Fix 3457875: Mini workspace should zoom on tap, not touch down

Change-Id: I2e9bb6267048f2b2fb97070029f3a0ad2a28cc32
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index 195b671..9cea69b 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -2245,6 +2245,10 @@
     }
 
     public boolean onLongClick(View v) {
+        if (mState != State.WORKSPACE) {
+            return false;
+        }
+
         switch (v.getId()) {
             case R.id.previous_screen:
                 if (mState != State.ALL_APPS) {
@@ -2277,7 +2281,6 @@
             v = (View) v.getParent().getParent();
         }
 
-
         resetAddInfo();
         CellLayout.CellInfo longClickCellInfo = (CellLayout.CellInfo) v.getTag();
         // This happens when long clicking an item with the dpad/trackball