From 06e0744e9e1a04a07e2e1bf9279124223bd674da Mon Sep 17 00:00:00 2001
From: satok <satok@google.com>
Date: Tue, 2 Nov 2010 19:46:55 +0900
Subject: Update the subtype icon properly.

Change-Id: Ib89959d1ea13f1e6f56e6280f90532e6695c4a00
---
 .../statusbar/tablet/InputMethodButton.java        |  9 ++++-----
 .../android/server/InputMethodManagerService.java  |  7 +++++++
 .../android/server/StatusBarManagerService.java    | 23 +++++++++++-----------
 3 files changed, 23 insertions(+), 16 deletions(-)

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/tablet/InputMethodButton.java b/packages/SystemUI/src/com/android/systemui/statusbar/tablet/InputMethodButton.java
index c416ff4..a025d63 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/tablet/InputMethodButton.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/tablet/InputMethodButton.java
@@ -16,10 +16,7 @@
 
 package com.android.systemui.statusbar.tablet;
 
-import android.content.BroadcastReceiver;
 import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
 import android.content.pm.PackageManager;
 import android.graphics.drawable.Drawable;
 import android.os.Handler;
@@ -36,13 +33,12 @@ import android.widget.ImageView;
 import com.android.server.InputMethodManagerService;
 import com.android.systemui.R;
 
-import java.util.Calendar;
 import java.util.List;
-import java.util.TimeZone;
 
 public class InputMethodButton extends ImageView {
 
     private static final String  TAG = "StatusBar/InputMethodButton";
+    private static final boolean DEBUG = false;
 
     private boolean mKeyboardShown;
     private ImageView mIcon;
@@ -94,6 +90,9 @@ public class InputMethodButton extends ImageView {
         InputMethodSubtype subtype = mImm.getCurrentInputMethodSubtype();
         Drawable icon = null;
         if (imi != null) {
+            if (DEBUG) {
+                Log.d(TAG, "--- Update icons of IME: " + imi.getPackageName() + "," + subtype);
+            }
             if (subtype != null) {
                 return pm.getDrawable(imi.getPackageName(), subtype.getIconResId(),
                         imi.getServiceInfo().applicationInfo);
diff --git a/services/java/com/android/server/InputMethodManagerService.java b/services/java/com/android/server/InputMethodManagerService.java
index 20e8bbe..155c397 100644
--- a/services/java/com/android/server/InputMethodManagerService.java
+++ b/services/java/com/android/server/InputMethodManagerService.java
@@ -993,6 +993,13 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
                         if (mCurMethod != null) {
                             try {
                                 putSelectedInputMethodSubtype(info, subtypeId);
+                                mCurrentSubtype = subtype;
+                                if (mInputShown) {
+                                    // If mInputShown is false, there is no IME button on the
+                                    // system bar.
+                                    // Thus there is no need to make it invisible explicitly.
+                                    mStatusBar.setIMEButtonVisible(true);
+                                }
                                 mCurMethod.changeInputMethodSubtype(subtype);
                             } catch (RemoteException e) {
                                 return;
diff --git a/services/java/com/android/server/StatusBarManagerService.java b/services/java/com/android/server/StatusBarManagerService.java
index 0eeef38..596db57 100644
--- a/services/java/com/android/server/StatusBarManagerService.java
+++ b/services/java/com/android/server/StatusBarManagerService.java
@@ -263,19 +263,20 @@ public class StatusBarManagerService extends IStatusBarService.Stub
         if (SPEW) Slog.d(TAG, (visible?"showing":"hiding") + " IME Button");
 
         synchronized(mLock) {
-            if (mIMEButtonVisible != visible) {
-                mIMEButtonVisible = visible;
-                mHandler.post(new Runnable() {
-                    public void run() {
-                        if (mBar != null) {
-                            try {
-                                mBar.setIMEButtonVisible(visible);
-                            } catch (RemoteException ex) {
-                            }
+            // In case of IME change, we need to call up setIMEButtonVisible() regardless of
+            // mIMEButtonVisible because mIMEButtonVisible may not have been set to false when the
+            // previous IME was destroyed.
+            mIMEButtonVisible = visible;
+            mHandler.post(new Runnable() {
+                public void run() {
+                    if (mBar != null) {
+                        try {
+                            mBar.setIMEButtonVisible(visible);
+                        } catch (RemoteException ex) {
                         }
                     }
-                });
-            }
+                }
+            });
         }
     }
 
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