camerauis/cameraapp/generic/src/CamFileCheckAo.cpp
branchRCL_3
changeset 24 bac7acad7cb3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/src/CamFileCheckAo.cpp	Wed Sep 01 12:30:54 2010 +0100
@@ -0,0 +1,196 @@
+/*
+* Copyright (c) 2007-2008 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:  Active object that checks if files have been deleted outside camera
+*
+*/
+
+
+// INCLUDE FILES
+#include "CamFileCheckAo.h"
+#include "camlogging.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CCamFileCheckAo::CCamFileCheckAo
+// C++ constructor
+// -----------------------------------------------------------------------------
+//
+CCamFileCheckAo::CCamFileCheckAo( CCamAppController& aController, MCamFileCheckObserver& aObserver )
+    :CActive( EPriorityStandard ), iController( aController ), iObserver( aObserver )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CCamFileCheckAo::~CCamFileCheckAo
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CCamFileCheckAo::~CCamFileCheckAo()
+    {
+    PRINT( _L("Camera => CCamFileCheckAo::~CCamFileCheckAo()") );
+    Cancel();
+    PRINT( _L("Camera <= CCamFileCheckAo::~CCamFileCheckAo()") );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CCamFileCheckAo::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CCamFileCheckAo* CCamFileCheckAo::NewL( CCamAppController& aController, MCamFileCheckObserver& aObserver )
+    {
+    CCamFileCheckAo* self = new( ELeave ) CCamFileCheckAo( aController, aObserver );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CCamFileCheckAo::ConstructL
+// 2nd phase construction
+// -----------------------------------------------------------------------------
+//
+void CCamFileCheckAo::ConstructL()
+   {
+   CActiveScheduler::Add( this );
+   }
+
+// -----------------------------------------------------------------------------
+// CCamFileCheckAo::DoCancel
+// Cancels the active object
+// -----------------------------------------------------------------------------
+//
+void CCamFileCheckAo::DoCancel()
+    {
+    PRINT( _L("Camera => CCamFileCheckAo::DoCancel()") );
+    }
+
+// -----------------------------------------------------------------------------
+// CCamFileCheckAo::RunL
+// Check existance of next file in burstcapturearray.
+// -----------------------------------------------------------------------------
+//
+void CCamFileCheckAo::RunL()
+    {
+    PRINT1( _L("Camera => CCamFileCheckAo::RunL()  findex=%d"), iFileIndex )
+
+    //Check to prevent crash. Some items from array might have been deleted
+    //before this object have been activated...Or by different thread, active object and so on...
+    if ( iFileIndex < iArray->Count() && iFileIndex >= 0 )
+        {
+        if ( !BaflUtils::FileExists( iFs, iArray->FileName( iFileIndex ) ) 
+             && iArray->FileName( iFileIndex ) != KNullDesC )
+            {
+            PRINT1( _L("Camera <> CCamFileCheckAo::RunL: File %s didn't exist"),iArray->FileName( iFileIndex ).Ptr() )
+            iArray->SetDeleted( iFileIndex, ETrue );             
+            iFileCount--;
+            
+            // Avoid instant view switch from postcapture
+            // to precapture when the file was deleted
+            // in Photos or File Manager while camera
+            // postcapture view was in background.
+            User::After( 150000 ); 
+            }  	
+        }
+    else
+        {
+        PRINT( _L("Camera <> CCamFileCheckAo::RunL emptyrun") )
+        iFileIndex = iArray->Count();
+        iFileCount = iFileIndex;
+        iEmptyRun=ETrue;
+        }
+
+    if( iFileIndex > 0 && iFileCount > 0 )
+        {
+        if( iEmptyRun )
+            {
+            if( iFileIndex > iFileCount)
+                {
+                iFileIndex = iFileCount;	
+                }
+            else
+                {
+                iFileIndex--;	
+                }
+            }
+        else
+            {
+            iFileIndex--;          	
+            }
+        PRINT( _L("Camera <> CCamFileCheckAo::RunL: Set active again.") )
+        StartRequest();
+        }
+    else
+        {
+        //File check is complete. Don't set active anymore.
+        //Inform observer about result.
+        TRAPD( err, iObserver.FileCheckingCompleteL( iFileCount, KErrNone ) );
+        if( err != KErrNone )
+            {
+            User::Leave( err );
+            }
+        }
+    }
+
+
+
+// -----------------------------------------------------------------------------
+// CCamFileCheckAo::Start
+// Initializes starting index and set active..
+// -----------------------------------------------------------------------------
+//
+void CCamFileCheckAo::Start()
+    {
+    PRINT( _L("Camera => CCamFileCheckAo::Start()") );
+    iArray = iController.BurstCaptureArray();
+    iFileCount = iArray->Count();
+    iFileIndex = iFileCount;
+    iFs = CEikonEnv::Static()->FsSession();
+
+    StartRequest();
+    PRINT( _L("Camera <= CCamFileCheckAo::Start()") );
+    }
+
+// -----------------------------------------------------------------------------
+// CCamFileCheckAo::StartRequest
+// Set active and starts new request immediately
+// -----------------------------------------------------------------------------
+//
+void CCamFileCheckAo::StartRequest()
+    {
+    iEmptyRun = EFalse;
+    SetActive();
+    TRequestStatus* statusPtr = &iStatus;
+    User::RequestComplete( statusPtr, KErrNone );
+    }
+
+// -----------------------------------------------------------------------------
+// CCamFileCheckAo::RunError
+// Called when an error has occurred.
+// -----------------------------------------------------------------------------
+//
+TInt CCamFileCheckAo::RunError( TInt aError )
+    {
+    PRINT( _L("Camera => CCamFileCheckAo::RunError()") );
+    
+    TRAP_IGNORE( iObserver.FileCheckingCompleteL( 0, aError ) )
+    PRINT( _L("Camera <= CCamFileCheckAo::RunError()") );
+    return KErrNone;
+    }
+
+//  End of File