Field.displayNext - Code Metrics - Inspection of "Trigger screen updates more regularly" - jf-guillou/lcds - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( d2f8b5...5961b2 )

by Jeff

created 2017-01-24 08:03 UTC

Field.displayNext A

↳ Parent: Field.displayNext

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
dl	0
loc	3
rs	10
c	1
b	0
f	0
cc	1
nc	1
nop	0

/** global: updateScreenUrl */

/**
 * Screen class constructor
 * @param {string} updateScreenUrl global screen update checks url
 */
function Screen(updateScreenUrl) {
  this.fields = [];
  this.url = updateScreenUrl;
  this.lastChanges = null;
  this.endAt = null;
  this.nextUrl = null;
  this.cache = {};
}

/**
 * Ajax GET on updateScreenUrl to check lastChanges timestamp and reload if necessary
 */
Screen.prototype.checkUpdates = function() {
  var s = this;
  $.get(this.url, function(j) {
    if (j.success) {
      if (s.lastChanges == null) {
        s.lastChanges = j.data.lastChanges;
      } else if (s.lastChanges != j.data.lastChanges) {
        // Remote screen updated, we should reload
        s.reloadIn(0);
        s.nextUrl = null;
        return;
      }

      if (j.data.duration > 0) {
        // Setup next screen
        s.reloadIn(j.data.duration * 1000);
        s.nextUrl = j.data.nextScreenUrl;
      }
    } else if (j.message == 'Unauthorized') {
      screen.reloadIn(0);
    }
  });
}

/**
 * Start Screen reload procedure, checking for every field timeout
 */
Screen.prototype.reloadIn = function(minDuration) {
  var endAt = Date.now() + minDuration;
  if (this.endAt != null && this.endAt < endAt) {
    return;
  }

  if (this.hasPreloadingContent()) {
    // Do not break preloading
    return;
  }

  this.endAt = Date.now() + minDuration;
  for (var i in this.fields) {
    if (!this.fields.hasOwnProperty(i)) {
      continue;
    }
    var f = this.fields[i];
    if (f.timeout && f.endAt > this.endAt) {
      // Always wait for content display end
      this.endAt = f.endAt;
    }
  }

  if (Date.now() >= this.endAt) {
    this.reloadNow();
  }
}

/**
 * Actual Screen reload action
 */
Screen.prototype.reloadNow = function() {
  if (this.nextUrl) {
    window.location = this.nextUrl;
  } else {
    window.location.reload();
  }
}

/**
 * Check every field for content
 * @param  {Content} data 
 * @return {boolean} content is displayed
 */
Screen.prototype.displaysData = function(data) {
  return this.fields.filter(function(field) {
    return field.current && field.current.data == data;
  }).length > 0;
}

/**
 * Search in cache for current preloading content
 * @return {Boolean} has preloading content
 */
Screen.prototype.hasPreloadingContent = function() {
  for (var f in this.fields) {
var someObject;
for (var key in someObject) {
    if ( ! someObject.hasOwnProperty(key)) {
        continue; // Skip keys from the prototype.
    }

    doSomethingWith(key);
}
    for (var c in this.fields[f].contents) {
var someObject;
for (var key in someObject) {
    if ( ! someObject.hasOwnProperty(key)) {
        continue; // Skip keys from the prototype.
    }

    doSomethingWith(key);
}
      if (this.fields[f].contents[c].isPreloading()) {
        return true;
      }
    }
  }

  return false;
}

/**
 * Pick next content to preload from cache queue
 */
Screen.prototype.nextPreloadQueue = function() {
  for (var f in this.fields) {
var someObject;
for (var key in someObject) {
    if ( ! someObject.hasOwnProperty(key)) {
        continue; // Skip keys from the prototype.
    }

    doSomethingWith(key);
}
    for (var c in this.fields[f].contents) {
var someObject;
for (var key in someObject) {
    if ( ! someObject.hasOwnProperty(key)) {
        continue; // Skip keys from the prototype.
    }

    doSomethingWith(key);
}
      if (this.fields[f].contents[c].isInPreloadQueue()) {
        this.fields[f].contents[c].preload();
      }
    }
  }
}


/**
 * Content class constructor
 * @param {array} c content attributes
 */
function Content(c) {
  this.id = c.id;
  this.data = c.data;
  this.duration = c.duration * 1000;
  this.type = c.type;
  this.src = null;

  if (this.shouldPreload()) {
    this.queuePreload();
  }
}

/**
 * Check if content should be ajax preloaded
 * @return {boolean}
 */
Content.prototype.shouldPreload = function() {
  return this.canPreload() && !this.isPreloading() && !this.isPreloaded();
}

/**
 * Check if content has pre-loadable material
 * @return {boolean} 
 */
Content.prototype.canPreload = function() {
  return this.getResource() && this.type.search(/Video|Image|Agenda/) != -1;
}

/**
 * Check if content is displayable (preloaded and not too long)
 * @return {Boolean} can display
 */
Content.prototype.canDisplay = function() {
  return (screen.endAt == null || Date.now() + this.duration < screen.endAt) && this.isPreloaded();
}

/**
 * Extract url from contant data
 * @return {string} resource url
 */
Content.prototype.getResource = function() {
  if (this.src) {
    return this.src;
  }
  var srcMatch = this.data.match(/src="([^"]+)"/);
  if (!srcMatch) {
    return false;
  }
  var src = srcMatch[1];
  if (src.indexOf('/') === 0) {
    src = window.location.origin + src;
  }
  if (src.indexOf('http') !== 0) {
    return false;
  }
  src = src.replace(/#.*/g, '');

  this.src = src;
  return src;
}

/**
 * Set content cache status
 * @param {string} expires header
 */
Content.prototype.setPreloadState = function(expires) {
  if (expires === null || expires == '') {
    expires = Preload.state.NO_EXPIRE_HEADER;
  }

  screen.cache[this.getResource()] = expires < -1 ? expires : Preload.state.OK
}

/**
 * Check cache for preload status of content
 * @return {Boolean} 
 */
Content.prototype.isPreloaded = function() {
  if (!this.canPreload()) {
    return true;
  }

  var state = screen.cache[this.getResource()];

  return state === Preload.state.OK || state === Preload.state.NO_EXPIRE_HEADER;
}

/**
 * Check cache for in progress preloading
 * @return {Boolean} is preloading
 */
Content.prototype.isPreloading = function() {
  return screen.cache[this.getResource()] === Preload.state.PRELOADING;
}

/**
 * Check cache for queued preloading
 * @return {Boolean} is in preload queue
 */
Content.prototype.isInPreloadQueue = function() {
  return screen.cache[this.getResource()] === Preload.state.PRELOADING_QUEUE;
}

/**
 * Ajax call to preload content
 */
Content.prototype.preload = function() {
  var src = this.getResource();
  if (!src) {
    return;
  }

  this.setPreloadState(Preload.state.PRELOADING);

  var c = this;
  $.ajax(src).done(function(data, textStatus, jqXHR) {
    c.setPreloadState(jqXHR.getResponseHeader('Expires'));
  }).fail(function() {
    c.setPreloadState(Preload.state.HTTP_FAIL);
  }).always(function() {
    screen.nextPreloadQueue();
  });
}

/**
 * Preload content or add to preload queue
 */
Content.prototype.queuePreload = function() {
  var src = this.getResource();
  if (!src) {
    return;
  }

  if (screen.hasPreloadingContent()) {
    this.setPreloadState(Preload.state.PRELOADING_QUEUE);
  } else {
    this.preload();
  }
}


/**
 * Preload class constructor
 * Mostly used to store constants
 */
function Preload() {}

/**
 * Preload states
 */
Preload.state = {
  PRELOADING: -2,
  PRELOADING_QUEUE: -3,
  HTTP_FAIL: -4,
  NO_EXPIRE_HEADER: -5,
  OK: -6,
}


/**
 * Field class constructor
 * @param {jQuery.Object} $f field object
 */
function Field($f) {
  this.$field = $f;
  this.id = $f.attr('data-id');
  this.url = $f.attr('data-url');
  this.types = $f.attr('data-types').split(' ');
  this.canUpdate = this.url != null;
  this.contents = [];
  this.previous = null;
  this.current = null;
  this.next = null;
  this.timeout = null;
  this.endAt = null;
}

/**
 * Retrieves contents from backend for this field
 */
Field.prototype.fetchContents = function() {
  if (!this.canUpdate) {
    return;
  }

  var f = this;
  $.get(this.url, function(j) {
    if (j.success) {
      f.contents = j.next.map(function(c) {
        return new Content(c);
      });
      if (!f.timeout && f.contents.length) {
        f.pickNext();
      }
    } else {
      f.setError(j.message || 'Error');
    }
  });
}

/**
 * Display error in field text
 */
Field.prototype.setError = function(err) {
  this.display(err);
}

/**
 * Randomize order
 */
Field.prototype.randomizeSortContents = function() {
  this.contents = this.contents.sort(function() {
    return Math.random() - 0.5;
  });
}

/**
 * Loop through field contents to pick next displayable content
 */
Field.prototype.pickNext = function() {
  if (screen.endAt != null && Date.now() >= screen.endAt) { // Stoping screen
    screen.reloadNow();
    return;
  }

  var f = this;
  this.previous = this.current;
  this.current = null;
  var pData = this.previous && this.previous.data;
  // Avoid repeat & other field same content
  this.randomizeSortContents();
  for (var i = 0; i < this.contents.length; i++) {
    var c = this.contents[i];
    // Skip too long or not preloaded content 
    if (!c.canDisplay()) {
      continue;
    }

    if (c.data == pData) {
      // Will repeat, avoid if enough content
      if (this.contents.length < 2) {
        this.next = c;
        break;
      }
      continue;
    }

    if (screen.displaysData(c.data)) {
      // Same content already displayed on other field, avoid if enough content
      if (this.contents.length < 3) {
        this.next = c;
        break;
      }
      continue;
    }

    this.next = c;
    break
  }

  if (this.next) {
    this.displayNext();
  } else {
    setTimeout(function() {
      f.pickNext();
    }, 200);
  }
}

/**
 * Setup next content for field and display it
 */
Field.prototype.displayNext = function() {
  var f = this;
  if (this.next && this.next.duration > 0) {
    this.current = this.next
    this.next = null;
    this.display(this.current.data);
    if (this.timeout) {
      clearTimeout(this.timeout);
    }
    this.endAt = Date.now() + this.current.duration;
    this.timeout = setTimeout(function() {
      f.pickNext();
    }, this.current.duration);
  }
}

/**
 * Display data in field HTML
 * @param  {string} data 
 */
Field.prototype.display = function(data) {
  this.$field.html(data);
  this.$field.show();
  if (this.$field.text() != '') {
    this.$field.textfill({
      maxFontPixels: 0,
    });
  }
}

// Global screen instance
var screen = null;

/**
 * jQuery.load event
 * Initialize Screen and Fields
 * Setup updates interval timeouts
 */
function onLoad() {
  screen = new Screen(updateScreenUrl);
  // Init
  $('.field').each(function() {
    var f = new Field($(this));
    f.fetchContents();
    screen.fields.push(f);
  });

  if (screen.url) {
    // Setup content updates loop
    setInterval(function() {
      for (var f in screen.fields) {
        if (screen.fields.hasOwnProperty(f)) {
          screen.fields[f].fetchContents();
        }
      }
      screen.checkUpdates();
    }, 30000);
    screen.checkUpdates();
  }
}

// Run
$(onLoad);


1			/** global: updateScreenUrl */
2
3			/**
4			* Screen class constructor
5			* @param {string} updateScreenUrl global screen update checks url
6			*/
7			function Screen(updateScreenUrl) {
8			this.fields = [];
9			this.url = updateScreenUrl;
10			this.lastChanges = null;
11			this.endAt = null;
12			this.nextUrl = null;
13			this.cache = {};
14			}
15
16			/**
17			* Ajax GET on updateScreenUrl to check lastChanges timestamp and reload if necessary
18			*/
19			Screen.prototype.checkUpdates = function() {
20			var s = this;
21			$.get(this.url, function(j) {
22			if (j.success) {
23			if (s.lastChanges == null) {
24			s.lastChanges = j.data.lastChanges;
25			} else if (s.lastChanges != j.data.lastChanges) {
26			// Remote screen updated, we should reload
27			s.reloadIn(0);
28			s.nextUrl = null;
29			return;
30			}
31
32			if (j.data.duration > 0) {
33			// Setup next screen
34			s.reloadIn(j.data.duration * 1000);
35			s.nextUrl = j.data.nextScreenUrl;
36			}
37			} else if (j.message == 'Unauthorized') {
38			screen.reloadIn(0);
39			}
40			});
41			}
42
43			/**
44			* Start Screen reload procedure, checking for every field timeout
45			*/
46			Screen.prototype.reloadIn = function(minDuration) {
47			var endAt = Date.now() + minDuration;
48			if (this.endAt != null && this.endAt < endAt) {
49			return;
50			}
51
52			if (this.hasPreloadingContent()) {
53			// Do not break preloading
54			return;
55			}
56
57			this.endAt = Date.now() + minDuration;
58			for (var i in this.fields) {
59			if (!this.fields.hasOwnProperty(i)) {
60			continue;
61			}
62			var f = this.fields[i];
63			if (f.timeout && f.endAt > this.endAt) {
64			// Always wait for content display end
65			this.endAt = f.endAt;
66			}
67			}
68
69			if (Date.now() >= this.endAt) {
70			this.reloadNow();
71			}
72			}
73
74			/**
75			* Actual Screen reload action
76			*/
77			Screen.prototype.reloadNow = function() {
78			if (this.nextUrl) {
79			window.location = this.nextUrl;
80			} else {
81			window.location.reload();
82			}
83			}
84
85			/**
86			* Check every field for content
87			* @param {Content} data
88			* @return {boolean} content is displayed
89			*/
90			Screen.prototype.displaysData = function(data) {
91			return this.fields.filter(function(field) {
92			return field.current && field.current.data == data;
93			}).length > 0;
94			}
95
96			/**
97			* Search in cache for current preloading content
98			* @return {Boolean} has preloading content
99			*/
100			Screen.prototype.hasPreloadingContent = function() {
101			for (var f in this.fields) {
			0 ignored issues – show Complexity introduced 2017-01-24 08:05 UTC by Report Bug Copy Issue Report A for in loop automatically includes the property of any prototype object, consider checking the key using `hasOwnProperty`. When iterating over the keys of an object, this includes not only the keys of the object, but also keys contained in the prototype of that object. It is generally a best practice to check for these keys specifically: var someObject; for (var key in someObject) { if ( ! someObject.hasOwnProperty(key)) { continue; // Skip keys from the prototype. } doSomethingWith(key); } Loading history...
102			for (var c in this.fields[f].contents) {
			0 ignored issues – show Complexity introduced 2017-01-24 08:05 UTC by Report Bug Copy Issue Report A for in loop automatically includes the property of any prototype object, consider checking the key using `hasOwnProperty`. When iterating over the keys of an object, this includes not only the keys of the object, but also keys contained in the prototype of that object. It is generally a best practice to check for these keys specifically: var someObject; for (var key in someObject) { if ( ! someObject.hasOwnProperty(key)) { continue; // Skip keys from the prototype. } doSomethingWith(key); } Loading history...
103			if (this.fields[f].contents[c].isPreloading()) {
104			return true;
105			}
106			}
107			}
108
109			return false;
110			}
111
112			/**
113			* Pick next content to preload from cache queue
114			*/
115			Screen.prototype.nextPreloadQueue = function() {
116			for (var f in this.fields) {
			0 ignored issues – show Complexity introduced 2017-01-24 08:05 UTC by Report Bug Copy Issue Report A for in loop automatically includes the property of any prototype object, consider checking the key using `hasOwnProperty`. When iterating over the keys of an object, this includes not only the keys of the object, but also keys contained in the prototype of that object. It is generally a best practice to check for these keys specifically: var someObject; for (var key in someObject) { if ( ! someObject.hasOwnProperty(key)) { continue; // Skip keys from the prototype. } doSomethingWith(key); } Loading history...
117			for (var c in this.fields[f].contents) {
			0 ignored issues – show Complexity introduced 2017-01-24 08:05 UTC by Report Bug Copy Issue Report A for in loop automatically includes the property of any prototype object, consider checking the key using `hasOwnProperty`. When iterating over the keys of an object, this includes not only the keys of the object, but also keys contained in the prototype of that object. It is generally a best practice to check for these keys specifically: var someObject; for (var key in someObject) { if ( ! someObject.hasOwnProperty(key)) { continue; // Skip keys from the prototype. } doSomethingWith(key); } Loading history...
118			if (this.fields[f].contents[c].isInPreloadQueue()) {
119			this.fields[f].contents[c].preload();
120			}
121			}
122			}
123			}
124
125
126			/**
127			* Content class constructor
128			* @param {array} c content attributes
129			*/
130			function Content(c) {
131			this.id = c.id;
132			this.data = c.data;
133			this.duration = c.duration * 1000;
134			this.type = c.type;
135			this.src = null;
136
137			if (this.shouldPreload()) {
138			this.queuePreload();
139			}
140			}
141
142			/**
143			* Check if content should be ajax preloaded
144			* @return {boolean}
145			*/
146			Content.prototype.shouldPreload = function() {
147			return this.canPreload() && !this.isPreloading() && !this.isPreloaded();
148			}
149
150			/**
151			* Check if content has pre-loadable material
152			* @return {boolean}
153			*/
154			Content.prototype.canPreload = function() {
155			return this.getResource() && this.type.search(/Video\|Image\|Agenda/) != -1;
156			}
157
158			/**
159			* Check if content is displayable (preloaded and not too long)
160			* @return {Boolean} can display
161			*/
162			Content.prototype.canDisplay = function() {
163			return (screen.endAt == null \|\| Date.now() + this.duration < screen.endAt) && this.isPreloaded();
164			}
165
166			/**
167			* Extract url from contant data
168			* @return {string} resource url
169			*/
170			Content.prototype.getResource = function() {
171			if (this.src) {
172			return this.src;
173			}
174			var srcMatch = this.data.match(/src="([^"]+)"/);
175			if (!srcMatch) {
176			return false;
177			}
178			var src = srcMatch[1];
179			if (src.indexOf('/') === 0) {
180			src = window.location.origin + src;
181			}
182			if (src.indexOf('http') !== 0) {
183			return false;
184			}
185			src = src.replace(/#.*/g, '');
186
187			this.src = src;
188			return src;
189			}
190
191			/**
192			* Set content cache status
193			* @param {string} expires header
194			*/
195			Content.prototype.setPreloadState = function(expires) {
196			if (expires === null \|\| expires == '') {
197			expires = Preload.state.NO_EXPIRE_HEADER;
198			}
199
200			screen.cache[this.getResource()] = expires < -1 ? expires : Preload.state.OK
201			}
202
203			/**
204			* Check cache for preload status of content
205			* @return {Boolean}
206			*/
207			Content.prototype.isPreloaded = function() {
208			if (!this.canPreload()) {
209			return true;
210			}
211
212			var state = screen.cache[this.getResource()];
213
214			return state === Preload.state.OK \|\| state === Preload.state.NO_EXPIRE_HEADER;
215			}
216
217			/**
218			* Check cache for in progress preloading
219			* @return {Boolean} is preloading
220			*/
221			Content.prototype.isPreloading = function() {
222			return screen.cache[this.getResource()] === Preload.state.PRELOADING;
223			}
224
225			/**
226			* Check cache for queued preloading
227			* @return {Boolean} is in preload queue
228			*/
229			Content.prototype.isInPreloadQueue = function() {
230			return screen.cache[this.getResource()] === Preload.state.PRELOADING_QUEUE;
231			}
232
233			/**
234			* Ajax call to preload content
235			*/
236			Content.prototype.preload = function() {
237			var src = this.getResource();
238			if (!src) {
239			return;
240			}
241
242			this.setPreloadState(Preload.state.PRELOADING);
243
244			var c = this;
245			$.ajax(src).done(function(data, textStatus, jqXHR) {
246			c.setPreloadState(jqXHR.getResponseHeader('Expires'));
247			}).fail(function() {
248			c.setPreloadState(Preload.state.HTTP_FAIL);
249			}).always(function() {
250			screen.nextPreloadQueue();
251			});
252			}
253
254			/**
255			* Preload content or add to preload queue
256			*/
257			Content.prototype.queuePreload = function() {
258			var src = this.getResource();
259			if (!src) {
260			return;
261			}
262
263			if (screen.hasPreloadingContent()) {
264			this.setPreloadState(Preload.state.PRELOADING_QUEUE);
265			} else {
266			this.preload();
267			}
268			}
269
270
271			/**
272			* Preload class constructor
273			* Mostly used to store constants
274			*/
275			function Preload() {}
276
277			/**
278			* Preload states
279			*/
280			Preload.state = {
281			PRELOADING: -2,
282			PRELOADING_QUEUE: -3,
283			HTTP_FAIL: -4,
284			NO_EXPIRE_HEADER: -5,
285			OK: -6,
286			}
287
288
289			/**
290			* Field class constructor
291			* @param {jQuery.Object} $f field object
292			*/
293			function Field($f) {
294			this.$field = $f;
295			this.id = $f.attr('data-id');
296			this.url = $f.attr('data-url');
297			this.types = $f.attr('data-types').split(' ');
298			this.canUpdate = this.url != null;
299			this.contents = [];
300			this.previous = null;
301			this.current = null;
302			this.next = null;
303			this.timeout = null;
304			this.endAt = null;
305			}
306
307			/**
308			* Retrieves contents from backend for this field
309			*/
310			Field.prototype.fetchContents = function() {
311			if (!this.canUpdate) {
312			return;
313			}
314
315			var f = this;
316			$.get(this.url, function(j) {
317			if (j.success) {
318			f.contents = j.next.map(function(c) {
319			return new Content(c);
320			});
321			if (!f.timeout && f.contents.length) {
322			f.pickNext();
323			}
324			} else {
325			f.setError(j.message \|\| 'Error');
326			}
327			});
328			}
329
330			/**
331			* Display error in field text
332			*/
333			Field.prototype.setError = function(err) {
334			this.display(err);
335			}
336
337			/**
338			* Randomize order
339			*/
340			Field.prototype.randomizeSortContents = function() {
341			this.contents = this.contents.sort(function() {
342			return Math.random() - 0.5;
343			});
344			}
345
346			/**
347			* Loop through field contents to pick next displayable content
348			*/
349			Field.prototype.pickNext = function() {
350			if (screen.endAt != null && Date.now() >= screen.endAt) { // Stoping screen
351			screen.reloadNow();
352			return;
353			}
354
355			var f = this;
356			this.previous = this.current;
357			this.current = null;
358			var pData = this.previous && this.previous.data;
359			// Avoid repeat & other field same content
360			this.randomizeSortContents();
361			for (var i = 0; i < this.contents.length; i++) {
362			var c = this.contents[i];
363			// Skip too long or not preloaded content
364			if (!c.canDisplay()) {
365			continue;
366			}
367
368			if (c.data == pData) {
369			// Will repeat, avoid if enough content
370			if (this.contents.length < 2) {
371			this.next = c;
372			break;
373			}
374			continue;
375			}
376
377			if (screen.displaysData(c.data)) {
378			// Same content already displayed on other field, avoid if enough content
379			if (this.contents.length < 3) {
380			this.next = c;
381			break;
382			}
383			continue;
384			}
385
386			this.next = c;
387			break
388			}
389
390			if (this.next) {
391			this.displayNext();
392			} else {
393			setTimeout(function() {
394			f.pickNext();
395			}, 200);
396			}
397			}
398
399			/**
400			* Setup next content for field and display it
401			*/
402			Field.prototype.displayNext = function() {
403			var f = this;
404			if (this.next && this.next.duration > 0) {
405			this.current = this.next
406			this.next = null;
407			this.display(this.current.data);
408			if (this.timeout) {
409			clearTimeout(this.timeout);
410			}
411			this.endAt = Date.now() + this.current.duration;
412			this.timeout = setTimeout(function() {
413			f.pickNext();
414			}, this.current.duration);
415			}
416			}
417
418			/**
419			* Display data in field HTML
420			* @param {string} data
421			*/
422			Field.prototype.display = function(data) {
423			this.$field.html(data);
424			this.$field.show();
425			if (this.$field.text() != '') {
426			this.$field.textfill({
427			maxFontPixels: 0,
428			});
429			}
430			}
431
432			// Global screen instance
433			var screen = null;
434
435			/**
436			* jQuery.load event
437			* Initialize Screen and Fields
438			* Setup updates interval timeouts
439			*/
440			function onLoad() {
441			screen = new Screen(updateScreenUrl);
442			// Init
443			$('.field').each(function() {
444			var f = new Field($(this));
445			f.fetchContents();
446			screen.fields.push(f);
447			});
448
449			if (screen.url) {
450			// Setup content updates loop
451			setInterval(function() {
452			for (var f in screen.fields) {
453			if (screen.fields.hasOwnProperty(f)) {
454			screen.fields[f].fetchContents();
455			}
456			}
457			screen.checkUpdates();
458			}, 30000);
459			screen.checkUpdates();
460			}
461			}
462
463			// Run
464			$(onLoad);
465

jf-guillou / lcds

Push — master ( d2f8b5...5961b2 )

Field.displayNext A

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