Eliminate MediaPlayer & MediaPlayerClient abstractions

Source/web/WebMediaPlayerClientImpl.h

-/*
- * Copyright (C) 2009 Google 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:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * 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.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "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 THE COPYRIGHT
- * OWNER 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.
- */
-
-#ifndef WebMediaPlayerClientImpl_h
-#define WebMediaPlayerClientImpl_h
-
-#include "platform/audio/AudioSourceProvider.h"
-#include "platform/graphics/media/MediaPlayer.h"
-#include "public/platform/WebAudioSourceProviderClient.h"
-#include "public/platform/WebEncryptedMediaTypes.h"
-#include "public/platform/WebMediaPlayerClient.h"
-#include "platform/weborigin/KURL.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/ThreadingPrimitives.h"
-
-namespace blink {
-
-class AudioSourceProviderClient;
-class HTMLMediaElement;
-class WebAudioSourceProvider;
-class WebMediaPlayer;
-
-// This class serves as a bridge between MediaPlayer and
-// WebMediaPlayer.
-class WebMediaPlayerClientImpl final : public MediaPlayer, public WebMediaPlayerClient {
-
-public:
-    static PassOwnPtr<MediaPlayer> create(MediaPlayerClient*);
-
-    ~WebMediaPlayerClientImpl() override;
-
-    // WebMediaPlayerClient methods:
-    void networkStateChanged() override;
-    void readyStateChanged() override;
-    void timeChanged() override;
-    void repaint() override;
-    void durationChanged() override;
-    void sizeChanged() override;
-    void playbackStateChanged() override;
-
-    // WebEncryptedMediaPlayerClient methods:
-    void keyAdded(const WebString& keySystem, const WebString& sessionId) override;
-    void keyError(const WebString& keySystem, const WebString& sessionId, MediaKeyErrorCode, unsigned short systemCode) override;
-    void keyMessage(const WebString& keySystem, const WebString& sessionId, const unsigned char* message, unsigned messageLength, const WebURL& defaultURL) override;
-    void encrypted(WebEncryptedMediaInitDataType, const unsigned char* initData, unsigned initDataLength) override;
-    void didBlockPlaybackWaitingForKey() override;
-    void didResumePlaybackBlockedForKey() override;
-
-    void setWebLayer(WebLayer*) override;
-    WebMediaPlayer::TrackId addAudioTrack(const WebString& id, AudioTrackKind, const WebString& label, const WebString& language, bool enabled) override;
-    void removeAudioTrack(WebMediaPlayer::TrackId) override;
-    WebMediaPlayer::TrackId addVideoTrack(const WebString& id, VideoTrackKind, const WebString& label, const WebString& language, bool selected) override;
-    void removeVideoTrack(WebMediaPlayer::TrackId) override;
-    void addTextTrack(WebInbandTextTrack*) override;
-    void removeTextTrack(WebInbandTextTrack*) override;
-    void mediaSourceOpened(WebMediaSource*) override;
-    void requestSeek(double) override;
-    void remoteRouteAvailabilityChanged(bool) override;
-    void connectedToRemoteDevice() override;
-    void disconnectedFromRemoteDevice() override;
-
-    // MediaPlayer methods:
-    WebMediaPlayer* webMediaPlayer() const override;
-    void load(WebMediaPlayer::LoadType, const WTF::String& url, WebMediaPlayer::CORSMode) override;
-    void setPreload(MediaPlayer::Preload) override;
-
-#if ENABLE(WEB_AUDIO)
-    AudioSourceProvider* audioSourceProvider() override;
-#endif
-
-private:
-    explicit WebMediaPlayerClientImpl(MediaPlayerClient*);
-
-    HTMLMediaElement& mediaElement() const;
-
-    MediaPlayerClient* m_client;
-    OwnPtr<WebMediaPlayer> m_webMediaPlayer;
-
-#if ENABLE(WEB_AUDIO)
-    // AudioClientImpl wraps an AudioSourceProviderClient.
-    // When the audio format is known, Chromium calls setFormat() which then dispatches into WebCore.
-
-    class AudioClientImpl final : public GarbageCollectedFinalized<AudioClientImpl>, public WebAudioSourceProviderClient {
-    public:
-        explicit AudioClientImpl(AudioSourceProviderClient* client)
-            : m_client(client)
-        {
-        }
-
-        ~AudioClientImpl() override { }
-
-        // WebAudioSourceProviderClient
-        void setFormat(size_t numberOfChannels, float sampleRate) override;
-
-        DECLARE_TRACE();
-
-    private:
-        Member<AudioSourceProviderClient> m_client;
-    };
-
-    // AudioSourceProviderImpl wraps a WebAudioSourceProvider.
-    // provideInput() calls into Chromium to get a rendered audio stream.
-
-    class AudioSourceProviderImpl final : public AudioSourceProvider {
-    public:
-        AudioSourceProviderImpl()
-            : m_webAudioSourceProvider(0)
-        {
-        }
-
-        ~AudioSourceProviderImpl() override { }
-
-        // Wraps the given WebAudioSourceProvider.
-        void wrap(WebAudioSourceProvider*);
-
-        // AudioSourceProvider
-        void setClient(AudioSourceProviderClient*) override;
-        void provideInput(AudioBus*, size_t framesToProcess) override;
-
-    private:
-        WebAudioSourceProvider* m_webAudioSourceProvider;
-        Persistent<AudioClientImpl> m_client;
-        Mutex provideInputLock;
-    };
-
-    AudioSourceProviderImpl m_audioSourceProvider;
-#endif
-};
-
-} // namespace blink
-
-#endif