phonebookui/Phonebook/PbkUI/src/CPbkControlContainer.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 10:12:17 +0200
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/*
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* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*       Methods for Common control container class.
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*
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*/
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// INCLUDE FILES
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#include    <CPbkControlContainer.h>
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#include    <MPbkKeyEventHandler.h>
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/// Unnamed namespace for local definitions
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namespace {
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// MODULE DATA STRUCTURES
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#ifdef _DEBUG
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enum TPanicCode
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    {
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    EPanicPostCond_Constructor = 1,
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    EPanicPreCond_ConstructL,
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    EPanicPostCond_ConstructL,
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    EPanicPostCond_DestroyControl,
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    EPanicPreCond_SetCoeControlL,
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    EPanicPostCond_SetCoeControlL,
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    EPanicPreCond_ComponentControl,
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    };
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void Panic(TPanicCode aReason)
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    {
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    _LIT(KPanicText, "CPbkControlContainerImpl");
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    User::Panic(KPanicText,aReason);
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    }
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#endif // _DEBUG
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} // namespace
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// ================= MEMBER FUNCTIONS =======================
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EXPORT_C CPbkControlContainerImpl::CPbkControlContainerImpl
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        (MPbkKeyEventHandler* aKeyEventHandler) :
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        iKeyEventHandler(aKeyEventHandler)
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    {
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    SetComponentsToInheritVisibility(ETrue);
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    __ASSERT_DEBUG(!iControl, Panic(EPanicPostCond_Constructor));
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    }
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EXPORT_C void CPbkControlContainerImpl::ConstructL(MObjectProvider& aProvider)
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    {
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    // PreCond
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    __ASSERT_DEBUG(!iControl, Panic(EPanicPreCond_ConstructL));
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    SetMopParent(&aProvider);
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    // Create a window, this is the top-level container control
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    CreateWindowL();
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    // PostCond
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    __ASSERT_DEBUG(!iControl && OwnsWindow(), Panic(EPanicPostCond_ConstructL));
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    }
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EXPORT_C void CPbkControlContainerImpl::DestroyControl()
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    {
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    if (iOwnsControl)
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        {
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        delete iControl;
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        iControl = NULL;
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        __ASSERT_DEBUG(!CoeControl(), Panic(EPanicPostCond_DestroyControl));
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        }
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    }
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EXPORT_C CPbkControlContainerImpl::~CPbkControlContainerImpl()
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    {
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    if (iOwnsControl)
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		{
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		delete iControl;
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		}
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    }
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EXPORT_C CCoeControl* CPbkControlContainerImpl::CoeControl() const
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    {
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    return iControl;
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    }
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EXPORT_C MPbkKeyEventHandler* CPbkControlContainerImpl::KeyEventHandler() const
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    {
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    return iKeyEventHandler;
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    }
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EXPORT_C void CPbkControlContainerImpl::SetKeyEventHandler
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        (MPbkKeyEventHandler* aKeyEventHandler)
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    {
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    iKeyEventHandler = aKeyEventHandler;
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    }
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EXPORT_C void CPbkControlContainerImpl::SetHelpContext
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        (const TCoeHelpContext& aContext)
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    {
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    iHelpContext = aContext;
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    }
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EXPORT_C void CPbkControlContainerImpl::GetHelpContext
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        (TCoeHelpContext& aContext) const
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    {
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    aContext = iHelpContext;
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    }
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EXPORT_C void CPbkControlContainerImpl::SetCoeControl(
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        CCoeControl* aControl, 
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        const TRect& aRect, 
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        TBool aOwnsControl/*=ETrue*/)
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    {
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    __ASSERT_DEBUG(OwnsWindow(), Panic(EPanicPreCond_SetCoeControlL));
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    // Set the control
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    if (aControl != iControl)
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        {
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        if (iOwnsControl)
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			{
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			delete iControl;
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			}
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        iControl = aControl;
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        }
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   138
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    // Store ownership request
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    iOwnsControl = aOwnsControl;
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    // Set rectangle
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    SetRect(aRect);
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   144
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    __ASSERT_DEBUG(CoeControl()==aControl, Panic(EPanicPostCond_SetCoeControlL));
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    }
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EXPORT_C TKeyResponse CPbkControlContainerImpl::OfferKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType)
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    {
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    // Offer key event first to the key event handler
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    if (iKeyEventHandler && iKeyEventHandler->PbkProcessKeyEventL(aKeyEvent,aType))
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        {
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        return EKeyWasConsumed;
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        }
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    // Not consumed by the key handler, offer to the control next
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    if (iControl)
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        {
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        return iControl->OfferKeyEventL(aKeyEvent, aType);
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        }
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    return EKeyWasNotConsumed;
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    }
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   162
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EXPORT_C TInt CPbkControlContainerImpl::CountComponentControls() const
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    {
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    // iControl is the only subcontrol
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    return iControl ? 1 : 0;
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    }
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   168
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EXPORT_C CCoeControl* CPbkControlContainerImpl::ComponentControl(TInt aIndex) const
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    {
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    // PreCond: Assert that the control is assigned and aIndex is sensible
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    __ASSERT_DEBUG(iControl && aIndex==0, Panic(EPanicPreCond_ComponentControl));
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	// Suppress the unreferenced variable warning
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	(void) aIndex;
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    // iControl is the only subcontrol
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    return iControl;
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    }
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   180
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EXPORT_C void CPbkControlContainerImpl::SizeChanged()
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    {
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    if (iControl)
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        {
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        // Set the control's rectangle to fill this container's rectangle
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        iControl->SetRect(Rect());
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        }
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    }
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   189
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EXPORT_C void CPbkControlContainerImpl::FocusChanged(TDrawNow aDrawNow)
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    {
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	if (iControl && !IsNonFocusing())
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        {
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		iControl->SetFocus(IsFocused(), aDrawNow);
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        }
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    }
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   197
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//  End of File