/*
 Super-concise video player example using Edje/Emotion/Elementary.

 This is all in Edje by means of type:EXTERNAL, you don't need any C
 code other than emotion and edje installed with edje_external
 support enabled.

 Compile: edje_cc     emotion-elementary-externals.edc
 Run....: edje_player emotion-elementary-externals.edj

 */
collections {
  group { name: "main";

     externals { /* declare the modules you want to load */
        external: "emotion"; /* video player engine */
        external: "elm"; /* toolkit/widgets */
     }

     parts {
        part { name: "bg"; /* dark gray rectangle as background */
           type: RECT;
           description { state: "default" 0.0;
              color: 64 64 64 255;
           }
        }

        part { name: "video"; /* video object */
           type: EXTERNAL;
           source: "emotion";
           description { state: "default" 0.0;
           }
        }

        part { name: "title";
           type: TEXT;
           effect: SOFT_SHADOW;
           description { state: "default" 0.0;
              color: 255 255 255 255;
              color3: 0 0 0 255;
              align: 0.5 0.0;
              fixed: 1 1;
              rel1 {
                 offset: 10 2;
              }
              rel2 {
                 relative: 1.0 0.0;
                 offset: -11 10;
              }
              text {
                 font: "Sans:style=Bold";
                 align: 0.5 0.0;
                 size: 10;
                 min: 0 1;
                 text: "";
              }
           }
        }

        part { name: "controls-clipper"; /* clipper to control visibility */
           type: RECT;
           description { state: "default" 0.0;
              color: 255 255 255 32;
           }
           description { state: "visible" 0.0;
              color: 255 255 255 255;
           }
        }

        part { name: "controls-bg"; /* controls background as
semi-transparent black at bottom edge */
           type: RECT;
           clip_to: "controls-clipper";
           description { state: "default" 0.0;
              color: 0 0 0 128;
              rel1 {
                 relative: 0.0 1.0;
                 offset: 0 -40;
              }
           }
        }

        part { name: "play"; /* play button at bottom-left (relative
to controls-bg) */
           type: EXTERNAL;
           source: "elm/button";
           clip_to: "controls-clipper";
           description { state: "default" 0.0;
              rel1 {
                 to: "controls-bg";
              }
              rel2 {
                 relative: 0.0 1.0;
                 offset: 50 -1;
                 to: "controls-bg";
              }
              params.string: "icon" "apps";
           }
        }

        part { name: "open"; /* open file button next to play button */
           type: EXTERNAL;
           source: "elm/fileselector_button";
           clip_to: "controls-clipper";
           description { state: "default" 0.0;
              rel1 {
                 offset: 52 0;
                 to: "controls-bg";
              }
              rel2 {
                 relative: 0.0 1.0;
                 offset: 102 -1;
                 to: "controls-bg";
              }
              params.string: "icon" "folder";
           }
        }

        part { name: "time"; /* time/progress */
           type: EXTERNAL;
           source: "elm/slider";
           clip_to: "controls-clipper";
           description { state: "default" 0.0;
              rel1 {
                 to: "controls-bg";
                 offset: 104 0;
              }
              rel2 {
                 to: "controls-bg";
              }
           }
        }

        part { name: "controls-eventarea"; /* event area so we catch
mouse in and out, repeat events so buttons get them */
           type: RECT;
           repeat_events: 1;
           description {
              state: "default" 0.0;
              color: 255 255 255 0; /* fully transparent as we don't
need any visual feedback */
              rel1.to: "controls-bg";
              rel2.to: "controls-bg";
           }
        }

        programs {
           /* animated 0.2 linear fade in/out if mouse is over controls */
           program { signal: "mouse,in";
              source: "controls-eventarea";
              action: STATE_SET "visible" 0.0;
              transition: LINEAR 0.2;
              target: "controls-clipper";
           }
           program { signal: "mouse,out";
              source: "controls-eventarea";
              action: STATE_SET "default" 0.0;
              transition: LINEAR 0.2;
              target: "controls-clipper";
           }

           /* toggle video playing state when play is clicked */
           program { name: "toggle-play-video";
              signal: "clicked";
              source: "play";
              script {
                 new v = external_param_get_bool(PART:"video", "play");
                 external_param_set_bool(PART:"video", "play", !v);
              }
           }

           /* whenever file is chosen, set and play it */
           program { signal: "file,chosen";
              source: "open";
              action: PARAM_COPY "open" "path" "video" "file";
              after: "play-video";
              after: "set-title";
           }
           program { name: "play-video";
              action: PARAM_SET "video" "play" "1";
           }
           program { name: "set-title";
              action: PARAM_COPY "open" "path" "title" "text";
           }

           /* if position changes, set slider (time) */
           program { signal: "position_update";
              source: "video";
              script {
                 new Float:p, Float:len;

                 p = external_param_get_float(PART:"video", "position");
                 len = external_param_get_float(PART:"video", "play_length");
                 if (len > 0.0)
                    external_param_set_float(PART:"time", "value", p / len);
              }
           }

           /* if slider (time) changes, set the position (seek) */
           program { signal: "changed";
              source: "time";
              script {
                 new Float:v, Float:len;

                 v = external_param_get_float(PART:"time", "value");
                 len = external_param_get_float(PART:"video", "play_length");
                 if (len > 0.0)
                    external_param_set_float(PART:"video",
"position", v * len);
              }
           }
        }
     }
  }
}