\hypertarget{external_emotion_elm_8edc-example}{\section{external\+\_\+emotion\+\_\+elm.\+edc}
}
Super-\/concise video player example using Edje/\+Emotion/\+Elementary.


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1 /*
2  Super-concise video player example using Edje/Emotion/Elementary.
3 
4  This is all in Edje by means of type:EXTERNAL, you don't need any C
5  code other than emotion and edje installed with edje\_external
6  support enabled.
7 
8  Compile: edje\_cc     external-emotion-elm.edc
9  Run....: edje\_player external-emotion-elm.edj
10 
11  */
12 collections \{
13    group \{ name: "main";
14       min: 350 200; /* set a min window size */
15 
16       externals \{ /* declare the modules you want to load */
17          external: "emotion"; /* video player engine */
18          external: "elm"; /* toolkit/widgets */
19       \}
20 
21       parts \{
22          part \{ name: "bg"; /* dark gray rectangle as background */
23             type: RECT;
24             description \{ state: "default" 0.0;
25                color: 64 64 64 255;
26             \}
27          \}
28 
29          part \{ name: "video"; /* video object */
30             type: EXTERNAL;
31             source: "emotion";
32             description \{ state: "default" 0.0;
33                params \{
34                   /* explicitly select the emotion engine
35                    * ['xine', 'gstreamer' or 'vlc']
36                    * or comment the line to autoselect the engine */
37                   // choice: "engine" "gstreamer";
38                \}
39             \}
40          \}
41 
42          part \{ name: "title";
43             type: TEXT;
44             effect: SOFT\_SHADOW;
45             description \{ state: "default" 0.0;
46                color: 255 255 255 0;
47                color3: 0 0 0 0;
48                align: 0.5 0.0;
49                rel1 \{
50                   relative: 0.0 0.0;
51                   offset: 10 2;
52                \}
53                rel2 \{
54                   relative: 1.0 0.0;
55                   offset: -11 10;
56                \}
57                text \{
58                   font: "Sans:style=Bold";
59                   align: 0.5 0.0;
60                   size: 10;
61                   min: 0 1;
62                   text: "";
63                \}
64             \}
65             description \{ state: "visible" 0.0;
66                inherit: "default" 0.0;
67                color: 255 255 255 255;
68                color3: 0 0 0 255;
69             \}
70          \}
71 
72          part \{ name: "controls-clipper"; /* clipper to control visibility */
73             type: RECT;
74             description \{ state: "default" 0.0;
75                color: 255 255 255 32;
76             \}
77             description \{ state: "visible" 0.0;
78                color: 255 255 255 255;
79             \}
80          \}
81 
82          part \{ name: "controls-bg"; /* controls background as
83                                         semi-transparent black at bottom edge */
84             type: RECT;
85             clip\_to: "controls-clipper";
86             description \{ state: "default" 0.0;
87                color: 0 0 0 128;
88                rel1 \{
89                   relative: 0.0 1.0;
90                   offset: 0 -40;
91                \}
92                rel2 \{
93                   relative: 1.0 1.0;
94                   offset: -1 -1;
95                \}
96             \}
97          \}
98 
99          part \{ name: "play"; /* play button at bottom-left (relative
100                                 to controls-bg) */
101             type: EXTERNAL;
102             source: "elm/button";
103             clip\_to: "controls-clipper";
104             description \{ state: "default" 0.0;
105                rel1 \{
106                   relative: 0.0 0.0;
107                   offset: 0 0;
108                   to: "controls-bg";
109                \}
110                rel2 \{
111                   relative: 0.0 1.0;
112                   offset: 50 -1;
113                   to: "controls-bg";
114                \}
115                params.string: "icon" "apps";
116             \}
117          \}
118 
119          part \{ name: "open"; /* open file button next to play button */
120             type: EXTERNAL;
121             source: "elm/fileselector\_button";
122             clip\_to: "controls-clipper";
123             description \{ state: "default" 0.0;
124                rel1 \{
125                   relative: 0.0 0.0;
126                   offset: 52 0;
127                   to: "controls-bg";
128                \}
129                rel2 \{
130                   relative: 0.0 1.0;
131                   offset: 102 -1;
132                   to: "controls-bg";
133                \}
134                params.string: "icon" "folder";
135             \}
136          \}
137 
138          part \{ name: "time"; /* time/progress */
139             type: EXTERNAL;
140             source: "elm/slider";
141             clip\_to: "controls-clipper";
142             description \{ state: "default" 0.0;
143                rel1 \{
144                   relative: 0.0 0.0;
145                   offset: 104 0;
146                   to: "controls-bg";
147                \}
148                rel2 \{
149                   relative: 1.0 1.0;
150                   offset: -1 -1;
151                   to: "controls-bg";
152                \}
153             \}
154          \}
155 
156          part \{ name: "controls-eventarea"; /* event area so we catch mouse in
157                                                and out, repeat events so
158                                                buttons get them */
159             type: RECT;
160             repeat\_events: 1;
161             description \{
162                state: "default" 0.0;
163                color: 255 255 255 0; /* fully transparent as we don't
164                                         need any visual feedback */
165                rel1.to: "controls-bg";
166                rel2.to: "controls-bg";
167             \}
168          \}
169 
170          programs \{
171             /* animated 0.2 linear fade in/out if mouse is over controls */
172             program \{ signal: "mouse,in";
173                source: "controls-eventarea";
174                action: STATE\_SET "visible" 0.0;
175                transition: LINEAR 0.2;
176                target: "controls-clipper";
177                target: "title";
178             \}
179             program \{ signal: "mouse,out";
180                source: "controls-eventarea";
181                action: STATE\_SET "default" 0.0;
182                transition: LINEAR 0.2;
183                target: "controls-clipper";
184                target: "title";
185             \}
186 
187             /* toggle video playing state when play is clicked */
188             program \{ name: "toggle-play-video";
189                signal: "clicked";
190                source: "play";
191                script \{
192                   new v = external\_param\_get\_bool(PART:"video", "play");
193                   external\_param\_set\_bool(PART:"video", "play", !v);
194                \}
195             \}
196 
197             /* whenever file is chosen, set and play it */
198             program \{ signal: "file,chosen";
199                source: "open";
200                action: PARAM\_COPY "open" "path" "video" "file";
201                after: "play-video";
202                after: "set-title";
203             \}
204             program \{ name: "play-video";
205                action: PARAM\_SET "video" "play" "1";
206             \}
207             program \{ name: "set-title";
208                action: PARAM\_COPY "open" "path" "title" "text";
209             \}
210 
211             /* if position changes, set slider (time) */
212             program \{ signal: "position\_update";
213                source: "video";
214                script \{
215                   new Float:p, Float:len;
216 
217                   p = external\_param\_get\_float(PART:"video", "position");
218                   len = external\_param\_get\_float(PART:"video", "play\_length");
219                   if (len > 0.0)
220                      external\_param\_set\_float(PART:"time", "value", p / len);
221                \}
222             \}
223 
224             /* if slider (time) changes, set the position (seek) */
225             program \{ signal: "changed";
226                source: "time";
227                script \{
228                   new Float:v, Float:len;
229 
230                   v = external\_param\_get\_float(PART:"time", "value");
231                   len = external\_param\_get\_float(PART:"video", "play\_length");
232                   if (len > 0.0)
233                      external\_param\_set\_float(PART:"video", "position", v * len);
234                \}
235             \}
236          \}
237       \}
238    \}
239 \}
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