Gallery: MediaPlayer/Metadata wrapper

CRs-Fixed: 986672
Change-Id: Ia290c2043d0d6a01df0ff2a07d143e15078ca109

3 files changed, 61 insertions, 9 deletions

diff --git a/gallerycommon/src/com/android/gallery3d/common/ApiHelper.java b/gallerycommon/src/com/android/gallery3d/common/ApiHelper.java
index 1c3ffcd67..434771b6e 100644
--- a/gallerycommon/src/com/android/gallery3d/common/ApiHelper.java
+++ b/gallerycommon/src/com/android/gallery3d/common/ApiHelper.java
@@ -301,4 +301,55 @@ public class ApiHelper {
             invoke(setMethod, null, key, val);
         }
     }
+
+    public static class Metadata {
+        public static final int PAUSE_AVAILABLE = 1;
+        public static final int SEEK_BACKWARD_AVAILABLE = 2;
+        public static final int SEEK_FORWARD_AVAILABLE = 3;
+        public static final int SEEK_AVAILABLE = 4;
+
+        private static final Method hasMethod;
+        private static final Method getIntMethod;
+        private static final Method getBooleanMethod;
+
+        static {
+            Class<?> klass = getClassForName("android.media.Metadata");
+            hasMethod = getMethod(klass, "has", int.class);
+            getIntMethod = getMethod(klass, "getInt", int.class);
+            getBooleanMethod = getMethod(klass, "getBoolean", int.class);
+        }
+
+        private Object mMetadata;
+
+        Metadata(Object obj) {
+            mMetadata = obj;
+        }
+
+        public boolean has(final int metadataId) {
+            Object obj = invoke(hasMethod, mMetadata, metadataId);
+            return obj == null ? false : (Boolean) obj;
+        }
+
+        public int getInt(final int key) {
+            Object obj = invoke(getIntMethod, mMetadata, key);
+            return obj == null ? 0 : (Integer) obj;
+        }
+
+        public boolean getBoolean(final int key) {
+            Object obj = invoke(getBooleanMethod, mMetadata, key);
+            return obj == null ? false : (Boolean) obj;
+        }
+    }
+
+    public static class MediaPlayer {
+        public static final boolean METADATA_ALL = false;
+        public static final boolean BYPASS_METADATA_FILTER = false;
+
+        public static Metadata getMetadata(android.media.MediaPlayer mp,
+                final boolean update_only, final boolean apply_filter) {
+            Method method = getMethod(mp.getClass(), "getMetadata", boolean.class, boolean.class);
+            Object obj = invoke(method, mp, update_only, apply_filter);
+            return obj == null ? null : new Metadata(obj);
+        }
+    }
 }
diff --git a/src/com/android/gallery3d/app/MoviePlayer.java b/src/com/android/gallery3d/app/MoviePlayer.java
index a16cc9a33..520b462ee 100644
--- a/src/com/android/gallery3d/app/MoviePlayer.java
+++ b/src/com/android/gallery3d/app/MoviePlayer.java
@@ -31,7 +31,6 @@ import android.content.SharedPreferences;
 import android.graphics.Color;
 import android.media.AudioManager;
 import android.media.MediaPlayer;
-import android.media.Metadata;
 import android.media.audiofx.Virtualizer;
 import android.net.Uri;
 import android.os.Build;
@@ -987,10 +986,10 @@ public class MoviePlayer implements
 
     private void getVideoInfo(MediaPlayer mp) {
         if (!MovieUtils.isLocalFile(mMovieItem.getUri(), mMovieItem.getMimeType())) {
-            Metadata data = mp.getMetadata(MediaPlayer.METADATA_ALL,
-                    MediaPlayer.BYPASS_METADATA_FILTER);
+            ApiHelper.Metadata data = ApiHelper.MediaPlayer.getMetadata(mp,
+                    ApiHelper.MediaPlayer.METADATA_ALL,
+                    ApiHelper.MediaPlayer.BYPASS_METADATA_FILTER);
             if (data != null) {
-                // TODO comments by sunlei
                 mServerTimeoutExt.setVideoInfo(data);
             } else {
                 Log.w(TAG, "Metadata is null!");
@@ -1438,7 +1437,7 @@ public class MoviePlayer implements
             return false;
         }
 
-        public void setVideoInfo(Metadata data) {
+        public void setVideoInfo(ApiHelper.Metadata data) {
             mServerTimeout = RESUME_DIALOG_TIMEOUT;
             if (data.has(SERVER_TIMEOUT)) {
                 mServerTimeout = data.getInt(SERVER_TIMEOUT);
diff --git a/src/org/codeaurora/gallery3d/video/CodeauroraVideoView.java b/src/org/codeaurora/gallery3d/video/CodeauroraVideoView.java
index d787d8daf..ace5cec64 100644
--- a/src/org/codeaurora/gallery3d/video/CodeauroraVideoView.java
+++ b/src/org/codeaurora/gallery3d/video/CodeauroraVideoView.java
@@ -4,13 +4,11 @@ import android.app.AlertDialog;
 import android.app.KeyguardManager;
 import android.content.Context;
 import android.content.DialogInterface;
-import android.content.Intent;
 import android.content.res.Resources;
 import android.media.AudioManager;
 import android.media.MediaPlayer;
 import android.media.MediaPlayer.OnBufferingUpdateListener;
 import android.media.MediaPlayer.OnVideoSizeChangedListener;
-import android.media.Metadata;
 import android.media.MediaPlayer.OnCompletionListener;
 import android.media.MediaPlayer.OnErrorListener;
 import android.media.MediaPlayer.OnInfoListener;
@@ -29,6 +27,9 @@ import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.MediaController;
 import android.widget.MediaController.MediaPlayerControl;
 
+import com.android.gallery3d.common.ApiHelper;
+import com.android.gallery3d.common.ApiHelper.Metadata;
+
 import org.codeaurora.gallery3d.video.ScreenModeManager.ScreenModeListener;
 
 import java.io.IOException;
@@ -225,8 +226,9 @@ public class CodeauroraVideoView extends SurfaceView implements MediaPlayerContr
                 }
                 //Here we can get meta data from mediaplayer.
                 // Get the capabilities of the player for this stream
-                final Metadata data = mp.getMetadata(MediaPlayer.METADATA_ALL,
-                                          MediaPlayer.BYPASS_METADATA_FILTER);
+                final Metadata data = ApiHelper.MediaPlayer.getMetadata(mp,
+                        ApiHelper.MediaPlayer.METADATA_ALL,
+                        ApiHelper.MediaPlayer.BYPASS_METADATA_FILTER);
                 if (data != null) {
                     mCanPause = !data.has(Metadata.PAUSE_AVAILABLE)
                             || data.getBoolean(Metadata.PAUSE_AVAILABLE);