mirror of
https://github.com/classilla/tenfourfox.git
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303 lines
9.1 KiB
C++
303 lines
9.1 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 "MediaDocument.h"
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#include "nsIPluginDocument.h"
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#include "nsGkAtoms.h"
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#include "nsIPresShell.h"
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#include "nsIObjectFrame.h"
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#include "nsNPAPIPluginInstance.h"
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#include "nsIDocumentInlines.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsNodeInfoManager.h"
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#include "nsContentCreatorFunctions.h"
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#include "nsContentPolicyUtils.h"
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#include "nsIPropertyBag2.h"
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#include "mozilla/dom/Element.h"
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#include "nsObjectLoadingContent.h"
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#include "GeckoProfiler.h"
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namespace mozilla {
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namespace dom {
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class PluginDocument final : public MediaDocument
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, public nsIPluginDocument
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{
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public:
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PluginDocument();
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIPLUGINDOCUMENT
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virtual nsresult StartDocumentLoad(const char* aCommand,
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nsIChannel* aChannel,
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nsILoadGroup* aLoadGroup,
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nsISupports* aContainer,
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nsIStreamListener** aDocListener,
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bool aReset = true,
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nsIContentSink* aSink = nullptr) override;
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virtual void SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject) override;
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virtual bool CanSavePresentation(nsIRequest *aNewRequest) override;
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const nsCString& GetType() const { return mMimeType; }
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Element* GetPluginContent() { return mPluginContent; }
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void StartLayout() { MediaDocument::StartLayout(); }
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(PluginDocument, MediaDocument)
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protected:
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virtual ~PluginDocument();
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nsresult CreateSyntheticPluginDocument();
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nsCOMPtr<Element> mPluginContent;
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RefPtr<MediaDocumentStreamListener> mStreamListener;
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nsCString mMimeType;
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};
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class PluginStreamListener : public MediaDocumentStreamListener
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{
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public:
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explicit PluginStreamListener(PluginDocument* aDoc)
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: MediaDocumentStreamListener(aDoc)
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, mPluginDoc(aDoc)
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{}
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NS_IMETHOD OnStartRequest(nsIRequest* request, nsISupports *ctxt);
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private:
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RefPtr<PluginDocument> mPluginDoc;
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};
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NS_IMETHODIMP
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PluginStreamListener::OnStartRequest(nsIRequest* request, nsISupports *ctxt)
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{
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PROFILER_LABEL("PluginStreamListener", "OnStartRequest",
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js::ProfileEntry::Category::NETWORK);
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nsCOMPtr<nsIContent> embed = mPluginDoc->GetPluginContent();
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nsCOMPtr<nsIObjectLoadingContent> objlc = do_QueryInterface(embed);
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nsCOMPtr<nsIStreamListener> objListener = do_QueryInterface(objlc);
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if (!objListener) {
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NS_NOTREACHED("PluginStreamListener without appropriate content node");
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return NS_BINDING_ABORTED;
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}
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SetStreamListener(objListener);
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// Sets up the ObjectLoadingContent tag as if it is waiting for a
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// channel, so it can proceed with a load normally once it gets OnStartRequest
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nsresult rv = objlc->InitializeFromChannel(request);
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if (NS_FAILED(rv)) {
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NS_NOTREACHED("InitializeFromChannel failed");
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return rv;
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}
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// Note that because we're now hooked up to a plugin listener, this will
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// likely spawn a plugin, which may re-enter.
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return MediaDocumentStreamListener::OnStartRequest(request, ctxt);
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}
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// NOTE! nsDocument::operator new() zeroes out all members, so don't
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// bother initializing members to 0.
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PluginDocument::PluginDocument()
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{}
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PluginDocument::~PluginDocument()
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{}
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NS_IMPL_CYCLE_COLLECTION_INHERITED(PluginDocument, MediaDocument,
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mPluginContent)
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NS_IMPL_ADDREF_INHERITED(PluginDocument, MediaDocument)
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NS_IMPL_RELEASE_INHERITED(PluginDocument, MediaDocument)
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NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(PluginDocument)
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NS_INTERFACE_TABLE_INHERITED(PluginDocument, nsIPluginDocument)
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NS_INTERFACE_TABLE_TAIL_INHERITING(MediaDocument)
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void
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PluginDocument::SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject)
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{
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// Set the script global object on the superclass before doing
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// anything that might require it....
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MediaDocument::SetScriptGlobalObject(aScriptGlobalObject);
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if (aScriptGlobalObject) {
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if (!mPluginContent) {
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// Create synthetic document
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#ifdef DEBUG
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nsresult rv =
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#endif
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CreateSyntheticPluginDocument();
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NS_ASSERTION(NS_SUCCEEDED(rv), "failed to create synthetic document");
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}
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BecomeInteractive();
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} else {
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mStreamListener = nullptr;
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}
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}
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bool
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PluginDocument::CanSavePresentation(nsIRequest *aNewRequest)
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{
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// Full-page plugins cannot be cached, currently, because we don't have
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// the stream listener data to feed to the plugin instance.
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return false;
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}
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nsresult
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PluginDocument::StartDocumentLoad(const char* aCommand,
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nsIChannel* aChannel,
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nsILoadGroup* aLoadGroup,
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nsISupports* aContainer,
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nsIStreamListener** aDocListener,
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bool aReset,
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nsIContentSink* aSink)
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{
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// do not allow message panes to host full-page plugins
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// returning an error causes helper apps to take over
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nsCOMPtr<nsIDocShellTreeItem> dsti (do_QueryInterface(aContainer));
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if (dsti) {
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bool isMsgPane = false;
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dsti->NameEquals(MOZ_UTF16("messagepane"), &isMsgPane);
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if (isMsgPane) {
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return NS_ERROR_FAILURE;
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}
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}
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nsresult rv =
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MediaDocument::StartDocumentLoad(aCommand, aChannel, aLoadGroup, aContainer,
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aDocListener, aReset, aSink);
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if (NS_FAILED(rv)) {
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return rv;
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}
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rv = aChannel->GetContentType(mMimeType);
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if (NS_FAILED(rv)) {
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return rv;
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}
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MediaDocument::UpdateTitleAndCharset(mMimeType, aChannel);
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mStreamListener = new PluginStreamListener(this);
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NS_ASSERTION(aDocListener, "null aDocListener");
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NS_ADDREF(*aDocListener = mStreamListener);
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return rv;
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}
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nsresult
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PluginDocument::CreateSyntheticPluginDocument()
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{
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NS_ASSERTION(!GetShell() || !GetShell()->DidInitialize(),
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"Creating synthetic plugin document content too late");
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// make our generic document
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nsresult rv = MediaDocument::CreateSyntheticDocument();
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NS_ENSURE_SUCCESS(rv, rv);
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// then attach our plugin
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Element* body = GetBodyElement();
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if (!body) {
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NS_WARNING("no body on plugin document!");
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return NS_ERROR_FAILURE;
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}
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// remove margins from body
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NS_NAMED_LITERAL_STRING(zero, "0");
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body->SetAttr(kNameSpaceID_None, nsGkAtoms::marginwidth, zero, false);
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body->SetAttr(kNameSpaceID_None, nsGkAtoms::marginheight, zero, false);
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// make plugin content
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RefPtr<mozilla::dom::NodeInfo> nodeInfo;
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nodeInfo = mNodeInfoManager->GetNodeInfo(nsGkAtoms::embed, nullptr,
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kNameSpaceID_XHTML,
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nsIDOMNode::ELEMENT_NODE);
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rv = NS_NewHTMLElement(getter_AddRefs(mPluginContent), nodeInfo.forget(),
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NOT_FROM_PARSER);
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NS_ENSURE_SUCCESS(rv, rv);
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// make it a named element
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mPluginContent->SetAttr(kNameSpaceID_None, nsGkAtoms::name,
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NS_LITERAL_STRING("plugin"), false);
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// fill viewport and auto-resize
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NS_NAMED_LITERAL_STRING(percent100, "100%");
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mPluginContent->SetAttr(kNameSpaceID_None, nsGkAtoms::width, percent100,
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false);
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mPluginContent->SetAttr(kNameSpaceID_None, nsGkAtoms::height, percent100,
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false);
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// set URL
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nsAutoCString src;
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mDocumentURI->GetSpec(src);
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mPluginContent->SetAttr(kNameSpaceID_None, nsGkAtoms::src,
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NS_ConvertUTF8toUTF16(src), false);
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// set mime type
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mPluginContent->SetAttr(kNameSpaceID_None, nsGkAtoms::type,
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NS_ConvertUTF8toUTF16(mMimeType), false);
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// nsHTML(Shared)ObjectElement does not kick off a load on BindToTree if it is
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// to a PluginDocument
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body->AppendChildTo(mPluginContent, false);
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return NS_OK;
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}
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NS_IMETHODIMP
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PluginDocument::Print()
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{
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NS_ENSURE_TRUE(mPluginContent, NS_ERROR_FAILURE);
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nsIObjectFrame* objectFrame =
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do_QueryFrame(mPluginContent->GetPrimaryFrame());
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if (objectFrame) {
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RefPtr<nsNPAPIPluginInstance> pi;
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objectFrame->GetPluginInstance(getter_AddRefs(pi));
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if (pi) {
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NPPrint npprint;
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npprint.mode = NP_FULL;
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npprint.print.fullPrint.pluginPrinted = false;
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npprint.print.fullPrint.printOne = false;
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npprint.print.fullPrint.platformPrint = nullptr;
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pi->Print(&npprint);
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}
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}
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return NS_OK;
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}
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} // namespace dom
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} // namespace mozilla
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nsresult
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NS_NewPluginDocument(nsIDocument** aResult)
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{
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mozilla::dom::PluginDocument* doc = new mozilla::dom::PluginDocument();
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NS_ADDREF(doc);
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nsresult rv = doc->Init();
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if (NS_FAILED(rv)) {
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NS_RELEASE(doc);
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}
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*aResult = doc;
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return rv;
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}
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