| /* |
| * 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; |
| } |
| |
| @Override |
| public boolean hasAmplitudeControl() { |
| if (mService == null) { |
| Log.w(TAG, "Failed to check amplitude control; no vibrator service."); |
| return false; |
| } |
| try { |
| return mService.hasAmplitudeControl(); |
| } catch (RemoteException e) { |
| } |
| return false; |
| } |
| |
| @Override |
| public void vibrate(int uid, String opPkg, VibrationEffect effect, |
| String reason, AudioAttributes attributes) { |
| if (mService == null) { |
| Log.w(TAG, "Failed to vibrate; no vibrator service."); |
| return; |
| } |
| try { |
| mService.vibrate(uid, opPkg, effect, usageForAttributes(attributes), reason, mToken); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed to vibrate.", e); |
| } |
| } |
| |
| 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); |
| } |
| } |
| } |