From a758ba6be9278a7038ee0ed81e5b790034d31c92 Mon Sep 17 00:00:00 2001
From: Jason Monk <jmonk@google.com>
Date: Tue, 14 Jul 2015 12:29:28 -0400
Subject: [PATCH] Fix QS labels on language change

Some tiles now won't do updates if the state hasn't changed (rotation) to avoid
breaking the animation state. To handle this, state is cleared when the
configuration changes.

Bug: 22206214
Change-Id: I029fb4c75cc920a6c9907b65e8c48d28c21d529a
---
 .../src/com/android/systemui/qs/QSPanel.java    |  3 +++
 .../src/com/android/systemui/qs/QSTile.java     | 17 +++++++++++++++--
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
index 2ded9194d32da..94d517086789c 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
@@ -158,6 +158,9 @@ public class QSPanel extends ViewGroup {
             mColumns = columns;
             postInvalidate();
         }
+        for (TileRecord r : mRecords) {
+            r.tile.clearState();
+        }
         if (mListening) {
             refreshAllTiles();
         }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSTile.java b/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
index 38fade21390f4..b330582089c4a 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
@@ -61,8 +61,8 @@ public abstract class QSTile<TState extends State> implements Listenable {
     protected final Handler mUiHandler = new Handler(Looper.getMainLooper());
 
     private Callback mCallback;
-    protected final TState mState = newTileState();
-    private final TState mTmpState = newTileState();
+    protected TState mState = newTileState();
+    private TState mTmpState = newTileState();
     private boolean mAnnounceNextStateChange;
 
     abstract protected TState newTileState();
@@ -139,6 +139,10 @@ public abstract class QSTile<TState extends State> implements Listenable {
         mHandler.obtainMessage(H.REFRESH_STATE, arg).sendToTarget();
     }
 
+    public final void clearState() {
+        mHandler.sendEmptyMessage(H.CLEAR_STATE);
+    }
+
     public void userSwitch(int newUserId) {
         mHandler.obtainMessage(H.USER_SWITCH, newUserId, 0).sendToTarget();
     }
@@ -178,6 +182,11 @@ public abstract class QSTile<TState extends State> implements Listenable {
         // optional
     }
 
+    protected void handleClearState() {
+        mTmpState = newTileState();
+        mState = newTileState();
+    }
+
     protected void handleRefreshState(Object arg) {
         handleUpdateState(mTmpState, arg);
         final boolean changed = mTmpState.copyTo(mState);
@@ -246,6 +255,7 @@ public abstract class QSTile<TState extends State> implements Listenable {
         private static final int TOGGLE_STATE_CHANGED = 8;
         private static final int SCAN_STATE_CHANGED = 9;
         private static final int DESTROY = 10;
+        private static final int CLEAR_STATE = 11;
 
         private H(Looper looper) {
             super(looper);
@@ -286,6 +296,9 @@ public abstract class QSTile<TState extends State> implements Listenable {
                 } else if (msg.what == DESTROY) {
                     name = "handleDestroy";
                     handleDestroy();
+                } else if (msg.what == CLEAR_STATE) {
+                    name = "handleClearState";
+                    handleClearState();
                 } else {
                     throw new IllegalArgumentException("Unknown msg: " + msg.what);
                 }