1 /*

     2 * Copyright (c) 2003 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:   Definitions screensaver moving text display class.

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef C_SCREENSAVERCTRLMOVINGTEXT_H

    21 #define C_SCREENSAVERCTRLMOVINGTEXT_H

    22 

    23 #include <AknPictographInterface.h>

    24 

    25 #include "screensaverbase.h"

    26 

    27 const TInt KScreensaverDataReconnectingDelay = 50000;

    28 const TInt KScreensaverBarHeight = 24;

    29 

    30 //

    31 // class CScreensaverCtrlMovingText

    32 //

    33 class CScreensaverCtrlMovingText : public CScreensaverBase

    34     {

    35 public:

    36     /**

    37     * Two-phased constructor

    38     * 

    39     * @param aType the type of display object  

    40     * @return CScreensaverCtrlMovingText the pointer of CScreensaverCtrlMovingText 

    41     * object

    42     */

    43     static CScreensaverCtrlMovingText* NewL( TDisplayObjectType aType );

    44 

    45      /**

    46      * Destructor.

    47      */

    48     ~CScreensaverCtrlMovingText();

    49 

    50 public:

    51     // From CCoeControl

    52     

    53     /** 

    54     * Resource change handling  

    55     */

    56     virtual void HandleResourceChange( TInt aType );

    57     

    58     

    59     /**

    60     * Responds to changes to the size and position of the contents 

    61     * of this control.  

    62     */

    63     virtual void SizeChanged();

    64 

    65     /**

    66     * Drawing (override this to draw)

    67     */

    68     virtual void Draw( const TRect& aRect ) const;

    69 

    70 public:

    71     // Implemented here instead of shareddatainterface

    72 

    73     /**

    74     * Set moving bar on / off

    75     * 

    76     * @param aMove a bool type to decide if it can move or not

    77     */

    78     void SetMoving( TBool aMove = ETrue );

    79 

    80     /**

    81     * Start the control needed timer

    82     */

    83     void StartTimer();

    84     

    85     /**

    86     * Cancels the timer

    87     */

    88     void CancelTimer();

    89     

    90     /**

    91     * Clear the screen

    92     */

    93     void ClearScreen();

    94     

    95     /*

    96     * Refresh the display 

    97     */

    98     void Refresh();

    99     

   100 protected:

   101         

   102     /**

   103     * Constructor

   104     * 

   105     * @param aType the type of the display object.  

   106     */

   107     CScreensaverCtrlMovingText( TDisplayObjectType aType );

   108     

   109     /**

   110     * Two-phased constructor  

   111     */

   112     void ConstructL();

   113     

   114     /**

   115     * Draw the object on the screen of this type  

   116     * 

   117     * @param aGc the CWindowGc object 

   118     * @param aRect

   119     */

   120     virtual void DrawNew( CWindowGc& aGc, const TRect& aRect ) const;

   121     

   122     /**

   123     * Draw the date on the bar

   124     */

   125     virtual void DrawText( CWindowGc& aGc ) const;

   126 

   127     /**

   128     * Draws text with pictographs  

   129     */

   130     void DrawPictoText( CWindowGc &aGc ) const;

   131 

   132     /**

   133     * Get the current time  

   134     */

   135     void UpdateCurrentTimeL();

   136     

   137     /**

   138     * Generate the screensaver bar

   139     */

   140     void GenerateDisplayAttributesForScreensaverBar();

   141 

   142 private:

   143     /**

   144     * Get the random top value  

   145     * 

   146     * @return TInt the random value

   147     */

   148     void GetRandomTopValue( TInt aBarHight );

   149     

   150     /**

   151     * Get the random seed

   152     */

   153     TInt RandomSeed();

   154     

   155     /**

   156     * Get the text and background color

   157     */

   158     void GetTextAndBgColor();

   159     

   160     /**

   161     * Format the display text

   162     */

   163     void FormatTextL( TDes& aText, const TDesC& aFormat );

   164 

   165     /**

   166     * Set AmPm text payload to indicator

   167     */

   168     void SetAmPmIndicatorPayloadL();

   169     

   170     /**

   171     * Format the data and time text

   172     */

   173     void FormatTextFromResourceL( TDes &aDes, TInt aResourceId );

   174     

   175     /**

   176     * Get the clock area and text layout

   177     */

   178     void GetClockLayout( const TRect& aRect );

   179     

   180     /**

   181     * Get the date area and text layout

   182     */

   183     void GetDateLayout( const TRect& aRect );

   184     

   185     /**

   186     * Get the indicator area and text layout

   187     */

   188     void GetIndicatorAreaLayout( const TRect& aRect );

   189     

   190     /**

   191     * Start the indicator bar refresh timer

   192     */

   193     void StartBarRefreshTimer();

   194 

   195     

   196 protected://data

   197     

   198     /**

   199     * The layout date and text  

   200     */

   201     TAknLayoutText iLayoutDateText;

   202 private://data

   203     /**

   204     * The top position of the bar 

   205     */

   206     TInt iTop;

   207     

   208     /**

   209     * The random seed to get the random value   

   210     */

   211     TInt64 iRandSeed;

   212 

   213     // For new layout    

   214     /**

   215     * The time string that will be displayed on the bar  

   216     */

   217     TBuf<15> iTextTime;    

   218     

   219     /**

   220     * The date string that will be displayed on the bar  

   221     * or he text will be display the on the bar

   222     */

   223     TBuf<25> iText;

   224     

   225     /**

   226     * The type of the display text  

   227     */

   228     TDisplayObjectType iType;

   229 

   230     //Lay out

   231     TAknLayoutRect iLayoutBar;

   232     TAknLayoutRect iLayoutClock;

   233     TAknLayoutRect iLayoutDate; // missing

   234     TAknLayoutText iLayoutClockText;

   235     TAknLayoutText iLayoutAmPmText;

   236     

   237     // Moving bar on / off

   238     TBool iMoveBar;

   239     

   240     /**

   241     * The color for background and text

   242     */

   243     TInt iBgColor;

   244     TInt iTextColor;

   245     TInt iTextBgColor;

   246     

   247     /**

   248     * The indicator bar refresh timer

   249     */

   250     CPeriodic* iBarRefreshTimer;

   251 

   252     /**

   253     * Pictograph drawing interface 

   254     */

   255     CAknPictographInterface* iPictoI;

   256     };

   257 

   258 #endif // C_SCREENSAVERCTRLMOVINGTEXT_H

   259 

   260 // End of file.