author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 08:45:44 +0200 | |
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/* |
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* Copyright (c) 2008-2009 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: Command Handler interface |
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* |
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*/ |
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#ifndef M_GLXCOMMANDHANDLER_H |
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#define M_GLXCOMMANDHANDLER_H |
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#include <e32base.h> |
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#include <coedef.h> |
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#include <w32std.h> |
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#include <mpxattribute.h> |
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class CEikMenuPane; |
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/** |
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* MGlxCommandHandler |
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* |
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* Command handler interface |
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*/ |
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class MGlxCommandHandler |
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{ |
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public: |
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/** |
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* Execute the command, if applicable |
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* @param aCommand The command to handle |
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* @return ETrue iff command was handled |
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*/ |
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virtual TBool ExecuteL(TInt aCommand) = 0; |
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/** |
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* Modify a menu before it is displayed. |
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* @param aResourceId The resource ID of the menu |
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* @param aMenuPane The in-memory representation of the menu pane |
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*/ |
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virtual void DynInitMenuPaneL(TInt aResourceId, CEikMenuPane* aMenuPane) = 0; |
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/** |
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* Called when the owning view is activated |
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* @param aViewId The ID of the view |
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*/ |
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virtual void ActivateL(TInt aViewId) = 0; |
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/** |
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* Called when the owning view is deactivated |
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*/ |
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virtual void Deactivate() = 0; |
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/** |
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* Offers key events to the command handler |
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* @param aKeyEvent The key event. |
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* @param aType The type of key event: EEventKey, EEventKeyUp or EEventKeyDown |
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* @return Indicates whether or not the key event was used by this control. EKeyWasNotConsumed or EKeyWasConsumed |
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*/ |
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virtual TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType) = 0; |
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/** |
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* Perform any actions needed before the options menu is displayed. |
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* The view calling this must first arrange a wait dialog to be displayed, as this operation may take |
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* a long time to complete |
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* @param aResourceId Menu resource id |
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*/ |
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virtual void PreDynInitMenuPaneL( TInt aResourceId ) = 0; |
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/** |
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* Deriving classes should append required attributes to aAttributes |
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* @param aAttributes array to append attributes to. |
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* @param aFilterUsingSelection If ETrue, the deriving class should only append |
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* attributes relevant to the current selection, If EFalse all attributes |
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* should be appended. |
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* @param aFilterUsingCommandId If ETrue, only attributes relevant |
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* to the command id specified by aCommandId will be appended |
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* @param aCommandId if aFilterUsingCommandId is ETrue, only |
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* attributes relevant to aCommandId will be appened. |
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*/ |
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virtual void GetRequiredAttributesL(RArray< TMPXAttribute >& aAttributes, |
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TBool aFilterUsingSelection, |
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TBool aFilterUsingCommandId, |
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TInt aCommandId = 0) const = 0; |
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/** |
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* Destructor |
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*/ |
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virtual ~MGlxCommandHandler() {}; |
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}; |
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#endif // M_GLXCOMMANDHANDLER_H |