| /** |
| * Copyright (c) 2016, 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 android.view; |
| |
| import android.content.ComponentName; |
| import android.content.pm.ParceledListSlice; |
| import android.graphics.Rect; |
| import android.view.DisplayInfo; |
| import android.view.IPinnedStackController; |
| |
| /** |
| * Listener for changes to the pinned stack made by the WindowManager. |
| * |
| * @hide |
| */ |
| oneway interface IPinnedStackListener { |
| |
| /** |
| * Called when the listener is registered and provides an interface to call back to the pinned |
| * stack controller to update the controller of the pinned stack state. |
| */ |
| void onListenerRegistered(IPinnedStackController controller); |
| |
| /** |
| * Called when the window manager has detected a change that would cause the movement bounds |
| * to be changed (ie. after configuration change, aspect ratio change, etc). It then provides |
| * the components that allow the listener to calculate the movement bounds itself. |
| * The {@param animatingBounds} are provided to indicate the current target bounds of the |
| * pinned stack (the final bounds if animating, the current bounds if not), |
| * which may be helpful in calculating dependent animation bounds. |
| */ |
| void onMovementBoundsChanged(in Rect animatingBounds, boolean fromImeAdjustment, |
| boolean fromShelfAdjustment); |
| |
| /** |
| * Called when window manager decides to adjust the pinned stack bounds because of the IME, or |
| * when the listener is first registered to allow the listener to synchronized its state with |
| * the controller. This call will always be followed by a onMovementBoundsChanged() call |
| * with fromImeAdjustement set to {@code true}. |
| */ |
| void onImeVisibilityChanged(boolean imeVisible, int imeHeight); |
| |
| /** |
| * Called when window manager decides to adjust the minimized state, or when the listener |
| * is first registered to allow the listener to synchronized its state with the controller. |
| */ |
| void onMinimizedStateChanged(boolean isMinimized); |
| |
| /** |
| * Called when the set of actions for the current PiP activity changes, or when the listener |
| * is first registered to allow the listener to synchronized its state with the controller. |
| */ |
| void onActionsChanged(in ParceledListSlice actions); |
| |
| /** |
| * Called by the window manager to notify the listener to save the reentry fraction, |
| * typically when an Activity leaves PiP (picture-in-picture) mode to fullscreen. |
| * {@param componentName} represents the application component of PiP window |
| * while {@param bounds} is the current PiP bounds used to calculate the |
| * reentry snap fraction. |
| */ |
| void onSaveReentrySnapFraction(in ComponentName componentName, in Rect bounds); |
| |
| /** |
| * Called by the window manager to notify the listener to reset saved reentry fraction, |
| * typically when an Activity enters PiP (picture-in-picture) mode from fullscreen. |
| * {@param componentName} represents the application component of PiP window. |
| */ |
| void onResetReentrySnapFraction(in ComponentName componentName); |
| |
| /** |
| * Called when the window manager has detected change on DisplayInfo, or |
| * when the listener is first registered to allow the listener to synchronized its state with |
| * the controller. |
| */ |
| void onDisplayInfoChanged(in DisplayInfo displayInfo); |
| |
| /** |
| * Called by the window manager at the beginning of a configuration update cascade |
| * since the metrics from these resources are used for bounds calculations. |
| */ |
| void onConfigurationChanged(); |
| |
| /** |
| * Called by the window manager when the aspect ratio is reset. |
| */ |
| void onAspectRatioChanged(float aspectRatio); |
| |
| /** |
| * Called by the window manager to notify the listener to prepare for PiP animation. |
| * Internally, the target bounds would be calculated from the given {@param aspectRatio} |
| * and {@param bounds}, the saved reentry snap fraction also contributes. |
| * Caller would wait for a IPinnedStackController#startAnimation callback to actually |
| * start the animation, see details in IPinnedStackController. |
| */ |
| void onPrepareAnimation(in Rect sourceRectHint, float aspectRatio, in Rect bounds); |
| } |