) {
UpdateState(true);
}
}
NS_IMETHODIMP
HTMLInputElement::SetChecked(bool aChecked)
{
DoSetChecked(aChecked, true, true);
return NS_OK;
}
void
HTMLInputElement::DoSetChecked(bool aChecked, bool aNotify,
bool aSetValueChanged)
{
// If the user or JS attempts to set checked, whether it actually changes the
// value or not, we say the value was changed so that defaultValue don't
// affect it no more.
if (aSetValueChanged) {
DoSetCheckedChanged(true, aNotify);
}
// Don't do anything if we're not changing whether it's checked (it would
// screw up state actually, especially when you are setting radio button to
// false)
if (mChecked == aChecked) {
return;
}
// Set checked
if (mType != NS_FORM_INPUT_RADIO) {
SetCheckedInternal(aChecked, aNotify);
return;
}
// For radio button, we need to do some extra fun stuff
if (aChecked) {
RadioSetChecked(aNotify);
return;
}
nsIRadioGroupContainer* container = GetRadioGroupContainer();
if (container) {
nsAutoString name;
GetAttr(kNameSpaceID_None, nsGkAtoms::name, name);
container->SetCurrentRadioButton(name, nullptr);
}
// SetCheckedInternal is going to ask all radios to update their
// validity state. We have to be sure the radio group container knows
// the currently selected radio.
SetCheckedInternal(false, aNotify);
}
void
HTMLInputElement::RadioSetChecked(bool aNotify)
{
// Find the selected radio button so we can deselect it
nsCOMPtr<nsIDOMHTMLInputElement> currentlySelected = GetSelectedRadioButton();
// Deselect the currently selected radio button
if (currentlySelected) {
// Pass true for the aNotify parameter since the currently selected
// button is already in the document.
static_cast<HTMLInputElement*>(currentlySelected.get())
->SetCheckedInternal(false, true);
}
// Let the group know that we are now the One True Radio Button
nsIRadioGroupContainer* container = GetRadioGroupContainer();
if (container) {
nsAutoString name;
GetAttr(kNameSpaceID_None, nsGkAtoms::name, name);
container->SetCurrentRadioButton(name, this);
}
// SetCheckedInternal is going to ask all radios to update their
// validity state.
SetCheckedInternal(true, aNotify);
}
nsIRadioGroupContainer*
HTMLInputElement::GetRadioGroupContainer() const
{
NS_ASSERTION(mType == NS_FORM_INPUT_RADIO,
"GetRadioGroupContainer should only be called when type='radio'");
nsAutoString name;
GetAttr(kNameSpaceID_None, nsGkAtoms::name, name);
if (name.IsEmpty()) {
return nullptr;
}
if (mForm) {
return mForm;
}
//XXXsmaug It isn't clear how this should work in Shadow DOM.
return static_cast<nsDocument*>(GetUncomposedDoc());
}
already_AddRefed<nsIDOMHTMLInputElement>
HTMLInputElement::GetSelectedRadioButton()
{
nsIRadioGroupContainer* container = GetRadioGroupContainer();
if (!container) {
return nullptr;
}
nsAutoString name;
GetAttr(kNameSpaceID_None, nsGkAtoms::name, name);
nsCOMPtr<nsIDOMHTMLInputElement> selected = container->GetCurrentRadioButton(name);
return selected.forget();
}
nsresult
HTMLInputElement::MaybeSubmitForm(nsPresContext* aPresContext)
{
if (!mForm) {
// Nothing to do here.
return NS_OK;
}
nsCOMPtr<nsIPresShell> shell = aPresContext->GetPresShell();
if (!shell) {
return NS_OK;
}
// Get the default submit element
nsIFormControl* submitControl = mForm->GetDefaultSubmitElement();
if (submitControl) {
nsCOMPtr<nsIContent> submitContent = do_QueryInterface(submitControl);
NS_ASSERTION(submitContent, "Form control not implementing nsIContent?!");
// Fire the button's onclick handler and let the button handle
// submitting the form.
WidgetMouseEvent event(true, eMouseClick, nullptr, WidgetMouseEvent::eReal);
nsEventStatus status = nsEventStatus_eIgnore;
shell->HandleDOMEventWithTarget(submitContent, &event, &status);
} else if (!mForm->ImplicitSubmissionIsDisabled() &&
(mForm->HasAttr(kNameSpaceID_None, nsGkAtoms::novalidate) ||
mForm->CheckValidFormSubmission())) {
// TODO: removing this code and have the submit event sent by the form,
// bug 592124.
// If there's only one text control, just submit the form
// Hold strong ref across the event
RefPtr<mozilla::dom::HTMLFormElement> form = mForm;
InternalFormEvent event(true, eFormSubmit);
nsEventStatus status = nsEventStatus_eIgnore;
shell->HandleDOMEventWithTarget(mForm, &event, &status);
}
return NS_OK;
}
void
HTMLInputElement::SetCheckedInternal(bool aChecked, bool aNotify)
{
// Set the value
mChecked = aChecked;
// Notify the frame
if (mType == NS_FORM_INPUT_CHECKBOX || mType == NS_FORM_INPUT_RADIO) {
nsIFrame* frame = GetPrimaryFrame();
if (frame) {
frame->InvalidateFrameSubtree();
}
}
UpdateAllValidityStates(aNotify);
// Notify the document that the CSS :checked pseudoclass for this element
// has changed state.
UpdateState(aNotify);
}
void
HTMLInputElement::Blur(ErrorResult& aError)
{
if (mType == NS_FORM_INPUT_NUMBER) {
// Blur our anonymous text control, if we have one. (DOM 'change' event
// firing and other things depend on this.)
nsNumberControlFrame* numberControlFrame =
do_QueryFrame(GetPrimaryFrame());
if (numberControlFrame) {
HTMLInputElement* textControl = numberControlFrame->GetAnonTextControl();
if (textControl) {
textControl->Blur(aError);
return;
}
}
}
nsGenericHTMLElement::Blur(aError);
}
void
HTMLInputElement::Focus(ErrorResult& aError)
{
if (mType == NS_FORM_INPUT_NUMBER) {
// Focus our anonymous text control, if we have one.
nsNumberControlFrame* numberControlFrame =
do_QueryFrame(GetPrimaryFrame());
if (numberControlFrame) {
HTMLInputElement* textControl = numberControlFrame->GetAnonTextControl();
if (textControl) {
textControl->Focus(aError);
return;
}
}
}
if (mType != NS_FORM_INPUT_FILE) {
nsGenericHTMLElement::Focus(aError);
return;
}
// For file inputs, focus the first button instead. In the case of there
// being two buttons (when the picker is a directory picker) the user can
// tab to the next one.
nsIFrame* frame = GetPrimaryFrame();
if (frame) {
for (nsIFrame* childFrame : frame->PrincipalChildList()) {
// See if the child is a button control.
nsCOMPtr<nsIFormControl> formCtrl =
do_QueryInterface(childFrame->GetContent());
if (formCtrl && formCtrl->GetType() == NS_FORM_BUTTON_BUTTON) {
nsCOMPtr<nsIDOMElement> element = do_QueryInterface(formCtrl);
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
if (fm && element) {
fm->SetFocus(element, 0);
}
break;
}
}
}
return;
}
bool
HTMLInputElement::IsInteractiveHTMLContent(bool aIgnoreTabindex) const
{
return mType != NS_FORM_INPUT_HIDDEN ||
nsGenericHTMLFormElementWithState::IsInteractiveHTMLContent(aIgnoreTabindex);
}
NS_IMETHODIMP
HTMLInputElement::Select()
{
if (mType == NS_FORM_INPUT_NUMBER) {
nsNumberControlFrame* numberControlFrame =
do_QueryFrame(GetPrimaryFrame());
if (numberControlFrame) {
return numberControlFrame->HandleSelectCall();
}
return NS_OK;
}
if (!IsSingleLineTextControl(false)) {
return NS_OK;
}
// XXX Bug? We have to give the input focus before contents can be
// selected
FocusTristate state = FocusState();
if (state == eUnfocusable) {
return NS_OK;
}
nsTextEditorState* tes = GetEditorState();
if (tes) {
nsFrameSelection* fs = tes->GetConstFrameSelection();
if (fs && fs->MouseDownRecorded()) {
// This means that we're being called while the frame selection has a mouse
// down event recorded to adjust the caret during the mouse up event.
// We are probably called from the focus event handler. We should override
// the delayed caret data in this case to ensure that this select() call
// takes effect.
fs->SetDelayedCaretData(nullptr);
}
}
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
RefPtr<nsPresContext> presContext = GetPresContext(eForComposedDoc);
if (state == eInactiveWindow) {
if (fm)
fm->SetFocus(this, nsIFocusManager::FLAG_NOSCROLL);
SelectAll(presContext);
return NS_OK;
}
if (DispatchSelectEvent(presContext) && fm) {
fm->SetFocus(this, nsIFocusManager::FLAG_NOSCROLL);
// ensure that the element is actually focused
nsCOMPtr<nsIDOMElement> focusedElement;
fm->GetFocusedElement(getter_AddRefs(focusedElement));
if (SameCOMIdentity(static_cast<nsIDOMNode*>(this), focusedElement)) {
// Now Select all the text!
SelectAll(presContext);
}
}
return NS_OK;
}
bool
HTMLInputElement::DispatchSelectEvent(nsPresContext* aPresContext)
{
nsEventStatus status = nsEventStatus_eIgnore;
// If already handling select event, don't dispatch a second.
if (!mHandlingSelectEvent) {
WidgetEvent event(nsContentUtils::LegacyIsCallerChromeOrNativeCode(), eFormSelect);
mHandlingSelectEvent = true;
EventDispatcher::Dispatch(static_cast<nsIContent*>(this),
aPresContext, &event, nullptr, &status);
mHandlingSelectEvent = false;
}
// If the DOM event was not canceled (e.g. by a JS event handler
// returning false)
return (status == nsEventStatus_eIgnore);
}
void
HTMLInputElement::SelectAll(nsPresContext* aPresContext)
{
nsIFormControlFrame* formControlFrame = GetFormControlFrame(true);
if (formControlFrame) {
formControlFrame->SetFormProperty(nsGkAtoms::select, EmptyString());
}
}
bool
HTMLInputElement::NeedToInitializeEditorForEvent(
EventChainPreVisitor& aVisitor) const
{
// We only need to initialize the editor for single line input controls because they
// are lazily initialized. We don't need to initialize the control for
// certain types of events, because we know that those events are safe to be
// handled without the editor being initialized. These events include:
// mousein/move/out, overflow/underflow, and DOM mutation events.
if (!IsSingleLineTextControl(false) ||
aVisitor.mEvent->mClass == eMutationEventClass) {
return false;
}
switch (aVisitor.mEvent->mMessage) {
case eMouseMove:
case eMouseEnterIntoWidget:
case eMouseExitFromWidget:
case eMouseOver:
case eMouseOut:
case eScrollPortUnderflow:
case eScrollPortOverflow:
return false;
default:
return true;
}
}
bool
HTMLInputElement::IsDisabledForEvents(EventMessage aMessage)
{
return IsElementDisabledForEvents(aMessage, GetPrimaryFrame());
}
nsresult
HTMLInputElement::PreHandleEvent(EventChainPreVisitor& aVisitor)
{
// Do not process any DOM events if the element is disabled
aVisitor.mCanHandle = false;
if (IsDisabledForEvents(aVisitor.mEvent->mMessage)) {
return NS_OK;
}
// Initialize the editor if needed.
if (NeedToInitializeEditorForEvent(aVisitor)) {
nsITextControlFrame* textControlFrame = do_QueryFrame(GetPrimaryFrame());
if (textControlFrame)
textControlFrame->EnsureEditorInitialized();
}
//FIXME Allow submission etc. also when there is no prescontext, Bug 329509.
if (!aVisitor.mPresContext) {
return nsGenericHTMLElement::PreHandleEvent(aVisitor);
}
//
// Web pages expect the value of a radio button or checkbox to be set
// *before* onclick and DOMActivate fire, and they expect that if they set
// the value explicitly during onclick or DOMActivate it will not be toggled
// or any such nonsense.
// In order to support that (bug 57137 and 58460 are examples) we toggle
// the checked attribute *first*, and then fire onclick. If the user
// returns false, we reset the control to the old checked value. Otherwise,
// we dispatch DOMActivate. If DOMActivate is cancelled, we also reset
// the control to the old checked value. We need to keep track of whether
// we've already toggled the state from onclick since the user could
// explicitly dispatch DOMActivate on the element.
//
// This is a compatibility hack.
//
// Track whether we're in the outermost Dispatch invocation that will
// cause activation of the input. That is, if we're a click event, or a
// DOMActivate that was dispatched directly, this will be set, but if we're
// a DOMActivate dispatched from click handling, it will not be set.
WidgetMouseEvent* mouseEvent = aVisitor.mEvent->AsMouseEvent();
bool outerActivateEvent =
((mouseEvent && mouseEvent->IsLeftClickEvent()) ||
(aVisitor.mEvent->mMessage == eLegacyDOMActivate && !mInInternalActivate));
if (outerActivateEvent) {
aVisitor.mItemFlags |= NS_OUTER_ACTIVATE_EVENT;
}
bool originalCheckedValue = false;
if (outerActivateEvent) {
mCheckedIsToggled = false;
switch(mType) {
case NS_FORM_INPUT_CHECKBOX:
{
if (mIndeterminate) {
// indeterminate is always set to FALSE when the checkbox is toggled
SetIndeterminateInternal(false, false);
aVisitor.mItemFlags |= NS_ORIGINAL_INDETERMINATE_VALUE;
}
GetChecked(&originalCheckedValue);
DoSetChecked(!originalCheckedValue, true, true);
mCheckedIsToggled = true;
}
break;
case NS_FORM_INPUT_RADIO:
{
nsCOMPtr<nsIDOMHTMLInputElement> selectedRadioButton = GetSelectedRadioButton();
aVisitor.mItemData = selectedRadioButton;
originalCheckedValue = mChecked;
if (!originalCheckedValue) {
DoSetChecked(true, true, true);
mCheckedIsToggled = true;
}
}
break;
case NS_FORM_INPUT_SUBMIT:
case NS_FORM_INPUT_IMAGE:
if (mForm) {
// tell the form that we are about to enter a click handler.
// that means that if there are scripted submissions, the
// latest one will be deferred until after the exit point of the handler.
mForm->OnSubmitClickBegin(this);
}
break;
default:
break;
}
}
if (originalCheckedValue) {
aVisitor.mItemFlags |= NS_ORIGINAL_CHECKED_VALUE;
}
// If mNoContentDispatch is true we will not allow content to handle
// this event. But to allow middle mouse button paste to work we must allow
// middle clicks to go to text fields anyway.
if (aVisitor.mEvent->mFlags.mNoContentDispatch) {
aVisitor.mItemFlags |= NS_NO_CONTENT_DISPATCH;
}
if (IsSingleLineTextControl(false) &&
aVisitor.mEvent->mMessage == eMouseClick &&
aVisitor.mEvent->AsMouseEvent()->button ==
WidgetMouseEvent::eMiddleButton) {
aVisitor.mEvent->mFlags.mNoContentDispatch = false;
}
// We must cache type because mType may change during JS event (bug 2369)
aVisitor.mItemFlags |= mType;
// Fire onchange (if necessary), before we do the blur, bug 357684.
if (aVisitor.mEvent->mMessage == eBlur) {
// Experimental mobile types rely on the system UI to prevent users to not
// set invalid values but we have to be extra-careful. Especially if the
// option has been enabled on desktop.
if (IsExperimentalMobileType(mType)) {
nsAutoString aValue;
GetValueInternal(aValue);
nsresult rv =
SetValueInternal(aValue, nsTextEditorState::eSetValue_Internal);
NS_ENSURE_SUCCESS(rv, rv);
}
FireChangeEventIfNeeded();
}
if (mType == NS_FORM_INPUT_RANGE &&
(aVisitor.mEvent->mMessage == eFocus ||
aVisitor.mEvent->mMessage == eBlur)) {
// Just as nsGenericHTMLFormElementWithState::PreHandleEvent calls
// nsIFormControlFrame::SetFocus, we handle focus here.
nsIFrame* frame = GetPrimaryFrame();
if (frame) {
frame->InvalidateFrameSubtree();
}
}
if (mType == NS_FORM_INPUT_NUMBER &&
aVisitor.mEvent->mFlags.mIsTrusted) {
if (mNumberControlSpinnerIsSpinning) {
// If the timer is running the user has depressed the mouse on one of the
// spin buttons. If the mouse exits the button we either want to reverse
// the direction of spin if it has moved over the other button, or else
// we want to end the spin. We do this here (rather than in
// PostHandleEvent) because we don't want to let content preventDefault()
// the end of the spin.
if (aVisitor.mEvent->mMessage == eMouseMove) {
// Be aggressive about stopping the spin:
bool stopSpin = true;
nsNumberControlFrame* numberControlFrame =
do_QueryFrame(GetPrimaryFrame());
if (numberControlFrame) {
bool oldNumberControlSpinTimerSpinsUpValue =
mNumberControlSpinnerSpinsUp;
switch (numberControlFrame->GetSpinButtonForPointerEvent(
aVisitor.mEvent->AsMouseEvent())) {
case nsNumberControlFrame::eSpinButtonUp:
mNumberControlSpinnerSpinsUp = true;
stopSpin = false;
break;
case nsNumberControlFrame::eSpinButtonDown:
mNumberControlSpinnerSpinsUp = false;
stopSpin = false;
break;
}
if (mNumberControlSpinnerSpinsUp !=
oldNumberControlSpinTimerSpinsUpValue) {
nsNumberControlFrame* numberControlFrame =
do_QueryFrame(GetPrimaryFrame());
if (numberControlFrame) {
numberControlFrame->SpinnerStateChanged();
}
}
}
if (stopSpin) {
StopNumberControlSpinnerSpin();
}
} else if (aVisitor.mEvent->mMessage == eMouseUp) {
StopNumberControlSpinnerSpin();
}
}
if (aVisitor.mEvent->mMessage == eFocus ||
aVisitor.mEvent->mMessage == eBlur) {
if (aVisitor.mEvent->mMessage == eFocus) {
// Tell our frame it's getting focus so that it can make sure focus
// is moved to our anonymous text control.
nsNumberControlFrame* numberControlFrame =
do_QueryFrame(GetPrimaryFrame());
if (numberControlFrame) {
// This could kill the frame!
numberControlFrame->HandleFocusEvent(aVisitor.mEvent);
}
}
nsIFrame* frame = GetPrimaryFrame();
if (frame && frame->IsThemed()) {
// Our frame's nested <input type=text> will be invalidated when it
// loses focus, but since we are also native themed we need to make
// sure that our entire area is repainted since any focus highlight
// from the theme should be removed from us (the repainting of the
// sub-area occupied by the anon text control is not enough to do
// that).
frame->InvalidateFrame();
}
} else if (aVisitor.mEvent->mMessage == eKeyUp) {
WidgetKeyboardEvent* keyEvent = aVisitor.mEvent->AsKeyboardEvent();
if ((keyEvent->keyCode == NS_VK_UP || keyEvent->keyCode == NS_VK_DOWN) &&
!(keyEvent->IsShift() || keyEvent->IsControl() ||
keyEvent->IsAlt() || keyEvent->IsMeta() ||
keyEvent->IsAltGraph() || keyEvent->IsFn() ||
keyEvent->IsOS())) {
// The up/down arrow key events fire 'change' events when released
// so that at the end of a series of up/down arrow key repeat events
// the value is considered to be "commited" by the user.
FireChangeEventIfNeeded();
}
}
}
nsresult rv = nsGenericHTMLFormElementWithState::PreHandleEvent(aVisitor);
// We do this after calling the base class' PreHandleEvent so that
// nsIContent::PreHandleEvent doesn't reset any change we make to mCanHandle.
if (mType == NS_FORM_INPUT_NUMBER &&
aVisitor.mEvent->mFlags.mIsTrusted &&
aVisitor.mEvent->originalTarget != this) {
// <input type=number> has an anonymous <input type=text> descendant. If
// 'input' or 'change' events are fired at that text control then we need
// to do some special handling here.
HTMLInputElement* textControl = nullptr;
nsNumberControlFrame* numberControlFrame =
do_QueryFrame(GetPrimaryFrame());
if (numberControlFrame) {
textControl = numberControlFrame->GetAnonTextControl();
}
if (textControl && aVisitor.mEvent->originalTarget == textControl) {
if (aVisitor.mEvent->mMessage == eEditorInput) {
// Propogate the anon text control's new value to our HTMLInputElement:
nsAutoString value;
numberControlFrame->GetValueOfAnonTextControl(value);
numberControlFrame->HandlingInputEvent(true);
nsWeakFrame weakNumberControlFrame(numberControlFrame);
rv = SetValueInternal(value,
nsTextEditorState::eSetValue_BySetUserInput |
nsTextEditorState::eSetValue_Notify);
NS_ENSURE_SUCCESS(rv, rv);
if (weakNumberControlFrame.IsAlive()) {
numberControlFrame->HandlingInputEvent(false);
}
}
else if (aVisitor.mEvent->mMessage == eFormChange) {
// We cancel the DOM 'change' event that is fired for any change to our
// anonymous text control since we fire our own 'change' events and
// content shouldn't be seeing two 'change' events. Besides that we
// (as a number) control have tighter restrictions on when our internal
// value changes than our anon text control does, so in some cases
// (if our text control's value doesn't parse as a number) we don't
// want to fire a 'change' event at all.
aVisitor.mCanHandle = false;
}
}
}
return rv;
}
void
HTMLInputElement::StartRangeThumbDrag(WidgetGUIEvent* aEvent)
{
mIsDraggingRange = true;
mRangeThumbDragStartValue = GetValueAsDecimal();
// Don't use CAPTURE_RETARGETTOELEMENT, as that breaks pseudo-class styling
// of the thumb.
nsIPresShell::SetCapturingContent(this, CAPTURE_IGNOREALLOWED);
nsRangeFrame* rangeFrame = do_QueryFrame(GetPrimaryFrame());
// Before we change the value, record the current value so that we'll
// correctly send a 'change' event if appropriate. We need to do this here
// because the 'focus' event is handled after the 'mousedown' event that
// we're being called for (i.e. too late to update mFocusedValue, since we'll
// have changed it by then).
GetValue(mFocusedValue);
SetValueOfRangeForUserEvent(rangeFrame->GetValueAtEventPoint(aEvent));
}
void
HTMLInputElement::FinishRangeThumbDrag(WidgetGUIEvent* aEvent)
{
MOZ_ASSERT(mIsDraggingRange);
if (nsIPresShell::GetCapturingContent() == this) {
nsIPresShell::SetCapturingContent(nullptr, 0); // cancel capture
}
if (aEvent) {
nsRangeFrame* rangeFrame = do_QueryFrame(GetPrimaryFrame());
SetValueOfRangeForUserEvent(rangeFrame->GetValueAtEventPoint(aEvent));
}
mIsDraggingRange = false;
FireChangeEventIfNeeded();
}
void
HTMLInputElement::CancelRangeThumbDrag(bool aIsForUserEvent)
{
MOZ_ASSERT(mIsDraggingRange);
mIsDraggingRange = false;
if (nsIPresShell::GetCapturingContent() == this) {
nsIPresShell::SetCapturingContent(nullptr, 0); // cancel capture
}
if (aIsForUserEvent) {
SetValueOfRangeForUserEvent(mRangeThumbDragStartValue);
} else {
// Don't dispatch an 'input' event - at least not using
// DispatchTrustedEvent.
// TODO: decide what we should do here - bug 851782.
nsAutoString val;
ConvertNumberToString(mRangeThumbDragStartValue, val);
// TODO: What should we do if SetValueInternal fails? (The allocation
// is small, so we should be fine here.)
SetValueInternal(val, nsTextEditorState::eSetValue_BySetUserInput |
nsTextEditorState::eSetValue_Notify);
nsRangeFrame* frame = do_QueryFrame(GetPrimaryFrame());
if (frame) {
frame->UpdateForValueChange();
}
RefPtr<AsyncEventDispatcher> asyncDispatcher =
new AsyncEventDispatcher(this, NS_LITERAL_STRING("input"), true, false);
asyncDispatcher->RunDOMEventWhenSafe();
}
}
void
HTMLInputElement::SetValueOfRangeForUserEvent(Decimal aValue)
{
MOZ_ASSERT(aValue.isFinite());
nsAutoString val;
ConvertNumberToString(aValue, val);
// TODO: What should we do if SetValueInternal fails? (The allocation
// is small, so we should be fine here.)
SetValueInternal(val, nsTextEditorState::eSetValue_BySetUserInput |
nsTextEditorState::eSetValue_Notify);
nsRangeFrame* frame = do_QueryFrame(GetPrimaryFrame());
if (frame) {
frame->UpdateForValueChange();
}
nsContentUtils::DispatchTrustedEvent(OwnerDoc(),
static_cast<nsIDOMHTMLInputElement*>(this),
NS_LITERAL_STRING("input"), true,
false);
}
void
HTMLInputElement::StartNumberControlSpinnerSpin()
{
MOZ_ASSERT(!mNumberControlSpinnerIsSpinning);
mNumberControlSpinnerIsSpinning = true;
nsRepeatService::GetInstance()->Start(HandleNumberControlSpin, this);
// Capture the mouse so that we can tell if the pointer moves from one
// spin button to the other, or to some other element:
nsIPresShell::SetCapturingContent(this, CAPTURE_IGNOREALLOWED);
nsNumberControlFrame* numberControlFrame =
do_QueryFrame(GetPrimaryFrame());
if (numberControlFrame) {
numberControlFrame->SpinnerStateChanged();
}
}
void
HTMLInputElement::StopNumberControlSpinnerSpin()
{
if (mNumberControlSpinnerIsSpinning) {
if (nsIPresShell::GetCapturingContent() == this) {
nsIPresShell::SetCapturingContent(nullptr, 0); // cancel capture
}
nsRepeatService::GetInstance()->Stop(HandleNumberControlSpin, this);
mNumberControlSpinnerIsSpinning = false;
FireChangeEventIfNeeded();
nsNumberControlFrame* numberControlFrame =
do_QueryFrame(GetPrimaryFrame());
if (numberControlFrame) {
numberControlFrame->SpinnerStateChanged();
}
}
}
void
HTMLInputElement::StepNumberControlForUserEvent(int32_t aDirection)
{
// We can't use GetValidityState here because the validity state is not set
// if the user hasn't previously taken an action to set or change the value,
// according to the specs.
if (HasBadInput()) {
// If the user has typed a value into the control and inadvertently made a
// mistake (e.g. put a thousand separator at the wrong point) we do not
// want to wipe out what they typed if they try to increment/decrement the
// value. Better is to highlight the value as being invalid so that they
// can correct what they typed.
// We only do this if there actually is a value typed in by/displayed to
// the user. (IsValid() can return false if the 'required' attribute is
// set and the value is the empty string.)
nsNumberControlFrame* numberControlFrame =
do_QueryFrame(GetPrimaryFrame());
if (numberControlFrame &&
!numberControlFrame->AnonTextControlIsEmpty()) {
// We pass 'true' for UpdateValidityUIBits' aIsFocused argument
// regardless because we need the UI to update _now_ or the user will
// wonder why the step behavior isn't functioning.
UpdateValidityUIBits(true);
UpdateState(true);
return;
}
}
Decimal newValue = Decimal::nan(); // unchanged if value will not change
nsresult rv = GetValueIfStepped(aDirection, CALLED_FOR_USER_EVENT, &newValue);
if (NS_FAILED(rv) || !newValue.isFinite()) {
return; // value should not or will not change
}
nsAutoString newVal;
ConvertNumberToString(newValue, newVal);
// TODO: What should we do if SetValueInternal fails? (The allocation
// is small, so we should be fine here.)
SetValueInternal(newVal, nsTextEditorState::eSetValue_BySetUserInput |
nsTextEditorState::eSetValue_Notify);
nsContentUtils::DispatchTrustedEvent(OwnerDoc(),
static_cast<nsIDOMHTMLInputElement*>(this),
NS_LITERAL_STRING("input"), true,
false);
}
static bool
SelectTextFieldOnFocus()
{
if (!gSelectTextFieldOnFocus) {
int32_t selectTextfieldsOnKeyFocus = -1;
nsresult rv =
LookAndFeel::GetInt(LookAndFeel::eIntID_SelectTextfieldsOnKeyFocus,
&selectTextfieldsOnKeyFocus);
if (NS_FAILED(rv)) {
gSelectTextFieldOnFocus = -1;
} else {
gSelectTextFieldOnFocus = selectTextfieldsOnKeyFocus != 0 ? 1 : -1;
}
}
return gSelectTextFieldOnFocus == 1;
}
bool
HTMLInputElement::ShouldPreventDOMActivateDispatch(EventTarget* aOriginalTarget)
{
/*
* For the moment, there is only one situation where we actually want to
* prevent firing a DOMActivate event:
* - we are a <input type='file'> that just got a click event,
* - the event was targeted to our button which should have sent a
* DOMActivate event.
*/
if (mType != NS_FORM_INPUT_FILE) {
return false;
}
nsCOMPtr<nsIContent> target = do_QueryInterface(aOriginalTarget);
if (!target) {
return false;
}
return target->GetParent() == this &&
target->IsRootOfNativeAnonymousSubtree() &&
target->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,
nsGkAtoms::button, eCaseMatters);
}
nsresult
HTMLInputElement::MaybeInitPickers(EventChainPostVisitor& aVisitor)
{
// Open a file picker when we receive a click on a <input type='file'>, or
// open a color picker when we receive a click on a <input type='color'>.
// A click is handled in the following cases:
// - preventDefault() has not been called (or something similar);
// - it's the left mouse button.
// We do not prevent non-trusted click because authors can already use
// .click(). However, the pickers will follow the rules of popup-blocking.
if (aVisitor.mEvent->mFlags.mDefaultPrevented) {
return NS_OK;
}
WidgetMouseEvent* mouseEvent = aVisitor.mEvent->AsMouseEvent();
if (!(mouseEvent && mouseEvent->IsLeftClickEvent())) {
return NS_OK;
}
if (mType == NS_FORM_INPUT_FILE) {
// If the user clicked on the "Choose folder..." button we open the
// directory picker, else we open the file picker.
FilePickerType type = FILE_PICKER_FILE;
nsCOMPtr<nsIContent> target =
do_QueryInterface(aVisitor.mEvent->originalTarget);
if (target &&
target->GetParent() == this &&
target->IsRootOfNativeAnonymousSubtree() &&
target->HasAttr(kNameSpaceID_None, nsGkAtoms::directory)) {
MOZ_ASSERT(Preferences::GetBool("dom.input.dirpicker", false),
"No API or UI should have been exposed to allow this code to "
"be reached");
type = FILE_PICKER_DIRECTORY;
}
return InitFilePicker(type);
}
if (mType == NS_FORM_INPUT_COLOR) {
return InitColorPicker();
}
return NS_OK;
}
nsresult
HTMLInputElement::PostHandleEvent(EventChainPostVisitor& aVisitor)
{
if (!aVisitor.mPresContext) {
// Hack alert! In order to open file picker even in case the element isn't
// in document, try to init picker even without PresContext.
return MaybeInitPickers(aVisitor);
}
if (aVisitor.mEvent->mMessage == eFocus ||
aVisitor.mEvent->mMessage == eBlur) {
if (aVisitor.mEvent->mMessage == eFocus &&
MayFireChangeOnBlur() &&
!mIsDraggingRange) { // StartRangeThumbDrag already set mFocusedValue
GetValue(mFocusedValue);
}
if (aVisitor.mEvent->mMessage == eBlur) {
if (mIsDraggingRange) {
FinishRangeThumbDrag();
} else if (mNumberControlSpinnerIsSpinning) {
StopNumberControlSpinnerSpin();
}
}
UpdateValidityUIBits(aVisitor.mEvent->mMessage == eFocus);
UpdateState(true);
}
nsresult rv = NS_OK;
bool outerActivateEvent = !!(aVisitor.mItemFlags & NS_OUTER_ACTIVATE_EVENT);
bool originalCheckedValue =
!!(aVisitor.mItemFlags & NS_ORIGINAL_CHECKED_VALUE);
bool noContentDispatch = !!(aVisitor.mItemFlags & NS_NO_CONTENT_DISPATCH);
uint8_t oldType = NS_CONTROL_TYPE(aVisitor.mItemFlags);
// Ideally we would make the default action for click and space just dispatch
// DOMActivate, and the default action for DOMActivate flip the checkbox/
// radio state and fire onchange. However, for backwards compatibility, we
// need to flip the state before firing click, and we need to fire click
// when space is pressed. So, we just nest the firing of DOMActivate inside
// the click event handling, and allow cancellation of DOMActivate to cancel
// the click.
if (aVisitor.mEventStatus != nsEventStatus_eConsumeNoDefault &&
!IsSingleLineTextControl(true) &&
mType != NS_FORM_INPUT_NUMBER) {
WidgetMouseEvent* mouseEvent = aVisitor.mEvent->AsMouseEvent();
if (mouseEvent && mouseEvent->IsLeftClickEvent() &&
!ShouldPreventDOMActivateDispatch(aVisitor.mEvent->originalTarget)) {
// DOMActive event should be trusted since the activation is actually
// occurred even if the cause is an untrusted click event.
InternalUIEvent actEvent(true, eLegacyDOMActivate, mouseEvent);
actEvent.detail = 1;
nsCOMPtr<nsIPresShell> shell = aVisitor.mPresContext->GetPresShell();
if (shell) {
nsEventStatus status = nsEventStatus_eIgnore;
mInInternalActivate = true;
rv = shell->HandleDOMEventWithTarget(this, &actEvent, &status);
mInInternalActivate = false;
// If activate is cancelled, we must do the same as when click is
// cancelled (revert the checkbox to its original value).
if (status == nsEventStatus_eConsumeNoDefault) {
aVisitor.mEventStatus = status;
}
}
}
}
if (outerActivateEvent) {
switch(oldType) {
case NS_FORM_INPUT_SUBMIT:
case NS_FORM_INPUT_IMAGE:
if (mForm) {
// tell the form that we are about to exit a click handler
// so the form knows not to defer subsequent submissions
// the pending ones that were created during the handler
// will be flushed or forgoten.
mForm->OnSubmitClickEnd();
}
break;
default:
break;
}
}
// Reset the flag for other content besides this text field
aVisitor.mEvent->mFlags.mNoContentDispatch = noContentDispatch;
// now check to see if the event was "cancelled"
if (mCheckedIsToggled && outerActivateEvent) {
if (aVisitor.mEventStatus == nsEventStatus_eConsumeNoDefault) {
// if it was cancelled and a radio button, then set the old
// selected btn to TRUE. if it is a checkbox then set it to its
// original value
if (oldType == NS_FORM_INPUT_RADIO) {
nsCOMPtr<nsIDOMHTMLInputElement> selectedRadioButton =
do_QueryInterface(aVisitor.mItemData);
if (selectedRadioButton) {
selectedRadioButton->SetChecked(true);
}
// If there was no checked radio button or this one is no longer a
// radio button we must reset it back to false to cancel the action.
// See how the web of hack grows?
if (!selectedRadioButton || mType != NS_FORM_INPUT_RADIO) {
DoSetChecked(false, true, true);
}
} else if (oldType == NS_FORM_INPUT_CHECKBOX) {
bool originalIndeterminateValue =
!!(aVisitor.mItemFlags & NS_ORIGINAL_INDETERMINATE_VALUE);
SetIndeterminateInternal(originalIndeterminateValue, false);
DoSetChecked(originalCheckedValue, true, true);
}
} else {
nsContentUtils::DispatchTrustedEvent(OwnerDoc(),
static_cast<nsIDOMHTMLInputElement*>(this),
NS_LITERAL_STRING("change"), true,
false);
#ifdef ACCESSIBILITY
// Fire an event to notify accessibility
if (mType == NS_FORM_INPUT_CHECKBOX) {
FireEventForAccessibility(this, aVisitor.mPresContext,
NS_LITERAL_STRING("CheckboxStateChange"));
} else {
FireEventForAccessibility(this, aVisitor.mPresContext,
NS_LITERAL_STRING("RadioStateChange"));
// Fire event for the previous selected radio.
nsCOMPtr<nsIDOMHTMLInputElement> previous =
do_QueryInterface(aVisitor.mItemData);
if (previous) {
FireEventForAccessibility(previous, aVisitor.mPresContext,
NS_LITERAL_STRING("RadioStateChange"));
}
}
#endif
}
}
if (NS_SUCCEEDED(rv)) {
WidgetKeyboardEvent* keyEvent = aVisitor.mEvent->AsKeyboardEvent();
if (mType == NS_FORM_INPUT_NUMBER &&
keyEvent && keyEvent->mMessage == eKeyPress &&
aVisitor.mEvent->mFlags.mIsTrusted &&
(keyEvent->keyCode == NS_VK_UP || keyEvent->keyCode == NS_VK_DOWN) &&
!(keyEvent->IsShift() || keyEvent->IsControl() ||
keyEvent->IsAlt() || keyEvent->IsMeta() ||
keyEvent->IsAltGraph() || keyEvent->IsFn() ||
keyEvent->IsOS())) {
// We handle the up/down arrow keys specially for <input type=number>.
// On some platforms the editor for the nested text control will
// process these keys to send the cursor to the start/end of the text
// control and as a result aVisitor.mEventStatus will already have been
// set to nsEventStatus_eConsumeNoDefault. However, we know that
// whenever the up/down arrow keys cause the value of the number
// control to change the string in the text control will change, and
// the cursor will be moved to the end of the text control, overwriting
// the editor's handling of up/down keypress events. For that reason we
// just ignore aVisitor.mEventStatus here and go ahead and handle the
// event to increase/decrease the value of the number control.
if (!aVisitor.mEvent->mFlags.mDefaultPreventedByContent && IsMutable()) {
StepNumberControlForUserEvent(keyEvent->keyCode == NS_VK_UP ? 1 : -1);
aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault;
}
} else if (nsEventStatus_eIgnore == aVisitor.mEventStatus) {
switch (aVisitor.mEvent->mMessage) {
case eFocus: {
// see if we should select the contents of the textbox. This happens
// for text and password fields when the field was focused by the
// keyboard or a navigation, the platform allows it, and it wasn't
// just because we raised a window.
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
if (fm && IsSingleLineTextControl(false) &&
!aVisitor.mEvent->AsFocusEvent()->fromRaise &&
SelectTextFieldOnFocus()) {
nsIDocument* document = GetComposedDoc();
if (document) {
uint32_t lastFocusMethod;
fm->GetLastFocusMethod(document->GetWindow(), &lastFocusMethod);
if (lastFocusMethod &
(nsIFocusManager::FLAG_BYKEY | nsIFocusManager::FLAG_BYMOVEFOCUS)) {
RefPtr<nsPresContext> presContext =
GetPresContext(eForComposedDoc);
if (DispatchSelectEvent(presContext)) {
SelectAll(presContext);
}
}
}
}
break;
}
case eKeyPress:
case eKeyUp:
{
// For backwards compat, trigger checks/radios/buttons with
// space or enter (bug 25300)
WidgetKeyboardEvent* keyEvent = aVisitor.mEvent->AsKeyboardEvent();
if ((aVisitor.mEvent->mMessage == eKeyPress &&
keyEvent->keyCode == NS_VK_RETURN) ||
(aVisitor.mEvent->mMessage == eKeyUp &&
keyEvent->keyCode == NS_VK_SPACE)) {
switch(mType) {
case NS_FORM_INPUT_CHECKBOX:
case NS_FORM_INPUT_RADIO:
{
// Checkbox and Radio try to submit on Enter press
if (keyEvent->keyCode != NS_VK_SPACE) {
MaybeSubmitForm(aVisitor.mPresContext);
break; // If we are submitting, do not send click event
}
// else fall through and treat Space like click...
MOZ_FALLTHROUGH;
}
case NS_FORM_INPUT_BUTTON:
case NS_FORM_INPUT_RESET:
case NS_FORM_INPUT_SUBMIT:
case NS_FORM_INPUT_IMAGE: // Bug 34418
case NS_FORM_INPUT_COLOR:
{
WidgetMouseEvent event(aVisitor.mEvent->mFlags.mIsTrusted,
eMouseClick, nullptr,
WidgetMouseEvent::eReal);
event.inputSource = nsIDOMMouseEvent::MOZ_SOURCE_KEYBOARD;
nsEventStatus status = nsEventStatus_eIgnore;
EventDispatcher::Dispatch(static_cast<nsIContent*>(this),
aVisitor.mPresContext, &event,
nullptr, &status);
aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault;
} // case
} // switch
}
if (aVisitor.mEvent->mMessage == eKeyPress &&
mType == NS_FORM_INPUT_RADIO && !keyEvent->IsAlt() &&
!keyEvent->IsControl() && !keyEvent->IsMeta()) {
bool isMovingBack = false;
switch (keyEvent->keyCode) {
case NS_VK_UP:
case NS_VK_LEFT:
isMovingBack = true;
MOZ_FALLTHROUGH;
case NS_VK_DOWN:
case NS_VK_RIGHT:
// Arrow key pressed, focus+select prev/next radio button
nsIRadioGroupContainer* container = GetRadioGroupContainer();
if (container) {
nsAutoString name;
GetAttr(kNameSpaceID_None, nsGkAtoms::name, name);
RefPtr<HTMLInputElement> selectedRadioButton;
container->GetNextRadioButton(name, isMovingBack, this,
getter_AddRefs(selectedRadioButton));
if (selectedRadioButton) {
rv = selectedRadioButton->Focus();
if (NS_SUCCEEDED(rv)) {
nsEventStatus status = nsEventStatus_eIgnore;
WidgetMouseEvent event(aVisitor.mEvent->mFlags.mIsTrusted,
eMouseClick, nullptr,
WidgetMouseEvent::eReal);
event.inputSource = nsIDOMMouseEvent::MOZ_SOURCE_KEYBOARD;
rv =
EventDispatcher::Dispatch(ToSupports(selectedRadioButton),
aVisitor.mPresContext,
&event, nullptr, &status);
if (NS_SUCCEEDED(rv)) {
aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault;
}
}
}
}
}
}
/*
* For some input types, if the user hits enter, the form is submitted.
*
* Bug 99920, bug 109463 and bug 147850:
* (a) if there is a submit control in the form, click the first
* submit control in the form.
* (b) if there is just one text control in the form, submit by
* sending a submit event directly to the form
* (c) if there is more than one text input and no submit buttons, do
* not submit, period.
*/
if (aVisitor.mEvent->mMessage == eKeyPress &&
keyEvent->keyCode == NS_VK_RETURN &&
(IsSingleLineTextControl(false, mType) ||
mType == NS_FORM_INPUT_NUMBER ||
IsExperimentalMobileType(mType))) {
FireChangeEventIfNeeded();
rv = MaybeSubmitForm(aVisitor.mPresContext);
NS_ENSURE_SUCCESS(rv, rv);
}
if (aVisitor.mEvent->mMessage == eKeyPress &&
mType == NS_FORM_INPUT_RANGE && !keyEvent->IsAlt() &&
!keyEvent->IsControl() && !keyEvent->IsMeta() &&
(keyEvent->keyCode == NS_VK_LEFT ||
keyEvent->keyCode == NS_VK_RIGHT ||
keyEvent->keyCode == NS_VK_UP ||
keyEvent->keyCode == NS_VK_DOWN ||
keyEvent->keyCode == NS_VK_PAGE_UP ||
keyEvent->keyCode == NS_VK_PAGE_DOWN ||
keyEvent->keyCode == NS_VK_HOME ||
keyEvent->keyCode == NS_VK_END)) {
Decimal minimum = GetMinimum();
Decimal maximum = GetMaximum();
MOZ_ASSERT(minimum.isFinite() && maximum.isFinite());
if (minimum < maximum) { // else the value is locked to the minimum
Decimal value = GetValueAsDecimal();
Decimal step = GetStep();
if (step == kStepAny) {
step = GetDefaultStep();
}
MOZ_ASSERT(value.isFinite() && step.isFinite());
Decimal newValue;
switch (keyEvent->keyCode) {
case NS_VK_LEFT:
newValue = value + (GetComputedDirectionality() == eDir_RTL
? step : -step);
break;
case NS_VK_RIGHT:
newValue = value + (GetComputedDirectionality() == eDir_RTL
? -step : step);
break;
case NS_VK_UP:
// Even for horizontal range, "up" means "increase"
newValue = value + step;
break;
case NS_VK_DOWN:
// Even for horizontal range, "down" means "decrease"
newValue = value - step;
break;
case NS_VK_HOME:
newValue = minimum;
break;
case NS_VK_END:
newValue = maximum;
break;
case NS_VK_PAGE_UP:
// For PgUp/PgDn we jump 10% of the total range, unless step
// requires us to jump more.
newValue = value + std::max(step, (maximum - minimum) / Decimal(10));
break;
case NS_VK_PAGE_DOWN:
newValue = value - std::max(step, (maximum - minimum) / Decimal(10));
break;
}
SetValueOfRangeForUserEvent(newValue);
aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault;
}
}
} break; // eKeyPress || eKeyUp
case eMouseDown:
case eMouseUp:
case eMouseDoubleClick: {
// cancel all of these events for buttons
//XXXsmaug Why?
WidgetMouseEvent* mouseEvent = aVisitor.mEvent->AsMouseEvent();
if (mouseEvent->button == WidgetMouseEvent::eMiddleButton ||
mouseEvent->button == WidgetMouseEvent::eRightButton) {
if (mType == NS_FORM_INPUT_BUTTON ||
mType == NS_FORM_INPUT_RESET ||
mType == NS_FORM_INPUT_SUBMIT) {
if (aVisitor.mDOMEvent) {
aVisitor.mDOMEvent->StopPropagation();
} else {
rv = NS_ERROR_FAILURE;
}
}
}
if (mType == NS_FORM_INPUT_NUMBER &&
aVisitor.mEvent->mFlags.mIsTrusted) {
if (mouseEvent->button == WidgetMouseEvent::eLeftButton &&
!(mouseEvent->IsShift() || mouseEvent->IsControl() ||
mouseEvent->IsAlt() || mouseEvent->IsMeta() ||
mouseEvent->IsAltGraph() || mouseEvent->IsFn() ||
mouseEvent->IsOS())) {
nsNumberControlFrame* numberControlFrame =
do_QueryFrame(GetPrimaryFrame());
if (numberControlFrame) {
if (aVisitor.mEvent->mMessage == eMouseDown &&
IsMutable()) {
switch (numberControlFrame->GetSpinButtonForPointerEvent(
aVisitor.mEvent->AsMouseEvent())) {
case nsNumberControlFrame::eSpinButtonUp:
StepNumberControlForUserEvent(1);
mNumberControlSpinnerSpinsUp = true;
StartNumberControlSpinnerSpin();
aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault;
break;
case nsNumberControlFrame::eSpinButtonDown:
StepNumberControlForUserEvent(-1);
mNumberControlSpinnerSpinsUp = false;
StartNumberControlSpinnerSpin();
aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault;
break;
}
}
}
}
if (aVisitor.mEventStatus != nsEventStatus_eConsumeNoDefault) {
// We didn't handle this to step up/down. Whatever this was, be
// aggressive about stopping the spin. (And don't set
// nsEventStatus_eConsumeNoDefault after doing so, since that
// might prevent, say, the context menu from opening.)
StopNumberControlSpinnerSpin();
}
}
break;
}
default:
break;
}
if (outerActivateEvent) {
if (mForm && (oldType == NS_FORM_INPUT_SUBMIT ||
oldType == NS_FORM_INPUT_IMAGE)) {
if (mType != NS_FORM_INPUT_SUBMIT && mType != NS_FORM_INPUT_IMAGE) {
// If the type has changed to a non-submit type, then we want to
// flush the stored submission if there is one (as if the submit()
// was allowed to succeed)
mForm->FlushPendingSubmission();
}
}
switch(mType) {
case NS_FORM_INPUT_RESET:
case NS_FORM_INPUT_SUBMIT:
case NS_FORM_INPUT_IMAGE:
if (mForm) {
InternalFormEvent event(true,
(mType == NS_FORM_INPUT_RESET) ? eFormReset : eFormSubmit);
event.originator = this;
nsEventStatus status = nsEventStatus_eIgnore;
nsCOMPtr<nsIPresShell> presShell =
aVisitor.mPresContext->GetPresShell();
// If |nsIPresShell::Destroy| has been called due to
// handling the event the pres context will return a null
// pres shell. See bug 125624.
// TODO: removing this code and have the submit event sent by the
// form, see bug 592124.
if (presShell && (event.mMessage != eFormSubmit ||
mForm->HasAttr(kNameSpaceID_None, nsGkAtoms::novalidate) ||
// We know the element is a submit control, if this check is moved,
// make sure formnovalidate is used only if it's a submit control.
HasAttr(kNameSpaceID_None, nsGkAtoms::formnovalidate) ||
mForm->CheckValidFormSubmission())) {
// Hold a strong ref while dispatching
RefPtr<mozilla::dom::HTMLFormElement> form(mForm);
presShell->HandleDOMEventWithTarget(mForm, &event, &status);
aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault;
}
}
break;
default:
break;
} //switch
} //click or outer activate event
} else if (outerActivateEvent &&
(oldType == NS_FORM_INPUT_SUBMIT ||
oldType == NS_FORM_INPUT_IMAGE) &&
mForm) {
// tell the form to flush a possible pending submission.
// the reason is that the script returned false (the event was
// not ignored) so if there is a stored submission, it needs to
// be submitted immediately.
mForm->FlushPendingSubmission();
}
} // if
if (NS_SUCCEEDED(rv) && mType == NS_FORM_INPUT_RANGE) {
PostHandleEventForRangeThumb(aVisitor);
}
return MaybeInitPickers(aVisitor);
}
void
HTMLInputElement::PostHandleEventForRangeThumb(EventChainPostVisitor& aVisitor)
{
MOZ_ASSERT(mType == NS_FORM_INPUT_RANGE);
if (nsEventStatus_eConsumeNoDefault == aVisitor.mEventStatus ||
!(aVisitor.mEvent->mClass == eMouseEventClass ||
aVisitor.mEvent->mClass == eTouchEventClass ||
aVisitor.mEvent->mClass == eKeyboardEventClass)) {
return;
}
nsRangeFrame* rangeFrame = do_QueryFrame(GetPrimaryFrame());
if (!rangeFrame && mIsDraggingRange) {
CancelRangeThumbDrag();
return;
}
switch (aVisitor.mEvent->mMessage)
{
case eMouseDown:
case eTouchStart: {
if (mIsDraggingRange) {
break;
}
if (nsIPresShell::GetCapturingContent()) {
break; // don't start drag if someone else is already capturing
}
WidgetInputEvent* inputEvent = aVisitor.mEvent->AsInputEvent();
if (inputEvent->IsShift() || inputEvent->IsControl() ||
inputEvent->IsAlt() || inputEvent->IsMeta() ||
inputEvent->IsAltGraph() || inputEvent->IsFn() ||
inputEvent->IsOS()) {
break; // ignore
}
if (aVisitor.mEvent->mMessage == eMouseDown) {
if (aVisitor.mEvent->AsMouseEvent()->buttons ==
WidgetMouseEvent::eLeftButtonFlag) {
StartRangeThumbDrag(inputEvent);
} else if (mIsDraggingRange) {
CancelRangeThumbDrag();
}
} else {
if (aVisitor.mEvent->AsTouchEvent()->touches.Length() == 1) {
StartRangeThumbDrag(inputEvent);
} else if (mIsDraggingRange) {
CancelRangeThumbDrag();
}
}
aVisitor.mEvent->mFlags.mMultipleActionsPrevented = true;
} break;
case eMouseMove:
case eTouchMove:
if (!mIsDraggingRange) {
break;
}
if (nsIPresShell::GetCapturingContent() != this) {
// Someone else grabbed capture.
CancelRangeThumbDrag();
break;
}
SetValueOfRangeForUserEvent(
rangeFrame->GetValueAtEventPoint(aVisitor.mEvent->AsInputEvent()));
aVisitor.mEvent->mFlags.mMultipleActionsPrevented = true;
break;
case eMouseUp:
case eTouchEnd:
if (!mIsDraggingRange) {
break;
}
// We don't check to see whether we are the capturing content here and
// call CancelRangeThumbDrag() if that is the case. We just finish off
// the drag and set our final value (unless someone has called
// preventDefault() and prevents us getting here).
FinishRangeThumbDrag(aVisitor.mEvent->AsInputEvent());
aVisitor.mEvent->mFlags.mMultipleActionsPrevented = true;
break;
case eKeyPress:
if (mIsDraggingRange &&
aVisitor.mEvent->AsKeyboardEvent()->keyCode == NS_VK_ESCAPE) {
CancelRangeThumbDrag();
}
break;
case eTouchCancel:
if (mIsDraggingRange) {
CancelRangeThumbDrag();
}
break;
default:
break;
}
}
void
HTMLInputElement::MaybeLoadImage()
{
// Our base URI may have changed; claim that our URI changed, and the
// nsImageLoadingContent will decide whether a new image load is warranted.
nsAutoString uri;
if (mType == NS_FORM_INPUT_IMAGE &&
GetAttr(kNameSpaceID_None, nsGkAtoms::src, uri) &&
(NS_FAILED(LoadImage(uri, false, true, eImageLoadType_Normal)) ||
!LoadingEnabled())) {
CancelImageRequests(true);
}
}
nsresult
HTMLInputElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
nsIContent* aBindingParent,
bool aCompileEventHandlers)
{
nsresult rv = nsGenericHTMLFormElementWithState::BindToTree(aDocument, aParent,
aBindingParent,
aCompileEventHandlers);
NS_ENSURE_SUCCESS(rv, rv);
nsImageLoadingContent::BindToTree(aDocument, aParent, aBindingParent,
aCompileEventHandlers);
if (mType == NS_FORM_INPUT_IMAGE) {
// Our base URI may have changed; claim that our URI changed, and the
// nsImageLoadingContent will decide whether a new image load is warranted.
if (HasAttr(kNameSpaceID_None, nsGkAtoms::src)) {
// FIXME: Bug 660963 it would be nice if we could just have
// ClearBrokenState update our state and do it fast...
ClearBrokenState();
RemoveStatesSilently(NS_EVENT_STATE_BROKEN);
nsContentUtils::AddScriptRunner(
NS_NewRunnableMethod(this, &HTMLInputElement::MaybeLoadImage));
}
}
// Add radio to document if we don't have a form already (if we do it's
// already been added into that group)
if (aDocument && !mForm && mType == NS_FORM_INPUT_RADIO) {
AddedToRadioGroup();
}
// Set direction based on value if dir=auto
SetDirectionIfAuto(HasDirAuto(), false);
// An element can't suffer from value missing if it is not in a document.
// We have to check if we suffer from that as we are now in a document.
UpdateValueMissingValidityState();
// If there is a disabled fieldset in the parent chain, the element is now
// barred from constraint validation and can't suffer from value missing
// (call done before).
UpdateBarredFromConstraintValidation();
// And now make sure our state is up to date
UpdateState(false);
if (mType == NS_FORM_INPUT_PASSWORD) {
if (IsInComposedDoc()) {
AsyncEventDispatcher* dispatcher =
new AsyncEventDispatcher(this,
NS_LITERAL_STRING("DOMInputPasswordAdded"),
true,
true);
dispatcher->PostDOMEvent();
}
#ifdef EARLY_BETA_OR_EARLIER
Telemetry::Accumulate(Telemetry::PWMGR_PASSWORD_INPUT_IN_FORM, !!mForm);
#endif
}
return rv;
}
void
HTMLInputElement::UnbindFromTree(bool aDeep, bool aNullParent)
{
// If we have a form and are unbound from it,
// nsGenericHTMLFormElementWithState::UnbindFromTree() will unset the form and
// that takes care of form's WillRemove so we just have to take care
// of the case where we're removing from the document and we don't
// have a form
if (!mForm && mType == NS_FORM_INPUT_RADIO) {
WillRemoveFromRadioGroup();
}
nsImageLoadingContent::UnbindFromTree(aDeep, aNullParent);
nsGenericHTMLFormElementWithState::UnbindFromTree(aDeep, aNullParent);
// GetCurrentDoc is returning nullptr so we can update the value
// missing validity state to reflect we are no longer into a doc.
UpdateValueMissingValidityState();
// We might be no longer disabled because of parent chain changed.
UpdateBarredFromConstraintValidation();
// And now make sure our state is up to date
UpdateState(false);
}
void
HTMLInputElement::HandleTypeChange(uint8_t aNewType)
{
if (mType == NS_FORM_INPUT_RANGE && mIsDraggingRange) {
CancelRangeThumbDrag(false);
}
ValueModeType aOldValueMode = GetValueMode();
uint8_t oldType = mType;
nsAutoString aOldValue;
if (aOldValueMode == VALUE_MODE_VALUE) {
GetValue(aOldValue);
}
// We already have a copy of the value, lets free it and changes the type.
FreeData();
mType = aNewType;
if (IsSingleLineTextControl()) {
mInputData.mState = new nsTextEditorState(this);
}
/**
* The following code is trying to reproduce the algorithm described here:
* http://www.whatwg.org/specs/web-apps/current-work/complete.html#input-type-change
*/
switch (GetValueMode()) {
case VALUE_MODE_DEFAULT:
case VALUE_MODE_DEFAULT_ON:
// If the previous value mode was value, we need to set the value content
// attribute to the previous value.
// There is no value sanitizing algorithm for elements in this mode.
if (aOldValueMode == VALUE_MODE_VALUE && !aOldValue.IsEmpty()) {
SetAttr(kNameSpaceID_None, nsGkAtoms::value, aOldValue, true);
}
break;
case VALUE_MODE_VALUE:
// If the previous value mode wasn't value, we have to set the value to
// the value content attribute.
// SetValueInternal is going to sanitize the value.
{
nsAutoString value;
if (aOldValueMode != VALUE_MODE_VALUE) {
GetAttr(kNameSpaceID_None, nsGkAtoms::value, value);
} else {
value = aOldValue;
}
// TODO: What should we do if SetValueInternal fails? (The allocation
// may potentially be big, but most likely we've failed to allocate
// before the type change.)
SetValueInternal(value, nsTextEditorState::eSetValue_Internal);
}
break;
case VALUE_MODE_FILENAME:
default:
// We don't care about the value.
// There is no value sanitizing algorithm for elements in this mode.
break;
}
// Updating mFocusedValue in consequence:
// If the new type fires a change event on blur, but the previous type
// doesn't, we should set mFocusedValue to the current value.
// Otherwise, if the new type doesn't fire a change event on blur, but the
// previous type does, we should clear out mFocusedValue.
if (MayFireChangeOnBlur(mType) && !MayFireChangeOnBlur(oldType)) {
GetValue(mFocusedValue);
} else if (!IsSingleLineTextControl(false, mType) &&
IsSingleLineTextControl(false, oldType)) {
mFocusedValue.Truncate();
}
UpdateHasRange();
// Do not notify, it will be done after if needed.
UpdateAllValidityStates(false);
}
void
HTMLInputElement::SanitizeValue(nsAString& aValue)
{
NS_ASSERTION(!mParserCreating, "The element parsing should be finished!");
switch (mType) {
case NS_FORM_INPUT_TEXT:
case NS_FORM_INPUT_SEARCH:
case NS_FORM_INPUT_TEL:
case NS_FORM_INPUT_PASSWORD:
{
char16_t crlf[] = { char16_t('\r'), char16_t('\n'), 0 };
aValue.StripChars(crlf);
}
break;
case NS_FORM_INPUT_EMAIL:
case NS_FORM_INPUT_URL:
{
char16_t crlf[] = { char16_t('\r'), char16_t('\n'), 0 };
aValue.StripChars(crlf);
aValue = nsContentUtils::TrimWhitespace<nsContentUtils::IsHTMLWhitespace>(aValue);
}
break;
case NS_FORM_INPUT_NUMBER:
{
Decimal value;
bool ok = ConvertStringToNumber(aValue, value);
if (!ok) {
aValue.Truncate();
}
}
break;
case NS_FORM_INPUT_RANGE:
{
Decimal minimum = GetMinimum();
Decimal maximum = GetMaximum();
MOZ_ASSERT(minimum.isFinite() && maximum.isFinite(),
"type=range should have a default maximum/minimum");
// We use this to avoid modifying the string unnecessarily, since that
// may introduce rounding. This is set to true only if the value we
// parse out from aValue needs to be sanitized.
bool needSanitization = false;
Decimal value;
bool ok = ConvertStringToNumber(aValue, value);
if (!ok) {
needSanitization = true;
// Set value to midway between minimum and maximum.
value = maximum <= minimum ? minimum : minimum + (maximum - minimum)/Decimal(2);
} else if (value < minimum || maximum < minimum) {
needSanitization = true;
value = minimum;
} else if (value > maximum) {
needSanitization = true;
value = maximum;
}
Decimal step = GetStep();
if (step != kStepAny) {
Decimal stepBase = GetStepBase();
// There could be rounding issues below when dealing with fractional
// numbers, but let's ignore that until ECMAScript supplies us with a
// decimal number type.
Decimal deltaToStep = NS_floorModulo(value - stepBase, step);
if (deltaToStep != Decimal(0)) {
// "suffering from a step mismatch"
// Round the element's value to the nearest number for which the
// element would not suffer from a step mismatch, and which is
// greater than or equal to the minimum, and, if the maximum is not
// less than the minimum, which is less than or equal to the
// maximum, if there is a number that matches these constraints:
MOZ_ASSERT(deltaToStep > Decimal(0), "stepBelow/stepAbove will be wrong");
Decimal stepBelow = value - deltaToStep;
Decimal stepAbove = value - deltaToStep + step;
Decimal halfStep = step / Decimal(2);
bool stepAboveIsClosest = (stepAbove - value) <= halfStep;
bool stepAboveInRange = stepAbove >= minimum &&
stepAbove <= maximum;
bool stepBelowInRange = stepBelow >= minimum &&
stepBelow <= maximum;
if ((stepAboveIsClosest || !stepBelowInRange) && stepAboveInRange) {
needSanitization = true;
value = stepAbove;
} else if ((!stepAboveIsClosest || !stepAboveInRange) && stepBelowInRange) {
needSanitization = true;
value = stepBelow;
}
}
}
if (needSanitization) {
char buf[32];
DebugOnly<bool> ok = value.toString(buf, ArrayLength(buf));
aValue.AssignASCII(buf);
MOZ_ASSERT(ok, "buf not big enough");
}
}
break;
case NS_FORM_INPUT_DATE:
{
if (!aValue.IsEmpty() && !IsValidDate(aValue)) {
aValue.Truncate();
}
}
break;
case NS_FORM_INPUT_TIME:
{
if (!aValue.IsEmpty() && !IsValidTime(aValue)) {
aValue.Truncate();
}
}
break;
case NS_FORM_INPUT_COLOR:
{
if (IsValidSimpleColor(aValue)) {
ToLowerCase(aValue);
} else {
// Set default (black) color, if aValue wasn't parsed correctly.
aValue.AssignLiteral("#000000");
}
}
break;
}
}
bool HTMLInputElement::IsValidSimpleColor(const nsAString& aValue) const
{
if (aValue.Length() != 7 || aValue.First() != '#') {
return false;
}
for (int i = 1; i < 7; ++i) {
if (!nsCRT::IsAsciiDigit(aValue[i]) &&
!(aValue[i] >= 'a' && aValue[i] <= 'f') &&
!(aValue[i] >= 'A' && aValue[i] <= 'F')) {
return false;
}
}
return true;
}
bool
HTMLInputElement::IsValidDate(const nsAString& aValue) const
{
uint32_t year, month, day;
return GetValueAsDate(aValue, &year, &month, &day);
}
bool
HTMLInputElement::GetValueAsDate(const nsAString& aValue,
uint32_t* aYear,
uint32_t* aMonth,
uint32_t* aDay) const
{
/*
* Parse the year, month, day values out a date string formatted as 'yyyy-mm-dd'.
* -The year must be 4 or more digits long, and year > 0
* -The month must be exactly 2 digits long, and 01 <= month <= 12
* -The day must be exactly 2 digit long, and 01 <= day <= maxday
* Where maxday is the number of days in the month 'month' and year 'year'
*/
if (aValue.Length() < 10) {
return false;
}
uint32_t endOfYearOffset = aValue.Length() - 6;
if (aValue[endOfYearOffset] != '-' ||
aValue[endOfYearOffset + 3] != '-') {
return false;
}
if (!DigitSubStringToNumber(aValue, 0, endOfYearOffset, aYear) ||
*aYear < 1) {
return false;
}
if (!DigitSubStringToNumber(aValue, endOfYearOffset + 1, 2, aMonth) ||
*aMonth < 1 || *aMonth > 12) {
return false;
}
return DigitSubStringToNumber(aValue, endOfYearOffset + 4, 2, aDay) &&
*aDay > 0 && *aDay <= NumberOfDaysInMonth(*aMonth, *aYear);
}
uint32_t
HTMLInputElement::NumberOfDaysInMonth(uint32_t aMonth, uint32_t aYear) const
{
/*
* Returns the number of days in a month.
* Months that are |longMonths| always have 31 days.
* Months that are not |longMonths| have 30 days except February (month 2).
* February has 29 days during leap years which are years that are divisible by 400.
* or divisible by 100 and 4. February has 28 days otherwise.
*/
static const bool longMonths[] = { true, false, true, false, true, false,
true, true, false, true, false, true };
MOZ_ASSERT(aMonth <= 12 && aMonth > 0);
if (longMonths[aMonth-1]) {
return 31;
}
if (aMonth != 2) {
return 30;
}
return (aYear % 400 == 0 || (aYear % 100 != 0 && aYear % 4 == 0))
? 29 : 28;
}
/* static */ bool
HTMLInputElement::DigitSubStringToNumber(const nsAString& aStr,
uint32_t aStart, uint32_t aLen,
uint32_t* aRetVal)
{
MOZ_ASSERT(aStr.Length() > (aStart + aLen - 1));
for (uint32_t offset = 0; offset < aLen; ++offset) {
if (!NS_IsAsciiDigit(aStr[aStart + offset])) {
return false;
}
}
nsresult ec;
*aRetVal = static_cast<uint32_t>(PromiseFlatString(Substring(aStr, aStart, aLen)).ToInteger(&ec));
return NS_SUCCEEDED(ec);
}
bool
HTMLInputElement::IsValidTime(const nsAString& aValue) const
{
return ParseTime(aValue, nullptr);
}
/* static */ bool
HTMLInputElement::ParseTime(const nsAString& aValue, uint32_t* aResult)
{
/* The string must have the following parts:
* - HOURS: two digits, value being in [0, 23];
* - Colon (:);
* - MINUTES: two digits, value being in [0, 59];
* - Optional:
* - Colon (:);
* - SECONDS: two digits, value being in [0, 59];
* - Optional:
* - DOT (.);
* - FRACTIONAL SECONDS: one to three digits, no value range.
*/
// The following format is the shorter one allowed: "HH:MM".
if (aValue.Length() < 5) {
return false;
}
uint32_t hours;
if (!DigitSubStringToNumber(aValue, 0, 2, &hours) || hours > 23) {
return false;
}
// Hours/minutes separator.
if (aValue[2] != ':') {
return false;
}
uint32_t minutes;
if (!DigitSubStringToNumber(aValue, 3, 2, &minutes) || minutes > 59) {
return false;
}
if (aValue.Length() == 5) {
if (aResult) {
*aResult = ((hours * 60) + minutes) * 60000;
}
return true;
}
// The following format is the next shorter one: "HH:MM:SS".
if (aValue.Length() < 8 || aValue[5] != ':') {
return false;
}
uint32_t seconds;
if (!DigitSubStringToNumber(aValue, 6, 2, &seconds) || seconds > 59) {
return false;
}
if (aValue.Length() == 8) {
if (aResult) {
*aResult = (((hours * 60) + minutes) * 60 + seconds) * 1000;
}
return true;
}
// The string must follow this format now: "HH:MM:SS.{s,ss,sss}".
// There can be 1 to 3 digits for the fractions of seconds.
if (aValue.Length() == 9 || aValue.Length() > 12 || aValue[8] != '.') {
return false;
}
uint32_t fractionsSeconds;
if (!DigitSubStringToNumber(aValue, 9, aValue.Length() - 9, &fractionsSeconds)) {
return false;
}
if (aResult) {
*aResult = (((hours * 60) + minutes) * 60 + seconds) * 1000 +
// NOTE: there is 10.0 instead of 10 and static_cast<int> because
// some old [and stupid] compilers can't just do the right thing.
fractionsSeconds * pow(10.0, static_cast<int>(3 - (aValue.Length() - 9)));
}
return true;
}
bool
HTMLInputElement::ParseAttribute(int32_t aNamespaceID,
nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult)
{
if (aNamespaceID == kNameSpaceID_None) {
if (aAttribute == nsGkAtoms::type) {
// XXX ARG!! This is major evilness. ParseAttribute
// shouldn't set members. Override SetAttr instead
int32_t newType;
bool success = aResult.ParseEnumValue(aValue, kInputTypeTable, false);
if (success) {
newType = aResult.GetEnumValue();
if ((IsExperimentalMobileType(newType) &&
!Preferences::GetBool("dom.experimental_forms", false)) ||
(newType == NS_FORM_INPUT_NUMBER &&
!Preferences::GetBool("dom.forms.number", false)) ||
(newType == NS_FORM_INPUT_COLOR &&
!Preferences::GetBool("dom.forms.color", false))) {
newType = kInputDefaultType->value;
aResult.SetTo(newType, &aValue);
}
} else {
newType = kInputDefaultType->value;
}
if (newType != mType) {
// Make sure to do the check for newType being NS_FORM_INPUT_FILE and
// the corresponding SetValueInternal() call _before_ we set mType.
// That way the logic in SetValueInternal() will work right (that logic
// makes assumptions about our frame based on mType, but we won't have
// had time to recreate frames yet -- that happens later in the
// SetAttr() process).
if (newType == NS_FORM_INPUT_FILE || mType == NS_FORM_INPUT_FILE) {
// This call isn't strictly needed any more since we'll never
// confuse values and filenames. However it's there for backwards
// compat.
ClearFiles(false);
}
HandleTypeChange(newType);
}
return success;
}
if (aAttribute == nsGkAtoms::width) {
return aResult.ParseSpecialIntValue(aValue);
}
if (aAttribute == nsGkAtoms::height) {
return aResult.ParseSpecialIntValue(aValue);
}
if (aAttribute == nsGkAtoms::maxlength) {
return aResult.ParseNonNegativeIntValue(aValue);
}
if (aAttribute == nsGkAtoms::size) {
return aResult.ParsePositiveIntValue(aValue);
}
if (aAttribute == nsGkAtoms::border) {
return aResult.ParseIntWithBounds(aValue, 0);
}
if (aAttribute == nsGkAtoms::align) {
return ParseAlignValue(aValue, aResult);
}
if (aAttribute == nsGkAtoms::formmethod) {
return aResult.ParseEnumValue(aValue, kFormMethodTable, false);
}
if (aAttribute == nsGkAtoms::formenctype) {
return aResult.ParseEnumValue(aValue, kFormEnctypeTable, false);
}
if (aAttribute == nsGkAtoms::autocomplete) {
aResult.ParseAtomArray(aValue);
return true;
}
if (aAttribute == nsGkAtoms::inputmode) {
return aResult.ParseEnumValue(aValue, kInputInputmodeTable, false);
}
if (ParseImageAttribute(aAttribute, aValue, aResult)) {
// We have to call |ParseImageAttribute| unconditionally since we
// don't know if we're going to have a type="image" attribute yet,
// (or could have it set dynamically in the future). See bug
// 214077.
return true;
}
}
return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
aResult);
}
void
HTMLInputElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
nsRuleData* aData)
{
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::type);
if (value && value->Type() == nsAttrValue::eEnum &&
value->GetEnumValue() == NS_FORM_INPUT_IMAGE) {
nsGenericHTMLFormElementWithState::MapImageBorderAttributeInto(aAttributes, aData);
nsGenericHTMLFormElementWithState::MapImageMarginAttributeInto(aAttributes, aData);
nsGenericHTMLFormElementWithState::MapImageSizeAttributesInto(aAttributes, aData);
// Images treat align as "float"
nsGenericHTMLFormElementWithState::MapImageAlignAttributeInto(aAttributes, aData);
}
nsGenericHTMLFormElementWithState::MapCommonAttributesInto(aAttributes, aData);
}
nsChangeHint
HTMLInputElement::GetAttributeChangeHint(const nsIAtom* aAttribute,
int32_t aModType) const
{
nsChangeHint retval =
nsGenericHTMLFormElementWithState::GetAttributeChangeHint(aAttribute, aModType);
if (aAttribute == nsGkAtoms::type ||
// The presence or absence of the 'directory' attribute determines what
// buttons we show for type=file.
aAttribute == nsGkAtoms::directory) {
NS_UpdateHint(retval, NS_STYLE_HINT_FRAMECHANGE);
} else if (mType == NS_FORM_INPUT_IMAGE &&
(aAttribute == nsGkAtoms::alt ||
aAttribute == nsGkAtoms::value)) {
// We might need to rebuild our alt text. Just go ahead and
// reconstruct our frame. This should be quite rare..
NS_UpdateHint(retval, NS_STYLE_HINT_FRAMECHANGE);
} else if (aAttribute == nsGkAtoms::value) {
NS_UpdateHint(retval, NS_STYLE_HINT_REFLOW);
} else if (aAttribute == nsGkAtoms::size &&
IsSingleLineTextControl(false)) {
NS_UpdateHint(retval, NS_STYLE_HINT_REFLOW);
} else if (PlaceholderApplies() && aAttribute == nsGkAtoms::placeholder) {
NS_UpdateHint(retval, NS_STYLE_HINT_FRAMECHANGE);
}
return retval;
}
NS_IMETHODIMP_(bool)
HTMLInputElement::IsAttributeMapped(const nsIAtom* aAttribute) const
{
static const MappedAttributeEntry attributes[] = {
{ &nsGkAtoms::align },
{ &nsGkAtoms::type },
{ nullptr },
};
static const MappedAttributeEntry* const map[] = {
attributes,
sCommonAttributeMap,
sImageMarginSizeAttributeMap,
sImageBorderAttributeMap,
};
return FindAttributeDependence(aAttribute, map);
}
nsMapRuleToAttributesFunc
HTMLInputElement::GetAttributeMappingFunction() const
{
return &MapAttributesIntoRule;
}
// Directory picking methods:
bool
HTMLInputElement::IsFilesAndDirectoriesSupported() const
{
// This method is supposed to return true if a file and directory picker
// supports the selection of both files and directories *at the same time*.
// Only Mac currently supports that. We could implement it for Mac, but
// currently we do not.
return false;
}
void
HTMLInputElement::ChooseDirectory(ErrorResult& aRv)
{
if (mType != NS_FORM_INPUT_FILE) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return;
}
// Script can call this method directly, so even though we don't show the
// "Pick Folder..." button on platforms that don't have a directory picker
// we have to redirect to the file picker here.
InitFilePicker(
#if defined(ANDROID) || defined(MOZ_B2G)
// No native directory picker - redirect to plain file picker
FILE_PICKER_FILE
#else
FILE_PICKER_DIRECTORY
#endif
);
}
already_AddRefed<Promise>
HTMLInputElement::GetFilesAndDirectories(ErrorResult& aRv)
{
if (mType != NS_FORM_INPUT_FILE) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return nullptr;
}
if (mFilesAndDirectoriesPromise) {
return RefPtr<Promise>(mFilesAndDirectoriesPromise).forget();
}
nsCOMPtr<nsIGlobalObject> global = OwnerDoc()->GetScopeObject();
MOZ_ASSERT(global);
if (!global) {
return nullptr;
}
RefPtr<Promise> p = Promise::Create(global, aRv);
if (aRv.Failed()) {
return nullptr;
}
const nsTArray<RefPtr<File>>& filesAndDirs = GetFilesInternal();
Sequence<OwningFileOrDirectory> filesAndDirsSeq;
if (!filesAndDirsSeq.SetLength(filesAndDirs.Length(), mozilla::fallible_t())) {
p->MaybeReject(NS_ERROR_OUT_OF_MEMORY);
return p.forget();
}
for (uint32_t i = 0; i < filesAndDirs.Length(); ++i) {
if (filesAndDirs[i]->IsDirectory()) {
#if defined(ANDROID) || defined(MOZ_B2G)
MOZ_ASSERT(false,
"Directory picking should have been redirected to normal "
"file picking for platforms that don't have a directory "
"picker");
#endif
nsAutoString path;
filesAndDirs[i]->GetMozFullPathInternal(path, aRv);
if (aRv.Failed()) {
return nullptr;
}
int32_t leafSeparatorIndex = path.RFind(FILE_PATH_SEPARATOR);
nsDependentSubstring dirname = Substring(path, 0, leafSeparatorIndex);
RefPtr<OSFileSystem> fs = new OSFileSystem(dirname);
fs->Init(OwnerDoc()->GetInnerWindow());
nsAutoString dompath(NS_LITERAL_STRING(FILESYSTEM_DOM_PATH_SEPARATOR));
dompath.Append(Substring(path, leafSeparatorIndex + 1));
RefPtr<Directory> directory = new Directory(fs, dompath);
// In future we could refactor SetFilePickerFiltersFromAccept to return a
// semicolon separated list of file extensions and include that in the
// filter string passed here.
directory->SetContentFilters(NS_LITERAL_STRING("filter-out-sensitive"));
filesAndDirsSeq[i].SetAsDirectory() = directory;
} else {
// This file was directly selected by the user, so don't filter it.
filesAndDirsSeq[i].SetAsFile() = filesAndDirs[i];
}
}
p->MaybeResolve(filesAndDirsSeq);
// Cache the Promise so that repeat getFilesAndDirectories() calls return
// the same Promise and array of File and Directory objects until the user
// picks different files/directories:
mFilesAndDirectoriesPromise = p;
return p.forget();
}
// Controllers Methods
nsIControllers*
HTMLInputElement::GetControllers(ErrorResult& aRv)
{
//XXX: what about type "file"?
if (IsSingleLineTextControl(false))
{
if (!mControllers)
{
nsresult rv;
mControllers = do_CreateInstance(kXULControllersCID, &rv);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return nullptr;
}
nsCOMPtr<nsIController>
controller(do_CreateInstance("@mozilla.org/editor/editorcontroller;1",
&rv));
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return nullptr;
}
mControllers->AppendController(controller);
controller = do_CreateInstance("@mozilla.org/editor/editingcontroller;1",
&rv);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return nullptr;
}
mControllers->AppendController(controller);
}
}
return mControllers;
}
NS_IMETHODIMP
HTMLInputElement::GetControllers(nsIControllers** aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
ErrorResult rv;
RefPtr<nsIControllers> controller = GetControllers(rv);
controller.forget(aResult);
return rv.StealNSResult();
}
int32_t
HTMLInputElement::GetTextLength(ErrorResult& aRv)
{
nsAutoString val;
GetValue(val);
return val.Length();
}
NS_IMETHODIMP
HTMLInputElement::GetTextLength(int32_t* aTextLength)
{
ErrorResult rv;
*aTextLength = GetTextLength(rv);
return rv.StealNSResult();
}
void
HTMLInputElement::SetSelectionRange(int32_t aSelectionStart,
int32_t aSelectionEnd,
const Optional<nsAString>& aDirection,
ErrorResult& aRv)
{
nsIFormControlFrame* formControlFrame = GetFormControlFrame(true);
nsITextControlFrame* textControlFrame = do_QueryFrame(formControlFrame);
if (textControlFrame) {
// Default to forward, even if not specified.
// Note that we don't currently support directionless selections, so
// "none" is treated like "forward".
nsITextControlFrame::SelectionDirection dir = nsITextControlFrame::eForward;
if (aDirection.WasPassed() && aDirection.Value().EqualsLiteral("backward")) {
dir = nsITextControlFrame::eBackward;
}
aRv = textControlFrame->SetSelectionRange(aSelectionStart, aSelectionEnd, dir);
if (!aRv.Failed()) {
aRv = textControlFrame->ScrollSelectionIntoView();
RefPtr<AsyncEventDispatcher> asyncDispatcher =
new AsyncEventDispatcher(this, NS_LITERAL_STRING("select"),
true, false);
asyncDispatcher->PostDOMEvent();
}
}
}
NS_IMETHODIMP
HTMLInputElement::SetSelectionRange(int32_t aSelectionStart,
int32_t aSelectionEnd,
const nsAString& aDirection)
{
ErrorResult rv;
Optional<nsAString> direction;
direction = &aDirection;
SetSelectionRange(aSelectionStart, aSelectionEnd, direction, rv);
return rv.StealNSResult();
}
void
HTMLInputElement::SetRangeText(const nsAString& aReplacement, ErrorResult& aRv)
{
if (!SupportsSetRangeText()) {
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return;
}
int32_t start, end;
aRv = GetSelectionRange(&start, &end);
if (aRv.Failed()) {
nsTextEditorState* state = GetEditorState();
if (state && state->IsSelectionCached()) {
start = state->GetSelectionProperties().mStart;
end = state->GetSelectionProperties().mEnd;
aRv = NS_OK;
}
}
SetRangeText(aReplacement, start, end, mozilla::dom::SelectionMode::Preserve,
aRv, start, end);
}
void
HTMLInputElement::SetRangeText(const nsAString& aReplacement, uint32_t aStart,
uint32_t aEnd, const SelectionMode& aSelectMode,
ErrorResult& aRv, int32_t aSelectionStart,
int32_t aSelectionEnd)
{
if (!SupportsSetRangeText()) {
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return;
}
if (aStart > aEnd) {
aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return;
}
nsAutoString value;
GetValueInternal(value);
uint32_t inputValueLength = value.Length();
if (aStart > inputValueLength) {
aStart = inputValueLength;
}
if (aEnd > inputValueLength) {
aEnd = inputValueLength;
}
if (aSelectionStart == -1 && aSelectionEnd == -1) {
aRv = GetSelectionRange(&aSelectionStart, &aSelectionEnd);
if (aRv.Failed()) {
nsTextEditorState* state = GetEditorState();
if (state && state->IsSelectionCached()) {
aSelectionStart = state->GetSelectionProperties().mStart;
aSelectionEnd = state->GetSelectionProperties().mEnd;
aRv = NS_OK;
}
}
}
if (aStart <= aEnd) {
value.Replace(aStart, aEnd - aStart, aReplacement);
nsresult rv =
SetValueInternal(value, nsTextEditorState::eSetValue_ByContent);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
}
uint32_t newEnd = aStart + aReplacement.Length();
int32_t delta = aReplacement.Length() - (aEnd - aStart);
switch (aSelectMode) {
case mozilla::dom::SelectionMode::Select:
{
aSelectionStart = aStart;
aSelectionEnd = newEnd;
}
break;
case mozilla::dom::SelectionMode::Start:
{
aSelectionStart = aSelectionEnd = aStart;
}
break;
case mozilla::dom::SelectionMode::End:
{
aSelectionStart = aSelectionEnd = newEnd;
}
break;
case mozilla::dom::SelectionMode::Preserve:
{
if ((uint32_t)aSelectionStart > aEnd) {
aSelectionStart += delta;
} else if ((uint32_t)aSelectionStart > aStart) {
aSelectionStart = aStart;
}
if ((uint32_t)aSelectionEnd > aEnd) {
aSelectionEnd += delta;
} else if ((uint32_t)aSelectionEnd > aStart) {
aSelectionEnd = newEnd;
}
}
break;
default:
MOZ_CRASH("Unknown mode!");
}
Optional<nsAString> direction;
SetSelectionRange(aSelectionStart, aSelectionEnd, direction, aRv);
}
int32_t
HTMLInputElement::GetSelectionStart(ErrorResult& aRv)
{
int32_t selEnd, selStart;
aRv = GetSelectionRange(&selStart, &selEnd);
if (aRv.Failed()) {
nsTextEditorState* state = GetEditorState();
if (state && state->IsSelectionCached()) {
aRv = NS_OK;
return state->GetSelectionProperties().mStart;
}
}
return selStart;
}
NS_IMETHODIMP
HTMLInputElement::GetSelectionStart(int32_t* aSelectionStart)
{
NS_ENSURE_ARG_POINTER(aSelectionStart);
ErrorResult rv;
*aSelectionStart = GetSelectionStart(rv);
return rv.StealNSResult();
}
void
HTMLInputElement::SetSelectionStart(int32_t aSelectionStart, ErrorResult& aRv)
{
nsTextEditorState* state = GetEditorState();
if (state && state->IsSelectionCached()) {
state->GetSelectionProperties().mStart = aSelectionStart;
return;
}
nsAutoString direction;
aRv = GetSelectionDirection(direction);
if (aRv.Failed()) {
return;
}
int32_t start, end;
aRv = GetSelectionRange(&start, &end);
if (aRv.Failed()) {
return;
}
start = aSelectionStart;
if (end < start) {
end = start;
}
aRv = SetSelectionRange(start, end, direction);
}
NS_IMETHODIMP
HTMLInputElement::SetSelectionStart(int32_t aSelectionStart)
{
ErrorResult rv;
SetSelectionStart(aSelectionStart, rv);
return rv.StealNSResult();
}
int32_t
HTMLInputElement::GetSelectionEnd(ErrorResult& aRv)
{
int32_t selStart, selEnd;
aRv = GetSelectionRange(&selStart, &selEnd);
if (aRv.Failed()) {
nsTextEditorState* state = GetEditorState();
if (state && state->IsSelectionCached()) {
aRv = NS_OK;
return state->GetSelectionProperties().mEnd;
}
}
return selEnd;
}
NS_IMETHODIMP
HTMLInputElement::GetSelectionEnd(int32_t* aSelectionEnd)
{
NS_ENSURE_ARG_POINTER(aSelectionEnd);
ErrorResult rv;
*aSelectionEnd = GetSelectionEnd(rv);
return rv.StealNSResult();
}
void
HTMLInputElement::SetSelectionEnd(int32_t aSelectionEnd, ErrorResult& aRv)
{
nsTextEditorState* state = GetEditorState();
if (state && state->IsSelectionCached()) {
state->GetSelectionProperties().mEnd = aSelectionEnd;
return;
}
nsAutoString direction;
aRv = GetSelectionDirection(direction);
if (aRv.Failed()) {
return;
}
int32_t start, end;
aRv = GetSelectionRange(&start, &end);
if (aRv.Failed()) {
return;
}
end = aSelectionEnd;
if (start > end) {
start = end;
}
aRv = SetSelectionRange(start, end, direction);
}
NS_IMETHODIMP
HTMLInputElement::SetSelectionEnd(int32_t aSelectionEnd)
{
ErrorResult rv;
SetSelectionEnd(aSelectionEnd, rv);
return rv.StealNSResult();
}
NS_IMETHODIMP
HTMLInputElement::GetFiles(nsIDOMFileList** aFileList)
{
RefPtr<FileList> list = GetFiles();
list.forget(aFileList);
return NS_OK;
}
nsresult
HTMLInputElement::GetSelectionRange(int32_t* aSelectionStart,
int32_t* aSelectionEnd)
{
nsIFormControlFrame* formControlFrame = GetFormControlFrame(true);
nsITextControlFrame* textControlFrame = do_QueryFrame(formControlFrame);
if (textControlFrame) {
return textControlFrame->GetSelectionRange(aSelectionStart, aSelectionEnd);
}
return NS_ERROR_FAILURE;
}
static void
DirectionToName(nsITextControlFrame::SelectionDirection dir, nsAString& aDirection)
{
if (dir == nsITextControlFrame::eNone) {
aDirection.AssignLiteral("none");
} else if (dir == nsITextControlFrame::eForward) {
aDirection.AssignLiteral("forward");
} else if (dir == nsITextControlFrame::eBackward) {
aDirection.AssignLiteral("backward");
} else {
NS_NOTREACHED("Invalid SelectionDirection value");
}
}
void
HTMLInputElement::GetSelectionDirection(nsAString& aDirection, ErrorResult& aRv)
{
nsresult rv = NS_ERROR_FAILURE;
nsIFormControlFrame* formControlFrame = GetFormControlFrame(true);
nsITextControlFrame* textControlFrame = do_QueryFrame(formControlFrame);
if (textControlFrame) {
nsITextControlFrame::SelectionDirection dir;
rv = textControlFrame->GetSelectionRange(nullptr, nullptr, &dir);
if (NS_SUCCEEDED(rv)) {
DirectionToName(dir, aDirection);
}
}
if (NS_FAILED(rv)) {
nsTextEditorState* state = GetEditorState();
if (state && state->IsSelectionCached()) {
DirectionToName(state->GetSelectionProperties().mDirection, aDirection);
return;
}
}
if (NS_FAILED(rv)) {
aRv.Throw(rv);
}
}
NS_IMETHODIMP
HTMLInputElement::GetSelectionDirection(nsAString& aDirection)
{
ErrorResult rv;
GetSelectionDirection(aDirection, rv);
return rv.StealNSResult();
}
void
HTMLInputElement::SetSelectionDirection(const nsAString& aDirection, ErrorResult& aRv)
{
nsTextEditorState* state = GetEditorState();
if (state && state->IsSelectionCached()) {
nsITextControlFrame::SelectionDirection dir = nsITextControlFrame::eNone;
if (aDirection.EqualsLiteral("forward")) {
dir = nsITextControlFrame::eForward;
} else if (aDirection.EqualsLiteral("backward")) {
dir = nsITextControlFrame::eBackward;
}
state->GetSelectionProperties().mDirection = dir;
return;
}
int32_t start, end;
aRv = GetSelectionRange(&start, &end);
if (!aRv.Failed()) {
aRv = SetSelectionRange(start, end, aDirection);
}
}
NS_IMETHODIMP
HTMLInputElement::SetSelectionDirection(const nsAString& aDirection)
{
ErrorResult rv;
SetSelectionDirection(aDirection, rv);
return rv.StealNSResult();
}
NS_IMETHODIMP
HTMLInputElement::GetPhonetic(nsAString& aPhonetic)
{
aPhonetic.Truncate();
nsIFormControlFrame* formControlFrame = GetFormControlFrame(true);
nsITextControlFrame* textControlFrame = do_QueryFrame(formControlFrame);
if (textControlFrame) {
textControlFrame->GetPhonetic(aPhonetic);
}
return NS_OK;
}
#ifdef ACCESSIBILITY
/*static*/ nsresult
FireEventForAccessibility(nsIDOMHTMLInputElement* aTarget,
nsPresContext* aPresContext,
const nsAString& aEventType)
{
nsCOMPtr<mozilla::dom::Element> element = do_QueryInterface(aTarget);
RefPtr<Event> event = NS_NewDOMEvent(element, aPresContext, nullptr);
event->InitEvent(aEventType, true, true);
event->SetTrusted(true);
EventDispatcher::DispatchDOMEvent(aTarget, nullptr, event, aPresContext,
nullptr);
return NS_OK;
}
#endif
nsresult
HTMLInputElement::SetDefaultValueAsValue()
{
NS_ASSERTION(GetValueMode() == VALUE_MODE_VALUE,
"GetValueMode() should return VALUE_MODE_VALUE!");
// The element has a content attribute value different from it's value when
// it's in the value mode value.
nsAutoString resetVal;
GetDefaultValue(resetVal);
// SetValueInternal is going to sanitize the value.
return SetValueInternal(resetVal, nsTextEditorState::eSetValue_Internal);
}
void
HTMLInputElement::SetDirectionIfAuto(bool aAuto, bool aNotify)
{
if (aAuto) {
SetHasDirAuto();
if (IsSingleLineTextControl(true)) {
nsAutoString value;
GetValue(value);
SetDirectionalityFromValue(this, value, aNotify);
}
} else {
ClearHasDirAuto();
}
}
NS_IMETHODIMP
HTMLInputElement::Reset()
{
// We should be able to reset all dirty flags regardless of the type.
SetCheckedChanged(false);
SetValueChanged(false);
switch (GetValueMode()) {
case VALUE_MODE_VALUE:
return SetDefaultValueAsValue();
case VALUE_MODE_DEFAULT_ON:
DoSetChecked(DefaultChecked(), true, false);
return NS_OK;
case VALUE_MODE_FILENAME:
ClearFiles(false);
return NS_OK;
case VALUE_MODE_DEFAULT:
default:
return NS_OK;
}
}
NS_IMETHODIMP
HTMLInputElement::SubmitNamesValues(nsFormSubmission* aFormSubmission)
{
// Disabled elements don't submit
// For type=reset, and type=button, we just never submit, period.
// For type=image and type=button, we only submit if we were the button
// pressed
// For type=radio and type=checkbox, we only submit if checked=true
if (IsDisabled() || mType == NS_FORM_INPUT_RESET ||
mType == NS_FORM_INPUT_BUTTON ||
((mType == NS_FORM_INPUT_SUBMIT || mType == NS_FORM_INPUT_IMAGE) &&
aFormSubmission->GetOriginatingElement() != this) ||
((mType == NS_FORM_INPUT_RADIO || mType == NS_FORM_INPUT_CHECKBOX) &&
!mChecked)) {
return NS_OK;
}
// Get the name
nsAutoString name;
GetAttr(kNameSpaceID_None, nsGkAtoms::name, name);
// Submit .x, .y for input type=image
if (mType == NS_FORM_INPUT_IMAGE) {
// Get a property set by the frame to find out where it was clicked.
nsIntPoint* lastClickedPoint =
static_cast<nsIntPoint*>(GetProperty(nsGkAtoms::imageClickedPoint));
int32_t x, y;
if (lastClickedPoint) {
// Convert the values to strings for submission
x = lastClickedPoint->x;
y = lastClickedPoint->y;
} else {
x = y = 0;
}
nsAutoString xVal, yVal;
xVal.AppendInt(x);
yVal.AppendInt(y);
if (!name.IsEmpty()) {
aFormSubmission->AddNameValuePair(name + NS_LITERAL_STRING(".x"), xVal);
aFormSubmission->AddNameValuePair(name + NS_LITERAL_STRING(".y"), yVal);
} else {
// If the Image Element has no name, simply return x and y
// to Nav and IE compatibility.
aFormSubmission->AddNameValuePair(NS_LITERAL_STRING("x"), xVal);
aFormSubmission->AddNameValuePair(NS_LITERAL_STRING("y"), yVal);
}
return NS_OK;
}
//
// Submit name=value
//
// If name not there, don't submit
if (name.IsEmpty()) {
return NS_OK;
}
// Get the value
nsAutoString value;
nsresult rv = GetValue(value);
if (NS_FAILED(rv)) {
return rv;
}
if (mType == NS_FORM_INPUT_SUBMIT && value.IsEmpty() &&
!HasAttr(kNameSpaceID_None, nsGkAtoms::value)) {
// Get our default value, which is the same as our default label
nsXPIDLString defaultValue;
nsContentUtils::GetLocalizedString(nsContentUtils::eFORMS_PROPERTIES,
"Submit", defaultValue);
value = defaultValue;
}
//
// Submit file if its input type=file and this encoding method accepts files
//
if (mType == NS_FORM_INPUT_FILE) {
// Submit files
const nsTArray<RefPtr<File>>& files = GetFilesInternal();
for (uint32_t i = 0; i < files.Length(); ++i) {
aFormSubmission->AddNameBlobOrNullPair(name, files[i]);
}
if (files.IsEmpty()) {
aFormSubmission->AddNameBlobOrNullPair(name, nullptr);
}
return NS_OK;
}
if (mType == NS_FORM_INPUT_HIDDEN && name.EqualsLiteral("_charset_")) {
nsCString charset;
aFormSubmission->GetCharset(charset);
return aFormSubmission->AddNameValuePair(name,
NS_ConvertASCIItoUTF16(charset));
}
if (IsSingleLineTextControl(true) &&
name.EqualsLiteral("isindex") &&
aFormSubmission->SupportsIsindexSubmission()) {
return aFormSubmission->AddIsindex(value);
}
return aFormSubmission->AddNameValuePair(name, value);
}
NS_IMETHODIMP
HTMLInputElement::SaveState()
{
RefPtr<HTMLInputElementState> inputState;
switch (GetValueMode()) {
case VALUE_MODE_DEFAULT_ON:
if (mCheckedChanged) {
inputState = new HTMLInputElementState();
inputState->SetChecked(mChecked);
}
break;
case VALUE_MODE_FILENAME:
if (!mFiles.IsEmpty()) {
inputState = new HTMLInputElementState();
inputState->SetBlobImpls(mFiles);
}
break;
case VALUE_MODE_VALUE:
case VALUE_MODE_DEFAULT:
// VALUE_MODE_DEFAULT shouldn't have their value saved except 'hidden',
// mType shouldn't be NS_FORM_INPUT_PASSWORD and value should have changed.
if ((GetValueMode() == VALUE_MODE_DEFAULT &&
mType != NS_FORM_INPUT_HIDDEN) ||
mType == NS_FORM_INPUT_PASSWORD || !mValueChanged) {
break;
}
inputState = new HTMLInputElementState();
nsAutoString value;
GetValue(value);
DebugOnly<nsresult> rv =
nsLinebreakConverter::ConvertStringLineBreaks(
value,
nsLinebreakConverter::eLinebreakPlatform,
nsLinebreakConverter::eLinebreakContent);
NS_ASSERTION(NS_SUCCEEDED(rv), "Converting linebreaks failed!");
inputState->SetValue(value);
break;
}
if (inputState) {
nsPresState* state = GetPrimaryPresState();
if (state) {
state->SetStateProperty(inputState);
}
}
if (mDisabledChanged) {
nsPresState* state = GetPrimaryPresState();
if (state) {
// We do not want to save the real disabled state but the disabled
// attribute.
state->SetDisabled(HasAttr(kNameSpaceID_None, nsGkAtoms::disabled));
}
}
return NS_OK;
}
void
HTMLInputElement::DoneCreatingElement()
{
mParserCreating = false;
//
// Restore state as needed. Note that disabled state applies to all control
// types.
//
bool restoredCheckedState =
!mInhibitRestoration && NS_SUCCEEDED(GenerateStateKey()) && RestoreFormControlState();
//
// If restore does not occur, we initialize .checked using the CHECKED
// property.
//
if (!restoredCheckedState && mShouldInitChecked) {
DoSetChecked(DefaultChecked(), false, true);
DoSetCheckedChanged(false, false);
}
// Sanitize the value.
if (GetValueMode() == VALUE_MODE_VALUE) {
nsAutoString aValue;
GetValue(aValue);
// TODO: What should we do if SetValueInternal fails? (The allocation
// may potentially be big, but most likely we've failed to allocate
// before the type change.)
SetValueInternal(aValue, nsTextEditorState::eSetValue_Internal);
}
mShouldInitChecked = false;
}
EventStates
HTMLInputElement::IntrinsicState() const
{
// If you add states here, and they're type-dependent, you need to add them
// to the type case in AfterSetAttr.
EventStates state = nsGenericHTMLFormElementWithState::IntrinsicState();
if (mType == NS_FORM_INPUT_CHECKBOX || mType == NS_FORM_INPUT_RADIO) {
// Check current checked state (:checked)
if (mChecked) {
state |= NS_EVENT_STATE_CHECKED;
}
// Check current indeterminate state (:indeterminate)
if (mType == NS_FORM_INPUT_CHECKBOX && mIndeterminate) {
state |= NS_EVENT_STATE_INDETERMINATE;
}
// Check whether we are the default checked element (:default)
if (DefaultChecked()) {
state |= NS_EVENT_STATE_DEFAULT;
}
} else if (mType == NS_FORM_INPUT_IMAGE) {
state |= nsImageLoadingContent::ImageState();
}
if (DoesRequiredApply() && HasAttr(kNameSpaceID_None, nsGkAtoms::required)) {
state |= NS_EVENT_STATE_REQUIRED;
} else {
state |= NS_EVENT_STATE_OPTIONAL;
}
if (IsCandidateForConstraintValidation()) {
if (IsValid()) {
state |= NS_EVENT_STATE_VALID;
} else {
state |= NS_EVENT_STATE_INVALID;
if ((!mForm || !mForm->HasAttr(kNameSpaceID_None, nsGkAtoms::novalidate)) &&
(GetValidityState(VALIDITY_STATE_CUSTOM_ERROR) ||
(mCanShowInvalidUI && ShouldShowValidityUI()))) {
state |= NS_EVENT_STATE_MOZ_UI_INVALID;
}
}
// :-moz-ui-valid applies if all of the following conditions are true:
// 1. The element is not focused, or had either :-moz-ui-valid or
// :-moz-ui-invalid applying before it was focused ;
// 2. The element is either valid or isn't allowed to have
// :-moz-ui-invalid applying ;
// 3. The element has no form owner or its form owner doesn't have the
// novalidate attribute set ;
// 4. The element has already been modified or the user tried to submit the
// form owner while invalid.
if ((!mForm || !mForm->HasAttr(kNameSpaceID_None, nsGkAtoms::novalidate)) &&
(mCanShowValidUI && ShouldShowValidityUI() &&
(IsValid() || (!state.HasState(NS_EVENT_STATE_MOZ_UI_INVALID) &&
!mCanShowInvalidUI)))) {
state |= NS_EVENT_STATE_MOZ_UI_VALID;
}
}
if (mForm && !mForm->GetValidity() && IsSubmitControl()) {
state |= NS_EVENT_STATE_MOZ_SUBMITINVALID;
}
// :in-range and :out-of-range only apply if the element currently has a range.
if (mHasRange) {
state |= (GetValidityState(VALIDITY_STATE_RANGE_OVERFLOW) ||
GetValidityState(VALIDITY_STATE_RANGE_UNDERFLOW))
? NS_EVENT_STATE_OUTOFRANGE
: NS_EVENT_STATE_INRANGE;
}
return state;
}
void
HTMLInputElement::AddStates(EventStates aStates)
{
if (mType == NS_FORM_INPUT_TEXT) {
EventStates focusStates(aStates & (NS_EVENT_STATE_FOCUS |
NS_EVENT_STATE_FOCUSRING));
if (!focusStates.IsEmpty()) {
HTMLInputElement* ownerNumberControl = GetOwnerNumberControl();
if (ownerNumberControl) {
ownerNumberControl->AddStates(focusStates);
}
}
}
nsGenericHTMLFormElementWithState::AddStates(aStates);
}
void
HTMLInputElement::RemoveStates(EventStates aStates)
{
if (mType == NS_FORM_INPUT_TEXT) {
EventStates focusStates(aStates & (NS_EVENT_STATE_FOCUS |
NS_EVENT_STATE_FOCUSRING));
if (!focusStates.IsEmpty()) {
HTMLInputElement* ownerNumberControl = GetOwnerNumberControl();
if (ownerNumberControl) {
ownerNumberControl->RemoveStates(focusStates);
}
}
}
nsGenericHTMLFormElementWithState::RemoveStates(aStates);
}
bool
HTMLInputElement::RestoreState(nsPresState* aState)
{
bool restoredCheckedState = false;
nsCOMPtr<HTMLInputElementState> inputState
(do_QueryInterface(aState->GetStateProperty()));
if (inputState) {
switch (GetValueMode()) {
case VALUE_MODE_DEFAULT_ON:
if (inputState->IsCheckedSet()) {
restoredCheckedState = true;
DoSetChecked(inputState->GetChecked(), true, true);
}
break;
case VALUE_MODE_FILENAME:
{
const nsTArray<RefPtr<BlobImpl>>& blobImpls = inputState->GetBlobImpls();
nsCOMPtr<nsIGlobalObject> global = OwnerDoc()->GetScopeObject();
MOZ_ASSERT(global);
nsTArray<RefPtr<File>> files;
for (uint32_t i = 0, len = blobImpls.Length(); i < len; ++i) {
RefPtr<File> file = File::Create(global, blobImpls[i]);
MOZ_ASSERT(file);
files.AppendElement(file);
}
SetFiles(files, true);
}
break;
case VALUE_MODE_VALUE:
case VALUE_MODE_DEFAULT:
if (GetValueMode() == VALUE_MODE_DEFAULT &&
mType != NS_FORM_INPUT_HIDDEN) {
break;
}
// TODO: What should we do if SetValueInternal fails? (The allocation
// may potentially be big, but most likely we've failed to allocate
// before the type change.)
SetValueInternal(inputState->GetValue(),
nsTextEditorState::eSetValue_Notify);
break;
}
}
if (aState->IsDisabledSet()) {
SetDisabled(aState->GetDisabled());
}
return restoredCheckedState;
}
bool
HTMLInputElement::AllowDrop()
{
// Allow drop on anything other than file inputs.
return mType != NS_FORM_INPUT_FILE;
}
/*
* Radio group stuff
*/
void
HTMLInputElement::AddedToRadioGroup()
{
// If the element is neither in a form nor a document, there is no group so we
// should just stop here.
if (!mForm && !IsInDoc()) {
return;
}
// Make sure not to notify if we're still being created by the parser
bool notify = !mParserCreating;
//
// If the input element is checked, and we add it to the group, it will
// deselect whatever is currently selected in that group
//
if (mChecked) {
//
// If it is checked, call "RadioSetChecked" to perform the selection/
// deselection ritual. This has the side effect of repainting the
// radio button, but as adding a checked radio button into the group
// should not be that common an occurrence, I think we can live with
// that.
//
RadioSetChecked(notify);
}
//
// For integrity purposes, we have to ensure that "checkedChanged" is
// the same for this new element as for all the others in the group
//
bool checkedChanged = mCheckedChanged;
nsCOMPtr<nsIRadioVisitor> visitor =
new nsRadioGetCheckedChangedVisitor(&checkedChanged, this);
VisitGroup(visitor, notify);
SetCheckedChangedInternal(checkedChanged);
//
// Add the radio to the radio group container.
//
nsCOMPtr<nsIRadioGroupContainer> container = GetRadioGroupContainer();
if (container) {
nsAutoString name;
GetAttr(kNameSpaceID_None, nsGkAtoms::name, name);
container->AddToRadioGroup(name, static_cast<nsIFormControl*>(this));
// We initialize the validity of the element to the validity of the group
// because we assume UpdateValueMissingState() will be called after.
SetValidityState(VALIDITY_STATE_VALUE_MISSING,
container->GetValueMissingState(name));
}
}
void
HTMLInputElement::WillRemoveFromRadioGroup()
{
nsIRadioGroupContainer* container = GetRadioGroupContainer();
if (!container) {
return;
}
nsAutoString name;
GetAttr(kNameSpaceID_None, nsGkAtoms::name, name);
// If this button was checked, we need to notify the group that there is no
// longer a selected radio button
if (mChecked) {
container->SetCurrentRadioButton(name, nullptr);
}
// Remove this radio from its group in the container.
// We need to call UpdateValueMissingValidityStateForRadio before to make sure
// the group validity is updated (with this element being ignored).
UpdateValueMissingValidityStateForRadio(true);
container->RemoveFromRadioGroup(name, static_cast<nsIFormControl*>(this));
}
bool
HTMLInputElement::IsHTMLFocusable(bool aWithMouse, bool* aIsFocusable, int32_t* aTabIndex)
{
if (nsGenericHTMLFormElementWithState::IsHTMLFocusable(aWithMouse, aIsFocusable,
aTabIndex))
{
return true;
}
if (IsDisabled()) {
*aIsFocusable = false;
return true;
}
if (IsSingleLineTextControl(false) ||
mType == NS_FORM_INPUT_RANGE) {
*aIsFocusable = true;
return false;
}
#ifdef XP_MACOSX
const bool defaultFocusable = !aWithMouse || nsFocusManager::sMouseFocusesFormControl;
#else
const bool defaultFocusable = true;
#endif
if (mType == NS_FORM_INPUT_FILE ||
mType == NS_FORM_INPUT_NUMBER) {
if (aTabIndex) {
// We only want our native anonymous child to be tabable to, not ourself.
*aTabIndex = -1;
}
if (mType == NS_FORM_INPUT_NUMBER) {
*aIsFocusable = true;
} else {
*aIsFocusable = defaultFocusable;
}
return true;
}
if (mType == NS_FORM_INPUT_HIDDEN) {
if (aTabIndex) {
*aTabIndex = -1;
}
*aIsFocusable = false;
return false;
}
if (!aTabIndex) {
// The other controls are all focusable
*aIsFocusable = defaultFocusable;
return false;
}
if (mType != NS_FORM_INPUT_RADIO) {
*aIsFocusable = defaultFocusable;
return false;
}
if (mChecked) {
// Selected radio buttons are tabbable
*aIsFocusable = defaultFocusable;
return false;
}
// Current radio button is not selected.
// But make it tabbable if nothing in group is selected.
nsIRadioGroupContainer* container = GetRadioGroupContainer();
if (!container) {
*aIsFocusable = defaultFocusable;
return false;
}
nsAutoString name;
GetAttr(kNameSpaceID_None, nsGkAtoms::name, name);
if (container->GetCurrentRadioButton(name)) {
*aTabIndex = -1;
}
*aIsFocusable = defaultFocusable;
return false;
}
nsresult
HTMLInputElement::VisitGroup(nsIRadioVisitor* aVisitor, bool aFlushContent)
{
nsIRadioGroupContainer* container = GetRadioGroupContainer();
if (container) {
nsAutoString name;
GetAttr(kNameSpaceID_None, nsGkAtoms::name, name);
return container->WalkRadioGroup(name, aVisitor, aFlushContent);
}
aVisitor->Visit(this);
return NS_OK;
}
HTMLInputElement::ValueModeType
HTMLInputElement::GetValueMode() const
{
switch (mType)
{
case NS_FORM_INPUT_HIDDEN:
case NS_FORM_INPUT_SUBMIT:
case NS_FORM_INPUT_BUTTON:
case NS_FORM_INPUT_RESET:
case NS_FORM_INPUT_IMAGE:
return VALUE_MODE_DEFAULT;
case NS_FORM_INPUT_CHECKBOX:
case NS_FORM_INPUT_RADIO:
return VALUE_MODE_DEFAULT_ON;
case NS_FORM_INPUT_FILE:
return VALUE_MODE_FILENAME;
#ifdef DEBUG
case NS_FORM_INPUT_TEXT:
case NS_FORM_INPUT_PASSWORD:
case NS_FORM_INPUT_SEARCH:
case NS_FORM_INPUT_TEL:
case NS_FORM_INPUT_EMAIL:
case NS_FORM_INPUT_URL:
case NS_FORM_INPUT_NUMBER:
case NS_FORM_INPUT_RANGE:
case NS_FORM_INPUT_DATE:
case NS_FORM_INPUT_TIME:
case NS_FORM_INPUT_COLOR:
return VALUE_MODE_VALUE;
default:
NS_NOTYETIMPLEMENTED("Unexpected input type in GetValueMode()");
return VALUE_MODE_VALUE;
#else // DEBUG
default:
return VALUE_MODE_VALUE;
#endif // DEBUG
}
}
bool
HTMLInputElement::IsMutable() const
{
return !IsDisabled() &&
!(DoesReadOnlyApply() &&
HasAttr(kNameSpaceID_None, nsGkAtoms::readonly));
}
bool
HTMLInputElement::DoesReadOnlyApply() const
{
switch (mType)
{
case NS_FORM_INPUT_HIDDEN:
case NS_FORM_INPUT_BUTTON:
case NS_FORM_INPUT_IMAGE:
case NS_FORM_INPUT_RESET:
case NS_FORM_INPUT_SUBMIT:
case NS_FORM_INPUT_RADIO:
case NS_FORM_INPUT_FILE:
case NS_FORM_INPUT_CHECKBOX:
case NS_FORM_INPUT_RANGE:
case NS_FORM_INPUT_COLOR:
return false;
#ifdef DEBUG
case NS_FORM_INPUT_TEXT:
case NS_FORM_INPUT_PASSWORD:
case NS_FORM_INPUT_SEARCH:
case NS_FORM_INPUT_TEL:
case NS_FORM_INPUT_EMAIL:
case NS_FORM_INPUT_URL:
case NS_FORM_INPUT_NUMBER:
case NS_FORM_INPUT_DATE:
case NS_FORM_INPUT_TIME:
return true;
default:
NS_NOTYETIMPLEMENTED("Unexpected input type in DoesReadOnlyApply()");
return true;
#else // DEBUG
default:
return true;
#endif // DEBUG
}
}
bool
HTMLInputElement::DoesRequiredApply() const
{
switch (mType)
{
case NS_FORM_INPUT_HIDDEN:
case NS_FORM_INPUT_BUTTON:
case NS_FORM_INPUT_IMAGE:
case NS_FORM_INPUT_RESET:
case NS_FORM_INPUT_SUBMIT:
case NS_FORM_INPUT_RANGE:
case NS_FORM_INPUT_COLOR:
return false;
#ifdef DEBUG
case NS_FORM_INPUT_RADIO:
case NS_FORM_INPUT_CHECKBOX:
case NS_FORM_INPUT_FILE:
case NS_FORM_INPUT_TEXT:
case NS_FORM_INPUT_PASSWORD:
case NS_FORM_INPUT_SEARCH:
case NS_FORM_INPUT_TEL:
case NS_FORM_INPUT_EMAIL:
case NS_FORM_INPUT_URL:
case NS_FORM_INPUT_NUMBER:
case NS_FORM_INPUT_DATE:
case NS_FORM_INPUT_TIME:
return true;
default:
NS_NOTYETIMPLEMENTED("Unexpected input type in DoesRequiredApply()");
return true;
#else // DEBUG
default:
return true;
#endif // DEBUG
}
}
bool
HTMLInputElement::PlaceholderApplies() const
{
if (mType == NS_FORM_INPUT_DATE ||
mType == NS_FORM_INPUT_TIME) {
return false;
}
return IsSingleLineTextControl(false);
}
bool
HTMLInputElement::DoesPatternApply() const
{
// TODO: temporary until bug 773205 is fixed.
if (IsExperimentalMobileType(mType)) {
return false;
}
return IsSingleLineTextControl(false);
}
bool
HTMLInputElement::DoesMinMaxApply() const
{
switch (mType)
{
case NS_FORM_INPUT_NUMBER:
case NS_FORM_INPUT_DATE:
case NS_FORM_INPUT_TIME:
case NS_FORM_INPUT_RANGE:
// TODO:
// All date/time types.
return true;
#ifdef DEBUG
case NS_FORM_INPUT_RESET:
case NS_FORM_INPUT_SUBMIT:
case NS_FORM_INPUT_IMAGE:
case NS_FORM_INPUT_BUTTON:
case NS_FORM_INPUT_HIDDEN:
case NS_FORM_INPUT_RADIO:
case NS_FORM_INPUT_CHECKBOX:
case NS_FORM_INPUT_FILE:
case NS_FORM_INPUT_TEXT:
case NS_FORM_INPUT_PASSWORD:
case NS_FORM_INPUT_SEARCH:
case NS_FORM_INPUT_TEL:
case NS_FORM_INPUT_EMAIL:
case NS_FORM_INPUT_URL:
case NS_FORM_INPUT_COLOR:
return false;
default:
NS_NOTYETIMPLEMENTED("Unexpected input type in DoesRequiredApply()");
return false;
#else // DEBUG
default:
return false;
#endif // DEBUG
}
}
bool
HTMLInputElement::DoesAutocompleteApply() const
{
switch (mType)
{
case NS_FORM_INPUT_HIDDEN:
case NS_FORM_INPUT_TEXT:
case NS_FORM_INPUT_SEARCH:
case NS_FORM_INPUT_URL:
case NS_FORM_INPUT_TEL:
case NS_FORM_INPUT_EMAIL:
case NS_FORM_INPUT_PASSWORD:
case NS_FORM_INPUT_DATE:
case NS_FORM_INPUT_TIME:
case NS_FORM_INPUT_NUMBER:
case NS_FORM_INPUT_RANGE:
case NS_FORM_INPUT_COLOR:
return true;
#ifdef DEBUG
case NS_FORM_INPUT_RESET:
case NS_FORM_INPUT_SUBMIT:
case NS_FORM_INPUT_IMAGE:
case NS_FORM_INPUT_BUTTON:
case NS_FORM_INPUT_RADIO:
case NS_FORM_INPUT_CHECKBOX:
case NS_FORM_INPUT_FILE:
return false;
default:
NS_NOTYETIMPLEMENTED("Unexpected input type in DoesAutocompleteApply()");
return false;
#else // DEBUG
default:
return false;
#endif // DEBUG
}
}
Decimal
HTMLInputElement::GetStep() const
{
MOZ_ASSERT(DoesStepApply(), "GetStep() can only be called if @step applies");
if (!HasAttr(kNameSpaceID_None, nsGkAtoms::step)) {
return GetDefaultStep() * GetStepScaleFactor();
}
nsAutoString stepStr;
GetAttr(kNameSpaceID_None, nsGkAtoms::step, stepStr);
if (stepStr.LowerCaseEqualsLiteral("any")) {
// The element can't suffer from step mismatch if there is no step.
return kStepAny;
}
Decimal step = StringToDecimal(stepStr);
if (!step.isFinite() || step <= Decimal(0)) {
step = GetDefaultStep();
}
return step * GetStepScaleFactor();
}
// nsIConstraintValidation
NS_IMETHODIMP
HTMLInputElement::SetCustomValidity(const nsAString& aError)
{
nsIConstraintValidation::SetCustomValidity(aError);
UpdateState(true);
return NS_OK;
}
bool
HTMLInputElement::IsTooLong()
{
if (!MaxLengthApplies() ||
!HasAttr(kNameSpaceID_None, nsGkAtoms::maxlength) ||
!mValueChanged) {
return false;
}
int32_t maxLength = MaxLength();
// Maxlength of -1 means parsing error.
if (maxLength == -1) {
return false;
}
int32_t textLength = -1;
GetTextLength(&textLength);
return textLength > maxLength;
}
bool
HTMLInputElement::IsValueMissing() const
{
// Should use UpdateValueMissingValidityStateForRadio() for type radio.
MOZ_ASSERT(mType != NS_FORM_INPUT_RADIO);
if (!HasAttr(kNameSpaceID_None, nsGkAtoms::required) ||
!DoesRequiredApply()) {
return false;
}
if (!IsMutable()) {
return false;
}
switch (GetValueMode()) {
case VALUE_MODE_VALUE:
return IsValueEmpty();
case VALUE_MODE_FILENAME:
{
const nsTArray<RefPtr<File>>& files = GetFilesInternal();
return files.IsEmpty();
}
case VALUE_MODE_DEFAULT_ON:
// This should not be used for type radio.
// See the MOZ_ASSERT at the beginning of the method.
return !mChecked;
case VALUE_MODE_DEFAULT:
default:
return false;
}
}
bool
HTMLInputElement::HasTypeMismatch() const
{
if (mType != NS_FORM_INPUT_EMAIL && mType != NS_FORM_INPUT_URL) {
return false;
}
nsAutoString value;
NS_ENSURE_SUCCESS(GetValueInternal(value), false);
if (value.IsEmpty()) {
return false;
}
if (mType == NS_FORM_INPUT_EMAIL) {
return HasAttr(kNameSpaceID_None, nsGkAtoms::multiple)
? !IsValidEmailAddressList(value) : !IsValidEmailAddress(value);
} else if (mType == NS_FORM_INPUT_URL) {
/**
* TODO:
* The URL is not checked as the HTML5 specifications want it to be because
* there is no code to check for a valid URI/IRI according to 3986 and 3987
* RFC's at the moment, see bug 561586.
*
* RFC 3987 (IRI) implementation: bug 42899
*
* HTML5 specifications:
* http://dev.w3.org/html5/spec/infrastructure.html#valid-url
*/
nsCOMPtr<nsIIOService> ioService = do_GetIOService();
nsCOMPtr<nsIURI> uri;
return !NS_SUCCEEDED(ioService->NewURI(NS_ConvertUTF16toUTF8(value), nullptr,
nullptr, getter_AddRefs(uri)));
}
return false;
}
bool
HTMLInputElement::HasPatternMismatch() const
{
if (!DoesPatternApply() ||
!HasAttr(kNameSpaceID_None, nsGkAtoms::pattern)) {
return false;
}
nsAutoString pattern;
GetAttr(kNameSpaceID_None, nsGkAtoms::pattern, pattern);
nsAutoString value;
NS_ENSURE_SUCCESS(GetValueInternal(value), false);
if (value.IsEmpty()) {
return false;
}
nsIDocument* doc = OwnerDoc();
return !nsContentUtils::IsPatternMatching(value, pattern, doc);
}
bool
HTMLInputElement::IsRangeOverflow() const
{
if (!DoesMinMaxApply()) {
return false;
}
Decimal maximum = GetMaximum();
if (maximum.isNaN()) {
return false;
}
Decimal value = GetValueAsDecimal();
if (value.isNaN()) {
return false;
}
return value > maximum;
}
bool
HTMLInputElement::IsRangeUnderflow() const
{
if (!DoesMinMaxApply()) {
return false;
}
Decimal minimum = GetMinimum();
if (minimum.isNaN()) {
return false;
}
Decimal value = GetValueAsDecimal();
if (value.isNaN()) {
return false;
}
return value < minimum;
}
bool
HTMLInputElement::HasStepMismatch(bool aUseZeroIfValueNaN) const
{
if (!DoesStepApply()) {
return false;
}
Decimal value = GetValueAsDecimal();
if (value.isNaN()) {
if (aUseZeroIfValueNaN) {
value = Decimal(0);
} else {
// The element can't suffer from step mismatch if it's value isn't a number.
return false;
}
}
Decimal step = GetStep();
if (step == kStepAny) {
return false;
}
// Value has to be an integral multiple of step.
return NS_floorModulo(value - GetStepBase(), step) != Decimal(0);
}
/**
* Takes aEmail and attempts to convert everything after the first "@"
* character (if anything) to punycode before returning the complete result via
* the aEncodedEmail out-param. The aIndexOfAt out-param is set to the index of
* the "@" character.
*
* If no "@" is found in aEmail, aEncodedEmail is simply set to aEmail and
* the aIndexOfAt out-param is set to kNotFound.
*
* Returns true in all cases unless an attempt to punycode encode fails. If
* false is returned, aEncodedEmail has not been set.
*
* This function exists because ConvertUTF8toACE() splits on ".", meaning that
* for 'user.name@sld.tld' it would treat "name@sld" as a label. We want to
* encode the domain part only.
*/
static bool PunycodeEncodeEmailAddress(const nsAString& aEmail,
nsAutoCString& aEncodedEmail,
uint32_t* aIndexOfAt)
{
nsAutoCString value = NS_ConvertUTF16toUTF8(aEmail);
*aIndexOfAt = (uint32_t)value.FindChar('@');
if (*aIndexOfAt == (uint32_t)kNotFound ||
*aIndexOfAt == value.Length() - 1) {
aEncodedEmail = value;
return true;
}
nsCOMPtr<nsIIDNService> idnSrv = do_GetService(NS_IDNSERVICE_CONTRACTID);
if (!idnSrv) {
NS_ERROR("nsIIDNService isn't present!");
return false;
}
uint32_t indexOfDomain = *aIndexOfAt + 1;
const nsDependentCSubstring domain = Substring(value, indexOfDomain);
bool ace;
if (NS_SUCCEEDED(idnSrv->IsACE(domain, &ace)) && !ace) {
nsAutoCString domainACE;
if (NS_FAILED(idnSrv->ConvertUTF8toACE(domain, domainACE))) {
return false;
}
value.Replace(indexOfDomain, domain.Length(), domainACE);
}
aEncodedEmail = value;
return true;
}
bool
HTMLInputElement::HasBadInput() const
{
if (mType == NS_FORM_INPUT_NUMBER) {
nsAutoString value;
GetValueInternal(value);
if (!value.IsEmpty()) {
// The input can't be bad, otherwise it would have been sanitized to the
// empty string.
NS_ASSERTION(!GetValueAsDecimal().isNaN(), "Should have sanitized");
return false;
}
nsNumberControlFrame* numberControlFrame =
do_QueryFrame(GetPrimaryFrame());
if (numberControlFrame &&
!numberControlFrame->AnonTextControlIsEmpty()) {
// The input the user entered failed to parse as a number.
return true;
}
return false;
}
if (mType == NS_FORM_INPUT_EMAIL) {
// With regards to suffering from bad input the spec says that only the
// punycode conversion works, so we don't care whether the email address is
// valid or not here. (If the email address is invalid then we will be
// suffering from a type mismatch.)
nsAutoString value;
nsAutoCString unused;
uint32_t unused2;
NS_ENSURE_SUCCESS(GetValueInternal(value), false);
HTMLSplitOnSpacesTokenizer tokenizer(value, ',');
while (tokenizer.hasMoreTokens()) {
if (!PunycodeEncodeEmailAddress(tokenizer.nextToken(), unused, &unused2)) {
return true;
}
}
return false;
}
return false;
}
void
HTMLInputElement::UpdateTooLongValidityState()
{
// TODO: this code will be re-enabled with bug 613016 and bug 613019.
#if 0
SetValidityState(VALIDITY_STATE_TOO_LONG, IsTooLong());
#endif
}
void
HTMLInputElement::UpdateValueMissingValidityStateForRadio(bool aIgnoreSelf)
{
bool notify = !mParserCreating;
nsCOMPtr<nsIDOMHTMLInputElement> selection = GetSelectedRadioButton();
aIgnoreSelf = aIgnoreSelf || !IsMutable();
// If there is no selection, that might mean the radio is not in a group.
// In that case, we can look for the checked state of the radio.
bool selected = selection || (!aIgnoreSelf && mChecked);
bool required = !aIgnoreSelf && HasAttr(kNameSpaceID_None, nsGkAtoms::required);
bool valueMissing = false;
nsCOMPtr<nsIRadioGroupContainer> container = GetRadioGroupContainer();
if (!container) {
SetValidityState(VALIDITY_STATE_VALUE_MISSING,
IsMutable() && required && !selected);
return;
}
nsAutoString name;
GetAttr(kNameSpaceID_None, nsGkAtoms::name, name);
// If the current radio is required and not ignored, we can assume the entire
// group is required.
if (!required) {
required = (aIgnoreSelf && HasAttr(kNameSpaceID_None, nsGkAtoms::required))
? container->GetRequiredRadioCount(name) - 1
: container->GetRequiredRadioCount(name);
}
valueMissing = required && !selected;
if (container->GetValueMissingState(name) != valueMissing) {
container->SetValueMissingState(name, valueMissing);
SetValidityState(VALIDITY_STATE_VALUE_MISSING, valueMissing);
// nsRadioSetValueMissingState will call ContentStateChanged while visiting.
nsAutoScriptBlocker scriptBlocker;
nsCOMPtr<nsIRadioVisitor> visitor =
new nsRadioSetValueMissingState(this, valueMissing, notify);
VisitGroup(visitor, notify);
}
}
void
HTMLInputElement::UpdateValueMissingValidityState()
{
if (mType == NS_FORM_INPUT_RADIO) {
UpdateValueMissingValidityStateForRadio(false);
return;
}
SetValidityState(VALIDITY_STATE_VALUE_MISSING, IsValueMissing());
}
void
HTMLInputElement::UpdateTypeMismatchValidityState()
{
SetValidityState(VALIDITY_STATE_TYPE_MISMATCH, HasTypeMismatch());
}
void
HTMLInputElement::UpdatePatternMismatchValidityState()
{
SetValidityState(VALIDITY_STATE_PATTERN_MISMATCH, HasPatternMismatch());
}
void
HTMLInputElement::UpdateRangeOverflowValidityState()
{
SetValidityState(VALIDITY_STATE_RANGE_OVERFLOW, IsRangeOverflow());
}
void
HTMLInputElement::UpdateRangeUnderflowValidityState()
{
SetValidityState(VALIDITY_STATE_RANGE_UNDERFLOW, IsRangeUnderflow());
}
void
HTMLInputElement::UpdateStepMismatchValidityState()
{
SetValidityState(VALIDITY_STATE_STEP_MISMATCH, HasStepMismatch());
}
void
HTMLInputElement::UpdateBadInputValidityState()
{
SetValidityState(VALIDITY_STATE_BAD_INPUT, HasBadInput());
}
void
HTMLInputElement::UpdateAllValidityStates(bool aNotify)
{
bool validBefore = IsValid();
UpdateTooLongValidityState();
UpdateValueMissingValidityState();
UpdateTypeMismatchValidityState();
UpdatePatternMismatchValidityState();
UpdateRangeOverflowValidityState();
UpdateRangeUnderflowValidityState();
UpdateStepMismatchValidityState();
UpdateBadInputValidityState();
if (validBefore != IsValid()) {
UpdateState(aNotify);
}
}
void
HTMLInputElement::UpdateBarredFromConstraintValidation()
{
SetBarredFromConstraintValidation(mType == NS_FORM_INPUT_HIDDEN ||
mType == NS_FORM_INPUT_BUTTON ||
mType == NS_FORM_INPUT_RESET ||
HasAttr(kNameSpaceID_None, nsGkAtoms::readonly) ||
IsDisabled());
}
void
HTMLInputElement::GetValidationMessage(nsAString& aValidationMessage,
ErrorResult& aRv)
{
aRv = GetValidationMessage(aValidationMessage);
}
nsresult
HTMLInputElement::GetValidationMessage(nsAString& aValidationMessage,
ValidityStateType aType)
{
nsresult rv = NS_OK;
switch (aType)
{
case VALIDITY_STATE_TOO_LONG:
{
nsXPIDLString message;
int32_t maxLength = MaxLength();
int32_t textLength = -1;
nsAutoString strMaxLength;
nsAutoString strTextLength;
GetTextLength(&textLength);
strMaxLength.AppendInt(maxLength);
strTextLength.AppendInt(textLength);
const char16_t* params[] = { strMaxLength.get(), strTextLength.get() };
rv = nsContentUtils::FormatLocalizedString(nsContentUtils::eDOM_PROPERTIES,
"FormValidationTextTooLong",
params, message);
aValidationMessage = message;
break;
}
case VALIDITY_STATE_VALUE_MISSING:
{
nsXPIDLString message;
nsAutoCString key;
switch (mType)
{
case NS_FORM_INPUT_FILE:
key.AssignLiteral("FormValidationFileMissing");
break;
case NS_FORM_INPUT_CHECKBOX:
key.AssignLiteral("FormValidationCheckboxMissing");
break;
case NS_FORM_INPUT_RADIO:
key.AssignLiteral("FormValidationRadioMissing");
break;
case NS_FORM_INPUT_NUMBER:
key.AssignLiteral("FormValidationBadInputNumber");
break;
default:
key.AssignLiteral("FormValidationValueMissing");
}
rv = nsContentUtils::GetLocalizedString(nsContentUtils::eDOM_PROPERTIES,
key.get(), message);
aValidationMessage = message;
break;
}
case VALIDITY_STATE_TYPE_MISMATCH:
{
nsXPIDLString message;
nsAutoCString key;
if (mType == NS_FORM_INPUT_EMAIL) {
key.AssignLiteral("FormValidationInvalidEmail");
} else if (mType == NS_FORM_INPUT_URL) {
key.AssignLiteral("FormValidationInvalidURL");
} else {
return NS_ERROR_UNEXPECTED;
}
rv = nsContentUtils::GetLocalizedString(nsContentUtils::eDOM_PROPERTIES,
key.get(), message);
aValidationMessage = message;
break;
}
case VALIDITY_STATE_PATTERN_MISMATCH:
{
nsXPIDLString message;
nsAutoString title;
GetAttr(kNameSpaceID_None, nsGkAtoms::title, title);
if (title.IsEmpty()) {
rv = nsContentUtils::GetLocalizedString(nsContentUtils::eDOM_PROPERTIES,
"FormValidationPatternMismatch",
message);
} else {
if (title.Length() > nsIConstraintValidation::sContentSpecifiedMaxLengthMessage) {
title.Truncate(nsIConstraintValidation::sContentSpecifiedMaxLengthMessage);
}
const char16_t* params[] = { title.get() };
rv = nsContentUtils::FormatLocalizedString(nsContentUtils::eDOM_PROPERTIES,
"FormValidationPatternMismatchWithTitle",
params, message);
}
aValidationMessage = message;
break;
}
case VALIDITY_STATE_RANGE_OVERFLOW:
{
static const char kNumberOverTemplate[] = "FormValidationNumberRangeOverflow";
static const char kDateOverTemplate[] = "FormValidationDateRangeOverflow";
static const char kTimeOverTemplate[] = "FormValidationTimeRangeOverflow";
const char* msgTemplate;
nsXPIDLString message;
nsAutoString maxStr;
if (mType == NS_FORM_INPUT_NUMBER ||
mType == NS_FORM_INPUT_RANGE) {
msgTemplate = kNumberOverTemplate;
//We want to show the value as parsed when it's a number
Decimal maximum = GetMaximum();
MOZ_ASSERT(!maximum.isNaN());
char buf[32];
DebugOnly<bool> ok = maximum.toString(buf, ArrayLength(buf));
maxStr.AssignASCII(buf);
MOZ_ASSERT(ok, "buf not big enough");
} else if (mType == NS_FORM_INPUT_DATE || mType == NS_FORM_INPUT_TIME) {
msgTemplate = mType == NS_FORM_INPUT_DATE ? kDateOverTemplate : kTimeOverTemplate;
GetAttr(kNameSpaceID_None, nsGkAtoms::max, maxStr);
} else {
msgTemplate = kNumberOverTemplate;
NS_NOTREACHED("Unexpected input type");
}
const char16_t* params[] = { maxStr.get() };
rv = nsContentUtils::FormatLocalizedString(nsContentUtils::eDOM_PROPERTIES,
msgTemplate,
params, message);
aValidationMessage = message;
break;
}
case VALIDITY_STATE_RANGE_UNDERFLOW:
{
static const char kNumberUnderTemplate[] = "FormValidationNumberRangeUnderflow";
static const char kDateUnderTemplate[] = "FormValidationDateRangeUnderflow";
static const char kTimeUnderTemplate[] = "FormValidationTimeRangeUnderflow";
const char* msgTemplate;
nsXPIDLString message;
nsAutoString minStr;
if (mType == NS_FORM_INPUT_NUMBER ||
mType == NS_FORM_INPUT_RANGE) {
msgTemplate = kNumberUnderTemplate;
Decimal minimum = GetMinimum();
MOZ_ASSERT(!minimum.isNaN());
char buf[32];
DebugOnly<bool> ok = minimum.toString(buf, ArrayLength(buf));
minStr.AssignASCII(buf);
MOZ_ASSERT(ok, "buf not big enough");
} else if (mType == NS_FORM_INPUT_DATE || mType == NS_FORM_INPUT_TIME) {
msgTemplate = mType == NS_FORM_INPUT_DATE ? kDateUnderTemplate : kTimeUnderTemplate;
GetAttr(kNameSpaceID_None, nsGkAtoms::min, minStr);
} else {
msgTemplate = kNumberUnderTemplate;
NS_NOTREACHED("Unexpected input type");
}
const char16_t* params[] = { minStr.get() };
rv = nsContentUtils::FormatLocalizedString(nsContentUtils::eDOM_PROPERTIES,
msgTemplate,
params, message);
aValidationMessage = message;
break;
}
case VALIDITY_STATE_STEP_MISMATCH:
{
nsXPIDLString message;
Decimal value = GetValueAsDecimal();
MOZ_ASSERT(!value.isNaN());
Decimal step = GetStep();
MOZ_ASSERT(step != kStepAny && step > Decimal(0));
// In case this is a date and the step is not an integer, we don't want to
// display the dates corresponding to the truncated timestamps of valueLow
// and valueHigh because they might suffer from a step mismatch as well.
// Instead we want the timestamps to correspond to a rounded day. That is,
// we want a multiple of the step scale factor (1 day) as well as of step.
if (mType == NS_FORM_INPUT_DATE) {
step = EuclidLCM<Decimal>(step.floor(),
GetStepScaleFactor().floor());
}
Decimal stepBase = GetStepBase();
Decimal valueLow = value - NS_floorModulo(value - stepBase, step);
Decimal valueHigh = value + step - NS_floorModulo(value - stepBase, step);
Decimal maximum = GetMaximum();
if (maximum.isNaN() || valueHigh <= maximum) {
nsAutoString valueLowStr, valueHighStr;
ConvertNumberToString(valueLow, valueLowStr);
ConvertNumberToString(valueHigh, valueHighStr);
if (valueLowStr.Equals(valueHighStr)) {
const char16_t* params[] = { valueLowStr.get() };
rv = nsContentUtils::FormatLocalizedString(nsContentUtils::eDOM_PROPERTIES,
"FormValidationStepMismatchOneValue",
params, message);
} else {
const char16_t* params[] = { valueLowStr.get(), valueHighStr.get() };
rv = nsContentUtils::FormatLocalizedString(nsContentUtils::eDOM_PROPERTIES,
"FormValidationStepMismatch",
params, message);
}
} else {
nsAutoString valueLowStr;
ConvertNumberToString(valueLow, valueLowStr);
const char16_t* params[] = { valueLowStr.get() };
rv = nsContentUtils::FormatLocalizedString(nsContentUtils::eDOM_PROPERTIES,
"FormValidationStepMismatchOneValue",
params, message);
}
aValidationMessage = message;
break;
}
case VALIDITY_STATE_BAD_INPUT:
{
nsXPIDLString message;
nsAutoCString key;
if (mType == NS_FORM_INPUT_NUMBER) {
key.AssignLiteral("FormValidationBadInputNumber");
} else if (mType == NS_FORM_INPUT_EMAIL) {
key.AssignLiteral("FormValidationInvalidEmail");
} else {
return NS_ERROR_UNEXPECTED;
}
rv = nsContentUtils::GetLocalizedString(nsContentUtils::eDOM_PROPERTIES,
key.get(), message);
aValidationMessage = message;
break;
}
default:
rv = nsIConstraintValidation::GetValidationMessage(aValidationMessage, aType);
}
return rv;
}
//static
bool
HTMLInputElement::IsValidEmailAddressList(const nsAString& aValue)
{
HTMLSplitOnSpacesTokenizer tokenizer(aValue, ',');
while (tokenizer.hasMoreTokens()) {
if (!IsValidEmailAddress(tokenizer.nextToken())) {
return false;
}
}
return !tokenizer.separatorAfterCurrentToken();
}
//static
bool
HTMLInputElement::IsValidEmailAddress(const nsAString& aValue)
{
// Email addresses can't be empty and can't end with a '.' or '-'.
if (aValue.IsEmpty() || aValue.Last() == '.' || aValue.Last() == '-') {
return false;
}
uint32_t atPos;
nsAutoCString value;
if (!PunycodeEncodeEmailAddress(aValue, value, &atPos) ||
atPos == (uint32_t)kNotFound || atPos == 0 || atPos == value.Length() - 1) {
// Could not encode, or "@" was not found, or it was at the start or end
// of the input - in all cases, not a valid email address.
return false;
}
uint32_t length = value.Length();
uint32_t i = 0;
// Parsing the username.
for (; i < atPos; ++i) {
char16_t c = value[i];
// The username characters have to be in this list to be valid.
if (!(nsCRT::IsAsciiAlpha(c) || nsCRT::IsAsciiDigit(c) ||
c == '.' || c == '!' || c == '#' || c == '$' || c == '%' ||
c == '&' || c == '\''|| c == '*' || c == '+' || c == '-' ||
c == '/' || c == '=' || c == '?' || c == '^' || c == '_' ||
c == '`' || c == '{' || c == '|' || c == '}' || c == '~' )) {
return false;
}
}
// Skip the '@'.
++i;
// The domain name can't begin with a dot or a dash.
if (value[i] == '.' || value[i] == '-') {
return false;
}
// Parsing the domain name.
for (; i < length; ++i) {
char16_t c = value[i];
if (c == '.') {
// A dot can't follow a dot or a dash.
if (value[i-1] == '.' || value[i-1] == '-') {
return false;
}
} else if (c == '-'){
// A dash can't follow a dot.
if (value[i-1] == '.') {
return false;
}
} else if (!(nsCRT::IsAsciiAlpha(c) || nsCRT::IsAsciiDigit(c) ||
c == '-')) {
// The domain characters have to be in this list to be valid.
return false;
}
}
return true;
}
NS_IMETHODIMP_(bool)
HTMLInputElement::IsSingleLineTextControl() const
{
return IsSingleLineTextControl(false);
}
NS_IMETHODIMP_(bool)
HTMLInputElement::IsTextArea() const
{
return false;
}
NS_IMETHODIMP_(bool)
HTMLInputElement::IsPlainTextControl() const
{
// need to check our HTML attribute and/or CSS.
return true;
}
NS_IMETHODIMP_(bool)
HTMLInputElement::IsPasswordTextControl() const
{
return mType == NS_FORM_INPUT_PASSWORD;
}
NS_IMETHODIMP_(int32_t)
HTMLInputElement::GetCols()
{
// Else we know (assume) it is an input with size attr
const nsAttrValue* attr = GetParsedAttr(nsGkAtoms::size);
if (attr && attr->Type() == nsAttrValue::eInteger) {
int32_t cols = attr->GetIntegerValue();
if (cols > 0) {
return cols;
}
}
return DEFAULT_COLS;
}
NS_IMETHODIMP_(int32_t)
HTMLInputElement::GetWrapCols()
{
return 0; // only textarea's can have wrap cols
}
NS_IMETHODIMP_(int32_t)
HTMLInputElement::GetRows()
{
return DEFAULT_ROWS;
}
NS_IMETHODIMP_(void)
HTMLInputElement::GetDefaultValueFromContent(nsAString& aValue)
{
nsTextEditorState *state = GetEditorState();
if (state) {
GetDefaultValue(aValue);
// This is called by the frame to show the value.
// We have to sanitize it when needed.
if (!mParserCreating) {
SanitizeValue(aValue);
}
}
}
NS_IMETHODIMP_(bool)
HTMLInputElement::ValueChanged() const
{
return mValueChanged;
}
NS_IMETHODIMP_(void)
HTMLInputElement::GetTextEditorValue(nsAString& aValue,
bool aIgnoreWrap) const
{
nsTextEditorState* state = GetEditorState();
if (state) {
state->GetValue(aValue, aIgnoreWrap);
}
}
NS_IMETHODIMP_(void)
HTMLInputElement::InitializeKeyboardEventListeners()
{
nsTextEditorState* state = GetEditorState();
if (state) {
state->InitializeKeyboardEventListeners();
}
}
NS_IMETHODIMP_(void)
HTMLInputElement::OnValueChanged(bool aNotify)
{
UpdateAllValidityStates(aNotify);
if (HasDirAuto()) {
SetDirectionIfAuto(true, aNotify);
}
}
NS_IMETHODIMP_(bool)
HTMLInputElement::HasCachedSelection()
{
bool isCached = false;
nsTextEditorState* state = GetEditorState();
if (state) {
isCached = state->IsSelectionCached() &&
state->HasNeverInitializedBefore() &&
!state->GetSelectionProperties().IsDefault();
if (isCached) {
state->WillInitEagerly();
}
}
return isCached;
}
void
HTMLInputElement::FieldSetDisabledChanged(bool aNotify)
{
UpdateValueMissingValidityState();
UpdateBarredFromConstraintValidation();
nsGenericHTMLFormElementWithState::FieldSetDisabledChanged(aNotify);
}
void
HTMLInputElement::SetFilePickerFiltersFromAccept(nsIFilePicker* filePicker)
{
// We always add |filterAll|
filePicker->AppendFilters(nsIFilePicker::filterAll);
NS_ASSERTION(HasAttr(kNameSpaceID_None, nsGkAtoms::accept),
"You should not call SetFilePickerFiltersFromAccept if the"
" element has no accept attribute!");
// Services to retrieve image/*, audio/*, video/* filters
nsCOMPtr<nsIStringBundleService> stringService =
mozilla::services::GetStringBundleService();
if (!stringService) {
return;
}
nsCOMPtr<nsIStringBundle> filterBundle;
if (NS_FAILED(stringService->CreateBundle("chrome://global/content/filepicker.properties",
getter_AddRefs(filterBundle)))) {
return;
}
// Service to retrieve mime type information for mime types filters
nsCOMPtr<nsIMIMEService> mimeService = do_GetService("@mozilla.org/mime;1");
if (!mimeService) {
return;
}
nsAutoString accept;
GetAttr(kNameSpaceID_None, nsGkAtoms::accept, accept);
HTMLSplitOnSpacesTokenizer tokenizer(accept, ',');
nsTArray<nsFilePickerFilter> filters;
nsString allExtensionsList;
bool allMimeTypeFiltersAreValid = true;
bool atLeastOneFileExtensionFilter = false;
// Retrieve all filters
while (tokenizer.hasMoreTokens()) {
const nsDependentSubstring& token = tokenizer.nextToken();
if (token.IsEmpty()) {
continue;
}
int32_t filterMask = 0;
nsString filterName;
nsString extensionListStr;
// First, check for image/audio/video filters...
if (token.EqualsLiteral("image/*")) {
filterMask = nsIFilePicker::filterImages;
filterBundle->GetStringFromName(MOZ_UTF16("imageFilter"),
getter_Copies(extensionListStr));
} else if (token.EqualsLiteral("audio/*")) {
filterMask = nsIFilePicker::filterAudio;
filterBundle->GetStringFromName(MOZ_UTF16("audioFilter"),
getter_Copies(extensionListStr));
} else if (token.EqualsLiteral("video/*")) {
filterMask = nsIFilePicker::filterVideo;
filterBundle->GetStringFromName(MOZ_UTF16("videoFilter"),
getter_Copies(extensionListStr));
} else if (token.First() == '.') {
if (token.Contains(';') || token.Contains('*')) {
// Ignore this filter as it contains reserved characters
continue;
}
extensionListStr = NS_LITERAL_STRING("*") + token;
filterName = extensionListStr;
atLeastOneFileExtensionFilter = true;
} else {
//... if no image/audio/video filter is found, check mime types filters
nsCOMPtr<nsIMIMEInfo> mimeInfo;
if (NS_FAILED(mimeService->GetFromTypeAndExtension(
NS_ConvertUTF16toUTF8(token),
EmptyCString(), // No extension
getter_AddRefs(mimeInfo))) ||
!mimeInfo) {
allMimeTypeFiltersAreValid = false;
continue;
}
// Get a name for the filter: first try the description, then the mime type
// name if there is no description
mimeInfo->GetDescription(filterName);
if (filterName.IsEmpty()) {
nsCString mimeTypeName;
mimeInfo->GetType(mimeTypeName);
CopyUTF8toUTF16(mimeTypeName, filterName);
}
// Get extension list
nsCOMPtr<nsIUTF8StringEnumerator> extensions;
mimeInfo->GetFileExtensions(getter_AddRefs(extensions));
bool hasMore;
while (NS_SUCCEEDED(extensions->HasMore(&hasMore)) && hasMore) {
nsCString extension;
if (NS_FAILED(extensions->GetNext(extension))) {
continue;
}
if (!extensionListStr.IsEmpty()) {
extensionListStr.AppendLiteral("; ");
}
extensionListStr += NS_LITERAL_STRING("*.") +
NS_ConvertUTF8toUTF16(extension);
}
}
if (!filterMask && (extensionListStr.IsEmpty() || filterName.IsEmpty())) {
// No valid filter found
allMimeTypeFiltersAreValid = false;
continue;
}
// If we arrived here, that means we have a valid filter: let's create it
// and add it to our list, if no similar filter is already present
nsFilePickerFilter filter;
if (filterMask) {
filter = nsFilePickerFilter(filterMask);
} else {
filter = nsFilePickerFilter(filterName, extensionListStr);
}
if (!filters.Contains(filter)) {
if (!allExtensionsList.IsEmpty()) {
allExtensionsList.AppendLiteral("; ");
}
allExtensionsList += extensionListStr;
filters.AppendElement(filter);
}
}
// Remove similar filters
// Iterate over a copy, as we might modify the original filters list
nsTArray<nsFilePickerFilter> filtersCopy;
filtersCopy = filters;
for (uint32_t i = 0; i < filtersCopy.Length(); ++i) {
const nsFilePickerFilter& filterToCheck = filtersCopy[i];
if (filterToCheck.mFilterMask) {
continue;
}
for (uint32_t j = 0; j < filtersCopy.Length(); ++j) {
if (i == j) {
continue;
}
// Check if this filter's extension list is a substring of the other one.
// e.g. if filters are "*.jpeg" and "*.jpeg; *.jpg" the first one should
// be removed.
// Add an extra "; " to be sure the check will work and avoid cases like
// "*.xls" being a subtring of "*.xslx" while those are two differents
// filters and none should be removed.
if (FindInReadable(filterToCheck.mFilter + NS_LITERAL_STRING(";"),
filtersCopy[j].mFilter + NS_LITERAL_STRING(";"))) {
// We already have a similar, less restrictive filter (i.e.
// filterToCheck extensionList is just a subset of another filter
// extension list): remove this one
filters.RemoveElement(filterToCheck);
}
}
}
// Add "All Supported Types" filter
if (filters.Length() > 1) {
nsXPIDLString title;
nsContentUtils::GetLocalizedString(nsContentUtils::eFORMS_PROPERTIES,
"AllSupportedTypes", title);
filePicker->AppendFilter(title, allExtensionsList);
}
// Add each filter
for (uint32_t i = 0; i < filters.Length(); ++i) {
const nsFilePickerFilter& filter = filters[i];
if (filter.mFilterMask) {
filePicker->AppendFilters(filter.mFilterMask);
} else {
filePicker->AppendFilter(filter.mTitle, filter.mFilter);
}
}
if (filters.Length() >= 1 &&
(allMimeTypeFiltersAreValid || atLeastOneFileExtensionFilter)) {
// |filterAll| will always use index=0 so we need to set index=1 as the
// current filter.
filePicker->SetFilterIndex(1);
}
}
Decimal
HTMLInputElement::GetStepScaleFactor() const
{
MOZ_ASSERT(DoesStepApply());
switch (mType) {
case NS_FORM_INPUT_DATE:
return kStepScaleFactorDate;
case NS_FORM_INPUT_NUMBER:
case NS_FORM_INPUT_RANGE:
return kStepScaleFactorNumberRange;
case NS_FORM_INPUT_TIME:
return kStepScaleFactorTime;
default:
MOZ_ASSERT(false, "Unrecognized input type");
return Decimal::nan();
}
}
Decimal
HTMLInputElement::GetDefaultStep() const
{
MOZ_ASSERT(DoesStepApply());
switch (mType) {
case NS_FORM_INPUT_DATE:
case NS_FORM_INPUT_NUMBER:
case NS_FORM_INPUT_RANGE:
return kDefaultStep;
case NS_FORM_INPUT_TIME:
return kDefaultStepTime;
default:
MOZ_ASSERT(false, "Unrecognized input type");
return Decimal::nan();
}
}
void
HTMLInputElement::UpdateValidityUIBits(bool aIsFocused)
{
if (aIsFocused) {
// If the invalid UI is shown, we should show it while focusing (and
// update). Otherwise, we should not.
mCanShowInvalidUI = !IsValid() && ShouldShowValidityUI();
// If neither invalid UI nor valid UI is shown, we shouldn't show the valid
// UI while typing.
mCanShowValidUI = ShouldShowValidityUI();
} else {
mCanShowInvalidUI = true;
mCanShowValidUI = true;
}
}
void
HTMLInputElement::UpdateHasRange()
{
/*
* There is a range if min/max applies for the type and if the element
* currently have a valid min or max.
*/
mHasRange = false;
if (!DoesMinMaxApply()) {
return;
}
Decimal minimum = GetMinimum();
if (!minimum.isNaN()) {
mHasRange = true;
return;
}
Decimal maximum = GetMaximum();
if (!maximum.isNaN()) {
mHasRange = true;
return;
}
}
void
HTMLInputElement::PickerClosed()
{
mPickerRunning = false;
}
JSObject*
HTMLInputElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return HTMLInputElementBinding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla
#undef NS_ORIGINAL_CHECKED_VALUE
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