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/*
* 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 android.view;
import static android.view.InsetsAnimationControlImplProto.CURRENT_ALPHA;
import static android.view.InsetsAnimationControlImplProto.IS_CANCELLED;
import static android.view.InsetsAnimationControlImplProto.IS_FINISHED;
import static android.view.InsetsAnimationControlImplProto.PENDING_ALPHA;
import static android.view.InsetsAnimationControlImplProto.PENDING_FRACTION;
import static android.view.InsetsAnimationControlImplProto.PENDING_INSETS;
import static android.view.InsetsAnimationControlImplProto.SHOWN_ON_FINISH;
import static android.view.InsetsAnimationControlImplProto.TMP_MATRIX;
import static android.view.InsetsController.ANIMATION_TYPE_RESIZE;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ValueAnimator;
import android.graphics.Insets;
import android.graphics.Rect;
import android.util.SparseArray;
import android.util.proto.ProtoOutputStream;
import android.view.InsetsState.InternalInsetsType;
import android.view.WindowInsets.Type.InsetsType;
import android.view.WindowInsetsAnimation.Bounds;
import android.view.animation.Interpolator;
/**
* Runs a fake animation of resizing insets to produce insets animation callbacks.
* @hide
*/
public class InsetsResizeAnimationRunner implements InsetsAnimationControlRunner,
InternalInsetsAnimationController, WindowInsetsAnimationControlListener {
private final InsetsState mFromState;
private final InsetsState mToState;
private final @InsetsType int mTypes;
private final WindowInsetsAnimation mAnimation;
private final InsetsAnimationControlCallbacks mController;
private ValueAnimator mAnimator;
private boolean mCancelled;
private boolean mFinished;
public InsetsResizeAnimationRunner(Rect frame, InsetsState fromState, InsetsState toState,
Interpolator interpolator, long duration, @InsetsType int types,
InsetsAnimationControlCallbacks controller) {
mFromState = fromState;
mToState = toState;
mTypes = types;
mController = controller;
mAnimation = new WindowInsetsAnimation(types, interpolator, duration);
mAnimation.setAlpha(1f);
final Insets fromInsets = fromState.calculateInsets(
frame, types, false /* ignoreVisibility */);
final Insets toInsets = toState.calculateInsets(
frame, types, false /* ignoreVisibility */);
controller.startAnimation(this, this, types, mAnimation,
new Bounds(Insets.min(fromInsets, toInsets), Insets.max(fromInsets, toInsets)));
}
@Override
public int getTypes() {
return mTypes;
}
@Override
public int getControllingTypes() {
return mTypes;
}
@Override
public WindowInsetsAnimation getAnimation() {
return mAnimation;
}
@Override
public int getAnimationType() {
return ANIMATION_TYPE_RESIZE;
}
@Override
public void cancel() {
if (mCancelled || mFinished) {
return;
}
mCancelled = true;
if (mAnimator != null) {
mAnimator.cancel();
}
}
@Override
public boolean isCancelled() {
return mCancelled;
}
@Override
public void onReady(WindowInsetsAnimationController controller, int types) {
if (mCancelled) {
return;
}
mAnimator = ValueAnimator.ofFloat(0f, 1f);
mAnimator.setDuration(mAnimation.getDurationMillis());
mAnimator.addUpdateListener(animation -> {
mAnimation.setFraction(animation.getAnimatedFraction());
mController.scheduleApplyChangeInsets(InsetsResizeAnimationRunner.this);
});
mAnimator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
mFinished = true;
mController.scheduleApplyChangeInsets(InsetsResizeAnimationRunner.this);
}
});
mAnimator.start();
}
@Override
public boolean applyChangeInsets(InsetsState outState) {
if (mCancelled) {
return false;
}
final float fraction = mAnimation.getInterpolatedFraction();
for (@InternalInsetsType int type = 0; type < InsetsState.SIZE; type++) {
final InsetsSource fromSource = mFromState.peekSource(type);
final InsetsSource toSource = mToState.peekSource(type);
if (fromSource == null || toSource == null) {
continue;
}
final Rect fromFrame = fromSource.getFrame();
final Rect toFrame = toSource.getFrame();
final Rect frame = new Rect(
(int) (fromFrame.left + fraction * (toFrame.left - fromFrame.left)),
(int) (fromFrame.top + fraction * (toFrame.top - fromFrame.top)),
(int) (fromFrame.right + fraction * (toFrame.right - fromFrame.right)),
(int) (fromFrame.bottom + fraction * (toFrame.bottom - fromFrame.bottom)));
final InsetsSource source = new InsetsSource(type);
source.setFrame(frame);
source.setVisible(toSource.isVisible());
outState.addSource(source);
}
if (mFinished) {
mController.notifyFinished(this, true /* shown */);
}
return mFinished;
}
@Override
public void dumpDebug(ProtoOutputStream proto, long fieldId) {
final long token = proto.start(fieldId);
proto.write(IS_CANCELLED, mCancelled);
proto.write(IS_FINISHED, mFinished);
proto.write(TMP_MATRIX, "null");
proto.write(PENDING_INSETS, "null");
proto.write(PENDING_FRACTION, mAnimation.getInterpolatedFraction());
proto.write(SHOWN_ON_FINISH, true);
proto.write(CURRENT_ALPHA, 1f);
proto.write(PENDING_ALPHA, 1f);
proto.end(token);
}
@Override
public Insets getHiddenStateInsets() {
return Insets.NONE;
}
@Override
public Insets getShownStateInsets() {
return Insets.NONE;
}
@Override
public Insets getCurrentInsets() {
return Insets.NONE;
}
@Override
public float getCurrentFraction() {
return 0;
}
@Override
public float getCurrentAlpha() {
return 0;
}
@Override
public void setInsetsAndAlpha(Insets insets, float alpha, float fraction) {
}
@Override
public void finish(boolean shown) {
}
@Override
public boolean isFinished() {
return false;
}
@Override
public void notifyControlRevoked(int types) {
}
@Override
public void updateSurfacePosition(SparseArray<InsetsSourceControl> controls) {
}
@Override
public boolean hasZeroInsetsIme() {
return false;
}
@Override
public void setReadyDispatched(boolean dispatched) {
}
@Override
public void onFinished(WindowInsetsAnimationController controller) {
}
@Override
public void onCancelled(WindowInsetsAnimationController controller) {
}
}
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