| /* |
| * Copyright (C) 2020 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 androidx.window.sidecar; |
| |
| import static android.view.Display.DEFAULT_DISPLAY; |
| |
| import static androidx.window.util.ExtensionHelper.rotateRectToDisplayRotation; |
| import static androidx.window.util.ExtensionHelper.transformToWindowSpaceRect; |
| |
| import android.app.Activity; |
| import android.app.ActivityThread; |
| import android.app.Application; |
| import android.content.Context; |
| import android.graphics.Rect; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| |
| import androidx.annotation.NonNull; |
| import androidx.window.common.CommonFoldingFeature; |
| import androidx.window.common.DeviceStateManagerFoldingFeatureProducer; |
| import androidx.window.common.EmptyLifecycleCallbacksAdapter; |
| import androidx.window.common.RawFoldingFeatureProducer; |
| import androidx.window.util.BaseDataProducer; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * Reference implementation of androidx.window.sidecar OEM interface for use with |
| * WindowManager Jetpack. |
| */ |
| class SampleSidecarImpl extends StubSidecar { |
| private List<CommonFoldingFeature> mStoredFeatures = new ArrayList<>(); |
| |
| SampleSidecarImpl(Context context) { |
| ((Application) context.getApplicationContext()) |
| .registerActivityLifecycleCallbacks(new NotifyOnConfigurationChanged()); |
| BaseDataProducer<String> settingsFeatureProducer = new RawFoldingFeatureProducer(context); |
| BaseDataProducer<List<CommonFoldingFeature>> foldingFeatureProducer = |
| new DeviceStateManagerFoldingFeatureProducer(context, |
| settingsFeatureProducer); |
| |
| foldingFeatureProducer.addDataChangedCallback(this::onDisplayFeaturesChanged); |
| } |
| |
| private void setStoredFeatures(List<CommonFoldingFeature> storedFeatures) { |
| mStoredFeatures = storedFeatures; |
| } |
| |
| private void onDisplayFeaturesChanged(List<CommonFoldingFeature> storedFeatures) { |
| setStoredFeatures(storedFeatures); |
| updateDeviceState(getDeviceState()); |
| for (IBinder windowToken : getWindowsListeningForLayoutChanges()) { |
| SidecarWindowLayoutInfo newLayout = getWindowLayoutInfo(windowToken); |
| updateWindowLayout(windowToken, newLayout); |
| } |
| } |
| |
| @NonNull |
| @Override |
| public SidecarDeviceState getDeviceState() { |
| SidecarDeviceState deviceState = new SidecarDeviceState(); |
| deviceState.posture = deviceStateFromFeature(); |
| return deviceState; |
| } |
| |
| private int deviceStateFromFeature() { |
| for (int i = 0; i < mStoredFeatures.size(); i++) { |
| CommonFoldingFeature feature = mStoredFeatures.get(i); |
| final int state = feature.getState(); |
| switch (state) { |
| case CommonFoldingFeature.COMMON_STATE_FLAT: |
| return SidecarDeviceState.POSTURE_OPENED; |
| case CommonFoldingFeature.COMMON_STATE_HALF_OPENED: |
| return SidecarDeviceState.POSTURE_HALF_OPENED; |
| case CommonFoldingFeature.COMMON_STATE_UNKNOWN: |
| return SidecarDeviceState.POSTURE_UNKNOWN; |
| } |
| } |
| return SidecarDeviceState.POSTURE_UNKNOWN; |
| } |
| |
| @NonNull |
| @Override |
| public SidecarWindowLayoutInfo getWindowLayoutInfo(@NonNull IBinder windowToken) { |
| Activity activity = ActivityThread.currentActivityThread().getActivity(windowToken); |
| SidecarWindowLayoutInfo windowLayoutInfo = new SidecarWindowLayoutInfo(); |
| if (activity == null) { |
| return windowLayoutInfo; |
| } |
| windowLayoutInfo.displayFeatures = getDisplayFeatures(activity); |
| return windowLayoutInfo; |
| } |
| |
| private List<SidecarDisplayFeature> getDisplayFeatures(@NonNull Activity activity) { |
| int displayId = activity.getDisplay().getDisplayId(); |
| if (displayId != DEFAULT_DISPLAY) { |
| return Collections.emptyList(); |
| } |
| |
| if (activity.isInMultiWindowMode()) { |
| // It is recommended not to report any display features in multi-window mode, since it |
| // won't be possible to synchronize the display feature positions with window movement. |
| return Collections.emptyList(); |
| } |
| |
| List<SidecarDisplayFeature> features = new ArrayList<>(); |
| for (CommonFoldingFeature baseFeature : mStoredFeatures) { |
| SidecarDisplayFeature feature = new SidecarDisplayFeature(); |
| Rect featureRect = baseFeature.getRect(); |
| rotateRectToDisplayRotation(displayId, featureRect); |
| transformToWindowSpaceRect(activity, featureRect); |
| feature.setRect(featureRect); |
| feature.setType(baseFeature.getType()); |
| features.add(feature); |
| } |
| return Collections.unmodifiableList(features); |
| } |
| |
| @Override |
| protected void onListenersChanged() { |
| if (hasListeners()) { |
| onDisplayFeaturesChanged(mStoredFeatures); |
| } |
| } |
| |
| private final class NotifyOnConfigurationChanged extends EmptyLifecycleCallbacksAdapter { |
| @Override |
| public void onActivityCreated(Activity activity, Bundle savedInstanceState) { |
| super.onActivityCreated(activity, savedInstanceState); |
| onDisplayFeaturesChangedForActivity(activity); |
| } |
| |
| @Override |
| public void onActivityConfigurationChanged(Activity activity) { |
| super.onActivityConfigurationChanged(activity); |
| onDisplayFeaturesChangedForActivity(activity); |
| } |
| |
| private void onDisplayFeaturesChangedForActivity(@NonNull Activity activity) { |
| IBinder token = activity.getWindow().getAttributes().token; |
| if (token == null || mWindowLayoutChangeListenerTokens.contains(token)) { |
| onDisplayFeaturesChanged(mStoredFeatures); |
| } |
| } |
| } |
| } |