Merge "Add handler callbacks to StateMachine" (9a2b9f61) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/util/StateMachine.java

+17 −0

Original line number	Diff line number	Diff line
		@@ -778,6 +778,7 @@ public class StateMachine {
		*/
		@Override
		public final void handleMessage(Message msg) {
		mSm.onPreHandleMessage(msg);
		if (!mHasQuit) {
		if (mDbg) mSm.log("handleMessage: E msg.what=" + msg.what);

		@@ -803,6 +804,7 @@ public class StateMachine {
		// We need to check if mSm == null here as we could be quitting.
		if (mDbg && mSm != null) mSm.log("handleMessage: X");
		}
		mSm.onPostHandleMessage(msg);
		}

		/**
		@@ -1273,6 +1275,21 @@ public class StateMachine {
		initStateMachine(name, handler.getLooper());
		}

		/**
		* Notifies subclass that the StateMachine handler is about to process the Message msg
		* @param msg The message that is being handled
		*/
		protected void onPreHandleMessage(Message msg) {
		}

		/**
		* Notifies subclass that the StateMachine handler has finished processing the Message msg and
		* has possibly transitioned to a new state.
		* @param msg The message that is being handled
		*/
		protected void onPostHandleMessage(Message msg) {
		}

		/**
		* Add a new state to the state machine
		* @param state the state to add