src/screensaverview.cpp
changeset 14 8a173132b0aa
parent 2 058b1fc1663a
equal deleted inserted replaced
2:058b1fc1663a 14:8a173132b0aa
     1 /*
       
     2 * Copyright (c) 2004 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:   Screensaver view class implementation.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #include <power_save_display_mode.h>
       
    21 #include <screensaver.rsg>
       
    22 
       
    23 #include "ScreensaverUtils.h"
       
    24 #include "screensaverview.h"
       
    25 #include "screensaverappui.h"
       
    26 #include "screensaverplugin.h"
       
    27 #include "screensaverutility.h"
       
    28 #include "screensaverctrlmovingtext.h"
       
    29 #include "screensaverctrlnone.h"
       
    30 #include "screensaverctrlplugin.h"
       
    31 #include "screensaverengine.h"
       
    32 #include "screensavershareddatai.h"
       
    33 
       
    34 
       
    35 // -----------------------------------------------------------------------------
       
    36 // CScreensaverView::NewLC
       
    37 // add this NewLC code called by UI
       
    38 // -----------------------------------------------------------------------------
       
    39 // 
       
    40 CScreensaverView* CScreensaverView::NewL()
       
    41     {
       
    42     CScreensaverView* self = new( ELeave ) CScreensaverView();
       
    43     CleanupStack::PushL( self );
       
    44     self->ConstructL();
       
    45     CleanupStack::Pop();
       
    46     return self;
       
    47     }
       
    48 
       
    49 // -----------------------------------------------------------------------------
       
    50 // CScreensaverView::CScreensaverView
       
    51 // -----------------------------------------------------------------------------
       
    52 //
       
    53 CScreensaverView::CScreensaverView()
       
    54     {
       
    55     }
       
    56 
       
    57 
       
    58 // -----------------------------------------------------------------------------
       
    59 // CScreensaverView::~CScreensaverView
       
    60 // -----------------------------------------------------------------------------
       
    61 //
       
    62 CScreensaverView::~CScreensaverView( )
       
    63     {
       
    64     DestroyDisplayObject();
       
    65     }
       
    66 
       
    67 
       
    68 // -----------------------------------------------------------------------------
       
    69 // CScreensaverView::ConstructL
       
    70 // -----------------------------------------------------------------------------
       
    71 //
       
    72 void CScreensaverView::ConstructL( )
       
    73     {
       
    74     // Let CAknView do its stuff
       
    75     BaseConstructL();
       
    76     
       
    77     SetDisplayObject( PslnSettingScreensaverType() );
       
    78     }
       
    79 
       
    80 
       
    81 // -----------------------------------------------------------------------------
       
    82 // CScreensaverView::CreateDisplayObjectL
       
    83 // -----------------------------------------------------------------------------
       
    84 //
       
    85 void CScreensaverView::CreateDisplayObjectL( TDisplayObjectType aType )
       
    86     {
       
    87     SCRLOGGER_WRITEF(_L("SCR: CScreensaverView::CreateDisplayObjectL "),aType);
       
    88     
       
    89     DestroyDisplayObject();
       
    90     
       
    91     switch( aType )
       
    92         {
       
    93         case EDisplayPlugin:
       
    94             {
       
    95             iControl = CScreensaverCtrlPlugin::NewL();
       
    96             break;
       
    97             }
       
    98             
       
    99         case EDisplayTime:
       
   100         case EDisplayText:
       
   101             {
       
   102             iControl = CScreensaverCtrlMovingText::NewL( aType );
       
   103             break;
       
   104             }
       
   105             
       
   106         case EDisplayNone:
       
   107             {
       
   108             iControl = CScreensaverCtrlNone::NewL();
       
   109             break;
       
   110             }
       
   111             
       
   112         default:
       
   113             {
       
   114             break;
       
   115             }
       
   116         }
       
   117     
       
   118     iCurrentControlType = aType;
       
   119     }
       
   120 
       
   121 // -----------------------------------------------------------------------------
       
   122 // CScreensaverView::SetDisplayObject
       
   123 // -----------------------------------------------------------------------------
       
   124 //
       
   125 void CScreensaverView::SetDisplayObject( TDisplayObjectType aType )
       
   126     {
       
   127     SCRLOGGER_WRITEF(_L("SCR: CScreensaverView::SetDisplayObject "));
       
   128     
       
   129     TRAPD( error, CreateDisplayObjectL( aType ) );
       
   130 
       
   131     if(error == KErrNone)
       
   132         return;
       
   133 
       
   134     SCRLOGGER_WRITE("ResetDisplayObject() setting default screensaver");
       
   135 
       
   136     TRAP_IGNORE( CreateDisplayObjectL( DefaultScreensaverType() ) );
       
   137     }
       
   138 
       
   139 // -----------------------------------------------------------------------------
       
   140 // CScreensaverView::CreatePreviewDisplayObjectL
       
   141 // -----------------------------------------------------------------------------
       
   142 //
       
   143 void CScreensaverView::CreatePreviewDisplayObjectL()
       
   144     {
       
   145     SCRLOGGER_WRITEF(_L("SCR: CScreensaverView::CreatePreviewDisplayObjectL "));
       
   146     TRAPD( error, CreateDisplayObjectL( PslnSettingScreensaverType() ) );
       
   147 
       
   148     if(error == KErrNone)
       
   149         {
       
   150         Model().SharedDataInterface()->SetScreensaverPreviewState(
       
   151             EScreenSaverPreviewLoaded );
       
   152         return;
       
   153         }
       
   154     
       
   155     Model().SharedDataInterface()->SetScreensaverPreviewState(
       
   156         EScreenSaverPreviewError );
       
   157     }
       
   158 
       
   159 // -----------------------------------------------------------------------------
       
   160 // CScreensaverView::Id
       
   161 // -----------------------------------------------------------------------------
       
   162 //
       
   163 TUid CScreensaverView::Id( ) const
       
   164     {
       
   165     return KUidScreensaverView;
       
   166     }
       
   167 
       
   168 
       
   169 // -----------------------------------------------------------------------------
       
   170 // CScreensaverView::DoActivateL
       
   171 // -----------------------------------------------------------------------------
       
   172 //
       
   173 void CScreensaverView::DoActivateL( const TVwsViewId& /*aPrevViewId*/,
       
   174     TUid /*aCustomMessageId*/, const TDesC8& /*aCustomMessage*/)
       
   175     {
       
   176     }
       
   177 
       
   178 
       
   179 // -----------------------------------------------------------------------------
       
   180 // CScreensaverView::DoDeactivate
       
   181 // -----------------------------------------------------------------------------
       
   182 //
       
   183 void CScreensaverView::DoDeactivate( )
       
   184     {
       
   185     }
       
   186 
       
   187 // -----------------------------------------------------------------------------
       
   188 // CScreensaverView::ShowDisplayObject
       
   189 // -----------------------------------------------------------------------------
       
   190 //
       
   191 void CScreensaverView::ShowDisplayObject()
       
   192     {
       
   193     SCRLOGGER_WRITEF(_L("SCR: CScreensaverView::ShowDisplayObject "));
       
   194     
       
   195     iControl->StartDrawObject();
       
   196     }
       
   197 
       
   198 // -----------------------------------------------------------------------------
       
   199 // CScreensaverView::HideDisplayObject
       
   200 // -----------------------------------------------------------------------------
       
   201 //
       
   202 void CScreensaverView::HideDisplayObject()
       
   203     {
       
   204     SCRLOGGER_WRITEF(_L("SCR: CScreensaverView::HideDisplayObject "));
       
   205     iControl->StopDrawObject();
       
   206     
       
   207     ScreensaverUtility::SendToBackground();
       
   208     }
       
   209 
       
   210 // -----------------------------------------------------------------------------
       
   211 // CScreensaverView::UpdateAndRefresh
       
   212 // Updates indicators and refreshes the display
       
   213 // -----------------------------------------------------------------------------
       
   214 //
       
   215 void CScreensaverView::UpdateAndRefresh( )
       
   216     {
       
   217     SCRLOGGER_WRITEF(_L("SCR: CScreensaverView::UpdateAndRefresh "));
       
   218     iControl->Refresh();
       
   219     }
       
   220 
       
   221 // -----------------------------------------------------------------------------
       
   222 // CScreensaverView::DefaultScreensaverType
       
   223 // -----------------------------------------------------------------------------
       
   224 //
       
   225 TDisplayObjectType CScreensaverView::DefaultScreensaverType()
       
   226     {
       
   227     return Model().SharedDataInterface()->DefaultScreensaverType();
       
   228     }
       
   229 
       
   230 // -----------------------------------------------------------------------------
       
   231 // CScreensaverView::PslnSettingScreensaverType
       
   232 // -----------------------------------------------------------------------------
       
   233 //
       
   234 TDisplayObjectType CScreensaverView::PslnSettingScreensaverType()
       
   235     {
       
   236     return Model().SharedDataInterface()->DisplayObjectType();
       
   237     }
       
   238 
       
   239 // -----------------------------------------------------------------------------
       
   240 // CScreensaverView::Model
       
   241 // -----------------------------------------------------------------------------
       
   242 //
       
   243 CScreensaverEngine& CScreensaverView::Model() const
       
   244     {
       
   245     return STATIC_CAST( CScreensaverAppUi*, CCoeEnv::Static()->AppUi() )->Model(); 
       
   246     }
       
   247 
       
   248 // -----------------------------------------------------------------------------
       
   249 // CScreensaverView::DestroyDisplayObject
       
   250 // -----------------------------------------------------------------------------
       
   251 //
       
   252 void CScreensaverView::DestroyDisplayObject()
       
   253     {
       
   254     SCRLOGGER_WRITEF(_L("SCR: CScreensaverView::DestroyDisplayObject "));
       
   255     if( iControl )
       
   256         {
       
   257         delete iControl;
       
   258         iControl = NULL;
       
   259         }
       
   260     }
       
   261 // End of file