Gallery2 : GIF animated drm file can be visible in Gallery app

CRs-fixed : 804192

Change-Id: I0d62ebc31b54d5369e9530089e7c47088fc8d92f

1 files changed, 20 insertions, 0 deletions

diff --git a/src/com/android/gallery3d/util/GIFView.java b/src/com/android/gallery3d/util/GIFView.java
index 86003fb31..c80625b41 100755
--- a/src/com/android/gallery3d/util/GIFView.java
+++ b/src/com/android/gallery3d/util/GIFView.java
@@ -6,6 +6,7 @@ import android.content.Context;
 import android.content.ContentResolver;
 import android.content.res.AssetManager;
 import android.database.Cursor;
+import android.drm.DrmHelper;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Rect;
@@ -45,6 +46,19 @@ public class GIFView extends ImageView implements GifAction {
         }
         mUri = uri;
 
+        // Let decode the GIF image from byte stream instead of file stream
+        String filepath = DrmHelper.getFilePath(mContext, mUri);
+        if (DrmHelper.isDrmFile(filepath)) {
+            byte[] bytes = DrmHelper.getDrmImageBytes(filepath);
+            DrmHelper.manageDrmLicense(mContext, this.getHandler(), filepath,
+                    "image/gif");
+            if (bytes == null) {
+                return false;
+            }
+            startDecode(bytes);
+            return true;
+        }
+
         InputStream is = getInputStream(uri);
         if (is == null || (getFileSize (is) == 0)) {
             return false;
@@ -92,6 +106,12 @@ public class GIFView extends ImageView implements GifAction {
         mGifDecoder.start();
     }
 
+    private void startDecode(byte[] bytes) {
+        freeGifDecoder();
+        mGifDecoder = new GifDecoder(bytes, this);
+        mGifDecoder.start();
+    }
+
     protected void onDraw(Canvas canvas) {
         super.onDraw(canvas);
         if (mGifDecoder == null) {