TB10.1 Example Applications: examples/Graphics/WS/Direct/Direct.cpp Source File

00001 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
-00002 // All rights reserved.
-00003 // This component and the accompanying materials are made available
-00004 // under the terms of "Eclipse Public License v1.0"
-00005 // which accompanies this distribution, and is available
-00006 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
-00007 //
-00008 // Initial Contributors:
-00009 // Nokia Corporation - initial contribution.
-00010 //
-00011 // Contributors:
-00012 //
-00013 // Description:
-00014 //
-00015 
-00016 #include "CLifeEngine.h"
-00017 #include "Direct.h"
-00018 #include "CDirectDisplayLife.h"
-00019 
-00020 #include <eikenv.h>
-00021 #include <eikmenub.h>
-00022 
-00023 #include <eikspane.h>
-00024 
-00025 #include <eikstart.h>
-00026 
-00027 //
-00028 // CExampleAppView
-00029 //
-00030 
-00031 CExampleAppView::CExampleAppView(CLifeEngine& aLifeEngine)
-00032 : iLifeEngine(aLifeEngine)
-00033         {
-00034         }
-00035 
-00036 void CExampleAppView::ConstructL(const TRect& aRect)
-00037         {
-00038         // Create window
-00039         CreateWindowL();
-00040         SetRect(aRect);
-00041 
-00042         // Set up direct displayer for life engine
-00043         iDirectDisplayLife = new (ELeave) CDirectDisplayLife (
-00044                 iEikonEnv->WsSession(),         // Window server session
-00045                 Window(),                                       // The window itself
-00046                 iLifeEngine);
-00047         iDirectDisplayLife -> ConstructL();
-00048 
-00049         ActivateL();
-00050         }
-00051 
-00052 CExampleAppView::~CExampleAppView()
-00053         {
-00054         delete iDirectDisplayLife;
-00055         }
-00056 
-00057 // Start using the DSA
-00058 void CExampleAppView::StartDirectL()
-00059         {
-00060         iDirectDisplayLife -> StartL();
-00061         iState = EDirectStarted;
-00062         }
-00063 
-00064 // Pause use of the DSA
-00065 void CExampleAppView::PauseDirect()
-00066         {
-00067         iState = EDirectPaused; 
-00068         iDirectDisplayLife -> Cancel();
-00069         }
-00070 
-00071 // Restart use of the DSA after pausing
-00072 void CExampleAppView::RestartDirect()
-00073         {
-00074         iState = EDirectStarted;
-00075         iDirectDisplayLife -> Restart(RDirectScreenAccess::ETerminateCancel);
-00076         }
-00077 
-00078 // Gets the view state
-00079 TInt CExampleAppView::State() const
-00080         {
-00081         return iState;
-00082         }
-00083 
-00084 
-00085 void CExampleAppView::Draw(const TRect& /*aRect*/) const
-00086         {
-00087         CWindowGc& gc = SystemGc();
-00088         // white out whole rectangle
-00089         TRect rect=Rect();
-00090         gc.SetPenStyle(CGraphicsContext::ENullPen);
-00091         gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
-00092         gc.SetBrushColor(KRgbWhite);
-00093         gc.DrawRect(rect);
-00094         // border
-00095         rect.Shrink(10,10);
-00096         gc.SetBrushStyle(CGraphicsContext::ENullBrush);
-00097         gc.SetPenStyle(CGraphicsContext::ESolidPen);
-00098         gc.DrawRect(rect);
-00099         }
-00100 
-00101 
-00102 //
-00103 // CExampleAppUi
-00104 //
-00105 
-00106 void CExampleAppUi::ConstructL()
-00107         {
-00108         BaseConstructL();
-00109 
-00110         // Construct the view
-00111         iAppView=new(ELeave) CExampleAppView(static_cast<CExampleDocument*>(Document())->LifeEngine());
-00112         iAppView->ConstructL(ClientRect());
-00113 
-00114         // Construct the example overlaying dialog
-00115         iOverlayDialog = new (ELeave) COverlayDialog();
-00116         CActiveScheduler::Add(iOverlayDialog);
-00117         }
-00118 
-00119 CExampleAppUi::~CExampleAppUi()
-00120         {
-00121         delete iAppView;
-00122         iOverlayDialog->Cancel();
-00123         delete iOverlayDialog;
-00124         }
-00125 
-00126 // Handle menu commands
-00127 void CExampleAppUi::HandleCommandL(TInt aCommand)
-00128         {
-00129         switch (aCommand)
-00130                 {
-00131         // Start command
-00132         case EExampleCmd1:
-00133                 // Different action required for very first start
-00134                 // And subsequent restarts
-00135                 if (iAppView -> State() == CExampleAppView::EDirectNotStarted)
-00136                         iAppView -> StartDirectL();
-00137                 else
-00138                         {
-00139                         iAppView -> PauseDirect();
-00140                         static_cast<CExampleDocument*>(Document())->LifeEngine().Reset();
-00141                         iAppView -> RestartDirect();
-00142                         }
-00143                 break;
-00144         // Test overlay command
-00145         case EExampleCmd2:
-00146                 iOverlayDialog->ShowDialog();
-00147                 break;
-00148         // Close command
-00149         case EEikCmdExit: 
-00150                 Exit();
-00151                 break;
-00152                 }
-00153         }
-00154 
-00155 //
-00156 // CExampleAppUi::COverlayDialog
-00157 //
-00158 
-00159 CExampleAppUi::COverlayDialog::COverlayDialog()
-00160 :CActive(EPriorityStandard)
-00161         {
-00162         iNotifier.Connect();
-00163         }
-00164 
-00165 CExampleAppUi::COverlayDialog::~COverlayDialog()
-00166         {
-00167         Cancel();
-00168         iNotifier.Close();
-00169         }
-00170 
-00171 void CExampleAppUi::COverlayDialog::ShowDialog()
-00172         {
-00173         _LIT(KLine1,"Overlaying dialog");
-00174         _LIT(KLine2,"Owned by another thread");
-00175         _LIT(KBut,"OK");
-00176 
-00177         // Use a notifier to display a dialog from the notifier server thread
-00178         iNotifier.Notify(KLine1,KLine2,KBut,KBut,iR,iStatus);
-00179         SetActive();
-00180         }
-00181 
-00182 void CExampleAppUi::COverlayDialog::RunL()
-00183         {
-00184         // Don't care what the dialog returned
-00185         }
-00186 
-00187 void CExampleAppUi::COverlayDialog::DoCancel()
-00188         {
-00189         }
-00190 
-00191 //
-00192 // CExampleDocument
-00193 //
-00194 
-00195 CExampleDocument::CExampleDocument(CEikApplication& aApp)
-00196                 : CEikDocument(aApp)
-00197         {
-00198         }
-00199 
-00200 CExampleDocument::~CExampleDocument()
-00201         {
-00202         delete iLifeEngine;
-00203         }
-00204 
-00205 CLifeEngine& CExampleDocument::LifeEngine() const
-00206         {
-00207         return *iLifeEngine;
-00208         }
-00209 
-00210 CEikAppUi* CExampleDocument::CreateAppUiL()
-00211         {
-00212         // Get a random seed from the timer
-00213         User::After(1);
-00214         TTime now;
-00215         now.HomeTime();
-00216 
-00217         // Create engine
-00218         iLifeEngine = new (ELeave) CLifeEngine(now.Int64());
-00219         return new(ELeave) CExampleAppUi;
-00220         }
-00221 
-00222 //
-00223 // CExampleApplication
-00224 //
-00225 
-00226 TUid CExampleApplication::AppDllUid() const
-00227         {
-00228         return KUidExample;
-00229         }
-00230 
-00231 CApaDocument* CExampleApplication::CreateDocumentL()
-00232         {
-00233         return new (ELeave) CExampleDocument(*this);
-00234         }
-00235 
-00236 //
-00237 // DLL interface
-00238 //
-00239 
-00240 EXPORT_C CApaApplication* NewApplication()
-00241         {
-00242         return new CExampleApplication;
-00243         }
-00244 
-00245                                                                                 
-00246 extern TInt E32Main()           
-00247         {
-00248         return EikStart::RunApplication(NewApplication);
-00249         }
-