1 files changed, 104 insertions, 0 deletions
diff --git a/services/java/com/android/server/status/widget/SyncButton.java b/services/java/com/android/server/status/widget/SyncButton.java
new file mode 100755
index 0000000..f7de226
--- /dev/null
+++ b/services/java/com/android/server/status/widget/SyncButton.java
@@ -0,0 +1,104 @@
+package com.android.server.status.widget;
+
+import com.android.internal.R;
+import com.android.server.status.widget.PowerButton;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.net.ConnectivityManager;
+
+public class SyncButton extends PowerButton {
+
+    static SyncButton ownButton=null;
+
+    /**
+     * Toggle auto-sync
+     * 
+     * @param context
+     */
+    public void toggleState(Context context) {
+        ConnectivityManager connManager = (ConnectivityManager) context
+        .getSystemService(Context.CONNECTIVITY_SERVICE);
+        boolean backgroundData = getBackgroundDataState(context);
+        boolean sync = ContentResolver.getMasterSyncAutomatically();
+
+        // four cases to handle:
+        // setting toggled from off to on:
+        // 1. background data was off, sync was off: turn on both
+        if (!backgroundData && !sync) {
+            connManager.setBackgroundDataSetting(true);
+            ContentResolver.setMasterSyncAutomatically(true);
+        }
+
+        // 2. background data was off, sync was on: turn on background data
+        if (!backgroundData && sync) {
+            connManager.setBackgroundDataSetting(true);
+        }
+
+        // 3. background data was on, sync was off: turn on sync
+        if (backgroundData && !sync) {
+            ContentResolver.setMasterSyncAutomatically(true);
+        }
+
+        // setting toggled from on to off:
+        // 4. background data was on, sync was on: turn off sync
+        if (backgroundData && sync) {
+            ContentResolver.setMasterSyncAutomatically(false);
+        }
+    }
+
+    public void toggleState(Context context, int newState) {
+        if(getSync(context) && newState==PowerButton.STATE_DISABLED) {
+            toggleState(context);
+        } else if(!getSync(context) && newState==PowerButton.STATE_ENABLED) {
+            toggleState(context);
+        }
+    }
+
+    /**
+     * Gets the state of background data.
+     * 
+     * @param context
+     * @return true if enabled
+     */
+    private static boolean getBackgroundDataState(Context context) {
+        ConnectivityManager connManager = (ConnectivityManager) context
+        .getSystemService(Context.CONNECTIVITY_SERVICE);
+        return connManager.getBackgroundDataSetting();
+    }
+
+    /**
+     * Gets the state of auto-sync.
+     * 
+     * @param context
+     * @return true if enabled
+     */
+    private static boolean getSync(Context context) {
+        boolean backgroundData = getBackgroundDataState(context);
+        boolean sync = ContentResolver.getMasterSyncAutomatically();
+        return backgroundData && sync;
+    }
+
+
+
+    public void updateState(Context context) {
+        if (getSync(context)) {
+            currentIcon = R.drawable.stat_sync_on;
+            currentState = PowerButton.STATE_ENABLED;
+        } else {
+            currentIcon = R.drawable.stat_sync_off;
+            currentState = PowerButton.STATE_DISABLED;
+        }
+    }
+
+    public static SyncButton getInstance() {
+        if (ownButton == null) ownButton = new SyncButton();
+        return ownButton;
+    }
+
+    @Override
+    void initButton(int poisition) {
+    }
+
+}