photosgallery/viewframework/commandhandlers/commoncommandhandlers/inc/glxcommandhandlerdownload.h
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     1 /*
       
     2 * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:    Download commmand handler
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 #ifndef __GLXCOMMANDHANDLERDOWNLOAD_H__
       
    22 #define __GLXCOMMANDHANDLERDOWNLOAD_H__
       
    23 
       
    24 
       
    25 
       
    26 //  INTERNAL INCLUDES
       
    27 #include "glxcommandhandler.h"
       
    28 
       
    29 
       
    30 // CLASS DECLARATION
       
    31 
       
    32 /**
       
    33  * @class CGlxCommandHandlerDownload
       
    34  *
       
    35  * Command handler that opens a browser to allow downloading of images 
       
    36  * or videos
       
    37  * @author David Holland
       
    38  * @internal reviewed 26/06/2007 by Rowland Cook  
       
    39  *
       
    40  */
       
    41 NONSHARABLE_CLASS(CGlxCommandHandlerDownload) :
       
    42                                    public CGlxCommandHandler
       
    43     {
       
    44 public:  // Constructors and destructor
       
    45     /**
       
    46     * Two-phased constructor.
       
    47     * @return pointer to CGlxCommandHandlerDownload object
       
    48     */
       
    49     IMPORT_C static CGlxCommandHandlerDownload* NewL();
       
    50 
       
    51         
       
    52     /**
       
    53     * Destructor.
       
    54     */
       
    55     IMPORT_C ~CGlxCommandHandlerDownload();
       
    56 
       
    57 
       
    58 private:
       
    59     /**
       
    60     * Symbian 2nd phase constructor
       
    61     */
       
    62     void ConstructL();
       
    63 
       
    64     /**
       
    65     * C++ default constructor.
       
    66     */
       
    67     CGlxCommandHandlerDownload();
       
    68 
       
    69 
       
    70 private: // From MGlxCommandHandler
       
    71     /**
       
    72      * Execute the command, if applicable
       
    73      * @param aCommand The command to handle
       
    74      * @return ETrue iff command was handled
       
    75      * see @ref MGlxCommandHandler::ExecuteL 
       
    76      */
       
    77    TBool ExecuteL(TInt aCommand);
       
    78     
       
    79     /**
       
    80      * Modify a menu before it is displayed.
       
    81      * Null implementation
       
    82      * @param aResourceId The resource ID of the menu
       
    83      * @param aMenuPane The in-memory representation of the menu pane
       
    84      * see @ref MGlxCommandHandler::DynInitMenuPaneL 
       
    85      */
       
    86     void DynInitMenuPaneL(TInt /*aResourceId*/, CEikMenuPane* /*aMenuPane*/) {};
       
    87     
       
    88     /**
       
    89      * Called when the owning view is activated
       
    90      * Null implementation
       
    91      * @param aViewId The ID of the view
       
    92      * see @ref CGlxCommandHandler::DoActivateL 
       
    93      */
       
    94     void DoActivateL(TInt /*aViewId*/) {};
       
    95 
       
    96     /**
       
    97      * Called when the owning view is deactivated
       
    98      * Null implementation
       
    99      * see @ref MGlxCommandHandler::Deactivate 
       
   100      */
       
   101     void Deactivate() {};
       
   102     
       
   103     /**
       
   104      * Offers key events to the command handler
       
   105      * Null implementation
       
   106      * @param aKeyEvent The key event. 
       
   107      * @param aType The type of key event: EEventKey, EEventKeyUp or EEventKeyDown
       
   108      * @return Indicates whether or not the key event was used by this control. EKeyWasNotConsumed or EKeyWasConsumed
       
   109      * see @ref MGlxCommandHandler::OfferKeyEventL 
       
   110      */
       
   111     TKeyResponse OfferKeyEventL(const TKeyEvent& /*aKeyEvent*/,
       
   112                             TEventCode /*aType*/) {return EKeyWasNotConsumed;};
       
   113 
       
   114     /**
       
   115      * Perform any actions needed before the options menu is displayed.
       
   116      * The view calling this must first arrange a wait dialog to be displayed, as this operation may take
       
   117      * a long time to complete
       
   118      * Null implementation
       
   119      * see @ref MGlxCommandHandler::PreDynInitMenuPaneL 
       
   120      */
       
   121     void PreDynInitMenuPaneL( TInt /*aResourceId*/ ) {};
       
   122   
       
   123     /**
       
   124      * See @ref MGlxCommandHandler::GetRequiredAttributesL
       
   125      * No implementation required
       
   126      */
       
   127     void GetRequiredAttributesL(RArray< TMPXAttribute >& /*aAttributes*/,
       
   128                                 TBool /*aFilterUsingSelection*/,
       
   129                                 TBool /*aFilterUsingCommandId*/, 
       
   130                                 TInt /*aCommandId*/) const {}
       
   131     
       
   132 private: // data
       
   133 
       
   134     // Not owned 
       
   135     };
       
   136 
       
   137 #endif //__GLXCOMMANDHANDLERDOWNLOAD_H__