examples/AppFramework/UIControls/ControlFramework/src/ControlFrameworkAppUi.cpp

// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
//

#include "ControlFrameworkAppUi.h"
#include "ControlFrameworkView.h"
#include "ControlFramework.hrh"
#include "uikon.hrh"


CControlFrameworkAppUi::CControlFrameworkAppUi()
        {
        }

CControlFrameworkAppUi::~CControlFrameworkAppUi()
        {
        // Deregister the view(s) from the view server, remove the view(s) from the control stack
        // and delete them
        TInt view = iAppViews.Count();
        while (view--)
                {
                CControlFrameworkView* v = iAppViews[view];
                RemoveFromStack(v);
                DeregisterView(*v);
                }
        iAppViews.ResetAndDestroy();
        }

// Second phase constructor of the application UI.
// It creates and owns a single view. The view is not fully constructed 
// (via ViewConstructL()) until the first time the view is activated,
// to improve application startup time.
void CControlFrameworkAppUi::ConstructL()
        {
        BaseConstructL(CEikAppUi::EStandardApp);
        
        // Create the view
        CControlFrameworkView* view = CControlFrameworkView::NewLC(*this);
        AddViewL(view);
        CleanupStack::Pop(view);
        }


// Called by the UI framework when a command has been issued 
// by one of the toolbar buttons.
void CControlFrameworkAppUi::HandleCommandL(TInt aCommandId)
        {
        CControlFrameworkView& view = *iAppViews[EExampleView];
        switch (aCommandId)
                {
                // command IDs are defined in the hrh file.
                case ECmdToggleBoldFont:
                        view.ToggleBold();
                        break;
                
                case ECmdToggleItalicFont:      
                        view.ToggleItalic();
                        break;
                
                case ECmdToggleUnderline: 
                        view.ToggleUnderline();
                        break;
                        
                case ECmdToggleStrikethrough: 
                        view.ToggleStrikethrough();
                        break;
                                
                default:                                
                case EEikCmdExit:
                        Exit();
                }
        }


static void CleanupRemoveFromStack(TAny* aView)
        { 
        static_cast<CEikAppUi*>(CCoeEnv::Static()->AppUi())->RemoveFromStack(static_cast<CControlFrameworkView*>(aView)); 
        }

static void CleanupDeregisterView(TAny* aView) 
        { 
        static_cast<CEikAppUi*>(CCoeEnv::Static()->AppUi())->DeregisterView(*static_cast<CControlFrameworkView*>(aView)); 
        }

// Adds the view to the app UI's control stack and registers it with the view server. 
// Takes ownership of the view.
void CControlFrameworkAppUi::AddViewL(CControlFrameworkView* aView)
        {
        ASSERT(aView);
        ASSERT(KErrNotFound == iAppViews.Find(aView));
                
        RegisterViewL(*aView); // Call RegisterViewL before AddToStackL to avoid panic in destructor if AddToStackL leaves 
        CleanupStack::PushL(TCleanupItem(CleanupDeregisterView,aView)); 
        
        AddToStackL(*aView, aView); 
        CleanupStack::PushL(TCleanupItem(CleanupRemoveFromStack, aView)); 
        
        iAppViews.AppendL(aView); 
        CleanupStack::Pop(2); 
        }

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