Use ImageResolver for BigPictureStyle when using BigPicture (64686e20) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/widget/BigPictureNotificationImageView.java

0 → 100644

+105 −0

Original line number	Diff line number	Diff line
		/*
		* 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.content.Context;
		import android.graphics.drawable.Drawable;
		import android.graphics.drawable.Icon;
		import android.net.Uri;
		import android.util.AttributeSet;
		import android.util.Log;
		import android.widget.ImageView;
		import android.widget.RemoteViews;

		import java.io.IOException;

		/**
		* 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();

		public BigPictureNotificationImageView(@NonNull Context context) {
		super(context);
		}

		public BigPictureNotificationImageView(@NonNull Context context, @Nullable AttributeSet attrs) {
		super(context, attrs);
		}

		public BigPictureNotificationImageView(@NonNull Context context, @Nullable AttributeSet attrs,
		@AttrRes int defStyleAttr) {
		super(context, attrs, defStyleAttr);
		}

		public BigPictureNotificationImageView(@NonNull Context context, @Nullable AttributeSet attrs,
		@AttrRes int defStyleAttr, @StyleRes int defStyleRes) {
		super(context, attrs, defStyleAttr, defStyleRes);
		}

		@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;
		try {
		return LocalImageResolver.resolveImage(uri, mContext);
		} catch (IOException ex) {
		Log.d(TAG, "Resolve failed from " + uri, ex);
		return null;
		}
		}

		private Drawable loadImage(Icon icon) {
		if (icon == null) return null;
		try {
		return LocalImageResolver.resolveImage(icon, mContext);
		} catch (IOException ex) {
		Log.d(TAG, "Resolve failed from " + icon, ex);
		return null;
		}
		}
		}

core/java/com/android/internal/widget/LocalImageResolver.java

+36 −1

Original line number	Diff line number	Diff line
		@@ -16,10 +16,11 @@

		package com.android.internal.widget;

		import android.annotation.Nullable;
		import android.content.Context;
		import android.graphics.ImageDecoder;
		import android.graphics.drawable.AnimatedImageDrawable;
		import android.graphics.drawable.Drawable;
		import android.graphics.drawable.Icon;
		import android.net.Uri;
		import android.util.Size;

		@@ -31,6 +32,9 @@ public class LocalImageResolver {

		private static final int MAX_SAFE_ICON_SIZE_PX = 480;

		/**
		* Resolve an image from the given Uri using {@link ImageDecoder}
		*/
		public static Drawable resolveImage(Uri uri, Context context) throws IOException {
		final ImageDecoder.Source source =
		ImageDecoder.createSource(context.getContentResolver(), uri);
		@@ -39,6 +43,25 @@ public class LocalImageResolver {
		return drawable;
		}

		/**
		* Get the drawable from Icon using {@link ImageDecoder} if it contains a Uri, or
		* using {@link Icon#loadDrawable(Context)} otherwise. This will correctly apply the Icon's,
		* tint, if present, to the drawable.
		*/
		public static Drawable resolveImage(Icon icon, Context context) throws IOException {
		Uri uri = getResolvableUri(icon);
		if (uri != null) {
		Drawable result = resolveImage(uri, context);
		if (icon.hasTint()) {
		result.mutate();
		result.setTintList(icon.getTintList());
		result.setTintBlendMode(icon.getTintBlendMode());
		}
		return result;
		}
		return icon.loadDrawable(context);
		}

		public static Drawable resolveImage(Uri uri, Context context, int maxWidth, int maxHeight)
		throws IOException {
		final ImageDecoder.Source source =
		@@ -73,4 +96,16 @@ public class LocalImageResolver {
		: 1.0;
		decoder.setTargetSampleSize(getPowerOfTwoForSampleRatio(ratio));
		}

		/**
		* Gets the Uri for this icon, assuming the icon can be treated as a pure Uri. Null otherwise.
		*/
		@Nullable
		public static Uri getResolvableUri(@Nullable Icon icon) {
		if (icon == null \|\| (icon.getType() != Icon.TYPE_URI
		&& icon.getType() != Icon.TYPE_URI_ADAPTIVE_BITMAP)) {
		return null;
		}
		return icon.getUri();
		}
		}

core/res/res/layout/notification_template_material_big_picture.xml

+1 −1

Original line number	Diff line number	Diff line
		@@ -58,7 +58,7 @@
		<include layout="@layout/notification_template_text_multiline" />
		</LinearLayout>

		<ImageView
		<com.android.internal.widget.BigPictureNotificationImageView
		android:id="@+id/big_picture"
		android:layout_width="match_parent"
		android:layout_height="0dp"

graphics/java/android/graphics/drawable/Icon.java

+12 −1

Original line number	Diff line number	Diff line
		@@ -23,6 +23,7 @@ import android.annotation.ColorInt;
		import android.annotation.DrawableRes;
		import android.annotation.IntDef;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.compat.annotation.UnsupportedAppUsage;
		import android.content.ContentResolver;
		import android.content.Context;
		@@ -336,7 +337,7 @@ public final class Icon implements Parcelable {
		*/
		public Drawable loadDrawable(Context context) {
		final Drawable result = loadDrawableInner(context);
		if (result != null && (mTintList != null \|\| mBlendMode != DEFAULT_BLEND_MODE)) {
		if (result != null && hasTint()) {
		result.mutate();
		result.setTintList(mTintList);
		result.setTintBlendMode(mBlendMode);
		@@ -762,6 +763,11 @@ public final class Icon implements Parcelable {
		return this;
		}

		/** @hide */
		public @Nullable ColorStateList getTintList() {
		return mTintList;
		}

		/**
		* Store a blending mode to use whenever this Icon is drawn.
		*
		@@ -784,6 +790,11 @@ public final class Icon implements Parcelable {
		return this;
		}

		/** @hide */
		public @NonNull BlendMode getTintBlendMode() {
		return mBlendMode;
		}

		/** @hide */
		@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
		public boolean hasTint() {