--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/Client/inc/alfcommandscheduler.h	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,207 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:   Command scheduler.
+*
+*/
+
+
+
+#ifndef C_ALFCOMMANDSCHEDULER_H
+#define C_ALFCOMMANDSCHEDULER_H
+
+#include <e32base.h>
+#include <alf/alfcommand.h>
+#include <hwrmlight.h>
+
+class CAlfEnv;
+
+/**
+ *  Command scheduler.
+ *
+ *  Schedules the commands (see alfcommand.h) which are send to 
+ *  to the environment class with a timeout != 0.
+ *
+ *  @since S60 v3.2
+ */
+NONSHARABLE_CLASS( CAlfCommandScheduler ) : 
+    public CBase, 
+    public MHWRMLightObserver
+    {
+
+public:
+
+    /**
+     * Constructor
+     */
+    static CAlfCommandScheduler* NewL( CAlfEnv& aEnv );
+
+    /**
+     * Destructor
+     */
+    virtual ~CAlfCommandScheduler();
+
+    /**
+     * Executes given command in given time.
+     *
+     * @param aCommand Command to execute.
+     * @param aTimeInMilliSeconds Time to execution.
+     */
+    void ScheduleCommandL( const TAlfCommand& aCommand, 
+                           TInt aTimeInMilliSeconds );
+    
+    /**
+     * Cancel all commands for given object.
+     *
+     * @param aObject All commands associated to this object are cancelled.
+     */
+    void CancelCommands( TAny* aObject );
+    
+    /**
+     * Cancels all commands for the given object with given operation.
+     *
+     * @param aObject Associated object.
+     * @param aCommandOperation Operation which is cancelled.
+     */
+    void CancelCommands( TAny* aObject, TAlfOp aCommandOperation);
+    
+    /**
+     * Cancels all commands for the given object with given type and paramter.
+     *
+     * @param aObject Associated object.
+     * @param aCommandType Command type.
+     * @param aParam Custom parater (only checked if 
+     *               aCommandType equals EAlfCommandTypeCustomEvent)
+     */
+    void CancelCommands( TAny* aObject, 
+                         TAlfCommandType aCommandType, 
+                         TInt aParam );
+    
+    /**
+     * Calculates the milliseconds until the command.
+     * 
+     * @param aObject Associated object.
+     * @return Time left in milliseconds to the first found command, which 
+     *         matched the criteria. KErrNotFound if the none found. The return
+     *         value is set to 0 if the command timer has expired and waits
+     *         execution from the active scheduler.
+     */ 
+    TInt MilliSecondsUntilCommand( 
+        TAny* aObject );
+                             
+    /**
+     * Calculates the milliseconds until the command.
+     * 
+     * @param aObject Associated object.
+     * @param aCommandOperation Operation which is checked.
+     * @return Time left in milliseconds to the first found command, which 
+     *         matched the criteria. KErrNotFound if the none found. The return
+     *         value is set to 0 if the command timer has expired and waits
+     *         execution from the active scheduler.
+     */ 
+    TInt MilliSecondsUntilCommand( 
+        TAny* aObject, 
+        TAlfOp aCommandOperation );
+      
+    /**
+     * Calculates the milliseconds until the command.
+     * 
+     * @param aObject Associated object.
+     * @param aCommandType Command type.
+     * @param aParam Custom parater (only checked if 
+     *               aCommandType equals EAlfCommandTypeCustomEvent)
+     * @return Time left in milliseconds to the first found command, which 
+     *         matched the criteria. KErrNotFound if the none found. The return
+     *         value is set to 0 if the command timer has expired and waits
+     *         execution from the active scheduler.
+     */   
+    TInt MilliSecondsUntilCommand( 
+        TAny* aObject, 
+        TAlfCommandType aCommandType, 
+        TInt aParam );
+    
+    /**
+     * Executes the command. Called when timer triggers.
+     *
+     * @param aCommand Command to execute.
+     */
+    void ExecuteEventL( TAlfCommand& aCommand );
+    
+    /**
+     * Called when the application foreground status changes.
+     *
+     * @param aForeground ETrue if the application is (partially) on foreground.
+     */
+    void AppicationOnForeground( TBool aForeground );
+    
+    /**
+     * From MHWRMLightObserver
+     *
+     * Called when display light status changes.
+     */
+    void LightStatusChanged(TInt aTarget, CHWRMLight::TLightStatus aStatus);
+ 
+private:
+
+    CAlfCommandScheduler( CAlfEnv& aEnv);
+
+    void ConstructL();
+    
+    void UpdateSchedulerState();
+    void Run();
+    void Pause();
+
+private: // data
+
+    // Timed command class.
+    class CTimedEvent : public CTimer
+        {
+    public:
+        static CTimedEvent* NewLC( 
+            const TAlfCommand& aCommand,
+            CAlfCommandScheduler& aScheduler );
+        ~CTimedEvent();
+        
+        void ExecuteAfter( TInt aIntervalInMilliSeconds, TBool aStartPaused );
+        void Pause();
+        void Continue();
+        TInt TimeLeftInMilliSeconds() const;
+        
+    protected:
+        CTimedEvent( CAlfCommandScheduler& aScheduler );
+        void ConstructL(const TAlfCommand& aCommand);
+        void RunL();
+        TInt RunError(TInt aError);
+    public:
+        TAlfCommand* iCommand;
+    private:
+        CAlfCommandScheduler& iScheduler;
+        TTime iLastStartTime;
+        TInt iTimeLeftInMilliSeconds;
+        };
+      
+    // Timed commands.  
+    RPointerArray<CTimedEvent> iEvents;
+    
+    // Environment.
+    CAlfEnv& iEnv;
+        
+    // Internal flags.
+    TUint iFlags;
+    
+    // Light controller/observer. Own.
+    CHWRMLight* iLight; 
+    };
+
+
+#endif // C_ALFCOMMANDSCHEDULER_H