Add a beep for headset button double-click

Also adds missing header to PrefKeys

res/values/translatable.xml

@@ -142,6 +142,8 @@ THE SOFTWARE.
 	<string name="volume_title">Volume</string>
 	<string name="media_button_title">Headset/Bluetooth Controls</string>
 	<string name="media_button_summary">This is also required for ICS lockscreen controls.</string>
+	<string name="media_button_beep_title">Headset Control Beep</string>
+	<string name="media_button_beep_summary">Beep after skipping a track with a headset control double click.</string>
 	<string name="headset_only_title">External Output Only</string>
 	<string name="headset_only_summary">Prevents music from being played through the internal speakers.</string>
 	<string name="headset_pause_title">Pause When Unplugged</string>

res/xml/preference_audio.xml

@@ -34,6 +34,11 @@ THE SOFTWARE.
 		android:title="@string/media_button_title"
 		android:summary="@string/media_button_summary"
 		android:defaultValue="true" />
+	<CheckBoxPreference
+		android:key="media_button_beep"
+		android:title="@string/media_button_beep_title"
+		android:summary="@string/media_button_beep_summary"
+		android:defaultValue="true" />
 	<CheckBoxPreference
 		android:key="headset_only"
 		android:title="@string/headset_only_title"

src/org/kreed/vanilla/MediaButtonReceiver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010, 2011 Christopher Eby <kreed@kreed.org>
+ * Copyright (C) 2012 Christopher Eby <kreed@kreed.org>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,12 +22,14 @@
 
 package org.kreed.vanilla;
 
+import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
-import android.content.BroadcastReceiver;
 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.telephony.TelephonyManager;
@@ -58,15 +60,48 @@ public class MediaButtonReceiver extends BroadcastReceiver {
 	 * Time of the last play/pause click. Used to detect double-clicks.
 	 */
 	private static long sLastClickTime = 0;
+	/**
+	 * Whether a beep should be played in response to double clicks be used.
+	 * 1 for yes, 0 for no, -1 for uninitialized.
+	 */
+	private static int sBeep = -1;
+	/**
+	 * Lazy-loaded AsyncPlayer for beep sounds.
+	 */
+	private static AsyncPlayer sBeepPlayer;
+	/**
+	 * Lazy-loaded URI of the beep resource.
+	 */
+	private static Uri sBeepSound;
 
 	/**
-	 * Reload the preference and enable/disable buttons as appropriate.
+	 * Play a beep sound.
+	 */
+	private static void beep(Context context)
+	{
+		if (sBeep == -1) {
+			SharedPreferences settings = PlaybackService.getSettings(context);
+			sBeep = settings.getBoolean(PrefKeys.MEDIA_BUTTON_BEEP, true) ? 1 : 0;
+		}
+
+		if (sBeep == 1) {
+			if (sBeepPlayer == null) {
+				sBeepPlayer = new AsyncPlayer("BeepPlayer");
+				sBeepSound = Uri.parse("android.resource://org.kreed.vanilla/raw/beep");
+			}
+			sBeepPlayer.play(context, sBeepSound, false, AudioManager.STREAM_MUSIC);
+		}
+	}
+
+	/**
+	 * Reload the preferences and enable/disable buttons as appropriate.
 	 *
 	 * @param context A context to use.
 	 */
 	public static void reloadPreference(Context context)
 	{
 		sUseControls = -1;
+		sBeep = -1;
 		if (useHeadsetControls(context)) {
 			registerMediaButton(context);
 		} else {
@@ -138,10 +173,12 @@ public class MediaButtonReceiver extends BroadcastReceiver {
 
 			if (action == KeyEvent.ACTION_DOWN) {
 				long time = SystemClock.uptimeMillis();
-				if (time - sLastClickTime < DOUBLE_CLICK_DELAY)
+				if (time - sLastClickTime < DOUBLE_CLICK_DELAY) {
+					beep(context);
 					act = PlaybackService.ACTION_NEXT_SONG_AUTOPLAY;
-				else
+				} else {
 					act = PlaybackService.ACTION_TOGGLE_PLAYBACK;
+				}
 				sLastClickTime = time;
 			}
 			break;

src/org/kreed/vanilla/PlaybackService.java

@@ -635,7 +635,7 @@ public final class PlaybackService extends Service
 		} else if (PrefKeys.VOLUME.equals(key)) {
 			mUserVolume = (float)Math.pow(settings.getInt(key, 100) / 100.0, 3);
 			updateVolume();
-		} else if (PrefKeys.MEDIA_BUTTON.equals(key)) {
+		} else if (PrefKeys.MEDIA_BUTTON.equals(key) || PrefKeys.MEDIA_BUTTON_BEEP.equals(key)) {
 			MediaButtonReceiver.reloadPreference(this);
 		} else if (PrefKeys.USE_IDLE_TIMEOUT.equals(key) || PrefKeys.IDLE_TIMEOUT.equals(key)) {
 			mIdleTimeout = settings.getBoolean(PrefKeys.USE_IDLE_TIMEOUT, false) ? settings.getInt(PrefKeys.IDLE_TIMEOUT, 3600) : 0;

src/org/kreed/vanilla/PrefKeys.java

@@ -1,3 +1,24 @@
+/*
+ * Copyright (C) 2012 Christopher Eby <kreed@kreed.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
 
 package org.kreed.vanilla;
 
@@ -21,6 +42,7 @@ public class PrefKeys {
 	public static final String IDLE_TIMEOUT = "idle_timeout";
 	public static final String LIBRARY_PAGE = "library_page";
 	public static final String MEDIA_BUTTON = "media_button";
+	public static final String MEDIA_BUTTON_BEEP = "media_button_beep";
 	public static final String NOTIFICATION_ACTION = "notification_action";
 	public static final String NOTIFICATION_INVERTED_COLOR = "notification_inverted_color";
 	public static final String NOTIFICATION_MODE = "notification_mode";