vtuis/lcvtplugin/src/control/tlcvtcamerahandler.cpp
changeset 27 dcbddbbaf8fd
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18:d9b6a8729acd 27:dcbddbbaf8fd
       
     1 /*
       
     2 * Copyright (c) 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:  LiveComm Videotelephony's Camera Handler
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "tlcvtcamerahandler.h"
       
    20 #include "clcvtsession.h"
       
    21 #include "tlcvtstates.h"
       
    22 #include "lcvtplugincommand.h"
       
    23 #include "lcvtutility.h"
       
    24 #include "cvtengmodel.h"
       
    25 
       
    26 
       
    27 TVtCameraHandler::TVtCameraHandler() :
       
    28 ivtSession( NULL )    
       
    29     {
       
    30     }
       
    31 
       
    32 // -----------------------------------------------------------------------------
       
    33 // From MLcCameraControl
       
    34 // -----------------------------------------------------------------------------
       
    35 //
       
    36 TInt TVtCameraHandler::LcCameraCountL()
       
    37     {
       
    38     return 2;
       
    39     }
       
    40 
       
    41 // -----------------------------------------------------------------------------
       
    42 // From MLcCameraControl
       
    43 // -----------------------------------------------------------------------------
       
    44 //
       
    45 TInt TVtCameraHandler::CurrentLcCameraIndex()
       
    46     {    
       
    47     if(ivtSession->LcVtStates().MediaState().IsPrimaryCameraInUse())
       
    48         return EFrontCamera;
       
    49     
       
    50     return EBackCamera;
       
    51     }
       
    52 
       
    53 // -----------------------------------------------------------------------------
       
    54 // From MLcCameraControl
       
    55 // -----------------------------------------------------------------------------
       
    56 //
       
    57 void TVtCameraHandler::ToggleLcCameraL()
       
    58     {
       
    59     if(ivtSession->LcVtStates().MediaState().IsPrimaryCameraInUse())
       
    60         ivtSession->HandleCommandL(EPluginCmdUseSecondaryCamera);
       
    61     else
       
    62         ivtSession->HandleCommandL(EPluginCmdUsePrimaryCamera);
       
    63     }
       
    64 
       
    65 // -----------------------------------------------------------------------------
       
    66 // From MLcBrightnessControl
       
    67 // -----------------------------------------------------------------------------
       
    68 //
       
    69 TInt TVtCameraHandler::MinLcBrightnessL()
       
    70     {
       
    71     return 0;
       
    72     }
       
    73 
       
    74 // -----------------------------------------------------------------------------
       
    75 // From MLcBrightnessControl
       
    76 // -----------------------------------------------------------------------------
       
    77 //
       
    78 TInt TVtCameraHandler::MaxLcBrightnessL()
       
    79     {
       
    80     return 0;
       
    81     }
       
    82 
       
    83 // -----------------------------------------------------------------------------
       
    84 // From MLcBrightnessControl
       
    85 // -----------------------------------------------------------------------------
       
    86 //
       
    87 TInt TVtCameraHandler::LcBrightnessL()
       
    88     {
       
    89     return 0;
       
    90     }
       
    91 
       
    92 // -----------------------------------------------------------------------------
       
    93 // From MLcBrightnessControl
       
    94 // -----------------------------------------------------------------------------
       
    95 //
       
    96 void TVtCameraHandler::SetLcBrightnessL( TInt aValue )
       
    97     {
       
    98     }
       
    99 
       
   100 // -----------------------------------------------------------------------------
       
   101 // From MLcBrightnessControl
       
   102 // -----------------------------------------------------------------------------
       
   103 //
       
   104 void TVtCameraHandler::IncreaseLcBrightnessL()
       
   105     {
       
   106     }
       
   107 
       
   108 // -----------------------------------------------------------------------------
       
   109 // From MLcBrightnessControl
       
   110 // -----------------------------------------------------------------------------
       
   111 //
       
   112 void TVtCameraHandler::DecreaseLcBrightnessL()
       
   113     {
       
   114     }
       
   115 
       
   116 // -----------------------------------------------------------------------------
       
   117 // From MLcZoomControl
       
   118 // -----------------------------------------------------------------------------
       
   119 //
       
   120 TInt TVtCameraHandler::MinLcZoomL()
       
   121     {
       
   122     return 0;
       
   123     }
       
   124 
       
   125 // -----------------------------------------------------------------------------
       
   126 // From MLcZoomControl
       
   127 // -----------------------------------------------------------------------------
       
   128 //
       
   129 TInt TVtCameraHandler::MaxLcZoomL()
       
   130     {
       
   131     MVtEngMedia& media = ivtSession->Model().Media();
       
   132     
       
   133     if(!LcVtUtility::IsZoomAllowed(media))
       
   134         {
       
   135         __VTPRINT( DEBUG_GEN, "TVtCameraHandler.MaxLcZoomL ZoomNotAllow" )
       
   136         return 0;
       
   137         }
       
   138     
       
   139     TInt max( 0 );
       
   140     const TInt error( media.GetMaxZoomStep( max ) );
       
   141     max = ( error ? 0 : max );
       
   142     
       
   143     __VTPRINT2( DEBUG_GEN, "TVtCameraHandler.MaxLcZoomL value=%d", max )
       
   144     
       
   145     return max;
       
   146     }
       
   147 
       
   148 // -----------------------------------------------------------------------------
       
   149 // From MLcZoomControl
       
   150 // -----------------------------------------------------------------------------
       
   151 //
       
   152 TInt TVtCameraHandler::LcZoomValueL()
       
   153     {
       
   154     MVtEngMedia& media = ivtSession->Model().Media();
       
   155 
       
   156     if(!LcVtUtility::IsZoomAllowed(media))
       
   157         {
       
   158         __VTPRINT( DEBUG_GEN, "TVtCameraHandler.LcZoomValueL ZoomNotAllow" )
       
   159         return 0;
       
   160         }
       
   161     
       
   162     TInt current( 0 );
       
   163     const TInt error( media.GetCurrentZoomStep( current ) );
       
   164     current = ( error ? 0 : current );    
       
   165     __VTPRINT2( DEBUG_GEN, "TVtCameraHandler.LcZoomValueL value=%d", 0 )
       
   166     return current;
       
   167     }
       
   168 
       
   169 // -----------------------------------------------------------------------------
       
   170 // From MLcZoomControl
       
   171 // -----------------------------------------------------------------------------
       
   172 //
       
   173 void TVtCameraHandler::SetLcZoomValueL( TInt aValue )
       
   174     {    
       
   175     MVtEngMedia& media = ivtSession->Model().Media();
       
   176     
       
   177     if(!LcVtUtility::IsZoomAllowed(media))
       
   178         {
       
   179         __VTPRINT( DEBUG_GEN, "TVtCameraHandler.SetLcZoomValueL ZoomNotAllow" )
       
   180         return;
       
   181         }
       
   182     
       
   183     if( aValue < 0 || aValue > MaxLcZoomL() )
       
   184         {
       
   185         __VTPRINT( DEBUG_GEN, "TVtCameraHandler.SetLcZoomValueL - Invalidate value" )
       
   186         return;
       
   187         }
       
   188     
       
   189     __VTPRINT2( DEBUG_GEN, "TVtCameraHandler.SetLcZoomValueL Call SetZoomFactorL(%d)" , aValue );
       
   190     ivtSession->SetZoomFactorL( aValue );
       
   191     
       
   192     }
       
   193 
       
   194 // -----------------------------------------------------------------------------
       
   195 // From MLcZoomControl
       
   196 // -----------------------------------------------------------------------------
       
   197 //
       
   198 void TVtCameraHandler::LcZoomInL()
       
   199     {
       
   200     MVtEngMedia& media = ivtSession->Model().Media();
       
   201     
       
   202     if(!LcVtUtility::IsZoomAllowed(media))
       
   203         {
       
   204         __VTPRINT( DEBUG_GEN, "TVtCameraHandler.LcZoomInL ZoomNotAllow" )
       
   205         return;
       
   206         }
       
   207     
       
   208     __VTPRINT( DEBUG_GEN, "TVtCameraHandler.LcZoomInL Call SetLcZoomValueL" )
       
   209     SetLcZoomValueL(LcZoomValueL() + 1);    
       
   210     }
       
   211 
       
   212 // -----------------------------------------------------------------------------
       
   213 // From MLcZoomControl
       
   214 // -----------------------------------------------------------------------------
       
   215 //
       
   216 void TVtCameraHandler::LcZoomOutL()
       
   217     {
       
   218     MVtEngMedia& media = ivtSession->Model().Media();
       
   219     
       
   220     if(!LcVtUtility::IsZoomAllowed(media))
       
   221         {
       
   222         __VTPRINT( DEBUG_GEN, "TVtCameraHandler.LcZoomOutL ZoomNotAllow" )
       
   223         return;
       
   224         }
       
   225     
       
   226     __VTPRINT( DEBUG_GEN, "TVtCameraHandler.LcZoomOutL Call SetLcZoomValueL" )
       
   227     SetLcZoomValueL(LcZoomValueL() - 1);
       
   228     }
       
   229 
       
   230 // -----------------------------------------------------------------------------
       
   231 //
       
   232 // -----------------------------------------------------------------------------
       
   233 //
       
   234 void TVtCameraHandler::SetSession( CLcVtSession* aSession )
       
   235     {
       
   236     ivtSession = aSession;
       
   237     }
       
   238 
       
   239