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/*
* Copyright (C) 2012 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 android.os;
import android.content.Context;
import android.media.AudioAttributes;
import android.util.Log;
/**
* Vibrator implementation that controls the main system vibrator.
*
* @hide
*/
public class SystemVibrator extends Vibrator {
private static final String TAG = "Vibrator";
private final IVibratorService mService;
private final Binder mToken = new Binder();
public SystemVibrator() {
mService = IVibratorService.Stub.asInterface(
ServiceManager.getService("vibrator"));
}
public SystemVibrator(Context context) {
super(context);
mService = IVibratorService.Stub.asInterface(
ServiceManager.getService("vibrator"));
}
@Override
public boolean hasVibrator() {
if (mService == null) {
Log.w(TAG, "Failed to vibrate; no vibrator service.");
return false;
}
try {
return mService.hasVibrator();
} catch (RemoteException e) {
}
return false;
}
/**
* @hide
*/
@Override
public void vibrate(int uid, String opPkg, long milliseconds, AudioAttributes attributes) {
if (mService == null) {
Log.w(TAG, "Failed to vibrate; no vibrator service.");
return;
}
try {
mService.vibrate(uid, opPkg, milliseconds, usageForAttributes(attributes), mToken);
} catch (RemoteException e) {
Log.w(TAG, "Failed to vibrate.", e);
}
}
/**
* @hide
*/
@Override
public void vibrate(int uid, String opPkg, long[] pattern, int repeat,
AudioAttributes attributes) {
if (mService == null) {
Log.w(TAG, "Failed to vibrate; no vibrator service.");
return;
}
// catch this here because the server will do nothing. pattern may
// not be null, let that be checked, because the server will drop it
// anyway
if (repeat < pattern.length) {
try {
mService.vibratePattern(uid, opPkg, pattern, repeat, usageForAttributes(attributes),
mToken);
} catch (RemoteException e) {
Log.w(TAG, "Failed to vibrate.", e);
}
} else {
throw new ArrayIndexOutOfBoundsException();
}
}
private static int usageForAttributes(AudioAttributes attributes) {
return attributes != null ? attributes.getUsage() : AudioAttributes.USAGE_UNKNOWN;
}
@Override
public void cancel() {
if (mService == null) {
return;
}
try {
mService.cancelVibrate(mToken);
} catch (RemoteException e) {
Log.w(TAG, "Failed to cancel vibration.", e);
}
}
}
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