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/*
* Copyright (C) 2014 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. ``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
* 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
#include <wtf/EnumTraits.h>
#include <wtf/OptionSet.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class MediaProducer : public CanMakeWeakPtr<MediaProducer> {
public:
enum class MediaState {
IsPlayingAudio = 1 << 0,
IsPlayingVideo = 1 << 1,
IsPlayingToExternalDevice = 1 << 2,
RequiresPlaybackTargetMonitoring = 1 << 3,
ExternalDeviceAutoPlayCandidate = 1 << 4,
DidPlayToEnd = 1 << 5,
IsSourceElementPlaying = 1 << 6,
IsNextTrackControlEnabled = 1 << 7,
IsPreviousTrackControlEnabled = 1 << 8,
HasPlaybackTargetAvailabilityListener = 1 << 9,
HasAudioOrVideo = 1 << 10,
HasActiveAudioCaptureDevice = 1 << 11,
HasActiveVideoCaptureDevice = 1 << 12,
HasMutedAudioCaptureDevice = 1 << 13,
HasMutedVideoCaptureDevice = 1 << 14,
HasInterruptedAudioCaptureDevice = 1 << 15,
HasInterruptedVideoCaptureDevice = 1 << 16,
HasUserInteractedWithMediaElement = 1 << 17,
HasActiveDisplayCaptureDevice = 1 << 18,
HasMutedDisplayCaptureDevice = 1 << 19,
HasInterruptedDisplayCaptureDevice = 1 << 20,
};
using MediaStateFlags = OptionSet<MediaState>;
static constexpr MediaStateFlags IsNotPlaying = { };
static constexpr MediaStateFlags AudioCaptureMask = { MediaState::HasActiveAudioCaptureDevice, MediaState::HasMutedAudioCaptureDevice, MediaState::HasInterruptedAudioCaptureDevice };
static constexpr MediaStateFlags VideoCaptureMask = { MediaState::HasActiveVideoCaptureDevice, MediaState::HasMutedVideoCaptureDevice, MediaState::HasInterruptedVideoCaptureDevice };
static constexpr MediaStateFlags DisplayCaptureMask = { MediaState::HasActiveDisplayCaptureDevice, MediaState::HasMutedDisplayCaptureDevice, MediaState::HasInterruptedDisplayCaptureDevice };
static constexpr MediaStateFlags ActiveCaptureMask = { MediaState::HasActiveAudioCaptureDevice, MediaState::HasActiveVideoCaptureDevice, MediaState::HasActiveDisplayCaptureDevice };
static constexpr MediaStateFlags MutedCaptureMask = { MediaState::HasMutedAudioCaptureDevice, MediaState::HasMutedVideoCaptureDevice, MediaState::HasMutedDisplayCaptureDevice };
static constexpr MediaStateFlags MediaCaptureMask = { MediaState::HasActiveAudioCaptureDevice, MediaState::HasMutedAudioCaptureDevice, MediaState::HasInterruptedAudioCaptureDevice, MediaState::HasActiveVideoCaptureDevice, MediaState::HasMutedVideoCaptureDevice, MediaState::HasInterruptedVideoCaptureDevice, MediaState::HasActiveDisplayCaptureDevice, MediaState::HasMutedDisplayCaptureDevice, MediaState::HasInterruptedDisplayCaptureDevice };
static bool isCapturing(MediaStateFlags state) { return state.containsAny(ActiveCaptureMask) || state.containsAny(MutedCaptureMask); }
virtual MediaStateFlags mediaState() const = 0;
enum class MediaCaptureKind {
Audio,
Video,
AudioVideo
};
enum class MutedState {
AudioIsMuted = 1 << 0,
AudioCaptureIsMuted = 1 << 1,
VideoCaptureIsMuted = 1 << 2,
ScreenCaptureIsMuted = 1 << 3,
};
using MutedStateFlags = OptionSet<MutedState>;
static constexpr MutedStateFlags AudioAndVideoCaptureIsMuted = { MutedState::AudioCaptureIsMuted, MutedState::VideoCaptureIsMuted };
static constexpr MutedStateFlags MediaStreamCaptureIsMuted = { MutedState::AudioCaptureIsMuted, MutedState::VideoCaptureIsMuted, MutedState::ScreenCaptureIsMuted };
virtual void pageMutedStateDidChange() = 0;
protected:
virtual ~MediaProducer() = default;
};
} // namespace WebCore
namespace WTF {
template<> struct EnumTraits<WebCore::MediaProducer::MediaCaptureKind> {
using values = EnumValues<
WebCore::MediaProducer::MediaCaptureKind,
WebCore::MediaProducer::MediaCaptureKind::Audio,
WebCore::MediaProducer::MediaCaptureKind::Video,
WebCore::MediaProducer::MediaCaptureKind::AudioVideo
>;
};
template<> struct EnumTraits<WebCore::MediaProducer::MediaState> {
using values = EnumValues<
WebCore::MediaProducer::MediaState,
WebCore::MediaProducer::MediaState::IsPlayingAudio,
WebCore::MediaProducer::MediaState::IsPlayingVideo,
WebCore::MediaProducer::MediaState::IsPlayingToExternalDevice,
WebCore::MediaProducer::MediaState::RequiresPlaybackTargetMonitoring,
WebCore::MediaProducer::MediaState::ExternalDeviceAutoPlayCandidate,
WebCore::MediaProducer::MediaState::DidPlayToEnd,
WebCore::MediaProducer::MediaState::IsSourceElementPlaying,
WebCore::MediaProducer::MediaState::IsNextTrackControlEnabled,
WebCore::MediaProducer::MediaState::IsPreviousTrackControlEnabled,
WebCore::MediaProducer::MediaState::HasPlaybackTargetAvailabilityListener,
WebCore::MediaProducer::MediaState::HasAudioOrVideo,
WebCore::MediaProducer::MediaState::HasActiveAudioCaptureDevice,
WebCore::MediaProducer::MediaState::HasActiveVideoCaptureDevice,
WebCore::MediaProducer::MediaState::HasMutedAudioCaptureDevice,
WebCore::MediaProducer::MediaState::HasMutedVideoCaptureDevice,
WebCore::MediaProducer::MediaState::HasInterruptedAudioCaptureDevice,
WebCore::MediaProducer::MediaState::HasInterruptedVideoCaptureDevice,
WebCore::MediaProducer::MediaState::HasUserInteractedWithMediaElement,
WebCore::MediaProducer::MediaState::HasActiveDisplayCaptureDevice,
WebCore::MediaProducer::MediaState::HasMutedDisplayCaptureDevice,
WebCore::MediaProducer::MediaState::HasInterruptedDisplayCaptureDevice
>;
};
template<> struct EnumTraits<WebCore::MediaProducer::MutedState> {
using values = EnumValues<
WebCore::MediaProducer::MutedState,
WebCore::MediaProducer::MutedState::AudioIsMuted,
WebCore::MediaProducer::MutedState::AudioCaptureIsMuted,
WebCore::MediaProducer::MutedState::VideoCaptureIsMuted,
WebCore::MediaProducer::MutedState::ScreenCaptureIsMuted
>;
};
}
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