Reload content description of KeyButtonView

Reload the content description whenever the
configuration changes.

Bug: 24977838
Change-Id: I875f0d83976b7d007a9bb2e56b28ff8fb6365a38

2 files changed, 19 insertions, 0 deletions

diff --git a/packages/SystemUI/res/values/attrs.xml b/packages/SystemUI/res/values/attrs.xml
index 527248c..49f7bdb 100644
--- a/packages/SystemUI/res/values/attrs.xml
+++ b/packages/SystemUI/res/values/attrs.xml
@@ -20,6 +20,7 @@
         <attr name="keyCode" format="integer" />
         <!-- does this button generate longpress / repeat events? -->
         <attr name="keyRepeat" format="boolean" />
+        <attr name="android:contentDescription" />
     </declare-styleable>
     <declare-styleable name="ToggleSlider">
         <attr name="text" format="string" />
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java
index 4c99792..4d268ce 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java
@@ -18,12 +18,14 @@ package com.android.systemui.statusbar.policy;
 
 import android.app.ActivityManager;
 import android.content.Context;
+import android.content.res.Configuration;
 import android.content.res.TypedArray;
 import android.hardware.input.InputManager;
 import android.media.AudioManager;
 import android.os.Bundle;
 import android.os.SystemClock;
 import android.util.AttributeSet;
+import android.util.TypedValue;
 import android.view.HapticFeedbackConstants;
 import android.view.InputDevice;
 import android.view.KeyCharacterMap;
@@ -43,6 +45,7 @@ import static android.view.accessibility.AccessibilityNodeInfo.ACTION_LONG_CLICK
 
 public class KeyButtonView extends ImageView {
 
+    private int mContentDescriptionRes;
     private long mDownTime;
     private int mCode;
     private int mTouchSlop;
@@ -79,8 +82,14 @@ public class KeyButtonView extends ImageView {
 
         mSupportsLongpress = a.getBoolean(R.styleable.KeyButtonView_keyRepeat, true);
 
+        TypedValue value = new TypedValue();
+        if (a.getValue(R.styleable.KeyButtonView_android_contentDescription, value)) {
+            mContentDescriptionRes = value.resourceId;
+        }
+
         a.recycle();
 
+
         setClickable(true);
         mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
         mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
@@ -88,6 +97,15 @@ public class KeyButtonView extends ImageView {
     }
 
     @Override
+    protected void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+
+        if (mContentDescriptionRes != 0) {
+            setContentDescription(mContext.getString(mContentDescriptionRes));
+        }
+    }
+
+    @Override
     public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
         super.onInitializeAccessibilityNodeInfo(info);
         if (mCode != 0) {