--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/callcontinuity/vcchotrigger/inc/vcchotrigger.h	Mon Jan 18 20:12:36 2010 +0200
@@ -0,0 +1,374 @@
+/*
+* Copyright (c) 2007-2008 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:   Definition of the class which handles handover triggering.
+*
+*/
+
+
+
+#ifndef C_VCCHOTRIGGER_H
+#define C_VCCHOTRIGGER_H
+
+
+#include <e32base.h>
+#include <e32std.h>
+#include <wlanmgmtcommon.h>
+
+#include "vccsignallevelobserver.h"
+#include "vcccchobserver.h"
+#include "vcchopolicy.h"
+#include "vccunittesting.h"
+
+class CVccUiPsProperty;
+class CVccWlanSignalLevelHandler;
+class CVccGsmSignalLevelHandler;
+class CVccHoPolicyReader;
+class CVccCchMonitor;
+class CVccEngPsProperty;
+class CVccPerformer;
+
+/**
+ *  This class handles the triggering of the handover from
+ *  one network to another.
+ *
+ *
+ *  @code
+ *   CMyClass::ConstructL()
+ *       {
+ *       iHoTrigger = CVccHoTrigger::NewL();
+ *       }
+ *
+ *   CMyClass::FunctionL()
+ *       {
+ *       iHoTrigger->Start();
+ *       }
+ *
+ *   CMyClass::DomainChanged()
+ *       {
+ *       // Use swapped the domain of an active call
+ *       iHoTrigger->SetCurrentDomain( iActiveCallDomain );
+ *       }
+ *
+ *   CMyClass::CallPutToHold()
+ *       {
+ *       // Stop all network monitoring.
+ *       iHoTrigger->Stop();
+ *       }
+ *
+ *   CMyClass::CallActivated()
+ *       {
+ *       // Start all network monitors
+ *       iHoTrigger->Start();
+ *       }
+ *
+ *   CMyClass::~CMyClass()
+ *       {
+ *       delete iHoTrigger;
+ *       }
+ *
+ *  @endcode
+ *
+ *  @lib vcchotrigger.lib
+ *  @since S60 v3.2
+ */
+class CVccHoTrigger : public CBase,
+                      public MVccSignalLevelObserver,
+                      public MVccCchObserver
+    {
+
+public:
+
+
+    /** Domain types */
+    enum TCallDomainType
+        {
+        /** PS domain */
+        ECallDomainTypePS,
+        /** CS domain */
+        ECallDomainTypeCS
+        };
+
+
+    /**
+     * Two-phased constructor.
+     */
+    IMPORT_C static CVccHoTrigger* NewL();
+
+    /**
+     * Destructor.
+     */
+    virtual ~CVccHoTrigger();
+
+
+    /**
+     * Stop all network monitors
+     *
+     * @since S60 v3.2
+     */
+    IMPORT_C void Stop();
+    
+    /**
+     * Stop all network monitors
+     *
+     * @since S60 v3.2
+     */
+    IMPORT_C void Stop( CVccPerformer& aStopper );
+
+    /**
+     * Start all network monitors
+     *
+     * @since S60 v3.2
+     */
+    IMPORT_C void Start( CVccPerformer& aWhoStartedMe, TBool aCsOriginated );
+
+    /**
+     * Set the current domain of the active call
+     *
+     * @since S60 v3.2
+     * @param aDomainType is the domain of the current (active) call.
+     */
+    IMPORT_C void SetCurrentDomainType( TCallDomainType aDomainType );
+
+    /**
+     * Set the preferred domain of the active call
+     * 
+     * @since S60 v3.2
+     * @param aDomainType is the callīs preferred domain type.
+     */
+    IMPORT_C void SetPreferredDomainType( TVccHoPolicyPreferredDomain aDomainType );
+
+    
+    /**
+     * Set immediate domain transfer setting
+     * 
+     * @since S60 v3.2
+     * @param aDomainType is the callīs preferred domain type.
+     */
+    IMPORT_C void SetImmediateDomainTransfer( TBool aImmediateDT );
+        
+// from base class MVccSignalLevelObserver
+
+    /**
+     * @see MVccSignalLevelObserver::WlanSignalChanged()
+     */
+    void WlanSignalChanged( TInt32 aSignalStrength,
+            TSignalStrengthClass aClass );
+
+    /**
+     * @see MVccSignalLevelObserver::GsmSignalChanged()
+     */
+    void GsmSignalChanged( TInt32 aSignalStrength,
+            TSignalStrengthClass aClass );
+
+// from base class MVccCchMonitorObserver
+
+    /**
+     * @see MVccCchMonitorObserver::CchServiceStatusChanged
+     */
+    void CchServiceStatusChanged( TServiceStatus aStatus );
+    
+public:
+    /**
+     * When manual handover is started no automatic handovers should
+     * be made.
+     *
+     * @since S60 3.2
+     */
+    IMPORT_C void ManualHoCallStarted();
+
+    /**
+     * After manual handover call has been released, automatic
+     * handovers can be made again.
+     *
+     * @since S60 3.2
+     */
+    IMPORT_C void ManualHoCallReleased();
+
+    /**
+     * During conference call HO is not allowed
+     *
+     * @since S60 3.2
+     */
+    IMPORT_C void HoNotAllowedL();
+    
+    /**
+     * After conference call HO is allowed again
+     *
+     * @since S60 3.2
+     */
+    IMPORT_C void HoAllowed();
+    
+    /**
+     * Reads the settings to get the info if ho is allowed when cs originated call
+     * @since s60 3.2
+     */
+    IMPORT_C void ReadHoAllowedWhenCsOriginatedSettingL();
+    
+private:
+
+    /**
+     * C++ constructor
+     *
+     * @since S60 v3.2
+     */
+    CVccHoTrigger();
+
+    /**
+     * Symbian second-phase constructor
+     *
+     * @since S60 v3.2
+     */
+    void ConstructL();
+    
+    /**
+     * Check if PS or CS are available (to do handover).
+     * 
+     * @since S60 v3.2
+     * @return ETrue if service is available, else return EFalse
+     */
+    TBool ServicesAvailable();
+    
+    /**
+     * Update (write) service status state to P&S.
+     * 
+     * @since S60 v3.2
+     */
+    void UpdatePsKeysL();
+
+    /**
+     * Initiates the actual handover if its ok to start ho.
+     * 
+     * @since S60 v3.2
+     */
+    void TriggerHo();
+    
+    /**
+     * Initiate immediate ho.
+     * 
+     * @since S60 v3.2
+     * @return ETrue if immediate HO was initiated, EFalse otherwise
+     */
+    TBool DoImmediateHo();
+
+private: // data
+
+
+    /**
+     * VCC P&S key manager for UI side
+     * Own.
+     */
+    CVccUiPsProperty* iProperty;
+    
+    /**
+     * PS property writer to write TVccHoStatus values
+     * Own.
+     */
+    CVccEngPsProperty* iEngPsProperty;
+
+    /**
+     * VCC Wlan signal level observer
+     * Own.
+     */
+    CVccWlanSignalLevelHandler* iWlanSignalLevelHandler;
+
+    /**
+     * VCC GSM signal level observer
+     * Own.
+     */
+    CVccGsmSignalLevelHandler* iGsmSignalLevelHandler;
+
+    /**
+     * Call domain type
+     */
+    TCallDomainType iDomainType;
+
+
+    /**
+     * GSM signal class
+     */
+    TSignalStrengthClass iGsmClass;
+
+    /**
+     * Previous GSM signal class
+     */
+    TSignalStrengthClass iPreviousGsmClass;
+    
+    /**
+     * WLAN signal class.
+     */
+    TSignalStrengthClass iWlanClass;
+    
+    /**
+     * Previous WLAN signal class.
+     */
+    TSignalStrengthClass iPreviousWlanClass;
+    
+    /**
+     * CenRep reader for VCC HO policy
+     * Own.
+     */
+    CVccHoPolicyReader* iHoPolicyReader;
+    
+    /** VCC HO policy */
+    TVccHoPolicy iPolicy;
+    
+    /**
+     * CCH monitor.
+     * Own
+     */
+    CVccCchMonitor* iCchMonitor;
+    
+    /**
+     * CCH status (PS service availability)
+     */
+    MVccCchObserver::TServiceStatus iCchServiceStatus;
+    
+    /**
+     * CS status (i.e. signal level)
+     */
+    TInt iCsSignalLevel;
+    
+    /**
+     * Are we stopped or active (i.e. monitoring)
+     */
+    TBool iStarted;
+    
+    /**
+     * Has manual ho been made
+     */
+    TBool iManualHoDone;
+    
+    /**
+     * Ho allowed or not (conference, video, data, multimedia sharing)
+     */
+    TBool iHoNotAllowed;
+    
+    /**
+     * Performer that started trigger
+     * Not own.
+     */
+    CVccPerformer* iWhoStartedMe;
+    
+    /*
+     * Is ho allowed if the originating domain of the 
+     * original call was CS
+     */
+    TBool iHoAllowedIfCsOriginated;
+    
+    friend class T_CVccPerformer;
+    
+    VCC_UNITTEST( UT_CVccHoTrigger )
+    };
+
+#endif //  C_VCCHOTRIGGER_H