javauis/lcdui_akn/lcdui/src/CMIDCanvasGraphicsItem.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 14 May 2010 15:47:24 +0300
changeset 23 98ccebc37403
parent 21 2a9601315dfc
child 25 9ac0a0a7da70
permissions -rw-r--r--
Revision: v2.1.24 Kit: 201019

/*
* Copyright (c) 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:  CMIDCanvasGraphicsItem - Implements the native part Canvas Graphics Item class.
*
*/

// EXTERNAL INCLUDES
#include <MMIDCustomComponentContainer.h>
#include <lcdui.h>
#include <fbs.h>
#include <bitdev.h>
#include <bitstd.h>
#include <j2me/jdebug.h>

// INTERNAL INCLUDES
#include "CMIDCanvasGraphicsItem.h"
#include "CMIDCanvasGraphicsItemPainter.h"
#include "CMIDUtils.h"

// Count of compound components in this custom component.
const TInt KComponentCount      = 1;

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::NewL
// ---------------------------------------------------------------------------
//
CMIDCanvasGraphicsItem* CMIDCanvasGraphicsItem::NewL(
    const TCtorParams& aParams)
{
    CMIDCanvasGraphicsItem* self = new(ELeave) CMIDCanvasGraphicsItem();
    CleanupStack::PushL(self);
    self->ConstructL(aParams);
    CleanupStack::Pop(self);
    return self;
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::ConstructL
// ---------------------------------------------------------------------------
//
void CMIDCanvasGraphicsItem::ConstructL(const TCtorParams& aParams)
{
    // Set painter
    iItemPainter = aParams.iPainterHandle;
    iComponentContainer = NULL;
    iUtils = aParams.iUtils;
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::CMIDCanvasGraphicsItem
// ---------------------------------------------------------------------------
//
CMIDCanvasGraphicsItem::CMIDCanvasGraphicsItem()
{
    // No implementation.
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::~CMIDCanvasGraphicsItem
// ---------------------------------------------------------------------------
//
CMIDCanvasGraphicsItem::~CMIDCanvasGraphicsItem()
{
    DEBUG("CMIDCanvasGraphicsItem::~CMIDCanvasGraphicsItem +");

    // Remove this component from the container if set.
    if (iComponentContainer)
    {
        iComponentContainer->UnregisterComponent(this);
    }

    DEBUG("CMIDCanvasGraphicsItem::~CMIDCanvasGraphicsItem -");
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::CustomComponentControlCount
// (other items are commented in the header file)
// ---------------------------------------------------------------------------
//
TInt CMIDCanvasGraphicsItem::CustomComponentControlCount() const
{
    return KComponentCount;
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::CustomComponentControl
// (other items are commented in the header file)
// ---------------------------------------------------------------------------
//
CCoeControl* CMIDCanvasGraphicsItem::CustomComponentControl(TInt aIndex)
{
    if (aIndex == 0)
    {
        return iItemPainter;
    }
    return NULL;
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::CustomComponentContainerDisposing
// (other items are commented in the header file)
// ---------------------------------------------------------------------------
//
void CMIDCanvasGraphicsItem::CustomComponentContainerDisposing()
{
    iComponentContainer = NULL;
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::SetParentL
// (other items are commented in the header file)
// ---------------------------------------------------------------------------
//
void CMIDCanvasGraphicsItem::SetParentL(
    MMIDCustomComponentContainer* aComponentContainer)
{
    DEBUG("CMIDCanvasGraphicsItem::SetParentL +");

    // Remove association from the previous container.
    if (iComponentContainer)
    {
        DEBUG("CMIDCanvasGraphicsItem::SetParentL, unregistering old association");

        iComponentContainer->UnregisterComponent(this);
        iComponentContainer = NULL;
    }

    // Associate this component to the new container.
    if (aComponentContainer)
    {
        DEBUG("CMIDCanvasGraphicsItem::SetParentL, registering new");

        // Register this custom component to the container.
        aComponentContainer->RegisterComponentL(this);
        // Initializes painter with the new parent
        iItemPainter->SetParentL(aComponentContainer);
    }

    // Store container. NULL is ok.
    iComponentContainer = aComponentContainer;

    DEBUG("CMIDCanvasGraphicsItem::SetParentL -");
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::SetDirectContainerL
// (other items are commented in the header file)
// ---------------------------------------------------------------------------
//
void CMIDCanvasGraphicsItem::SetDirectContainerL(
    MDirectContainer* aDirectContainer)
{
    iItemPainter->SetDirectContainerL(aDirectContainer);
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::SetElevationL
// (other items are commented in the header file)
// ---------------------------------------------------------------------------
//
void CMIDCanvasGraphicsItem::SetElevationL(TInt aElevation)
{
    DEBUG_INT("CMIDCanvasGraphicsItem::SetElevationL +, aElevation=%d",
              aElevation);

    // Parent must have been set.
    __ASSERT_DEBUG(iComponentContainer, User::Invariant());

    // The elevation is handled in custom component container.
    iComponentContainer->SetComponentIndexL(this, aElevation);

    DEBUG("CMIDCanvasGraphicsItem::SetElevationL -");
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::Elevation
// (other items are commented in the header file)
// ---------------------------------------------------------------------------
//
TInt CMIDCanvasGraphicsItem::Elevation()
{
    DEBUG("CMIDCanvasGraphicsItem::Elevation +");

    // Parent must have been set.
    __ASSERT_DEBUG(iComponentContainer, User::Invariant());

    // The elevation is retrieved from custom component container
    TInt index = iComponentContainer->ComponentIndex(this);

    DEBUG_INT("CMIDCanvasGraphicsItem::Elevation - index=%d", index);

    return index;
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::Show
// (other items are commented in the header file)
// ---------------------------------------------------------------------------
//
void CMIDCanvasGraphicsItem::SetVisibleL(TBool aVisible)
{
    DEBUG_INT("CMIDCanvasGraphicsItem::SetVisibleL +, aVisible=%d", aVisible);

    // SetParentL must be called before Show.
    __ASSERT_DEBUG(iComponentContainer, User::Invariant());

    iItemPainter->SetVisibleL(aVisible);

    DEBUG("CMIDCanvasGraphicsItem::SetVisibleL -");
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::SetSizeL
// (other items are commented in the header file)
// ---------------------------------------------------------------------------
//
void CMIDCanvasGraphicsItem::SetSizeL(const TInt aWidth, const TInt aHeight)
{
    DEBUG_INT2(
        "CMIDCanvasGraphicsItem::SetItemSize +, aWidth=%d, aHeight=%d",
        aWidth, aHeight);

    iItemPainter->SetItemSizeL(aWidth, aHeight);

    DEBUG("CMIDCanvasGraphicsItem::SetItemSize -");
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::SetPosition
// (other items are commented in the header file)
// ---------------------------------------------------------------------------
//
void CMIDCanvasGraphicsItem::SetPosition(const TInt aX, const TInt aY)
{
    DEBUG_INT2("CMIDCanvasGraphicsItem::SetPosition +, aX=%d, aY=%d", aX, aY);

    iItemPainter->SetPosition(aX, aY);

    DEBUG("CMIDCanvasGraphicsItem::SetPosition -");
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::Dispose
// (other items are commented in the header file)
// ---------------------------------------------------------------------------
//
void CMIDCanvasGraphicsItem::Dispose()
{
    DEBUG("CMIDCanvasGraphicsItem::Dispose +");

    delete this;

    DEBUG("CMIDCanvasGraphicsItem::Dispose -");
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::HandleFullscreenModeChange
// Intentionally this is not implemented.
// CanavsGraohicsItem is not doing any action in this case.
// ---------------------------------------------------------------------------
//
void CMIDCanvasGraphicsItem::HandleFullscreenModeChange()
{
}

// ---------------------------------------------------------------------------
// CMIDCanvasGraphicsItem::HandleResolutionChange
// Intentionally this is not implemented.
// CanavsGraohicsItem is not doing any action in this case.
// ---------------------------------------------------------------------------
//
void CMIDCanvasGraphicsItem::HandleResolutionChange()
{
}

// End of file