| /* |
| * Copyright (C) 2018 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.deviceidle; |
| |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.content.pm.PackageManager; |
| import android.os.Handler; |
| |
| import com.android.server.DeviceIdleController; |
| import com.android.server.LocalServices; |
| |
| /** |
| * Device idle constraints for television devices. |
| * |
| * <p>Televisions are devices with {@code FEATURE_LEANBACK_ONLY}. Other devices might support |
| * some kind of leanback mode but they should not follow the same rules for idle state. |
| */ |
| public class TvConstraintController implements ConstraintController { |
| private final Context mContext; |
| private final Handler mHandler; |
| private final DeviceIdleController.LocalService mDeviceIdleService; |
| |
| @Nullable |
| private final BluetoothConstraint mBluetoothConstraint; |
| |
| public TvConstraintController(Context context, Handler handler) { |
| mContext = context; |
| mHandler = handler; |
| mDeviceIdleService = LocalServices.getService(DeviceIdleController.LocalService.class); |
| |
| final PackageManager pm = context.getPackageManager(); |
| mBluetoothConstraint = pm.hasSystemFeature(PackageManager.FEATURE_BLUETOOTH) |
| ? new BluetoothConstraint(mContext, mHandler, mDeviceIdleService) |
| : null; |
| } |
| |
| @Override |
| public void start() { |
| if (mBluetoothConstraint != null) { |
| mDeviceIdleService.registerDeviceIdleConstraint( |
| mBluetoothConstraint, "bluetooth", IDeviceIdleConstraint.SENSING_OR_ABOVE); |
| } |
| } |
| |
| @Override |
| public void stop() { |
| if (mBluetoothConstraint != null) { |
| mDeviceIdleService.unregisterDeviceIdleConstraint(mBluetoothConstraint); |
| } |
| } |
| } |