--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/scrsaver/scrsaverplugins/SlideshowPlugin/src/SlideshowSlide.cpp Thu Dec 17 08:46:04 2009 +0200
@@ -0,0 +1,123 @@
+/*
+* Copyright (c) 2006 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: Stores a single slide
+*
+*/
+
+
+
+
+
+// INCLUDES
+#include "SlideshowSlide.h"
+#include "SlideshowSlideLoader.h"
+#include "SlideshowPluginUtils.h"
+
+// Creator
+CSlideshowSlide* CSlideshowSlide::NewL(TDesC& aFileName, TBool aIsOnMC)
+ {
+ CSlideshowSlide* self = new (ELeave) CSlideshowSlide(aIsOnMC);
+ CleanupStack::PushL(self);
+ self->ConstructL(aFileName);
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+// Destructor
+CSlideshowSlide::~CSlideshowSlide()
+ {
+ ReleaseImage();
+ delete iSlideLoader;
+ delete iFileName;
+ }
+
+
+// Default C'tor
+CSlideshowSlide::CSlideshowSlide(TBool aIsOnMC)
+ : iFlags(SSS_NONE)
+ {
+ if (aIsOnMC)
+ {
+ iFlags |= SSS_ISONMC;
+ }
+ }
+
+// is decoding in progress
+TBool CSlideshowSlide::IsDecodingInProgress()
+ {
+ if(iSlideLoader->IsActive())
+ {
+ return ETrue;
+ }
+ return EFalse;
+ }
+// Could not decode the file
+TBool CSlideshowSlide::CouldNotDecodeFile()
+ {
+ if (iFlags & SSS_DECODEFAILED)
+ {
+ return ETrue;
+ }
+ return EFalse;
+ }
+// Two-phase constructor
+void CSlideshowSlide::ConstructL(TDesC& aFileName)
+ {
+ // Allocate space for the filename and save it
+ iFileName = HBufC::NewL(aFileName.Length());
+ *iFileName = aFileName;
+ iSlideLoader = CSlideshowSlideLoader::NewL(this);
+ }
+// Prepares the slide (loads image)
+void CSlideshowSlide::PrepareSlideL(const TSize& aTargetSize)
+ {
+ if (iFlags & SSS_IMAGELOADED)
+ {
+ return;
+ }
+ if( iSlideLoader->IsActive())
+ {
+ // slide is being decoded ... should wait .. dont call LoadSlideL here
+ // should not come here..
+ return;
+ }
+ iSlideLoader->LoadSlideL(*iFileName, aTargetSize);
+ }
+
+// Is slide decoded completely
+TBool CSlideshowSlide::IsSlideDecoded()
+ {
+ if (iFlags & SSS_IMAGELOADED)
+ {
+ return ETrue;
+ }
+ return EFalse;
+ }
+// Releases the slide's image
+void CSlideshowSlide::ReleaseImage()
+ {
+ // if decoding is in progress... at any cost dont delete the image before Canceling the decoding
+ if(IsDecodingInProgress())
+ {
+ iSlideLoader->Cancel();
+ }
+ else if(iImage )
+ {
+ delete iImage;
+ iImage = NULL;
+ }
+ //image deleted, revert back to not decoded state
+ iFlags &= ~(SSS_IMAGELOADED);
+ }
+// End of File