diff --git a/src/com/android/gallery3d/app/AlbumSetPage.java b/src/com/android/gallery3d/app/AlbumSetPage.java
index c6e3596..8376b27 100644
--- a/src/com/android/gallery3d/app/AlbumSetPage.java
+++ b/src/com/android/gallery3d/app/AlbumSetPage.java
@@ -545,7 +545,7 @@
                 break;
             }
             case SelectionManager.SELECT_ALL_MODE: {
-                mActionModeHandler.setTitle(getSelectedString());
+                mActionModeHandler.updateSupportedOperation();
                 mRootPane.invalidate();
                 break;
             }
diff --git a/src/com/android/gallery3d/app/PhotoPage.java b/src/com/android/gallery3d/app/PhotoPage.java
index ea3badc..71a6c8e 100644
--- a/src/com/android/gallery3d/app/PhotoPage.java
+++ b/src/com/android/gallery3d/app/PhotoPage.java
@@ -212,6 +212,7 @@
             }
 
             mMediaSet = mActivity.getDataManager().getMediaSet(mSetPathString);
+            mSelectionManager.setSourceMediaSet(mMediaSet);
             mCurrentIndex = data.getInt(KEY_INDEX_HINT, 0);
             if (mMediaSet == null) {
                 Log.w(TAG, "failed to restore " + mSetPathString);
diff --git a/src/com/android/gallery3d/ui/ActionModeHandler.java b/src/com/android/gallery3d/ui/ActionModeHandler.java
index c5773ed..746d41d 100644
--- a/src/com/android/gallery3d/ui/ActionModeHandler.java
+++ b/src/com/android/gallery3d/ui/ActionModeHandler.java
@@ -283,6 +283,8 @@
             mMenuTask.cancel();
         }
 
+        updateSelectionMenu();
+
         // Disable share action until share intent is in good shape
         final MenuItem item = mShareActionProvider != null ?
                 mMenu.findItem(R.id.action_share) : null;
diff --git a/src/com/android/gallery3d/ui/SelectionManager.java b/src/com/android/gallery3d/ui/SelectionManager.java
index 1783b11..86e92da 100644
--- a/src/com/android/gallery3d/ui/SelectionManager.java
+++ b/src/com/android/gallery3d/ui/SelectionManager.java
@@ -107,15 +107,21 @@
         return mInverseSelection ^ mClickedSet.contains(itemId);
     }
 
+    private int getTotalCount() {
+        if (mSourceMediaSet == null) return -1;
+
+        if (mTotal < 0) {
+            mTotal = mIsAlbumSet
+                    ? mSourceMediaSet.getSubMediaSetCount()
+                    : mSourceMediaSet.getMediaItemCount();
+        }
+        return mTotal;
+    }
+
     public int getSelectedCount() {
         int count = mClickedSet.size();
         if (mInverseSelection) {
-            if (mTotal < 0) {
-                mTotal = mIsAlbumSet
-                        ? mSourceMediaSet.getSubMediaSetCount()
-                        : mSourceMediaSet.getMediaItemCount();
-            }
-            count = mTotal - count;
+            count = getTotalCount() - count;
         }
         return count;
     }
@@ -128,8 +134,14 @@
             mClickedSet.add(path);
         }
 
+        // Convert to inverse selection mode if everything is selected.
+        int count = getSelectedCount();
+        if (count == getTotalCount()) {
+            selectAll();
+        }
+
         if (mListener != null) mListener.onSelectionChange(path, isItemSelected(path));
-        if (getSelectedCount() == 0 && mAutoLeave) {
+        if (count == 0 && mAutoLeave) {
             leaveSelectionMode();
         }
     }
@@ -159,8 +171,8 @@
         ArrayList<Path> selected = new ArrayList<Path>();
         if (mIsAlbumSet) {
             if (mInverseSelection) {
-                int max = mSourceMediaSet.getSubMediaSetCount();
-                for (int i = 0; i < max; i++) {
+                int total = getTotalCount();
+                for (int i = 0; i < total; i++) {
                     MediaSet set = mSourceMediaSet.getSubMediaSet(i);
                     Path id = set.getPath();
                     if (!mClickedSet.contains(id)) {
@@ -182,8 +194,7 @@
             }
         } else {
             if (mInverseSelection) {
-
-                int total = mSourceMediaSet.getMediaItemCount();
+                int total = getTotalCount();
                 int index = 0;
                 while (index < total) {
                     int count = Math.min(total - index, MediaSet.MEDIAITEM_BATCH_FETCH_COUNT);