/*

    Copyright (C) 2008,2009 INdT - Instituto Nokia de Tecnologia

    Copyright (C) 2009,2010 ProFUSION embedded systems

    Copyright (C) 2009,2010 Samsung Electronics

    This file is free software; you can redistribute it and/or

    modify it under the terms of the GNU Library General Public

    License as published by the Free Software Foundation; either

    version 2 of the License, or (at your option) any later version.

    This file 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

    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License

    along with this library; see the file COPYING.LIB.  If not, write to

    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    Boston, MA 02110-1301, USA.

*/

group {

    name: "scrollbar.vertical";

    min: 10 0; /* if > 0, this is the minimum size that will be allocated.

                * If wants to draw on top, just overflow usign edje's rel1/rel2

                */

    images {

        image: "widget/scrollbar/scrollbar_v.png" COMP;

        image: "widget/scrollbar/scrollbar_knob_v.png" COMP;

    }

    script {

        public hide_timer;

        public hide_timer_cb(val) {

            run_program(PROGRAM:"hide");

            return 0;

        }

        public hide_timer_stop() {

            new id = get_int(hide_timer);

            if (id <= 0)

                return;

            cancel_timer(id);

            set_int(hide_timer, 0);

        }

        public hide_timer_start() {

            set_int(hide_timer, timer(1.0, "hide_timer_cb", 0));

        }

        public message(Msg_Type:type, id, ...) {

            if ((id == 0) && (type == MSG_FLOAT_SET)) {

                new Float:vy, Float:sy;

                vy = getfarg(2);

                sy = getfarg(3);

                if (vy >= 0.0) {

                    set_drag_size(PART:"img.knob", 1.0, sy);

                    set_drag(PART:"img.knob", 0.0, vy);

                    run_program(PROGRAM:"show");

                } else

                    run_program(PROGRAM:"hide");

                hide_timer_stop();

                hide_timer_start();

            }

        }

        public update_drag_pos() {

            new Float:x, Float:y;

            get_drag(PART:"img.knob", x, y);

            send_message(MSG_FLOAT, 1, y);

        }

    }

    parts {

         part {

            name: "rect.base";

            type: RECT;

            description {

               min: 10 0;

               max: 10 999999;

               state: "default" 0.0;

               color: 255 255 255 0;

            }

         }

         part {

            name: "rect.clipper";

            type: RECT;

            description {

               state: "default" 0.0;

               color: 255 255 255 255;

            }

            description {

               state: "hidden" 0.0;

               color: 255 255 255 128;

            }

         }

         part {

            name: "img.scrollbar";

            type: IMAGE;

            mouse_events: 0;

            clip_to: "rect.clipper";

            description {

               state: "default" 0.0;

               image {

                  normal: "widget/scrollbar/scrollbar_v.png";

                  border: 0 0 6 6;

               }

           }

         }

         part {

            name: "img.knob";

            type: IMAGE;

            mouse_events: 1;

            clip_to: "rect.clipper";

            dragable {

                x: 0 0 0;

                y: 1 1 0;

                confine: "rect.base";

            }

            description {

               state: "default" 0.0;

               min: 10 10;

               max: 10 999999;

               image {

                  normal: "widget/scrollbar/scrollbar_knob_v.png";

                  border: 0 0 6 6;

               }

            }

         }

    }

    programs {

        program {

           name: "load";

           signal: "load";

           action: STATE_SET "hidden" 0.0;

           target: "rect.clipper";

        }

        program {

           name: "hide";

           action: STATE_SET "hidden" 0.0;

           transition: ACCELERATE 0.5;

           target: "rect.clipper";

        }

        program {

           name: "show";

           action: STATE_SET "default" 0.0;

           target: "rect.clipper";

        }

        program {

           name: "dragged";

           signal: "drag";

           source: "img.knob";

           script {

              update_drag_pos();

           }

        }

    }

}

group {

    name: "scrollbar.horizontal";

    min: 0 10; /* if > 0, this is the minimum size that will be allocated.

                * If wants to draw on top, just overflow usign edje's rel1/rel2

                */

    images {

        image: "widget/scrollbar/scrollbar_h.png" COMP;

        image: "widget/scrollbar/scrollbar_knob_h.png" COMP;

    }

    script {

        public hide_timer;

        public hide_timer_cb(val) {

            run_program(PROGRAM:"hide");

            return 0;

        }

        public hide_timer_stop() {

            new id = get_int(hide_timer);

            if (id <= 0)

                return;

            cancel_timer(id);

            set_int(hide_timer, 0);

        }

        public hide_timer_start() {

            set_int(hide_timer, timer(1.0, "hide_timer_cb", 0));

        }

        public message(Msg_Type:type, id, ...) {

            if ((id == 0) && (type == MSG_FLOAT_SET)) {

                new Float:vx, Float:sx;

                vx = getfarg(2);

                sx = getfarg(3);

                if (vx >= 0.0) {

                    set_drag_size(PART:"img.knob", sx, 1.0);

                    set_drag(PART:"img.knob", vx, 0.0);

                    run_program(PROGRAM:"show");

                } else

                    run_program(PROGRAM:"hide");

                hide_timer_stop();

                hide_timer_start();

            }

        }

        public update_drag_pos() {

            new Float:x, Float:y;

            get_drag(PART:"img.knob", x, y);

            send_message(MSG_FLOAT, 1, x);

        }

    }

    parts {

         part {

            name: "rect.base";

            type: RECT;

            description {

               state: "default" 0.0;

               min: 0 10;

               max: 999999 10;

               color: 255 255 255 0;

            }

         }

         part {

            name: "rect.clipper";

            type: RECT;

            description {

               state: "default" 0.0;

               color: 255 255 255 255;

            }

            description {

               state: "hidden" 0.0;

               color: 255 255 255 128;

            }

         }

         part {

            name: "img.scrollbar";

            type: IMAGE;

            mouse_events: 0;

            clip_to: "rect.clipper";

            description {

               state: "default" 0.0;

               image {

                  normal: "widget/scrollbar/scrollbar_h.png";

                  border: 6 6 0 0;

               }

           }

         }

         part {

            name: "img.knob";

            type: IMAGE;

            mouse_events: 1;

            clip_to: "rect.clipper";

            dragable {

                x: 1 1 0;

                y: 0 0 0;

                confine: "rect.base";

            }

            description {

               state: "default" 0.0;

               min: 10 10;

               image {

                  normal: "widget/scrollbar/scrollbar_knob_h.png";

                  border: 6 6 0 0;

               }

            }

         }

    }

    programs {

        program {

           name: "load";

           signal: "load";

           action: STATE_SET "hidden" 0.0;

           target: "rect.clipper";

        }

        program {

           name: "hide";

           action: STATE_SET "hidden" 0.0;

           transition: ACCELERATE 0.5;

           target: "rect.clipper";

        }

        program {

           name: "show";

           action: STATE_SET "default" 0.0;

           target: "rect.clipper";

        }

        program {

           name: "dragged";

           signal: "drag";

           source: "img.knob";

           script {

              update_drag_pos();

           }

        }

    }

}