// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).+
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// All rights reserved.+
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// This component and the accompanying materials are made available+
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// under the terms of "Eclipse Public License v1.0"+
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// which accompanies this distribution, and is available+
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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//+
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// Initial Contributors:+
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// Nokia Corporation - initial contribution.+
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//+
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// Contributors:+
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//+
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// Description:+
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//+
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+
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#ifndef PANAGTSTATES_H+
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#define PANAGTSTATES_H+
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+
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/**+
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@file+
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@note PAN agent role state machine state definitions+
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*/+
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+
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#include "panagt.h"+
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#include "panroles.h"+
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+
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namespace PanAgent+
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/**+
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@internalComponent+
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@released+
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@since v8.1+
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*/+
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{+
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+
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NONSHARABLE_CLASS(CPanAgtStateUninitialised) : public CPanAgtStateBase+
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/**+
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@internalComponent+
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*/+
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	{+
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public:+
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	static CPanAgtStateBase* NewL(MPanAgtStateMachineNotify& aStateMachine);+
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	void OnEntryL();+
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+
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private:+
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	CPanAgtStateUninitialised(MPanAgtStateMachineNotify& aStateMachine);+
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	};+
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+
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NONSHARABLE_CLASS(CPanAgentStateInitialising) : public CPanAgtStateBase+
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/**+
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Bootstrap the connection - create the incoming and outgoing connection starter objects as required+
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@note Outgoing connections must be started here, as opposed to the idle state, to allow transitions+
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back to the idle state without triggering more outgoing connections+
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@internalComponent+
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*/+
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	{+
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public:+
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	static CPanAgtStateBase* NewL(MPanAgtStateMachineNotify& aStateMachine);+
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	void OnEntryL();+
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+
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protected:+
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	void DoStartOutgoingL();+
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private:+
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	CPanAgentStateInitialising(MPanAgtStateMachineNotify& aStateMachine);+
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	};+
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	+
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NONSHARABLE_CLASS(CPanAgtStateIdle) : public CPanAgtStateBase+
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/**+
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Idle state - waiting for role request from someone (either local or remote device(s))+
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@internalComponent+
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*/+
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	{+
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public:+
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	static CPanAgtStateBase* NewL(MPanAgtStateMachineNotify& aStateMachine);+
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	void OnEntryL();+
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+
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	// MRemoteDeviceNotify methods+
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	virtual void InitiateOutgoingConnectionL(TBluetoothPanRole& aLocalRole, TBluetoothPanRole& aRemoteRole, TPanDeviceWorthTryingRolesList& aWorthTryingRemoteRoles);+
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	virtual void IncomingConnectionFromPeerL(TBluetoothPanRole aLocalRole);+
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+
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	virtual void DeviceDisconnectedL(CPanRemoteDeviceStateMachine& aDevice);+
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	+
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private:+
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	CPanAgtStateIdle(MPanAgtStateMachineNotify& aStateMachine);+
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public:+
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+
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private:+
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+
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	};+
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	+
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NONSHARABLE_CLASS(CPanAgtStateNegotiatingURole) : public CPanAgtStateBase+
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/**+
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Attempting to switch to U role+
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@internalComponent+
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*/+
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	{+
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public:+
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	static CPanAgtStateBase* NewL(MPanAgtStateMachineNotify& aStateMachine);+
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	void OnEntryL();+
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+
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	// MRemoteDeviceNotify methods+
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	virtual void InitiateOutgoingConnectionL(TBluetoothPanRole& aLocalRole, TBluetoothPanRole& aRemoteRole, TPanDeviceWorthTryingRolesList& aWorthTryingRemoteRoles);+
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	virtual void IncomingConnectionFromPeerL(TBluetoothPanRole aLocalRole);+
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+
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	virtual void DeviceActiveL(CPanRemoteDeviceStateMachine& aDevice);+
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	virtual void DeviceDisconnectedL(CPanRemoteDeviceStateMachine& aDevice);+
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	+
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protected:+
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	CPanAgtStateNegotiatingURole(MPanAgtStateMachineNotify& aStateMachine, TPanAgtStates aStateNumber);+
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+
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private:+
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	CPanAgtStateNegotiatingURole(MPanAgtStateMachineNotify& aStateMachine);+
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public:+
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+
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private:+
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	};+
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	+
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NONSHARABLE_CLASS(CPanAgtStateURole) : public CPanAgtStateBase+
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/**+
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Outgoing U role+
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@internalComponent+
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*/+
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	{+
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public:+
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	static CPanAgtStateBase* NewL(MPanAgtStateMachineNotify& aStateMachine);+
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	void OnEntryL();+
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+
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	// MRemoteDeviceNotify methods+
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	virtual void InitiateOutgoingConnectionL(TBluetoothPanRole& aLocalRole, TBluetoothPanRole& aRemoteRole, TPanDeviceWorthTryingRolesList& aWorthTryingRemoteRoles);+
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	virtual void IncomingConnectionFromPeerL(TBluetoothPanRole aLocalRole);+
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	virtual void RoleChangeRequestFromPeerL(TBluetoothPanRole aLocalRole);+
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+
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	virtual void DeviceActiveL(CPanRemoteDeviceStateMachine& aDevice);+
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	virtual void DeviceDisconnectedL(CPanRemoteDeviceStateMachine& aDevice);+
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+
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	virtual void StateSendRoleNotification();+
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+
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private:+
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	CPanAgtStateURole(MPanAgtStateMachineNotify& aStateMachine);+
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public:+
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+
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private:+
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+
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	};+
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+
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NONSHARABLE_CLASS(CPanAgtStateRenegotiatingActiveConnectionToGnOrNapRoleAtOurBehest) : public CPanAgtStateBase+
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/**+
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We want to act in the GN/NAP role, so renegotiate with the active device (of which there can only+
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be one)+
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@pre We were in U mode, and we decided we needed to go to GN/NAP (if the other end decides to request +
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a role change, we handle it differently)+
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@note This occurs when a new device connects to us and we need to upgrade our role+
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@note Don't need to do any SDP U role deregistration in this state - there's an active device,+
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so we'll have already deregistered U role from SDP+
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@internalComponent+
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*/+
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	{+
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public:+
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	static CPanAgtStateBase* NewL(MPanAgtStateMachineNotify& aStateMachine);+
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	void OnEntryL();+
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+
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	// MRemoteDeviceNotify methods+
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	virtual void InitiateOutgoingConnectionL(TBluetoothPanRole& aLocalRole, TBluetoothPanRole& aRemoteRole, TPanDeviceWorthTryingRolesList& aWorthTryingRemoteRoles);+
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	virtual void IncomingConnectionFromPeerL(TBluetoothPanRole aLocalRole);+
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	virtual void RoleChangeRequestFromPeerL(TBluetoothPanRole aLocalRole);+
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	virtual void PerformLocalRoleChangeRequestL(TBluetoothPanRole& aLocalRole, TBluetoothPanRole& aRemoteRole);+
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+
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	virtual void DeviceActiveL(CPanRemoteDeviceStateMachine& aDevice);+
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	virtual void DeviceRoleChangeFailedL(CPanRemoteDeviceStateMachine& aDevice);+
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	virtual void DeviceDisconnectedL(CPanRemoteDeviceStateMachine& aDevice);+
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+
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private:+
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	CPanRemoteDeviceStateMachine& FindDeviceInActiveState();+
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	CPanAgtStateRenegotiatingActiveConnectionToGnOrNapRoleAtOurBehest(MPanAgtStateMachineNotify& aStateMachine);+
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public:+
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+
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private:+
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+
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	};+
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	+
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NONSHARABLE_CLASS(CPanAgtStateRenegotiatingActiveConnectionToURoleAtPeersBehest) : public CPanAgtStateBase+
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/**+
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The remote device is asking us to move to U role+
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@note Don't need to do any SDP U role deregistration in this state - there's an active device,+
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so we'll have already deregistered U role from SDP+
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@note There might well be a transition from U role state -> this -> U role state. This can be +
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caused by the peer trying to do a U-U -> U-GN/NAP upgrade (ie. we remain U throughout)+
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*/+
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	{+
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public:+
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	static CPanAgtStateBase* NewL(MPanAgtStateMachineNotify& aStateMachine);+
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	void OnEntryL();+
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+
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	// MRemoteDeviceNotify methods+
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	virtual void InitiateOutgoingConnectionL(TBluetoothPanRole& aLocalRole, TBluetoothPanRole& aRemoteRole, TPanDeviceWorthTryingRolesList& aWorthTryingRemoteRoles);+
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	virtual void IncomingConnectionFromPeerL(TBluetoothPanRole aLocalRole);+
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+
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	virtual void DeviceActiveL(CPanRemoteDeviceStateMachine& aDevice);+
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	virtual void DeviceRoleChangeFailedL(CPanRemoteDeviceStateMachine& aDevice);+
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	virtual void DeviceDisconnectedL(CPanRemoteDeviceStateMachine& aDevice);+
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+
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private:+
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	CPanAgtStateRenegotiatingActiveConnectionToURoleAtPeersBehest(MPanAgtStateMachineNotify& aStateMachine);+
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public:+
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+
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private:+
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	+
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	};+
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+
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NONSHARABLE_CLASS(CPanAgtStateRenegotiatingActiveConnectionToGnOrNapRoleAtPeersBehest) : public CPanAgtStateBase+
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/**+
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The remote device is asking us to move to GN/NAP role+
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@note Don't need to do any SDP U role deregistration in this state - there's an active device,+
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so we'll have already deregistered U role from SDP+
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*/+
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	{+
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public:+
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	static CPanAgtStateBase* NewL(MPanAgtStateMachineNotify& aStateMachine);+
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	void OnEntryL();+
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+
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	// MRemoteDeviceNotify methods+
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	virtual void InitiateOutgoingConnectionL(TBluetoothPanRole& aLocalRole, TBluetoothPanRole& aRemoteRole, TPanDeviceWorthTryingRolesList& aWorthTryingRemoteRoles);+
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	virtual void IncomingConnectionFromPeerL(TBluetoothPanRole aLocalRole);+
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+
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	virtual void DeviceActiveL(CPanRemoteDeviceStateMachine& aDevice);+
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	virtual void DeviceRoleChangeFailedL(CPanRemoteDeviceStateMachine& aDevice);+
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	virtual void DeviceDisconnectedL(CPanRemoteDeviceStateMachine& aDevice);+
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+
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private:+
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	CPanAgtStateRenegotiatingActiveConnectionToGnOrNapRoleAtPeersBehest(MPanAgtStateMachineNotify& aStateMachine);+
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public:+
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+
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private:+
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	+
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	};+
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+
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	+
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NONSHARABLE_CLASS(CPanAgtStateNegotiatingGnOrNapRole) : public CPanAgtStateBase+
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/**+
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Attempting to switch to GN/NAP role+
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@internalComponent+
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*/+
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	{+
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public:+
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	static CPanAgtStateBase* NewL(MPanAgtStateMachineNotify& aStateMachine);+
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	void OnEntryL();+
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	+
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	// MRemoteDeviceNotify methods+
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	virtual void InitiateOutgoingConnectionL(TBluetoothPanRole& aLocalRole, TBluetoothPanRole& aRemoteRole, TPanDeviceWorthTryingRolesList& aWorthTryingRemoteRoles);+
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	virtual void IncomingConnectionFromPeerL(TBluetoothPanRole aLocalRole);+
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+
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	virtual void DeviceActiveL(CPanRemoteDeviceStateMachine& aDevice);+
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	virtual void DeviceRoleChangeFailedL(CPanRemoteDeviceStateMachine& aDevice);+
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	virtual void DeviceDisconnectedL(CPanRemoteDeviceStateMachine& aDevice);+
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+
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protected:+
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	CPanAgtStateNegotiatingGnOrNapRole(MPanAgtStateMachineNotify& aStateMachine, TPanAgtStates aStateNumber);+
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	+
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private:+
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	CPanAgtStateNegotiatingGnOrNapRole(MPanAgtStateMachineNotify& aStateMachine);+
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public:+
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+
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private:+
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+
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	};+
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+
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NONSHARABLE_CLASS(CPanAgtStateGnOrNapRole) : public CPanAgtStateBase+
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/**+
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GN/NAP role+
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@internalComponent+
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*/+
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	{+
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public:+
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	static CPanAgtStateBase* NewL(MPanAgtStateMachineNotify& aStateMachine);+
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	void OnEntryL();+
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	+
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	// MRemoteDeviceNotify methods+
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	virtual void InitiateOutgoingConnectionL(TBluetoothPanRole& aLocalRole, TBluetoothPanRole& aRemoteRole, TPanDeviceWorthTryingRolesList& aWorthTryingRemoteRoles);+
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	virtual void IncomingConnectionFromPeerL(TBluetoothPanRole aLocalRole);+
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	virtual void RoleChangeRequestFromPeerL(TBluetoothPanRole aLocalRole);+
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+
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	virtual void DeviceActiveL(CPanRemoteDeviceStateMachine& aDevice);+
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	virtual void DeviceDisconnectedL(CPanRemoteDeviceStateMachine& aDevice);+
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+
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	virtual void StateSendRoleNotification();+
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+
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private:+
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	CPanAgtStateGnOrNapRole(MPanAgtStateMachineNotify& aStateMachine);	+
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public:+
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+
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private:+
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+
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	};+
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		+
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NONSHARABLE_CLASS(CPanAgtStateShutdown) : public CPanAgtStateBase+
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/**+
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Shutting down the whole PAN - disconnect everyone and give up+
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@note This class should only be created by the role state machine at startup. Shutdown should be performed+
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through the state machine using the preallocated class - this allows shutdown in OOM situations.+
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@note This class will always be entered from nifman calling Disconnect().  We can trigger this+
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from the role state machine (SM only, not the states) - states leave to trigger a disconnect.+
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@internalComponent+
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*/+
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	{+
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public:+
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	static CPanAgtStateBase* NewL(MPanAgtStateMachineNotify& aStateMachine);+
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	void OnEntryL();+
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	+
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	// MRemoteDeviceNotify methods+
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	virtual void DeviceDisconnectedL(CPanRemoteDeviceStateMachine& aDevice);+
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	~CPanAgtStateShutdown();+
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private:+
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	void ConstructL();+
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	CPanAgtStateShutdown(MPanAgtStateMachineNotify& aStateMachine);+
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+
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	static TInt ShutdownCallback(TAny* aPtr);+
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+
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public:+
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+
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private:+
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	CAsyncCallBack* iShutdownCallback;+
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+
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	};+
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+
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NONSHARABLE_CLASS(CPanAgtStateReconnect) : public CPanAgtStateBase+
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/**+
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Reconnect, a transient state+
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@internalComponent+
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*/+
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	{+
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public:+
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	static CPanAgtStateBase* NewL(MPanAgtStateMachineNotify& aStateMachine);+
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	void OnEntryL();+
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	+
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	void DeviceDisconnectedL(CPanRemoteDeviceStateMachine& aDevice);+
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	void Connect();+
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	void CancelReconnect();+
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	~CPanAgtStateReconnect();+
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private:+
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	void ConstructL();+
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	CPanAgtStateReconnect(MPanAgtStateMachineNotify& aStateMachine);+
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	static TInt ServiceStartedCb(TAny* aThisPtr);+
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	static TInt ReconnectCompleteCb(TAny* aThisPtr);+
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	void ServiceStarted();+
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private:+
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	CAsyncCallBack* iReconnectCompleteCallback;+
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	};+
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+
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+
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#ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY+
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/**+
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This state exists to pause the agent state machine whilst+
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we wait for an async response from BNEP+
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*/+
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NONSHARABLE_CLASS(CPanAgtStatePaused) : public CPanAgtStateBase+
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    {+
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public:+
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    static CPanAgtStatePaused* NewL(MPanAgtStateMachineNotify& aStateMachine, CPanAgtStateBase& aNextState);+
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    ~CPanAgtStatePaused();+
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+
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	virtual void OnEntryL();+
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	void TransitionToNextState();+
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    +
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private:+
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    CPanAgtStatePaused(MPanAgtStateMachineNotify& aStateMachine, CPanAgtStateBase& aNextState);+
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    CPanAgtStateBase* iNextState; +
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    };+
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+
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#endif+
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// SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY+
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+
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} // namespace PanAgent+
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+
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#endif+
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// PANAGTSTATES_H+
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