1 files changed, 215 insertions, 0 deletions
diff --git a/WebCore/html/MediaDocument.cpp b/WebCore/html/MediaDocument.cpp
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+++ b/WebCore/html/MediaDocument.cpp
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+/*
+ * 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
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+
+#if ENABLE(VIDEO)
+#include "MediaDocument.h"
+
+#include "DocumentLoader.h"
+#include "EventNames.h"
+#include "Frame.h"
+#include "FrameLoaderClient.h"
+#include "HTMLEmbedElement.h"
+#include "HTMLNames.h"
+#include "HTMLVideoElement.h"
+#include "KeyboardEvent.h"
+#include "MainResourceLoader.h"
+#include "NodeList.h"
+#include "RawDataDocumentParser.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+// FIXME: Share more code with PluginDocumentParser.
+class MediaDocumentParser : public RawDataDocumentParser {
+public:
+    static PassRefPtr<MediaDocumentParser> create(MediaDocument* document)
+    {
+        return adoptRef(new MediaDocumentParser(document));
+    }
+    
+private:
+    MediaDocumentParser(Document* document)
+        : RawDataDocumentParser(document)
+        , m_mediaElement(0)
+    {
+    }
+
+    virtual void appendBytes(DocumentWriter*, const char*, int, bool);
+
+    void createDocumentStructure();
+
+    HTMLMediaElement* m_mediaElement;
+};
+    
+void MediaDocumentParser::createDocumentStructure()
+{
+    ExceptionCode ec;
+    RefPtr<Element> rootElement = document()->createElement(htmlTag, false);
+    document()->appendChild(rootElement, ec);
+
+    if (document()->frame())
+        document()->frame()->loader()->dispatchDocumentElementAvailable();
+        
+    RefPtr<Element> body = document()->createElement(bodyTag, false);
+    body->setAttribute(styleAttr, "background-color: rgb(38,38,38);");
+
+    rootElement->appendChild(body, ec);
+        
+    RefPtr<Element> mediaElement = document()->createElement(videoTag, false);
+        
+    m_mediaElement = static_cast<HTMLVideoElement*>(mediaElement.get());
+    m_mediaElement->setAttribute(controlsAttr, "");
+    m_mediaElement->setAttribute(autoplayAttr, "");
+    m_mediaElement->setAttribute(styleAttr, "margin: auto; position: absolute; top: 0; right: 0; bottom: 0; left: 0;");
+
+    m_mediaElement->setAttribute(nameAttr, "media");
+    m_mediaElement->setSrc(document()->url());
+    
+    body->appendChild(mediaElement, ec);
+
+    Frame* frame = document()->frame();
+    if (!frame)
+        return;
+
+    frame->loader()->activeDocumentLoader()->mainResourceLoader()->setShouldBufferData(false);
+}
+
+void MediaDocumentParser::appendBytes(DocumentWriter*, const char*, int, bool)
+{
+    ASSERT(!m_mediaElement);
+    if (m_mediaElement)
+        return;
+
+    createDocumentStructure();
+    finish();
+}
+    
+MediaDocument::MediaDocument(Frame* frame, const KURL& url)
+    : HTMLDocument(frame, url)
+    , m_replaceMediaElementTimer(this, &MediaDocument::replaceMediaElementTimerFired)
+{
+    setCompatibilityMode(QuirksMode);
+    lockCompatibilityMode();
+}
+
+MediaDocument::~MediaDocument()
+{
+    ASSERT(!m_replaceMediaElementTimer.isActive());
+}
+
+PassRefPtr<DocumentParser> MediaDocument::createParser()
+{
+    return MediaDocumentParser::create(this);
+}
+
+void MediaDocument::defaultEventHandler(Event* event)
+{
+    // Match the default Quicktime plugin behavior to allow 
+    // clicking and double-clicking to pause and play the media.
+    Node* targetNode = event->target()->toNode();
+    if (targetNode && targetNode->hasTagName(videoTag)) {
+        HTMLVideoElement* video = static_cast<HTMLVideoElement*>(targetNode);
+        if (event->type() == eventNames().clickEvent) {
+            if (!video->canPlay()) {
+                video->pause(event->fromUserGesture());
+                event->setDefaultHandled();
+            }
+        } else if (event->type() == eventNames().dblclickEvent) {
+            if (video->canPlay()) {
+                video->play(event->fromUserGesture());
+                event->setDefaultHandled();
+            }
+        }
+    }
+
+    if (event->type() == eventNames().keydownEvent && event->isKeyboardEvent()) {
+        HTMLVideoElement* video = 0;
+        if (targetNode) {
+            if (targetNode->hasTagName(videoTag))
+                video = static_cast<HTMLVideoElement*>(targetNode);
+            else {
+                RefPtr<NodeList> nodeList = targetNode->getElementsByTagName("video");
+                if (nodeList.get()->length() > 0)
+                    video = static_cast<HTMLVideoElement*>(nodeList.get()->item(0));
+            }
+        }
+        if (video) {
+            KeyboardEvent* keyboardEvent = static_cast<KeyboardEvent*>(event);
+            if (keyboardEvent->keyIdentifier() == "U+0020") { // space
+                if (video->paused()) {
+                    if (video->canPlay())
+                        video->play(event->fromUserGesture());
+                } else
+                    video->pause(event->fromUserGesture());
+                event->setDefaultHandled();
+            }
+        }
+    }
+}
+
+void MediaDocument::mediaElementSawUnsupportedTracks()
+{
+    // The HTMLMediaElement was told it has something that the underlying 
+    // MediaPlayer cannot handle so we should switch from <video> to <embed> 
+    // and let the plugin handle this. Don't do it immediately as this 
+    // function may be called directly from a media engine callback, and 
+    // replaceChild will destroy the element, media player, and media engine.
+    m_replaceMediaElementTimer.startOneShot(0);
+}
+
+void MediaDocument::replaceMediaElementTimerFired(Timer<MediaDocument>*)
+{
+    HTMLElement* htmlBody = body();
+    if (!htmlBody)
+        return;
+
+    // Set body margin width and height to 0 as that is what a PluginDocument uses.
+    htmlBody->setAttribute(marginwidthAttr, "0");
+    htmlBody->setAttribute(marginheightAttr, "0");
+
+    RefPtr<NodeList> nodeList = htmlBody->getElementsByTagName("video");
+
+    if (nodeList.get()->length() > 0) {
+        HTMLVideoElement* videoElement = static_cast<HTMLVideoElement*>(nodeList.get()->item(0));
+
+        RefPtr<Element> element = Document::createElement(embedTag, false);
+        HTMLEmbedElement* embedElement = static_cast<HTMLEmbedElement*>(element.get());
+
+        embedElement->setAttribute(widthAttr, "100%");
+        embedElement->setAttribute(heightAttr, "100%");
+        embedElement->setAttribute(nameAttr, "plugin");
+        embedElement->setAttribute(srcAttr, url().string());
+        embedElement->setAttribute(typeAttr, frame()->loader()->writer()->mimeType());
+
+        ExceptionCode ec;
+        videoElement->parent()->replaceChild(embedElement, videoElement, ec);
+    }
+}
+
+}
+#endif