// Aseprite
// Copyright (C) 2001-2016  David Capello
//
// This program is distributed under the terms of
// the End-User License Agreement for Aseprite.

#ifndef APP_UTIL_CLIPBOARD_H_INCLUDED
#define APP_UTIL_CLIPBOARD_H_INCLUDED
#pragma once

#include "gfx/point.h"
#include "gfx/size.h"
#include "ui/base.h"

namespace doc {
  class Image;
  class Mask;
  class Palette;
  class PalettePicks;
}

namespace app {
  class Document;
  class ContextReader;
  class ContextWriter;
  class DocumentRange;

  namespace clipboard {
    using namespace doc;

    enum ClipboardFormat {
      ClipboardNone,
      ClipboardImage,
      ClipboardDocumentRange,
      ClipboardPaletteEntries,
    };

    // TODO Horrible API: refactor it (maybe a merge with she::clipboard).

    class ClipboardManager {
    public:
      ClipboardManager();
      ~ClipboardManager();

      static ClipboardManager* instance();
    };

    ClipboardFormat get_current_format();
    void get_document_range_info(Document** document, DocumentRange* range);

    void clear_content();
    void cut(ContextWriter& context);
    void copy(const ContextReader& context);
    void copy_merged(const ContextReader& context);
    void copy_range(const ContextReader& context, const DocumentRange& range);
    void copy_image(const Image* image, const Mask* mask, const Palette* palette);
    void copy_palette(const Palette* palette, const PalettePicks& picks);
    void paste();

    // Returns true and fills the specified "size"" with the image's
    // size in the clipboard, or return false in case that the clipboard
    // doesn't contain an image at all.
    bool get_image_size(gfx::Size& size);

    Palette* get_palette();
    const PalettePicks& get_palette_picks();

  } // namespace clipboard
} // namespace app

#endif
