Messaging: FrameSequence -> ImageDecoder

fixes playing / displaying gifs
replaces old deprecated FrameSequence & FrameSequenceDrawable libs

Change-Id: I58a99dbe92896216462d788069095fe2f9a909f7

src/com/android/messaging/datamodel/media/GifImageResource.java

@@ -17,30 +17,51 @@ package com.android.messaging.datamodel.media;
 
 import android.content.res.Resources;
 import android.graphics.Bitmap;
+import android.graphics.ImageDecoder;
+import android.graphics.drawable.AnimatedImageDrawable;
 import android.graphics.drawable.Drawable;
 import android.media.ExifInterface;
-import android.support.rastermill.FrameSequence;
-import android.support.rastermill.FrameSequenceDrawable;
 
 import com.android.messaging.util.Assert;
 import com.android.messaging.util.LogUtil;
 
+import java.io.File;
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.OutputStream;
 
 public class GifImageResource extends ImageResource {
-    private FrameSequence mFrameSequence;
+    private ImageDecoder.Source mImageDecoderSource;
 
-    public GifImageResource(String key, FrameSequence frameSequence) {
+    public GifImageResource(String key, ImageDecoder.Source imageDecoderSource) {
         // GIF does not support exif tags
         super(key, ExifInterface.ORIENTATION_NORMAL);
-        mFrameSequence = frameSequence;
+        mImageDecoderSource = imageDecoderSource;
     }
 
     public static GifImageResource createGifImageResource(String key, InputStream inputStream) {
-        final FrameSequence frameSequence;
+        // create a temp file
+        File file = null;
         try {
-            frameSequence = FrameSequence.decodeStream(inputStream);
+            file = File.createTempFile("gifRes", ".gif");
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        if (file == null) {
+            return null;
+        }
+
+        // write inputStream to the temp file
+        try (OutputStream out = new FileOutputStream(file)) {
+            byte[] buffer = new byte[4 * 1024];
+            int len;
+            while ((len = inputStream.read(buffer)) > 0) {
+                out.write(buffer, 0, len);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
         } finally {
             try {
                 inputStream.close();
@@ -48,16 +69,20 @@ public class GifImageResource extends ImageResource {
                 // Nothing to do if we fail closing the stream
             }
         }
-        if (frameSequence == null) {
+
+        // prepare mImageDecoderSource
+        final ImageDecoder imageDecoder;
+        ImageDecoder.Source source = ImageDecoder.createSource(file);
+        if (source == null) {
             return null;
         }
-        return new GifImageResource(key, frameSequence);
+        return new GifImageResource(key, source);
     }
 
     @Override
     public Drawable getDrawable(Resources resources) {
         try {
-            return new FrameSequenceDrawable(mFrameSequence);
+            return (AnimatedImageDrawable) ImageDecoder.decodeDrawable(mImageDecoderSource);
         } catch (final Throwable t) {
             // Malicious gif images can make the platform throw different kind of throwables, such
             // as OutOfMemoryError and NullPointerException. Catch them all.
@@ -85,9 +110,6 @@ public class GifImageResource extends ImageResource {
 
     @Override
     public boolean supportsBitmapReuse() {
-        // FrameSequenceDrawable a.) takes two bitmaps and thus does not fit into the current
-        // bitmap pool architecture b.) will rarely use bitmaps from one FrameSequenceDrawable to
-        // the next that are the same sizes since they are used by attachments.
         return false;
     }
 
@@ -107,12 +129,11 @@ public class GifImageResource extends ImageResource {
     protected void close() {
         acquireLock();
         try {
-            if (mFrameSequence != null) {
-                mFrameSequence = null;
+            if (mImageDecoderSource != null) {
+                mImageDecoderSource = null;
             }
         } finally {
             releaseLock();
         }
     }
-
 }

src/com/android/messaging/ui/AsyncImageView.java

@@ -22,10 +22,10 @@ import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Path;
 import android.graphics.RectF;
+import android.graphics.drawable.AnimatedImageDrawable;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import androidx.annotation.Nullable;
-import android.support.rastermill.FrameSequenceDrawable;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.widget.ImageView;
@@ -194,8 +194,8 @@ public class AsyncImageView extends ImageView implements MediaResourceLoadListen
             mImageResource = resource;
             mImageResource.addRef();
             setImageDrawable(drawable);
-            if (drawable instanceof FrameSequenceDrawable) {
-                ((FrameSequenceDrawable) drawable).start();
+            if (drawable instanceof AnimatedImageDrawable) {
+                ((AnimatedImageDrawable) drawable).start();
             }
 
             if (getVisibility() == VISIBLE) {
@@ -249,9 +249,8 @@ public class AsyncImageView extends ImageView implements MediaResourceLoadListen
 
     private void releaseImageResource() {
         final Drawable drawable = getDrawable();
-        if (drawable instanceof FrameSequenceDrawable) {
-            ((FrameSequenceDrawable) drawable).stop();
-            ((FrameSequenceDrawable) drawable).destroy();
+        if (drawable instanceof AnimatedImageDrawable) {
+            ((AnimatedImageDrawable) drawable).stop();
         }
         if (mImageResource != null) {
             mImageResource.release();

src/com/android/messaging/ui/photoviewer/BuglePhotoBitmapLoader.java

@@ -18,7 +18,6 @@ package com.android.messaging.ui.photoviewer;
 import android.content.Context;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
-import android.support.rastermill.FrameSequenceDrawable;
 import androidx.loader.content.AsyncTaskLoader;
 
 import com.android.ex.photo.PhotoViewController;
@@ -91,7 +90,6 @@ public class BuglePhotoBitmapLoader extends AsyncTaskLoader<BitmapResult>
         final Drawable drawable = result != null ? result.drawable : null;
         if (isReset()) {
             // An async query came in while the loader is stopped. We don't need the result.
-            releaseDrawable(drawable);
             return;
         }
 
@@ -140,11 +138,6 @@ public class BuglePhotoBitmapLoader extends AsyncTaskLoader<BitmapResult>
     @Override
     public void onCanceled(BitmapResult result) {
         super.onCanceled(result);
-
-        // At this point we can release the resources associated with 'drawable' if needed.
-        if (result != null) {
-            releaseDrawable(result.drawable);
-        }
     }
 
     /**
@@ -160,14 +153,6 @@ public class BuglePhotoBitmapLoader extends AsyncTaskLoader<BitmapResult>
         releaseImageResource();
     }
 
-    private void releaseDrawable(Drawable drawable) {
-        if (drawable != null && drawable instanceof FrameSequenceDrawable
-                && !((FrameSequenceDrawable) drawable).isDestroyed()) {
-            ((FrameSequenceDrawable) drawable).destroy();
-        }
-
-    }
-
     private void setImageResource(final ImageResource resource) {
         if (mImageResource != resource) {
             // Clear out any information for what is currently used
@@ -181,7 +166,6 @@ public class BuglePhotoBitmapLoader extends AsyncTaskLoader<BitmapResult>
     private void releaseImageResource() {
         // If we are getting rid of the imageResource backing the drawable, we must also
         // destroy the drawable before releasing it.
-        releaseDrawable(mDrawable);
         mDrawable = null;
 
         if (mImageResource != null) {
@@ -189,4 +173,4 @@ public class BuglePhotoBitmapLoader extends AsyncTaskLoader<BitmapResult>
         }
         mImageResource = null;
     }
-}
\ No newline at end of file
+}

src/com/android/messaging/ui/photoviewer/BuglePhotoViewFragment.java

@@ -16,8 +16,8 @@
 package com.android.messaging.ui.photoviewer;
 
 import android.content.Intent;
+import android.graphics.drawable.AnimatedImageDrawable;
 import android.graphics.drawable.Drawable;
-import android.support.rastermill.FrameSequenceDrawable;
 import androidx.loader.content.Loader;
 
 import com.android.ex.photo.PhotoViewCallbacks;
@@ -75,15 +75,15 @@ public class BuglePhotoViewFragment extends PhotoViewFragment {
 
     private void stopGif() {
         final Drawable drawable = getDrawable();
-        if (drawable != null && drawable instanceof FrameSequenceDrawable) {
-            ((FrameSequenceDrawable) drawable).stop();
+        if (drawable != null && drawable instanceof AnimatedImageDrawable) {
+            ((AnimatedImageDrawable) drawable).stop();
         }
     }
 
     private void startGif() {
         final Drawable drawable = getDrawable();
-        if (drawable != null && drawable instanceof FrameSequenceDrawable) {
-            ((FrameSequenceDrawable) drawable).start();
+        if (drawable != null && drawable instanceof AnimatedImageDrawable) {
+            ((AnimatedImageDrawable) drawable).start();
         }
     }
 }