| /* |
| * Copyright (C) 2021 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.systemui.statusbar.policy; |
| |
| import android.content.Context; |
| import android.hardware.devicestate.DeviceStateManager; |
| import android.util.SparseIntArray; |
| |
| import androidx.annotation.NonNull; |
| |
| import com.android.internal.R; |
| import com.android.systemui.dagger.SysUISingleton; |
| import com.android.systemui.dagger.qualifiers.Main; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.Executor; |
| |
| import javax.inject.Inject; |
| |
| /** Implementation of {@link DevicePostureController} using the DeviceStateManager. */ |
| @SysUISingleton |
| public class DevicePostureControllerImpl implements DevicePostureController { |
| private final List<Callback> mListeners = new ArrayList<>(); |
| private int mCurrentDevicePosture = DEVICE_POSTURE_UNKNOWN; |
| |
| private final SparseIntArray mDeviceStateToPostureMap = new SparseIntArray(); |
| |
| @Inject |
| public DevicePostureControllerImpl( |
| Context context, DeviceStateManager deviceStateManager, @Main Executor executor) { |
| // Most of this is borrowed from WindowManager/Jetpack/DeviceStateManagerPostureProducer. |
| // Using the sidecar/extension libraries directly brings in a new dependency that it'd be |
| // good to avoid (along with the fact that sidecar is deprecated, and extensions isn't fully |
| // ready yet), and we'd have to make our own layer over the sidecar library anyway to easily |
| // allow the implementation to change, so it was easier to just interface with |
| // DeviceStateManager directly. |
| String[] deviceStatePosturePairs = context.getResources() |
| .getStringArray(R.array.config_device_state_postures); |
| for (String deviceStatePosturePair : deviceStatePosturePairs) { |
| String[] deviceStatePostureMapping = deviceStatePosturePair.split(":"); |
| if (deviceStatePostureMapping.length != 2) { |
| continue; |
| } |
| |
| int deviceState; |
| int posture; |
| try { |
| deviceState = Integer.parseInt(deviceStatePostureMapping[0]); |
| posture = Integer.parseInt(deviceStatePostureMapping[1]); |
| } catch (NumberFormatException e) { |
| continue; |
| } |
| |
| mDeviceStateToPostureMap.put(deviceState, posture); |
| } |
| |
| deviceStateManager.registerCallback(executor, state -> { |
| mCurrentDevicePosture = |
| mDeviceStateToPostureMap.get(state, DEVICE_POSTURE_UNKNOWN); |
| |
| mListeners.forEach(l -> l.onPostureChanged(mCurrentDevicePosture)); |
| }); |
| } |
| |
| @Override |
| public void addCallback(@NonNull Callback listener) { |
| mListeners.add(listener); |
| } |
| |
| @Override |
| public void removeCallback(@NonNull Callback listener) { |
| mListeners.remove(listener); |
| } |
| |
| @Override |
| public int getDevicePosture() { |
| return mCurrentDevicePosture; |
| } |
| } |