--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbmgmt/usbmgr/usbman/chargingplugin/public/CUsbBatteryChargingPlugin.h	Tue Feb 02 02:02:59 2010 +0200
@@ -0,0 +1,242 @@
+/*
+* Copyright (c) 2008-2009 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:
+*
+*/
+
+/** @file
+@internalComponent
+*/
+
+#ifndef USBBATTERYCHARGINGPLUGIN_H
+#define USBBATTERYCHARGINGPLUGIN_H
+
+#include <e32base.h>
+
+#ifdef __CHARGING_PLUGIN_TEST_CODE__
+#include <dummyldd.h>
+#define __D32USBC_H__ // ensure that d32usbc is ignored
+#define private protected
+#else
+#include <d32usbc.h>
+#endif
+
+#include <cusbmanextensionplugin.h>
+#include "usbbatterycharging.h"
+#include <musbdevicenotify.h>
+#include "devicestatetimer.h"
+#include "repositorynotifier.h"
+#include "motgobserver.h"
+
+class CUsbChargingReEnumerator;
+class CUsbBatteryChargingLicenseeHooks;
+
+// For host OTG enabled charging plug-in
+#ifdef SYMBIAN_ENABLE_USB_OTG_HOST_PRIV
+class CIdPinWatcher;
+class COtgStateWatcher;
+#endif
+
+class CVBusWatcher;
+
+enum TUsbBatteryChargingPanic
+    {
+    EUsbBatteryChargingPanicBadUserSetting = 0,
+    EUsbBatteryChargingPanicBadPluginState = 1,
+    EUsbBatteryChargingPanicUnexpectedPluginState = 2,
+    EUsbBatteryChargingPanicBadDeviceState = 3,
+    EUsbBatteryChargingPanicBadOtgState = 4,
+    EUsbBatteryChargingPanicBadVBusState = 5,
+    EUsbBatteryChargingPanicBadCharingCurrentNegotiation = 6
+    };
+
+// For host OTG enabled charging plug-in
+class MUsbBatteryChargingPluginInterface : public MUsbDeviceNotify,
+    public MUsbChargingRepositoryObserver,
+    public MUsbChargingDeviceStateTimerObserver, public MOtgPropertiesObserver
+    {
+public:  // from MUsbDeviceNotify
+    virtual void UsbServiceStateChange (TInt aLastError,
+        TUsbServiceState aOldState, TUsbServiceState aNewState) = 0;
+    virtual void UsbDeviceStateChange (TInt aLastError,
+        TUsbDeviceState aOldState, TUsbDeviceState aNewState) = 0;
+
+public: // from MUsbChargingRepositoryObserver
+    virtual void HandleRepositoryValueChangedL(const TUid& aRepository, TUint aId, TInt aVal) = 0;
+    
+public: // from MUsbChargingDeviceStateTimerObserver
+    virtual void DeviceStateTimeout() = 0;
+
+public: // from MOtgPropertiesObserver
+// For host OTG enabled charging plug-in
+#ifdef SYMBIAN_ENABLE_USB_OTG_HOST_PRIV 
+    virtual void MpsoIdPinStateChanged(TInt aValue) = 0;
+    virtual void MpsoOtgStateChangedL(TUsbOtgState aNewState) = 0;
+#endif    
+    virtual void MpsoVBusStateChanged(TInt aNewState) = 0;
+    };
+
+class TUsbBatteryChargingPluginStateBase;
+class TUsbBatteryChargingPluginStateIdle;
+class TUsbBatteryChargingPluginStateIdleUserDisabled;
+class TUsbBatteryChargingPluginStateNoValidcurrent;
+class TUsbBatteryChargingPluginStateCurrentNegotiating;
+class TUsbBatteryChargingPluginStateCharging;
+class TUsbBatteryChargingPluginStateIdelNegotiated;
+class TUsbBatteryChargingPluginStateBEndedCableNotPresent;
+
+enum TUsbChargingPluginState
+    {
+    // The default first state of this plugin
+    EPluginStateIdle = 0,
+    
+    // Start to negotiate with A device about the charging current
+    // re-enumration is executed 
+    EPluginStateCurrentNegotiating,
+    
+    // Negotiation failed
+    EPluginStateNoValidCurrent,
+    
+    // The only that indicate charging is going on 
+    EPluginStateCharging,
+    
+    // charging is stopped for some reason, but negotiation is done already
+    EPluginStateIdleNegotiated,
+    
+    // User Disabled "charging from usb" functionality
+    EPluginStateUserDisabled,
+
+    // Deivce is connect with A end cable, so, no way to do a charging to itself 
+    EPluginStateBEndedCableNotPresent,
+        
+    // State counter
+    EPluginStateCount
+    };
+
+
+class CUsbBatteryChargingPlugin : public CUsbmanExtensionPlugin,
+    private MUsbBatteryChargingPluginInterface 
+    {
+    friend class TUsbBatteryChargingPluginStateBase;
+    friend class TUsbBatteryChargingPluginStateIdle;
+    friend class TUsbBatteryChargingPluginStateUserDisabled;
+    friend class TUsbBatteryChargingPluginStateNoValidCurrent;
+    friend class TUsbBatteryChargingPluginStateCurrentNegotiating;
+    friend class TUsbBatteryChargingPluginStateCharging;
+    friend class TUsbBatteryChargingPluginStateIdleNegotiated;
+    friend class TUsbBatteryChargingPluginStateBEndedCableNotPresent;
+    
+public:
+    static CUsbBatteryChargingPlugin* NewL(MUsbmanExtensionPluginObserver& aObserver);
+    ~CUsbBatteryChargingPlugin();
+
+private: // from CUsbmanExtensionPlugin
+    TAny* GetInterface(TUid aUid);
+    
+private:  // from MUsbBatteryChargingPluginInterface
+    // from MUsbDeviceNotify
+    void UsbServiceStateChange (TInt aLastError,
+        TUsbServiceState aOldState, TUsbServiceState aNewState);
+    void UsbDeviceStateChange (TInt aLastError,
+        TUsbDeviceState aOldState, TUsbDeviceState aNewState);
+
+    // from MUsbChargingRepositoryObserver
+    void HandleRepositoryValueChangedL(const TUid& aRepository, TUint aId, TInt aVal);
+    
+    // from MUsbChargingDeviceStateTimerObserver
+    void DeviceStateTimeout();
+
+// For host OTG enabled charging plug-in
+#ifdef SYMBIAN_ENABLE_USB_OTG_HOST_PRIV 
+    // from MOtgPropertiesObserver
+    void MpsoIdPinStateChanged(TInt aValue);
+    void MpsoOtgStateChangedL(TUsbOtgState aNewState);
+#endif
+    
+    void MpsoVBusStateChanged(TInt aNewState);
+private:
+    CUsbBatteryChargingPlugin(MUsbmanExtensionPluginObserver& aObserver);
+    void ConstructL();
+    void Panic(TUsbBatteryChargingPanic aPanic);
+
+private:
+    void StartCharging(TUint aMilliAmps);
+    void StopCharging();
+    
+    void SetNegotiatedCurrent(TUint aMilliAmps);
+    void ReadCurrentRequestValuesL();
+    
+    void NegotiateChargingCurrent();
+    void NegotiateNextCurrentValueL();
+    void RequestCurrentL(TUint aMilliAmps);
+    
+    void ResetPlugin();
+            
+    void SetInitialConfigurationL();
+    
+    TBool IsUsbChargingPossible();
+    
+    void LogStateText(TUsbDeviceState aState);
+    void PushRecoverState(TUsbChargingPluginState aRecoverState);
+    TUsbChargingPluginState PopRecoverState();
+    
+    TUsbChargingPluginState SetState(TUsbChargingPluginState aState);
+    
+private: // owned
+    RDevUsbcClient& iLdd;
+       
+    // user allow usb charging function already?
+    TUsbBatteryChargingUserSetting iUserSetting;
+    
+    // More than one value will be tried by the negotiation process to 
+    // aquire a as larger current value as possible for charging
+    RArray<TInt> iCurrentValues;
+    
+    //value of requested current set to descriptor for negotiation
+    TInt iRequestedCurrentValue;
+    
+    //index of requested value
+    TInt iCurrentIndexRequested;
+    
+    //value of negotiated current
+    TInt iAvailableMilliAmps;   
+
+    CUsbChargingDeviceStateTimer*   iDeviceStateTimer;
+    CUsbChargingRepositoryNotifier* iRepositoryNotifier;
+    CUsbChargingReEnumerator*       iDeviceReEnumerator;
+
+    CUsbBatteryChargingLicenseeHooks* iLicenseeHooks;
+
+// For host OTG enabled charging plug-in
+#ifdef SYMBIAN_ENABLE_USB_OTG_HOST_PRIV     
+    //Outer state watchers
+    COtgStateWatcher *iOtgStateWatcher;
+    CIdPinWatcher *iIdPinWatcher;
+    //Outer states
+    TInt iIdPinState;
+    TUsbOtgState iOtgState;
+#endif    
+    
+    TInt iVBusState;
+    CVBusWatcher *iVBusWatcher;
+    TUsbDeviceState iDeviceState;
+    
+    // Plug-in States
+    TUsbChargingPluginState iPluginState; // Current state machine status
+    TUsbChargingPluginState iPluginStateToRecovery; // The recover state when user enable USB Charging
+    TUsbBatteryChargingPluginStateBase* iCurrentState; // Owned
+    TUsbBatteryChargingPluginStateBase* iPluginStates[EPluginStateCount]; // State implementations
+    };
+
+#endif // USBBATTERYCHARGINGPLUGIN_H