simplecontrolview.cpp

来自「series60 应用程序开发的源代码 series60 应用程序开发的源代码」· C++ 代码 · 共 137 行

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

// INCLUDES

//  Class include
#include "SimpleControlView.h"

// System includes
#include <aknviewappui.h>    // CAknViewAppUi
#include <Controls.rsg>    // R_Controls_VIEW1

// User includes
#include "SimpleControl.h"    // CSimpleControl
#include "Controls.hrh"    // TControlsViewNumber

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

/** 
* Destructor.  Frees up memory for the iLabel.
*/

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

/**
* Symbian OS 2 phase constructor.
* Constructs the CSimpleControlView 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 CSimpleControlView
*/
CSimpleControlView* CSimpleControlView::NewL()
{
    CSimpleControlView* self = CSimpleControlView::NewLC();
    CleanupStack::Pop(self);
    return self;
}

/**
* Symbian OS 2 phase constructor.
* Constructs the CSimpleControlView 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 CSimpleControlView
*/
CSimpleControlView* CSimpleControlView::NewLC()
{
    CSimpleControlView* self = new (ELeave) CSimpleControlView();
    CleanupStack::PushL(self);
    self->ConstructL();
    return self;
}

/**
* Symbian OS 2nd phase constructor.  
* Uses the superclass constructor to construct the view using the 
* R_Controls_VIEW1 resource.
*/ 
void CSimpleControlView::ConstructL()
{
    BaseConstructL(R_CONTROLS_VIEW1);
}

/**
* Called by the framework
* @return The Uid for this view
*/
TUid CSimpleControlView::Id() const
{
    return TUid::Uid(ESimpleControlViewId);
}

/**
* 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 CSimpleControlView::DoActivateL(const TVwsViewId& /*aPrevViewId*/,
                                         TUid /*aCustomMessageId*/,
                                         const TDesC8& /*aCustomMessage*/)
{
    if (!iContainer)
    {
        iContainer = CSimpleControl::NewL(ClientRect(), NULL);
        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 CSimpleControlView::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 CSimpleControlView::HandleCommandL(TInt aCommand)
{
    
    switch (aCommand)
    {
        case EAknSoftkeyBack:
        {
            AppUi()->HandleCommandL(EEikCmdExit);
            break;
        }
        default:
        {
            AppUi()->HandleCommandL(aCommand);
        }
    }
}

// End of File