--- a/scrsaver/scrsaverplugins/SlideshowPlugin/inc/SlideshowModel.h Thu Aug 19 09:55:47 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,258 +0,0 @@
-/*
-* 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: Takes care of storing and serving the slides
-* to Slideshow plugin
-*
-*/
-
-
-
-#ifndef C_SLIDESHOWMODEL_H
-#define C_SLIDESHOWMODEL_H
-
-#include <e32base.h>
-
-class CSlideshowSlide;
-
-// Slide Array's size. 5 seems like a reasonable granularity
-const TInt KSlideshowSlideArrayGranularity = 5;
-
-//Slide status
-//this is only called in startplugin, Dont call it anywhere
-//Get next slide status
-const TInt KStatusNoSlide = 0; //no side
-const TInt KStatusSlideDecoded = 1; //already decoded
-const TInt KStatusDecodingInProgress =2; //decoding in progress
-const TInt KStatusSlideNotDecoding = 3; //slide is there but not decoded
-const TInt KStatusSlideDecodeingFailed = 4; //could not decode the file
-
-// Slideshow model.
-// Contains slideshow slides, serves the slides to Slideshow plugin
-class CSlideshowModel : public CBase
- {
-
-public:
- /**
- * Return a new CSlideshowModel object
- */
- static CSlideshowModel* NewL();
-
- /**
- * Desconstructor
- */
- virtual ~CSlideshowModel();
-
-private:
- /**
- * Default constructor
- */
- CSlideshowModel();
-
- /*
- * Two-phase constructor, initialises member arrays and stuff
- */
- virtual void ConstructL();
-
-public: // Access functions
- /*
- * Number of slides query.
- */
- TInt NumberOfSlides() const;
-
- /*
- * Add a slide to the end of the array.
- *
- * @param aSlide The new slide which will be added to the silde array.
- */
- void AppendSlideL(CSlideshowSlide* aSlide);
-
- /*
- * Insert a slide at <aIndex>. Space must be reserved.
- *
- * @param aIndex The postion index which the new slide will be insert to.
- * @param aSilde The new slide which will be insert.
- */
- void InsertSlideL(TInt aIndex, CSlideshowSlide* aSlide);
-
- /*
- * Delete slide at <aIndex>.
- *
- * @param aIndex The slide at <aIndex> will be delete.
- */
- void DeleteSlide(TInt aIndex);
-
- /*
- * Delete all slides.
- */
- void DeleteAll();
-
- /*
- * Get slide at position <aIndex>.
- *
- * @return a slide at position <aIndex>.
- */
- CSlideshowSlide* SlideAt(TInt aIndex) const;
-
- /*
- * Get current slide index.
- *
- * @return the current slide index.
- */
- inline TInt CurrentSlideIndex() const;
-
- /*
- * Set current slide index.
- *
- * @param aIndex The slide index, which will be show.
- */
- inline void SetCurrentSlideIndex(TInt aIndex);
-
- /*
- * Get next slide in sequence
- *
- * @param aRandom No used now.
- * @return the next slide.
- */
- CSlideshowSlide* NextSlide(TBool aRandom);
-
- /*
- * Get slide status: decoded, decoding ,not started,decoding failed,no slide.
- *
- * @param aSlide the slide which status will be detected.
- * @return status of aSlide.
- */
- TInt SlideStatus(CSlideshowSlide* aSlide);
-
- /*
- * Prepare next slide.
- * @param aRandom Whether select next slide random.( ETrue is random, EFalse is sequential)
- * @param aTargetSize The slide Size.
- */
- void PrepareNextSlide(TBool aRandom, const TSize& aTargetSize);
-
- /*
- * Release next slide.
- */
- void ReleaseNextSlide();
-
- /*
- * Release Current slide.
- */
- void ReleaseCurrentSlide();
-
- /*
- * Get next slide index.
- *
- * @return the position index which slide will be on.
- */
- inline TInt NextSlideIndex() const;
-
- /*
- * Reserve space for <aCount> slides.
- *
- * @param aCount The slide number.
- */
- void SetReserveL(TInt aCount);
-
- /*
- * Query if model is busy (decoding a slide).
- *
- * @return status whether the model is ready.(ETrue is ready, EFalse is not)
- */
- TBool Busy();
-
- /*
- * Reset slide sequence, note that this will not release current image
- */
- inline void ResetSlideSequence();
-
-private: // Utility functions
- /*
- * Get a random number in the range aMin - aMax (inclusive)
- *
- * @param aMax The upper limited.
- * @param aMin The lower limited.
- * @return an random number which is between aMax and aMin.
- */
- TInt Random(TInt aMax, TInt aMin = 0);
-
-private:
- /*
- * Slide array
- */
- CArrayPtrFlat<CSlideshowSlide>* iSlides;
-
- /*
- * Current slide index
- */
- TInt iCurrentSlide;
-
- /*
- * Next slide index
- */
- TInt iNextSlide;
-
- /*
- * Random seed
- */
- TInt64 iRandSeed;
-
- /*
- * Busy flag
- */
- TBool iBusy;
- };
-
-//------------------------------------------------------------------------------
-// CSlideshowModel::CurrentSlideIndex
-//------------------------------------------------------------------------------
-//
-TInt CSlideshowModel::CurrentSlideIndex() const
- {
- return iCurrentSlide;
- }
-
-
-//------------------------------------------------------------------------------
-// CSlideshowModel::SetCurrentSlideIndex
-//------------------------------------------------------------------------------
-//
-void CSlideshowModel::SetCurrentSlideIndex(TInt aIndex)
- {
- iCurrentSlide = aIndex;
- }
-
-
-//------------------------------------------------------------------------------
-// CSlideshowModel::NextSlideIndex
-//------------------------------------------------------------------------------
-//
-TInt CSlideshowModel::NextSlideIndex() const
- {
- return iNextSlide;
- }
-
-//------------------------------------------------------------------------------
-// CSlideshowModel::ResetSlideSequence
-//------------------------------------------------------------------------------
-//
-void CSlideshowModel::ResetSlideSequence()
- {
- iCurrentSlide = 0;
- iNextSlide = -1;
- }
-
-#endif // C_CSLIDESHOWMODEL_H
-
-// End of file