Merge "Status Bar: Register for rotation lock status updates." into jb-dev

Author: John Spurlock

packages/SystemUI/src/com/android/systemui/statusbar/policy/AutoRotateController.java

@@ -18,32 +18,40 @@
 
 import android.content.ContentResolver;
 import android.content.Context;
+import android.database.ContentObserver;
 import android.os.AsyncTask;
+import android.os.Handler;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.provider.Settings;
 import android.util.Log;
-import android.util.Slog;
 import android.view.IWindowManager;
 import android.widget.CompoundButton;
 
-/**
- * TODO: Listen for changes to the setting.
- */
 public class AutoRotateController implements CompoundButton.OnCheckedChangeListener {
     private static final String TAG = "StatusBar.AutoRotateController";
 
-    private Context mContext;
-    private CompoundButton mCheckBox;
+    private final Context mContext;
+    private final CompoundButton mCheckbox;
 
     private boolean mAutoRotation;
 
+    private ContentObserver mAccelerometerRotationObserver = new ContentObserver(new Handler()) {
+        @Override
+        public void onChange(boolean selfChange) {
+            updateCheckbox();
+        }
+    };
+
     public AutoRotateController(Context context, CompoundButton checkbox) {
         mContext = context;
-        mAutoRotation = getAutoRotation();
-        mCheckBox = checkbox;
-        checkbox.setChecked(mAutoRotation);
-        checkbox.setOnCheckedChangeListener(this);
+        mCheckbox = checkbox;
+        updateCheckbox();
+        mCheckbox.setOnCheckedChangeListener(this);
+
+        mContext.getContentResolver().registerContentObserver(
+                Settings.System.getUriFor(Settings.System.ACCELEROMETER_ROTATION), true,
+                mAccelerometerRotationObserver);
     }
 
     public void onCheckedChanged(CompoundButton view, boolean checked) {
@@ -52,6 +60,15 @@ public void onCheckedChanged(CompoundButton view, boolean checked) {
         }
     }
 
+    public void release() {
+        mContext.getContentResolver().unregisterContentObserver(mAccelerometerRotationObserver);
+    }
+
+    private void updateCheckbox() {
+        mAutoRotation = getAutoRotation();
+        mCheckbox.setChecked(mAutoRotation);
+    }
+
     private boolean getAutoRotation() {
         ContentResolver cr = mContext.getContentResolver();
         return 0 != Settings.System.getInt(cr, Settings.System.ACCELEROMETER_ROTATION, 0);

packages/SystemUI/src/com/android/systemui/statusbar/tablet/SettingsView.java

@@ -75,6 +75,7 @@ protected void onDetachedFromWindow() {
         super.onDetachedFromWindow();
         mAirplane.release();
         mDoNotDisturb.release();
+        mRotate.release();
     }
 
     public void onClick(View v) {