norohind/vanilla
1
0
Fork 0
Code Issues 1 Pull Requests Projects Releases Wiki Activity

implement triple-click-to-previous

Browse Source
This commit is contained in:
Adrian Ulrich 2016-09-08 21:13:59 +02:00
parent b88a6f004b
commit 0752f42644
1 changed files with 67 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

77
src/ch/blinkenlights/android/vanilla/MediaButtonReceiver.java
View File

@ -1,4 +1,5 @@
/*
* Copyright (C) 2016 Adrian Ulrich <adrian@blinkenlights.ch>
* Copyright (C) 2012 Christopher Eby <kreed@kreed.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
@ -30,8 +31,8 @@ import android.content.SharedPreferences;
import android.media.AsyncPlayer;
import android.media.AudioManager;
import android.net.Uri;
import android.os.Build;
import android.os.SystemClock;
import android.os.Handler;
import android.view.KeyEvent;
/**
@ -39,7 +40,7 @@ import android.view.KeyEvent;
* appropriately.
*/
public class MediaButtonReceiver extends BroadcastReceiver {
/**
/**
* If another button event is received before this time in milliseconds
* expires, the event with be considered a double click.
*/
@ -54,6 +55,10 @@ public class MediaButtonReceiver extends BroadcastReceiver {
* Time of the last play/pause click. Used to detect double-clicks.
*/
private static long sLastClickTime = 0;
/**
* The class which will fire delayed events
*/
private static DelayedClickCounter sDelayedClickCounter;
/**
* Whether a beep should be played in response to double clicks be used.
* 1 for yes, 0 for no, -1 for uninitialized.
@ -135,12 +140,14 @@ public class MediaButtonReceiver extends BroadcastReceiver {
case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
// single click: pause/resume.
// double click: next track
// triple click: previous track
if (action == KeyEvent.ACTION_DOWN) {
long time = SystemClock.uptimeMillis();
if (time - sLastClickTime < DOUBLE_CLICK_DELAY) {
beep(context);
act = PlaybackService.ACTION_NEXT_SONG_AUTOPLAY;
sDelayedClickCounter = new DelayedClickCounter(context, time);
Handler handler = new Handler();
handler.postDelayed(sDelayedClickCounter, DOUBLE_CLICK_DELAY);
} else {
act = PlaybackService.ACTION_TOGGLE_PLAYBACK;
}
@ -167,15 +174,65 @@ public class MediaButtonReceiver extends BroadcastReceiver {
return false;
}
if (act != null) {
Intent intent = new Intent(context, PlaybackService.class);
intent.setAction(act);
context.startService(intent);
}
runAction(context, act);
return true;
}
/**
* Passes an action to PlaybackService
*
* @param context the context to use
* @param act the action to pass on
*/
private static void runAction(Context context, String act) {
if (act == null)
return;
Intent intent = new Intent(context, PlaybackService.class);
intent.setAction(act);
context.startService(intent);
}
/**
* Runable to run a delayed action
* Inspects sLastClickTime and sDelayedClicks to guess what to do
*
* @param context the context to use
* @param serial the value of sLastClickTime during creation, used to identify stale events
*/
private static class DelayedClickCounter implements Runnable {
private Context mContext;
private long mSerial;
private static int sDelayedClicks;
public DelayedClickCounter(Context context, long serial) {
mContext = context;
mSerial = serial;
}
@Override
public void run() {
sDelayedClicks++;
if (mSerial != sLastClickTime)
return; // just count the click, don't fire.
String act = null;
switch (sDelayedClicks) {
case 1:
act = PlaybackService.ACTION_NEXT_SONG_AUTOPLAY;
break;
default:
act = PlaybackService.ACTION_PREVIOUS_SONG_AUTOPLAY;
}
sDelayedClicks = 0;
runAction(mContext, act);
}
}
@Override
public void onReceive(Context context, Intent intent)
{