michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "MediaDocument.h"
michael@0: #include "nsGkAtoms.h"
michael@0: #include "nsNodeInfoManager.h"
michael@0: #include "nsContentCreatorFunctions.h"
michael@0: #include "mozilla/dom/HTMLMediaElement.h"
michael@0: #include "nsIDocumentInlines.h"
michael@0: #include "nsContentUtils.h"
michael@0: #include "mozilla/dom/Element.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: class VideoDocument MOZ_FINAL : public MediaDocument
michael@0: {
michael@0: public:
michael@0:   virtual nsresult StartDocumentLoad(const char*         aCommand,
michael@0:                                      nsIChannel*         aChannel,
michael@0:                                      nsILoadGroup*       aLoadGroup,
michael@0:                                      nsISupports*        aContainer,
michael@0:                                      nsIStreamListener** aDocListener,
michael@0:                                      bool                aReset = true,
michael@0:                                      nsIContentSink*     aSink = nullptr);
michael@0:   virtual void SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject);
michael@0: 
michael@0: protected:
michael@0: 
michael@0:   // Sets document <title> to reflect the file name and description.
michael@0:   void UpdateTitle(nsIChannel* aChannel);
michael@0: 
michael@0:   nsresult CreateSyntheticVideoDocument(nsIChannel* aChannel,
michael@0:                                         nsIStreamListener** aListener);
michael@0: 
michael@0:   nsRefPtr<MediaDocumentStreamListener> mStreamListener;
michael@0: };
michael@0: 
michael@0: nsresult
michael@0: VideoDocument::StartDocumentLoad(const char*         aCommand,
michael@0:                                  nsIChannel*         aChannel,
michael@0:                                  nsILoadGroup*       aLoadGroup,
michael@0:                                  nsISupports*        aContainer,
michael@0:                                  nsIStreamListener** aDocListener,
michael@0:                                  bool                aReset,
michael@0:                                  nsIContentSink*     aSink)
michael@0: {
michael@0:   nsresult rv =
michael@0:     MediaDocument::StartDocumentLoad(aCommand, aChannel, aLoadGroup, aContainer,
michael@0:                                      aDocListener, aReset, aSink);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   mStreamListener = new MediaDocumentStreamListener(this);
michael@0: 
michael@0:   // Create synthetic document
michael@0:   rv = CreateSyntheticVideoDocument(aChannel,
michael@0:       getter_AddRefs(mStreamListener->mNextStream));
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   NS_ADDREF(*aDocListener = mStreamListener);
michael@0:   return rv;
michael@0: }
michael@0: 
michael@0: void
michael@0: VideoDocument::SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject)
michael@0: {
michael@0:   // Set the script global object on the superclass before doing
michael@0:   // anything that might require it....
michael@0:   MediaDocument::SetScriptGlobalObject(aScriptGlobalObject);
michael@0: 
michael@0:   if (aScriptGlobalObject) {
michael@0:     if (!nsContentUtils::IsChildOfSameType(this) &&
michael@0:         GetReadyStateEnum() != nsIDocument::READYSTATE_COMPLETE) {
michael@0:       LinkStylesheet(NS_LITERAL_STRING("resource://gre/res/TopLevelVideoDocument.css"));
michael@0:       LinkStylesheet(NS_LITERAL_STRING("chrome://global/skin/media/TopLevelVideoDocument.css"));
michael@0:     }
michael@0:     BecomeInteractive();
michael@0:   }
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: VideoDocument::CreateSyntheticVideoDocument(nsIChannel* aChannel,
michael@0:                                             nsIStreamListener** aListener)
michael@0: {
michael@0:   // make our generic document
michael@0:   nsresult rv = MediaDocument::CreateSyntheticDocument();
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   Element* body = GetBodyElement();
michael@0:   if (!body) {
michael@0:     NS_WARNING("no body on video document!");
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   // make content
michael@0:   nsCOMPtr<nsINodeInfo> nodeInfo;
michael@0:   nodeInfo = mNodeInfoManager->GetNodeInfo(nsGkAtoms::video, nullptr,
michael@0:                                            kNameSpaceID_XHTML,
michael@0:                                            nsIDOMNode::ELEMENT_NODE);
michael@0: 
michael@0:   nsRefPtr<HTMLMediaElement> element =
michael@0:     static_cast<HTMLMediaElement*>(NS_NewHTMLVideoElement(nodeInfo.forget(),
michael@0:                                                           NOT_FROM_PARSER));
michael@0:   if (!element)
michael@0:     return NS_ERROR_OUT_OF_MEMORY;
michael@0:   element->SetAutoplay(true);
michael@0:   element->SetControls(true);
michael@0:   element->LoadWithChannel(aChannel, aListener);
michael@0:   UpdateTitle(aChannel);
michael@0: 
michael@0:   if (nsContentUtils::IsChildOfSameType(this)) {
michael@0:     // Video documents that aren't toplevel should fill their frames and
michael@0:     // not have margins
michael@0:     element->SetAttr(kNameSpaceID_None, nsGkAtoms::style,
michael@0:         NS_LITERAL_STRING("position:absolute; top:0; left:0; width:100%; height:100%"),
michael@0:         true);
michael@0:   }
michael@0: 
michael@0:   return body->AppendChildTo(element, false);
michael@0: }
michael@0: 
michael@0: void
michael@0: VideoDocument::UpdateTitle(nsIChannel* aChannel)
michael@0: {
michael@0:   if (!aChannel)
michael@0:     return;
michael@0: 
michael@0:   nsAutoString fileName;
michael@0:   GetFileName(fileName);
michael@0:   SetTitle(fileName);
michael@0: }
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: nsresult
michael@0: NS_NewVideoDocument(nsIDocument** aResult)
michael@0: {
michael@0:   mozilla::dom::VideoDocument* doc = new mozilla::dom::VideoDocument();
michael@0: 
michael@0:   NS_ADDREF(doc);
michael@0:   nsresult rv = doc->Init();
michael@0: 
michael@0:   if (NS_FAILED(rv)) {
michael@0:     NS_RELEASE(doc);
michael@0:   }
michael@0: 
michael@0:   *aResult = doc;
michael@0: 
michael@0:   return rv;
michael@0: }