| /* |
| * 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.annotation.CallbackExecutor; |
| import android.annotation.NonNull; |
| import android.compat.annotation.UnsupportedAppUsage; |
| import android.content.Context; |
| import android.media.AudioAttributes; |
| import android.os.IVibratorStateListener; |
| import android.util.ArrayMap; |
| import android.util.Log; |
| import com.android.internal.annotations.GuardedBy; |
| import java.util.concurrent.Executor; |
| import java.util.Objects; |
| |
| /** |
| * 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(); |
| private final Context mContext; |
| |
| @GuardedBy("mDelegates") |
| private final ArrayMap<OnVibratorStateChangedListener, |
| OnVibratorStateChangedListenerDelegate> mDelegates = new ArrayMap<>(); |
| |
| @UnsupportedAppUsage |
| public SystemVibrator() { |
| mContext = null; |
| mService = IVibratorService.Stub.asInterface(ServiceManager.getService("vibrator")); |
| } |
| |
| @UnsupportedAppUsage |
| public SystemVibrator(Context context) { |
| super(context); |
| mContext = 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; |
| } |
| |
| /** |
| * Check whether the vibrator is vibrating. |
| * |
| * @return True if the hardware is vibrating, otherwise false. |
| */ |
| @Override |
| public boolean isVibrating() { |
| if (mService == null) { |
| Log.w(TAG, "Failed to vibrate; no vibrator service."); |
| return false; |
| } |
| try { |
| return mService.isVibrating(); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| return false; |
| } |
| |
| private class OnVibratorStateChangedListenerDelegate extends |
| IVibratorStateListener.Stub { |
| private final Executor mExecutor; |
| private final OnVibratorStateChangedListener mListener; |
| |
| OnVibratorStateChangedListenerDelegate(@NonNull OnVibratorStateChangedListener listener, |
| @NonNull Executor executor) { |
| mExecutor = executor; |
| mListener = listener; |
| } |
| |
| @Override |
| public void onVibrating(boolean isVibrating) { |
| mExecutor.execute(() -> mListener.onVibratorStateChanged(isVibrating)); |
| } |
| } |
| |
| /** |
| * Adds a listener for vibrator state change. If the listener was previously added and not |
| * removed, this call will be ignored. |
| * |
| * @param listener Listener to be added. |
| * @param executor The {@link Executor} on which the listener's callbacks will be executed on. |
| */ |
| @Override |
| public void addVibratorStateListener( |
| @NonNull @CallbackExecutor Executor executor, |
| @NonNull OnVibratorStateChangedListener listener) { |
| Objects.requireNonNull(listener); |
| Objects.requireNonNull(executor); |
| if (mService == null) { |
| Log.w(TAG, "Failed to add vibrate state listener; no vibrator service."); |
| return; |
| } |
| |
| synchronized (mDelegates) { |
| // If listener is already registered, reject and return. |
| if (mDelegates.containsKey(listener)) { |
| Log.w(TAG, "Listener already registered."); |
| return; |
| } |
| try { |
| final OnVibratorStateChangedListenerDelegate delegate = |
| new OnVibratorStateChangedListenerDelegate(listener, executor); |
| if (!mService.registerVibratorStateListener(delegate)) { |
| Log.w(TAG, "Failed to register vibrate state listener"); |
| return; |
| } |
| mDelegates.put(listener, delegate); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| |
| /** |
| * Adds a listener for vibrator state changes. Callbacks will be executed on the main thread. |
| * If the listener was previously added and not removed, this call will be ignored. |
| * |
| * @param listener listener to be added |
| */ |
| @Override |
| public void addVibratorStateListener(@NonNull OnVibratorStateChangedListener listener) { |
| Objects.requireNonNull(listener); |
| if (mContext == null) { |
| Log.w(TAG, "Failed to add vibrate state listener; no vibrator context."); |
| return; |
| } |
| addVibratorStateListener(mContext.getMainExecutor(), listener); |
| } |
| |
| /** |
| * Removes the listener for vibrator state changes. If the listener was not previously |
| * registered, this call will do nothing. |
| * |
| * @param listener Listener to be removed. |
| */ |
| @Override |
| public void removeVibratorStateListener(@NonNull OnVibratorStateChangedListener listener) { |
| Objects.requireNonNull(listener); |
| if (mService == null) { |
| Log.w(TAG, "Failed to remove vibrate state listener; no vibrator service."); |
| return; |
| } |
| synchronized (mDelegates) { |
| // Check if the listener is registered, otherwise will return. |
| if (mDelegates.containsKey(listener)) { |
| final OnVibratorStateChangedListenerDelegate delegate = mDelegates.get(listener); |
| try { |
| if (!mService.unregisterVibratorStateListener(delegate)) { |
| Log.w(TAG, "Failed to unregister vibrate state listener"); |
| return; |
| } |
| mDelegates.remove(listener); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| } |
| |
| @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 boolean setAlwaysOnEffect(int uid, String opPkg, int alwaysOnId, VibrationEffect effect, |
| AudioAttributes attributes) { |
| if (mService == null) { |
| Log.w(TAG, "Failed to set always-on effect; no vibrator service."); |
| return false; |
| } |
| try { |
| VibrationAttributes atr = new VibrationAttributes.Builder(attributes, effect).build(); |
| return mService.setAlwaysOnEffect(uid, opPkg, alwaysOnId, effect, atr); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed to set always-on effect.", 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 { |
| if (attributes == null) { |
| attributes = new AudioAttributes.Builder().build(); |
| } |
| VibrationAttributes atr = new VibrationAttributes.Builder(attributes, effect).build(); |
| mService.vibrate(uid, opPkg, effect, atr, reason, mToken); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed to vibrate.", e); |
| } |
| } |
| |
| @Override |
| public boolean[] areEffectsSupported(@VibrationEffect.EffectType int... effectIds) { |
| try { |
| return mService.areEffectsSupported(effectIds); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed to query effect support"); |
| } |
| return new boolean[effectIds.length]; |
| } |
| |
| @Override |
| public boolean[] arePrimitivesSupported( |
| @NonNull @VibrationEffect.Composition.Primitive int... primitiveIds) { |
| try { |
| return mService.arePrimitivesSupported(primitiveIds); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed to query effect support"); |
| } |
| return new boolean[primitiveIds.length]; |
| } |
| |
| |
| @Override |
| public void cancel() { |
| if (mService == null) { |
| return; |
| } |
| try { |
| mService.cancelVibrate(mToken); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed to cancel vibration.", e); |
| } |
| } |
| } |