/*
 * Copyright 2011, Haiku.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Philippe Houdoin
 */
#ifndef PICTURE_VIEW_H
#define PICTURE_VIEW_H


#include <Node.h>
#include <String.h>
#include <View.h>


class BBitmap;
class BFilePanel;

const uint32    kMsgLoadImage   = 'mLIM';


class PictureView : public BView {
public:
                                                                PictureView(float width, float height,
                                                                        const entry_ref* ref);
        virtual                                         ~PictureView();

                        bool                            HasChanged();
                        void                            Revert();
                        void                            Update();
                        void                            Update(const entry_ref* ref);

                        BBitmap*                        Bitmap();
                        uint32                          SuggestedType();
                        const char*                     SuggestedMIMEType();

        virtual void                            MessageReceived(BMessage* message);
        virtual void                            Draw(BRect updateRect);
        virtual void                            MouseDown(BPoint point);
        virtual void                            KeyDown(const char* bytes, int32 numBytes);
        virtual void                            WindowActivated(bool active);
        virtual void                            MakeFocus(bool focused);

private:
                        void                            _BeginDrag(BPoint sourcePoint);
                        void                            _HandleDrop(BMessage* message);
                        void                            _ShowPopUpMenu(BPoint screen);
                        BBitmap*                        _CopyPicture(uint8 alpha);

                        status_t                        _LoadPicture(const entry_ref* ref);
                        void                            _SetPicture(BBitmap* bitmap);

                        BBitmap*                        fPicture;
                        BBitmap*                        fOriginalPicture;
                        BBitmap*                        fDefaultPicture;
                        bool                            fShowingPopUpMenu;
                        BRect                           fPictureRect;
                        uint32                          fPictureType;
                        BString                         fPictureMIMEType;
                        bool                            fFocusChanging;
                        BFilePanel*                     fOpenPanel;
};

#endif