src/com/android/phone/Ringer.java - platform/packages/apps/Phone - Git at Google

 /*
  * Copyright (C) 2006 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.android.phone;

 import android.content.Context;
 import android.media.AudioManager;
 import android.media.Ringtone;
 import android.media.RingtoneManager;
 import android.net.Uri;
 import android.os.Handler;
 import android.os.IPowerManager;
 import android.os.Looper;
 import android.os.Message;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.SystemClock;
 import android.os.SystemProperties;
 import android.os.SystemVibrator;
 import android.os.Vibrator;
 import android.provider.Settings;
 import android.util.Log;

 import com.android.internal.telephony.Phone;
 /**
  * Ringer manager for the Phone app.
  */
 public class Ringer {
     private static final String LOG_TAG = "Ringer";
     private static final boolean DBG =
             (PhoneGlobals.DBG_LEVEL >= 1) && (SystemProperties.getInt("ro.debuggable", 0) == 1);

     private static final int PLAY_RING_ONCE = 1;
     private static final int STOP_RING = 3;

     private static final int VIBRATE_LENGTH = 1000; // ms
     private static final int PAUSE_LENGTH = 1000; // ms

     /** The singleton instance. */
     private static Ringer sInstance;

     // Uri for the ringtone.
     Uri mCustomRingtoneUri = Settings.System.DEFAULT_RINGTONE_URI;

     Ringtone mRingtone;
     Vibrator mVibrator;
     IPowerManager mPowerManager;
     volatile boolean mContinueVibrating;
     VibratorThread mVibratorThread;
     Context mContext;
     private Worker mRingThread;
     private Handler mRingHandler;
     private long mFirstRingEventTime = -1;
     private long mFirstRingStartTime = -1;

     /**
      * Initialize the singleton Ringer instance.
      * This is only done once, at startup, from PhoneApp.onCreate().
      */
     /* package */ static Ringer init(Context context) {
         synchronized (Ringer.class) {
             if (sInstance == null) {
                 sInstance = new Ringer(context);
             } else {
                 Log.wtf(LOG_TAG, "init() called multiple times!  sInstance = " + sInstance);
             }
             return sInstance;
         }
     }

     /** Private constructor; @see init() */
     private Ringer(Context context) {
         mContext = context;
         mPowerManager = IPowerManager.Stub.asInterface(ServiceManager.getService(Context.POWER_SERVICE));
         // We don't rely on getSystemService(Context.VIBRATOR_SERVICE) to make sure this
         // vibrator object will be isolated from others.
         mVibrator = new SystemVibrator();
     }

     /**
      * After a radio technology change, e.g. from CDMA to GSM or vice versa,
      * the Context of the Ringer has to be updated. This is done by that function.
      *
      * @parameter Phone, the new active phone for the appropriate radio
      * technology
      */
     void updateRingerContextAfterRadioTechnologyChange(Phone phone) {
         if(DBG) Log.d(LOG_TAG, "updateRingerContextAfterRadioTechnologyChange...");
         mContext = phone.getContext();
     }

     /**
      * @return true if we're playing a ringtone and/or vibrating
      *     to indicate that there's an incoming call.
      *     ("Ringing" here is used in the general sense.  If you literally
      *     need to know if we're playing a ringtone or vibrating, use
      *     isRingtonePlaying() or isVibrating() instead.)
      *
      * @see isVibrating
      * @see isRingtonePlaying
      */
     boolean isRinging() {
         synchronized (this) {
             return (isRingtonePlaying() || isVibrating());
         }
     }

     /**
      * @return true if the ringtone is playing
      * @see isVibrating
      * @see isRinging
      */
     private boolean isRingtonePlaying() {
         synchronized (this) {
             return (mRingtone != null && mRingtone.isPlaying()) ||
                     (mRingHandler != null && mRingHandler.hasMessages(PLAY_RING_ONCE));
         }
     }

     /**
      * @return true if we're vibrating in response to an incoming call
      * @see isVibrating
      * @see isRinging
      */
     private boolean isVibrating() {
         synchronized (this) {
             return (mVibratorThread != null);
         }
     }

     /**
      * Starts the ringtone and/or vibrator
      */
     void ring() {
         if (DBG) log("ring()...");

         synchronized (this) {
             try {
                 if (PhoneGlobals.getInstance().showBluetoothIndication()) {
                     mPowerManager.setAttentionLight(true, 0x000000ff);
                 } else {
                     mPowerManager.setAttentionLight(true, 0x00ffffff);
                 }
             } catch (RemoteException ex) {
                 // the other end of this binder call is in the system process.
             }

             if (shouldVibrate() && mVibratorThread == null) {
                 mContinueVibrating = true;
                 mVibratorThread = new VibratorThread();
                 if (DBG) log("- starting vibrator...");
                 mVibratorThread.start();
             }
             AudioManager audioManager =
                     (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);

             if (audioManager.getStreamVolume(AudioManager.STREAM_RING) == 0) {
                 if (DBG) log("skipping ring because volume is zero");
                 return;
             }

             makeLooper();
             if (mFirstRingEventTime < 0) {
                 mFirstRingEventTime = SystemClock.elapsedRealtime();
                 mRingHandler.sendEmptyMessage(PLAY_RING_ONCE);
             } else {
                 // For repeat rings, figure out by how much to delay
                 // the ring so that it happens the correct amount of
                 // time after the previous ring
                 if (mFirstRingStartTime > 0) {
                     // Delay subsequent rings by the delta between event
                     // and play time of the first ring
                     if (DBG) {
                         log("delaying ring by " + (mFirstRingStartTime - mFirstRingEventTime));
                     }
                     mRingHandler.sendEmptyMessageDelayed(PLAY_RING_ONCE,
                             mFirstRingStartTime - mFirstRingEventTime);
                 } else {
                     // We've gotten two ring events so far, but the ring
                     // still hasn't started. Reset the event time to the
                     // time of this event to maintain correct spacing.
                     mFirstRingEventTime = SystemClock.elapsedRealtime();
                 }
             }
         }
     }

     boolean shouldVibrate() {
         AudioManager audioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
         int ringerMode = audioManager.getRingerMode();
         if (CallFeaturesSetting.getVibrateWhenRinging(mContext)) {
             return ringerMode != AudioManager.RINGER_MODE_SILENT;
         } else {
             return ringerMode == AudioManager.RINGER_MODE_VIBRATE;
         }
     }

     /**
      * Stops the ringtone and/or vibrator if any of these are actually
      * ringing/vibrating.
      */
     void stopRing() {
         synchronized (this) {
             if (DBG) log("stopRing()...");

             try {
                 mPowerManager.setAttentionLight(false, 0x00000000);
             } catch (RemoteException ex) {
                 // the other end of this binder call is in the system process.
             }

             if (mRingHandler != null) {
                 mRingHandler.removeCallbacksAndMessages(null);
                 Message msg = mRingHandler.obtainMessage(STOP_RING);
                 msg.obj = mRingtone;
                 mRingHandler.sendMessage(msg);
                 PhoneUtils.setAudioMode();
                 mRingThread = null;
                 mRingHandler = null;
                 mRingtone = null;
                 mFirstRingEventTime = -1;
                 mFirstRingStartTime = -1;
             } else {
                 if (DBG) log("- stopRing: null mRingHandler!");
             }

             if (mVibratorThread != null) {
                 if (DBG) log("- stopRing: cleaning up vibrator thread...");
                 mContinueVibrating = false;
                 mVibratorThread = null;
             }
             // Also immediately cancel any vibration in progress.
             mVibrator.cancel();
         }
     }

     private class VibratorThread extends Thread {
         public void run() {
             while (mContinueVibrating) {
                 mVibrator.vibrate(VIBRATE_LENGTH);
                 SystemClock.sleep(VIBRATE_LENGTH + PAUSE_LENGTH);
             }
         }
     }
     private class Worker implements Runnable {
         private final Object mLock = new Object();
         private Looper mLooper;

         Worker(String name) {
             Thread t = new Thread(null, this, name);
             t.start();
             synchronized (mLock) {
                 while (mLooper == null) {
                     try {
                         mLock.wait();
                     } catch (InterruptedException ex) {
                     }
                 }
             }
         }

         public Looper getLooper() {
             return mLooper;
         }

         public void run() {
             synchronized (mLock) {
                 Looper.prepare();
                 mLooper = Looper.myLooper();
                 mLock.notifyAll();
             }
             Looper.loop();
         }

         public void quit() {
             mLooper.quit();
         }
     }

     /**
      * Sets the ringtone uri in preparation for ringtone creation
      * in makeLooper().  This uri is defaulted to the phone-wide
      * default ringtone.
      */
     void setCustomRingtoneUri (Uri uri) {
         if (uri != null) {
             mCustomRingtoneUri = uri;
         }
     }

     private void makeLooper() {
         if (mRingThread == null) {
             mRingThread = new Worker("ringer");
             mRingHandler = new Handler(mRingThread.getLooper()) {
                 @Override
                 public void handleMessage(Message msg) {
                     Ringtone r = null;
                     switch (msg.what) {
                         case PLAY_RING_ONCE:
                             if (DBG) log("mRingHandler: PLAY_RING_ONCE...");
                             if (mRingtone == null && !hasMessages(STOP_RING)) {
                                 // create the ringtone with the uri
                                 if (DBG) log("creating ringtone: " + mCustomRingtoneUri);
                                 r = RingtoneManager.getRingtone(mContext, mCustomRingtoneUri);
                                 synchronized (Ringer.this) {
                                     if (!hasMessages(STOP_RING)) {
                                         mRingtone = r;
                                     }
                                 }
                             }
                             r = mRingtone;
                             if (r != null && !hasMessages(STOP_RING) && !r.isPlaying()) {
                                 PhoneUtils.setAudioMode();
                                 r.play();
                                 synchronized (Ringer.this) {
                                     if (mFirstRingStartTime < 0) {
                                         mFirstRingStartTime = SystemClock.elapsedRealtime();
                                     }
                                 }
                             }
                             break;
                         case STOP_RING:
                             if (DBG) log("mRingHandler: STOP_RING...");
                             r = (Ringtone) msg.obj;
                             if (r != null) {
                                 r.stop();
                             } else {
                                 if (DBG) log("- STOP_RING with null ringtone!  msg = " + msg);
                             }
                             getLooper().quit();
                             break;
                     }
                 }
             };
         }
     }

     private static void log(String msg) {
         Log.d(LOG_TAG, msg);
     }
 }
	/*
	* Copyright (C) 2006 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.android.phone;

	import android.content.Context;
	import android.media.AudioManager;
	import android.media.Ringtone;
	import android.media.RingtoneManager;
	import android.net.Uri;
	import android.os.Handler;
	import android.os.IPowerManager;
	import android.os.Looper;
	import android.os.Message;
	import android.os.RemoteException;
	import android.os.ServiceManager;
	import android.os.SystemClock;
	import android.os.SystemProperties;
	import android.os.SystemVibrator;
	import android.os.Vibrator;
	import android.provider.Settings;
	import android.util.Log;

	import com.android.internal.telephony.Phone;
	/**
	* Ringer manager for the Phone app.
	*/
	public class Ringer {
	private static final String LOG_TAG = "Ringer";
	private static final boolean DBG =
	(PhoneGlobals.DBG_LEVEL >= 1) && (SystemProperties.getInt("ro.debuggable", 0) == 1);

	private static final int PLAY_RING_ONCE = 1;
	private static final int STOP_RING = 3;

	private static final int VIBRATE_LENGTH = 1000; // ms
	private static final int PAUSE_LENGTH = 1000; // ms

	/** The singleton instance. */
	private static Ringer sInstance;

	// Uri for the ringtone.
	Uri mCustomRingtoneUri = Settings.System.DEFAULT_RINGTONE_URI;

	Ringtone mRingtone;
	Vibrator mVibrator;
	IPowerManager mPowerManager;
	volatile boolean mContinueVibrating;
	VibratorThread mVibratorThread;
	Context mContext;
	private Worker mRingThread;
	private Handler mRingHandler;
	private long mFirstRingEventTime = -1;
	private long mFirstRingStartTime = -1;

	/**
	* Initialize the singleton Ringer instance.
	* This is only done once, at startup, from PhoneApp.onCreate().
	*/
	/* package */ static Ringer init(Context context) {
	synchronized (Ringer.class) {
	if (sInstance == null) {
	sInstance = new Ringer(context);
	} else {
	Log.wtf(LOG_TAG, "init() called multiple times! sInstance = " + sInstance);
	}
	return sInstance;
	}
	}

	/** Private constructor; @see init() */
	private Ringer(Context context) {
	mContext = context;
	mPowerManager = IPowerManager.Stub.asInterface(ServiceManager.getService(Context.POWER_SERVICE));
	// We don't rely on getSystemService(Context.VIBRATOR_SERVICE) to make sure this
	// vibrator object will be isolated from others.
	mVibrator = new SystemVibrator();
	}

	/**
	* After a radio technology change, e.g. from CDMA to GSM or vice versa,
	* the Context of the Ringer has to be updated. This is done by that function.
	*
	* @parameter Phone, the new active phone for the appropriate radio
	* technology
	*/
	void updateRingerContextAfterRadioTechnologyChange(Phone phone) {
	if(DBG) Log.d(LOG_TAG, "updateRingerContextAfterRadioTechnologyChange...");
	mContext = phone.getContext();
	}

	/**
	* @return true if we're playing a ringtone and/or vibrating
	* to indicate that there's an incoming call.
	* ("Ringing" here is used in the general sense. If you literally
	* need to know if we're playing a ringtone or vibrating, use
	* isRingtonePlaying() or isVibrating() instead.)
	*
	* @see isVibrating
	* @see isRingtonePlaying
	*/
	boolean isRinging() {
	synchronized (this) {
	return (isRingtonePlaying() \|\| isVibrating());
	}
	}

	/**
	* @return true if the ringtone is playing
	* @see isVibrating
	* @see isRinging
	*/
	private boolean isRingtonePlaying() {
	synchronized (this) {
	return (mRingtone != null && mRingtone.isPlaying()) \|\|
	(mRingHandler != null && mRingHandler.hasMessages(PLAY_RING_ONCE));
	}
	}

	/**
	* @return true if we're vibrating in response to an incoming call
	* @see isVibrating
	* @see isRinging
	*/
	private boolean isVibrating() {
	synchronized (this) {
	return (mVibratorThread != null);
	}
	}

	/**
	* Starts the ringtone and/or vibrator
	*/
	void ring() {
	if (DBG) log("ring()...");

	synchronized (this) {
	try {
	if (PhoneGlobals.getInstance().showBluetoothIndication()) {
	mPowerManager.setAttentionLight(true, 0x000000ff);
	} else {
	mPowerManager.setAttentionLight(true, 0x00ffffff);
	}
	} catch (RemoteException ex) {
	// the other end of this binder call is in the system process.
	}

	if (shouldVibrate() && mVibratorThread == null) {
	mContinueVibrating = true;
	mVibratorThread = new VibratorThread();
	if (DBG) log("- starting vibrator...");
	mVibratorThread.start();
	}
	AudioManager audioManager =
	(AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);

	if (audioManager.getStreamVolume(AudioManager.STREAM_RING) == 0) {
	if (DBG) log("skipping ring because volume is zero");
	return;
	}

	makeLooper();
	if (mFirstRingEventTime < 0) {
	mFirstRingEventTime = SystemClock.elapsedRealtime();
	mRingHandler.sendEmptyMessage(PLAY_RING_ONCE);
	} else {
	// For repeat rings, figure out by how much to delay
	// the ring so that it happens the correct amount of
	// time after the previous ring
	if (mFirstRingStartTime > 0) {
	// Delay subsequent rings by the delta between event
	// and play time of the first ring
	if (DBG) {
	log("delaying ring by " + (mFirstRingStartTime - mFirstRingEventTime));
	}
	mRingHandler.sendEmptyMessageDelayed(PLAY_RING_ONCE,
	mFirstRingStartTime - mFirstRingEventTime);
	} else {
	// We've gotten two ring events so far, but the ring
	// still hasn't started. Reset the event time to the
	// time of this event to maintain correct spacing.
	mFirstRingEventTime = SystemClock.elapsedRealtime();
	}
	}
	}
	}

	boolean shouldVibrate() {
	AudioManager audioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
	int ringerMode = audioManager.getRingerMode();
	if (CallFeaturesSetting.getVibrateWhenRinging(mContext)) {
	return ringerMode != AudioManager.RINGER_MODE_SILENT;
	} else {
	return ringerMode == AudioManager.RINGER_MODE_VIBRATE;
	}
	}

	/**
	* Stops the ringtone and/or vibrator if any of these are actually
	* ringing/vibrating.
	*/
	void stopRing() {
	synchronized (this) {
	if (DBG) log("stopRing()...");

	try {
	mPowerManager.setAttentionLight(false, 0x00000000);
	} catch (RemoteException ex) {
	// the other end of this binder call is in the system process.
	}

	if (mRingHandler != null) {
	mRingHandler.removeCallbacksAndMessages(null);
	Message msg = mRingHandler.obtainMessage(STOP_RING);
	msg.obj = mRingtone;
	mRingHandler.sendMessage(msg);
	PhoneUtils.setAudioMode();
	mRingThread = null;
	mRingHandler = null;
	mRingtone = null;
	mFirstRingEventTime = -1;
	mFirstRingStartTime = -1;
	} else {
	if (DBG) log("- stopRing: null mRingHandler!");
	}

	if (mVibratorThread != null) {
	if (DBG) log("- stopRing: cleaning up vibrator thread...");
	mContinueVibrating = false;
	mVibratorThread = null;
	}
	// Also immediately cancel any vibration in progress.
	mVibrator.cancel();
	}
	}

	private class VibratorThread extends Thread {
	public void run() {
	while (mContinueVibrating) {
	mVibrator.vibrate(VIBRATE_LENGTH);
	SystemClock.sleep(VIBRATE_LENGTH + PAUSE_LENGTH);
	}
	}
	}
	private class Worker implements Runnable {
	private final Object mLock = new Object();
	private Looper mLooper;

	Worker(String name) {
	Thread t = new Thread(null, this, name);
	t.start();
	synchronized (mLock) {
	while (mLooper == null) {
	try {
	mLock.wait();
	} catch (InterruptedException ex) {
	}
	}
	}
	}

	public Looper getLooper() {
	return mLooper;
	}

	public void run() {
	synchronized (mLock) {
	Looper.prepare();
	mLooper = Looper.myLooper();
	mLock.notifyAll();
	}
	Looper.loop();
	}

	public void quit() {
	mLooper.quit();
	}
	}

	/**
	* Sets the ringtone uri in preparation for ringtone creation
	* in makeLooper(). This uri is defaulted to the phone-wide
	* default ringtone.
	*/
	void setCustomRingtoneUri (Uri uri) {
	if (uri != null) {
	mCustomRingtoneUri = uri;
	}
	}

	private void makeLooper() {
	if (mRingThread == null) {
	mRingThread = new Worker("ringer");
	mRingHandler = new Handler(mRingThread.getLooper()) {
	@Override
	public void handleMessage(Message msg) {
	Ringtone r = null;
	switch (msg.what) {
	case PLAY_RING_ONCE:
	if (DBG) log("mRingHandler: PLAY_RING_ONCE...");
	if (mRingtone == null && !hasMessages(STOP_RING)) {
	// create the ringtone with the uri
	if (DBG) log("creating ringtone: " + mCustomRingtoneUri);
	r = RingtoneManager.getRingtone(mContext, mCustomRingtoneUri);
	synchronized (Ringer.this) {
	if (!hasMessages(STOP_RING)) {
	mRingtone = r;
	}
	}
	}
	r = mRingtone;
	if (r != null && !hasMessages(STOP_RING) && !r.isPlaying()) {
	PhoneUtils.setAudioMode();
	r.play();
	synchronized (Ringer.this) {
	if (mFirstRingStartTime < 0) {
	mFirstRingStartTime = SystemClock.elapsedRealtime();
	}
	}
	}
	break;
	case STOP_RING:
	if (DBG) log("mRingHandler: STOP_RING...");
	r = (Ringtone) msg.obj;
	if (r != null) {
	r.stop();
	} else {
	if (DBG) log("- STOP_RING with null ringtone! msg = " + msg);
	}
	getLooper().quit();
	break;
	}
	}
	};
	}
	}

	private static void log(String msg) {
	Log.d(LOG_TAG, msg);
	}
	}