uiacceltk/hitchcock/ServerCore/Src/alfsrvcontrolgroupsubsession.cpp
changeset 0 15bf7259bb7c
child 12 f93c875b566e
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-1:000000000000 0:15bf7259bb7c
       
     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:   Control group sub session
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #include "alfsrvcontrolgroupsubsession.h"
       
    21 #include "alf/alfconstants.h"
       
    22 #include "alf/alfappsrvsessionbase.h"
       
    23 #include "alfappsrvsession.h"
       
    24 #include "alfscreen.h" // EAlfSessionContainer
       
    25 #include "alfsrvtransformationsubsession.h"
       
    26 #include <uiacceltk/HuiEnv.h>
       
    27 #include <uiacceltk/HuiControl.h>
       
    28 #include <uiacceltk/HuiControlGroup.h>
       
    29 #include <uiacceltk/HuiDisplay.h>
       
    30 #include <uiacceltk/HuiDeckLayout.h>
       
    31 
       
    32 // host control
       
    33 
       
    34 NONSHARABLE_CLASS( CAlfSrvHostControl ) : public CHuiControl
       
    35     {
       
    36 public:
       
    37     CAlfSrvHostControl(CHuiEnv& aEnv) : CHuiControl(aEnv) {}
       
    38     CHuiLayout* ContainerLayout(const CHuiControl* aConnected) const;
       
    39     };
       
    40     
       
    41    
       
    42 CHuiLayout* CAlfSrvHostControl::ContainerLayout(const CHuiControl* /*aConnected*/) const
       
    43     {
       
    44     if ( VisualCount() )
       
    45         {
       
    46         return static_cast<CHuiLayout*>(&Visual(0)); 
       
    47         }
       
    48     return NULL;
       
    49     }
       
    50     
       
    51 
       
    52 // ======== MEMBER FUNCTIONS ========
       
    53 
       
    54 // ---------------------------------------------------------------------------
       
    55 // Constructor
       
    56 // ---------------------------------------------------------------------------
       
    57 //
       
    58 CAlfSrvControlGroupSubSession::CAlfSrvControlGroupSubSession( 
       
    59     CAlfAppSrvSessionBase& aSession,
       
    60     TInt aId )
       
    61     : CAlfSrvSubSessionBase( aSession ), iId( aId ) 
       
    62     {
       
    63     }
       
    64 
       
    65 
       
    66 // ---------------------------------------------------------------------------
       
    67 // 2nd phasse constructor
       
    68 // ---------------------------------------------------------------------------
       
    69 //
       
    70 void CAlfSrvControlGroupSubSession::ConstructL()
       
    71     {
       
    72     CAlfSrvSubSessionBase::ConstructL();
       
    73     
       
    74     iControlGroup = &Session().SharedHuiEnv()->NewControlGroupL( 
       
    75         reinterpret_cast<TInt>(this) );
       
    76         
       
    77     iHostControl = new (ELeave) CAlfSrvHostControl( *Session().SharedHuiEnv() );
       
    78     iHostControl->ConstructL();
       
    79     iHostControl->SetRole(EAlfSessionContainer);
       
    80         
       
    81     CHuiLayout* sessionContainer = CHuiDeckLayout::AddNewL( *iHostControl, NULL );
       
    82     sessionContainer->SetFlags( EHuiVisualFlagManualLayout );
       
    83     sessionContainer->SetTagL( _L8("Session container") );
       
    84     sessionContainer->SetSize( Session().ClientDrawingArea().Size() );
       
    85     sessionContainer->SetPos( Session().ClientDrawingArea().iTl );
       
    86         
       
    87     iControlGroup->AppendL( iHostControl );
       
    88     }
       
    89 
       
    90 
       
    91 // ---------------------------------------------------------------------------
       
    92 // NewL
       
    93 // ---------------------------------------------------------------------------
       
    94 //
       
    95 CAlfSrvControlGroupSubSession* CAlfSrvControlGroupSubSession::NewL( 
       
    96     CAlfAppSrvSessionBase& aSession,
       
    97     TInt aId )
       
    98     {
       
    99     CAlfSrvControlGroupSubSession* self = 
       
   100         CAlfSrvControlGroupSubSession::NewLC( aSession, aId );
       
   101     CleanupStack::Pop( self );
       
   102     return self;
       
   103     }
       
   104 
       
   105 
       
   106 // ---------------------------------------------------------------------------
       
   107 // NewLC
       
   108 // ---------------------------------------------------------------------------
       
   109 //
       
   110 CAlfSrvControlGroupSubSession* CAlfSrvControlGroupSubSession::NewLC( 
       
   111     CAlfAppSrvSessionBase& aSession,
       
   112     TInt aId )
       
   113     {
       
   114     CAlfSrvControlGroupSubSession* self = 
       
   115         new( ELeave ) CAlfSrvControlGroupSubSession( aSession, aId );
       
   116     CleanupClosePushL( *self );
       
   117     self->ConstructL();
       
   118     return self;
       
   119     }
       
   120 
       
   121 
       
   122 // ---------------------------------------------------------------------------
       
   123 // Destructor
       
   124 // ---------------------------------------------------------------------------
       
   125 //
       
   126 CAlfSrvControlGroupSubSession::~CAlfSrvControlGroupSubSession()
       
   127     {
       
   128     // Hide the control group from the display
       
   129     CHuiDisplay* display = Session().SharedHuiEnv()->DisplayCount() ? 
       
   130                                 &Session().SharedHuiEnv()->PrimaryDisplay() : 
       
   131                                 NULL ;
       
   132     if ( display )
       
   133         {
       
   134         display->Roster().Hide( ControlGroup() );
       
   135         }
       
   136 
       
   137     Session().SharedHuiEnv()->DeleteControlGroup( reinterpret_cast<TInt>(this) );
       
   138     
       
   139     iControlGroup = NULL;
       
   140     iHostControl = NULL;
       
   141     }
       
   142 
       
   143 // ---------------------------------------------------------------------------
       
   144 // Gets control group
       
   145 // ---------------------------------------------------------------------------
       
   146 //
       
   147 CHuiControlGroup& CAlfSrvControlGroupSubSession::ControlGroup()
       
   148     {
       
   149     return *iControlGroup;
       
   150     }
       
   151 
       
   152 // ---------------------------------------------------------------------------
       
   153 // Is control group shown
       
   154 // ---------------------------------------------------------------------------
       
   155 //
       
   156 TBool CAlfSrvControlGroupSubSession::IsShown() const
       
   157     {
       
   158     return iIsShown;
       
   159     }
       
   160 
       
   161 // ---------------------------------------------------------------------------
       
   162 // Set if the control group is shown
       
   163 // ---------------------------------------------------------------------------
       
   164 //    
       
   165 void CAlfSrvControlGroupSubSession::SetIsShown( TBool aShown )
       
   166     {
       
   167     iIsShown = aShown;
       
   168     }
       
   169     
       
   170 // ---------------------------------------------------------------------------
       
   171 // Append control
       
   172 // ---------------------------------------------------------------------------
       
   173 //
       
   174 void CAlfSrvControlGroupSubSession::AppendL( 
       
   175     const RMessage2& aMessage )
       
   176     {    
       
   177     // Parse parameters
       
   178 
       
   179     CHuiControl* control = static_cast<CHuiControl*>
       
   180         ( Session().GetInterfaceL(EHuiObjectTypeControl, aMessage.Int1()) );
       
   181     
       
   182     // Set host        
       
   183     control->SetHostId( iHostControl->Id() );
       
   184         
       
   185     // Append control
       
   186     ControlGroup().AppendL(control);
       
   187 
       
   188     // Complete
       
   189     aMessage.Complete( KErrNone );
       
   190     }
       
   191  
       
   192  // ---------------------------------------------------------------------------
       
   193 // Remove control
       
   194 // ---------------------------------------------------------------------------
       
   195 //
       
   196 void CAlfSrvControlGroupSubSession::RemoveL( 
       
   197     const RMessage2& aMessage )
       
   198     {    
       
   199     // Parse parameters
       
   200 
       
   201     CHuiControl* control = static_cast<CHuiControl*>
       
   202         ( Session().GetInterfaceL(EHuiObjectTypeControl, aMessage.Int1()));
       
   203             
       
   204     // Append control
       
   205     TInt err = ControlGroup().Remove(control);
       
   206 
       
   207     // Complete
       
   208     aMessage.Complete( err );
       
   209     }
       
   210  
       
   211 // ---------------------------------------------------------------------------
       
   212 // Enables transformation
       
   213 // ---------------------------------------------------------------------------
       
   214 //
       
   215 void CAlfSrvControlGroupSubSession::EnableTransformationL( 
       
   216     const RMessage2& aMessage )
       
   217     {
       
   218     // Parser parameters
       
   219     
       
   220     // 1: is transformed (in)
       
   221     const TBool isTransformed = aMessage.Int1();
       
   222     
       
   223     // 2: transformation handle (in)
       
   224     const TInt transHandle = aMessage.Int2();
       
   225     CAlfSrvSubSessionBase& subSession = Session().SubSession( transHandle );
       
   226     CAlfSrvTransformationSubSession& transformationSubSession = 
       
   227         static_cast<CAlfSrvTransformationSubSession&>(subSession);
       
   228     
       
   229     // Enable transformation
       
   230     ControlGroup().EnableTransformationL( isTransformed );
       
   231     CHuiTransformation* transformation = NULL;
       
   232     if ( isTransformed )
       
   233         {
       
   234         transformation = &ControlGroup().Transformation();
       
   235         }
       
   236     transformationSubSession.SetTransformation( transformation );
       
   237     
       
   238     // Complete
       
   239     aMessage.Complete( KErrNone );
       
   240     }
       
   241    
       
   242 // ---------------------------------------------------------------------------
       
   243 // From CAlfSrvSubSessionBase
       
   244 // Process the message.
       
   245 // ---------------------------------------------------------------------------
       
   246 // 
       
   247 void CAlfSrvControlGroupSubSession::DoProcessMessageL(const RMessage2& aMessage)
       
   248     {
       
   249     switch( aMessage.Int0() )
       
   250         {
       
   251         case EAlfControlGroupAppend:
       
   252             {
       
   253             AppendL( aMessage );
       
   254             break;
       
   255             }
       
   256         
       
   257         case EAlfControlGroupRemove:
       
   258             {
       
   259             RemoveL( aMessage );
       
   260             break;
       
   261             }
       
   262             
       
   263         case EAlfControlGroupEnableTransformation:
       
   264             {
       
   265             EnableTransformationL( aMessage );
       
   266             break;
       
   267             }
       
   268         case EAlfControlGroupSubSessionClose: // obsolete
       
   269             {
       
   270             Session().CloseSubSession( aMessage );
       
   271             break;
       
   272             }
       
   273         default:
       
   274             CAlfSrvSubSessionBase::DoProcessMessageL( aMessage );
       
   275             break;
       
   276         }
       
   277     }
       
   278 
       
   279 
       
   280 CHuiControlGroup* CAlfSrvControlGroupSubSession::AsHuiControlCroup()
       
   281     {
       
   282     return iControlGroup;
       
   283     }
       
   284 
       
   285 TInt& CAlfSrvControlGroupSubSession::PreferredPos()
       
   286     {
       
   287     return iPrefrerredPos;
       
   288     }
       
   289     
       
   290  
       
   291