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/*
* Copyright (C) 2019 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.settings.accessibility;
import android.content.Context;
import android.graphics.drawable.AnimatedImageDrawable;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.widget.ImageView;
import androidx.preference.Preference;
import androidx.preference.PreferenceViewHolder;
import com.android.settings.R;
/**
* A custom {@link ImageView} preference for showing animated or static image, such as <a
* href="https://developers.google.com/speed/webp/">animated webp</a> and static png.
*/
public class AnimatedImagePreference extends Preference {
private Uri mImageUri;
private int mMaxHeight = -1;
AnimatedImagePreference(Context context) {
super(context);
setLayoutResource(R.layout.preference_animated_image);
}
@Override
public void onBindViewHolder(PreferenceViewHolder holder) {
super.onBindViewHolder(holder);
final ImageView imageView = holder.itemView.findViewById(R.id.animated_img);
if (imageView == null) {
return;
}
if (mImageUri != null) {
imageView.setImageURI(mImageUri);
final Drawable drawable = imageView.getDrawable();
if (drawable instanceof AnimatedImageDrawable) {
((AnimatedImageDrawable) drawable).start();
}
}
if (mMaxHeight > -1) {
imageView.setMaxHeight(mMaxHeight);
}
}
/**
* Sets image uri to display image in {@link ImageView}
*
* @param imageUri the Uri of an image
*/
public void setImageUri(Uri imageUri) {
if (imageUri != null && !imageUri.equals(mImageUri)) {
mImageUri = imageUri;
notifyChanged();
}
}
/**
* Sets the maximum height of the view.
*
* @param maxHeight the maximum height of ImageView in terms of pixels.
*/
public void setMaxHeight(int maxHeight) {
if (maxHeight != mMaxHeight) {
mMaxHeight = maxHeight;
notifyChanged();
}
}
}
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