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gecko-dev/dom/html/HTMLInputElement.h

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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/. */
#ifndef mozilla_dom_HTMLInputElement_h
#define mozilla_dom_HTMLInputElement_h
#include "mozilla/Attributes.h"
#include "nsGenericHTMLElement.h"
#include "nsImageLoadingContent.h"
#include "nsIDOMHTMLInputElement.h"
#include "nsITextControlElement.h"
#include "nsITimer.h"
#include "nsIPhonetic.h"
#include "nsIDOMNSEditableElement.h"
#include "nsCOMPtr.h"
#include "nsIConstraintValidation.h"
#include "mozilla/dom/HTMLFormElement.h" // for HasEverTriedInvalidSubmit()
#include "mozilla/dom/HTMLInputElementBinding.h"
#include "nsIFilePicker.h"
#include "nsIContentPrefService2.h"
#include "mozilla/Decimal.h"
#include "nsContentUtils.h"
#include "nsTextEditorState.h"
class nsIRadioGroupContainer;
class nsIRadioVisitor;
namespace mozilla {
class EventChainPostVisitor;
class EventChainPreVisitor;
namespace dom {
class Date;
class File;
class FileList;
/**
* A class we use to create a singleton object that is used to keep track of
* the last directory from which the user has picked files (via
* <input type=file>) on a per-domain basis. The implementation uses
* nsIContentPrefService2/NS_CONTENT_PREF_SERVICE_CONTRACTID to store the last
* directory per-domain, and to ensure that whether the directories are
* persistently saved (saved across sessions) or not honors whether or not the
* page is being viewed in private browsing.
*/
class UploadLastDir final : public nsIObserver, public nsSupportsWeakReference
{
~UploadLastDir() {}
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
/**
* Fetch the last used directory for this location from the content
* pref service, and display the file picker opened in that directory.
*
* @param aDoc current document
* @param aFilePicker the file picker to open
* @param aFpCallback the callback object to be run when the file is shown.
*/
nsresult FetchDirectoryAndDisplayPicker(nsIDocument* aDoc,
nsIFilePicker* aFilePicker,
nsIFilePickerShownCallback* aFpCallback);
/**
* Store the last used directory for this location using the
* content pref service, if it is available
* @param aURI URI of the current page
* @param aDir Parent directory of the file(s)/directory chosen by the user
*/
nsresult StoreLastUsedDirectory(nsIDocument* aDoc, nsIFile* aDir);
class ContentPrefCallback final : public nsIContentPrefCallback2
{
virtual ~ContentPrefCallback()
{ }
public:
ContentPrefCallback(nsIFilePicker* aFilePicker, nsIFilePickerShownCallback* aFpCallback)
: mFilePicker(aFilePicker)
, mFpCallback(aFpCallback)
{ }
NS_DECL_ISUPPORTS
NS_DECL_NSICONTENTPREFCALLBACK2
nsCOMPtr<nsIFilePicker> mFilePicker;
nsCOMPtr<nsIFilePickerShownCallback> mFpCallback;
nsCOMPtr<nsIContentPref> mResult;
};
};
class HTMLInputElement final : public nsGenericHTMLFormElementWithState,
public nsImageLoadingContent,
public nsIDOMHTMLInputElement,
public nsITextControlElement,
public nsIPhonetic,
public nsIDOMNSEditableElement,
public nsIConstraintValidation
{
public:
using nsIConstraintValidation::GetValidationMessage;
using nsIConstraintValidation::CheckValidity;
using nsIConstraintValidation::WillValidate;
using nsIConstraintValidation::Validity;
using nsGenericHTMLFormElementWithState::GetForm;
HTMLInputElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo,
mozilla::dom::FromParser aFromParser);
NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLInputElement, input)
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
virtual int32_t TabIndexDefault() override;
using nsGenericHTMLElement::Focus;
virtual void Blur(ErrorResult& aError) override;
virtual void Focus(ErrorResult& aError) override;
// Element
virtual bool IsInteractiveHTMLContent(bool aIgnoreTabindex) const override;
// nsIDOMHTMLInputElement
NS_DECL_NSIDOMHTMLINPUTELEMENT
// nsIPhonetic
NS_DECL_NSIPHONETIC
// nsIDOMNSEditableElement
NS_IMETHOD GetEditor(nsIEditor** aEditor) override
{
return nsGenericHTMLElement::GetEditor(aEditor);
}
NS_IMETHOD SetUserInput(const nsAString& aInput) override;
// Overriden nsIFormControl methods
NS_IMETHOD_(uint32_t) GetType() const override { return mType; }
NS_IMETHOD Reset() override;
NS_IMETHOD SubmitNamesValues(nsFormSubmission* aFormSubmission) override;
NS_IMETHOD SaveState() override;
virtual bool RestoreState(nsPresState* aState) override;
virtual bool AllowDrop() override;
virtual bool IsDisabledForEvents(uint32_t aMessage) override;
virtual void FieldSetDisabledChanged(bool aNotify) override;
// nsIContent
virtual bool IsHTMLFocusable(bool aWithMouse, bool *aIsFocusable, int32_t *aTabIndex) override;
virtual bool ParseAttribute(int32_t aNamespaceID,
nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult) override;
virtual nsChangeHint GetAttributeChangeHint(const nsIAtom* aAttribute,
int32_t aModType) const override;
NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) const override;
virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
virtual nsresult PreHandleEvent(EventChainPreVisitor& aVisitor) override;
virtual nsresult PostHandleEvent(
EventChainPostVisitor& aVisitor) override;
void PostHandleEventForRangeThumb(EventChainPostVisitor& aVisitor);
void StartRangeThumbDrag(WidgetGUIEvent* aEvent);
void FinishRangeThumbDrag(WidgetGUIEvent* aEvent = nullptr);
void CancelRangeThumbDrag(bool aIsForUserEvent = true);
void SetValueOfRangeForUserEvent(Decimal aValue);
virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
nsIContent* aBindingParent,
bool aCompileEventHandlers) override;
virtual void UnbindFromTree(bool aDeep = true,
bool aNullParent = true) override;
virtual void DoneCreatingElement() override;
virtual EventStates IntrinsicState() const override;
// Element
private:
virtual void AddStates(EventStates aStates) override;
virtual void RemoveStates(EventStates aStates) override;
public:
// nsITextControlElement
NS_IMETHOD SetValueChanged(bool aValueChanged) override;
NS_IMETHOD_(bool) IsSingleLineTextControl() const override;
NS_IMETHOD_(bool) IsTextArea() const override;
NS_IMETHOD_(bool) IsPlainTextControl() const override;
NS_IMETHOD_(bool) IsPasswordTextControl() const override;
NS_IMETHOD_(int32_t) GetCols() override;
NS_IMETHOD_(int32_t) GetWrapCols() override;
NS_IMETHOD_(int32_t) GetRows() override;
NS_IMETHOD_(void) GetDefaultValueFromContent(nsAString& aValue) override;
NS_IMETHOD_(bool) ValueChanged() const override;
NS_IMETHOD_(void) GetTextEditorValue(nsAString& aValue, bool aIgnoreWrap) const override;
NS_IMETHOD_(nsIEditor*) GetTextEditor() override;
NS_IMETHOD_(nsISelectionController*) GetSelectionController() override;
NS_IMETHOD_(nsFrameSelection*) GetConstFrameSelection() override;
NS_IMETHOD BindToFrame(nsTextControlFrame* aFrame) override;
NS_IMETHOD_(void) UnbindFromFrame(nsTextControlFrame* aFrame) override;
NS_IMETHOD CreateEditor() override;
NS_IMETHOD_(nsIContent*) GetRootEditorNode() override;
NS_IMETHOD_(Element*) CreatePlaceholderNode() override;
NS_IMETHOD_(Element*) GetPlaceholderNode() override;
NS_IMETHOD_(void) UpdatePlaceholderVisibility(bool aNotify) override;
NS_IMETHOD_(bool) GetPlaceholderVisibility() override;
NS_IMETHOD_(void) InitializeKeyboardEventListeners() override;
NS_IMETHOD_(void) OnValueChanged(bool aNotify) override;
NS_IMETHOD_(bool) HasCachedSelection() override;
void GetDisplayFileName(nsAString& aFileName) const;
const nsTArray<nsRefPtr<File>>& GetFilesInternal() const
{
return mFiles;
}
void SetFiles(const nsTArray<nsRefPtr<File>>& aFiles, bool aSetValueChanged);
void SetFiles(nsIDOMFileList* aFiles, bool aSetValueChanged);
// Called when a nsIFilePicker or a nsIColorPicker terminate.
void PickerClosed();
void SetCheckedChangedInternal(bool aCheckedChanged);
bool GetCheckedChanged() const {
return mCheckedChanged;
}
void AddedToRadioGroup();
void WillRemoveFromRadioGroup();
/**
* Helper function returning the currently selected button in the radio group.
* Returning null if the element is not a button or if there is no selectied
* button in the group.
*
* @return the selected button (or null).
*/
already_AddRefed<nsIDOMHTMLInputElement> GetSelectedRadioButton();
virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLInputElement,
nsGenericHTMLFormElementWithState)
static UploadLastDir* gUploadLastDir;
// create and destroy the static UploadLastDir object for remembering
// which directory was last used on a site-by-site basis
static void InitUploadLastDir();
static void DestroyUploadLastDir();
void MaybeLoadImage();
void SetSelectionProperties(const nsTextEditorState::SelectionProperties& aProps)
{
MOZ_ASSERT(mType == NS_FORM_INPUT_NUMBER);
mSelectionCached = true;
mSelectionProperties = aProps;
}
bool IsSelectionCached() const
{
MOZ_ASSERT(mType == NS_FORM_INPUT_NUMBER);
return mSelectionCached;
}
void ClearSelectionCached()
{
MOZ_ASSERT(mType == NS_FORM_INPUT_NUMBER);
mSelectionCached = false;
}
nsTextEditorState::SelectionProperties& GetSelectionProperties()
{
MOZ_ASSERT(mType == NS_FORM_INPUT_NUMBER);
return mSelectionProperties;
}
// nsIConstraintValidation
bool IsTooLong();
bool IsValueMissing() const;
bool HasTypeMismatch() const;
bool HasPatternMismatch() const;
bool IsRangeOverflow() const;
bool IsRangeUnderflow() const;
bool HasStepMismatch(bool aUseZeroIfValueNaN = false) const;
bool HasBadInput() const;
void UpdateTooLongValidityState();
void UpdateValueMissingValidityState();
void UpdateTypeMismatchValidityState();
void UpdatePatternMismatchValidityState();
void UpdateRangeOverflowValidityState();
void UpdateRangeUnderflowValidityState();
void UpdateStepMismatchValidityState();
void UpdateBadInputValidityState();
void UpdateAllValidityStates(bool aNotify);
void UpdateBarredFromConstraintValidation();
nsresult GetValidationMessage(nsAString& aValidationMessage,
ValidityStateType aType) override;
/**
* Update the value missing validity state for radio elements when they have
* a group.
*
* @param aIgnoreSelf Whether the required attribute and the checked state
* of the current radio should be ignored.
* @note This method shouldn't be called if the radio element hasn't a group.
*/
void UpdateValueMissingValidityStateForRadio(bool aIgnoreSelf);
/**
* Set filters to the filePicker according to the accept attribute value.
*
* See:
* http://dev.w3.org/html5/spec/forms.html#attr-input-accept
*
* @note You should not call this function if the element has no @accept.
* @note "All Files" filter is always set, no matter if there is a valid
* filter specified or not.
* @note If more than one valid filter is found, the "All Supported Types"
* filter is added, which is the concatenation of all valid filters.
* @note Duplicate filters and similar filters (i.e. filters whose file
* extensions already exist in another filter) are ignored.
* @note "All Files" filter will be selected by default if unknown mime types
* have been specified and no file extension filter has been specified.
* Otherwise, specified filter or "All Supported Types" filter will be
* selected by default.
* The logic behind is that having unknown mime type means we might restrict
* user's input too much, as some filters will be missing.
* However, if author has also specified some file extension filters, it's
* likely those are fallback for the unusual mime type we haven't been able
* to resolve; so it's better to select author specified filters in that case.
*/
void SetFilePickerFiltersFromAccept(nsIFilePicker* filePicker);
/**
* The form might need to request an update of the UI bits
* (BF_CAN_SHOW_INVALID_UI and BF_CAN_SHOW_VALID_UI) when an invalid form
* submission is tried.
*
* @param aIsFocused Whether the element is currently focused.
*
* @note The caller is responsible to call ContentStatesChanged.
*/
void UpdateValidityUIBits(bool aIsFocused);
/**
* Fires change event if mFocusedValue and current value held are unequal.
*/
void FireChangeEventIfNeeded();
/**
* Returns the input element's value as a Decimal.
* Returns NaN if the current element's value is not a floating point number.
*
* @return the input element's value as a Decimal.
*/
Decimal GetValueAsDecimal() const;
/**
* Returns the input's "minimum" (as defined by the HTML5 spec) as a double.
* Note this takes account of any default minimum that the type may have.
* Returns NaN if the min attribute isn't a valid floating point number and
* the input's type does not have a default minimum.
*
* NOTE: Only call this if you know DoesMinMaxApply() returns true.
*/
Decimal GetMinimum() const;
/**
* Returns the input's "maximum" (as defined by the HTML5 spec) as a double.
* Note this takes account of any default maximum that the type may have.
* Returns NaN if the max attribute isn't a valid floating point number and
* the input's type does not have a default maximum.
*
* NOTE:Only call this if you know DoesMinMaxApply() returns true.
*/
Decimal GetMaximum() const;
// WebIDL
// XPCOM GetAccept() is OK
void SetAccept(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::accept, aValue, aRv);
}
// XPCOM GetAlt() is OK
void SetAlt(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::alt, aValue, aRv);
}
// XPCOM GetAutocomplete() is OK
void SetAutocomplete(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::autocomplete, aValue, aRv);
}
void GetAutocompleteInfo(Nullable<AutocompleteInfo>& aInfo);
bool Autofocus() const
{
return GetBoolAttr(nsGkAtoms::autofocus);
}
void SetAutofocus(bool aValue, ErrorResult& aRv)
{
SetHTMLBoolAttr(nsGkAtoms::autofocus, aValue, aRv);
}
bool DefaultChecked() const
{
return HasAttr(kNameSpaceID_None, nsGkAtoms::checked);
}
void SetDefaultChecked(bool aValue, ErrorResult& aRv)
{
SetHTMLBoolAttr(nsGkAtoms::checked, aValue, aRv);
}
bool Checked() const
{
return mChecked;
}
// XPCOM SetChecked() is OK
bool Disabled() const
{
return GetBoolAttr(nsGkAtoms::disabled);
}
void SetDisabled(bool aValue,ErrorResult& aRv)
{
SetHTMLBoolAttr(nsGkAtoms::disabled, aValue, aRv);
}
// XPCOM GetForm() is OK
FileList* GetFiles();
// XPCOM GetFormAction() is OK
void SetFormAction(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::formaction, aValue, aRv);
}
// XPCOM GetFormEnctype() is OK
void SetFormEnctype(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::formenctype, aValue, aRv);
}
// XPCOM GetFormMethod() is OK
void SetFormMethod(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::formmethod, aValue, aRv);
}
bool FormNoValidate() const
{
return GetBoolAttr(nsGkAtoms::formnovalidate);
}
void SetFormNoValidate(bool aValue, ErrorResult& aRv)
{
SetHTMLBoolAttr(nsGkAtoms::formnovalidate, aValue, aRv);
}
// XPCOM GetFormTarget() is OK
void SetFormTarget(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::formtarget, aValue, aRv);
}
uint32_t Height();
void SetHeight(uint32_t aValue, ErrorResult& aRv)
{
SetUnsignedIntAttr(nsGkAtoms::height, aValue, aRv);
}
bool Indeterminate() const
{
return mIndeterminate;
}
// XPCOM SetIndeterminate() is OK
// XPCOM GetInputMode() is OK
void SetInputMode(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::inputmode, aValue, aRv);
}
nsGenericHTMLElement* GetList() const;
// XPCOM GetMax() is OK
void SetMax(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::max, aValue, aRv);
}
int32_t MaxLength() const
{
return GetIntAttr(nsGkAtoms::maxlength, -1);
}
void SetMaxLength(int32_t aValue, ErrorResult& aRv)
{
if (aValue < 0) {
aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return;
}
SetHTMLIntAttr(nsGkAtoms::maxlength, aValue, aRv);
}
// XPCOM GetMin() is OK
void SetMin(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::min, aValue, aRv);
}
bool Multiple() const
{
return GetBoolAttr(nsGkAtoms::multiple);
}
void SetMultiple(bool aValue, ErrorResult& aRv)
{
SetHTMLBoolAttr(nsGkAtoms::multiple, aValue, aRv);
}
// XPCOM GetName() is OK
void SetName(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
}
// XPCOM GetPattern() is OK
void SetPattern(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::pattern, aValue, aRv);
}
// XPCOM GetPlaceholder() is OK
void SetPlaceholder(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::placeholder, aValue, aRv);
}
bool ReadOnly() const
{
return GetBoolAttr(nsGkAtoms::readonly);
}
void SetReadOnly(bool aValue, ErrorResult& aRv)
{
SetHTMLBoolAttr(nsGkAtoms::readonly, aValue, aRv);
}
bool Required() const
{
return GetBoolAttr(nsGkAtoms::required);
}
void SetRequired(bool aValue, ErrorResult& aRv)
{
SetHTMLBoolAttr(nsGkAtoms::required, aValue, aRv);
}
uint32_t Size() const
{
return GetUnsignedIntAttr(nsGkAtoms::size, DEFAULT_COLS);
}
void SetSize(uint32_t aValue, ErrorResult& aRv)
{
if (aValue == 0) {
aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return;
}
SetUnsignedIntAttr(nsGkAtoms::size, aValue, aRv);
}
// XPCOM GetSrc() is OK
void SetSrc(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::src, aValue, aRv);
}
// XPCOM GetStep() is OK
void SetStep(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::step, aValue, aRv);
}
// XPCOM GetType() is OK
void SetType(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::type, aValue, aRv);
if (aValue.EqualsLiteral("number")) {
// For NS_FORM_INPUT_NUMBER we rely on having frames to process key
// events. Make sure we have them in case someone changes the type of
// this element to "number" and then expects to be able to send key
// events to it (type changes are rare, so not a big perf issue):
FlushFrames();
}
}
// XPCOM GetDefaultValue() is OK
void SetDefaultValue(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::value, aValue, aRv);
}
// XPCOM GetValue() is OK
void SetValue(const nsAString& aValue, ErrorResult& aRv);
Nullable<Date> GetValueAsDate(ErrorResult& aRv);
void SetValueAsDate(Nullable<Date>, ErrorResult& aRv);
double ValueAsNumber() const
{
return DoesValueAsNumberApply() ? GetValueAsDecimal().toDouble()
: UnspecifiedNaN<double>();
}
void SetValueAsNumber(double aValue, ErrorResult& aRv);
uint32_t Width();
void SetWidth(uint32_t aValue, ErrorResult& aRv)
{
SetUnsignedIntAttr(nsGkAtoms::width, aValue, aRv);
}
void StepUp(int32_t aN, ErrorResult& aRv)
{
aRv = ApplyStep(aN);
}
void StepDown(int32_t aN, ErrorResult& aRv)
{
aRv = ApplyStep(-aN);
}
/**
* Returns the current step value.
* Returns kStepAny if the current step is "any" string.
*
* @return the current step value.
*/
Decimal GetStep() const;
void GetValidationMessage(nsAString& aValidationMessage, ErrorResult& aRv);
// XPCOM GetCustomVisibility() is OK
// XPCOM Select() is OK
int32_t GetSelectionStart(ErrorResult& aRv);
void SetSelectionStart(int32_t aValue, ErrorResult& aRv);
int32_t GetSelectionEnd(ErrorResult& aRv);
void SetSelectionEnd(int32_t aValue, ErrorResult& aRv);
void GetSelectionDirection(nsAString& aValue, ErrorResult& aRv);
void SetSelectionDirection(const nsAString& aValue, ErrorResult& aRv);
void SetSelectionRange(int32_t aStart, int32_t aEnd,
const Optional< nsAString >& direction,
ErrorResult& aRv);
void SetRangeText(const nsAString& aReplacement, ErrorResult& aRv);
void SetRangeText(const nsAString& aReplacement, uint32_t aStart,
uint32_t aEnd, const SelectionMode& aSelectMode,
ErrorResult& aRv, int32_t aSelectionStart = -1,
int32_t aSelectionEnd = -1);
// XPCOM GetAlign() is OK
void SetAlign(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::align, aValue, aRv);
}
// XPCOM GetUseMap() is OK
void SetUseMap(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::usemap, aValue, aRv);
}
nsIControllers* GetControllers(ErrorResult& aRv);
int32_t GetTextLength(ErrorResult& aRv);
void MozGetFileNameArray(nsTArray<nsString>& aFileNames, ErrorResult& aRv);
void MozSetFileNameArray(const Sequence< nsString >& aFileNames, ErrorResult& aRv);
void MozSetFileArray(const Sequence<OwningNonNull<File>>& aFiles);
HTMLInputElement* GetOwnerNumberControl();
void StartNumberControlSpinnerSpin();
void StopNumberControlSpinnerSpin();
void StepNumberControlForUserEvent(int32_t aDirection);
/**
* The callback function used by the nsRepeatService that we use to spin the
* spinner for <input type=number>.
*/
static void HandleNumberControlSpin(void* aData);
bool NumberSpinnerUpButtonIsDepressed() const
{
return mNumberControlSpinnerIsSpinning && mNumberControlSpinnerSpinsUp;
}
bool NumberSpinnerDownButtonIsDepressed() const
{
return mNumberControlSpinnerIsSpinning && !mNumberControlSpinnerSpinsUp;
}
bool MozIsTextField(bool aExcludePassword);
nsIEditor* GetEditor();
// XPCOM SetUserInput() is OK
// XPCOM GetPhonetic() is OK
/**
* If aValue contains a valid floating-point number in the format specified
* by the HTML 5 spec:
*
* http://www.whatwg.org/specs/web-apps/current-work/multipage/common-microsyntaxes.html#floating-point-numbers
*
* then this function will return the number parsed as a Decimal, otherwise
* it will return a Decimal for which Decimal::isFinite() will return false.
*/
static Decimal StringToDecimal(const nsAString& aValue);
protected:
virtual ~HTMLInputElement();
virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
// Pull IsSingleLineTextControl into our scope, otherwise it'd be hidden
// by the nsITextControlElement version.
using nsGenericHTMLFormElementWithState::IsSingleLineTextControl;
/**
* The ValueModeType specifies how the value IDL attribute should behave.
*
* See: http://dev.w3.org/html5/spec/forms.html#dom-input-value
*/
enum ValueModeType
{
// On getting, returns the value.
// On setting, sets value.
VALUE_MODE_VALUE,
// On getting, returns the value if present or the empty string.
// On setting, sets the value.
VALUE_MODE_DEFAULT,
// On getting, returns the value if present or "on".
// On setting, sets the value.
VALUE_MODE_DEFAULT_ON,
// On getting, returns "C:\fakepath\" followed by the file name of the
// first file of the selected files if any.
// On setting the empty string, empties the selected files list, otherwise
// throw the INVALID_STATE_ERR exception.
VALUE_MODE_FILENAME
};
/**
* This helper method returns true if aValue is a valid email address.
* This is following the HTML5 specification:
* http://dev.w3.org/html5/spec/forms.html#valid-e-mail-address
*
* @param aValue the email address to check.
* @result whether the given string is a valid email address.
*/
static bool IsValidEmailAddress(const nsAString& aValue);
/**
* This helper method returns true if aValue is a valid email address list.
* Email address list is a list of email address separated by comas (,) which
* can be surrounded by space charecters.
* This is following the HTML5 specification:
* http://dev.w3.org/html5/spec/forms.html#valid-e-mail-address-list
*
* @param aValue the email address list to check.
* @result whether the given string is a valid email address list.
*/
static bool IsValidEmailAddressList(const nsAString& aValue);
/**
* This helper method convert a sub-string that contains only digits to a
* number (unsigned int given that it can't contain a minus sign).
* This method will return whether the sub-string is correctly formatted
* (ie. contains only digit) and it can be successfuly parsed to generate a
* number).
* If the method returns true, |aResult| will contained the parsed number.
*
* @param aValue the string on which the sub-string will be extracted and parsed.
* @param aStart the beginning of the sub-string in aValue.
* @param aLen the length of the sub-string.
* @param aResult the parsed number.
* @return whether the sub-string has been parsed successfully.
*/
static bool DigitSubStringToNumber(const nsAString& aValue, uint32_t aStart,
uint32_t aLen, uint32_t* aResult);
// Helper method
/**
* Setting the value.
*
* @param aValue String to set.
* @param aFlags See nsTextEditorState::SetValueFlags.
*/
nsresult SetValueInternal(const nsAString& aValue, uint32_t aFlags);
nsresult GetValueInternal(nsAString& aValue) const;
/**
* Returns whether the current value is the empty string.
*
* @return whether the current value is the empty string.
*/
bool IsValueEmpty() const;
void ClearFiles(bool aSetValueChanged);
void SetIndeterminateInternal(bool aValue,
bool aShouldInvalidate);
nsresult GetSelectionRange(int32_t* aSelectionStart, int32_t* aSelectionEnd);
/**
* Called when an attribute is about to be changed
*/
virtual nsresult BeforeSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
const nsAttrValueOrString* aValue,
bool aNotify) override;
/**
* Called when an attribute has just been changed
*/
virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
const nsAttrValue* aValue, bool aNotify) override;
/**
* Dispatch a select event. Returns true if the event was not cancelled.
*/
bool DispatchSelectEvent(nsPresContext* aPresContext);
void SelectAll(nsPresContext* aPresContext);
bool IsImage() const
{
return AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,
nsGkAtoms::image, eIgnoreCase);
}
/**
* Visit the group of radio buttons this radio belongs to
* @param aVisitor the visitor to visit with
*/
nsresult VisitGroup(nsIRadioVisitor* aVisitor, bool aFlushContent);
/**
* Do all the work that |SetChecked| does (radio button handling, etc.), but
* take an |aNotify| parameter.
*/
void DoSetChecked(bool aValue, bool aNotify, bool aSetValueChanged);
/**
* Do all the work that |SetCheckedChanged| does (radio button handling,
* etc.), but take an |aNotify| parameter that lets it avoid flushing content
* when it can.
*/
void DoSetCheckedChanged(bool aCheckedChanged, bool aNotify);
/**
* Actually set checked and notify the frame of the change.
* @param aValue the value of checked to set
*/
void SetCheckedInternal(bool aValue, bool aNotify);
void RadioSetChecked(bool aNotify);
void SetCheckedChanged(bool aCheckedChanged);
/**
* MaybeSubmitForm looks for a submit input or a single text control
* and submits the form if either is present.
*/
nsresult MaybeSubmitForm(nsPresContext* aPresContext);
/**
* Update mFileList with the currently selected file.
*/
nsresult UpdateFileList();
/**
* Called after calling one of the SetFiles() functions.
*/
void AfterSetFiles(bool aSetValueChanged);
/**
* Determine whether the editor needs to be initialized explicitly for
* a particular event.
*/
bool NeedToInitializeEditorForEvent(EventChainPreVisitor& aVisitor) const;
/**
* Get the value mode of the element, depending of the type.
*/
ValueModeType GetValueMode() const;
/**
* Get the mutable state of the element.
* When the element isn't mutable (immutable), the value or checkedness
* should not be changed by the user.
*
* See: http://dev.w3.org/html5/spec/forms.html#concept-input-mutable
*/
bool IsMutable() const;
/**
* Returns if the readonly attribute applies for the current type.
*/
bool DoesReadOnlyApply() const;
/**
* Returns if the required attribute applies for the current type.
*/
bool DoesRequiredApply() const;
/**
* Returns if the pattern attribute applies for the current type.
*/
bool DoesPatternApply() const;
/**
* Returns if the min and max attributes apply for the current type.
*/
bool DoesMinMaxApply() const;
/**
* Returns if the step attribute apply for the current type.
*/
bool DoesStepApply() const { return DoesMinMaxApply(); }
/**
* Returns if stepDown and stepUp methods apply for the current type.
*/
bool DoStepDownStepUpApply() const { return DoesStepApply(); }
/**
* Returns if valueAsNumber attribute applies for the current type.
*/
bool DoesValueAsNumberApply() const { return DoesMinMaxApply(); }
/**
* Returns if autocomplete attribute applies for the current type.
*/
bool DoesAutocompleteApply() const;
/**
* Returns if the maxlength attribute applies for the current type.
*/
bool MaxLengthApplies() const { return IsSingleLineTextControl(false, mType); }
void FreeData();
nsTextEditorState *GetEditorState() const;
/**
* Manages the internal data storage across type changes.
*/
void HandleTypeChange(uint8_t aNewType);
/**
* Sanitize the value of the element depending of its current type.
* See: http://www.whatwg.org/specs/web-apps/current-work/#value-sanitization-algorithm
*/
void SanitizeValue(nsAString& aValue);
/**
* Returns whether the placeholder attribute applies for the current type.
*/
bool PlaceholderApplies() const;
/**
* Set the current default value to the value of the input element.
* @note You should not call this method if GetValueMode() doesn't return
* VALUE_MODE_VALUE.
*/
nsresult SetDefaultValueAsValue();
virtual void SetDirectionIfAuto(bool aAuto, bool aNotify);
/**
* Return if an element should have a specific validity UI
* (with :-moz-ui-invalid and :-moz-ui-valid pseudo-classes).
*
* @return Whether the element should have a validity UI.
*/
bool ShouldShowValidityUI() const {
/**
* Always show the validity UI if the form has already tried to be submitted
* but was invalid.
*
* Otherwise, show the validity UI if the element's value has been changed.
*/
if (mForm && mForm->HasEverTriedInvalidSubmit()) {
return true;
}
switch (GetValueMode()) {
case VALUE_MODE_DEFAULT:
return true;
case VALUE_MODE_DEFAULT_ON:
return GetCheckedChanged();
case VALUE_MODE_VALUE:
case VALUE_MODE_FILENAME:
return mValueChanged;
default:
NS_NOTREACHED("We should not be there: there are no other modes.");
return false;
}
}
/**
* Returns the radio group container if the element has one, null otherwise.
* The radio group container will be the form owner if there is one.
* The current document otherwise.
* @return the radio group container if the element has one, null otherwise.
*/
nsIRadioGroupContainer* GetRadioGroupContainer() const;
/**
* Convert a string to a Decimal number in a type specific way,
* http://www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#concept-input-value-string-number
* ie parse a date string to a timestamp if type=date,
* or parse a number string to its value if type=number.
* @param aValue the string to be parsed.
* @param aResultValue the number as a Decimal.
* @result whether the parsing was successful.
*/
bool ConvertStringToNumber(nsAString& aValue, Decimal& aResultValue) const;
/**
* Convert a Decimal to a string in a type specific way, ie convert a timestamp
* to a date string if type=date or append the number string representing the
* value if type=number.
*
* @param aValue the Decimal to be converted
* @param aResultString [out] the string representing the Decimal
* @return whether the function succeded, it will fail if the current input's
* type is not supported or the number can't be converted to a string
* as expected by the type.
*/
bool ConvertNumberToString(Decimal aValue, nsAString& aResultString) const;
/**
* Parse a color string of the form #XXXXXX where X should be hexa characters
* @param the string to be parsed.
* @return whether the string is a valid simple color.
* Note : this function does not consider the empty string as valid.
*/
bool IsValidSimpleColor(const nsAString& aValue) const;
/**
* Parse a date string of the form yyyy-mm-dd
* @param the string to be parsed.
* @return whether the string is a valid date.
* Note : this function does not consider the empty string as valid.
*/
bool IsValidDate(const nsAString& aValue) const;
/**
* Parse a date string of the form yyyy-mm-dd
* @param the string to be parsed.
* @return the date in aYear, aMonth, aDay.
* @return whether the parsing was successful.
*/
bool GetValueAsDate(const nsAString& aValue,
uint32_t* aYear,
uint32_t* aMonth,
uint32_t* aDay) const;
/**
* This methods returns the number of days in a given month, for a given year.
*/
uint32_t NumberOfDaysInMonth(uint32_t aMonth, uint32_t aYear) const;
/**
* Returns whether aValue is a valid time as described by HTML specifications:
* http://www.whatwg.org/specs/web-apps/current-work/multipage/common-microsyntaxes.html#valid-time-string
*
* @param aValue the string to be tested.
* @return Whether the string is a valid time per HTML specifications.
*/
bool IsValidTime(const nsAString& aValue) const;
/**
* Returns the time expressed in milliseconds of |aValue| being parsed as a
* time following the HTML specifications:
* http://www.whatwg.org/specs/web-apps/current-work/#parse-a-time-string
*
* Note: |aResult| can be null.
*
* @param aValue the string to be parsed.
* @param aResult the time expressed in milliseconds representing the time [out]
* @return Whether the parsing was successful.
*/
static bool ParseTime(const nsAString& aValue, uint32_t* aResult);
/**
* Sets the value of the element to the string representation of the Decimal.
*
* @param aValue The Decimal that will be used to set the value.
*/
void SetValue(Decimal aValue);
/**
* Update the HAS_RANGE bit field value.
*/
void UpdateHasRange();
/**
* Get the step scale value for the current type.
* See:
* http://www.whatwg.org/specs/web-apps/current-work/multipage/common-input-element-attributes.html#concept-input-step-scale
*/
Decimal GetStepScaleFactor() const;
/**
* Return the base used to compute if a value matches step.
* Basically, it's the min attribute if present and a default value otherwise.
*
* @return The step base.
*/
Decimal GetStepBase() const;
/**
* Returns the default step for the current type.
* @return the default step for the current type.
*/
Decimal GetDefaultStep() const;
enum StepCallerType {
CALLED_FOR_USER_EVENT,
CALLED_FOR_SCRIPT
};
/**
* Sets the aValue outparam to the value that this input would take if
* someone tries to step aStep steps and this input's value would change as
* a result. Leaves aValue untouched if this inputs value would not change
* (e.g. already at max, and asking for the next step up).
*
* Negative aStep means step down, positive means step up.
*
* Returns NS_OK or else the error values that should be thrown if this call
* was initiated by a stepUp()/stepDown() call from script under conditions
* that such a call should throw.
*/
nsresult GetValueIfStepped(int32_t aStepCount,
StepCallerType aCallerType,
Decimal* aNextStep);
/**
* Apply a step change from stepUp or stepDown by multiplying aStep by the
* current step value.
*
* @param aStep The value used to be multiplied against the step value.
*/
nsresult ApplyStep(int32_t aStep);
/**
* Returns if the current type is an experimental mobile type.
*/
static bool IsExperimentalMobileType(uint8_t aType)
{
return aType == NS_FORM_INPUT_DATE || aType == NS_FORM_INPUT_TIME;
}
/**
* Flushes the layout frame tree to make sure we have up-to-date frames.
*/
void FlushFrames();
/**
* Returns true if the element should prevent dispatching another DOMActivate.
* This is used in situations where the anonymous subtree should already have
* sent a DOMActivate and prevents firing more than once.
*/
bool ShouldPreventDOMActivateDispatch(EventTarget* aOriginalTarget);
/**
* Some input type (color and file) let user choose a value using a picker:
* this function checks if it is needed, and if so, open the corresponding
* picker (color picker or file picker).
*/
nsresult MaybeInitPickers(EventChainPostVisitor& aVisitor);
enum FilePickerType {
FILE_PICKER_FILE,
FILE_PICKER_DIRECTORY
};
nsresult InitFilePicker(FilePickerType aType);
nsresult InitColorPicker();
/**
* Use this function before trying to open a picker.
* It checks if the page is allowed to open a new pop-up.
* If it returns true, you should not create the picker.
*
* @return true if popup should be blocked, false otherwise
*/
bool IsPopupBlocked() const;
nsCOMPtr<nsIControllers> mControllers;
/*
* In mInputData, the mState field is used if IsSingleLineTextControl returns
* true and mValue is used otherwise. We have to be careful when handling it
* on a type change.
*
* Accessing the mState member should be done using the GetEditorState function,
* which returns null if the state is not present.
*/
union InputData {
/**
* The current value of the input if it has been changed from the default
*/
char16_t* mValue;
/**
* The state of the text editor associated with the text/password input
*/
nsTextEditorState* mState;
} mInputData;
/**
* The value of the input if it is a file input. This is the list of filenames
* used when uploading a file. It is vital that this is kept separate from
* mValue so that it won't be possible to 'leak' the value from a text-input
* to a file-input. Additionally, the logic for this value is kept as simple
* as possible to avoid accidental errors where the wrong filename is used.
* Therefor the list of filenames is always owned by this member, never by
* the frame. Whenever the frame wants to change the filename it has to call
* SetFileNames to update this member.
*/
nsTArray<nsRefPtr<File>> mFiles;
#ifndef MOZ_CHILD_PERMISSIONS
/**
* Hack for bug 1086684: Stash the .value when we're a file picker.
*/
nsString mFirstFilePath;
#endif
nsRefPtr<FileList> mFileList;
nsString mStaticDocFileList;
/**
* The value of the input element when first initialized and it is updated
* when the element is either changed through a script, focused or dispatches
* a change event. This is to ensure correct future change event firing.
* NB: This is ONLY applicable where the element is a text control. ie,
* where type= "text", "email", "search", "tel", "url" or "password".
*/
nsString mFocusedValue;
/**
* If mIsDraggingRange is true, this is the value that the input had before
* the drag started. Used to reset the input to its old value if the drag is
* canceled.
*/
Decimal mRangeThumbDragStartValue;
/**
* The selection properties cache for number controls. This is needed because
* the number controls don't recycle their text field, so the normal cache in
* nsTextEditorState cannot do its job.
*/
nsTextEditorState::SelectionProperties mSelectionProperties;
// Step scale factor values, for input types that have one.
static const Decimal kStepScaleFactorDate;
static const Decimal kStepScaleFactorNumberRange;
static const Decimal kStepScaleFactorTime;
// Default step base value when a type do not have specific one.
static const Decimal kDefaultStepBase;
// Default step used when there is no specified step.
static const Decimal kDefaultStep;
static const Decimal kDefaultStepTime;
// Float value returned by GetStep() when the step attribute is set to 'any'.
static const Decimal kStepAny;
/**
* The type of this input (<input type=...>) as an integer.
* @see nsIFormControl.h (specifically NS_FORM_INPUT_*)
*/
uint8_t mType;
nsContentUtils::AutocompleteAttrState mAutocompleteAttrState;
bool mDisabledChanged : 1;
bool mValueChanged : 1;
bool mCheckedChanged : 1;
bool mChecked : 1;
bool mHandlingSelectEvent : 1;
bool mShouldInitChecked : 1;
bool mParserCreating : 1;
bool mInInternalActivate : 1;
bool mCheckedIsToggled : 1;
bool mIndeterminate : 1;
bool mInhibitRestoration : 1;
bool mCanShowValidUI : 1;
bool mCanShowInvalidUI : 1;
bool mHasRange : 1;
bool mIsDraggingRange : 1;
bool mNumberControlSpinnerIsSpinning : 1;
bool mNumberControlSpinnerSpinsUp : 1;
bool mPickerRunning : 1;
bool mSelectionCached : 1;
private:
static void MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
nsRuleData* aData);
/**
* Returns true if this input's type will fire a DOM "change" event when it
* loses focus if its value has changed since it gained focus.
*/
bool MayFireChangeOnBlur() const {
return MayFireChangeOnBlur(mType);
}
/**
* Returns true if setRangeText can be called on element
*/
bool SupportsSetRangeText() const {
return mType == NS_FORM_INPUT_TEXT || mType == NS_FORM_INPUT_SEARCH ||
mType == NS_FORM_INPUT_URL || mType == NS_FORM_INPUT_TEL ||
mType == NS_FORM_INPUT_PASSWORD || mType == NS_FORM_INPUT_NUMBER;
}
static bool MayFireChangeOnBlur(uint8_t aType) {
return IsSingleLineTextControl(false, aType) ||
aType == NS_FORM_INPUT_RANGE ||
aType == NS_FORM_INPUT_NUMBER;
}
struct nsFilePickerFilter {
nsFilePickerFilter()
: mFilterMask(0) {}
explicit nsFilePickerFilter(int32_t aFilterMask)
: mFilterMask(aFilterMask) {}
nsFilePickerFilter(const nsString& aTitle,
const nsString& aFilter)
: mFilterMask(0), mTitle(aTitle), mFilter(aFilter) {}
nsFilePickerFilter(const nsFilePickerFilter& other) {
mFilterMask = other.mFilterMask;
mTitle = other.mTitle;
mFilter = other.mFilter;
}
bool operator== (const nsFilePickerFilter& other) const {
if ((mFilter == other.mFilter) && (mFilterMask == other.mFilterMask)) {
return true;
} else {
return false;
}
}
// Filter mask, using values defined in nsIFilePicker
int32_t mFilterMask;
// If mFilterMask is defined, mTitle and mFilter are useless and should be
// ignored
nsString mTitle;
nsString mFilter;
};
class nsFilePickerShownCallback
: public nsIFilePickerShownCallback
{
virtual ~nsFilePickerShownCallback()
{ }
public:
nsFilePickerShownCallback(HTMLInputElement* aInput,
nsIFilePicker* aFilePicker);
NS_DECL_ISUPPORTS
NS_IMETHOD Done(int16_t aResult) override;
private:
nsCOMPtr<nsIFilePicker> mFilePicker;
nsRefPtr<HTMLInputElement> mInput;
};
};
} // namespace dom
} // namespace mozilla
#endif
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