/* 
 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
 *
 * 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; version 2 of the
 * License.
 * 
 * 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., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301  USA
 */

#ifndef _MINI_VIEW_H_
#define _MINI_VIEW_H_


#include "wbcanvas/base_bridge.h"

namespace mdc 
{
  class CanvasView;
  struct CairoCtx;
};

namespace wb 
{
  class MiniView : public mdc::Figure
  {
    mdc::CanvasView *_canvas_view;
    model_DiagramRef _model_diagram;

    base::Point _click_pos;

    bool _updating_viewport;
    bool _skip_viewport_update;

    mdc::RectangleFigure *_viewport_figure;

    boost::signals2::scoped_connection _view_repaint_connection;
    boost::signals2::scoped_connection _view_viewport_change_connection;

    void render_figure(mdc::CairoCtx *cr, const model_FigureRef &elem);
    void render_layer(mdc::CairoCtx *cr, const model_LayerRef &layer, bool draw);
    virtual void draw_contents(mdc::CairoCtx *cr);

    void viewport_changed();

    void viewport_dragged(const base::Rect &rect);

    base::Rect get_scaled_target_bounds(double &scale);

    bool view_button_cb(mdc::CanvasView*, mdc::MouseButton, bool, base::Point, mdc::EventState);
    bool view_motion_cb(mdc::CanvasView*, base::Point, mdc::EventState);

  public:
    MiniView(mdc::Layer *output_layer);
    virtual ~MiniView();
    
    void update_size();
    void set_active_view(mdc::CanvasView *canvas_view, const model_DiagramRef &model_diagram);
  };
};

#endif /* _MINI_VIEW_H_ */
