Ability to block <audio> and <video> media.

Source/core/html/MediaDocument.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 15 matching lines @@
 #include "config.h"
 
 #include "core/html/MediaDocument.h"
 
 #include "HTMLNames.h"
 #include "bindings/v8/ExceptionStatePlaceholder.h"
 #include "core/dom/NodeTraversal.h"
 #include "core/dom/RawDataDocumentParser.h"
 #include "core/events/KeyboardEvent.h"
 #include "core/events/ThreadLocalEventNames.h"
+#include "core/frame/Frame.h"
 #include "core/html/HTMLBodyElement.h"
 #include "core/html/HTMLHeadElement.h"
 #include "core/html/HTMLHtmlElement.h"
 #include "core/html/HTMLMetaElement.h"
 #include "core/html/HTMLSourceElement.h"
 #include "core/html/HTMLVideoElement.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoader.h"
-#include "core/frame/Frame.h"
+#include "core/loader/FrameLoaderClient.h"
+#include "core/page/Settings.h"
 #include "platform/KeyboardCodes.h"
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 // FIXME: Share more code with PluginDocumentParser.
 class MediaDocumentParser : public RawDataDocumentParser {
 public:
     static PassRefPtr<MediaDocumentParser> create(MediaDocument* document)
@@ skipping 48 matching lines @@
     body->appendChild(media.release());
 
     rootElement->appendChild(head.release());
     rootElement->appendChild(body.release());
 
     m_didBuildDocumentStructure = true;
 }
 
 size_t MediaDocumentParser::appendBytes(const char*, size_t)
 {
+    Frame* frame = document()->frame();
+    Settings* settings = frame->settings();
+    if (!frame->loader()->client()->allowMedia(!settings || settings->isMediaLoadingEnabled(), document()->url()))
+        return 0;
+
     if (m_didBuildDocumentStructure)
         return 0;
 
     createDocumentStructure();
     finish();
     return 0;
 }
 
 MediaDocument::MediaDocument(const DocumentInit& initializer)
     : HTMLDocument(initializer, MediaDocumentClass)
@@ skipping 37 matching lines @@
                 if (video->canPlay())
                     video->play();
             } else
                 video->pause();
             event->setDefaultHandled();
         }
     }
 }
 
 }