Gallery2: support loop/single video play mode

This change allows a video to be played repeatedly. It also
introduces an extension framework.

Change-Id: I5566192f138c1f0fd889b85496dd27fbf2aed10d
CRs-Fixed: 507973

1 files changed, 60 insertions, 0 deletions

diff --git a/src/org/codeaurora/gallery3d/video/LoopVideoHooker.java b/src/org/codeaurora/gallery3d/video/LoopVideoHooker.java
new file mode 100644
index 000000000..468e8a878
--- /dev/null
+++ b/src/org/codeaurora/gallery3d/video/LoopVideoHooker.java
@@ -0,0 +1,60 @@
+package org.codeaurora.gallery3d.video;
+
+import android.view.Menu;
+import android.view.MenuItem;
+
+import com.android.gallery3d.R;
+import org.codeaurora.gallery3d.ext.MovieUtils;
+
+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());
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    private void updateLoop() {
+        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);
+            }
+        }
+    }
+}