| /* |
| * 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 androidx.window.extensions; |
| |
| 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.content.Context; |
| import android.graphics.Rect; |
| import android.util.Log; |
| |
| import androidx.annotation.NonNull; |
| import androidx.window.common.DeviceStateManagerPostureProducer; |
| import androidx.window.common.DisplayFeature; |
| import androidx.window.common.ResourceConfigDisplayFeatureProducer; |
| import androidx.window.common.SettingsDevicePostureProducer; |
| import androidx.window.common.SettingsDisplayFeatureProducer; |
| import androidx.window.util.DataProducer; |
| import androidx.window.util.PriorityDataProducer; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Optional; |
| |
| /** |
| * Reference implementation of androidx.window.extensions OEM interface for use with |
| * WindowManager Jetpack. |
| * |
| * NOTE: This version is a work in progress and under active development. It MUST NOT be used in |
| * production builds since the interface can still change before reaching stable version. |
| * Please refer to {@link androidx.window.sidecar.SampleSidecarImpl} instead. |
| */ |
| class SampleExtensionImpl extends StubExtension { |
| private static final String TAG = "SampleExtension"; |
| |
| private final SettingsDevicePostureProducer mSettingsDevicePostureProducer; |
| private final DataProducer<Integer> mDevicePostureProducer; |
| |
| private final SettingsDisplayFeatureProducer mSettingsDisplayFeatureProducer; |
| private final DataProducer<List<DisplayFeature>> mDisplayFeatureProducer; |
| |
| SampleExtensionImpl(Context context) { |
| mSettingsDevicePostureProducer = new SettingsDevicePostureProducer(context); |
| mDevicePostureProducer = new PriorityDataProducer<>(List.of( |
| mSettingsDevicePostureProducer, |
| new DeviceStateManagerPostureProducer(context) |
| )); |
| |
| mSettingsDisplayFeatureProducer = new SettingsDisplayFeatureProducer(context); |
| mDisplayFeatureProducer = new PriorityDataProducer<>(List.of( |
| mSettingsDisplayFeatureProducer, |
| new ResourceConfigDisplayFeatureProducer(context) |
| )); |
| |
| mDevicePostureProducer.addDataChangedCallback(this::onDisplayFeaturesChanged); |
| mDisplayFeatureProducer.addDataChangedCallback(this::onDisplayFeaturesChanged); |
| } |
| |
| private int getFeatureState(DisplayFeature feature) { |
| Integer featureState = feature.getState(); |
| Optional<Integer> posture = mDevicePostureProducer.getData(); |
| int fallbackPosture = posture.orElse(ExtensionFoldingFeature.STATE_FLAT); |
| return featureState == null ? fallbackPosture : featureState; |
| } |
| |
| private void onDisplayFeaturesChanged() { |
| for (Activity activity : getActivitiesListeningForLayoutChanges()) { |
| ExtensionWindowLayoutInfo newLayout = getWindowLayoutInfo(activity); |
| updateWindowLayout(activity, newLayout); |
| } |
| } |
| |
| @NonNull |
| private ExtensionWindowLayoutInfo getWindowLayoutInfo(@NonNull Activity activity) { |
| List<ExtensionDisplayFeature> displayFeatures = getDisplayFeatures(activity); |
| return new ExtensionWindowLayoutInfo(displayFeatures); |
| } |
| |
| private List<ExtensionDisplayFeature> getDisplayFeatures(@NonNull Activity activity) { |
| List<ExtensionDisplayFeature> features = new ArrayList<>(); |
| int displayId = activity.getDisplay().getDisplayId(); |
| if (displayId != DEFAULT_DISPLAY) { |
| Log.w(TAG, "This sample doesn't support display features on secondary displays"); |
| return features; |
| } |
| |
| 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 features; |
| } |
| |
| Optional<List<DisplayFeature>> storedFeatures = mDisplayFeatureProducer.getData(); |
| if (storedFeatures.isPresent()) { |
| |
| for (DisplayFeature baseFeature : storedFeatures.get()) { |
| Rect featureRect = baseFeature.getRect(); |
| rotateRectToDisplayRotation(displayId, featureRect); |
| transformToWindowSpaceRect(activity, featureRect); |
| |
| features.add(new ExtensionFoldingFeature(featureRect, baseFeature.getType(), |
| getFeatureState(baseFeature))); |
| } |
| } |
| return features; |
| } |
| |
| @Override |
| protected void onListenersChanged() { |
| if (hasListeners()) { |
| mSettingsDevicePostureProducer.registerObserversIfNeeded(); |
| mSettingsDisplayFeatureProducer.registerObserversIfNeeded(); |
| } else { |
| mSettingsDevicePostureProducer.unregisterObserversIfNeeded(); |
| mSettingsDisplayFeatureProducer.unregisterObserversIfNeeded(); |
| } |
| |
| onDisplayFeaturesChanged(); |
| } |
| } |