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// Copyright (c) 2012 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 "chrome/renderer/prerender/prerender_webmediaplayer.h"
#include "chrome/common/prerender_messages.h"
#include "content/public/renderer/render_view.h"
#include "media/base/filter_collection.h"
#include "media/base/media_log.h"
#include "media/base/pipeline.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURL.h"
#include "webkit/media/webmediaplayer_delegate.h"
namespace prerender {
PrerenderWebMediaPlayer::PrerenderWebMediaPlayer(
content::RenderView* render_view,
WebKit::WebFrame* frame,
WebKit::WebMediaPlayerClient* client,
base::WeakPtr<webkit_media::WebMediaPlayerDelegate> delegate,
media::FilterCollection* collection,
WebKit::WebAudioSourceProvider* audio_source_provider,
media::MessageLoopFactory* message_loop_factory,
webkit_media::MediaStreamClient* media_stream_client,
media::MediaLog* media_log)
: RenderViewObserver(render_view),
WebMediaPlayerImpl(frame,
client,
delegate,
collection,
audio_source_provider,
message_loop_factory,
media_stream_client,
media_log),
is_prerendering_(true),
url_loaded_(false),
cors_mode_(CORSModeUnspecified) {
}
PrerenderWebMediaPlayer::~PrerenderWebMediaPlayer() {}
void PrerenderWebMediaPlayer::load(const WebKit::WebURL& url,
CORSMode cors_mode) {
DCHECK(!url_loaded_);
if (is_prerendering_) {
url_to_load_.reset(new WebKit::WebURL(url));
cors_mode_ = cors_mode;
return;
}
url_loaded_ = true;
WebMediaPlayerImpl::load(url, cors_mode);
}
void PrerenderWebMediaPlayer::cancelLoad() {
if (is_prerendering_) {
url_to_load_.reset(NULL);
cors_mode_ = CORSModeUnspecified;
return;
}
WebMediaPlayerImpl::cancelLoad();
}
bool PrerenderWebMediaPlayer::OnMessageReceived(const IPC::Message& message) {
IPC_BEGIN_MESSAGE_MAP(PrerenderWebMediaPlayer, message)
IPC_MESSAGE_HANDLER(PrerenderMsg_SetIsPrerendering, OnSetIsPrerendering)
IPC_END_MESSAGE_MAP()
return false;
}
void PrerenderWebMediaPlayer::OnSetIsPrerendering(bool is_prerendering) {
// Prerendering can only be enabled prior to a RenderView's first
// navigation, so no PrerenderWebMediaPlayer should see the notification
// that enables prerendering.
DCHECK(!is_prerendering);
if (is_prerendering_ && !is_prerendering) {
is_prerendering_ = false;
if (url_to_load_.get())
load(*url_to_load_, cors_mode_);
}
}
} // namespace prerender
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