PlaylistManager.kt 26 KB
Newer Older
Geoffrey Métais's avatar
Geoffrey Métais committed
1 2 3 4 5 6
package org.videolan.vlc.media

import android.content.Intent
import android.net.Uri
import android.support.annotation.MainThread
import android.support.v4.content.LocalBroadcastManager
7
import android.support.v7.preference.PreferenceManager
Geoffrey Métais's avatar
Geoffrey Métais committed
8 9 10 11 12 13 14 15 16 17 18
import android.text.TextUtils
import android.util.Log
import android.widget.Toast
import kotlinx.coroutines.experimental.CoroutineStart
import kotlinx.coroutines.experimental.android.UI
import kotlinx.coroutines.experimental.async
import kotlinx.coroutines.experimental.launch
import org.videolan.libvlc.Media
import org.videolan.libvlc.MediaPlayer
import org.videolan.medialibrary.Medialibrary
import org.videolan.medialibrary.media.MediaWrapper
19 20 21 22
import org.videolan.vlc.BuildConfig
import org.videolan.vlc.PlaybackService
import org.videolan.vlc.R
import org.videolan.vlc.VLCApplication
Geoffrey Métais's avatar
Geoffrey Métais committed
23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
import org.videolan.vlc.gui.preferences.PreferencesActivity
import org.videolan.vlc.gui.preferences.PreferencesFragment
import org.videolan.vlc.gui.video.VideoPlayerActivity
import org.videolan.vlc.util.*
import java.util.*


class PlaylistManager(val service: PlaybackService) : MediaWrapperList.EventListener, Media.EventListener {

    private val TAG = "VLC/PlaylistManager"
    private val PREVIOUS_LIMIT_DELAY = 5000L
    private val AUDIO_REPEAT_MODE_KEY = "audio_repeat_mode"

    private val medialibrary by lazy(LazyThreadSafetyMode.NONE) { Medialibrary.getInstance() }
    val player by lazy(LazyThreadSafetyMode.NONE) { PlayerController() }
38
    private val settings by lazy(LazyThreadSafetyMode.NONE) { PreferenceManager.getDefaultSharedPreferences(service) }
Geoffrey Métais's avatar
Geoffrey Métais committed
39 40 41 42 43 44 45 46 47
    private val ctx by lazy(LazyThreadSafetyMode.NONE) { VLCApplication.getAppContext() }
    private val mediaList = MediaWrapperList()
    var currentIndex = -1
    private var nextIndex = -1
    private var prevIndex = -1
    private var previous = Stack<Int>()
    var repeating = Constants.REPEAT_NONE
    var shuffling = false
    var videoBackground = false
48
        private set
Geoffrey Métais's avatar
Geoffrey Métais committed
49 50 51 52 53
    var isBenchmark = false
    var isHardware = false
    private var parsed = false
    var savedTime = 0L
    private var random = Random(System.currentTimeMillis())
54
    private var newMedia = false
55 56
    @Volatile
    private var expanding = false
Geoffrey Métais's avatar
Geoffrey Métais committed
57 58 59 60 61 62 63 64 65 66

    fun hasMedia() = mediaList.size() != 0
    fun hasCurrentMedia() = isValidPosition(currentIndex)

    fun hasPlaylist() = mediaList.size() > 1

    fun canShuffle() = mediaList.size() > 2

    fun isValidPosition(position: Int) = position in 0 until mediaList.size()

67 68 69 70
    init {
        if (settings.getBoolean("audio_save_repeat", false)) repeating = settings.getInt(AUDIO_REPEAT_MODE_KEY, Constants.REPEAT_NONE)
    }

Geoffrey Métais's avatar
Geoffrey Métais committed
71 72 73 74 75 76 77 78 79 80 81
    /**
     * Loads a selection of files (a non-user-supplied collection of media)
     * into the primary or "currently playing" playlist.
     *
     * @param mediaPathList A list of locations to load
     * @param position The position to start playing at
     */
    @MainThread
    fun loadLocations(mediaPathList: List<String>, position: Int) {
        val mediaList = ArrayList<MediaWrapper>()

82
        for (location in mediaPathList) {
Geoffrey Métais's avatar
Geoffrey Métais committed
83
            var mediaWrapper = medialibrary.getMedia(location)
84
            if (mediaWrapper === null) {
Geoffrey Métais's avatar
Geoffrey Métais committed
85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123
                if (!location.validateLocation()) {
                    Log.w(TAG, "Invalid location " + location)
                    service.showToast(service.resources.getString(R.string.invalid_location, location), Toast.LENGTH_SHORT)
                    continue
                }
                Log.v(TAG, "Creating on-the-fly Media object for " + location)
                mediaWrapper = MediaWrapper(Uri.parse(location))
            }
            mediaList.add(mediaWrapper)
        }
        load(mediaList, position)
    }

    fun load(list: List<MediaWrapper>, position: Int) {
        mediaList.removeEventListener(this)
        mediaList.clear()
        previous.clear()
        for (media in list) mediaList.add(media)
        if (!hasMedia()) {
            Log.w(TAG, "Warning: empty media list, nothing to play !")
            return
        }
        currentIndex = if (isValidPosition(position)) position else 0

        // Add handler after loading the list
        mediaList.addEventListener(this)
        playIndex(position)
        onPlaylistLoaded()
    }

    @Volatile
    private var loadingLastPlaylist = false
    fun loadLastPlaylist(type: Int) {
        if (loadingLastPlaylist) return
        loadingLastPlaylist = true
        launch(UI, CoroutineStart.UNDISPATCHED) {
            val audio = type == Constants.PLAYLIST_TYPE_AUDIO
            val currentMedia = settings.getString(if (audio) "current_song" else "current_media", "")
            if ("" == currentMedia) return@launch
124
            val locations = settings.getString(if (audio) "audio_list" else "media_list", "").split(" ".toRegex()).dropLastWhile({ it.isEmpty() }).toTypedArray()
Geoffrey Métais's avatar
Geoffrey Métais committed
125 126
            if (Util.isArrayEmpty(locations)) return@launch
            val playList = async {
127
                locations.map { Uri.decode(it) }.mapTo(ArrayList(locations.size)) { MediaWrapper(Uri.parse(it)) }
Geoffrey Métais's avatar
Geoffrey Métais committed
128 129 130
            }.await()
            // load playlist
            shuffling = settings.getBoolean(if (audio) "audio_shuffling" else "media_shuffling", false)
131
            repeating = settings.getInt(if (audio) "audio_repeating" else "media_repeating", Constants.REPEAT_NONE)
Geoffrey Métais's avatar
Geoffrey Métais committed
132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147
            val position = settings.getInt(if (audio) "position_in_audio_list" else "position_in_media_list", 0)
            savedTime = settings.getLong(if (audio) "position_in_song" else "position_in_media", -1)
            if (!audio) {
                if (position < playList.size && settings.getBoolean(PreferencesActivity.VIDEO_PAUSED, false)) {
                    playList[position].addFlags(MediaWrapper.MEDIA_PAUSED)
                }
                val rate = settings.getFloat(PreferencesActivity.VIDEO_SPEED, player.getRate())
                if (rate != 1.0f) player.setRate(rate, false)
            }
            load(playList, position)
            loadingLastPlaylist = false
        }
    }

    private fun onPlaylistLoaded() {
        service.onPlaylistLoaded()
148 149 150 151
        launch(UI, CoroutineStart.UNDISPATCHED) {
            determinePrevAndNextIndices()
            launch { mediaList.updateWithMLMeta() }
        }
Geoffrey Métais's avatar
Geoffrey Métais committed
152 153
    }

Geoffrey Métais's avatar
Geoffrey Métais committed
154 155 156
    fun play() {
        if (hasMedia()) player.play()
    }
Geoffrey Métais's avatar
Geoffrey Métais committed
157 158 159 160 161 162 163 164 165 166 167 168 169 170

    fun pause() {
        if (player.pause()) savePosition()
    }

    @MainThread
    fun next() {
        val size = mediaList.size()
        previous.push(currentIndex)
        currentIndex = nextIndex
        if (size == 0 || currentIndex < 0 || currentIndex >= size) {
            Log.w(TAG, "Warning: invalid next index, aborted !")
            //Close video player if started
            LocalBroadcastManager.getInstance(ctx).sendBroadcast(Intent(Constants.EXIT_PLAYER))
171
            stop()
Geoffrey Métais's avatar
Geoffrey Métais committed
172 173 174 175 176 177 178
            return
        }
        videoBackground = !player.isVideoPlaying() && player.canSwitchToVideo()
        playIndex(currentIndex)
    }

    fun stop(systemExit: Boolean = false) {
179 180 181 182
        if (hasCurrentMedia()) {
            savePosition()
            saveMediaMeta()
        }
Geoffrey Métais's avatar
Geoffrey Métais committed
183 184 185 186 187
        player.releaseMedia()
        mediaList.removeEventListener(this)
        previous.clear()
        currentIndex = -1
        mediaList.clear()
188
        if (systemExit) player.release()
Geoffrey Métais's avatar
Geoffrey Métais committed
189 190
        else player.restart()
        service.onPlaybackStopped()
Geoffrey Métais's avatar
Geoffrey Métais committed
191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212
    }

    @MainThread
    fun previous(force : Boolean) {
        if (hasPrevious() && currentIndex > 0 &&
                (force || !player.seekable || player.getTime() < PREVIOUS_LIMIT_DELAY)) {
            val size = mediaList.size()
            currentIndex = prevIndex
            if (previous.size > 0) previous.pop()
            if (size == 0 || prevIndex < 0 || currentIndex >= size) {
                Log.w(TAG, "Warning: invalid previous index, aborted !")
                player.stop()
                return
            }
            playIndex(currentIndex)
        } else player.setPosition(0F)
    }

    fun shuffle() {
        if (shuffling) previous.clear()
        shuffling = !shuffling
        savePosition()
213
        launch(UI, CoroutineStart.UNDISPATCHED) { determinePrevAndNextIndices() }
Geoffrey Métais's avatar
Geoffrey Métais committed
214 215 216 217
    }

    fun setRepeatType(repeatType: Int) {
        repeating = repeatType
218
        if (isAudioList() && settings.getBoolean("audio_save_repeat", false))
Geoffrey Métais's avatar
Geoffrey Métais committed
219 220
            settings.edit().putInt(AUDIO_REPEAT_MODE_KEY, repeating).apply()
        savePosition()
221
        launch(UI, CoroutineStart.UNDISPATCHED) { determinePrevAndNextIndices() }
Geoffrey Métais's avatar
Geoffrey Métais committed
222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245
    }

    fun playIndex(index: Int, flags: Int = 0) {
        if (mediaList.size() == 0) {
            Log.w(TAG, "Warning: empty media list, nothing to play !")
            return
        }
        currentIndex = if (isValidPosition(index)) {
            index
        } else {
            Log.w(TAG, "Warning: index $index out of bounds")
            0
        }

        val mw = mediaList.getMedia(index) ?: return
        val isVideoPlaying = mw.type == MediaWrapper.TYPE_VIDEO && player.isVideoPlaying()
        if (!videoBackground && isVideoPlaying) mw.addFlags(MediaWrapper.MEDIA_VIDEO)
        if (videoBackground) mw.addFlags(MediaWrapper.MEDIA_FORCE_AUDIO)
        parsed = false
        player.switchToVideo = false
        if (TextUtils.equals(mw.uri.scheme, "content")) MediaUtils.retrieveMediaTitle(mw)

        if (mw.hasFlag(MediaWrapper.MEDIA_FORCE_AUDIO) && player.getAudioTracksCount() == 0) {
            next()
246 247
        } else if (mw.type != MediaWrapper.TYPE_VIDEO || isVideoPlaying || player.hasRenderer
                || mw.hasFlag(MediaWrapper.MEDIA_FORCE_AUDIO)) {
248 249 250 251 252 253 254 255 256 257 258
            launch(UI, CoroutineStart.UNDISPATCHED) {
                val media = Media(VLCInstance.get(), FileUtils.getUri(mw.uri))
                VLCOptions.setMediaOptions(media, ctx, flags or mw.flags)
                /* keeping only video during benchmark */
                if (isBenchmark) {
                    media.addOption(":no-audio")
                    media.addOption(":no-spu")
                    if (isHardware) {
                        media.addOption(":codec=mediacodec_ndk,mediacodec_jni,none")
                        isHardware = false
                    }
Geoffrey Métais's avatar
Geoffrey Métais committed
259
                }
260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275
                mw.slaves?.let {
                    for (slave in it) media.addSlave(slave)
                    launch { MediaDatabase.getInstance().saveSlaves(mw) }
                }
                media.setEventListener(this@PlaylistManager)
                player.setSlaves(mw)
                player.startPlayback(media, mediaplayerEventListener)
                media.release()
                if (savedTime <= 0L && mw.time >= 0L && mw.isPodcast) savedTime = mw.time
                determinePrevAndNextIndices()
                service.onNewPlayback(mw)
                if (settings.getBoolean(PreferencesFragment.PLAYBACK_HISTORY, true)) launch {
                    var id = mw.id
                    if (id == 0L) {
                        var internalMedia = medialibrary.findMedia(mw)
                        if (internalMedia != null && internalMedia.id != 0L)
Geoffrey Métais's avatar
Geoffrey Métais committed
276
                            id = internalMedia.id
277
                        else {
278
                            internalMedia = medialibrary.addMedia(Uri.decode(mw.uri.toString()))
279 280 281
                            if (internalMedia != null)
                                id = internalMedia.id
                        }
Geoffrey Métais's avatar
Geoffrey Métais committed
282
                    }
283
                    medialibrary.increasePlayCount(id)
Geoffrey Métais's avatar
Geoffrey Métais committed
284
                }
285 286
                saveCurrentMedia()
                newMedia = true
Geoffrey Métais's avatar
Geoffrey Métais committed
287 288
            }
        } else { //Start VideoPlayer for first video, it will trigger playIndex when ready.
289
            player.stop()
Geoffrey Métais's avatar
Geoffrey Métais committed
290 291 292 293 294 295 296 297 298 299 300 301 302
            VideoPlayerActivity.startOpened(ctx, mw.uri, currentIndex)
        }
    }

    fun onServiceDestroyed() {
        player.release()
    }

    @MainThread
    fun switchToVideo(): Boolean {
        val media = getCurrentMedia()
        if (media === null || media.hasFlag(MediaWrapper.MEDIA_FORCE_AUDIO) || !player.canSwitchToVideo())
            return false
303
        val hasRenderer = player.hasRenderer
Geoffrey Métais's avatar
Geoffrey Métais committed
304
        videoBackground = false
305
        if (player.isVideoPlaying() && !hasRenderer) {//Player is already running, just send it an intent
Geoffrey Métais's avatar
Geoffrey Métais committed
306 307 308 309
            player.setVideoTrackEnabled(true)
            LocalBroadcastManager.getInstance(service).sendBroadcast(
                    VideoPlayerActivity.getIntent(Constants.PLAY_FROM_SERVICE,
                            media, false, currentIndex))
310
        } else if (!player.switchToVideo) { //Start the video player
311
            VideoPlayerActivity.startOpened(VLCApplication.getAppContext(), media.uri, currentIndex)
312
            if (!hasRenderer) player.switchToVideo = true
Geoffrey Métais's avatar
Geoffrey Métais committed
313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329
        }
        return true
    }

    fun setVideoTrackEnabled(enabled: Boolean) {
        if (!hasMedia() || !player.isPlaying()) return
        if (enabled) getCurrentMedia()?.addFlags(MediaWrapper.MEDIA_VIDEO)
        else getCurrentMedia()?.removeFlags(MediaWrapper.MEDIA_VIDEO)
        player.setVideoTrackEnabled(enabled)
    }

    fun hasPrevious() = prevIndex != -1

    fun hasNext() = nextIndex != -1

    override fun onItemAdded(index: Int, mrl: String?) {
        if (BuildConfig.DEBUG) Log.i(TAG, "CustomMediaListItemAdded")
330 331 332 333 334 335
        if (currentIndex >= index && !expanding) ++currentIndex
        launch(UI, CoroutineStart.UNDISPATCHED) {
            determinePrevAndNextIndices()
            executeUpdate()
            saveMediaList()
        }
Geoffrey Métais's avatar
Geoffrey Métais committed
336 337 338 339
    }

    override fun onItemRemoved(index: Int, mrl: String?) {
        if (BuildConfig.DEBUG) Log.i(TAG, "CustomMediaListItemDeleted")
340
        val currentRemoved = currentIndex == index
341 342 343
        if (currentIndex >= index && !expanding) --currentIndex
        launch(UI, CoroutineStart.UNDISPATCHED) {
            determinePrevAndNextIndices()
344
            if (currentRemoved && !expanding) {
345 346 347 348 349
                when {
                    nextIndex != -1 -> next()
                    currentIndex != -1 -> playIndex(currentIndex, 0)
                    else -> stop()
                }
Geoffrey Métais's avatar
Geoffrey Métais committed
350
            }
351 352
            executeUpdate()
            saveMediaList()
Geoffrey Métais's avatar
Geoffrey Métais committed
353 354 355 356 357 358 359 360 361 362 363 364 365 366
        }
    }

    private fun executeUpdate() {
        service.executeUpdate()
    }

    fun saveMediaMeta() {
        val media = medialibrary.findMedia(getCurrentMedia())
        if (media === null || media.id == 0L) return
        val canSwitchToVideo = player.canSwitchToVideo()
        if (media.type == MediaWrapper.TYPE_VIDEO || canSwitchToVideo || media.isPodcast) {
            //Save progress
            val time = player.getTime()
Geoffrey Métais's avatar
Geoffrey Métais committed
367
            val length = player.length
Geoffrey Métais's avatar
Geoffrey Métais committed
368 369 370 371 372 373 374 375
            var progress = time / length.toFloat()
            if (progress > 0.95f || length - time < 10000) {
                //increase seen counter if more than 95% of the media have been seen
                //and reset progress to 0
                media.setLongMeta(MediaWrapper.META_SEEN, ++media.seen)
                progress = 0f
            }
            media.time = if (progress == 0f) 0L else time
376
            media.setLongMeta(MediaWrapper.META_PROGRESS, media.time)
Geoffrey Métais's avatar
Geoffrey Métais committed
377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397
        }
        if (canSwitchToVideo) {
            //Save audio delay
            if (settings.getBoolean("save_individual_audio_delay", false))
                media.setLongMeta(MediaWrapper.META_AUDIODELAY, player.getAudioDelay())
            media.setLongMeta(MediaWrapper.META_SUBTITLE_DELAY, player.getSpuDelay())
            media.setLongMeta(MediaWrapper.META_SUBTITLE_TRACK, player.getSpuTrack().toLong())
        }
    }

    private fun loadMediaMeta(media: MediaWrapper) {
        if (media.id == 0L) return
        if (player.canSwitchToVideo()) {
            if (settings.getBoolean("save_individual_audio_delay", false))
                player.setAudioDelay(media.getMetaLong(MediaWrapper.META_AUDIODELAY))
            player.setSpuTrack(media.getMetaLong(MediaWrapper.META_SUBTITLE_TRACK).toInt())
            player.setSpuDelay(media.getMetaLong(MediaWrapper.META_SUBTITLE_DELAY))
        }
    }

    @Synchronized
398
    private fun saveCurrentMedia() {
Geoffrey Métais's avatar
Geoffrey Métais committed
399
        settings.edit()
400
                .putString(if (isAudioList()) "current_song" else "current_media", mediaList.getMRL(Math.max(currentIndex, 0)))
Geoffrey Métais's avatar
Geoffrey Métais committed
401 402 403 404 405
                .apply()
    }

    @Synchronized
    private fun saveMediaList() {
406
        if (getCurrentMedia() === null) return
Geoffrey Métais's avatar
Geoffrey Métais committed
407 408 409 410
        val locations = StringBuilder()
        for (mw in mediaList.all) locations.append(" ").append(mw.uri.toString())
        //We save a concatenated String because putStringSet is APIv11.
        settings.edit()
411
                .putString(if (!isAudioList()) "media_list" else "audio_list", locations.toString().trim { it <= ' ' })
Geoffrey Métais's avatar
Geoffrey Métais committed
412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428
                .apply()
    }

    override fun onItemMoved(indexBefore: Int, indexAfter: Int, mrl: String?) {
        if (BuildConfig.DEBUG) Log.i(TAG, "CustomMediaListItemMoved")
        if (currentIndex == indexBefore) {
            currentIndex = indexAfter
            if (indexAfter > indexBefore)
                --currentIndex
        } else if (currentIndex in indexAfter..(indexBefore - 1))
            ++currentIndex
        else if (currentIndex in (indexBefore + 1)..(indexAfter - 1))
            --currentIndex

        // If we are in random mode, we completely reset the stored previous track
        // as their indices changed.
        previous.clear()
429 430 431 432 433
        launch(UI, CoroutineStart.UNDISPATCHED) {
            determinePrevAndNextIndices()
            executeUpdate()
            saveMediaList()
        }
Geoffrey Métais's avatar
Geoffrey Métais committed
434 435
    }

436
    private suspend fun determinePrevAndNextIndices(expand: Boolean = false) {
Geoffrey Métais's avatar
Geoffrey Métais committed
437 438
        val media = getCurrentMedia()
        if (expand && media !== null) {
439
            expanding = true
Geoffrey Métais's avatar
Geoffrey Métais committed
440
            nextIndex = expand(media.type == MediaWrapper.TYPE_STREAM)
441
            expanding = false
Geoffrey Métais's avatar
Geoffrey Métais committed
442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504
        } else {
            nextIndex = -1
        }
        prevIndex = -1

        if (nextIndex == -1) {
            // No subitems; play the next item.
            val size = mediaList.size()
            shuffling = shuffling and (size > 2)

            // Repeating once doesn't change the index
            if (repeating == Constants.REPEAT_ONE) {
                nextIndex = currentIndex
                prevIndex = nextIndex
            } else {
                if (shuffling) {
                    if (!previous.isEmpty()) {
                        prevIndex = previous.peek()
                        while (!isValidPosition(prevIndex)) {
                            previous.removeAt(previous.size - 1)
                            if (previous.isEmpty()) {
                                prevIndex = -1
                                break
                            }
                            prevIndex = previous.peek()
                        }
                    }
                    // If we've played all songs already in shuffle, then either
                    // reshuffle or stop (depending on RepeatType).
                    if (previous.size + 1 == size) {
                        if (repeating == Constants.REPEAT_NONE) {
                            nextIndex = -1
                            return
                        } else {
                            previous.clear()
                            random = Random(System.currentTimeMillis())
                        }
                    }
                    random = Random(System.currentTimeMillis())
                    // Find a new index not in previous.
                    do {
                        nextIndex = random.nextInt(size)
                    } while (nextIndex == currentIndex || previous.contains(nextIndex))

                } else {
                    // normal playback
                    if (currentIndex > 0)
                        prevIndex = currentIndex - 1
                    nextIndex = when {
                        currentIndex + 1 < size -> currentIndex + 1
                        repeating == Constants.REPEAT_NONE -> -1
                        else -> 0
                    }
                }
            }
        }
    }

    /**
     * Expand the current media.
     * @return the index of the media was expanded, and -1 if no media was expanded
     */
    @MainThread
505 506
    private suspend fun expand(updateHistory: Boolean): Int {
        val ml = player.expand()
Geoffrey Métais's avatar
Geoffrey Métais committed
507 508
        var ret = -1

509
        if (ml != null && ml.count > 0) {
510
            val mrl = if (updateHistory) getCurrentMedia()?.location else null
Geoffrey Métais's avatar
Geoffrey Métais committed
511 512 513 514 515 516 517
            mediaList.remove(currentIndex)
            for (i in ml.count - 1 downTo 0) {
                val child = ml.getMediaAt(i)
                child.parse()
                mediaList.insert(currentIndex, MediaWrapper(child))
                child.release()
            }
518
            if (mrl !== null && ml.count == 1) medialibrary.addToHistory(mrl, getCurrentMedia()!!.title)
Geoffrey Métais's avatar
Geoffrey Métais committed
519 520
            ret = currentIndex
        }
521
        ml?.release()
Geoffrey Métais's avatar
Geoffrey Métais committed
522 523 524 525 526 527 528 529 530 531 532 533 534 535
        return ret
    }

    fun getCurrentMedia() = mediaList.getMedia(currentIndex)

    fun getPrevMedia() = if (isValidPosition(prevIndex)) mediaList.getMedia(prevIndex) else null

    fun getNextMedia() = if (isValidPosition(nextIndex)) mediaList.getMedia(nextIndex) else null

    fun getMedia(position: Int) = mediaList.getMedia(position)

    private fun seekToResume(media: MediaWrapper) {
        var mw = media
        if (savedTime > 0L) {
Geoffrey Métais's avatar
Geoffrey Métais committed
536
            if (savedTime < 0.95 * player.length) player.seek(savedTime)
Geoffrey Métais's avatar
Geoffrey Métais committed
537 538
            savedTime = 0L
        } else {
Geoffrey Métais's avatar
Geoffrey Métais committed
539
            val length = player.length
Geoffrey Métais's avatar
Geoffrey Métais committed
540 541 542
            if (mw.length <= 0L && length > 0L) {
                mw = medialibrary.findMedia(mw)
                if (mw.id != 0L) {
543
                    mw.time = mw.getMetaLong(MediaWrapper.META_PROGRESS)
Geoffrey Métais's avatar
Geoffrey Métais committed
544 545 546 547 548 549 550 551 552 553
                    if (mw.time > 0L) player.seek(mw.time)
                }
            }
        }
    }

    @Synchronized
    private fun savePosition(reset: Boolean = false) {
        if (!hasMedia()) return
        val editor = settings.edit()
554
        val audio = isAudioList()
Geoffrey Métais's avatar
Geoffrey Métais committed
555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588
        editor.putBoolean(if (audio) "audio_shuffling" else "media_shuffling", shuffling)
        editor.putInt(if (audio) "audio_repeating" else "media_repeating", repeating)
        editor.putInt(if (audio) "position_in_audio_list" else "position_in_media_list", if (reset) 0 else currentIndex)
        editor.putLong(if (audio) "position_in_song" else "position_in_media", if (reset) 0L else player.getTime())
        if (!audio) {
            editor.putBoolean(PreferencesActivity.VIDEO_PAUSED, !player.isPlaying())
            editor.putFloat(PreferencesActivity.VIDEO_SPEED, player.getRate())
        }
        editor.apply()
    }

    /**
     * Append to the current existing playlist
     */
    fun append(list: List<MediaWrapper>) {
        if (!hasCurrentMedia()) {
            load(list, 0)
            return
        }
        for (media in list) mediaList.add(media)
    }

    /**
     * Insert into the current existing playlist
     */

    fun insertNext(list: List<MediaWrapper>) {
        if (!hasCurrentMedia()) {
            load(list, 0)
            return
        }

        val startIndex = currentIndex + 1

589
        for ((index, mw) in list.withIndex()) mediaList.insert(startIndex + index, mw)
Geoffrey Métais's avatar
Geoffrey Métais committed
590 591 592 593 594 595 596
    }

    /**
     * Move an item inside the playlist.
     */
    fun moveItem(positionStart: Int, positionEnd: Int) {
        mediaList.move(positionStart, positionEnd)
597
        launch(UI, CoroutineStart.UNDISPATCHED) { determinePrevAndNextIndices() }
Geoffrey Métais's avatar
Geoffrey Métais committed
598 599 600 601
    }

    fun insertItem(position: Int, mw: MediaWrapper) {
        mediaList.insert(position, mw)
602
        launch(UI, CoroutineStart.UNDISPATCHED) { determinePrevAndNextIndices() }
Geoffrey Métais's avatar
Geoffrey Métais committed
603 604 605 606 607
    }


    fun remove(position: Int) {
        mediaList.remove(position)
608
        launch(UI, CoroutineStart.UNDISPATCHED) { determinePrevAndNextIndices() }
Geoffrey Métais's avatar
Geoffrey Métais committed
609 610 611 612
    }

    fun removeLocation(location: String) {
        mediaList.remove(location)
613
        launch(UI, CoroutineStart.UNDISPATCHED) { determinePrevAndNextIndices() }
Geoffrey Métais's avatar
Geoffrey Métais committed
614 615 616 617
    }

    fun getMediaListSize()= mediaList.size()

618
    fun getMediaList(): MutableList<MediaWrapper> = mediaList.all
Geoffrey Métais's avatar
Geoffrey Métais committed
619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650

    override fun onEvent(event: Media.Event) {
        var update = true
        when (event.type) {
            Media.Event.MetaChanged -> {
                /* Update Meta if file is already parsed */
                if (parsed && player.updateCurrentMeta(event.metaId, getCurrentMedia())) service.executeUpdate()
                if (BuildConfig.DEBUG) Log.i(MediaDatabase.TAG, "Media.Event.MetaChanged: " + event.metaId)
            }
            Media.Event.ParsedChanged -> {
                if (BuildConfig.DEBUG) Log.i(MediaDatabase.TAG, "Media.Event.ParsedChanged")
                player.updateCurrentMeta(-1, getCurrentMedia())
                parsed = true
            }
            else -> update = false
        }
        if (update) {
            service.onMediaEvent(event)
            if (parsed) service.showNotification()
        }
    }

    private val mediaplayerEventListener = MediaPlayer.EventListener { event ->
        when (event.type) {
            MediaPlayer.Event.Playing -> {
                medialibrary.pauseBackgroundOperations()
                videoBackground = false
                val mw = medialibrary.findMedia(getCurrentMedia())
                if (newMedia) {
                    seekToResume(mw)
                    loadMediaMeta(mw)
                    if (mw.type == MediaWrapper.TYPE_STREAM) medialibrary.addToHistory(mw.location, mw.title)
651 652 653
                    saveMediaList()
                    savePosition(true)
                    saveCurrentMedia()
Geoffrey Métais's avatar
Geoffrey Métais committed
654 655 656 657 658
                }
            }
            MediaPlayer.Event.Paused -> medialibrary.resumeBackgroundOperations()
            MediaPlayer.Event.EndReached -> {
                saveMediaMeta()
659
                if (isBenchmark) player.setPreviousStats()
660 661 662 663 664
                launch(UI, CoroutineStart.UNDISPATCHED) {
                    determinePrevAndNextIndices(true)
                    if (nextIndex == -1) savePosition(true)
                    next()
                }
Geoffrey Métais's avatar
Geoffrey Métais committed
665
            }
Geoffrey Métais's avatar
Geoffrey Métais committed
666 667 668 669 670 671
            MediaPlayer.Event.EncounteredError -> {
                service.showToast(service.getString(
                            R.string.invalid_location,
                            getCurrentMedia()?.getLocation() ?: ""), Toast.LENGTH_SHORT)
                next()
            }
Geoffrey Métais's avatar
Geoffrey Métais committed
672 673 674
        }
        service.onMediaPlayerEvent(event)
    }
Geoffrey Métais's avatar
Geoffrey Métais committed
675 676

    fun isAudioList() = !player.canSwitchToVideo() && mediaList.isAudioList
Geoffrey Métais's avatar
Geoffrey Métais committed
677
}