Gallery2: support loop/single video play mode

(cherry picked new files from commit id
990c6d43ea7c184846e19d41bef0d93aee4e581b)

Change-Id: I0f55dfdfe812262804e7e45c99c7c9bbc5fb7503

10 files changed, 836 insertions, 0 deletions

diff --git a/src/com/qcom/gallery3d/ext/ActivityHooker.java b/src/com/qcom/gallery3d/ext/ActivityHooker.java
new file mode 100755
index 000000000..3d1999bc1
--- /dev/null
+++ b/src/com/qcom/gallery3d/ext/ActivityHooker.java
@@ -0,0 +1,87 @@
+package com.qcom.gallery3d.ext;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuItem;
+/**
+ * Default implemention class of IActivityHooker.
+ */
+public class ActivityHooker implements IActivityHooker {
+    private static final int MENU_MAX_NUMBER = 100;
+    private static int sMenuId = 1;
+    private int mMenuId;
+    private static Object sMenuLock = new Object();
+    private Activity mContext;
+    private Intent mIntent;
+    
+    public ActivityHooker() {
+        synchronized (sMenuLock) {
+            sMenuId++;
+            mMenuId = sMenuId * MENU_MAX_NUMBER;
+        }
+    }
+
+    @Override
+    public int getMenuActivityId(int id) {
+        return mMenuId + id;
+    };
+
+    @Override
+    public int getMenuOriginalId(int id) {
+        return id - mMenuId;
+    }
+    
+    @Override
+    public void init(Activity context, Intent intent) {
+        mContext = context;
+        mIntent = intent;
+    }
+    
+    @Override
+    public Activity getContext() {
+        return mContext;
+    }
+
+    @Override
+    public Intent getIntent() {
+        return mIntent;
+    }
+    
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+    }
+    @Override
+    public void onStart() {
+    }
+    @Override
+    public void onResume() {
+    }
+    @Override
+    public void onPause() {
+    }
+    @Override
+    public void onStop() {
+    }
+    @Override
+    public void onDestroy() {
+    }
+    
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        return false;
+    }
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        return false;
+    }
+    @Override
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        return false;
+    }
+
+    @Override
+    public void setParameter(String key, Object value) {
+    }
+}
diff --git a/src/com/qcom/gallery3d/ext/ActivityHookerGroup.java b/src/com/qcom/gallery3d/ext/ActivityHookerGroup.java
new file mode 100755
index 000000000..b1da185fd
--- /dev/null
+++ b/src/com/qcom/gallery3d/ext/ActivityHookerGroup.java
@@ -0,0 +1,144 @@
+package com.qcom.gallery3d.ext;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuItem;
+
+import java.util.ArrayList;
+
+/**
+ * The composite pattern class.
+ * It will deliver every action to its leaf hookers.
+ */
+public class ActivityHookerGroup extends ActivityHooker {
+    private ArrayList<IActivityHooker> mHooks = new ArrayList<IActivityHooker>();
+    /**
+     * Add hooker to current group.
+     * @param hooker
+     * @return
+     */
+    public boolean addHooker(IActivityHooker hooker) {
+        return mHooks.add(hooker);
+    }
+    /**
+     * Remove hooker from current group.
+     * @param hooker
+     * @return
+     */
+    public boolean removeHooker(IActivityHooker hooker) {
+        return mHooks.remove(hooker);
+    }
+    /**
+     * Hooker size of current group.
+     * @return
+     */
+    public int size() {
+        return mHooks.size();
+    }
+    /**
+     * Get hooker of requested location.
+     * @param index
+     * @return
+     */
+    public IActivityHooker getHooker(int index) {
+        return mHooks.get(index);
+    }
+    
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        for (IActivityHooker hook : mHooks) {
+            hook.onCreate(savedInstanceState);
+        }
+    }
+    @Override
+    public void onStart() {
+        super.onStart();
+        for (IActivityHooker hook : mHooks) {
+            hook.onStart();
+        }
+    }
+    @Override
+    public void onResume() {
+        super.onResume();
+        for (IActivityHooker hook : mHooks) {
+            hook.onResume();
+        }
+    }
+    @Override
+    public void onPause() {
+        super.onPause();
+        for (IActivityHooker hook : mHooks) {
+            hook.onPause();
+        }
+    }
+    @Override
+    public void onStop() {
+        super.onStop();
+        for (IActivityHooker hook : mHooks) {
+            hook.onStop();
+        }
+    }
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        for (IActivityHooker hook : mHooks) {
+            hook.onDestroy();
+        }
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        super.onCreateOptionsMenu(menu);
+        boolean handle = false;
+        for (IActivityHooker hook : mHooks) {
+            boolean one = hook.onCreateOptionsMenu(menu);
+            if (!handle) {
+                handle = one;
+            }
+        }
+        return handle;
+    }
+    @Override
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        super.onPrepareOptionsMenu(menu);
+        boolean handle = false;
+        for (IActivityHooker hook : mHooks) {
+            boolean one = hook.onPrepareOptionsMenu(menu);
+            if (!handle) {
+                handle = one;
+            }
+        }
+        return handle;
+    }
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        super.onOptionsItemSelected(item);
+        boolean handle = false;
+        for (IActivityHooker hook : mHooks) {
+            boolean one = hook.onOptionsItemSelected(item);
+            if (!handle) {
+                handle = one;
+            }
+        }
+        return handle;
+    }
+
+    @Override
+    public void setParameter(String key, Object value) {
+        super.setParameter(key, value);
+        for (IActivityHooker hook : mHooks) {
+            hook.setParameter(key, value);
+        }
+    }
+    
+    @Override
+    public void init(Activity context, Intent intent) {
+        super.init(context, intent);
+        for (IActivityHooker hook : mHooks) {
+            hook.init(context, intent);
+        }
+    }
+}
diff --git a/src/com/qcom/gallery3d/ext/IActivityHooker.java b/src/com/qcom/gallery3d/ext/IActivityHooker.java
new file mode 100755
index 000000000..3be707c6d
--- /dev/null
+++ b/src/com/qcom/gallery3d/ext/IActivityHooker.java
@@ -0,0 +1,118 @@
+package com.qcom.gallery3d.ext;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuItem;
+
+/**
+ * Activity action hooker class.
+ * Host app's activity will call this hooker's functions in its lifecycle.
+ * For example: HostActivity.onCreate()-->hooker.onCreate().
+ * But void init(Activity context, Intent intent) will be called before other functions.
+ * <br/>
+ * IActivityHooker objects may show menus, but we should give a unique menu id to every menus.
+ * Hooker can call getMenuActivityId(int) to get a global unique menu id to be used in menu.add(),
+ * and can call getMenuOriginalId(int) to get the original menu id.
+ * the example:
+ * class Hooker implements IActivityHooker {
+ *   private static final int MENU_EXAMPLE = 1;
+ *   @Override
+ *   public boolean onCreateOptionsMenu(Menu menu) {
+ *       super.onCreateOptionsMenu(menu);
+ *       menu.add(0, getMenuActivityId(MENU_EXAMPLE), 0, android.R.string.ok);
+ *       return true;
+ *   }
+ *   @Override
+ *   public boolean onOptionsItemSelected(MenuItem item) {
+ *       switch(getMenuOriginalId(item.getItemId())) {
+ *       case MENU_EXAMPLE:
+ *          //do something
+ *           return true;
+ *       default:
+ *           return false;
+ *       }
+ *   }
+ * }
+ */
+public interface IActivityHooker {
+    /**
+     * Will be called in Host Activity.onCreate(Bundle savedInstanceState)
+     * @param savedInstanceState
+     */
+    void onCreate(Bundle savedInstanceState);
+    /**
+     * Will be called in Host Activity.onStart()
+     */
+    void onStart();
+    /**
+     * Will be called in Host Activity.onStop()
+     */
+    void onStop();
+    /**
+     * Will be called in Host Activity.onPause()
+     */
+    void onPause();
+    /**
+     * Will be called in Host Activity.onResume()
+     */
+    void onResume();
+    /**
+     * Will be called in Host Activity.onDestroy()
+     */
+    void onDestroy();
+    /**
+     * Will be called in Host Activity.onCreateOptionsMenu(Menu menu)
+     * @param menu
+     * @return
+     */
+    boolean onCreateOptionsMenu(Menu menu);
+    /**
+     * Will be called in Host Activity.onPrepareOptionsMenu(Menu menu)
+     * @param menu
+     * @return
+     */
+    boolean onPrepareOptionsMenu(Menu menu);
+    /**
+     * Will be called in Host Activity.onOptionsItemSelected(MenuItem item)
+     * @param item
+     * @return
+     */
+    boolean onOptionsItemSelected(MenuItem item);
+    
+    /**
+     * Should be called before any other functions.
+     * @param context
+     * @param intent
+     */
+    void init(Activity context, Intent intent);
+    /**
+     * @return return activity set by init(Activity context, Intent intent)
+     */
+    Activity getContext();
+    /**
+     * @return return intent set by init(Activity context, Intent intent)
+     */
+    Intent getIntent();
+    /**
+     * IActivityHooker objects may show menus, but we should give a unique menu id to every menus.
+     * Hooker can call this function to get a global unique menu id to be used in menu.add()
+     * @param id
+     * @return
+     */
+    int getMenuActivityId(int id);
+    /**
+     * When onOptionsItemSelected is called, we can get menu's id from parameter.
+     * You can get the original menu id by calling this function.
+     * @param id
+     * @return
+     */
+    int getMenuOriginalId(int id);
+    /**
+     * Host activity will call this function to set parameter to hooker activity.
+     * @param key
+     * @param value
+     */
+    void setParameter(String key, Object value);
+}
diff --git a/src/com/qcom/gallery3d/ext/IMovieItem.java b/src/com/qcom/gallery3d/ext/IMovieItem.java
new file mode 100755
index 000000000..6c7f4dd20
--- /dev/null
+++ b/src/com/qcom/gallery3d/ext/IMovieItem.java
@@ -0,0 +1,58 @@
+package com.qcom.gallery3d.ext;
+
+import android.net.Uri;
+/**
+ * Movie info class
+ */
+public interface IMovieItem {
+    /**
+     * @return movie Uri, it's may be not the original Uri.
+     */
+    Uri getUri();
+    /**
+     * 
+     * @return MIME type of video
+     */
+    String getMimeType();
+    /**
+     * 
+     * @return title of video
+     */
+    String getTitle();
+    /**
+     * 
+     * @return whether error occured or not.
+     */
+    boolean getError();
+
+    /**
+     * set title of video
+     * @param title
+     */
+    void setTitle(String title);
+    /**
+     * set video Uri
+     * @param uri
+     */
+    void setUri(Uri uri);
+    /**
+     * Set MIME type of video
+     * @param mimeType
+     */
+    void setMimeType(String mimeType);
+
+    /**
+     * Set error occured flag
+     */
+    void setError();
+    /**
+     * 
+     * @return return original Uri of video.
+     */
+    Uri getOriginalUri();
+    /**
+     * Set video original Uri.
+     * @param uri
+     */
+    void setOriginalUri(Uri uri);
+}
\ No newline at end of file
diff --git a/src/com/qcom/gallery3d/ext/IMoviePlayer.java b/src/com/qcom/gallery3d/ext/IMoviePlayer.java
new file mode 100755
index 000000000..3a353639c
--- /dev/null
+++ b/src/com/qcom/gallery3d/ext/IMoviePlayer.java
@@ -0,0 +1,36 @@
+package com.qcom.gallery3d.ext;
+	
+public interface IMoviePlayer {
+    /**
+     * add new bookmark Uri.
+     */
+    void addBookmark();
+    /**
+     * start current item and stop playing video.
+     * @param item
+     */
+    void startNextVideo(IMovieItem item);
+    /**
+     * Loop current video.
+     * @param loop
+     */
+    void setLoop(boolean loop);
+    /**
+     * Loop current video or not
+     * @return
+     */
+    boolean getLoop();
+    /**
+     * Show video details.
+     */
+    void showDetail();
+    /**
+     * Can stop current video or not.
+     * @return
+     */
+    boolean canStop();
+    /**
+     * Stop current video.
+     */
+    void stopVideo();
+}
diff --git a/src/com/qcom/gallery3d/ext/MovieItem.java b/src/com/qcom/gallery3d/ext/MovieItem.java
new file mode 100755
index 000000000..2da1c2628
--- /dev/null
+++ b/src/com/qcom/gallery3d/ext/MovieItem.java
@@ -0,0 +1,115 @@
+package com.qcom.gallery3d.ext;
+
+import android.net.Uri;
+import android.provider.MediaStore;
+
+public class MovieItem implements IMovieItem {
+    private static final String TAG = "MovieItem";
+    private static final boolean LOG = true;
+    
+    private Uri mUri;
+    private String mMimeType;
+    private String mTitle;
+    private boolean mError;
+//    private int mStereoType;
+    private Uri mOriginal;
+    
+    private static final int STREO_TYPE_2D = 1;
+    
+    public MovieItem(Uri uri, String mimeType, String title, int stereoType) {
+        mUri = uri;
+        mMimeType = mimeType;
+        mTitle = title;
+//        mStereoType = stereoType;
+        mOriginal = uri;
+    }
+    
+    public MovieItem(String uri, String mimeType, String title, int stereoType) {
+        this(Uri.parse(uri), mimeType, title, stereoType);
+    }
+    
+    public MovieItem(Uri uri, String mimeType, String title) {
+    	   this(uri, mimeType, title, STREO_TYPE_2D);
+    }
+    
+    public MovieItem(String uri, String mimeType, String title) {
+        this(Uri.parse(uri), mimeType, title);
+    }
+    
+    @Override
+    public Uri getUri() {
+        return mUri;
+    }
+    
+    @Override
+    public String getMimeType() {
+        return mMimeType;
+    }
+    
+    @Override
+    public String getTitle() {
+        return mTitle;
+    }
+    
+    @Override
+    public boolean getError() {
+        return mError;
+    }
+    
+//    @Override
+//    public int getStereoType() {
+//        return mStereoType;
+//    }
+    
+    public void setTitle(String title) {
+        mTitle = title;
+    }
+    
+    @Override
+    public void setUri(Uri uri) {
+        mUri = uri;
+    }
+    
+    @Override
+    public void setMimeType(String mimeType) {
+        mMimeType = mimeType;
+    }
+    
+//    @Override
+//    public void setStereoType(int stereoType) {
+//        mStereoType = stereoType;
+//    }
+    
+    @Override
+    public void setError() {
+        mError = true;
+    }
+
+    @Override
+    public Uri getOriginalUri() {
+        return mOriginal;
+    }
+
+    @Override
+    public void setOriginalUri(Uri uri) {
+        mOriginal = uri;
+    }
+    
+    @Override
+    public String toString() {
+        return new StringBuilder().append("MovieItem(uri=")
+        .append(mUri)
+        .append(", mime=")
+        .append(mMimeType)
+        .append(", title=")
+        .append(mTitle)
+        .append(", error=")
+        .append(mError)
+//        .append(", support3D=")
+//        .append(mStereoType)
+        .append(", mOriginal=")
+        .append(mOriginal)
+        .append(")")
+        .toString();
+    }
+}
\ No newline at end of file
diff --git a/src/com/qcom/gallery3d/ext/MovieUtils.java b/src/com/qcom/gallery3d/ext/MovieUtils.java
new file mode 100755
index 000000000..16b7b6375
--- /dev/null
+++ b/src/com/qcom/gallery3d/ext/MovieUtils.java
@@ -0,0 +1,89 @@
+package com.qcom.gallery3d.ext;
+
+import android.net.Uri;
+
+import java.util.Locale;
+
+/**
+ * Util class for Movie functions. *
+ */
+public class MovieUtils {
+    private static final String TAG = "MovieUtils";
+    private static final boolean LOG = true;
+    
+    private MovieUtils() {}
+    /**
+     * Whether current video(Uri) is RTSP streaming or not. 
+     * @param uri
+     * @param mimeType
+     * @return
+     */
+    public static boolean isRtspStreaming(Uri uri, String mimeType) {
+        boolean rtsp = false;
+        if (uri != null) {
+            if ("rtsp".equalsIgnoreCase(uri.getScheme())) {
+                rtsp = true;
+            }
+        } 
+        if (LOG) {
+            QcomLog.v(TAG, "isRtspStreaming(" + uri + ", " + mimeType + ") return " + rtsp);
+        }
+        return rtsp;
+    }
+    /**
+     * Whether current video(Uri) is HTTP streaming or not.
+     * @param uri
+     * @param mimeType
+     * @return
+     */
+    public static boolean isHttpStreaming(Uri uri, String mimeType) {
+        boolean http = false;
+        if (uri != null) {
+            if ("http".equalsIgnoreCase(uri.getScheme())) {
+                http = true;
+            } else if ("https".equalsIgnoreCase(uri.getScheme())) {
+                http = true;
+            }
+        }
+        if (LOG) {
+            QcomLog.v(TAG, "isHttpStreaming(" + uri + ", " + mimeType + ") return " + http);
+        }
+        return http;
+    }
+    /**
+     * Whether current video(Uri) is live streaming or not.
+     * @param uri
+     * @param mimeType
+     * @return
+     */
+    public static boolean isSdpStreaming(Uri uri, String mimeType) {
+        boolean sdp = false;
+        if (uri != null) {
+            if ("application/sdp".equals(mimeType)) {
+                sdp = true;
+            } else if (uri.toString().toLowerCase(Locale.ENGLISH).endsWith(".sdp")) {
+                sdp = true;
+            }
+        }
+        if (LOG) {
+            QcomLog.v(TAG, "isSdpStreaming(" + uri + ", " + mimeType + ") return " + sdp);
+        }
+        return sdp;
+    }
+    
+    /**
+     * Whether current video(Uri) is local file or not.
+     * @param uri
+     * @param mimeType
+     * @return
+     */
+    public static boolean isLocalFile(Uri uri, String mimeType) {
+        boolean local = (!isSdpStreaming(uri, mimeType)
+                && !isRtspStreaming(uri, mimeType)
+                && !isHttpStreaming(uri, mimeType));
+        if (LOG) {
+            QcomLog.v(TAG, "isLocalFile(" + uri + ", " + mimeType + ") return " + local);
+        }
+        return local;
+    }
+}
diff --git a/src/com/qcom/gallery3d/video/ExtensionHelper.java b/src/com/qcom/gallery3d/video/ExtensionHelper.java
new file mode 100755
index 000000000..ae667eeb5
--- /dev/null
+++ b/src/com/qcom/gallery3d/video/ExtensionHelper.java
@@ -0,0 +1,88 @@
+package com.qcom.gallery3d.video;
+
+import android.content.Context;
+
+import com.android.gallery3d.app.MovieActivity;
+import com.qcom.gallery3d.ext.ActivityHookerGroup;
+import com.qcom.gallery3d.ext.IActivityHooker;
+import com.qcom.gallery3d.ext.IMovieExtension;
+import com.qcom.gallery3d.ext.IMovieStrategy;
+import com.qcom.gallery3d.ext.MovieExtension;
+import com.qcom.gallery3d.ext.MovieStrategy;
+import com.qcom.gallery3d.ext.QcomLog;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ExtensionHelper {
+    private static final String TAG = "ExtensionHelper";
+    private static final boolean LOG = true;
+    
+    private static List<IMovieExtension> sMovieExtensions;
+    private static void ensureMovieExtension(final Context context) {
+        if (sMovieExtensions == null) {
+            sMovieExtensions = new ArrayList<IMovieExtension>();
+            sMovieExtensions.add(new MovieExtension(MovieExtension.CMCC_EXTENSION_FUNCTIONS));
+        }
+    }
+
+    public static IActivityHooker getHooker(final Context context) {
+        ensureMovieExtension(context);
+        final ActivityHookerGroup group = new ActivityHookerGroup();
+        if (!(ExtensionHelper.getMovieStrategy(context).shouldEnableRewindAndForward())) {
+            group.addHooker(new StopVideoHooker());//add it for common feature.
+        }
+        group.addHooker(new LoopVideoHooker()); //add it for common feature.
+
+        for (final IMovieExtension ext : sMovieExtensions) { //add common feature in host app
+            final List<Integer> list = ext.getFeatureList();
+            if (list != null) {
+                for (int i = 0, size = list.size(); i < size; i++) {
+                    final int feature = list.get(i);
+                    switch(feature) {
+                    case IMovieExtension.FEATURE_ENABLE_STOP:
+                        //group.addHooker(new StopVideoHooker());
+                        break;
+                   // case IMovieExtension.FEATURE_ENABLE_NOTIFICATION_PLUS:
+                   //    group.addHooker(new NotificationPlusHooker());
+                   //   break;
+                    case IMovieExtension.FEATURE_ENABLE_STREAMING:
+                        group.addHooker(new StreamingHooker());
+                        break;
+                    case IMovieExtension.FEATURE_ENABLE_BOOKMARK:
+                        group.addHooker(new BookmarkHooker());
+                        break;
+                    case IMovieExtension.FEATURE_ENABLE_VIDEO_LIST:
+                        group.addHooker(new MovieListHooker());
+                        break;
+                    case IMovieExtension.FEATURE_ENABLE_STEREO_AUDIO:
+                        group.addHooker(new StereoAudioHooker());
+                        break;
+                    case IMovieExtension.FEATURE_ENABLE_SETTINGS:
+                        group.addHooker(new StepOptionSettingsHooker());
+                        break;
+                    default:
+                        break;
+                    }
+                }
+            }
+        }
+        for (final IMovieExtension ext : sMovieExtensions) { //add other feature in plugin app
+            final IActivityHooker hooker = ext.getHooker();
+            if (hooker != null) {
+                group.addHooker(hooker);
+            }
+        }
+        for (int i = 0, count = group.size(); i < count; i++) {
+            if (LOG) {
+                QcomLog.v(TAG, "getHooker() [" + i + "]=" + group.getHooker(i));
+            }
+        }
+        return group;
+    }
+    
+    public static IMovieStrategy getMovieStrategy(final Context context) {
+       return  new MovieStrategy();
+    }
+    
+}
diff --git a/src/com/qcom/gallery3d/video/LoopVideoHooker.java b/src/com/qcom/gallery3d/video/LoopVideoHooker.java
new file mode 100755
index 000000000..2b5380f5d
--- /dev/null
+++ b/src/com/qcom/gallery3d/video/LoopVideoHooker.java
@@ -0,0 +1,63 @@
+package com.qcom.gallery3d.video;
+
+import android.view.Menu;
+import android.view.MenuItem;
+
+import com.android.gallery3d.R;
+import com.qcom.gallery3d.ext.MovieUtils;
+import com.qcom.gallery3d.ext.QcomLog;
+
+public class LoopVideoHooker extends MovieHooker {
+    private static final String TAG = "LoopVideoHooker";
+    private static final boolean LOG = true;
+    
+    private static final int MENU_LOOP = 1;
+    
+    private MenuItem mMenuLoopButton;
+    
+    @Override
+    public boolean onCreateOptionsMenu(final Menu menu) {
+        super.onCreateOptionsMenu(menu);
+        mMenuLoopButton = menu.add(0, getMenuActivityId(MENU_LOOP), 0, R.string.loop);
+        return true;
+    }
+    @Override
+    public boolean onPrepareOptionsMenu(final Menu menu) {
+        super.onPrepareOptionsMenu(menu);
+        updateLoop();
+        return true;
+    }
+    @Override
+    public boolean onOptionsItemSelected(final MenuItem item) {
+        super.onOptionsItemSelected(item);
+        switch(getMenuOriginalId(item.getItemId())) {
+        case MENU_LOOP:
+            getPlayer().setLoop(!getPlayer().getLoop());
+            updateLoop();
+            return true;
+        default:
+            return false;
+        }
+    }
+    
+    private void updateLoop() {
+        if (LOG) {
+            QcomLog.v(TAG, "updateLoop() mLoopButton=" + mMenuLoopButton);
+        }
+        if (mMenuLoopButton != null) {
+            if (MovieUtils.isLocalFile(getMovieItem().getUri(), getMovieItem().getMimeType())) {
+                mMenuLoopButton.setVisible(true);
+            } else {
+                mMenuLoopButton.setVisible(false);
+            }
+            final boolean newLoop = getPlayer().getLoop();
+            if (newLoop) {
+                mMenuLoopButton.setTitle(R.string.single);
+                mMenuLoopButton.setIcon(R.drawable.ic_menu_unloop);
+            } else {
+                mMenuLoopButton.setTitle(R.string.loop);
+                mMenuLoopButton.setIcon(R.drawable.ic_menu_loop);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/com/qcom/gallery3d/video/MovieHooker.java b/src/com/qcom/gallery3d/video/MovieHooker.java
new file mode 100755
index 000000000..d5cbb347c
--- /dev/null
+++ b/src/com/qcom/gallery3d/video/MovieHooker.java
@@ -0,0 +1,38 @@
+package com.qcom.gallery3d.video;
+
+import com.qcom.gallery3d.ext.ActivityHooker;
+import com.qcom.gallery3d.ext.IMovieItem;
+import com.qcom.gallery3d.ext.IMoviePlayer;
+import com.qcom.gallery3d.ext.QcomLog;
+
+public class MovieHooker extends ActivityHooker {
+    private static final String TAG = "MovieHooker";
+    private static final boolean LOG = true;
+    private IMovieItem mMovieItem;
+    private IMoviePlayer mPlayer;
+    
+    @Override
+    public void setParameter(final String key, final Object value) {
+        super.setParameter(key, value);
+        if (LOG) {
+            QcomLog.v(TAG, "setParameter(" + key + ", " + value + ")");
+        }
+        if (value instanceof IMovieItem) {
+            mMovieItem = (IMovieItem) value;
+            onMovieItemChanged(mMovieItem);
+        } else if (value instanceof IMoviePlayer) {
+            mPlayer = (IMoviePlayer) value;
+            onMoviePlayerChanged(mPlayer);
+        }
+    }
+    
+    public IMovieItem getMovieItem() {
+        return mMovieItem;
+    }
+    public IMoviePlayer getPlayer() {
+        return mPlayer;
+    }
+    
+    public void onMovieItemChanged(final IMovieItem item){}
+    public void onMoviePlayerChanged(final IMoviePlayer player){}
+}