internetemailappui.cpp

手机开发

/*
* ============================================================================
*  Name	 : CInternetEmailAppUi from InternetEmailAppUi.cpp
*  Part of  : InternetEmail
*  Created  : 25.10.2005 by Forum Nokia
*  Implementation notes:
*	Initial content was generated by S60 AppWizard.
*	This class handles user generated events. Class also implements
*	two observers: MInternetEmailEngineObserver to control model changes and
*	MProgressDialogCallback to handle callback generated by user if user
*   dismisses the modal wait dialog.
*  Version  : 1.1
*  Copyright: Nokia Corporation 2004
* ============================================================================
*/

// INCLUDE FILES
#include "InternetEmailAppUi.h"
#include "InternetEmailContainer.h"
#include "InternetEmailDocument.h"
#include "InternetEmailEngine.h"

#include <eikmenup.h>		 // for Menupanes
#include <stringloader.h>	 // for easy resource usage

#include <InternetEmail.rsg>
#include "internetemail.hrh"

#include <avkon.hrh>

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

// ----------------------------------------------------------
// CInternetEmailAppUi::ConstructL()
//  EPOC two phased constructor
// ----------------------------------------------------------
//
void CInternetEmailAppUi::ConstructL()
	{

	BaseConstructL(CAknAppUi::EAknEnableSkin);

	iModel = CInternetEmailEngine::NewL(*this); //Must be first in this solution
	iAppContainer = new (ELeave) CInternetEmailContainer;
	iAppContainer->SetMopParent(this);
	iAppContainer->ConstructL( ClientRect(), this );
	AddToStackL( iAppContainer );
	}

// ----------------------------------------------------
// CInternetEmailAppUi::~CInternetEmailAppUi()
// ----------------------------------------------------
//
CInternetEmailAppUi::~CInternetEmailAppUi()
	{
	delete iModel;
	delete iWaitDialog;

	if (iAppContainer)
		{
		RemoveFromStack( iAppContainer );
		delete iAppContainer;
		}
   }

// -------------------------------------------------------
// CInternetEmailDocument* CInternetEmailAppUi::Document()
// -------------------------------------------------------
//
CInternetEmailDocument* CInternetEmailAppUi::Document()
	{
	return static_cast<CInternetEmailDocument*>(iDocument);
	}

// -------------------------------------------------------------------------------
// CInternetEmailAppUi::DynInitMenuPaneL(TInt aResourceId,CEikMenuPane* aMenuPane)
//  This function is called by the EIKON framework just before it displays
//  a menu pane. Its default implementation is empty, and by overriding it,
//  the application can set the state of menu items dynamically according
//  to the state of application data.
//
//	Here we argue that user must first select one protocol to use before
//  starting the application. We do this buy dimming the menupane choices
//  that should not be possible in different states. We also dim the choices
//  to fetch mail until MsvServer session is ready.
// -------------------------------------------------------------------------------
//
void CInternetEmailAppUi::DynInitMenuPaneL(
	TInt aResourceId,CEikMenuPane* aMenuPane)
	{
	if (aResourceId == R_INTERNETEMAIL_MENU)
		{
		if (iModel->IsProtocolSet())
			{
			if( iModel->IsEngineReady() )
				{
				aMenuPane->SetItemDimmed(EInternetEmailCmdProtocol, ETrue);
				aMenuPane->SetItemDimmed(EInternetEmailCmdFetch, EFalse);
				}
			else //if MsvServer session is not ready but protocol is selected
				{
				aMenuPane->SetItemDimmed(EInternetEmailCmdProtocol, EFalse);
				aMenuPane->SetItemDimmed(EInternetEmailCmdFetch, EFalse);
				}

			}
		else //we dim all if user have not picked the protocol to use.
			{
			aMenuPane->SetItemDimmed(EInternetEmailCmdProtocol, EFalse);
			aMenuPane->SetItemDimmed(EInternetEmailCmdFetch, ETrue);
			}
		}
	}

// ----------------------------------------------------
// CInternetEmailAppUi::HandleKeyEventL(
//	 const TKeyEvent& aKeyEvent,TEventCode /*aType*/)
// ----------------------------------------------------
//
TKeyResponse CInternetEmailAppUi::HandleKeyEventL(
	const TKeyEvent& /*aKeyEvent*/,TEventCode /*aType*/)
	{
	return EKeyWasNotConsumed;
	}

// -----------------------------------------------------
// CInternetEmailAppUi::HandleCommandL(TInt aCommand)
//  Here we handle the commands user interface offers to
//  user.
// -----------------------------------------------------
//
void CInternetEmailAppUi::HandleCommandL(TInt aCommand)
	{
	switch ( aCommand )
		{
		case EAknSoftkeyBack:
		case EEikCmdExit:
			{
			Exit();
			}
			break;

		case EInternetEmailCmdFetch:
			{
			// 1. first we initiate asynchornous mailcommand
			iModel->RemoteFetchL();

			// 2. then we show modal wait dialog to user
			iWaitDialog = new (ELeave) CAknWaitDialog(
			reinterpret_cast<CEikDialog**> (&iWaitDialog));
			iWaitDialog->SetCallback(this);
			iWaitDialog->ExecuteLD( R_WAIT_NOTE ); //resource based dialog
			}
			break;

		case EInternetEmailCmdSetPop:
			{
			if( !iModel->CheckIfExistsL( EProtocolPop3 ) )
				{
				ShowNoteL(R_NO_POP3_DEFINED);
				}
			else
				{
				iModel->SetProtocolL( EProtocolPop3 );
				}
			}
			break;

		case EInternetEmailCmdSetImap:
			{
			if( !iModel->CheckIfExistsL( EProtocolImap4 ) )
				{
				ShowNoteL(R_NO_IMAP4_DEFINED);
				}
			else
				{
				iModel->SetProtocolL( EProtocolImap4 );
				}
			}
			break;

		default:
			break;
		}
	}

// --------------------------------------------------
// CInternetEmailEngine* CInternetEmailAppUi::Model()
// --------------------------------------------------
//
CInternetEmailEngine* CInternetEmailAppUi::Model()
	{
	return iModel;
	}


// -------------------------------------------------
// void CInternetEmailAppUi::ShowNote( TInt aResId )
//  helper method which creates CAknInformation note
//	from localized resource files with given res.id.
// -------------------------------------------------
//
void CInternetEmailAppUi::ShowNoteL( const TInt &aResId ) const
	{
		HBufC* textResource = StringLoader::LoadLC( aResId );
		CAknInformationNote* informationNote = new (ELeave) CAknInformationNote;
		informationNote->ExecuteLD(textResource->Des());
		CleanupStack::PopAndDestroy(textResource);
	}

// --------------------------------------------------------------------------------
// CInternetEmailAppUi::HandleEngineChangedEventL(TInternetEmailEngineEvent aEvent)
//  From MInternetEmailEngineObserver.
//  Callback which is called from CInternetEmailEngine when email view
//  needs to be updated as model have changed. This event is also used to
//  close wait dialog.
// --------------------------------------------------------------------------------
//
void CInternetEmailAppUi::HandleEngineChangedEventL(TInternetEmailEngineEvent aEvent)
	{
	switch(aEvent)
		{
		case ERemoteCountChanged:
			{
			if( iWaitDialog ) //signal waitdialog to finish
				{
				iWaitDialog->ProcessFinishedL();
				delete iWaitDialog;
				iWaitDialog = NULL;
				}
			iAppContainer->MailCountChange();
			iAppContainer->DrawDeferred();
			}
			break;
		}
	}

// --------------------------------------------------------------
// void CInternetEmailAppUi::DialogDismissedL(TInt /*aButtonId*/)
//  From MProgressDialogCallback.
//  Callback which is called from CAknWaitDialog if
//  user has dismissed the wait note.
// --------------------------------------------------------------
//
void CInternetEmailAppUi::DialogDismissedL(TInt /*aButtonId*/)
	{
	iModel->CancelOperation();
	}

// End of File