/* Aseprite
 * Copyright (C) 2001-2013  David Capello
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef APP_APP_H_INCLUDED
#define APP_APP_H_INCLUDED
#pragma once

#include "base/signal.h"
#include "base/string.h"
#include "base/system_console.h"
#include "base/unique_ptr.h"
#include "raster/pixel_format.h"

#include <string>
#include <vector>

namespace raster {
  class Layer;
}

namespace ui {
  class GuiSystem;
}

namespace app {

  class AppOptions;
  class Document;
  class DocumentExporter;
  class INotificationDelegate;
  class LegacyModules;
  class LoggerModule;
  class MainWindow;
  class RecentFiles;

  namespace tools {
    class ToolBox;
  }

  using namespace raster;

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

    static App* instance() { return m_instance; }

    // Returns true if Aseprite is running with GUI available.
    bool isGui() const { return m_isGui; }

    // Returns true if the application is running in portable mode.
    bool isPortable();

    // Runs the Aseprite application. In GUI mode it's the top-level
    // window, in console/scripting it just runs the specified
    // scripts.
    void initialize(const AppOptions& options);
    void run();

    tools::ToolBox* getToolBox() const;
    RecentFiles* getRecentFiles() const;
    MainWindow* getMainWindow() const { return m_mainWindow; }

    void showNotification(INotificationDelegate* del);
    void updateDisplayTitleBar();

    // App Signals
    Signal0<void> Exit;
    Signal0<void> PaletteChange;
    Signal0<void> BrushSizeBeforeChange;
    Signal0<void> BrushSizeAfterChange;
    Signal0<void> BrushAngleBeforeChange;
    Signal0<void> BrushAngleAfterChange;
    Signal0<void> CurrentToolChange;

  private:
    typedef std::vector<std::string> FileList;
    class Modules;

    static App* m_instance;

    base::SystemConsole m_systemConsole;
    base::UniquePtr<ui::GuiSystem> m_guiSystem;
    Modules* m_modules;
    LegacyModules* m_legacy;
    bool m_isGui;
    bool m_isShell;
    base::UniquePtr<MainWindow> m_mainWindow;
    FileList m_files;
    base::UniquePtr<DocumentExporter> m_exporter;
  };

  void app_refresh_screen();
  void app_rebuild_documents_tabs();
  PixelFormat app_get_current_pixel_format();
  void app_default_statusbar_message();
  int app_get_color_to_clear_layer(Layer* layer);

} // namespace app

#endif
