/*
* Copyright (c) 2009-2010 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: 
*     CBootstrapAppUi application UI class declaration.
*
*
*/


#ifndef __BOOTSTRAPAPPUI_H__
#define __BOOTSTRAPAPPUI_H__

// INCLUDES
#include <aknappui.h>
#include <aknglobalconfirmationquery.h>
#include <downloadmgrclient.h>
#include <smartinstaller.rsg>
#include <swinstapi.h>
#include "debug.h"

const TInt KMaxDlConnectionAttempts = 6;

// FORWARD DECLARATIONS
class CBootstrapAppView;
class CAknGlobalNote;
class CGlobalWaitNoteObserver;
class CInstallObserver;

enum AppState
	{
	EInitialState,          // 0
	EChangesDownloadState,
	EChangesParseState,
	EADMDownloadState,
	EADMInstallState,
	EADMLaunchState
	};

// Mandatory changes xml elements
_LIT8(KFieldVersion,"Version");
_LIT8(KFieldSisName,"SisFileName");
// Optional changes xml element
_LIT8(KFieldUrl,"Url");

enum XmlParserError
		{
		EErrorXmlNotWelformed,
		EMissingVersion,
		EInvalidVersion,
		EMissingSisFileName,
		};

struct AdmChangesInfo
	{
	AdmChangesInfo()
			:iVersion(0,0,0),
			iSisName(NULL),
			iUrl(NULL)
		{}
	~AdmChangesInfo()
		{
		delete iSisName;
		delete iUrl;
		}
	TVersion iVersion;
	HBufC8 *iSisName;
	HBufC8 *iUrl;
	};

// CLASS DECLARATION
/**
* CBootstrapAppUi application UI class.
* Interacts with the user through the UI and request message processing
* from the handler class
*/
class CBootstrapAppUi : public CAknAppUi,
						public MHttpDownloadMgrObserver
	{
	public: // Constructors and destructor

		/**
		* ConstructL.
		* 2nd phase constructor.
		*/
		void ConstructL();

		/**
		* CBootstrapAppUi.
		* C++ default constructor. This needs to be public due to
		* the way the framework constructs the AppUi
		*/
		CBootstrapAppUi();

		/**
		* ~CBootstrapAppUi.
		* Virtual Destructor.
		*/
		virtual ~CBootstrapAppUi();

		void ExitWithError(const TInt& aResourceId );

	private:  // Functions from base classes


		/**
		*  Push the application to background.
		*  Called by the framework when the application switches
		*  to foreground.
		*/
		void HandleForegroundEventL(TBool aForeground);

		/**
		 * Sends application to background.
		 */
		void SendToBackgroundL(TBool aBackground = ETrue);

		/**
		* Check if the ADM is already present in the device or not
		*/
		TBool IsPackagePresentL(const TUid& aUid, TVersion& aVersion);


		/*
		* Installs the specified package
		*/
		void AsyncInstallPackageL(const TDesC& aResponseFilename);


		TInt LaunchAdmL	();

		void ShowGlobalWaitNoteL();

		void StopGlobalWaitNoteL();

		void SetFileNameInfoL();

		void ShowNoteL( const TAknGlobalNoteType& aType , const TInt& aResourceId );

		/**
		* Fetch ADM from the web server.
		*/
		void DownloadL();

		void CloseApp();

		void DeleteFile(const TDesC& aFileName);

		void WaitForInstallCompleteL();

		TUint32 GetLatestInstalledL();


		void HandleCommandL(TInt aCommand);

		TInt ReadConfigurationL();

#ifdef FEATURE_BOOTSTRAP_SETIAP
		void SetIAPL();
#endif
		void ParseChangesInfoL( const TDesC& aChangesFileName );

	public:

		void HandleInstallCompleteL(const TInt& aStatus);
		/**
		 *Handle the Global Query Response
		 */
		void HandleHttpFetchCompleteL(const TBool& aStatus);

		/**
		 *Handle download manager events.
		 */
		void HandleDMgrEventL( RHttpDownload& aDownload, THttpDownloadEvent aEvent );

		/**
		 * Handle user press cancel
		 */
		void HandleGlobalWaitNoteCancel(const TInt& aStatus);

	private: // Data

		/**
		* The application view
		* Owned by CBootstrapAppUi
		*/

		/**
		 * IAP for Download Manager. Passed to ADM.
		 */
		TInt32 iIAP;

		HBufC* iDepFilename;

		HBufC* iSisFileName;

		/**
		 * URL provided by the configuration file to the server root or
		 * the default URL, if config file is missing.
		 */
		HBufC8*   iConfigUrl;

		/**
		 * URL
		 */
		HBufC8*   iUrl;

		HBufC* iDownloadFileName;

		TBool iAllowForeground;

		TBool iIsAdmInstalled;

		TVersion iAdmInstalledVersion;

		/*
		* Downloadmanager object
		*/
		RHttpDownloadMgr  iDownloadManager;

		CAknGlobalNote* iGlobalWaitNote;

		CGlobalWaitNoteObserver* iGlobalWaitNoteObserver;

		TInt iGlobalWaitNoteId;

		TUint32 iWrapperPackageUid;

		TBool iPausable;

		TInt iConnectionAttempts;

		SwiUI::RSWInstSilentLauncher iLauncher;

		SwiUI::TInstallOptionsPckg iOptionsPckg;

		AppState iAppState;

		TInt iInstallAttempt;

		CInstallObserver* iInstallObsrv;

		AdmChangesInfo iAdmChangesInfo;

		TBool isIapCancelled;

		INIT_OBJECT_DEBUG_LOG
};

#endif // __BootstrapAPPUI_H__

// End of File