gecko-dev/dom/html/HTMLObjectElement.cpp
Olli Pettay 556df42aa4 Bug 1037687, load iframes in shadow DOM, r=wchen
--HG--
extra : rebase_source : 4db8f02b4e35c36100ee96b251ac6b405a70ba7d
2015-02-24 16:41:43 +02:00

519 lines
14 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
// vim:set et sw=2 sts=2 cin:
/* 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/EventStates.h"
#include "mozilla/dom/HTMLObjectElement.h"
#include "mozilla/dom/HTMLObjectElementBinding.h"
#include "mozilla/dom/ElementInlines.h"
#include "nsAutoPtr.h"
#include "nsAttrValueInlines.h"
#include "nsGkAtoms.h"
#include "nsError.h"
#include "nsIDocument.h"
#include "nsIPluginDocument.h"
#include "nsIDOMDocument.h"
#include "nsFormSubmission.h"
#include "nsIObjectFrame.h"
#include "nsNPAPIPluginInstance.h"
#include "nsIWidget.h"
#include "nsContentUtils.h"
#ifdef XP_MACOSX
#include "mozilla/EventDispatcher.h"
#include "mozilla/dom/Event.h"
#endif
namespace mozilla {
namespace dom {
HTMLObjectElement::HTMLObjectElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo,
FromParser aFromParser)
: nsGenericHTMLFormElement(aNodeInfo),
mIsDoneAddingChildren(!aFromParser)
{
RegisterActivityObserver();
SetIsNetworkCreated(aFromParser == FROM_PARSER_NETWORK);
// <object> is always barred from constraint validation.
SetBarredFromConstraintValidation(true);
// By default we're in the loading state
AddStatesSilently(NS_EVENT_STATE_LOADING);
}
HTMLObjectElement::~HTMLObjectElement()
{
UnregisterActivityObserver();
DestroyImageLoadingContent();
}
bool
HTMLObjectElement::IsInteractiveHTMLContent() const
{
return HasAttr(kNameSpaceID_None, nsGkAtoms::usemap);
}
bool
HTMLObjectElement::IsDoneAddingChildren()
{
return mIsDoneAddingChildren;
}
void
HTMLObjectElement::DoneAddingChildren(bool aHaveNotified)
{
mIsDoneAddingChildren = true;
// If we're already in a document, we need to trigger the load
// Otherwise, BindToTree takes care of that.
if (IsInComposedDoc()) {
StartObjectLoad(aHaveNotified);
}
}
NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLObjectElement)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(HTMLObjectElement,
nsGenericHTMLFormElement)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mValidity)
nsObjectLoadingContent::Traverse(tmp, cb);
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(HTMLObjectElement,
nsGenericHTMLFormElement)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mValidity)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_ADDREF_INHERITED(HTMLObjectElement, Element)
NS_IMPL_RELEASE_INHERITED(HTMLObjectElement, Element)
NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(HTMLObjectElement)
NS_INTERFACE_TABLE_INHERITED(HTMLObjectElement,
nsIDOMHTMLObjectElement,
imgINotificationObserver,
nsIRequestObserver,
nsIStreamListener,
nsIFrameLoaderOwner,
nsIObjectLoadingContent,
nsIImageLoadingContent,
imgIOnloadBlocker,
nsIChannelEventSink,
nsIConstraintValidation)
NS_INTERFACE_TABLE_TAIL_INHERITING(nsGenericHTMLFormElement)
NS_IMPL_ELEMENT_CLONE(HTMLObjectElement)
// nsIConstraintValidation
NS_IMPL_NSICONSTRAINTVALIDATION(HTMLObjectElement)
#ifdef XP_MACOSX
static nsIWidget* GetWidget(Element* aElement)
{
nsIWidget* retval = NULL;
nsIFrame* frame = aElement->GetPrimaryFrame();
if (frame) {
retval = frame->GetNearestWidget();
}
return retval;
}
static void OnFocusBlurPlugin(Element* aElement, bool aFocus)
{
nsIWidget* widget = GetWidget(aElement);
if (widget) {
bool value = aFocus;
widget->SetPluginFocused(value);
}
}
void
HTMLObjectElement::HandleFocusBlurPlugin(Element* aElement,
WidgetEvent* aEvent)
{
if (!aEvent->mFlags.mIsTrusted) {
return;
}
switch (aEvent->message) {
case NS_FOCUS_CONTENT: {
OnFocusBlurPlugin(aElement, true);
break;
}
case NS_BLUR_CONTENT: {
OnFocusBlurPlugin(aElement, false);
break;
}
}
}
NS_IMETHODIMP
HTMLObjectElement::PostHandleEvent(EventChainPostVisitor& aVisitor)
{
HandleFocusBlurPlugin(this, aVisitor.mEvent);
return NS_OK;
}
#endif // #ifdef XP_MACOSX
NS_IMETHODIMP
HTMLObjectElement::GetForm(nsIDOMHTMLFormElement **aForm)
{
return nsGenericHTMLFormElement::GetForm(aForm);
}
void
HTMLObjectElement::GetItemValueText(DOMString& aValue)
{
GetData(aValue);
}
void
HTMLObjectElement::SetItemValueText(const nsAString& aValue)
{
SetData(aValue);
}
nsresult
HTMLObjectElement::BindToTree(nsIDocument *aDocument,
nsIContent *aParent,
nsIContent *aBindingParent,
bool aCompileEventHandlers)
{
nsresult rv = nsGenericHTMLFormElement::BindToTree(aDocument, aParent,
aBindingParent,
aCompileEventHandlers);
NS_ENSURE_SUCCESS(rv, rv);
rv = nsObjectLoadingContent::BindToTree(aDocument, aParent,
aBindingParent,
aCompileEventHandlers);
NS_ENSURE_SUCCESS(rv, rv);
// Don't kick off load from being bound to a plugin document - the plugin
// document will call nsObjectLoadingContent::InitializeFromChannel() for the
// initial load.
nsCOMPtr<nsIPluginDocument> pluginDoc = do_QueryInterface(aDocument);
// If we already have all the children, start the load.
if (mIsDoneAddingChildren && !pluginDoc) {
void (HTMLObjectElement::*start)() = &HTMLObjectElement::StartObjectLoad;
nsContentUtils::AddScriptRunner(NS_NewRunnableMethod(this, start));
}
return NS_OK;
}
void
HTMLObjectElement::UnbindFromTree(bool aDeep,
bool aNullParent)
{
nsObjectLoadingContent::UnbindFromTree(aDeep, aNullParent);
nsGenericHTMLFormElement::UnbindFromTree(aDeep, aNullParent);
}
nsresult
HTMLObjectElement::SetAttr(int32_t aNameSpaceID, nsIAtom *aName,
nsIAtom *aPrefix, const nsAString &aValue,
bool aNotify)
{
nsresult rv = nsGenericHTMLFormElement::SetAttr(aNameSpaceID, aName, aPrefix,
aValue, aNotify);
NS_ENSURE_SUCCESS(rv, rv);
// if aNotify is false, we are coming from the parser or some such place;
// we'll get bound after all the attributes have been set, so we'll do the
// object load from BindToTree/DoneAddingChildren.
// Skip the LoadObject call in that case.
// We also don't want to start loading the object when we're not yet in
// a document, just in case that the caller wants to set additional
// attributes before inserting the node into the document.
if (aNotify && IsInComposedDoc() && mIsDoneAddingChildren &&
aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::data) {
return LoadObject(aNotify, true);
}
return NS_OK;
}
nsresult
HTMLObjectElement::UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
bool aNotify)
{
nsresult rv = nsGenericHTMLFormElement::UnsetAttr(aNameSpaceID,
aAttribute, aNotify);
NS_ENSURE_SUCCESS(rv, rv);
// See comment in SetAttr
if (aNotify && IsInComposedDoc() && mIsDoneAddingChildren &&
aNameSpaceID == kNameSpaceID_None && aAttribute == nsGkAtoms::data) {
return LoadObject(aNotify, true);
}
return NS_OK;
}
bool
HTMLObjectElement::IsFocusableForTabIndex()
{
nsIDocument* doc = GetComposedDoc();
if (!doc || doc->HasFlag(NODE_IS_EDITABLE)) {
return false;
}
return IsEditableRoot() ||
(Type() == eType_Document &&
nsContentUtils::IsSubDocumentTabbable(this));
}
bool
HTMLObjectElement::IsHTMLFocusable(bool aWithMouse,
bool *aIsFocusable, int32_t *aTabIndex)
{
// TODO: this should probably be managed directly by IsHTMLFocusable.
// See bug 597242.
nsIDocument *doc = GetComposedDoc();
if (!doc || doc->HasFlag(NODE_IS_EDITABLE)) {
if (aTabIndex) {
GetTabIndex(aTabIndex);
}
*aIsFocusable = false;
return false;
}
// This method doesn't call nsGenericHTMLFormElement intentionally.
// TODO: It should probably be changed when bug 597242 will be fixed.
if (Type() == eType_Plugin || IsEditableRoot() ||
(Type() == eType_Document && nsContentUtils::IsSubDocumentTabbable(this))) {
// Has plugin content: let the plugin decide what to do in terms of
// internal focus from mouse clicks
if (aTabIndex) {
GetTabIndex(aTabIndex);
}
*aIsFocusable = true;
return false;
}
// TODO: this should probably be managed directly by IsHTMLFocusable.
// See bug 597242.
const nsAttrValue* attrVal = mAttrsAndChildren.GetAttr(nsGkAtoms::tabindex);
*aIsFocusable = attrVal && attrVal->Type() == nsAttrValue::eInteger;
if (aTabIndex && *aIsFocusable) {
*aTabIndex = attrVal->GetIntegerValue();
}
return false;
}
nsIContent::IMEState
HTMLObjectElement::GetDesiredIMEState()
{
if (Type() == eType_Plugin) {
return IMEState(IMEState::PLUGIN);
}
return nsGenericHTMLFormElement::GetDesiredIMEState();
}
NS_IMETHODIMP
HTMLObjectElement::Reset()
{
return NS_OK;
}
NS_IMETHODIMP
HTMLObjectElement::SubmitNamesValues(nsFormSubmission *aFormSubmission)
{
nsAutoString name;
if (!GetAttr(kNameSpaceID_None, nsGkAtoms::name, name)) {
// No name, don't submit.
return NS_OK;
}
nsIFrame* frame = GetPrimaryFrame();
nsIObjectFrame *objFrame = do_QueryFrame(frame);
if (!objFrame) {
// No frame, nothing to submit.
return NS_OK;
}
nsRefPtr<nsNPAPIPluginInstance> pi;
objFrame->GetPluginInstance(getter_AddRefs(pi));
if (!pi)
return NS_OK;
nsAutoString value;
nsresult rv = pi->GetFormValue(value);
NS_ENSURE_SUCCESS(rv, rv);
return aFormSubmission->AddNameValuePair(name, value);
}
NS_IMPL_STRING_ATTR(HTMLObjectElement, Align, align)
NS_IMPL_STRING_ATTR(HTMLObjectElement, Archive, archive)
NS_IMPL_STRING_ATTR(HTMLObjectElement, Border, border)
NS_IMPL_URI_ATTR_WITH_BASE(HTMLObjectElement, Code, code, codebase)
NS_IMPL_URI_ATTR(HTMLObjectElement, CodeBase, codebase)
NS_IMPL_STRING_ATTR(HTMLObjectElement, CodeType, codetype)
NS_IMPL_URI_ATTR_WITH_BASE(HTMLObjectElement, Data, data, codebase)
NS_IMPL_BOOL_ATTR(HTMLObjectElement, Declare, declare)
NS_IMPL_STRING_ATTR(HTMLObjectElement, Height, height)
NS_IMPL_INT_ATTR(HTMLObjectElement, Hspace, hspace)
NS_IMPL_STRING_ATTR(HTMLObjectElement, Name, name)
NS_IMPL_STRING_ATTR(HTMLObjectElement, Standby, standby)
NS_IMPL_STRING_ATTR(HTMLObjectElement, Type, type)
NS_IMPL_STRING_ATTR(HTMLObjectElement, UseMap, usemap)
NS_IMPL_INT_ATTR(HTMLObjectElement, Vspace, vspace)
NS_IMPL_STRING_ATTR(HTMLObjectElement, Width, width)
int32_t
HTMLObjectElement::TabIndexDefault()
{
return IsFocusableForTabIndex() ? 0 : -1;
}
NS_IMETHODIMP
HTMLObjectElement::GetContentDocument(nsIDOMDocument **aContentDocument)
{
NS_ENSURE_ARG_POINTER(aContentDocument);
nsCOMPtr<nsIDOMDocument> domDoc = do_QueryInterface(GetContentDocument());
domDoc.forget(aContentDocument);
return NS_OK;
}
nsIDOMWindow*
HTMLObjectElement::GetContentWindow()
{
nsIDocument* doc = GetContentDocument();
if (doc) {
return doc->GetWindow();
}
return nullptr;
}
bool
HTMLObjectElement::ParseAttribute(int32_t aNamespaceID,
nsIAtom *aAttribute,
const nsAString &aValue,
nsAttrValue &aResult)
{
if (aNamespaceID == kNameSpaceID_None) {
if (aAttribute == nsGkAtoms::align) {
return ParseAlignValue(aValue, aResult);
}
if (ParseImageAttribute(aAttribute, aValue, aResult)) {
return true;
}
}
return nsGenericHTMLFormElement::ParseAttribute(aNamespaceID, aAttribute,
aValue, aResult);
}
void
HTMLObjectElement::MapAttributesIntoRule(const nsMappedAttributes *aAttributes,
nsRuleData *aData)
{
nsGenericHTMLFormElement::MapImageAlignAttributeInto(aAttributes, aData);
nsGenericHTMLFormElement::MapImageBorderAttributeInto(aAttributes, aData);
nsGenericHTMLFormElement::MapImageMarginAttributeInto(aAttributes, aData);
nsGenericHTMLFormElement::MapImageSizeAttributesInto(aAttributes, aData);
nsGenericHTMLFormElement::MapCommonAttributesInto(aAttributes, aData);
}
NS_IMETHODIMP_(bool)
HTMLObjectElement::IsAttributeMapped(const nsIAtom *aAttribute) const
{
static const MappedAttributeEntry* const map[] = {
sCommonAttributeMap,
sImageMarginSizeAttributeMap,
sImageBorderAttributeMap,
sImageAlignAttributeMap,
};
return FindAttributeDependence(aAttribute, map);
}
nsMapRuleToAttributesFunc
HTMLObjectElement::GetAttributeMappingFunction() const
{
return &MapAttributesIntoRule;
}
void
HTMLObjectElement::StartObjectLoad(bool aNotify)
{
// BindToTree can call us asynchronously, and we may be removed from the tree
// in the interim
if (!IsInComposedDoc() || !OwnerDoc()->IsActive()) {
return;
}
LoadObject(aNotify);
SetIsNetworkCreated(false);
}
EventStates
HTMLObjectElement::IntrinsicState() const
{
return nsGenericHTMLFormElement::IntrinsicState() | ObjectState();
}
uint32_t
HTMLObjectElement::GetCapabilities() const
{
return nsObjectLoadingContent::GetCapabilities() | eSupportClassID;
}
void
HTMLObjectElement::DestroyContent()
{
nsObjectLoadingContent::DestroyContent();
nsGenericHTMLFormElement::DestroyContent();
}
nsresult
HTMLObjectElement::CopyInnerTo(Element* aDest)
{
nsresult rv = nsGenericHTMLFormElement::CopyInnerTo(aDest);
NS_ENSURE_SUCCESS(rv, rv);
if (aDest->OwnerDoc()->IsStaticDocument()) {
CreateStaticClone(static_cast<HTMLObjectElement*>(aDest));
}
return rv;
}
JSObject*
HTMLObjectElement::WrapNode(JSContext* aCx)
{
JS::Rooted<JSObject*> obj(aCx,
HTMLObjectElementBinding::Wrap(aCx, this));
if (!obj) {
return nullptr;
}
SetupProtoChain(aCx, obj);
return obj;
}
} // namespace dom
} // namespace mozilla
NS_IMPL_NS_NEW_HTML_ELEMENT_CHECK_PARSER(Object)