bitmapdrawview.cpp

来自「s60源码」· C++ 代码 · 共 144 行

/**
 * 
 * @brief Definition of CBitmapDrawView
 *
 * Copyright (c) EMCC Software Ltd 2003
 * @version 1.0
 */

// INCLUDES

//  Class include
#include "BitmapDrawView.h"

// System includes
#include <aknviewappui.h>	// CAknViewAppUi
#include <Bitmap.rsg>	// R_BITMAP_DRAWVIEW

// User includes
#include "BitmapDrawContainer.h"	// CBitmapDrawContainer
#include "Bitmap.hrh"	// TBitmapViewNumber

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

/** 
 * Destructor.  
 */

CBitmapDrawView::~CBitmapDrawView()
	{
	delete iContainer;
	}

/**
 * Symbian OS 2 phase constructor.
 * Constructs the CBitmapDrawView using the NewLC method, popping
 * the constructed object from the CleanupStack before returning it.
 * 
 * @param aRect The rectangle for this window
 * @return The newly constructed CBitmapDrawView
 */

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

/**
 * Symbian OS 2 phase constructor.
 * Constructs the CBitmapDrawView using the constructor and ConstructL 
 *  method, leaving the constructed object on the CleanupStack before returning it.
 * 
 * @param aRect The rectangle for this window
 * @return The newly constructed CBitmapDrawView
 */

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

/**
 * Symbian OS 2nd phase constructor.  
 * Uses the superclass constructor to construct the view using the 
 * R_BITMAP_DRAWVIEW resource.
 */ 

void CBitmapDrawView::ConstructL()
	{
	BaseConstructL(R_BITMAP_DRAWVIEW);
	}

/**
 * Called by the framework
  * @return The Uid for this view
 */

TUid CBitmapDrawView::Id() const
	{
	return TUid::Uid(EBitmapDrawViewId);
	}

/**
 * Called by the framework when the view is activated.  Constructs the 
 * container if necessary, setting this view as its MOP parent, and 
 * adding it to the control stack.
 */

void CBitmapDrawView::DoActivateL(const TVwsViewId& /*aPrevViewId*/,
										 TUid /*aCustomMessageId*/,
										 const TDesC8& /*aCustomMessage*/)
	{
	if (!iContainer)
		{
		iContainer = CBitmapDrawContainer::NewL(ClientRect());
		iContainer->SetMopParent(this);
		AppUi()->AddToStackL(*this, iContainer);
		}	  
	}

/**
 * Called by the framework when the view is deactivated.  
 * Removes the container from the control stack and deletes it.
 */

void CBitmapDrawView::DoDeactivate()
	{
	if (iContainer)
		{
		AppUi()->RemoveFromStack(iContainer);
		delete iContainer;
		iContainer = NULL;
		}
	}

/**
 * From CEikAppUi, takes care of command handling for this view.
 *
 * @param aCommand command to be handled
 */

void CBitmapDrawView::HandleCommandL(TInt aCommand)
	{
	
	switch (aCommand)
		{
		case EAknSoftkeyBack:
			{
			AppUi()->HandleCommandL(EEikCmdExit);
			break;
			}
		default:
			{
			AppUi()->HandleCommandL(aCommand);
			}
		}
	}

// End of File