146 lines
7.2 KiB
C++
146 lines
7.2 KiB
C++
/*
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* Copyright (C) 2014 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <wtf/EnumTraits.h>
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#include <wtf/OptionSet.h>
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#include <wtf/WeakPtr.h>
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namespace WebCore {
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class MediaProducer : public CanMakeWeakPtr<MediaProducer> {
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public:
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enum class MediaState {
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IsPlayingAudio = 1 << 0,
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IsPlayingVideo = 1 << 1,
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IsPlayingToExternalDevice = 1 << 2,
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RequiresPlaybackTargetMonitoring = 1 << 3,
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ExternalDeviceAutoPlayCandidate = 1 << 4,
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DidPlayToEnd = 1 << 5,
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IsSourceElementPlaying = 1 << 6,
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IsNextTrackControlEnabled = 1 << 7,
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IsPreviousTrackControlEnabled = 1 << 8,
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HasPlaybackTargetAvailabilityListener = 1 << 9,
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HasAudioOrVideo = 1 << 10,
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HasActiveAudioCaptureDevice = 1 << 11,
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HasActiveVideoCaptureDevice = 1 << 12,
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HasMutedAudioCaptureDevice = 1 << 13,
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HasMutedVideoCaptureDevice = 1 << 14,
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HasInterruptedAudioCaptureDevice = 1 << 15,
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HasInterruptedVideoCaptureDevice = 1 << 16,
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HasUserInteractedWithMediaElement = 1 << 17,
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HasActiveDisplayCaptureDevice = 1 << 18,
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HasMutedDisplayCaptureDevice = 1 << 19,
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HasInterruptedDisplayCaptureDevice = 1 << 20,
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};
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using MediaStateFlags = OptionSet<MediaState>;
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static constexpr MediaStateFlags IsNotPlaying = { };
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static constexpr MediaStateFlags AudioCaptureMask = { MediaState::HasActiveAudioCaptureDevice, MediaState::HasMutedAudioCaptureDevice, MediaState::HasInterruptedAudioCaptureDevice };
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static constexpr MediaStateFlags VideoCaptureMask = { MediaState::HasActiveVideoCaptureDevice, MediaState::HasMutedVideoCaptureDevice, MediaState::HasInterruptedVideoCaptureDevice };
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static constexpr MediaStateFlags DisplayCaptureMask = { MediaState::HasActiveDisplayCaptureDevice, MediaState::HasMutedDisplayCaptureDevice, MediaState::HasInterruptedDisplayCaptureDevice };
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static constexpr MediaStateFlags ActiveCaptureMask = { MediaState::HasActiveAudioCaptureDevice, MediaState::HasActiveVideoCaptureDevice, MediaState::HasActiveDisplayCaptureDevice };
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static constexpr MediaStateFlags MutedCaptureMask = { MediaState::HasMutedAudioCaptureDevice, MediaState::HasMutedVideoCaptureDevice, MediaState::HasMutedDisplayCaptureDevice };
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static constexpr MediaStateFlags MediaCaptureMask = { MediaState::HasActiveAudioCaptureDevice, MediaState::HasMutedAudioCaptureDevice, MediaState::HasInterruptedAudioCaptureDevice, MediaState::HasActiveVideoCaptureDevice, MediaState::HasMutedVideoCaptureDevice, MediaState::HasInterruptedVideoCaptureDevice, MediaState::HasActiveDisplayCaptureDevice, MediaState::HasMutedDisplayCaptureDevice, MediaState::HasInterruptedDisplayCaptureDevice };
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static bool isCapturing(MediaStateFlags state) { return state.containsAny(ActiveCaptureMask) || state.containsAny(MutedCaptureMask); }
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virtual MediaStateFlags mediaState() const = 0;
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enum class MediaCaptureKind {
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Audio,
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Video,
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AudioVideo
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};
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enum class MutedState {
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AudioIsMuted = 1 << 0,
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AudioCaptureIsMuted = 1 << 1,
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VideoCaptureIsMuted = 1 << 2,
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ScreenCaptureIsMuted = 1 << 3,
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};
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using MutedStateFlags = OptionSet<MutedState>;
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static constexpr MutedStateFlags AudioAndVideoCaptureIsMuted = { MutedState::AudioCaptureIsMuted, MutedState::VideoCaptureIsMuted };
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static constexpr MutedStateFlags MediaStreamCaptureIsMuted = { MutedState::AudioCaptureIsMuted, MutedState::VideoCaptureIsMuted, MutedState::ScreenCaptureIsMuted };
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virtual void pageMutedStateDidChange() = 0;
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protected:
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virtual ~MediaProducer() = default;
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};
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} // namespace WebCore
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namespace WTF {
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template<> struct EnumTraits<WebCore::MediaProducer::MediaCaptureKind> {
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using values = EnumValues<
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WebCore::MediaProducer::MediaCaptureKind,
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WebCore::MediaProducer::MediaCaptureKind::Audio,
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WebCore::MediaProducer::MediaCaptureKind::Video,
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WebCore::MediaProducer::MediaCaptureKind::AudioVideo
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>;
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};
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template<> struct EnumTraits<WebCore::MediaProducer::MediaState> {
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using values = EnumValues<
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WebCore::MediaProducer::MediaState,
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WebCore::MediaProducer::MediaState::IsPlayingAudio,
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WebCore::MediaProducer::MediaState::IsPlayingVideo,
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WebCore::MediaProducer::MediaState::IsPlayingToExternalDevice,
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WebCore::MediaProducer::MediaState::RequiresPlaybackTargetMonitoring,
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WebCore::MediaProducer::MediaState::ExternalDeviceAutoPlayCandidate,
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WebCore::MediaProducer::MediaState::DidPlayToEnd,
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WebCore::MediaProducer::MediaState::IsSourceElementPlaying,
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WebCore::MediaProducer::MediaState::IsNextTrackControlEnabled,
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WebCore::MediaProducer::MediaState::IsPreviousTrackControlEnabled,
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WebCore::MediaProducer::MediaState::HasPlaybackTargetAvailabilityListener,
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WebCore::MediaProducer::MediaState::HasAudioOrVideo,
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WebCore::MediaProducer::MediaState::HasActiveAudioCaptureDevice,
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WebCore::MediaProducer::MediaState::HasActiveVideoCaptureDevice,
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WebCore::MediaProducer::MediaState::HasMutedAudioCaptureDevice,
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WebCore::MediaProducer::MediaState::HasMutedVideoCaptureDevice,
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WebCore::MediaProducer::MediaState::HasInterruptedAudioCaptureDevice,
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WebCore::MediaProducer::MediaState::HasInterruptedVideoCaptureDevice,
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WebCore::MediaProducer::MediaState::HasUserInteractedWithMediaElement,
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WebCore::MediaProducer::MediaState::HasActiveDisplayCaptureDevice,
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WebCore::MediaProducer::MediaState::HasMutedDisplayCaptureDevice,
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WebCore::MediaProducer::MediaState::HasInterruptedDisplayCaptureDevice
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>;
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};
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template<> struct EnumTraits<WebCore::MediaProducer::MutedState> {
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using values = EnumValues<
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WebCore::MediaProducer::MutedState,
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WebCore::MediaProducer::MutedState::AudioIsMuted,
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WebCore::MediaProducer::MutedState::AudioCaptureIsMuted,
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WebCore::MediaProducer::MutedState::VideoCaptureIsMuted,
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WebCore::MediaProducer::MutedState::ScreenCaptureIsMuted
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>;
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};
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}
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