Add m-esr52 at 52.6.0

1 files changed, 419 insertions, 0 deletions

diff --git a/dom/html/HTMLSharedObjectElement.cpp b/dom/html/HTMLSharedObjectElement.cpp
new file mode 100644
index 000000000..889fd5aef
--- /dev/null
+++ b/dom/html/HTMLSharedObjectElement.cpp
@@ -0,0 +1,419 @@
+/* -*- 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