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Diffstat (limited to 'media/PictureInPicture/kotlinApp/app/src/main/java/com/example/android/pictureinpicture/widget/MovieView.kt')
-rw-r--r--media/PictureInPicture/kotlinApp/app/src/main/java/com/example/android/pictureinpicture/widget/MovieView.kt170
1 files changed, 76 insertions, 94 deletions
diff --git a/media/PictureInPicture/kotlinApp/app/src/main/java/com/example/android/pictureinpicture/widget/MovieView.kt b/media/PictureInPicture/kotlinApp/app/src/main/java/com/example/android/pictureinpicture/widget/MovieView.kt
index e6081c72..04f10aae 100644
--- a/media/PictureInPicture/kotlinApp/app/src/main/java/com/example/android/pictureinpicture/widget/MovieView.kt
+++ b/media/PictureInPicture/kotlinApp/app/src/main/java/com/example/android/pictureinpicture/widget/MovieView.kt
@@ -47,6 +47,18 @@ class MovieView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
defStyleAttr: Int = 0) :
RelativeLayout(context, attrs, defStyleAttr) {
+ companion object {
+
+ private val TAG = "MovieView"
+
+ /** The amount of time we are stepping forward or backward for fast-forward and fast-rewind. */
+ private val FAST_FORWARD_REWIND_INTERVAL = 5000 // ms
+
+ /** The amount of time until we fade out the controls. */
+ private val TIMEOUT_CONTROLS = 3000L // ms
+
+ }
+
/**
* Monitors all events related to [MovieView].
*/
@@ -101,12 +113,12 @@ class MovieView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
// Inflate the content
View.inflate(context, R.layout.view_movie, this)
- mSurfaceView = findViewById<View>(R.id.surface) as SurfaceView
+ mSurfaceView = findViewById<SurfaceView>(R.id.surface)
mShade = findViewById<View>(R.id.shade)
- mToggle = findViewById<View>(R.id.toggle) as ImageButton
- mFastForward = findViewById<View>(R.id.fast_forward) as ImageButton
- mFastRewind = findViewById<View>(R.id.fast_rewind) as ImageButton
- mMinimize = findViewById<View>(R.id.minimize) as ImageButton
+ mToggle = findViewById<ImageButton>(R.id.toggle)
+ mFastForward = findViewById<ImageButton>(R.id.fast_forward)
+ mFastRewind = findViewById<ImageButton>(R.id.fast_rewind)
+ mMinimize = findViewById<ImageButton>(R.id.minimize)
// Attributes
val a = context.obtainStyledAttributes(attrs, R.styleable.MovieView,
@@ -125,14 +137,16 @@ class MovieView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
R.id.minimize -> mMovieListener?.onMovieMinimized()
}
// Start or reset the timeout to hide controls
- if (mMediaPlayer != null) {
+ mMediaPlayer?.let { player ->
if (mTimeoutHandler == null) {
mTimeoutHandler = TimeoutHandler(this@MovieView)
}
- mTimeoutHandler!!.removeMessages(TimeoutHandler.MESSAGE_HIDE_CONTROLS)
- if (mMediaPlayer!!.isPlaying) {
- mTimeoutHandler!!.sendEmptyMessageDelayed(
- TimeoutHandler.MESSAGE_HIDE_CONTROLS, TIMEOUT_CONTROLS.toLong())
+ mTimeoutHandler?.let { handler ->
+ handler.removeMessages(TimeoutHandler.MESSAGE_HIDE_CONTROLS)
+ if (player.isPlaying) {
+ handler.sendEmptyMessageDelayed(TimeoutHandler.MESSAGE_HIDE_CONTROLS,
+ TIMEOUT_CONTROLS)
+ }
}
}
}
@@ -148,23 +162,22 @@ class MovieView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
openVideo(holder.surface)
}
- override fun surfaceChanged(holder: SurfaceHolder, format: Int, width: Int, height: Int) {
+ override fun surfaceChanged(holder: SurfaceHolder, format: Int,
+ width: Int, height: Int) {
// Do nothing
}
override fun surfaceDestroyed(holder: SurfaceHolder) {
- if (mMediaPlayer != null) {
- mSavedCurrentPosition = mMediaPlayer!!.currentPosition
- }
+ mMediaPlayer?.let { mSavedCurrentPosition = it.currentPosition }
closeVideo()
}
})
}
override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
- if (mMediaPlayer != null) {
- val videoWidth = mMediaPlayer!!.videoWidth
- val videoHeight = mMediaPlayer!!.videoHeight
+ mMediaPlayer?.let { player ->
+ val videoWidth = player.videoWidth
+ val videoHeight = player.videoHeight
if (videoWidth != 0 && videoHeight != 0) {
val aspectRatio = videoHeight.toFloat() / videoWidth
val width = View.MeasureSpec.getSize(widthMeasureSpec)
@@ -172,11 +185,13 @@ class MovieView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
val height = View.MeasureSpec.getSize(heightMeasureSpec)
val heightMode = View.MeasureSpec.getMode(heightMeasureSpec)
if (mAdjustViewBounds) {
- if (widthMode == View.MeasureSpec.EXACTLY && heightMode != View.MeasureSpec.EXACTLY) {
+ if (widthMode == View.MeasureSpec.EXACTLY
+ && heightMode != View.MeasureSpec.EXACTLY) {
super.onMeasure(widthMeasureSpec,
View.MeasureSpec.makeMeasureSpec((width * aspectRatio).toInt(),
View.MeasureSpec.EXACTLY))
- } else if (widthMode != View.MeasureSpec.EXACTLY && heightMode == View.MeasureSpec.EXACTLY) {
+ } else if (widthMode != View.MeasureSpec.EXACTLY
+ && heightMode == View.MeasureSpec.EXACTLY) {
super.onMeasure(View.MeasureSpec.makeMeasureSpec((height / aspectRatio).toInt(),
View.MeasureSpec.EXACTLY), heightMeasureSpec)
} else {
@@ -202,10 +217,8 @@ class MovieView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
}
override fun onDetachedFromWindow() {
- if (mTimeoutHandler != null) {
- mTimeoutHandler!!.removeMessages(TimeoutHandler.MESSAGE_HIDE_CONTROLS)
- mTimeoutHandler = null
- }
+ mTimeoutHandler?.removeMessages(TimeoutHandler.MESSAGE_HIDE_CONTROLS)
+ mTimeoutHandler = null
super.onDetachedFromWindow()
}
@@ -276,24 +289,18 @@ class MovieView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
* Fast-forward the video.
*/
fun fastForward() {
- if (mMediaPlayer == null) {
- return
- }
- mMediaPlayer!!.seekTo(mMediaPlayer!!.currentPosition + FAST_FORWARD_REWIND_INTERVAL)
+ mMediaPlayer?.let { it.seekTo(it.currentPosition + FAST_FORWARD_REWIND_INTERVAL) }
}
/**
* Fast-rewind the video.
*/
fun fastRewind() {
- if (mMediaPlayer == null) {
- return
- }
- mMediaPlayer!!.seekTo(mMediaPlayer!!.currentPosition - FAST_FORWARD_REWIND_INTERVAL)
+ mMediaPlayer?.let { it.seekTo(it.currentPosition - FAST_FORWARD_REWIND_INTERVAL) }
}
val isPlaying: Boolean
- get() = mMediaPlayer != null && mMediaPlayer!!.isPlaying
+ get() = mMediaPlayer?.isPlaying ?: false
fun play() {
if (mMediaPlayer == null) {
@@ -302,9 +309,7 @@ class MovieView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
mMediaPlayer!!.start()
adjustToggleState()
keepScreenOn = true
- if (mMovieListener != null) {
- mMovieListener!!.onMovieStarted()
- }
+ mMovieListener?.onMovieStarted()
}
fun pause() {
@@ -315,9 +320,7 @@ class MovieView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
mMediaPlayer!!.pause()
adjustToggleState()
keepScreenOn = false
- if (mMovieListener != null) {
- mMovieListener!!.onMovieStopped()
- }
+ mMovieListener?.onMovieStopped()
}
internal fun openVideo(surface: Surface) {
@@ -325,52 +328,42 @@ class MovieView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
return
}
mMediaPlayer = MediaPlayer()
- mMediaPlayer!!.setSurface(surface)
- try {
- resources.openRawResourceFd(mVideoResourceId).use { fd ->
- mMediaPlayer!!.setDataSource(fd)
- mMediaPlayer!!.setOnPreparedListener { mediaPlayer ->
- // Adjust the aspect ratio of this view
- requestLayout()
- if (mSavedCurrentPosition > 0) {
- mediaPlayer.seekTo(mSavedCurrentPosition)
- mSavedCurrentPosition = 0
- } else {
- // Start automatically
- play()
+ mMediaPlayer?.let { player ->
+ player.setSurface(surface)
+ try {
+ resources.openRawResourceFd(mVideoResourceId).use { fd ->
+ player.setDataSource(fd)
+ player.setOnPreparedListener { mediaPlayer ->
+ // Adjust the aspect ratio of this view
+ requestLayout()
+ if (mSavedCurrentPosition > 0) {
+ mediaPlayer.seekTo(mSavedCurrentPosition)
+ mSavedCurrentPosition = 0
+ } else {
+ // Start automatically
+ play()
+ }
}
- }
- mMediaPlayer!!.setOnCompletionListener {
- adjustToggleState()
- keepScreenOn = false
- if (mMovieListener != null) {
- mMovieListener!!.onMovieStopped()
+ player.setOnCompletionListener {
+ adjustToggleState()
+ keepScreenOn = false
+ mMovieListener?.onMovieStopped()
}
+ player.prepare()
}
- mMediaPlayer!!.prepare()
+ } catch (e: IOException) {
+ Log.e(TAG, "Failed to open video", e)
}
- } catch (e: IOException) {
- Log.e(TAG, "Failed to open video", e)
}
-
}
internal fun closeVideo() {
- if (mMediaPlayer != null) {
- mMediaPlayer!!.release()
- mMediaPlayer = null
- }
+ mMediaPlayer?.release()
+ mMediaPlayer = null
}
internal fun toggle() {
- if (mMediaPlayer == null) {
- return
- }
- if (mMediaPlayer!!.isPlaying) {
- pause()
- } else {
- play()
- }
+ mMediaPlayer?.let { if (it.isPlaying) pause() else play() }
}
internal fun toggleControls() {
@@ -382,24 +375,25 @@ class MovieView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
}
internal fun adjustToggleState() {
- if (mMediaPlayer != null && mMediaPlayer!!.isPlaying) {
- mToggle.contentDescription = resources.getString(R.string.pause)
- mToggle.setImageResource(R.drawable.ic_pause_64dp)
- } else {
- mToggle.contentDescription = resources.getString(R.string.play)
- mToggle.setImageResource(R.drawable.ic_play_arrow_64dp)
+ mMediaPlayer?.let {
+ if (it.isPlaying) {
+ mToggle.contentDescription = resources.getString(R.string.pause)
+ mToggle.setImageResource(R.drawable.ic_pause_64dp)
+ } else {
+ mToggle.contentDescription = resources.getString(R.string.play)
+ mToggle.setImageResource(R.drawable.ic_play_arrow_64dp)
+ }
}
}
- private class TimeoutHandler internal constructor(view: MovieView) : Handler() {
+ private class TimeoutHandler(view: MovieView) : Handler() {
private val mMovieViewRef: WeakReference<MovieView> = WeakReference(view)
override fun handleMessage(msg: Message) {
when (msg.what) {
MESSAGE_HIDE_CONTROLS -> {
- val movieView = mMovieViewRef.get()
- movieView?.hideControls()
+ mMovieViewRef.get()?.hideControls()
}
else -> super.handleMessage(msg)
}
@@ -411,16 +405,4 @@ class MovieView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
}
- companion object {
-
- private val TAG = "MovieView"
-
- /** The amount of time we are stepping forward or backward for fast-forward and fast-rewind. */
- private val FAST_FORWARD_REWIND_INTERVAL = 5000 // ms
-
- /** The amount of time until we fade out the controls. */
- private val TIMEOUT_CONTROLS = 3000 // ms
-
- }
-
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-26 13:58:08 +0000