emailexamplewin.cpp

Symbian C++ of Nokia下的源码

/*
* ============================================================================
*  Name     : CEmailExampleWin from EmailExampleWin.cpp
*  Part of  : EmailExample
*  Created  : 09/11/2003 by Forum Nokia
*  Implementation notes:
*
*  Version  : 1.0
*  Copyright: Nokia Corporation
* ============================================================================
*/

#include "EmailExampleWin.h"
#include "EmailExampleVer.h"
#include "EmailExampleAui.h"
#include "EmailExampleViews.h"
#include "EmailExampleEngine.h"

#include <eikdialg.h>
#include <s32crypt.h>

#include "EmailExample.hrh"
#include <EmailExample.rsg>
#include <Eikon.rsg>

#define KRemoteMailView 0

CEmailMainWindow::CEmailMainWindow(CEmailExampleAppUi& aOwner)
	: iOwner(aOwner)
	{}

CEmailMainWindow::~CEmailMainWindow()
	{
	iViews.ResetAndDestroy();
	delete iEngine;
	}

void CEmailMainWindow::ConstructL()
	{
	iEngine=CEmailExampleEngine::NewL(*this);

// create window but do not activate
    CreateWindowL();
	iViews.Append(CRemoteView::NewL(*this));
	iViews[KRemoteMailView]->SetFocus(ETrue,EDrawNow);
	iViews[KRemoteMailView]->MakeVisible(ETrue);
	}

void CEmailMainWindow::HandleEngineChangedEventL(TEmailExampleEngineEvent aEvent)
	{
	switch(aEvent)
		{
		case ERemoteCountChanged:
			static_cast<CEmailView*>(iViews[KRemoteMailView])->MailCountChange();
			iViews[iCurrentView]->DrawDeferred();
			break;
		}
	}

void CEmailMainWindow::Draw(const TRect& aRect) const
	{
	CWindowGc& gc=SystemGc();
	gc.Clear(aRect);
	}

void CEmailMainWindow::SizeChanged()
	{
	TRect rect(Rect());
	for(TInt i=0;i<iViews.Count();i++)
		iViews[i]->SetRect(rect);
	}

TKeyResponse CEmailMainWindow::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType)
	{
	return iViews[iCurrentView]->OfferKeyEventL(aKeyEvent,aType);
	}

void CEmailMainWindow::HandleCommandL(TInt aCommand)
	{
	 if( iEngine->HandleAccountNotDefined() )
		{ //if email settings have not been defined notify user with dialog
		CEikDialog* dialog = new (ELeave) CEikDialog;
		CleanupStack::PushL(dialog);

		//ugly
		if( iEngine->iProtocolType == EProtocolImap4 )
			{
			dialog->ExecuteLD(R_EMAILEXAMPLEAPP_NOIMAP4_DIALOG);
			}
		else
			{
			dialog->ExecuteLD(R_EMAILEXAMPLEAPP_NOPOP3_DIALOG);
			}

		CleanupStack::Pop(dialog);
		}
	 else
		{
		static_cast<CEmailView*>(iViews[iCurrentView])->HandleCommandL(aCommand);
		}

	}

CCoeControl* CEmailMainWindow::ComponentControl(TInt aIndex) const
	{
	return iViews[aIndex];
	}

TInt CEmailMainWindow::CountComponentControls() const
	{
    return iViews.Count();
	}

void CEmailMainWindow::Reset()
	{ // clear all data ready for a new file
	}

void CEmailMainWindow::SaveFileL(CStreamStore& aStore,CStreamDictionary& aStreamDic,CSecurityBase& aSecurity) const
	{ // save current data
// create a stream in the store
	RStoreWriteStream writeStream;
	TStreamId id=writeStream.CreateL(aStore);
// create a secure stream attached to the writeStream so our data gets encrypted
	REncryptStream encryptStream;
	encryptStream.AttachLC(writeStream,aSecurity,TPtrC8(securityCode,8));
// externalize our data here into 'encryptStream'
//
	encryptStream.CommitL();
	CleanupStack::PopAndDestroy();  // writeStream
	aStreamDic.AssignL(KUidEmailExample,id);
	}

void CEmailMainWindow::LoadFileL(const CStreamStore& aStore,const CStreamDictionary& aStreamDic,CSecurityBase& aSecurity,TInt /*aFileVersion*/)
	{ // load data. can use 'aFileVersion' to determine what is in the file if we change file format
// open the secure stream
	TStreamId streamId=aStreamDic.At(KUidEmailExample);
	if(streamId==KNullStreamId)
		{ // no data present in file
		}
	else
		{
		RStoreReadStream readStream;
		readStream.OpenLC(aStore,streamId);
		RDecryptStream decryptStream;
		decryptStream.AttachLC(readStream,aSecurity,TPtrC8(securityCode,8));
// internalize our data here from 'decryptStream'
//
		CleanupStack::PopAndDestroy(2); // decryptStream and readStream
		}
	}