| /* |
| * Copyright (C) 2014 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.server.telecom; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import android.telecom.Log; |
| |
| /** |
| * Handles acquisition and release of wake locks relating to call state. |
| */ |
| @VisibleForTesting |
| public class InCallWakeLockController extends CallsManagerListenerBase { |
| |
| private final TelecomWakeLock mTelecomWakeLock; |
| private final CallsManager mCallsManager; |
| |
| @VisibleForTesting |
| public InCallWakeLockController(TelecomWakeLock telecomWakeLock, CallsManager callsManager) { |
| mCallsManager = callsManager; |
| |
| mTelecomWakeLock = telecomWakeLock; |
| mTelecomWakeLock.setReferenceCounted(false); |
| } |
| |
| @Override |
| public void onCallAdded(Call call) { |
| if (call.isExternalCall()) { |
| return; |
| } |
| handleWakeLock(); |
| } |
| |
| @Override |
| public void onCallRemoved(Call call) { |
| if (call.isExternalCall()) { |
| return; |
| } |
| handleWakeLock(); |
| } |
| |
| @Override |
| public void onCallStateChanged(Call call, int oldState, int newState) { |
| if (call.isExternalCall()) { |
| return; |
| } |
| handleWakeLock(); |
| } |
| |
| private void handleWakeLock() { |
| // We grab a full lock as long as there exists a ringing call. |
| Call ringingCall = mCallsManager.getRingingCall(); |
| if (ringingCall != null) { |
| mTelecomWakeLock.acquire(); |
| Log.i(this, "Acquiring full wake lock"); |
| } else { |
| mTelecomWakeLock.release(0); |
| Log.i(this, "Releasing full wake lock"); |
| } |
| } |
| } |