1 /*

     2 * Copyright (c) 2008-2008 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:   window server plugin, used by transition server to control

    15 *                framebuffers.

    16 *

    17 */

    18 

    19 

    20 

    21 #ifndef __ALFSERVERDRAWER_H__

    22 #define __ALFSERVERDRAWER_H__

    23 

    24 #include <e32std.h>

    25 #include <w32std.h>

    26 #include <e32property.h>

    27 

    28 #include "alfdrawerengine.h"

    29 

    30 class CWsServerDrawerController;

    31 class CIdle;

    32 class RWsSession;

    33 class CAlfWindowManager;

    34 class CAlfWindow;

    35 class CPolicyHandler;

    36 class CAlfFinishTimer;

    37 class CPSObserver;

    38 

    39 /**

    40  *  crp used by the server to control framebuffers, and used as proxy for

    41  *  fullscreen messages.

    42  *

    43  *  @since S60 3.2

    44  */

    45  NONSHARABLE_CLASS(CAlfServerDrawer): public CBase, public MAlfDrawerEngine 

    46 	{

    47 public:

    48 

    49 	static CAlfServerDrawer* NewL( CAlfWindowManager* aWindowManager,

    50 	    CPolicyHandler& aPolicyHandler );

    51 

    52     enum TScreenModeChangedStates

    53         {

    54         EScreenModeChangedIdle,

    55         EScreenModeBeginHasBeenCalled,

    56         EScreenModeChangedWaitingForScreenUpdated

    57         };

    58 

    59     ~CAlfServerDrawer();

    60 

    61 	TInt BeginControlTransition( TUint aAction, TUid aControlUid,

    62 	    TInt aWindowGroup, TInt aWindowHandle );

    63 	void EndControlTransition( TInt aHandle );

    64 	void UnredirectEvent( TInt aHandle );

    65 

    66     void PrepareFullscreen();

    67     // parameters are analyzed by CAlfGfxEffects

    68     

    69     void BeginFullscreen( TInt aAction, const TRect& aEffectRect, 

    70 						TInt aType, const TUid aUid1, const TUid aUid2, TInt aData );

    71     void EndFullscreen();

    72     void CancelFullscreen();

    73     void AbortFullscreen();

    74     void RegisterAlfFullScreenEffect( TInt aAction, const TDesC& aResourceDir,

    75             const TDesC& aFileName);

    76     void UnregisterAlfFullScreenEffect( TInt aAction );

    77     void UnregisterAllAlfFullScreenEffect();

    78     void BeginSyncronizedGroup(TInt aGroupId);

    79     void EndSyncronizedGroup(TInt aGroupId, TBool aForced = EFalse);

    80     

    81     /**

    82     * From MAlfDrawerEngine

    83     */

    84 	

    85 	TUid& FromUid();

    86 	TUid& ToUid();

    87 	TUint& Action();

    88 	TInt& Flags();

    89 

    90 	void IncreaseHandle();

    91 	TInt CurrentHandle();

    92 	

    93 	void StartEndChecker();

    94 	void CancelEndChecker();

    95 

    96 	TInt SendBeginFullscreen(TInt aHandle, TUint aAction, const TUid& aUid, 

    97 							 const TUid& aPreviousUid, const TRect& aEffectRect);

    98 	TInt SendEndFullscreen();

    99 	TInt SendAbortFullscreen();

   100 	TInt SendAbortControlTransition();

   101 	void SendBeginFullscreen();

   102     void DoSendBeginFullscreenL();

   103 	TInt SendBeginControlTransition();

   104 	TInt SendFinishControlTransition();

   105 	

   106     TBool EffectFinishedFullScreen() const;

   107     

   108 	static TInt FailedFullscreen(TAny* aArg);

   109 

   110     TBool ScreenModeChanged() const;

   111     

   112     

   113 private:

   114 	CAlfServerDrawer( CAlfWindowManager* aWindowManager, CPolicyHandler& aPolicyHandler );

   115 	void ConstructL();

   116 	static TInt AsyncConstruct(TAny* aThis);

   117 

   118 	TAny* ResolveObjectInterface(TUint aTypeId);

   119 	

   120 private:

   121     static TInt ScreenModeChangedTimeoutL( TAny* aServerDrawer );

   122     void HandleScreenModeChangedTimeoutL();

   123     

   124     static TInt FullScreenTimeout( TAny* aServerDrawer );

   125     void HandleFullScreenTimeout();

   126     

   127     static TInt FinishFullScreenTimeout( TAny* aServerDrawer );

   128     void HandleFinishFullScreenTimeout();

   129 

   130     static TInt ControlTimeout( TAny* aServerDrawer );

   131     void HandleControlTimeout();

   132     

   133     static TInt TransitionFinished( TAny* aServerDrawer );

   134     void HandleTransitionFinished(); 

   135     

   136     TBool FileExistsL( TPtrC& aResourceDir, TPtrC& aFileName );

   137         

   138 private: // data

   139 

   140 public:

   141 	CWsServerDrawerController* iController;

   142 	CAlfWindowManager* iWindowManager;

   143     CPolicyHandler& iPolicyHandler;

   144 	TBool iInScreenModeChange;

   145 

   146     CIdle* iIdle; //CIdle for async function calls.

   147 

   148     TInt iCurrHandle;

   149 

   150     TUint iAction;

   151     TUint iOldAction;

   152     TInt iFlags;

   153     TRect iEffectRect;

   154     TRect iControlRect; // demarcation rectangle for control effects

   155     TUid iFromUid;

   156     TUid iToUid;

   157     

   158     TInt iFromWg;

   159     TInt iToWg;

   160     TBool iWaitingForRootWgId;

   161     TInt iFromScreen;

   162     TInt iToScreen;

   163     

   164     TUid iParentUid;

   165     TInt iFocusWg;

   166     

   167     // Component transition data

   168     TUint iControlAction;

   169     TUid iControlUid;

   170     TInt iControlWindowGroup;

   171     TInt iControlHandle;

   172     

   173     TInt iType; // parameter type for GFX parameters

   174     TScreenModeChangedStates iScrModeChangedState;

   175     CAlfFinishTimer* iFullScreenTimeout;

   176     CAlfFinishTimer* iFinishFullScreen;

   177     

   178     // This variable tells if the full screen transition was finished

   179     // by a signal from Effect Engine (via AlfBridge)

   180     // or if timeout finished the transaction.

   181     TBool iFullScreenFinished;

   182 

   183     // This is an array of reserverd windows

   184     // We do not own these pointers, and must not delete them.

   185     RPointerArray<CAlfWindow> iReservedWindows;

   186     

   187     CPSObserver* iTransitionEndObserver;

   188     RProperty iProperty;

   189     

   190     TBool iDoNotClearEffectRect;

   191     

   192     RFs iFs;

   193     TBool iFullScreenFxSent;

   194     TBool iFullScreenEndSent;

   195     };

   196 

   197 

   198 #endif //__ALFSERVERDRAWER_H__