Revert 169465 "Move deferred loading logic from WebMediaPlayerCl..."

trunk/Source/web/WebMediaPlayerClientImpl.cpp

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "WebMediaPlayerClientImpl.h"
 
 #include "WebDocument.h"
 #include "WebFrameClient.h"
 #include "WebFrameImpl.h"
@@ skipping 160 matching lines @@
 {
     m_client->mediaPlayerRequestFullscreen();
 }
 
 void WebMediaPlayerClientImpl::requestSeek(double time)
 {
     m_client->mediaPlayerRequestSeek(time);
 }
 
 // MediaPlayer -------------------------------------------------
-void WebMediaPlayerClientImpl::load(WebMediaPlayer::LoadType loadType, const WTF::String& url, WebMediaPlayer::CORSMode corsMode)
+
+void WebMediaPlayerClientImpl::load(WebMediaPlayer::LoadType loadType, const WTF::String& url)
 {
-    ASSERT(!m_webMediaPlayer);
+    m_url = KURL(ParsedURLString, url);
+    m_loadType = loadType;
+
+    if (m_preload == MediaPlayer::None) {
+#if ENABLE(WEB_AUDIO)
+        m_audioSourceProvider.wrap(0); // Clear weak reference to m_webMediaPlayer's WebAudioSourceProvider.
+#endif
+        m_webMediaPlayer.clear();
+        m_delayingLoad = true;
+    } else
+        loadInternal();
+}
+
+void WebMediaPlayerClientImpl::loadInternal()
+{
+#if ENABLE(WEB_AUDIO)
+    m_audioSourceProvider.wrap(0); // Clear weak reference to m_webMediaPlayer's WebAudioSourceProvider.
+#endif
 
     // FIXME: Remove this cast
     LocalFrame* frame = mediaElement().document().frame();
 
     WebURL poster = m_client->mediaPlayerPosterURL();
 
     // This does not actually check whether the hardware can support accelerated
     // compositing, but only if the flag is set. However, this is checked lazily
     // in WebViewImpl::setIsAcceleratedCompositingActive() and will fail there
     // if necessary.
     m_needsWebLayerForVideo = frame->contentRenderer()->compositor()->hasAcceleratedCompositing();
 
-    KURL kurl(ParsedURLString, url);
-    m_webMediaPlayer = createWebMediaPlayer(this, kurl, frame);
-    if (!m_webMediaPlayer)
-        return;
-
+    m_webMediaPlayer = createWebMediaPlayer(this, m_url, frame);
+    if (m_webMediaPlayer) {
 #if ENABLE(WEB_AUDIO)
-    // Make sure if we create/re-create the WebMediaPlayer that we update our wrapper.
-    m_audioSourceProvider.wrap(m_webMediaPlayer->audioSourceProvider());
+        // Make sure if we create/re-create the WebMediaPlayer that we update our wrapper.
+        m_audioSourceProvider.wrap(m_webMediaPlayer->audioSourceProvider());
 #endif
 
-    m_webMediaPlayer->setVolume(mediaElement().playerVolume());
+        m_webMediaPlayer->setVolume(mediaElement().playerVolume());
 
-    m_webMediaPlayer->setPoster(poster);
+        // Tell WebMediaPlayer about the poster image URL.
+        m_webMediaPlayer->setPoster(poster);
 
-    // Tell WebMediaPlayer about any connected CDM (may be null).
-    m_webMediaPlayer->setContentDecryptionModule(HTMLMediaElementEncryptedMedia::contentDecryptionModule(mediaElement()));
-    m_webMediaPlayer->load(loadType, kurl, corsMode);
+        // Tell WebMediaPlayer about any connected CDM (may be null).
+        m_webMediaPlayer->setContentDecryptionModule(HTMLMediaElementEncryptedMedia::contentDecryptionModule(mediaElement()));
+
+        WebMediaPlayer::CORSMode corsMode = static_cast<WebMediaPlayer::CORSMode>(m_client->mediaPlayerCORSMode());
+        m_webMediaPlayer->load(m_loadType, m_url, corsMode);
+    }
 }
 
 void WebMediaPlayerClientImpl::play()
 {
     if (m_webMediaPlayer)
         m_webMediaPlayer->play();
 }
 
 void WebMediaPlayerClientImpl::pause()
 {
@@ skipping 11 matching lines @@
 {
     if (m_webMediaPlayer)
         m_webMediaPlayer->exitFullscreen();
 }
 
 bool WebMediaPlayerClientImpl::canShowFullscreenOverlay() const
 {
     return m_webMediaPlayer && m_webMediaPlayer->canEnterFullscreen();
 }
 
+void WebMediaPlayerClientImpl::prepareToPlay()
+{
+    if (m_delayingLoad)
+        startDelayedLoad();
+}
+
 IntSize WebMediaPlayerClientImpl::naturalSize() const
 {
     if (m_webMediaPlayer)
         return m_webMediaPlayer->naturalSize();
     return IntSize();
 }
 
 bool WebMediaPlayerClientImpl::hasVideo() const
 {
     if (m_webMediaPlayer)
@@ skipping 128 matching lines @@
 
     return m_webMediaPlayer->copyVideoTextureToPlatformTexture(context, texture, level, internalFormat, type, premultiplyAlpha, flipY);
 }
 
 void WebMediaPlayerClientImpl::setPreload(MediaPlayer::Preload preload)
 {
     m_preload = preload;
 
     if (m_webMediaPlayer)
         m_webMediaPlayer->setPreload(static_cast<WebMediaPlayer::Preload>(preload));
+
+    if (m_delayingLoad && m_preload != MediaPlayer::None)
+        startDelayedLoad();
 }
 
 bool WebMediaPlayerClientImpl::hasSingleSecurityOrigin() const
 {
     if (m_webMediaPlayer)
         return m_webMediaPlayer->hasSingleSecurityOrigin();
     return false;
 }
 
 bool WebMediaPlayerClientImpl::didPassCORSAccessCheck() const
@@ skipping 92 matching lines @@
     // the texture based bitmap will be readbacked to system memory then draw onto the canvas.
     SkRect dest;
     dest.set(rect.x(), rect.y(), rect.x() + rect.width(), rect.y() + rect.height());
     SkPaint paint;
     paint.setAlpha(alpha);
     // It is not necessary to pass the dest into the drawBitmap call since all the context have been set up before calling paintCurrentFrameInContext.
     canvas->drawBitmapRect(m_bitmap, NULL, dest, &paint);
 }
 #endif
 
+void WebMediaPlayerClientImpl::startDelayedLoad()
+{
+    ASSERT(m_delayingLoad);
+    ASSERT(!m_webMediaPlayer);
+
+    m_delayingLoad = false;
+
+    loadInternal();
+}
+
 WebMediaPlayerClientImpl::WebMediaPlayerClientImpl(MediaPlayerClient* client)
     : m_client(client)
+    , m_delayingLoad(false)
     , m_preload(MediaPlayer::Auto)
     , m_needsWebLayerForVideo(false)
     , m_rate(1.0)
+    , m_loadType(WebMediaPlayer::LoadTypeURL)
 {
     ASSERT(m_client);
 }
 
 WebCore::HTMLMediaElement& WebMediaPlayerClientImpl::mediaElement() const
 {
     return *static_cast<HTMLMediaElement*>(m_client);
 }
 
 #if ENABLE(WEB_AUDIO)
@@ skipping 45 matching lines @@
 
 void WebMediaPlayerClientImpl::AudioClientImpl::setFormat(size_t numberOfChannels, float sampleRate)
 {
     if (m_client)
         m_client->setFormat(numberOfChannels, sampleRate);
 }
 
 #endif
 
 } // namespace blink