| /* |
| * 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 com.android.internal.policy; |
| |
| import android.animation.RectEvaluator; |
| import android.animation.ValueAnimator; |
| import android.app.ActivityManager; |
| import android.app.IActivityManager; |
| import android.graphics.Rect; |
| import android.os.Handler; |
| import android.os.RemoteException; |
| import android.util.Log; |
| import android.view.animation.Interpolator; |
| import android.view.animation.PathInterpolator; |
| |
| /** |
| * A helper to animate the PIP. |
| */ |
| public class PipMotionHelper { |
| |
| private static final String TAG = "PipMotionHelper"; |
| |
| private static final RectEvaluator RECT_EVALUATOR = new RectEvaluator(new Rect()); |
| private static final Interpolator FAST_OUT_SLOW_IN = new PathInterpolator(0.4f, 0f, 0.2f, 1f); |
| private static final int DEFAULT_DURATION = 225; |
| |
| private IActivityManager mActivityManager; |
| private Handler mHandler; |
| |
| public PipMotionHelper(Handler handler) { |
| mHandler = handler; |
| } |
| |
| /** |
| * Moves the PIP to give given {@param bounds}. |
| */ |
| public void resizeToBounds(Rect toBounds) { |
| mHandler.post(() -> { |
| if (mActivityManager == null) { |
| mActivityManager = ActivityManager.getService(); |
| } |
| try { |
| mActivityManager.resizePinnedStack(toBounds, null /* tempPinnedTaskBounds */); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Could not move pinned stack to bounds: " + toBounds, e); |
| } |
| }); |
| } |
| |
| /** |
| * Creates an animation to move the PIP to give given {@param toBounds} with the default |
| * animation properties. |
| */ |
| public ValueAnimator createAnimationToBounds(Rect fromBounds, Rect toBounds) { |
| return createAnimationToBounds(fromBounds, toBounds, DEFAULT_DURATION, FAST_OUT_SLOW_IN, |
| null); |
| } |
| |
| /** |
| * Creates an animation to move the PIP to give given {@param toBounds}. |
| */ |
| public ValueAnimator createAnimationToBounds(Rect fromBounds, Rect toBounds, int duration, |
| Interpolator interpolator, ValueAnimator.AnimatorUpdateListener updateListener) { |
| ValueAnimator anim = ValueAnimator.ofObject(RECT_EVALUATOR, fromBounds, toBounds); |
| anim.setDuration(duration); |
| anim.setInterpolator(interpolator); |
| anim.addUpdateListener((ValueAnimator animation) -> { |
| resizeToBounds((Rect) animation.getAnimatedValue()); |
| }); |
| if (updateListener != null) { |
| anim.addUpdateListener(updateListener); |
| } |
| return anim; |
| } |
| |
| |
| } |