smscryptosymbiancppuitexteditorview.cpp

symbian 发送短信例子 S60 SMS Sample

/*
* ============================================================================
*  Name     : SMSCryptoSymbianCppUITextEditorView.cpp
*  Part of  : Open C SMS Crypto Example
*  Created  : 05/25/2007 by Forum Nokia
*  Version  : 1.0
*  Copyright: Nokia Corporation
* ============================================================================
*/

#include <aknviewappui.h>
#include <eikmenub.h>
#include <avkon.hrh>
#include <barsread.h>
#include <stringloader.h>
#include <gdi.h>
#include <eikedwin.h>
#include <eikenv.h>
#include <akncontext.h>
#include <akntitle.h>
#include <eikbtgpc.h>
#include <SMSCryptoSymbianCppUI.rsg>

#include "SMSCryptoSymbianCppUI.hrh"
#include "SMSCryptoSymbianCppUITextEditorView.h"
#include "SMSCryptoSymbianCppUIListBox.hrh"
#include "SMSCryptoSymbianCppUITextEditor.hrh"
#include "SMSCryptoSymbianCppUITextEditor.h"
#include "SMSCryptoSymbianCppUIAppUi.h"

/**
 * First phase of Symbian two-phase construction. Should not contain any
 * code that could leave.
 */
CSMSCryptoSymbianCppUITextEditorView::CSMSCryptoSymbianCppUITextEditorView()
	{
	iSMSCryptoSymbianCppUITextEditor = NULL;
	}

/** 
 * The view's destructor removes the container from the control
 * stack and destroys it.
 */
CSMSCryptoSymbianCppUITextEditorView::~CSMSCryptoSymbianCppUITextEditorView()
	{
	delete iSMSCryptoSymbianCppUITextEditor;
	iSMSCryptoSymbianCppUITextEditor = NULL;
	}

/**
 * Symbian two-phase constructor.
 * This creates an instance then calls the second-phase constructor
 * without leaving the instance on the cleanup stack.
 * @return new instance of CSMSCryptoSymbianCppUITextEditorView
 */
CSMSCryptoSymbianCppUITextEditorView* CSMSCryptoSymbianCppUITextEditorView::NewL()
	{
	CSMSCryptoSymbianCppUITextEditorView* self = CSMSCryptoSymbianCppUITextEditorView::NewLC();
	CleanupStack::Pop( self );
	return self;
	}

/**
 * Symbian two-phase constructor.
 * This creates an instance, pushes it on the cleanup stack,
 * then calls the second-phase constructor.
 * @return new instance of CSMSCryptoSymbianCppUITextEditorView
 */
CSMSCryptoSymbianCppUITextEditorView* CSMSCryptoSymbianCppUITextEditorView::NewLC()
	{
	CSMSCryptoSymbianCppUITextEditorView* self = new ( ELeave ) CSMSCryptoSymbianCppUITextEditorView();
	CleanupStack::PushL( self );
	self->ConstructL();
	return self;
	}


/**
 * Second-phase constructor for view.  
 * Initialize contents from resource.
 */ 
void CSMSCryptoSymbianCppUITextEditorView::ConstructL()
	{
	BaseConstructL( R_SMSCRYPTO_SYMBIAN_CPPUITEXT_EDITOR_SMSCRYPTO_SYMBIAN_CPPUITEXT_EDITOR_VIEW );
	}
	
/**
 * @return The UID for this view
 */
TUid CSMSCryptoSymbianCppUITextEditorView::Id() const
	{
	return TUid::Uid( ESMSCryptoSymbianCppUITextEditorViewId );
	}

/**
 * Handle a command for this view (override)
 * @param aCommand command id to be handled
 */
void CSMSCryptoSymbianCppUITextEditorView::HandleCommandL( TInt aCommand )
	{   
	TBool commandHandled = EFalse;
	switch ( aCommand )
		{	// code to dispatch to the AknView's menu and CBA commands is generated here
		case ESMSCryptoSymbianCppUITextEditorViewSendMenuItemCommand:
			commandHandled = HandleSendMenuItemSelectedL( aCommand );
			break;
		case ESMSCryptoSymbianCppUITextEditorViewBackMenuItemCommand:
			CAknView::AppUi()->HandleCommandL( aCommand );
			break;
		default:
			break;
		}
	
		
	if ( !commandHandled ) 
		{
		if ( aCommand == EAknSoftkeyExit )
			{
			AppUi()->HandleCommandL( EEikCmdExit );
			}
		}

	}

/**
 *	Handles user actions during activation of the view, 
 *	such as initializing the content.
 */
void CSMSCryptoSymbianCppUITextEditorView::DoActivateL(
		const TVwsViewId& /*aPrevViewId*/,
		TUid /*aCustomMessageId*/,
		const TDesC8& /*aCustomMessage*/ )
	{
	SetupStatusPaneL();
	
	CEikButtonGroupContainer* cba = AppUi()->Cba();
	if ( cba != NULL ) 
		{
		cba->MakeVisible( EFalse );
		}
	
	if ( iSMSCryptoSymbianCppUITextEditor == NULL )
		{
		iSMSCryptoSymbianCppUITextEditor = CSMSCryptoSymbianCppUITextEditor::NewL( ClientRect(), NULL, this );
		iSMSCryptoSymbianCppUITextEditor->SetMopParent( this );
		AppUi()->AddToStackL( *this, iSMSCryptoSymbianCppUITextEditor );
		} 

	iMyAppUi = (CSMSCryptoSymbianCppUIAppUi*)iAvkonAppUi;
	iSMSCryptoSymbianCppUITextEditor->SetSMSL( iMyAppUi->GetSMSL() );
	iSMSCryptoSymbianCppUITextEditor->ReadSMSInEditorL();
	iSMSCryptoSymbianCppUITextEditor->SetTextEditorStateL();
	}

/**
 */
void CSMSCryptoSymbianCppUITextEditorView::DoDeactivate()
	{
	CleanupStatusPane();
	
	CEikButtonGroupContainer* cba = AppUi()->Cba();
	if ( cba != NULL ) 
		{
		cba->MakeVisible( ETrue );
		cba->DrawDeferred();
		}
	
	if ( iSMSCryptoSymbianCppUITextEditor != NULL )
		{
		AppUi()->RemoveFromViewStack( *this, iSMSCryptoSymbianCppUITextEditor );
		delete iSMSCryptoSymbianCppUITextEditor;
		iSMSCryptoSymbianCppUITextEditor = NULL;
		}

	iMyAppUi->ClearSMSL();
	}

void CSMSCryptoSymbianCppUITextEditorView::SetupStatusPaneL()
	{
	// reset the context pane
	TUid contextPaneUid = TUid::Uid( EEikStatusPaneUidContext );
	CEikStatusPaneBase::TPaneCapabilities subPaneContext = 
		StatusPane()->PaneCapabilities( contextPaneUid );
	if ( subPaneContext.IsPresent() && subPaneContext.IsAppOwned() )
		{
		CAknContextPane* context = static_cast< CAknContextPane* > ( 
			StatusPane()->ControlL( contextPaneUid ) );
		context->SetPictureToDefaultL();
		}
	
	// setup the title pane
	TUid titlePaneUid = TUid::Uid( EEikStatusPaneUidTitle );
	CEikStatusPaneBase::TPaneCapabilities subPaneTitle = 
		StatusPane()->PaneCapabilities( titlePaneUid );
	if ( subPaneTitle.IsPresent() && subPaneTitle.IsAppOwned() )
		{
		CAknTitlePane* title = static_cast< CAknTitlePane* >( 
			StatusPane()->ControlL( titlePaneUid ) );
		TResourceReader reader;
		iEikonEnv->CreateResourceReaderLC( reader, R_SMSCRYPTO_SYMBIAN_CPPUITEXT_EDITOR_TITLE_RESOURCE );
		title->SetFromResourceL( reader );
		CleanupStack::PopAndDestroy(); // reader internal state
		}
				
	}

void CSMSCryptoSymbianCppUITextEditorView::CleanupStatusPane()
	{
	}

/** 
 * Handle status pane size change for this view (override)
 */
void CSMSCryptoSymbianCppUITextEditorView::HandleStatusPaneSizeChange()
	{
	CAknView::HandleStatusPaneSizeChange();
	
	// this may fail, but we're not able to propagate exceptions here
	TInt result;
	TRAP( result, SetupStatusPaneL() ); 
	}

/** 
 * Handle the selected event.
 * @param aCommand the command id invoked
 * @return ETrue if the command was handled, EFalse if not
 */
TBool CSMSCryptoSymbianCppUITextEditorView::HandleSendMenuItemSelectedL( TInt /*aCommand*/ )
	{
	iSMSCryptoSymbianCppUITextEditor->SendSMSL();
	return ETrue;
	}