diff -r 45459746d5e8 -r 27f2d7aec52a ui/viewmanagement/statehandler/inc/glxgridstate.h
--- a/ui/viewmanagement/statehandler/inc/glxgridstate.h	Mon Sep 27 15:13:20 2010 +0530
+++ b/ui/viewmanagement/statehandler/inc/glxgridstate.h	Wed Oct 06 14:49:39 2010 +0530
@@ -27,11 +27,46 @@
 class GlxGridState : public GlxState
 {
 public :
-	GlxGridState(GlxStateManager *stateManager, GlxState *preState = NULL);
+    /**
+     * Constructor 
+     * @param pointor of state manager
+     * @param - previous state
+     */
+	GlxGridState( GlxStateManager *stateManager, GlxState *preState = NULL );
+	
+    /**
+     * state() - This funtion return the internal state of a state
+     * @return - internal state
+     */	
 	int state() const { return (int) mState; }
-	void setState(int internalState) { mState = (GridState) internalState; }
-	void eventHandler(qint32 &id);
-	void setTranstionParameter(NavigationDir dir, GlxEffect &effect, GlxViewEffect &viewEffect);
+	
+    /** 
+     * setState() - This funtion use for set the internal state of a state
+     * @param - internal state of the state
+     */	
+	void setState( int internalState ) { mState = (GridState) internalState; }
+	
+    /**
+     * eventHandler() - It is event handler of the grid state
+     * @param - command or event id
+     */	
+	void eventHandler( qint32 &id );
+	
+    /**
+     * setTranstionParameter() - This function set the view transtion effect parameter.
+     * These values is use to run the animation during view transition.
+     * In the case of forward direction it should call with the next state and in the case of back ward direction
+     * it should call with the current state
+     * @param View transtion id
+     * @param to play the animation on which views
+     */
+     void setTranstionParameter( NavigationDir dir, GlxEffect &effect, GlxViewEffect &viewEffect );
+
+    /**
+     * commandId() - it will return the current runing command id
+     * @reutn - command id
+     */
+     qint32 commandId( ) { return mCommandId; }
 	
 signals :    
 
@@ -42,16 +77,29 @@
 private slots:
 
 private:
+    /**
+     * defaultEventHandler() - It is a common event handler used for all the internal states.
+     * @param - command or event id
+     */
 	void defaultEventHandler ( qint32 &id );
+
+    /**
+     * allItemEventHandler() - It is a event handler used for All and fetcher internal states.
+     * @param - command or event id
+     */
 	void allItemEventHandler ( qint32 &id );
+
+    /**
+     * albumItemEventHandler() - It is a event handler used for album and fetcher album interanl states.
+     * @param - command or event id
+     */
 	void albumItemEventHandler ( qint32 &id );
 
-private:
-	//grid internal state
-	GridState mState; 	
-	GlxStateManager *mStateManager;
-	bool mIsMarkingMode;
-	qint32 mCommandId;  //commandID, save the command before entering into the marking mode for next user interaction
+private :
+	GridState mState; 	            // grid internal state
+	GlxStateManager *mStateManager; // state manager
+	bool mIsMarkingMode;            // marking mode status
+	qint32 mCommandId;              //commandID, save the command before entering into the marking mode for next user interaction
 };