idlehomescreen/inc/xnnewsticker.h
changeset 0 f72a12da539e
child 2 08c6ee43b396
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     1 /*
       
     2 * Copyright (c) 2002-2006 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:  Interface class for CXnNewsticker.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef _XNNEWSTICKER_H
       
    20 #define _XNNEWSTICKER_H
       
    21 
       
    22 //  INCLUDES
       
    23 #include "xncomponent.h"
       
    24 #include "mxncomponentinterface.h"
       
    25 
       
    26 class CGulIcon;
       
    27 
       
    28 // CLASS DECLARATION
       
    29 /**
       
    30 *  Component UI factory interface for creating newsticker text element.
       
    31 *
       
    32 *  @lib xnnewstickerfactory.dll
       
    33 *  @since Series 60 3.2
       
    34 */
       
    35 namespace XnNewstickerInterface
       
    36 {
       
    37 _LIT8(KType, "newsticker");
       
    38 
       
    39 class MXnNewstickerCallbackInterface
       
    40     {
       
    41     public: // New functions
       
    42 
       
    43         /**
       
    44          * Called when the title has been shown and is now offscreen.
       
    45          * @param aTitleIndex The title that has been completely shown.
       
    46          */
       
    47         virtual void TitleScrolled(TInt aTitleIndex) = 0;
       
    48         
       
    49     };
       
    50 
       
    51 class MXnNewstickerInterface : public XnComponentInterface::MXnComponentInterface
       
    52     {
       
    53     public: // New functions
       
    54 
       
    55         static inline const TDesC8& Type()
       
    56             {
       
    57             return KType;
       
    58             }
       
    59 
       
    60         /**
       
    61          * Append new title to the end of the title list.
       
    62          * @param aTitle The new title to add.
       
    63          */
       
    64         virtual void AppendTitleL(const TDesC& aTitle) = 0;
       
    65 
       
    66         /**
       
    67          * Insert new title to the end of the title list.
       
    68          * @param aTitle The new title to add.
       
    69          * @param aIndex The place to add the title.
       
    70          */
       
    71         virtual void InsertTitleL(const TDesC& aTitle, TInt aIndex) = 0;
       
    72 
       
    73         /**
       
    74          * Update title text.
       
    75          * @param aTitle The new title to add.
       
    76          * @param aIndex The place to update the title.
       
    77          */
       
    78         virtual void UpdateTitleL(const TDesC& aTitle, TInt aIndex) = 0;
       
    79 
       
    80         /**
       
    81          * Delete the title.
       
    82          * @param aIndex The title index to delete.
       
    83          */
       
    84         virtual void DeleteTitle(TInt aIndex) = 0;
       
    85 
       
    86     	/**
       
    87     	 * Returns index of the currently selected title.
       
    88     	 * @return The index of the current title.
       
    89     	 */
       
    90         virtual TInt CurrentTitleIndex() = 0;
       
    91 
       
    92     	/**
       
    93     	 * Return the title of the given index.
       
    94     	 * @param aIndex The index to return the title.
       
    95     	 * @return The title of the given index.
       
    96     	 */
       
    97         virtual const TDesC& Title(TInt aIndex) = 0;
       
    98 
       
    99     	/**
       
   100     	 * Set the separator image for all titles.
       
   101     	 * @param aIcon The separator image. This must be mif icon.
       
   102     	 * @return KErrNone if successful, KErrArgument if the icon is not mif.
       
   103     	 */
       
   104         virtual TInt SetSeparatorImageL(CGulIcon* aIcon) = 0;
       
   105 
       
   106         /**
       
   107          * Delete all titles.
       
   108          */
       
   109         virtual void ClearTitles() = 0;
       
   110 
       
   111         /**
       
   112          * Append the SVG title to be shown.
       
   113          * @param aByteData The SVG data.
       
   114          */
       
   115         virtual void AppendSvgTitleL(const TDesC8& aByteData) = 0;
       
   116 
       
   117         /**
       
   118          * Insert the SVG title to be shown.
       
   119          * @param aByteData The SVG data.
       
   120          */
       
   121         virtual void InsertSvgTitleL(const TDesC8& aByteData, TInt aIndex) = 0;
       
   122 
       
   123         /**
       
   124          * Set callback interface.
       
   125          * @param aCallback The callback interface pointer.
       
   126          */
       
   127         virtual void SetCallbackInterfaceL(MXnNewstickerCallbackInterface* aCallback) = 0;
       
   128     };
       
   129 }
       
   130 
       
   131 /**
       
   132 * @ingroup group_xnnewstickerfactory
       
   133 * 
       
   134 *  Newsticker class implementation.
       
   135 *
       
   136 *  @lib xnnewstickerfactory.dll
       
   137 *  @since Series 60 3.2
       
   138 */
       
   139 class CXnNewsticker : public CXnComponent, public XnNewstickerInterface::MXnNewstickerInterface
       
   140     {
       
   141     public:
       
   142     	/**
       
   143     	 * 2 phase construction.
       
   144     	 */
       
   145     	static CXnNewsticker* NewL();
       
   146 
       
   147     	/**
       
   148     	 * Destructor.
       
   149     	 */
       
   150     	virtual ~CXnNewsticker();
       
   151 
       
   152     public:
       
   153          // Routed from MXnNewstickerInterface.
       
   154 
       
   155         /**
       
   156          * Append new title to the end of the title list.
       
   157          * @param aTitle The new title to add.
       
   158          */
       
   159         void AppendTitleL(const TDesC& aTitle);
       
   160 
       
   161         /**
       
   162          * Insert new title to the end of the title list.
       
   163          * @param aTitle The new title to add.
       
   164          * @param aIndex The place to add the title.
       
   165          */
       
   166         void InsertTitleL(const TDesC& aTitle, TInt aIndex);
       
   167 
       
   168         /**
       
   169          * Update title text.
       
   170          * @param aTitle The new title to add.
       
   171          * @param aIndex The place to update the title.
       
   172          */
       
   173         void UpdateTitleL(const TDesC& aTitle, TInt aIndex);
       
   174         
       
   175         /**
       
   176          * Delete the title.
       
   177          * @param aIndex The title index to delete.
       
   178          */
       
   179         void DeleteTitle(TInt aIndex);
       
   180 
       
   181     	/**
       
   182     	 * Returns index of the currently selected title.
       
   183     	 * @return The index of the current title.
       
   184     	 */
       
   185         TInt CurrentTitleIndex();
       
   186 
       
   187     	/**
       
   188     	 * Return the title of the given index.
       
   189     	 * @param aIndex The index to return the title.
       
   190     	 * @return The title of the given index.
       
   191     	 */
       
   192         const TDesC& Title(TInt aIndex);
       
   193 
       
   194     	/**
       
   195     	 * Set the separator image for all titles.
       
   196     	 * @param aIcon The separator image. This must be mif icon.
       
   197     	 * @return KErrNone if successful, KErrArgument if the icon is not mif.
       
   198     	 */
       
   199         TInt SetSeparatorImageL(CGulIcon* aIcon);
       
   200 
       
   201         /**
       
   202          * Delete all titles.
       
   203          */
       
   204         void ClearTitles();
       
   205 
       
   206         /**
       
   207          * Append the SVG title to be shown.
       
   208          * @param aByteData The SVG data.
       
   209          */
       
   210         void AppendSvgTitleL(const TDesC8& aByteData);
       
   211 
       
   212         /**
       
   213          * Insert the SVG title to be shown.
       
   214          * @param aByteData The SVG data.
       
   215          */
       
   216         void InsertSvgTitleL(const TDesC8& aByteData, TInt aIndex);
       
   217 
       
   218         /**
       
   219          * Set callback interface.
       
   220          * @param aCallback The callback interface pointer.
       
   221          */
       
   222         void SetCallbackInterfaceL(
       
   223             XnNewstickerInterface::MXnNewstickerCallbackInterface* aCallback);
       
   224 
       
   225 	   	/**
       
   226         * Create a component interface according to the given type.
       
   227         * @param aType Type of the interface to create
       
   228         * @return Created interface or NULL if the provided type is not supported.
       
   229         */ 
       
   230         virtual XnComponentInterface::MXnComponentInterface* MakeInterfaceL(
       
   231             const TDesC8& aType);        
       
   232     	      
       
   233     private:
       
   234 
       
   235     	CXnNewsticker();
       
   236 
       
   237     	void ConstructL();
       
   238     };
       
   239 
       
   240 
       
   241 #endif      // _XNNEWSTICKER_H
       
   242             
       
   243 // End of File