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Merge "LiveData#getValue can return null" into rvc-dev

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This commit is contained in:
TreeHugger Robot
2020-04-11 01:19:37 +00:00
committed by Android (Google) Code Review
parent 0abf11e202 0cf2bc2f53
commit 2f601f4dbe
1 changed files with 9 additions and 4 deletions
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13
packages/SystemUI/src/com/android/systemui/media/SeekBarViewModel.kt
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@@ -34,8 +34,13 @@ private const val POSITION_UPDATE_INTERVAL_MILLIS = 100L
/** ViewModel for seek bar in QS media player. */
class SeekBarViewModel(val bgExecutor: DelayableExecutor) {
private var _data = Progress(false, false, null, null, null)
set(value) {
field = value
_progress.postValue(value)
}
private val _progress = MutableLiveData<Progress>().apply {
postValue(Progress(false, false, null, null, null))
postValue(_data)
}
val progress: LiveData<Progress>
get() = _progress
@@ -73,7 +78,7 @@ class SeekBarViewModel(val bgExecutor: DelayableExecutor) {
val position = playbackState?.position?.toInt()
val duration = mediaMetadata?.getLong(MediaMetadata.METADATA_KEY_DURATION)?.toInt()
val enabled = if (duration != null && duration <= 0) false else true
_progress.postValue(Progress(enabled, seekAvailable, position, duration, color))
_data = Progress(enabled, seekAvailable, position, duration, color)
if (shouldPollPlaybackPosition()) {
checkPlaybackPosition()
}
@@ -82,8 +87,8 @@ class SeekBarViewModel(val bgExecutor: DelayableExecutor) {
@AnyThread
private fun checkPlaybackPosition(): Runnable = bgExecutor.executeDelayed({
val currentPosition = controller?.playbackState?.position?.toInt()
if (currentPosition != null && _progress.value!!.elapsedTime != currentPosition) {
_progress.postValue(_progress.value!!.copy(elapsedTime = currentPosition))
if (currentPosition != null && _data.elapsedTime != currentPosition) {
_data = _data.copy(elapsedTime = currentPosition)
}
if (shouldPollPlaybackPosition()) {
checkPlaybackPosition()