/*
* ============================================================================
*  Name     : CAppUidViewerEngine from AppUidViewerEngine.cpp
*  Part of  : Application Uid viewer
*  Created  : 09/26/2005 by Forum Nokia
*  Version  : 1.0
*  Copyright: Nokia Corporation
* ============================================================================
*/

// INCLUDE FILES
#include "AppUidViewerEngine.h"


// CONSTANTS
_LIT(KFileName, "c:\\Nokia\\applications.txt");
_LIT(KFileName3rd, "c:\\Data\\Nokia\\applications.txt");
_LIT(KFileDir3rd, "c:\\Data\\Nokia\\");
const TInt KMaxSize = 512;
const TInt KUidWidth = 8;

// ================= MEMBER FUNCTIONS =======================

// Constructor
CAppUidViewerEngine::CAppUidViewerEngine(MAppUidObserver& aObserver)
	:	iObserver(aObserver)
	{

	}

// Destructor
CAppUidViewerEngine::~CAppUidViewerEngine()
	{
	iLsSession.Close();
	iFs.Close();
	iApps.Close();
	}

// ----------------------------------------------------
// CAppUidViewerEngine::NewL()
// Two-phased constructor.
// ----------------------------------------------------
//
CAppUidViewerEngine* CAppUidViewerEngine::NewL(MAppUidObserver& aObserver)
	{
	CAppUidViewerEngine* self = new (ELeave) CAppUidViewerEngine(aObserver);
	CleanupStack::PushL(self);
	self->ConstructL();
	CleanupStack::Pop(self);
	return self;
	}

// ----------------------------------------------------
// CAppUidViewerEngine::ConstructL()
// Symbian OS default constructor can leave.
// ----------------------------------------------------
//
void CAppUidViewerEngine::ConstructL()
	{
	User::LeaveIfError(iFs.Connect());
	User::LeaveIfError(iLsSession.Connect());
	}

// ----------------------------------------------------
// CAppUidViewerEngine::AppsToFileL()
// Writes applications and their uids in to a text file.
// ----------------------------------------------------
//
void CAppUidViewerEngine::AppsToFileL()
	{
	RFile file;
	CleanupClosePushL(file);

	#ifdef __SERIES60_3X__  //////////// 3rd Ed

	// C:\Nokia Folder does not exist in S60 3.x,
	// PC Suite does not show other than C:\Data folders in S60 3.x devices
	iFs.MkDir( KFileDir3rd );
	User::LeaveIfError( file.Replace(iFs, KFileName3rd, EFileWrite | EFileStreamText) );

	#else

	User::LeaveIfError(file.Replace(iFs, KFileName, EFileWrite | EFileStreamText));

	#endif


	TBuf<KMaxSize> buf;
	TBuf8<KMaxSize> fileBuf;


	// Get info on all apps, then iterate through each app
	// and write its info (caption, name, uid) to file
	User::LeaveIfError(iLsSession.GetAllApps());

	TApaAppInfo* appInfo = new (ELeave) TApaAppInfo;
	CleanupStack::PushL( appInfo );

	while(iLsSession.GetNextApp(*appInfo) == KErrNone)
		{
		buf.Zero();
		buf.AppendNumFixedWidth(appInfo->iUid.iUid, EHex, KUidWidth);
		buf.Append(_L("\t"));
		buf.Append(appInfo->iCaption);
		buf.Append(_L("\t"));
		buf.Append(appInfo->iFullName);
		buf.Append(_L("\r\n"));
		fileBuf.Copy(buf);
		file.Write(fileBuf);
		}
	CleanupStack::PopAndDestroy( appInfo );
	CleanupStack::PopAndDestroy( &file );

	iObserver.DoneL();

	}

// ----------------------------------------------------
// CAppUidViewerEngine::AppsToUiL()
// Collects all applications and their uids and passes
// this list to an observer.
// ----------------------------------------------------
//
void CAppUidViewerEngine::AppsToUiL()
	{
	TApaAppInfo apaAppInfo;
	TAppInfo appInfo;
	iApps.Reset();

	// Get info on all apps, then iterate through each app
	User::LeaveIfError(iLsSession.GetAllApps());
	while(iLsSession.GetNextApp(apaAppInfo) == KErrNone)
		{
		appInfo.iAppCaption = apaAppInfo.iCaption;
		appInfo.iAppUid = apaAppInfo.iUid.iUid;
		User::LeaveIfError(iApps.Append(appInfo));
		}

	iObserver.AppsFoundL(iApps);
	}

// End of file