/*****************************************************************************/
// SlideShowSaver
// Written by Michael Wilber
// Slide show code derived from ShowImage code, written by Michael Pfeiffer
//
// SlideShowSaver.h
//
//
// Copyright (C) Haiku
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense, 
// and/or sell copies of the Software, and to permit persons to whom the 
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included 
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
/*****************************************************************************/


#ifndef SLIDE_SHOW_SAVER_H
#define SLIDE_SHOW_SAVER_H

#include <Locker.h>
#include <ScreenSaver.h>
#include <Bitmap.h>
#include <String.h>
#include <Entry.h>
#include "LiveSettings.h"

class SlideShowSaver :
        public BScreenSaver,
        public LiveSettingsObserver {
public:
        SlideShowSaver(BMessage *archive, image_id image);
        virtual ~SlideShowSaver(void);
        
        virtual void SettingChanged(uint32 setting);

        virtual void StartConfig(BView *view);
        virtual status_t StartSaver(BView *view, bool preview);
        virtual void Draw(BView *view, int32 frame);
        
protected:
        // reload ticksize setting and apply it
        status_t UpdateTickSize();
        
        status_t UpdateShowCaption();
        status_t UpdateShowBorder();
        // reload directory setting and apply it
        status_t UpdateDirectory();
        
        // Function taken from Haiku ShowImage,
        // function originally written by Michael Pfeiffer
        status_t SetImage(const entry_ref *pref);

        // Function originally from Haiku ShowImage
        bool ShowNextImage(bool next, bool rewind);

        // Function taken from Haiku ShowImage,
        // function originally written by Michael Pfeiffer
        bool IsImage(const entry_ref *pref);

        // Function taken from Haiku ShowImage,
        // function originally written by Michael Pfeiffer
        bool FindNextImage(entry_ref *in_current, entry_ref *out_image, bool next, bool rewind);

        // Function taken from Haiku ShowImage,
        // function originally written by Michael Pfeiffer
        void FreeEntries(BList *entries);
        
        void LayoutCaption(BView *view, BFont &font, BPoint &pos, BRect &rect); 
        void DrawCaption(BView *view);
        // void UpdateCaption(BView *view);

private:
        BLocker fLock;
        bool fNewDirectory;
        LiveSettings *fSettings;
        BBitmap *fBitmap;
        BString fCaption;
        entry_ref fCurrentRef;
        bool fShowCaption;
        bool fShowBorder;
};

#endif // #ifndef SLIDE_SHOW_SAVER_H