mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-24 21:31:04 +00:00
64cc70e197
MozReview-Commit-ID: B8f975mZNN9 --HG-- extra : rebase_source : b44b969c733160a9e96139b6b55ac60fb140e478
420 lines
13 KiB
C++
420 lines
13 KiB
C++
/* -*- 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/EventStates.h"
|
|
#include "mozilla/dom/HTMLSharedObjectElement.h"
|
|
#include "mozilla/dom/HTMLEmbedElementBinding.h"
|
|
#include "mozilla/dom/HTMLAppletElementBinding.h"
|
|
#include "mozilla/dom/ElementInlines.h"
|
|
|
|
#include "nsIDocument.h"
|
|
#include "nsIPluginDocument.h"
|
|
#include "nsIDOMDocument.h"
|
|
#include "nsThreadUtils.h"
|
|
#include "nsIScriptError.h"
|
|
#include "nsIWidget.h"
|
|
#include "nsContentUtils.h"
|
|
#ifdef XP_MACOSX
|
|
#include "mozilla/EventDispatcher.h"
|
|
#include "mozilla/dom/Event.h"
|
|
#endif
|
|
#include "mozilla/dom/HTMLObjectElement.h"
|
|
|
|
|
|
NS_IMPL_NS_NEW_HTML_ELEMENT_CHECK_PARSER(SharedObject)
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
HTMLSharedObjectElement::HTMLSharedObjectElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo,
|
|
FromParser aFromParser)
|
|
: nsGenericHTMLElement(aNodeInfo),
|
|
mIsDoneAddingChildren(mNodeInfo->Equals(nsGkAtoms::embed) || !aFromParser)
|
|
{
|
|
RegisterActivityObserver();
|
|
SetIsNetworkCreated(aFromParser == FROM_PARSER_NETWORK);
|
|
|
|
// By default we're in the loading state
|
|
AddStatesSilently(NS_EVENT_STATE_LOADING);
|
|
}
|
|
|
|
HTMLSharedObjectElement::~HTMLSharedObjectElement()
|
|
{
|
|
#ifdef XP_MACOSX
|
|
HTMLObjectElement::OnFocusBlurPlugin(this, false);
|
|
#endif
|
|
UnregisterActivityObserver();
|
|
DestroyImageLoadingContent();
|
|
}
|
|
|
|
bool
|
|
HTMLSharedObjectElement::IsDoneAddingChildren()
|
|
{
|
|
return mIsDoneAddingChildren;
|
|
}
|
|
|
|
void
|
|
HTMLSharedObjectElement::DoneAddingChildren(bool aHaveNotified)
|
|
{
|
|
if (!mIsDoneAddingChildren) {
|
|
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, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLSharedObjectElement)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(HTMLSharedObjectElement,
|
|
nsGenericHTMLElement)
|
|
nsObjectLoadingContent::Traverse(tmp, cb);
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
|
|
|
|
NS_IMPL_ADDREF_INHERITED(HTMLSharedObjectElement, Element)
|
|
NS_IMPL_RELEASE_INHERITED(HTMLSharedObjectElement, Element)
|
|
|
|
NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(HTMLSharedObjectElement)
|
|
NS_INTERFACE_TABLE_INHERITED(HTMLSharedObjectElement,
|
|
nsIRequestObserver,
|
|
nsIStreamListener,
|
|
nsIFrameLoaderOwner,
|
|
nsIObjectLoadingContent,
|
|
imgINotificationObserver,
|
|
nsIImageLoadingContent,
|
|
imgIOnloadBlocker,
|
|
nsIChannelEventSink)
|
|
NS_INTERFACE_TABLE_TO_MAP_SEGUE
|
|
NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLAppletElement, applet)
|
|
NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLEmbedElement, embed)
|
|
NS_INTERFACE_MAP_END_INHERITING(nsGenericHTMLElement)
|
|
|
|
NS_IMPL_ELEMENT_CLONE(HTMLSharedObjectElement)
|
|
|
|
#ifdef XP_MACOSX
|
|
|
|
NS_IMETHODIMP
|
|
HTMLSharedObjectElement::PostHandleEvent(EventChainPostVisitor& aVisitor)
|
|
{
|
|
HTMLObjectElement::HandleFocusBlurPlugin(this, aVisitor.mEvent);
|
|
return NS_OK;
|
|
}
|
|
|
|
#endif // #ifdef XP_MACOSX
|
|
|
|
void
|
|
HTMLSharedObjectElement::AsyncEventRunning(AsyncEventDispatcher* aEvent)
|
|
{
|
|
nsImageLoadingContent::AsyncEventRunning(aEvent);
|
|
}
|
|
|
|
nsresult
|
|
HTMLSharedObjectElement::BindToTree(nsIDocument *aDocument,
|
|
nsIContent *aParent,
|
|
nsIContent *aBindingParent,
|
|
bool aCompileEventHandlers)
|
|
{
|
|
nsresult rv = nsGenericHTMLElement::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 (HTMLSharedObjectElement::*start)() =
|
|
&HTMLSharedObjectElement::StartObjectLoad;
|
|
nsContentUtils::AddScriptRunner(NewRunnableMethod(this, start));
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
HTMLSharedObjectElement::UnbindFromTree(bool aDeep,
|
|
bool aNullParent)
|
|
{
|
|
#ifdef XP_MACOSX
|
|
// When a page is reloaded (when an nsIDocument's content is removed), the
|
|
// focused element isn't necessarily sent an eBlur event. See
|
|
// nsFocusManager::ContentRemoved(). This means that a widget may think it
|
|
// still contains a focused plugin when it doesn't -- which in turn can
|
|
// disable text input in the browser window. See bug 1137229.
|
|
HTMLObjectElement::OnFocusBlurPlugin(this, false);
|
|
#endif
|
|
nsObjectLoadingContent::UnbindFromTree(aDeep, aNullParent);
|
|
nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent);
|
|
}
|
|
|
|
|
|
nsresult
|
|
HTMLSharedObjectElement::SetAttr(int32_t aNameSpaceID, nsIAtom *aName,
|
|
nsIAtom *aPrefix, const nsAString &aValue,
|
|
bool aNotify)
|
|
{
|
|
nsresult rv = nsGenericHTMLElement::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 == URIAttrName()
|
|
&& !BlockEmbedContentLoading()) {
|
|
return LoadObject(aNotify, true);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
bool
|
|
HTMLSharedObjectElement::IsHTMLFocusable(bool aWithMouse,
|
|
bool *aIsFocusable,
|
|
int32_t *aTabIndex)
|
|
{
|
|
if (mNodeInfo->Equals(nsGkAtoms::embed) || Type() == eType_Plugin) {
|
|
// Has plugin content: let the plugin decide what to do in terms of
|
|
// internal focus from mouse clicks
|
|
if (aTabIndex) {
|
|
GetTabIndex(aTabIndex);
|
|
}
|
|
|
|
*aIsFocusable = true;
|
|
|
|
// Let the plugin decide, so override.
|
|
return true;
|
|
}
|
|
|
|
return nsGenericHTMLElement::IsHTMLFocusable(aWithMouse, aIsFocusable, aTabIndex);
|
|
}
|
|
|
|
nsIContent::IMEState
|
|
HTMLSharedObjectElement::GetDesiredIMEState()
|
|
{
|
|
if (Type() == eType_Plugin) {
|
|
return IMEState(IMEState::PLUGIN);
|
|
}
|
|
|
|
return nsGenericHTMLElement::GetDesiredIMEState();
|
|
}
|
|
|
|
NS_IMPL_STRING_ATTR(HTMLSharedObjectElement, Align, align)
|
|
NS_IMPL_STRING_ATTR(HTMLSharedObjectElement, Alt, alt)
|
|
NS_IMPL_STRING_ATTR(HTMLSharedObjectElement, Archive, archive)
|
|
NS_IMPL_STRING_ATTR(HTMLSharedObjectElement, Code, code)
|
|
NS_IMPL_URI_ATTR(HTMLSharedObjectElement, CodeBase, codebase)
|
|
NS_IMPL_STRING_ATTR(HTMLSharedObjectElement, Height, height)
|
|
NS_IMPL_INT_ATTR(HTMLSharedObjectElement, Hspace, hspace)
|
|
NS_IMPL_STRING_ATTR(HTMLSharedObjectElement, Name, name)
|
|
NS_IMPL_URI_ATTR_WITH_BASE(HTMLSharedObjectElement, Object, object, codebase)
|
|
NS_IMPL_URI_ATTR(HTMLSharedObjectElement, Src, src)
|
|
NS_IMPL_STRING_ATTR(HTMLSharedObjectElement, Type, type)
|
|
NS_IMPL_INT_ATTR(HTMLSharedObjectElement, Vspace, vspace)
|
|
NS_IMPL_STRING_ATTR(HTMLSharedObjectElement, Width, width)
|
|
|
|
int32_t
|
|
HTMLSharedObjectElement::TabIndexDefault()
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
bool
|
|
HTMLSharedObjectElement::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 nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
|
|
aResult);
|
|
}
|
|
|
|
static void
|
|
MapAttributesIntoRuleBase(const nsMappedAttributes *aAttributes,
|
|
nsRuleData *aData)
|
|
{
|
|
nsGenericHTMLElement::MapImageBorderAttributeInto(aAttributes, aData);
|
|
nsGenericHTMLElement::MapImageMarginAttributeInto(aAttributes, aData);
|
|
nsGenericHTMLElement::MapImageSizeAttributesInto(aAttributes, aData);
|
|
nsGenericHTMLElement::MapImageAlignAttributeInto(aAttributes, aData);
|
|
}
|
|
|
|
static void
|
|
MapAttributesIntoRuleExceptHidden(const nsMappedAttributes *aAttributes,
|
|
nsRuleData *aData)
|
|
{
|
|
MapAttributesIntoRuleBase(aAttributes, aData);
|
|
nsGenericHTMLElement::MapCommonAttributesIntoExceptHidden(aAttributes, aData);
|
|
}
|
|
|
|
void
|
|
HTMLSharedObjectElement::MapAttributesIntoRule(const nsMappedAttributes *aAttributes,
|
|
nsRuleData *aData)
|
|
{
|
|
MapAttributesIntoRuleBase(aAttributes, aData);
|
|
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
|
|
}
|
|
|
|
NS_IMETHODIMP_(bool)
|
|
HTMLSharedObjectElement::IsAttributeMapped(const nsIAtom *aAttribute) const
|
|
{
|
|
static const MappedAttributeEntry* const map[] = {
|
|
sCommonAttributeMap,
|
|
sImageMarginSizeAttributeMap,
|
|
sImageBorderAttributeMap,
|
|
sImageAlignAttributeMap,
|
|
};
|
|
|
|
return FindAttributeDependence(aAttribute, map);
|
|
}
|
|
|
|
|
|
nsMapRuleToAttributesFunc
|
|
HTMLSharedObjectElement::GetAttributeMappingFunction() const
|
|
{
|
|
if (mNodeInfo->Equals(nsGkAtoms::embed)) {
|
|
return &MapAttributesIntoRuleExceptHidden;
|
|
}
|
|
|
|
return &MapAttributesIntoRule;
|
|
}
|
|
|
|
void
|
|
HTMLSharedObjectElement::StartObjectLoad(bool aNotify, bool aForceLoad)
|
|
{
|
|
// BindToTree can call us asynchronously, and we may be removed from the tree
|
|
// in the interim
|
|
if (!IsInComposedDoc() || !OwnerDoc()->IsActive() ||
|
|
BlockEmbedContentLoading()) {
|
|
return;
|
|
}
|
|
|
|
LoadObject(aNotify, aForceLoad);
|
|
SetIsNetworkCreated(false);
|
|
}
|
|
|
|
EventStates
|
|
HTMLSharedObjectElement::IntrinsicState() const
|
|
{
|
|
return nsGenericHTMLElement::IntrinsicState() | ObjectState();
|
|
}
|
|
|
|
uint32_t
|
|
HTMLSharedObjectElement::GetCapabilities() const
|
|
{
|
|
uint32_t capabilities = eSupportPlugins | eAllowPluginSkipChannel;
|
|
if (mNodeInfo->Equals(nsGkAtoms::embed)) {
|
|
capabilities |= eSupportImages | eSupportDocuments;
|
|
}
|
|
|
|
return capabilities;
|
|
}
|
|
|
|
void
|
|
HTMLSharedObjectElement::DestroyContent()
|
|
{
|
|
nsObjectLoadingContent::DestroyContent();
|
|
nsGenericHTMLElement::DestroyContent();
|
|
}
|
|
|
|
nsresult
|
|
HTMLSharedObjectElement::CopyInnerTo(Element* aDest)
|
|
{
|
|
nsresult rv = nsGenericHTMLElement::CopyInnerTo(aDest);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (aDest->OwnerDoc()->IsStaticDocument()) {
|
|
CreateStaticClone(static_cast<HTMLSharedObjectElement*>(aDest));
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
JSObject*
|
|
HTMLSharedObjectElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
|
|
{
|
|
JSObject* obj;
|
|
if (mNodeInfo->Equals(nsGkAtoms::applet)) {
|
|
obj = HTMLAppletElementBinding::Wrap(aCx, this, aGivenProto);
|
|
} else {
|
|
MOZ_ASSERT(mNodeInfo->Equals(nsGkAtoms::embed));
|
|
obj = HTMLEmbedElementBinding::Wrap(aCx, this, aGivenProto);
|
|
}
|
|
if (!obj) {
|
|
return nullptr;
|
|
}
|
|
JS::Rooted<JSObject*> rootedObj(aCx, obj);
|
|
SetupProtoChain(aCx, rootedObj);
|
|
return rootedObj;
|
|
}
|
|
|
|
nsContentPolicyType
|
|
HTMLSharedObjectElement::GetContentPolicyType() const
|
|
{
|
|
if (mNodeInfo->Equals(nsGkAtoms::applet)) {
|
|
// We use TYPE_INTERNAL_OBJECT for applet too, since it is not exposed
|
|
// through RequestContext yet.
|
|
return nsIContentPolicy::TYPE_INTERNAL_OBJECT;
|
|
} else {
|
|
MOZ_ASSERT(mNodeInfo->Equals(nsGkAtoms::embed));
|
|
return nsIContentPolicy::TYPE_INTERNAL_EMBED;
|
|
}
|
|
}
|
|
|
|
bool
|
|
HTMLSharedObjectElement::BlockEmbedContentLoading()
|
|
{
|
|
// Only check on embed elements
|
|
if (!IsHTMLElement(nsGkAtoms::embed)) {
|
|
return false;
|
|
}
|
|
// Traverse up the node tree to see if we have any ancestors that may block us
|
|
// from loading
|
|
for (nsIContent* parent = GetParent(); parent; parent = parent->GetParent()) {
|
|
if (parent->IsAnyOfHTMLElements(nsGkAtoms::video, nsGkAtoms::audio)) {
|
|
return true;
|
|
}
|
|
// If we have an ancestor that is an object with a source, it'll have an
|
|
// associated displayed type. If that type is not null, don't load content
|
|
// for the embed.
|
|
if (HTMLObjectElement* object = HTMLObjectElement::FromContent(parent)) {
|
|
uint32_t type = object->DisplayedType();
|
|
if (type != eType_Null) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|