camerauis/cameraapp/generic/src/cameracontroller/camcameracontrolleractive.cpp
changeset 0 1ddebce53859
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/src/cameracontroller/camcameracontrolleractive.cpp	Thu Jan 07 16:18:56 2010 +0200
@@ -0,0 +1,173 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  CCamCameraControllerActive class implementation.
+*                
+*
+*/
+
+
+#include <e32base.h>
+#include "camcameracontroller.pan"
+#include "camlogging.h"
+#include "camcameracontroller.h"
+#include "camcameracontrolleractive.h"
+
+using namespace NCamCameraController;
+
+
+// ===========================================================================
+// Costructors and destructor
+
+// ---------------------------------------------------------------------------
+// 2 phase constructor <<static>>
+// ---------------------------------------------------------------------------
+//
+CCamCameraControllerActive* 
+CCamCameraControllerActive::NewL( CCamCameraController& aController, 
+                                  TInt                  aPriority   )
+  {
+  CCamCameraControllerActive* self = 
+      new (ELeave) CCamCameraControllerActive( aController, aPriority );
+
+  CleanupStack::PushL( self );
+  self->ConstructL();
+  CleanupStack::Pop( self );
+
+  return self;
+  }
+
+
+// ---------------------------------------------------------------------------
+// Destructor <<virtual>>
+// ---------------------------------------------------------------------------
+//
+CCamCameraControllerActive::~CCamCameraControllerActive()
+  {
+  PRINT( _L("Camera => ~CCamCameraControllerActive") );
+  Cancel();
+  PRINT( _L("Camera <= ~CCamCameraControllerActive") );
+  }
+
+  
+// ---------------------------------------------------------------------------
+// 2nd phase constructor
+// ---------------------------------------------------------------------------
+//
+void 
+CCamCameraControllerActive::ConstructL()
+  {
+  CActiveScheduler::Add( this );
+  }
+
+
+// ---------------------------------------------------------------------------
+// 1st phase constructor
+// ---------------------------------------------------------------------------
+//
+CCamCameraControllerActive
+::CCamCameraControllerActive( CCamCameraController& aController, 
+                              TInt                  aPriority   )
+  : CActive( aPriority ),
+    iController( aController )
+  {
+  }
+    
+// ===========================================================================
+// From CActive
+
+// ---------------------------------------------------------------------------
+// DoCancel <<virtual>> 
+// ---------------------------------------------------------------------------
+//
+void 
+CCamCameraControllerActive::DoCancel()
+  {
+  HandleError( KErrCancel );
+  }
+
+// ---------------------------------------------------------------------------
+// RunL <<virtual>>
+// ---------------------------------------------------------------------------
+//
+void 
+CCamCameraControllerActive::RunL()
+  {
+  PRINT( _L("Camera => CCamCameraControllerActive::RunL") );
+  User::LeaveIfError( iStatus.Int() );
+
+  TInt more = iController.ProcessNextRequestL();
+  
+  if( more )
+    {
+    IssueRequest();
+    }
+  else
+    {
+    // No more callbacks needed atleast for now.    
+    }
+  PRINT( _L("Camera <= CCamCameraControllerActive::RunL") );
+  }
+
+// ---------------------------------------------------------------------------
+// RunError <<virtual>>
+//
+// Called when leave occurs in RunL
+// ---------------------------------------------------------------------------
+//
+TInt 
+CCamCameraControllerActive::RunError( TInt aError )
+  {
+  PRINT1( _L("Camera => CCamCameraControllerActive::RunError, error:%d"), aError );
+
+  HandleError( aError );
+  
+  PRINT( _L("Camera <= CCamCameraControllerActive::RunError") );
+  return KErrNone;
+  }
+
+// ===========================================================================
+// New methods
+
+// ---------------------------------------------------------------------------
+// IssueRequest
+// ---------------------------------------------------------------------------
+//
+void
+CCamCameraControllerActive::IssueRequest()
+  {
+  PRINT( _L("Camera => CCamCameraControllerActive::IssueRequest") );
+
+  __ASSERT_ALWAYS( !IsActive(), Panic( ECamCameraControllerBusy ) );
+
+  // Set RunL to be called as soon as possible  
+  TRequestStatus* status = &iStatus;
+  User::RequestComplete( status, KErrNone );
+  SetActive();
+
+  PRINT( _L("Camera <= CCamCameraControllerActive::IssueRequest") );
+  }
+
+
+// ---------------------------------------------------------------------------
+// HandleError
+// ---------------------------------------------------------------------------
+//
+void 
+CCamCameraControllerActive::HandleError( TInt aStatus )
+  {
+  iController.EndSequence( aStatus );
+  }
+
+// ===========================================================================
+// end of file