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e8ec349629
In a number of places, there's no substantial use of maps any more after the segue. The ELEMENT segue tries the FragmentOrElement QI, but that is redundant with the Element QI. This lets me use a few higher-level macros. MozReview-Commit-ID: Gstq3Cm8LDl --HG-- extra : rebase_source : f0c7dbf5281ce7375b1369b49db095a211569d6c
357 lines
11 KiB
C++
357 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/EventStates.h"
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#include "mozilla/dom/HTMLEmbedElement.h"
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#include "mozilla/dom/HTMLEmbedElementBinding.h"
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#include "mozilla/dom/ElementInlines.h"
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#include "nsIDocument.h"
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#include "nsIPluginDocument.h"
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#include "nsIDOMDocument.h"
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#include "nsThreadUtils.h"
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#include "nsIScriptError.h"
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#include "nsIWidget.h"
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#include "nsContentUtils.h"
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#ifdef XP_MACOSX
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#include "mozilla/EventDispatcher.h"
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#include "mozilla/dom/Event.h"
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#endif
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#include "mozilla/dom/HTMLObjectElement.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT_CHECK_PARSER(Embed)
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namespace mozilla {
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namespace dom {
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HTMLEmbedElement::HTMLEmbedElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo,
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FromParser aFromParser)
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: nsGenericHTMLElement(aNodeInfo)
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{
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RegisterActivityObserver();
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SetIsNetworkCreated(aFromParser == FROM_PARSER_NETWORK);
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// By default we're in the loading state
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AddStatesSilently(NS_EVENT_STATE_LOADING);
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}
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HTMLEmbedElement::~HTMLEmbedElement()
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{
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#ifdef XP_MACOSX
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HTMLObjectElement::OnFocusBlurPlugin(this, false);
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#endif
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UnregisterActivityObserver();
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DestroyImageLoadingContent();
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLEmbedElement)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(HTMLEmbedElement,
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nsGenericHTMLElement)
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nsObjectLoadingContent::Traverse(tmp, cb);
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_ADDREF_INHERITED(HTMLEmbedElement, Element)
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NS_IMPL_RELEASE_INHERITED(HTMLEmbedElement, Element)
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NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(HTMLEmbedElement)
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NS_INTERFACE_TABLE_INHERITED(HTMLEmbedElement,
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nsIRequestObserver,
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nsIStreamListener,
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nsIFrameLoaderOwner,
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nsIObjectLoadingContent,
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imgINotificationObserver,
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nsIImageLoadingContent,
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imgIOnloadBlocker,
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nsIChannelEventSink)
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NS_INTERFACE_TABLE_TAIL_INHERITING(nsGenericHTMLElement)
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NS_IMPL_ELEMENT_CLONE(HTMLEmbedElement)
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#ifdef XP_MACOSX
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NS_IMETHODIMP
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HTMLEmbedElement::PostHandleEvent(EventChainPostVisitor& aVisitor)
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{
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HTMLObjectElement::HandleFocusBlurPlugin(this, aVisitor.mEvent);
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return NS_OK;
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}
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#endif // #ifdef XP_MACOSX
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void
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HTMLEmbedElement::AsyncEventRunning(AsyncEventDispatcher* aEvent)
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{
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nsImageLoadingContent::AsyncEventRunning(aEvent);
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}
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nsresult
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HTMLEmbedElement::BindToTree(nsIDocument *aDocument,
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nsIContent *aParent,
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nsIContent *aBindingParent,
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bool aCompileEventHandlers)
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{
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nsresult rv = nsGenericHTMLElement::BindToTree(aDocument, aParent,
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aBindingParent,
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aCompileEventHandlers);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = nsObjectLoadingContent::BindToTree(aDocument, aParent,
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aBindingParent,
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aCompileEventHandlers);
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NS_ENSURE_SUCCESS(rv, rv);
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// Don't kick off load from being bound to a plugin document - the plugin
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// document will call nsObjectLoadingContent::InitializeFromChannel() for the
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// initial load.
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nsCOMPtr<nsIPluginDocument> pluginDoc = do_QueryInterface(aDocument);
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if (!pluginDoc) {
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void (HTMLEmbedElement::*start)() = &HTMLEmbedElement::StartObjectLoad;
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nsContentUtils::AddScriptRunner(NewRunnableMethod(
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"dom::HTMLEmbedElement::BindToTree", this, start));
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}
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return NS_OK;
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}
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void
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HTMLEmbedElement::UnbindFromTree(bool aDeep,
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bool aNullParent)
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{
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#ifdef XP_MACOSX
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// When a page is reloaded (when an nsIDocument's content is removed), the
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// focused element isn't necessarily sent an eBlur event. See
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// nsFocusManager::ContentRemoved(). This means that a widget may think it
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// still contains a focused plugin when it doesn't -- which in turn can
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// disable text input in the browser window. See bug 1137229.
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HTMLObjectElement::OnFocusBlurPlugin(this, false);
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#endif
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nsObjectLoadingContent::UnbindFromTree(aDeep, aNullParent);
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nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent);
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}
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nsresult
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HTMLEmbedElement::AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
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const nsAttrValue* aValue,
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const nsAttrValue* aOldValue,
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bool aNotify)
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{
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if (aValue) {
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nsresult rv = AfterMaybeChangeAttr(aNamespaceID, aName, aNotify);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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return nsGenericHTMLElement::AfterSetAttr(aNamespaceID, aName, aValue,
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aOldValue, aNotify);
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}
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nsresult
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HTMLEmbedElement::OnAttrSetButNotChanged(int32_t aNamespaceID,
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nsIAtom* aName,
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const nsAttrValueOrString& aValue,
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bool aNotify)
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{
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nsresult rv = AfterMaybeChangeAttr(aNamespaceID, aName, aNotify);
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NS_ENSURE_SUCCESS(rv, rv);
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return nsGenericHTMLElement::OnAttrSetButNotChanged(aNamespaceID, aName,
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aValue, aNotify);
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}
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nsresult
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HTMLEmbedElement::AfterMaybeChangeAttr(int32_t aNamespaceID,
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nsIAtom* aName,
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bool aNotify)
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{
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if (aNamespaceID == kNameSpaceID_None) {
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if (aName == nsGkAtoms::src) {
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// If aNotify is false, we are coming from the parser or some such place;
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// we'll get bound after all the attributes have been set, so we'll do the
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// object load from BindToTree.
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// Skip the LoadObject call in that case.
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// We also don't want to start loading the object when we're not yet in
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// a document, just in case that the caller wants to set additional
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// attributes before inserting the node into the document.
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if (aNotify && IsInComposedDoc() &&
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!BlockEmbedOrObjectContentLoading()) {
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nsresult rv = LoadObject(aNotify, true);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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}
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}
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return NS_OK;
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}
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bool
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HTMLEmbedElement::IsHTMLFocusable(bool aWithMouse,
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bool *aIsFocusable,
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int32_t *aTabIndex)
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{
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// Has plugin content: let the plugin decide what to do in terms of
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// internal focus from mouse clicks
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if (aTabIndex) {
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*aTabIndex = TabIndex();
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}
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*aIsFocusable = true;
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// Let the plugin decide, so override.
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return true;
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}
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nsIContent::IMEState
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HTMLEmbedElement::GetDesiredIMEState()
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{
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if (Type() == eType_Plugin) {
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return IMEState(IMEState::PLUGIN);
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}
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return nsGenericHTMLElement::GetDesiredIMEState();
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}
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int32_t
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HTMLEmbedElement::TabIndexDefault()
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{
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return -1;
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}
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bool
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HTMLEmbedElement::ParseAttribute(int32_t aNamespaceID,
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nsIAtom *aAttribute,
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const nsAString &aValue,
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nsAttrValue &aResult)
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{
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if (aNamespaceID == kNameSpaceID_None) {
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if (aAttribute == nsGkAtoms::align) {
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return ParseAlignValue(aValue, aResult);
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}
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if (ParseImageAttribute(aAttribute, aValue, aResult)) {
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return true;
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}
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}
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return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
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aResult);
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}
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static void
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MapAttributesIntoRuleBase(const nsMappedAttributes *aAttributes,
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GenericSpecifiedValues* aData)
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{
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nsGenericHTMLElement::MapImageBorderAttributeInto(aAttributes, aData);
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nsGenericHTMLElement::MapImageMarginAttributeInto(aAttributes, aData);
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nsGenericHTMLElement::MapImageSizeAttributesInto(aAttributes, aData);
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nsGenericHTMLElement::MapImageAlignAttributeInto(aAttributes, aData);
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}
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static void
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MapAttributesIntoRuleExceptHidden(const nsMappedAttributes *aAttributes,
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GenericSpecifiedValues* aData)
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{
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MapAttributesIntoRuleBase(aAttributes, aData);
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nsGenericHTMLElement::MapCommonAttributesIntoExceptHidden(aAttributes, aData);
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}
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void
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HTMLEmbedElement::MapAttributesIntoRule(const nsMappedAttributes *aAttributes,
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GenericSpecifiedValues* aData)
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{
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MapAttributesIntoRuleBase(aAttributes, aData);
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
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}
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NS_IMETHODIMP_(bool)
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HTMLEmbedElement::IsAttributeMapped(const nsIAtom *aAttribute) const
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{
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static const MappedAttributeEntry* const map[] = {
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sCommonAttributeMap,
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sImageMarginSizeAttributeMap,
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sImageBorderAttributeMap,
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sImageAlignAttributeMap,
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};
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return FindAttributeDependence(aAttribute, map);
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}
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nsMapRuleToAttributesFunc
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HTMLEmbedElement::GetAttributeMappingFunction() const
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{
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return &MapAttributesIntoRuleExceptHidden;
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}
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void
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HTMLEmbedElement::StartObjectLoad(bool aNotify, bool aForceLoad)
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{
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// BindToTree can call us asynchronously, and we may be removed from the tree
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// in the interim
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if (!IsInComposedDoc() || !OwnerDoc()->IsActive() ||
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BlockEmbedOrObjectContentLoading()) {
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return;
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}
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LoadObject(aNotify, aForceLoad);
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SetIsNetworkCreated(false);
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}
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EventStates
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HTMLEmbedElement::IntrinsicState() const
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{
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return nsGenericHTMLElement::IntrinsicState() | ObjectState();
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}
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uint32_t
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HTMLEmbedElement::GetCapabilities() const
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{
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return eSupportPlugins | eAllowPluginSkipChannel | eSupportImages | eSupportDocuments;
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}
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void
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HTMLEmbedElement::DestroyContent()
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{
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nsObjectLoadingContent::DestroyContent();
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nsGenericHTMLElement::DestroyContent();
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}
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nsresult
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HTMLEmbedElement::CopyInnerTo(Element* aDest, bool aPreallocateChildren)
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{
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nsresult rv = nsGenericHTMLElement::CopyInnerTo(aDest, aPreallocateChildren);
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NS_ENSURE_SUCCESS(rv, rv);
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if (aDest->OwnerDoc()->IsStaticDocument()) {
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CreateStaticClone(static_cast<HTMLEmbedElement*>(aDest));
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}
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return rv;
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}
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JSObject*
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HTMLEmbedElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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JSObject* obj;
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obj = HTMLEmbedElementBinding::Wrap(aCx, this, aGivenProto);
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if (!obj) {
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return nullptr;
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}
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JS::Rooted<JSObject*> rootedObj(aCx, obj);
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SetupProtoChain(aCx, rootedObj);
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return rootedObj;
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}
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nsContentPolicyType
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HTMLEmbedElement::GetContentPolicyType() const
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{
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return nsIContentPolicy::TYPE_INTERNAL_EMBED;
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}
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} // namespace dom
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} // namespace mozilla
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