vtuis/videotelui/src/commands/cvtuicmdcontext.cpp
branchRCL_3
changeset 24 f15ac8e65a02
parent 23 890b5dd735f8
child 25 779871d1e4f4
equal deleted inserted replaced
23:890b5dd735f8 24:f15ac8e65a02
     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:  Command context base class.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include <cvtlogger.h>
       
    20 
       
    21 #include "cvtuicmdcontext.h"
       
    22 #include "cvtuicmdvalidatorbase.h"
       
    23 #include "cvtuicmdvalidationactionbase.h"
       
    24 #include "mvtuicommandmanager.h"
       
    25 
       
    26 // ======== LOCAL FUNCTIONS ========
       
    27 
       
    28 // ---------------------------------------------------------------------------
       
    29 // Compare routine used by InsertInOrder() and FindInOrder() to sort validator
       
    30 // instances by priority.
       
    31 // ---------------------------------------------------------------------------
       
    32 //
       
    33 TInt ValidatorPriCmpFunc( const CVtUiCmdValidatorBase& aV1,
       
    34     const CVtUiCmdValidatorBase& aV2 )
       
    35     {
       
    36     return aV1.Priority() - aV2.Priority();
       
    37     }
       
    38 
       
    39 // ======== MEMBER FUNCTIONS ========
       
    40 
       
    41 // ---------------------------------------------------------------------------
       
    42 // CVtUiCmdContext::~CVtUiCmdContext
       
    43 // ---------------------------------------------------------------------------
       
    44 //
       
    45 CVtUiCmdContext::~CVtUiCmdContext()
       
    46     {
       
    47     __VTPRINTENTER( "CmdCtx.~" )
       
    48     iValidators.Reset();
       
    49     __VTPRINTEXIT( "CmdCtx.~" )
       
    50     }
       
    51 
       
    52 // ---------------------------------------------------------------------------
       
    53 // CVtUiCmdContext::ReferencePriority
       
    54 // ---------------------------------------------------------------------------
       
    55 //
       
    56 TInt CVtUiCmdContext::ReferencePriority() const
       
    57     {
       
    58     __VTPRINTENTER( "CmdCtx.ReferencePriority" )
       
    59     __VTPRINTEXITR( "CmdCtx.ReferencePriority %d", iReferencePriority )
       
    60     return iReferencePriority;
       
    61     }
       
    62 
       
    63 // ---------------------------------------------------------------------------
       
    64 // CVtUiCmdContext::ContextType
       
    65 // ---------------------------------------------------------------------------
       
    66 //
       
    67 TVtUiCmdContextType CVtUiCmdContext::ContextType() const
       
    68     {
       
    69     __VTPRINTENTER( "CmdCtx.ContextType" )
       
    70     __VTPRINTEXITR( "CmdCtx.ContextType %d", iContextType )
       
    71     return iContextType;
       
    72     }
       
    73 
       
    74 // ---------------------------------------------------------------------------
       
    75 // CVtUiCmdContext::AddValidator
       
    76 // ---------------------------------------------------------------------------
       
    77 //
       
    78 TInt CVtUiCmdContext::AddValidator( CVtUiCmdValidatorBase& aValidator )
       
    79     {
       
    80     __VTPRINTENTER( "CmdCtx.AddValidator" )
       
    81     TInt result( KErrNone );
       
    82     if ( !aValidator.ValidatesContext( iContextType ) )
       
    83         {
       
    84         result = KErrNotSupported;
       
    85         }
       
    86     else
       
    87         {
       
    88         result = iValidators.InsertInOrderAllowRepeats( &aValidator,
       
    89             TLinearOrder< CVtUiCmdValidatorBase >( ::ValidatorPriCmpFunc ) );
       
    90         }
       
    91     __VTPRINTEXITR( "CmdCtx.AddValidator %d", result )
       
    92     return result;
       
    93     }
       
    94 
       
    95 // ---------------------------------------------------------------------------
       
    96 // CVtUiCmdContext::RemoveValidator
       
    97 // ---------------------------------------------------------------------------
       
    98 //
       
    99 void CVtUiCmdContext::RemoveValidator( const CVtUiCmdValidatorBase& aValidator )
       
   100     {
       
   101     __VTPRINTENTER( "CmdCtx.RemoveValidator" )
       
   102     TInt idx( iValidators.FindInOrder( &aValidator,
       
   103         TLinearOrder< CVtUiCmdValidatorBase >( ::ValidatorPriCmpFunc ) ) );
       
   104 
       
   105     if ( idx != KErrNotFound )
       
   106         {
       
   107         iValidators.Remove( idx );
       
   108         }
       
   109     __VTPRINTEXIT( "CmdCtx.RemoveValidator" )
       
   110     }
       
   111 
       
   112 // ---------------------------------------------------------------------------
       
   113 // CVtUiCmdContext::CVtUiCmdContext
       
   114 // ---------------------------------------------------------------------------
       
   115 //
       
   116 CVtUiCmdContext::CVtUiCmdContext( MVtUiCommandManager& aCommandManager,
       
   117     TVtUiCmdContextType aCtxType, TInt aReferencePriority )
       
   118     : iCommandManager( aCommandManager ),
       
   119       iReferencePriority( aReferencePriority ), iContextType( aCtxType )
       
   120     {
       
   121     __VTPRINTENTER( "CmdCtx.ctor" )
       
   122     __VTPRINTEXIT( "CmdCtx.ctor" )
       
   123     }
       
   124 
       
   125 // ---------------------------------------------------------------------------
       
   126 // CVtUiCmdContext::ValidateMenuItemsL
       
   127 // ---------------------------------------------------------------------------
       
   128 //
       
   129 void CVtUiCmdContext::ValidateMenuItemsL(
       
   130     CVtUiCmdValidationActionBase& aAction )
       
   131     {
       
   132     __VTPRINTENTER( "CmdCtx.ValidateMenuItemsL" )
       
   133     __VTPRINT2( DEBUG_GEN, "    count = %d", iValidators.Count() )
       
   134     for ( TInt i = iValidators.Count() - 1; i >= 0; i-- )
       
   135         {
       
   136         iValidators[ i ]->ValidateMenuItemsL( aAction, iReferencePriority );
       
   137         }
       
   138     __VTPRINTEXIT( "CmdCtx.ValidateMenuItemsL" )
       
   139     }
       
   140 
       
   141 // ---------------------------------------------------------------------------
       
   142 // CVtUiCmdContext::ValidateSoftkeyItemsL
       
   143 // ---------------------------------------------------------------------------
       
   144 //
       
   145 void CVtUiCmdContext::ValidateSoftkeyItemsL(
       
   146     CVtUiCmdValidationActionBase& aAction )
       
   147     {
       
   148     __VTPRINTENTER( "CmdCtx.ValidateSoftkeyItemsL" )
       
   149     __VTPRINT2( DEBUG_GEN, "    count = %d", iValidators.Count() )
       
   150     for ( TInt i = iValidators.Count() - 1; i >= 0; i-- )
       
   151         {
       
   152         iValidators[ i ]->ValidateSoftkeyItemsL( aAction, iReferencePriority );
       
   153         }
       
   154     __VTPRINTEXIT( "CmdCtx.ValidateSoftkeyItemsL" )
       
   155     }
       
   156 
       
   157 // ---------------------------------------------------------------------------
       
   158 // CVtUiCmdContext::ValidateToolbarItemsL
       
   159 // ---------------------------------------------------------------------------
       
   160 //
       
   161 void CVtUiCmdContext::ValidateToolbarItemsL(
       
   162     CVtUiCmdValidationActionBase& aAction )
       
   163     {
       
   164     __VTPRINTENTER( "CmdCtx.ValidateToolbarItemsL" )
       
   165     __VTPRINT2( DEBUG_GEN, "    count = %d", iValidators.Count() )
       
   166     for ( TInt i = iValidators.Count() - 1; i >= 0; i-- )
       
   167         {
       
   168         iValidators[ i ]->ValidateToolbarItemsL( aAction, iReferencePriority );
       
   169         }
       
   170     __VTPRINTEXIT( "CmdCtx.ValidateToolbarItemsL" )
       
   171     }
       
   172 
       
   173 // ---------------------------------------------------------------------------
       
   174 // CVtUiCmdContext::CustomValidationL
       
   175 // ---------------------------------------------------------------------------
       
   176 //
       
   177 void CVtUiCmdContext::CustomValidationL(
       
   178     CVtUiCmdCustomValidationActionBase& aAction )
       
   179     {
       
   180     __VTPRINTENTER( "CmdCtx.CustomValidationL" )
       
   181     __VTPRINT2( DEBUG_GEN, "    count = %d", iValidators.Count() )
       
   182     for ( TInt i = iValidators.Count() - 1; i >= 0; i-- )
       
   183         {
       
   184         iValidators[ i ]->CustomValidationL( aAction, iReferencePriority );
       
   185         }
       
   186     __VTPRINTEXIT( "CmdCtx.CustomValidationL" )
       
   187     }
       
   188 
       
   189 // ---------------------------------------------------------------------------
       
   190 // CVtUiCmdContext::RegisterCommandContextL
       
   191 // ---------------------------------------------------------------------------
       
   192 //
       
   193 void CVtUiCmdContext::RegisterCommandContextL()
       
   194     {
       
   195     __VTPRINTENTER( "CmdCtx.RegisterCommandContextL" )
       
   196     User::LeaveIfError( iCommandManager.RegisterCommandContext( *this ) );
       
   197     __VTPRINTEXIT( "CmdCtx.RegisterCommandContextL" )
       
   198     }
       
   199 
       
   200 // ---------------------------------------------------------------------------
       
   201 // CVtUiCmdContext::UnregisterCommandContext
       
   202 // ---------------------------------------------------------------------------
       
   203 //
       
   204 void CVtUiCmdContext::UnregisterCommandContext()
       
   205     {
       
   206     __VTPRINTENTER( "CmdCtx.UnregisterCommandContext" )
       
   207     iCommandManager.UnregisterCommandContext( *this );
       
   208     __VTPRINTEXIT( "CmdCtx.UnregisterCommandContext" )
       
   209     }