animationcontainer.cpp

symbian下的ui开发必不可少的启动程序或在程序进入忙碌中动态屏幕开发

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

// INCLUDES

//  Class include
#include "AnimationContainer.h"

// System includes
#include <AknBitmapAnimation.h>
#include <Animation.rsg>
#include <barsread.h>
#include <eikenv.h>

// User include

// CONSTANTS


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

/**
 * Symbian OS 2 phase constructor.
 * Constructs the CAnimationContainer 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 CAnimationContainer
 */

CAnimationContainer* CAnimationContainer::NewL(const TRect& aRect)
	{
	CAnimationContainer* self = CAnimationContainer::NewLC(aRect);
	CleanupStack::Pop(self);
	return self;
	}

/**
 * Symbian OS 2 phase constructor.
 * Constructs the CAnimationContainer 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 CAnimationContainer
 */

CAnimationContainer* CAnimationContainer::NewLC(const TRect& aRect)
	{
	CAnimationContainer* self = new (ELeave) CAnimationContainer;
	CleanupStack::PushL(self);
	self->ConstructL(aRect);
	return self;
	}

/**
 * Symbian OS 2nd phase constructor.  Creates a Window for the controls, which it contains.
 * Constructs a label and adds it to the window, which it then activates.
 * @param aRect The rectangle for this window
 */
 
void CAnimationContainer::ConstructL(const TRect& aRect)
	{
	CreateWindowL();	
	SetRect(aRect);
	ActivateL();

	StartAnimationL();
	}

/** 
 * Destructor.  
 */

CAnimationContainer::~CAnimationContainer()
	{
	CancelAnimation();
	}

/**
 * Create CAknBitmapAnimation object via resource file mechanism and
 * starts animation.
 *
 */

void CAnimationContainer::StartAnimationL()
	{
	//delete iAnimation;
	//iAnimation = 0;
	iAnimation = CAknBitmapAnimation::NewL(); // instantiate CAknBitmapAnimation
	TResourceReader reader;
	iCoeEnv->CreateResourceReaderLC(reader, R_ANIMATION_EXAMPLE_DATA); // map resource to resource reader
	iAnimation->ConstructFromResourceL(reader); // provide animation control with animation data
	iAnimation->SetContainerWindowL(*this); // animation control needs a window
	iAnimation->StartAnimationL(); // start animation
	CleanupStack::PopAndDestroy();//reader	
	}

/**
 * Cancels and deletes CAknBitmapAnimation object
 */

void CAnimationContainer::CancelAnimation()
	{
	if(iAnimation)
		{
		iAnimation->CancelAnimation();
		delete iAnimation;
		iAnimation = 0;
		}	
	}


// End of File