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/*
* Copyright (C) 2018 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.systemui.statusbar.notification;
import android.util.Pools;
import android.view.View;
import com.android.internal.widget.MessagingImageMessage;
import com.android.systemui.R;
import com.android.systemui.statusbar.ViewTransformationHelper;
/**
* A transform state of a image view.
*/
public class MessagingImageTransformState extends ImageTransformState {
private static Pools.SimplePool<MessagingImageTransformState> sInstancePool
= new Pools.SimplePool<>(40);
private static final int START_ACTUAL_WIDTH = R.id.transformation_start_actual_width;
private static final int START_ACTUAL_HEIGHT = R.id.transformation_start_actual_height;
private MessagingImageMessage mImageMessage;
@Override
public void initFrom(View view, TransformInfo transformInfo) {
super.initFrom(view, transformInfo);
mImageMessage = (MessagingImageMessage) view;
}
@Override
protected boolean sameAs(TransformState otherState) {
if (super.sameAs(otherState)) {
return true;
}
if (otherState instanceof MessagingImageTransformState) {
MessagingImageTransformState otherMessage = (MessagingImageTransformState) otherState;
return mImageMessage.sameAs(otherMessage.mImageMessage);
}
return false;
}
public static MessagingImageTransformState obtain() {
MessagingImageTransformState instance = sInstancePool.acquire();
if (instance != null) {
return instance;
}
return new MessagingImageTransformState();
}
@Override
protected boolean transformScale(TransformState otherState) {
return false;
}
@Override
protected void transformViewFrom(TransformState otherState, int transformationFlags,
ViewTransformationHelper.CustomTransformation customTransformation,
float transformationAmount) {
super.transformViewFrom(otherState, transformationFlags, customTransformation,
transformationAmount);
float interpolatedValue = mDefaultInterpolator.getInterpolation(
transformationAmount);
if (otherState instanceof MessagingImageTransformState && sameAs(otherState)) {
MessagingImageMessage otherMessage
= ((MessagingImageTransformState) otherState).mImageMessage;
if (transformationAmount == 0.0f) {
setStartActualWidth(otherMessage.getActualWidth());
setStartActualHeight(otherMessage.getActualHeight());
}
float startActualWidth = getStartActualWidth();
mImageMessage.setActualWidth(
(int) NotificationUtils.interpolate(startActualWidth,
mImageMessage.getWidth(),
interpolatedValue));
float startActualHeight = getStartActualHeight();
mImageMessage.setActualHeight(
(int) NotificationUtils.interpolate(startActualHeight,
mImageMessage.getHeight(),
interpolatedValue));
}
}
public int getStartActualWidth() {
Object tag = mTransformedView.getTag(START_ACTUAL_WIDTH);
return tag == null ? -1 : (int) tag;
}
public void setStartActualWidth(int actualWidth) {
mTransformedView.setTag(START_ACTUAL_WIDTH, actualWidth);
}
public int getStartActualHeight() {
Object tag = mTransformedView.getTag(START_ACTUAL_HEIGHT);
return tag == null ? -1 : (int) tag;
}
public void setStartActualHeight(int actualWidth) {
mTransformedView.setTag(START_ACTUAL_HEIGHT, actualWidth);
}
@Override
public void recycle() {
super.recycle();
if (getClass() == MessagingImageTransformState.class) {
sInstancePool.release(this);
}
}
@Override
protected void resetTransformedView() {
super.resetTransformedView();
mImageMessage.setActualWidth(mImageMessage.getWidth());
mImageMessage.setActualHeight(mImageMessage.getHeight());
}
@Override
protected void reset() {
super.reset();
mImageMessage = null;
}
}
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