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/*
* Copyright (C) 2017 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.wm;
import android.graphics.Rect;
/**
* The target for a BoundsAnimation.
* @see BoundsAnimationController
*/
interface BoundsAnimationTarget {
/**
* Callback for the target to inform it that the animation has started, so it can do some
* necessary preparation.
*
* @param schedulePipModeChangedCallback whether or not to schedule the PiP mode changed
* callbacks
*/
void onAnimationStart(boolean schedulePipModeChangedCallback, boolean forceUpdate);
/**
* Sets the size of the target (without any intermediate steps, like scheduling animation)
* but freezes the bounds of any tasks in the target at taskBounds, to allow for more
* flexibility during resizing. Only works for the pinned stack at the moment. This will
* only be called between onAnimationStart() and onAnimationEnd().
*
* @return Whether the target should continue to be animated and this call was successful.
* If false, the animation will be cancelled because the user has determined that the
* animation is now invalid and not required. In such a case, the cancel will trigger the
* animation end callback as well, but will not send any further size changes.
*/
boolean setPinnedStackSize(Rect stackBounds, Rect taskBounds);
/**
* Callback for the target to inform it that the animation has ended, so it can do some
* necessary cleanup.
*
* @param schedulePipModeChangedCallback whether or not to schedule the PiP mode changed
* callbacks
* @param finalStackSize the final stack bounds to set on the target (can be to indicate that
* the animation was cancelled and the target does not need to update to the final stack bounds)
* @param moveToFullscreen whether or the target should reparent itself to the fullscreen stack
* when the animation completes
*/
void onAnimationEnd(boolean schedulePipModeChangedCallback, Rect finalStackSize,
boolean moveToFullscreen);
}
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