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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 com.android.internal.widget;
import android.annotation.AttrRes;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.StyleRes;
import android.app.ActivityManager;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.Icon;
import android.net.Uri;
import android.util.AttributeSet;
import android.widget.ImageView;
import android.widget.RemoteViews;
import com.android.internal.R;
/**
* An ImageView used by BigPicture Notifications to correctly resolve the Uri in an Icon using the
* LocalImageResolver, allowing it to support animated drawables which are not supported by
* Icon.loadDrawable().
*/
@RemoteViews.RemoteView
public class BigPictureNotificationImageView extends ImageView {
private static final String TAG = BigPictureNotificationImageView.class.getSimpleName();
private final int mMaximumDrawableWidth;
private final int mMaximumDrawableHeight;
public BigPictureNotificationImageView(@NonNull Context context) {
this(context, null, 0, 0);
}
public BigPictureNotificationImageView(@NonNull Context context, @Nullable AttributeSet attrs) {
this(context, attrs, 0, 0);
}
public BigPictureNotificationImageView(@NonNull Context context, @Nullable AttributeSet attrs,
@AttrRes int defStyleAttr) {
this(context, attrs, defStyleAttr, 0);
}
public BigPictureNotificationImageView(@NonNull Context context, @Nullable AttributeSet attrs,
@AttrRes int defStyleAttr, @StyleRes int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
boolean isLowRam = ActivityManager.isLowRamDeviceStatic();
mMaximumDrawableWidth = context.getResources().getDimensionPixelSize(
isLowRam ? R.dimen.notification_big_picture_max_width_low_ram
: R.dimen.notification_big_picture_max_width);
mMaximumDrawableHeight = context.getResources().getDimensionPixelSize(
isLowRam ? R.dimen.notification_big_picture_max_height_low_ram
: R.dimen.notification_big_picture_max_height);
}
@Override
@android.view.RemotableViewMethod(asyncImpl = "setImageURIAsync")
public void setImageURI(@Nullable Uri uri) {
setImageDrawable(loadImage(uri));
}
/** @hide **/
public Runnable setImageURIAsync(@Nullable Uri uri) {
final Drawable drawable = loadImage(uri);
return () -> setImageDrawable(drawable);
}
@Override
@android.view.RemotableViewMethod(asyncImpl = "setImageIconAsync")
public void setImageIcon(@Nullable Icon icon) {
setImageDrawable(loadImage(icon));
}
/** @hide **/
public Runnable setImageIconAsync(@Nullable Icon icon) {
final Drawable drawable = loadImage(icon);
return () -> setImageDrawable(drawable);
}
private Drawable loadImage(Uri uri) {
if (uri == null) return null;
return LocalImageResolver.resolveImage(uri, mContext, mMaximumDrawableWidth,
mMaximumDrawableHeight);
}
private Drawable loadImage(Icon icon) {
if (icon == null) return null;
Drawable drawable = LocalImageResolver.resolveImage(icon, mContext, mMaximumDrawableWidth,
mMaximumDrawableHeight);
if (drawable == null) {
return icon.loadDrawable(mContext);
}
return drawable;
}
}
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