helpview.cpp

symbian 2rd 备忘录

/* Copyright (c) 2007, Nokia. All rights reserved */
#include <gulicon.h>
#include <eikseced.h>
#include <eikccpu.h>
#include <coemain.h>
#include <aknnotewrappers.h>
#include <eikspane.h>
#include <akntitle.h> 
#include <akncontext.h>
#include "HelpView.h"
#include "HelpContainer.h"
#include "AssistantAppUi.h"
#include "Assistant.hrh"
#include "Assistant.rsg"
#include "Assistant.mbg"

CHelpView* CHelpView::NewL()
{
    CHelpView* self = NewLC();
    CleanupStack::Pop(self);
    return self;
}

CHelpView* CHelpView::NewLC()
{
    CHelpView* self = new (ELeave) CHelpView();
    CleanupStack::PushL(self);
    self->ConstructL();
    return self;
}

void CHelpView::ConstructL()
{
	BaseConstructL(R_ASSISTANT_HELP);
    SetStatus(EAssistantStatusMain);
}


CHelpView::CHelpView()
{
	m_pAppContainer = NULL;
	m_pFilePiner = NULL;
}


CHelpView::~CHelpView()
{
}

TUid CHelpView::Id() const
{
	return TUid::Uid(4);
}

void CHelpView::HandleCommandL(TInt aCommand)
{
	switch(aCommand)
	{
		
	case EAssistantBack:
		{	
			switch(m_Status)
			{
			case EAssistantStatusMain:
				AppUi()->ActivateLocalViewL(TUid::Uid(3));
				break;
			case EAssistantStatusEdit:
				AppUi()->ActivateLocalViewL(TUid::Uid(5));
				break;
			case EAssistantStatusBook:
				AppUi()->ActivateLocalViewL(TUid::Uid(10));
				break;
			case EAssistantStatusMessage:
				AppUi()->ActivateLocalViewL(TUid::Uid(7));
				break;
			default:
				AppUi()->HandleCommandL(aCommand);
				break;
			}
		}
	break;
	}
}

void CHelpView::HandleClientRectChange()
{
	if(m_pAppContainer)
	{
		m_pAppContainer->SetRect(ClientRect());
	}
}

void CHelpView::DoActivateL(const TVwsViewId&, TUid, const TDesC8&)
{
	m_pAppContainer = new( ELeave ) CHelpContainer();
	m_pAppContainer->SetMopParent(this);
	ReadFileExL();
	m_pAppContainer->SetFilePointers(m_pFilePiner);
 	TRect rc;
 	rc.SetRect(ClientRect().iTl, TSize(176,144));
	m_pAppContainer->ConstructL(rc);
	AppUi()->AddToStackL( *this, m_pAppContainer);

	CEikStatusPane* sp=iEikonEnv->AppUiFactory()->StatusPane();
	//Set View icon
	CAssistantAppUi* pApp = (CAssistantAppUi*)CEikonEnv::Static()->AppUi();
	CFbsBitmap* pIcon = pApp->LoadGraphicsL1(16);
	CAknContextPane* contextPane = (CAknContextPane*) sp->ControlL(TUid::Uid(EEikStatusPaneUidContext));
	contextPane->SetPicture(pIcon);
	
	//Set View Title
	TBuf<32> sTmpTitle;
	CEikonEnv::Static()->ReadResource(sTmpTitle, R_QTN_ASSISTANT_HELP);
	CAknTitlePane* tp=(CAknTitlePane*)sp->ControlL(TUid::Uid(EEikStatusPaneUidTitle));
	tp->SetTextL(sTmpTitle);
}

void CHelpView::DoDeactivate()
{
	if(m_pAppContainer)
	{
		AppUi()->RemoveFromStack( m_pAppContainer );
		delete m_pAppContainer;
	}
	MEMORY_FREE(m_pFilePiner);
}

void CHelpView::SetStatus(TInt aStatus)
{
	m_Status = aStatus;
}

void CHelpView::ReadFileExL()
{
	RFs& fs = CEikonEnv::Static()->FsSession();
	RFile file;
	TBuf<50> sFileName;
	switch (m_Status)
	{
	case EAssistantStatusMain:
		sFileName.Copy(_L("C:\\system\\Apps\\Assistant\\mainhelp.txt"));
		/*{
#ifdef __WINS__
		sFileName.Copy(_L("c:\\myfiles.str"));
#else*/
		/*sFileName.Copy(_L("c:\\file.str"));*/
		/*CAssistantAppUi* pApp = (CAssistantAppUi*)CEikonEnv::Static()->AppUi();
		pApp->GetAppPath(sFileName);
		sFileName.Append(_L("myfiles.str"));
#endif
		}*/
		break;
	case EAssistantStatusBook:
		sFileName.Copy(_L("C:\\system\\Apps\\Assistant\\bookhelp.txt"));
		break;
	case EAssistantStatusEdit:
		sFileName.Copy(_L("C:\\system\\Apps\\Assistant\\memohelp.txt"));
		break;
	case EAssistantStatusMessage:
		sFileName.Copy(_L("C:\\system\\Apps\\Assistant\\messagehelp.txt"));
		break;
	default:
		break;
	}
	
	TInt err = file.Open(fs, sFileName, EFileRead);
	if(err == KErrNotFound)
	{
		err = file.Create(fs, sFileName, EFileWrite);
	}
	
	if(err!=KErrNone)
	{
		return ;
	}

	RFileReadStream readStream;
	if(KErrNone != readStream.Open(fs, sFileName,EFileRead))
	{
		fs.Close();
		return;
	}
	readStream.PushL();

	TInt nCount = readStream.ReadInt32L();

	if(nCount > 0)
	{
		MEMORY_FREE(m_pFilePiner);
		m_pFilePiner = HBufC::NewLC(nCount);
		readStream >> m_pFilePiner->Des();
		CleanupStack::Pop();
	}
	
	readStream.Pop();
	readStream.Release();
	fs.Close();
}