| /* |
| * Copyright (C) 2020 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(IOS_FAMILY) |
| |
| #include <wtf/WeakHashSet.h> |
| |
| namespace WebCore { |
| |
| class MediaPlaybackTarget; |
| |
| class MediaSessionHelperClient : public CanMakeWeakPtr<MediaSessionHelperClient> { |
| public: |
| virtual ~MediaSessionHelperClient() = default; |
| |
| enum class SuspendedUnderLock : bool { No, Yes }; |
| virtual void applicationWillEnterForeground(SuspendedUnderLock) = 0; |
| virtual void applicationDidEnterBackground(SuspendedUnderLock) = 0; |
| virtual void applicationWillBecomeInactive() = 0; |
| virtual void applicationDidBecomeActive() = 0; |
| |
| enum class HasAvailableTargets : bool { No, Yes }; |
| virtual void externalOutputDeviceAvailableDidChange(HasAvailableTargets) = 0; |
| |
| enum class PlayingToAutomotiveHeadUnit : bool { No, Yes }; |
| virtual void isPlayingToAutomotiveHeadUnitDidChange(PlayingToAutomotiveHeadUnit) = 0; |
| |
| enum class ShouldPause : bool { No, Yes }; |
| virtual void activeAudioRouteDidChange(ShouldPause) = 0; |
| |
| enum class SupportsAirPlayVideo : bool { No, Yes }; |
| virtual void activeVideoRouteDidChange(SupportsAirPlayVideo, Ref<MediaPlaybackTarget>&&) = 0; |
| }; |
| |
| class WEBCORE_EXPORT MediaSessionHelper { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| static MediaSessionHelper& sharedHelper(); |
| static void setSharedHelper(UniqueRef<MediaSessionHelper>&&); |
| static void resetSharedHelper(); |
| |
| MediaSessionHelper() = default; |
| virtual ~MediaSessionHelper() = default; |
| |
| void addClient(MediaSessionHelperClient&); |
| void removeClient(MediaSessionHelperClient&); |
| |
| virtual void startMonitoringWirelessRoutes() = 0; |
| virtual void stopMonitoringWirelessRoutes() = 0; |
| virtual void providePresentingApplicationPID(int) = 0; |
| |
| bool isMonitoringWirelessRoutes() const { return m_monitoringWirelessRoutesCount; } |
| bool isExternalOutputDeviceAvailable() const { return m_isExternalOutputDeviceAvailable; } |
| bool activeVideoRouteSupportsAirPlayVideo() const { return m_activeVideoRouteSupportsAirPlayVideo; } |
| bool isPlayingToAutomotiveHeadUnit() const { return m_isPlayingToAutomotiveHeadUnit; } |
| |
| protected: |
| WeakHashSet<MediaSessionHelperClient> m_clients; |
| uint32_t m_monitoringWirelessRoutesCount { 0 }; |
| bool m_isExternalOutputDeviceAvailable { false }; |
| bool m_activeVideoRouteSupportsAirPlayVideo { false }; |
| bool m_isPlayingToAutomotiveHeadUnit { false }; |
| }; |
| |
| } |
| |
| #endif |