1 /*

     2 * Copyright (c) 2007 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:  Draws availability indication to screen using direct screen

    15 *                access.

    16 *

    17 */

    18 

    19 

    20 

    21 #ifndef C_MUSINDICATORDSA_H

    22 #define C_MUSINDICATORDSA_H

    23 

    24 

    25 #include "musunittesting.h"

    26 #include <e32base.h>

    27 #include <w32std.h>

    28 #include <coecntrl.h>

    29 

    30 const TInt KMusIndicatorDelay = 400000;

    31 const TInt KMusRedrawDelay = 25000;

    32 

    33 /**

    34  *  CMusIndicatorDsa provides multimedia sharing ready indicator "box" 

    35  *  indcating videosharing availability to user.

    36  *

    37  *  @code

    38  *   // Activates indication

    39  *  CMusIndicatorDsa* dsa = CMusIndicatorDsa::NewL();

    40  *

    41  *  // Deactivates indication

    42  *  delete dsa;

    43  *

    44  *  @endcode

    45  *

    46  *  @lib musindicator.lib

    47  */

    48 class CMusIndicatorDsa : public CCoeControl

    49     {

    50 public:

    51 

    52     MUS_UNITTEST( UT_CMusIndicatorDsa )

    53 

    54     static CMusIndicatorDsa* NewL();

    55 

    56     /**

    57      * Destructor.

    58      */

    59     ~CMusIndicatorDsa();

    60 

    61     

    62 public: //from CCoeControl

    63     

    64     

    65     /**

    66      * Draws video sharing ready box and text

    67      */

    68     void Draw( const TRect& aRect ) const;

    69     

    70     /**

    71      * Hanldes resource change i.e layout change

    72      * 

    73      */

    74     void HandleResourceChange( TInt aType);

    75     

    76 private:

    77 

    78     /**

    79      * Initializes

    80      */

    81      void Initialize();

    82 

    83     /**

    84      * Loads image.

    85      */

    86     void LoadImageL();

    87 

    88     /**

    89      * Loads resource string.

    90      */

    91     void LoadResourceStringL();

    92 

    93 

    94 private:

    95 

    96     CMusIndicatorDsa();

    97 

    98     void ConstructL();

    99 

   100     const CFont& Font() const;

   101 

   102     void TryActivateL();

   103 

   104     

   105     /**

   106     * Callback function to periodic timer.

   107     *

   108     * @param instanse of this.

   109     * @return TInt value indicating if function completed succesfully

   110     */

   111    static TInt TryActivate( TAny* aThis );

   112 

   113     /**

   114      * Callback function to periodic timer.

   115      *

   116      * @param instanse of this.

   117      * @return TInt value indicating if function completed succesfully

   118      */

   119     static TInt DoHandleResourceChange( TAny* aThis );

   120    

   121     void StartPeriodicTimer( const TCallBack& aCallBack) const;

   122     

   123     /**

   124      * Stops peridoic timer.

   125      */

   126     void StopPeriodicTimer();

   127     

   128     

   129 private: // data

   130 

   131 

   132     /**

   133      * Periodic timer.

   134      * Own.

   135      */

   136     CPeriodic* iPeriodic;

   137 

   138     /**

   139      * Used screen rectangle.

   140      */

   141     TRect iScreenRect;

   142 

   143     /**

   144      * Used client area size

   145      */

   146     TSize iScreenSize;

   147     

   148     /**

   149      * Calculated position of left-top point of text.

   150      */

   151     TPoint iTextpos;

   152 

   153     /**

   154      * Color of DSA boxes border.

   155      */

   156     TRgb iBorderColor;

   157 

   158     /**

   159      * DSA boxes background color.

   160      */

   161     TRgb iBorderBgColor;

   162 

   163     /**

   164      * Color of used font.

   165      */

   166     TRgb iFontColor;

   167 

   168     /**

   169      * Displayed text.

   170      * Own.

   171      */

   172     HBufC* iText;

   173     

   174     CFbsBitmap* iIcon;

   175     CFbsBitmap* iIconMask;

   176     

   177     TSize iImageSize;

   178     TPoint iImagepos;

   179     

   180     TCallBack iActivateCallBack;

   181     TCallBack iRedrawCallBack;

   182     

   183     

   184     };

   185 

   186 #endif // C_MUSINDICATORDSA_H