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| 1 | +/* |
| 2 | + * Copyright (c) SRG SSR. All rights reserved. |
| 3 | + * License information is available from the LICENSE file. |
| 4 | + */ |
| 5 | +package ch.srgssr.pillarbox.cast |
| 6 | + |
| 7 | +import androidx.media3.common.AudioAttributes |
| 8 | +import androidx.media3.common.DeviceInfo |
| 9 | +import androidx.media3.common.FlagSet |
| 10 | +import androidx.media3.common.MediaItem |
| 11 | +import androidx.media3.common.MediaMetadata |
| 12 | +import androidx.media3.common.Metadata |
| 13 | +import androidx.media3.common.PlaybackException |
| 14 | +import androidx.media3.common.PlaybackParameters |
| 15 | +import androidx.media3.common.Player |
| 16 | +import androidx.media3.common.Timeline |
| 17 | +import androidx.media3.common.TrackSelectionParameters |
| 18 | +import androidx.media3.common.Tracks |
| 19 | +import androidx.media3.common.VideoSize |
| 20 | +import androidx.media3.common.text.CueGroup |
| 21 | + |
| 22 | +/** |
| 23 | + * Cast forwarding listener |
| 24 | + * |
| 25 | + * Because kotlin delegation with interface with default method are not handled correctly we have to implement all listener method. |
| 26 | + * |
| 27 | + * https://github.com/androidx/media/issues/2120 |
| 28 | + * |
| 29 | + * @param player The player to forward to [onEvents]. |
| 30 | + * @param listener The [Player.Listener] to forward to. |
| 31 | + */ |
| 32 | +internal class CastForwardingListener( |
| 33 | + private val player: Player, |
| 34 | + private val listener: Player.Listener |
| 35 | +) : Player.Listener by listener { |
| 36 | + |
| 37 | + override fun onTracksChanged(tracks: Tracks) { |
| 38 | + // Do not forward this event. |
| 39 | + } |
| 40 | + |
| 41 | + override fun onAvailableCommandsChanged(availableCommands: Player.Commands) { |
| 42 | + // Do not forward this event. |
| 43 | + } |
| 44 | + |
| 45 | + override fun onEvents(player: Player, events: Player.Events) { |
| 46 | + // Filter Events triggered by CastPlayer that PillarboxCastPlayer handles |
| 47 | + val flagSet = FlagSet.Builder() |
| 48 | + .apply { |
| 49 | + for (index in 0 until events.size()) { |
| 50 | + val event = events.get(index) |
| 51 | + addIf(event, event != Player.EVENT_TRACKS_CHANGED && event != Player.EVENT_AVAILABLE_COMMANDS_CHANGED) |
| 52 | + } |
| 53 | + } |
| 54 | + .build() |
| 55 | + listener.onEvents(this.player, Player.Events(flagSet)) |
| 56 | + } |
| 57 | + |
| 58 | + override fun onTimelineChanged(timeline: Timeline, reason: Int) { |
| 59 | + listener.onTimelineChanged(timeline, reason) |
| 60 | + } |
| 61 | + |
| 62 | + override fun onMediaItemTransition(mediaItem: MediaItem?, reason: Int) { |
| 63 | + listener.onMediaItemTransition(mediaItem, reason) |
| 64 | + } |
| 65 | + |
| 66 | + override fun onMediaMetadataChanged(mediaMetadata: MediaMetadata) { |
| 67 | + listener.onMediaMetadataChanged(mediaMetadata) |
| 68 | + } |
| 69 | + |
| 70 | + override fun onPlaylistMetadataChanged(mediaMetadata: MediaMetadata) { |
| 71 | + listener.onPlaylistMetadataChanged(mediaMetadata) |
| 72 | + } |
| 73 | + |
| 74 | + override fun onIsLoadingChanged(isLoading: Boolean) { |
| 75 | + listener.onIsLoadingChanged(isLoading) |
| 76 | + } |
| 77 | + |
| 78 | + override fun onTrackSelectionParametersChanged(parameters: TrackSelectionParameters) { |
| 79 | + listener.onTrackSelectionParametersChanged(parameters) |
| 80 | + } |
| 81 | + |
| 82 | + override fun onPlaybackStateChanged(playbackState: Int) { |
| 83 | + listener.onPlaybackStateChanged(playbackState) |
| 84 | + } |
| 85 | + |
| 86 | + override fun onPlayWhenReadyChanged(playWhenReady: Boolean, reason: Int) { |
| 87 | + listener.onPlayWhenReadyChanged(playWhenReady, reason) |
| 88 | + } |
| 89 | + |
| 90 | + override fun onPlaybackSuppressionReasonChanged(playbackSuppressionReason: Int) { |
| 91 | + listener.onPlaybackSuppressionReasonChanged(playbackSuppressionReason) |
| 92 | + } |
| 93 | + |
| 94 | + override fun onIsPlayingChanged(isPlaying: Boolean) { |
| 95 | + listener.onIsPlayingChanged(isPlaying) |
| 96 | + } |
| 97 | + |
| 98 | + override fun onRepeatModeChanged(repeatMode: Int) { |
| 99 | + listener.onRepeatModeChanged(repeatMode) |
| 100 | + } |
| 101 | + |
| 102 | + override fun onShuffleModeEnabledChanged(shuffleModeEnabled: Boolean) { |
| 103 | + listener.onShuffleModeEnabledChanged(shuffleModeEnabled) |
| 104 | + } |
| 105 | + |
| 106 | + override fun onPlayerError(error: PlaybackException) { |
| 107 | + listener.onPlayerError(error) |
| 108 | + } |
| 109 | + |
| 110 | + override fun onPlayerErrorChanged(error: PlaybackException?) { |
| 111 | + listener.onPlayerErrorChanged(error) |
| 112 | + } |
| 113 | + |
| 114 | + override fun onPositionDiscontinuity(oldPosition: Player.PositionInfo, newPosition: Player.PositionInfo, reason: Int) { |
| 115 | + listener.onPositionDiscontinuity(oldPosition, newPosition, reason) |
| 116 | + } |
| 117 | + |
| 118 | + override fun onPlaybackParametersChanged(playbackParameters: PlaybackParameters) { |
| 119 | + listener.onPlaybackParametersChanged(playbackParameters) |
| 120 | + } |
| 121 | + |
| 122 | + override fun onSeekBackIncrementChanged(seekBackIncrementMs: Long) { |
| 123 | + listener.onSeekBackIncrementChanged(seekBackIncrementMs) |
| 124 | + } |
| 125 | + |
| 126 | + override fun onSeekForwardIncrementChanged(seekForwardIncrementMs: Long) { |
| 127 | + listener.onSeekForwardIncrementChanged(seekForwardIncrementMs) |
| 128 | + } |
| 129 | + |
| 130 | + override fun onMaxSeekToPreviousPositionChanged(maxSeekToPreviousPositionMs: Long) { |
| 131 | + listener.onMaxSeekToPreviousPositionChanged(maxSeekToPreviousPositionMs) |
| 132 | + } |
| 133 | + |
| 134 | + override fun onAudioAttributesChanged(audioAttributes: AudioAttributes) { |
| 135 | + listener.onAudioAttributesChanged(audioAttributes) |
| 136 | + } |
| 137 | + |
| 138 | + override fun onVolumeChanged(volume: Float) { |
| 139 | + listener.onVolumeChanged(volume) |
| 140 | + } |
| 141 | + |
| 142 | + override fun onSkipSilenceEnabledChanged(skipSilenceEnabled: Boolean) { |
| 143 | + listener.onSkipSilenceEnabledChanged(skipSilenceEnabled) |
| 144 | + } |
| 145 | + |
| 146 | + override fun onDeviceInfoChanged(deviceInfo: DeviceInfo) { |
| 147 | + listener.onDeviceInfoChanged(deviceInfo) |
| 148 | + } |
| 149 | + |
| 150 | + override fun onDeviceVolumeChanged(volume: Int, muted: Boolean) { |
| 151 | + listener.onDeviceVolumeChanged(volume, muted) |
| 152 | + } |
| 153 | + |
| 154 | + override fun onVideoSizeChanged(videoSize: VideoSize) { |
| 155 | + listener.onVideoSizeChanged(videoSize) |
| 156 | + } |
| 157 | + |
| 158 | + override fun onSurfaceSizeChanged(width: Int, height: Int) { |
| 159 | + listener.onSurfaceSizeChanged(width, height) |
| 160 | + } |
| 161 | + |
| 162 | + override fun onRenderedFirstFrame() { |
| 163 | + listener.onRenderedFirstFrame() |
| 164 | + } |
| 165 | + |
| 166 | + override fun onCues(cueGroup: CueGroup) { |
| 167 | + listener.onCues(cueGroup) |
| 168 | + } |
| 169 | + |
| 170 | + override fun onMetadata(metadata: Metadata) { |
| 171 | + listener.onMetadata(metadata) |
| 172 | + } |
| 173 | + |
| 174 | + override fun equals(other: Any?): Boolean { |
| 175 | + if (this === other) return true |
| 176 | + if (javaClass != other?.javaClass) return false |
| 177 | + |
| 178 | + other as CastForwardingListener |
| 179 | + |
| 180 | + if (player != other.player) return false |
| 181 | + if (listener != other.listener) return false |
| 182 | + |
| 183 | + return true |
| 184 | + } |
| 185 | + |
| 186 | + override fun hashCode(): Int { |
| 187 | + var result = player.hashCode() |
| 188 | + result = 31 * result + listener.hashCode() |
| 189 | + return result |
| 190 | + } |
| 191 | +} |
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