Merge "Rely on IMM#focusOut() to close input session." into mnc-dev

core/java/android/view/inputmethod/InputMethodManager.java

@@ -1306,16 +1306,12 @@ public final class InputMethodManager {
             if (DEBUG) Log.v(TAG, "focusOut: " + view
                     + " mServedView=" + mServedView
                     + " winFocus=" + view.hasWindowFocus());
-            if (mServedView != view) {
-                // The following code would auto-hide the IME if we end up
-                // with no more views with focus.  This can happen, however,
-                // whenever we go into touch mode, so it ends up hiding
-                // at times when we don't really want it to.  For now it
-                // seems better to just turn it all off.
-                if (false && view.hasWindowFocus()) {
-                    mNextServedView = null;
-                    scheduleCheckFocusLocked(view);
-                }
+            // CAVEAT: We have ignored focusOut event in Android L MR-1 and prior.  Need special
+            // care when changing the logic here because there are so many cases to be taken into
+            // consideration, e.g., WindowManager.LayoutParams.SOFT_INPUT_* flags.
+            if (mServedView == view && view.hasWindowFocus()) {
+                mNextServedView = null;
+                scheduleCheckFocusLocked(view);
             }
         }
     }