1 /*

     2 * Copyright (c) 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:   Display sub session.

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef C_ALFSRVDISPLAYSUBSESSION_H

    21 #define C_ALFSRVDISPLAYSUBSESSION_H

    22 

    23 #include "alfsrvsubsessionbase.h"

    24 #include <uiacceltk/huidisplaybackgrounditem.h>

    25 

    26 class CAlfAppSrvSessionBase;

    27 class CHuiDisplay;

    28 class CHuiDisplayCoeControl;

    29 

    30 /**

    31  *  Display sub session.

    32  *

    33  *  @lib alfappservercore.lib

    34  *  @since S60 v3.2

    35  */

    36 NONSHARABLE_CLASS(CAlfSrvDisplaySubSession): public CAlfSrvSubSessionBase

    37     {

    38 

    39 public:

    40 

    41     /**

    42      * Two-phased constructor

    43      *

    44      * @param aSession Session in which this sub session belongs into.

    45      * @param aRect Display size.

    46      * @param aWindowGroupId Client window group ID.

    47      * @return New object. Ownership transferred.

    48      */

    49     static CAlfSrvDisplaySubSession* NewL( CAlfAppSrvSessionBase& aSession, 

    50                                            const TRect& aRect,

    51                                            TInt aWindowGroupId,

    52                                            TInt aDisplayType,

    53                                            const TUid& aBufferUid );

    54 

    55     /**

    56      * Two-phased constructor. Leaves the objenct onto the cleanup stack.

    57      *

    58      * @param aSession Session in which this sub session belongs into.

    59      * @param aRect Display size.

    60      * @param aWindowGroupId Client window group ID.

    61      * @return New object on stack. Ownership transferred.

    62      */

    63     static CAlfSrvDisplaySubSession* NewLC( CAlfAppSrvSessionBase& aSession,

    64                                             const TRect& aRect,

    65                                            TInt aWindowGroupId,

    66                                            TInt aDisplayType,

    67                                            const TUid& aBufferUid );

    68 

    69     /**

    70      * Destructor.

    71      */

    72     virtual ~CAlfSrvDisplaySubSession();

    73 

    74     /**

    75      * Returns the used display.

    76      *

    77      * @return Used display.

    78      */

    79     CHuiDisplay& Display();

    80     

    81     /**

    82      * Called when session is about to get focus.

    83      */

    84     void SetSessionFocused(TBool aFocused=ETrue);

    85 

    86 // From CAlfSrvSubSessionBase

    87 

    88     /**

    89      * From CAlfSrvSubSessionBase

    90      * Can process the given message?

    91      *

    92      * @param aMessage The message.

    93      * @return ETrue if can process the message.

    94      */

    95     TBool CanProcessMessage(const RMessage2& aMessage) const;

    96     

    97     /**

    98      * From CAlfSrvSubSessionBase

    99      * Processes the message.

   100      *

   101      * @param aMessage The message.

   102      */

   103     void DoProcessMessageL(const RMessage2& aMessage);

   104 

   105     TBool IsTvOut() const;

   106 

   107     TInt DisplayType() const;

   108 

   109 private:

   110 

   111     CAlfSrvDisplaySubSession( CAlfAppSrvSessionBase& aSession,

   112                               const TRect& aRect,

   113                               TInt aWindowGroupId,

   114                               TInt aDisplayType,

   115                               const TUid& aBufferUid );

   116 

   117     void ConstructL();

   118 

   119     void SetClearBackgroundL( const RMessage2& aMessage );

   120     void SetVisibleAreaL( const RMessage2& aMessage, TBool aForce = EFalse );

   121     void VisibleAreaL( const RMessage2& aMessage );

   122     void SetDirtyL( const RMessage2& aMessage );

   123     void SetQualityL( const RMessage2& aMessage );

   124     void QualityL( const RMessage2& aMessage );

   125     void SetUseDepthL( const RMessage2& aMessage );        

   126     void SetUsageL( const RMessage2& aMessage );

   127     void SetBackgroundItemsL( const RMessage2& aMessage );

   128     void HandlePointerEventL( const RMessage2& aMessage );

   129     void SuppressAutomaticFadingL( const RMessage2& aMessage );

   130 	void SetClientWindowForDrawingL( const RMessage2& aMessage );

   131 

   132     /**

   133      * Updates non fading to container.

   134      */

   135     void UpdateAutomaticFading();

   136 

   137     // from subsessionbase

   138     CHuiDisplay* AsHuiDisplay();

   139     

   140     TBool UseVisualAreaClipping();

   141 

   142 private: // data

   143     

   144     CHuiDisplay* iDisplay;

   145     

   146     TInt iDisplayType;

   147     TUid iScreenBufferUid;

   148     TRect iRect;

   149     TInt iDisplayClearBackground;

   150     TInt iDisplayRenderingQuality;

   151     TBool iDisplayUseDepthTest;

   152     TUint iDisplayUsage;

   153     RArray<THuiDisplayBackgroundItem> iBackgroundItems;

   154     TBool iAutomaticFadingSuppressed;

   155     };

   156 

   157 #endif // C_ALFSRVDISPLAYSUBSESSION_H