examples/Graphics/coverflow/src/coverflowappui.cpp

/*
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� list of conditions and the following disclaimer.
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� this list of conditions and the following disclaimer in the documentation
� and/or other materials provided with the distribution.
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� may be used to endorse or promote products derived from this software
� without specific prior written permission.

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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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Description:� 
*/

// INCLUDE FILES
#include <avkon.hrh>
#include <aknnotewrappers.h>
#include <stringloader.h>
#include <CoverflowApp.rsg>
#include <f32file.h>
#include <s32file.h>

#include "CoverflowApp.pan"
#include "CoverflowAppUi.h"
#include "CoverflowAppView.h"
//#include "CoverflowApph"
#include "eglrendering.h"

_LIT( KHelloFileName, "Hello.txt" );

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


// -----------------------------------------------------------------------------
// CCoverflowAppUi::ConstructL()
// Symbian 2nd phase constructor can leave.
// -----------------------------------------------------------------------------
//
void CCoverflowAppUi::ConstructL()
    {
    // Create the app framework.
        CAknAppUi::BaseConstructL(ENoAppResourceFile);
        iAppView = new(ELeave) CCoverflowAppView(*this);
        iAppView->ConstructL(ClientRect());
        AddToStackL(iAppView);

        iAppView->ActivateL();
        // Constructs object responsible for Demo.
        iDemo = CEGLRendering::NewL(iAppView->Window());

        iDemo->Start();
        // Construct ticker.
        TRect rcTicker(ClientRect());

    #ifdef PORTRAIT_MODE
        iTicker = CTicker::NewL(TRect(rcTicker.Width() - (KFontHeight + 4), 0, rcTicker.Width(),rcTicker.Height()), KNews);
    #else
        iTicker = CTicker::NewL(TRect(0,rcTicker.Height() - (KFontHeight + 4), rcTicker.Width(),rcTicker.Height()), KNews);
    #endif

        iPlayingTicker = EFalse;

        // Construct the dialogue Box.
        // Get a 212x76 pixel box in the centre of the window.
        TRect rcDialog(ClientRect());

    #ifdef PORTRAIT_MODE
        rcDialog.Shrink((rcDialog.Width() - 76) / 2, (rcDialog.Height() - 212) / 2);
    #else
        rcDialog.Shrink((rcDialog.Width() - 212) / 2, (rcDialog.Height() - 76) / 2);
    #endif

        iDialogBox = CDialogBox::NewL(rcDialog);
        iCallWindow = EFalse;   

    }
// -----------------------------------------------------------------------------
// CCoverflowAppUi::CCoverflowAppUi()
// C++ default constructor can NOT contain any code, that might leave.
// -----------------------------------------------------------------------------
//
CCoverflowAppUi::CCoverflowAppUi()
    {
    // No implementation required
    }

// -----------------------------------------------------------------------------
// CCoverflowAppUi::~CCoverflowAppUi()
// Destructor.
// -----------------------------------------------------------------------------
//
CCoverflowAppUi::~CCoverflowAppUi()
    {
    delete iDemo;
    if (iAppView)
        {
        RemoveFromStack(iAppView);
        delete iAppView;
        iAppView = NULL;
        }
    delete iTicker;
    delete iDialogBox;
    }

TKeyResponse CCoverflowAppUi::HandleKeyEventL(const TKeyEvent& aKeyEvent,TEventCode /*aType*/)
    {
    TKeyResponse response = EKeyWasConsumed;
    switch (aKeyEvent.iCode)
        {
    case EKeyEscape:
        // Exit the application if the escape key is pressed.
        Exit();
        break;

    case EKeyDownArrow:
        // Enable or disable the ticker playback if down arrow key is pressed.
        if(!iPlayingTicker)
            {
            iTicker->Start();
            iPlayingTicker = ETrue;
            }
        else
            {
            iTicker->Stop();
            iPlayingTicker = EFalse;
            }
        break;
    case EKeyUpArrow:
        // Show or hide the call window if up arrow key is pressed.
        if(!iCallWindow)
            {
            iDialogBox->Start();
            iCallWindow = ETrue;
            }
        else
            {
            iDialogBox->Stop();
            iCallWindow = EFalse;
            }
        break;
    case EKeyTab:
        // Show or hide the semi-transparent green window around the call window if tab key is pressed.
        if(iCallWindow)
            {
            if(!iDialogBox->IsSemiTransparent())
                iDialogBox->SetSemiTransparency();
            else
                iDialogBox->RemoveSemiTransparency();
            }
        break;
    case EKeyRightArrow:
    case EKeyLeftArrow:
    case EKeyBackspace:
    case EKeySpace:
        response = iDemo->HandleKeyEventL(aKeyEvent);
        break;
    default:
        response = EKeyWasNotConsumed;
        }
    return response;
    }

// End of File

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