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PlaybackControlView improvements

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-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=132981908
This commit is contained in:
olly 2016-09-13 03:43:42 -07:00 committed by Oliver Woodman
parent f2229d920b
commit f4248410d9
3 changed files with 118 additions and 103 deletions
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206
library/src/main/java/com/google/android/exoplayer2/ui/PlaybackControlView.java
View File

@ -24,6 +24,7 @@ import android.widget.FrameLayout;
import android.widget.ImageButton;
import android.widget.SeekBar;
import android.widget.TextView;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.ExoPlaybackException;
import com.google.android.exoplayer2.ExoPlayer;
import com.google.android.exoplayer2.R;
@ -53,6 +54,7 @@ public class PlaybackControlView extends FrameLayout {
public static final int DEFAULT_REWIND_MS = 5000;
public static final int DEFAULT_SHOW_DURATION_MS = 5000;
private static final int PROGRESS_BAR_MAX = 1000;
private static final long MAX_POSITION_FOR_SEEK_TO_PREVIOUS = 3000;
private final ComponentListener componentListener;
@ -72,7 +74,6 @@ public class PlaybackControlView extends FrameLayout {
private VisibilityListener visibilityListener;
private boolean dragging;
private boolean isProgressUpdating;
private int rewindMs = DEFAULT_REWIND_MS;
private int fastForwardMs = DEFAULT_FAST_FORWARD_MS;
private int showDurationMs = DEFAULT_SHOW_DURATION_MS;
@ -80,12 +81,7 @@ public class PlaybackControlView extends FrameLayout {
private final Runnable updateProgressAction = new Runnable() {
@Override
public void run() {
long position = updateProgress();
if (!dragging && isVisible() && isPlaying()) {
postDelayed(updateProgressAction, 1000 - (position % 1000));
} else {
isProgressUpdating = false;
}
updateProgress();
}
};
@ -109,14 +105,12 @@ public class PlaybackControlView extends FrameLayout {
componentListener = new ComponentListener();
LayoutInflater.from(context).inflate(R.layout.playback_control_view, this);
time = (TextView) findViewById(R.id.time);
timeCurrent = (TextView) findViewById(R.id.time_current);
progressBar = (SeekBar) findViewById(R.id.mediacontroller_progress);
progressBar.setOnSeekBarChangeListener(componentListener);
progressBar.setMax(1000);
playButton = (ImageButton) findViewById(R.id.pause);
progressBar.setMax(PROGRESS_BAR_MAX);
playButton = (ImageButton) findViewById(R.id.play);
playButton.setOnClickListener(componentListener);
previousButton = findViewById(R.id.prev);
previousButton.setOnClickListener(componentListener);
@ -126,6 +120,7 @@ public class PlaybackControlView extends FrameLayout {
rewindButton.setOnClickListener(componentListener);
fastForwardButton = findViewById(R.id.ffwd);
fastForwardButton.setOnClickListener(componentListener);
updateAll();
}
/**
@ -141,8 +136,7 @@ public class PlaybackControlView extends FrameLayout {
if (player != null) {
player.addListener(componentListener);
}
updatePlayPauseButton();
updateTime();
updateAll();
}
/**
@ -200,13 +194,9 @@ public class PlaybackControlView extends FrameLayout {
if (visibilityListener != null) {
visibilityListener.onVisibilityChange(getVisibility());
}
isProgressUpdating = true;
post(updateProgressAction);
removeCallbacks(hideAction);
updateAll();
showDurationMs = durationMs;
if (durationMs > 0) {
postDelayed(hideAction, durationMs);
}
hideDeferred();
}
/**
@ -230,76 +220,99 @@ public class PlaybackControlView extends FrameLayout {
private void hideDeferred() {
removeCallbacks(hideAction);
if (showDurationMs != 0) {
if (showDurationMs > 0) {
postDelayed(hideAction, showDurationMs);
}
}
private void updateAll() {
updatePlayPauseButton();
updateNavigation();
updateProgress();
}
private void updatePlayPauseButton() {
playButton.setImageResource(player != null && player.getPlayWhenReady()
? R.drawable.ic_media_pause : R.drawable.ic_media_play);
if (!isVisible()) {
return;
}
boolean playing = player != null && player.getPlayWhenReady();
playButton.setImageResource(playing ? R.drawable.ic_media_pause : R.drawable.ic_media_play);
playButton.setContentDescription(
getResources().getString(playing ? R.string.pause_description : R.string.play_description));
}
private void updateNavigationButtons() {
if (player.getCurrentTimeline() == null || player.getCurrentTimeline().getWindowCount() < 2) {
previousButton.setVisibility(GONE);
nextButton.setVisibility(GONE);
} else if (player.getCurrentWindowIndex() == 0) {
setButtonEnabled(previousButton, false);
setButtonEnabled(nextButton, true);
} else if (player.getCurrentWindowIndex() == player.getCurrentTimeline().getWindowCount() - 1) {
setButtonEnabled(previousButton, true);
setButtonEnabled(nextButton, false);
private void updateNavigation() {
if (!isVisible()) {
return;
}
Timeline currentTimeline = player != null ? player.getCurrentTimeline() : null;
boolean haveTimeline = currentTimeline != null;
boolean isSeekable = false;
boolean enablePrevious = false;
boolean enableNext = false;
if (haveTimeline) {
int currentWindowIndex = player.getCurrentWindowIndex();
currentTimeline.getWindow(currentWindowIndex, currentWindow);
isSeekable = currentWindow.isSeekable;
enablePrevious = currentWindowIndex > 0 || isSeekable || !currentWindow.isDynamic;
enableNext = (currentWindowIndex < currentTimeline.getWindowCount() - 1)
|| currentWindow.isDynamic;
}
setButtonEnabled(enablePrevious , previousButton);
setButtonEnabled(enableNext, nextButton);
setButtonEnabled(isSeekable, fastForwardButton);
setButtonEnabled(isSeekable, rewindButton);
progressBar.setEnabled(isSeekable);
}
private void updateProgress() {
if (!isVisible()) {
return;
}
long duration = player == null ? 0 : player.getDuration();
long position = player == null ? 0 : player.getCurrentPosition();
time.setText(stringForTime(duration));
if (!dragging) {
timeCurrent.setText(stringForTime(position));
}
if (!dragging) {
progressBar.setProgress(progressBarValue(position));
}
long bufferedPosition = player == null ? 0 : player.getBufferedPosition();
progressBar.setSecondaryProgress(progressBarValue(bufferedPosition));
// Remove scheduled updates.
removeCallbacks(updateProgressAction);
// Schedule an update if necessary.
int playbackState = player == null ? ExoPlayer.STATE_IDLE : player.getPlaybackState();
if (playbackState != ExoPlayer.STATE_IDLE && playbackState != ExoPlayer.STATE_ENDED) {
long delayMs;
if (player.getPlayWhenReady() && playbackState == ExoPlayer.STATE_READY) {
delayMs = 1000 - (position % 1000);
if (delayMs < 200) {
delayMs += 1000;
}
} else {
setButtonEnabled(previousButton, true);
setButtonEnabled(nextButton, true);
delayMs = 1000;
}
postDelayed(updateProgressAction, delayMs);
}
}
private void setButtonEnabled(View button, boolean enabled) {
button.setEnabled(enabled);
private void setButtonEnabled(boolean enabled, View view) {
view.setEnabled(enabled);
if (Util.SDK_INT >= 11) {
button.setAlpha(enabled ? 1f : 0.3f);
button.setVisibility(VISIBLE);
view.setAlpha(enabled ? 1f : 0.3f);
view.setVisibility(VISIBLE);
} else {
button.setVisibility(enabled ? VISIBLE : INVISIBLE);
view.setVisibility(enabled ? VISIBLE : INVISIBLE);
}
}
private void updateUiForLiveStream() {
int visibility = player.getCurrentTimeline() != null && player.getCurrentTimeline()
.getWindow(player.getCurrentWindowIndex(), currentWindow).isDynamic ? GONE
: VISIBLE;
progressBar.setVisibility(visibility);
timeCurrent.setVisibility(visibility);
time.setVisibility(visibility);
fastForwardButton.setVisibility(visibility);
rewindButton.setVisibility(visibility);
}
private long updateProgress() {
if (player == null || dragging) {
return 0;
}
long position = player.getCurrentPosition();
long duration = player.getDuration();
if (progressBar != null) {
if (duration > 0) {
progressBar.setProgress((int) (1000 * position / duration));
}
progressBar.setSecondaryProgress(player.getBufferedPercentage() * 10);
}
updateTime();
return position;
}
private void updateTime() {
time.setText(stringForTime(player == null ? 0 : player.getDuration()));
timeCurrent.setText(stringForTime(player == null ? 0 : player.getCurrentPosition()));
}
private String stringForTime(long timeMs) {
long totalSeconds = timeMs / 1000;
if (timeMs == C.TIME_UNSET) {
timeMs = 0;
}
long totalSeconds = (timeMs + 500) / 1000;
long seconds = totalSeconds % 60;
long minutes = (totalSeconds / 60) % 60;
long hours = totalSeconds / 3600;
@ -308,15 +321,26 @@ public class PlaybackControlView extends FrameLayout {
: formatter.format("%02d:%02d", minutes, seconds).toString();
}
private boolean isPlaying() {
return player != null && player.getPlayWhenReady() && (player.getPlaybackState()
== ExoPlayer.STATE_READY || player.getPlaybackState() == ExoPlayer.STATE_BUFFERING);
private int progressBarValue(long position) {
long duration = player == null ? C.TIME_UNSET : player.getDuration();
return duration == C.TIME_UNSET || duration == 0 ? 0
: (int) ((position * PROGRESS_BAR_MAX) / duration);
}
private long positionValue(int progress) {
long duration = player == null ? C.TIME_UNSET : player.getDuration();
return duration == C.TIME_UNSET ? 0 : ((duration * progress) / PROGRESS_BAR_MAX);
}
private void previous() {
Timeline currentTimeline = player.getCurrentTimeline();
if (currentTimeline == null) {
return;
}
int currentWindowIndex = player.getCurrentWindowIndex();
if (currentWindowIndex > 0 && player.getCurrentPosition()
<= MAX_POSITION_FOR_SEEK_TO_PREVIOUS) {
currentTimeline.getWindow(currentWindowIndex, currentWindow);
if (currentWindowIndex > 0 && (player.getCurrentPosition() <= MAX_POSITION_FOR_SEEK_TO_PREVIOUS
|| (currentWindow.isDynamic && !currentWindow.isSeekable))) {
player.seekToDefaultPosition(currentWindowIndex - 1);
} else {
player.seekTo(0);
@ -324,10 +348,15 @@ public class PlaybackControlView extends FrameLayout {
}
private void next() {
int currentWindowIndex = player.getCurrentWindowIndex();
Timeline currentTimeline = player.getCurrentTimeline();
if (currentTimeline != null && currentWindowIndex < currentTimeline.getWindowCount() - 1) {
if (currentTimeline == null) {
return;
}
int currentWindowIndex = player.getCurrentWindowIndex();
if (currentWindowIndex < currentTimeline.getWindowCount() - 1) {
player.seekToDefaultPosition(currentWindowIndex + 1);
} else if (currentTimeline.getWindow(currentWindowIndex, currentWindow, false).isDynamic) {
player.seekToDefaultPosition();
}
}
@ -386,37 +415,34 @@ public class PlaybackControlView extends FrameLayout {
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
timeCurrent.setText(stringForTime(player == null ? 0 : player.getDuration() * progress
/ 1000));
progressBar.setSecondaryProgress(player == null ? 0 : player.getBufferedPercentage() * 10);
if (fromUser) {
timeCurrent.setText(stringForTime(positionValue(progress)));
}
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
dragging = false;
player.seekTo(player.getDuration() * seekBar.getProgress() / 1000);
player.seekTo(positionValue(seekBar.getProgress()));
hideDeferred();
}
@Override
public void onPlayerStateChanged(boolean playWhenReady, int playbackState) {
if (isPlaying() && !isProgressUpdating) {
isProgressUpdating = true;
post(updateProgressAction);
}
updatePlayPauseButton();
updateProgress();
}
@Override
public void onPositionDiscontinuity() {
updateNavigationButtons();
updateNavigation();
updateProgress();
updateUiForLiveStream();
}
@Override
public void onTimelineChanged(Timeline timeline, Object manifest) {
// Do nothing.
updateNavigation();
updateProgress();
}
@Override

5
library/src/main/res/layout/playback_control_view.xml
View File

@ -36,9 +36,8 @@
android:contentDescription="@string/rew_description"
style="@style/MediaButton.Rew"/>
<ImageButton android:id="@+id/pause"
android:contentDescription="@string/pause_description"
style="@style/MediaButton.Pause"/>
<ImageButton android:id="@+id/play"
style="@style/MediaButton"/>
<ImageButton android:id="@+id/ffwd"
android:contentDescription="@string/ffw_description"

10
library/src/main/res/values/styles.xml
View File

@ -31,11 +31,6 @@
<item name="android:contentDescription">@string/next_description</item>
</style>
<style name="MediaButton.Play">
<item name="android:src">@drawable/ic_media_play</item>
<item name="android:contentDescription">@string/play_description</item>
</style>
<style name="MediaButton.Ffwd">
<item name="android:src">@drawable/ic_media_ff</item>
<item name="android:contentDescription">@string/ffw_description</item>
@ -46,10 +41,5 @@
<item name="android:contentDescription">@string/rew_description</item>
</style>
<style name="MediaButton.Pause">
<item name="android:src">@drawable/ic_media_pause</item>
<item name="android:contentDescription">@string/pause_description</item>
</style>
</resources>