| /* |
| * 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 android.content.Context; |
| import android.os.PowerManager; |
| import android.telecom.Log; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| /** |
| * This class manages the proximity sensor and allows callers to turn it on and off. |
| */ |
| public class ProximitySensorManager extends CallsManagerListenerBase { |
| |
| private final CallsManager mCallsManager; |
| private final TelecomWakeLock mTelecomWakeLock; |
| |
| public ProximitySensorManager(TelecomWakeLock telecomWakeLock, CallsManager callsManager) { |
| |
| mTelecomWakeLock = telecomWakeLock; |
| mCallsManager = callsManager; |
| Log.d(this, "onCreate: mProximityWakeLock: ", mTelecomWakeLock); |
| } |
| |
| @Override |
| public void onCallRemoved(Call call) { |
| if (call.isExternalCall()) { |
| return; |
| } |
| if (mCallsManager.getCalls().isEmpty()) { |
| Log.i(this, "All calls removed, resetting proximity sensor to default state"); |
| turnOff(true); |
| } |
| super.onCallRemoved(call); |
| } |
| |
| /** |
| * Turn the proximity sensor on. |
| */ |
| @VisibleForTesting |
| public void turnOn() { |
| if (mCallsManager.getCalls().isEmpty()) { |
| Log.w(this, "Asking to turn on prox sensor without a call? I don't think so."); |
| return; |
| } |
| |
| mTelecomWakeLock.acquire(); |
| } |
| |
| /** |
| * Turn the proximity sensor off. |
| * @param screenOnImmediately |
| */ |
| @VisibleForTesting |
| public void turnOff(boolean screenOnImmediately) { |
| int flags = (screenOnImmediately ? 0 : PowerManager.RELEASE_FLAG_WAIT_FOR_NO_PROXIMITY); |
| mTelecomWakeLock.release(flags); |
| } |
| } |