Added broadcasts for external power events.

core/java/android/content/Intent.java

@@ -507,6 +507,8 @@ import java.util.Set;
  *     <li> {@link #ACTION_PACKAGE_REMOVED}
  *     <li> {@link #ACTION_UID_REMOVED}
  *     <li> {@link #ACTION_BATTERY_CHANGED}
+ *     <li> {@link #ACTION_POWER_CONNECTED}
+ *     <li> {@link #ACTION_POWER_DISCONNECTED} 
  * </ul>
  *
  * <h3>Standard Categories</h3>
@@ -1177,6 +1179,24 @@ public class Intent implements Parcelable {
      */
     @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
     public static final String ACTION_BATTERY_LOW = "android.intent.action.BATTERY_LOW";
+    /**
+     * Broadcast Action:  External power has been connected to the device.
+     * This is intended for applications that wish to register specifically to this notification.
+     * Unlike ACTION_BATTERY_CHANGED, applications will be woken for this and so do not have to
+     * stay active to receive this notification.  This action can be used to implement actions
+     * that wait until power is available to trigger.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_POWER_CONNECTED = "android.intent.action.ACTION_POWER_CONNECTED";
+    /**
+     * Broadcast Action:  External power has been removed from the device.
+     * This is intended for applications that wish to register specifically to this notification.
+     * Unlike ACTION_BATTERY_CHANGED, applications will be woken for this and so do not have to
+     * stay active to receive this notification.  This action can be used to implement actions
+     * that wait until power is available to trigger. 
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_POWER_DISCONNECTED = "android.intent.action.ACTION_POWER_DISCONNECTED";    
     /**
      * Broadcast Action:  Indicates low memory condition on the device
      */

services/java/com/android/server/BatteryService.java

@@ -149,6 +149,16 @@ class BatteryService extends Binder {
                         mBatteryLevel, mBatteryVoltage, mBatteryTemperature);
             }
             
+            // Separate broadcast is sent for power connected / not connected
+            // since the standard intent will not wake any applications and some
+            // applications may want to have smart behavior based on this.
+            if (mPlugType != 0 && mLastPlugType == 0) {
+                mContext.sendBroadcast(new Intent(Intent.ACTION_POWER_CONNECTED));
+            }
+            else if (mPlugType == 0 && mLastPlugType != 0) {
+                mContext.sendBroadcast(new Intent(Intent.ACTION_POWER_DISCONNECTED));
+            }
+            
             mLastBatteryStatus = mBatteryStatus;
             mLastBatteryHealth = mBatteryHealth;
             mLastBatteryPresent = mBatteryPresent;