| /* |
| * Copyright (C) 2018 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. AND ITS 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 APPLE INC. OR ITS 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. |
| */ |
| |
| #pragma once |
| |
| #if PLATFORM(COCOA) |
| |
| #include "AudioHardwareListener.h" |
| #include "GenericTaskQueue.h" |
| #include "PlatformMediaSessionManager.h" |
| #include "RemoteCommandListener.h" |
| #include <pal/system/SystemSleepListener.h> |
| |
| namespace WebCore { |
| |
| struct NowPlayingInfo; |
| |
| class MediaSessionManagerCocoa |
| : public PlatformMediaSessionManager |
| , private RemoteCommandListenerClient |
| , private PAL::SystemSleepListener::Client |
| , private AudioHardwareListener::Client { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| MediaSessionManagerCocoa(); |
| |
| void updateSessionState() final; |
| void beginInterruption(PlatformMediaSession::InterruptionType) final; |
| |
| bool hasActiveNowPlayingSession() const final { return m_nowPlayingActive; } |
| String lastUpdatedNowPlayingTitle() const final { return m_lastUpdatedNowPlayingTitle; } |
| double lastUpdatedNowPlayingDuration() const final { return m_lastUpdatedNowPlayingDuration; } |
| double lastUpdatedNowPlayingElapsedTime() const final { return m_lastUpdatedNowPlayingElapsedTime; } |
| MediaSessionIdentifier lastUpdatedNowPlayingInfoUniqueIdentifier() const final { return m_lastUpdatedNowPlayingInfoUniqueIdentifier; } |
| bool registeredAsNowPlayingApplication() const final { return m_registeredAsNowPlayingApplication; } |
| void prepareToSendUserMediaPermissionRequest() final; |
| |
| static WEBCORE_EXPORT void clearNowPlayingInfo(); |
| static WEBCORE_EXPORT void setNowPlayingInfo(bool setAsNowPlayingApplication, const NowPlayingInfo&); |
| |
| protected: |
| void scheduleUpdateNowPlayingInfo() final; |
| void updateNowPlayingInfo(); |
| |
| void removeSession(PlatformMediaSession&) final; |
| void addSession(PlatformMediaSession&) final; |
| void setCurrentSession(PlatformMediaSession&) final; |
| |
| bool sessionWillBeginPlayback(PlatformMediaSession&) final; |
| void sessionWillEndPlayback(PlatformMediaSession&, DelayCallingUpdateNowPlaying) override; |
| void sessionDidEndRemoteScrubbing(const PlatformMediaSession&) final; |
| void clientCharacteristicsChanged(PlatformMediaSession&) final; |
| void sessionCanProduceAudioChanged() final; |
| |
| virtual void providePresentingApplicationPIDIfNecessary() { } |
| |
| PlatformMediaSession* nowPlayingEligibleSession(); |
| |
| private: |
| #if !RELEASE_LOG_DISABLED |
| const char* logClassName() const override { return "MediaSessionManagerCocoa"; } |
| #endif |
| |
| // RemoteCommandListenerClient |
| void didReceiveRemoteControlCommand(PlatformMediaSession::RemoteControlCommandType type, const PlatformMediaSession::RemoteCommandArgument* argument) final { processDidReceiveRemoteControlCommand(type, argument); } |
| bool supportsSeeking() const final { return computeSupportsSeeking(); } |
| |
| // AudioHardwareListenerClient |
| void audioHardwareDidBecomeActive() final { } |
| void audioHardwareDidBecomeInactive() final { } |
| void audioOutputDeviceChanged() final { updateSessionState(); } |
| |
| // PAL::SystemSleepListener |
| void systemWillSleep() final { processSystemWillSleep(); } |
| void systemDidWake() final { processSystemDidWake(); } |
| |
| bool m_nowPlayingActive { false }; |
| bool m_registeredAsNowPlayingApplication { false }; |
| |
| // For testing purposes only. |
| String m_lastUpdatedNowPlayingTitle; |
| double m_lastUpdatedNowPlayingDuration { NAN }; |
| double m_lastUpdatedNowPlayingElapsedTime { NAN }; |
| MediaSessionIdentifier m_lastUpdatedNowPlayingInfoUniqueIdentifier; |
| |
| GenericTaskQueue<Timer> m_nowPlayingUpdateTaskQueue; |
| |
| std::unique_ptr<RemoteCommandListener> m_remoteCommandListener; |
| std::unique_ptr<PAL::SystemSleepListener> m_systemSleepListener; |
| RefPtr<AudioHardwareListener> m_audioHardwareListener; |
| }; |
| |
| } |
| |
| #endif // PLATFORM(COCOA) |