Reduce the transaction fee of getEnabledInputMethodSubtypeList

Bug: 8467480
Change-Id: Ic1fddfe433e097041fcb09d1fd341d77d7d8b13b

1 files changed, 10 insertions, 4 deletions

diff --git a/services/java/com/android/server/InputMethodManagerService.java b/services/java/com/android/server/InputMethodManagerService.java
index da584e2012b4..f442f11eb873 100644
--- a/services/java/com/android/server/InputMethodManagerService.java
+++ b/services/java/com/android/server/InputMethodManagerService.java
@@ -969,19 +969,25 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
     }
 
     /**
-     * @param imi if null, returns enabled subtypes for the current imi
+     * @param imiId if null, returns enabled subtypes for the current imi
      * @return enabled subtypes of the specified imi
      */
     @Override
-    public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(InputMethodInfo imi,
+    public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(String imiId,
             boolean allowsImplicitlySelectedSubtypes) {
         // TODO: Make this work even for non-current users?
         if (!calledFromValidUser()) {
-            return Collections.emptyList();
+            return Collections.<InputMethodSubtype>emptyList();
         }
         synchronized (mMethodMap) {
-            if (imi == null && mCurMethodId != null) {
+            final InputMethodInfo imi;
+            if (imiId == null && mCurMethodId != null) {
                 imi = mMethodMap.get(mCurMethodId);
+            } else {
+                imi = mMethodMap.get(imiId);
+            }
+            if (imi == null) {
+                return Collections.<InputMethodSubtype>emptyList();
             }
             return mSettings.getEnabledInputMethodSubtypeListLocked(
                     mContext, imi, allowsImplicitlySelectedSubtypes);