-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathbootstrap.js
2026 lines (1751 loc) · 70.4 KB
/
bootstrap.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
var Ext = Ext || {};
Ext.manifest = Ext.manifest || "bootstrap.json";
// @tag core
// @define Ext.Boot
var Ext = Ext || {};
//<editor-fold desc="Boot">
/**
* @class Ext.Boot
* @singleton
* @private
*/
Ext.Boot = Ext.Boot || (function (emptyFn) {
var doc = document,
_emptyArray = [],
_config = {
/**
* @cfg {Boolean} [disableCaching=true]
* If `true` current timestamp is added to script URL's to prevent caching.
* In debug builds, adding a "cache" or "disableCacheBuster" query parameter
* to the page's URL will set this to `false`.
*/
disableCaching: (/[?&](?:cache|disableCacheBuster)\b/i.test(location.search) ||
!(/http[s]?\:/i.test(location.href)) ||
/(^|[ ;])ext-cache=1/.test(doc.cookie)) ? false :
true,
/**
* @cfg {String} [disableCachingParam="_dc"]
* The query parameter name for the cache buster's timestamp.
*/
disableCachingParam: '_dc',
/**
* @cfg {Boolean} loadDelay
* Millisecond delay between asynchronous script injection (prevents stack
* overflow on some user agents) 'false' disables delay but potentially
* increases stack load.
*/
loadDelay: false,
/**
* @cfg {Boolean} preserveScripts
* `false` to remove asynchronously loaded scripts, `true` to retain script
* element for browser debugger compatibility and improved load performance.
*/
preserveScripts: true,
/**
* @cfg {String} [charset=UTF-8]
* Optional charset to specify encoding of dynamic content.
*/
charset: 'UTF-8'
},
_assetConfig= {},
cssRe = /\.css(?:\?|$)/i,
resolverEl = doc.createElement('a'),
isBrowser = typeof window !== 'undefined',
_environment = {
browser: isBrowser,
node: !isBrowser && (typeof require === 'function'),
phantom: (window && (window._phantom || window.callPhantom)) || /PhantomJS/.test(window.navigator.userAgent)
},
_tags = (Ext.platformTags = {}),
// All calls to _debug are commented out to speed up old browsers a bit;
// yes that makes a difference because the cost of concatenating strings
// and passing them into _debug() adds up pretty quickly.
_debug = function (message) {
//console.log(message);
},
_apply = function (object, config, defaults) {
if (defaults) {
_apply(object, defaults);
}
if (object && config && typeof config === 'object') {
for (var i in config) {
object[i] = config[i];
}
}
return object;
},
_merge = function() {
var lowerCase = false,
obj = Array.prototype.shift.call(arguments),
index, i, len, value;
if (typeof arguments[arguments.length - 1] === 'boolean') {
lowerCase = Array.prototype.pop.call(arguments);
}
len = arguments.length;
for (index = 0; index < len; index++) {
value = arguments[index];
if (typeof value === 'object') {
for (i in value) {
obj[lowerCase ? i.toLowerCase() : i] = value[i];
}
}
}
return obj;
},
_getKeys = (typeof Object.keys == 'function') ?
function(object){
if (!object) {
return [];
}
return Object.keys(object);
} :
function(object) {
var keys = [],
property;
for (property in object) {
if (object.hasOwnProperty(property)) {
keys.push(property);
}
}
return keys;
},
/*
* The Boot loader class manages Request objects that contain one or
* more individual urls that need to be loaded. Requests can be performed
* synchronously or asynchronously, but will always evaluate urls in the
* order specified on the request object.
*/
Boot = {
loading: 0,
loaded: 0,
apply: _apply,
env: _environment,
config: _config,
/**
* @cfg {Object} assetConfig
* A map (url->assetConfig) that contains information about assets loaded by the Microlaoder.
*/
assetConfig: _assetConfig,
// Keyed by absolute URL this object holds "true" if that URL is already loaded
// or an array of callbacks to call once it loads.
scripts: {
/*
Entry objects
'http://foo.com/bar/baz/Thing.js': {
done: true,
el: scriptEl || linkEl,
preserve: true,
requests: [ request1, ... ]
}
*/
},
/**
* contains the current script name being loaded
* (loadSync or sequential load only)
*/
currentFile: null,
suspendedQueue: [],
currentRequest: null,
// when loadSync is called, need to cause subsequent load requests to also be loadSync,
// eg, when Ext.require(...) is called
syncMode: false,
/*
* simple helper method for debugging
*/
debug: _debug,
/**
* enables / disables loading scripts via script / link elements rather
* than using ajax / eval
*/
useElements: true,
listeners: [],
Request: Request,
Entry: Entry,
allowMultipleBrowsers: false,
browserNames: {
ie: 'IE',
firefox: 'Firefox',
safari: 'Safari',
chrome: 'Chrome',
opera: 'Opera',
dolfin: 'Dolfin',
edge: 'Edge',
webosbrowser: 'webOSBrowser',
chromeMobile: 'ChromeMobile',
chromeiOS: 'ChromeiOS',
silk: 'Silk',
other: 'Other'
},
osNames: {
ios: 'iOS',
android: 'Android',
windowsPhone: 'WindowsPhone',
webos: 'webOS',
blackberry: 'BlackBerry',
rimTablet: 'RIMTablet',
mac: 'MacOS',
win: 'Windows',
tizen: 'Tizen',
linux: 'Linux',
bada: 'Bada',
chromeOS: 'ChromeOS',
other: 'Other'
},
browserPrefixes: {
ie: 'MSIE ',
edge: 'Edge/',
firefox: 'Firefox/',
chrome: 'Chrome/',
safari: 'Version/',
opera: 'OPR/',
dolfin: 'Dolfin/',
webosbrowser: 'wOSBrowser/',
chromeMobile: 'CrMo/',
chromeiOS: 'CriOS/',
silk: 'Silk/'
},
// When a UA reports multiple browsers this list is used to prioritize the 'real' browser
// lower index number will win
browserPriority: [
'edge',
'opera',
'dolfin',
'webosbrowser',
'silk',
'chromeiOS',
'chromeMobile',
'ie',
'firefox',
'safari',
'chrome'
],
osPrefixes: {
tizen: '(Tizen )',
ios: 'i(?:Pad|Phone|Pod)(?:.*)CPU(?: iPhone)? OS ',
android: '(Android |HTC_|Silk/)', // Some HTC devices ship with an OSX userAgent by default,
// so we need to add a direct check for HTC_
windowsPhone: 'Windows Phone ',
blackberry: '(?:BlackBerry|BB)(?:.*)Version\/',
rimTablet: 'RIM Tablet OS ',
webos: '(?:webOS|hpwOS)\/',
bada: 'Bada\/',
chromeOS: 'CrOS '
},
fallbackOSPrefixes: {
windows: 'win',
mac: 'mac',
linux: 'linux'
},
devicePrefixes: {
iPhone: 'iPhone',
iPod: 'iPod',
iPad: 'iPad'
},
maxIEVersion: 12,
/**
* The default function that detects various platforms and sets tags
* in the platform map accordingly. Examples are iOS, android, tablet, etc.
* @param tags the set of tags to populate
*/
detectPlatformTags: function () {
var me = this,
ua = navigator.userAgent,
isMobile = /Mobile(\/|\s)/.test(ua),
element = document.createElement('div'),
isEventSupported = function (name, tag) {
if (tag === undefined) {
tag = window;
}
var eventName = 'on' + name.toLowerCase(),
isSupported = (eventName in element);
if (!isSupported) {
if (element.setAttribute && element.removeAttribute) {
element.setAttribute(eventName, '');
isSupported = typeof element[eventName] === 'function';
if (typeof element[eventName] !== 'undefined') {
element[eventName] = undefined;
}
element.removeAttribute(eventName);
}
}
return isSupported;
},
// Browser Detection
getBrowsers = function () {
var browsers = {},
maxIEVersion, prefix,
value, key, index, len, match, version, matched;
// MS Edge browser (and possibly others) can report multiple browsers in the UserAgent
// "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.10240"
// we use this to prioritize the actual browser in this situation
len = me.browserPriority.length;
for (index = 0; index < len; index++) {
key = me.browserPriority[index];
if (!matched) {
value = me.browserPrefixes[key];
match = ua.match(new RegExp('(' + value + ')([\\w\\._]+)'));
version = match && match.length > 1 ? parseInt(match[2]) : 0;
if (version) {
matched = true;
}
} else {
version = 0;
}
browsers[key] = version;
}
//Deal with IE document mode
if (browsers.ie) {
var mode = document.documentMode;
if (mode >= 8) {
browsers.ie = mode;
}
}
// Fancy IE greater than and less then quick tags
version = browsers.ie || false;
maxIEVersion = Math.max(version, me.maxIEVersion);
for (index = 8; index <= maxIEVersion; ++index) {
prefix = 'ie' + index;
browsers[prefix + 'm'] = version ? version <= index : 0;
browsers[prefix] = version ? version === index : 0;
browsers[prefix + 'p'] = version ? version >= index : 0;
}
return browsers;
},
//OS Detection
getOperatingSystems = function () {
var systems = {},
value, key, keys, index, len, match, matched, version, activeCount;
keys = _getKeys(me.osPrefixes);
len = keys.length;
for (index = 0, activeCount = 0; index < len; index++) {
key = keys[index];
value = me.osPrefixes[key];
match = ua.match(new RegExp('(' + value + ')([^\\s;]+)'));
matched = match ? match[1] : null;
// This is here because some HTC android devices show an OSX Snow Leopard userAgent by default.
// And the Kindle Fire doesn't have any indicator of Android as the OS in its User Agent
if (matched && (matched === 'HTC_' || matched === 'Silk/')) {
version = 2.3;
} else {
version = match && match.length > 1 ? parseFloat(match[match.length - 1]) : 0;
}
if (version) {
activeCount++;
}
systems[key] = version;
}
keys = _getKeys(me.fallbackOSPrefixes);
// If no OS could be found we resort to the fallbacks, otherwise we just
// falsify the fallbacks
len = keys.length;
for (index = 0; index < len; index++) {
key = keys[index];
// No OS was detected from osPrefixes
if (activeCount === 0) {
value = me.fallbackOSPrefixes[key];
match = ua.toLowerCase().match(new RegExp(value));
systems[key] = match ? true : 0;
} else {
systems[key] = 0;
}
}
return systems;
},
// Device Detection
getDevices = function () {
var devices = {},
value, key, keys, index, len, match;
keys = _getKeys(me.devicePrefixes);
len = keys.length;
for (index = 0; index < len; index++) {
key = keys[index];
value = me.devicePrefixes[key];
match = ua.match(new RegExp(value));
devices[key] = match ? true : 0;
}
return devices;
},
browsers = getBrowsers(),
systems = getOperatingSystems(),
devices = getDevices(),
platformParams = Boot.loadPlatformsParam();
// We apply platformParams from the query here first to allow for forced user valued
// to be used in calculation of generated tags
_merge(_tags, browsers, systems, devices, platformParams, true);
_tags.phone = !!((_tags.iphone || _tags.ipod) ||
(!_tags.silk && (_tags.android && (_tags.android < 3 || isMobile))) ||
(_tags.blackberry && isMobile) ||
(_tags.windowsphone));
_tags.tablet = !!(!_tags.phone && (
_tags.ipad ||
_tags.android ||
_tags.silk ||
_tags.rimtablet ||
(_tags.ie10 && /; Touch/.test(ua))
));
_tags.touch =
// if the browser has touch events we can be reasonably sure the device has
// a touch screen
isEventSupported('touchend') ||
// browsers that use pointer event have maxTouchPoints > 0 if the
// device supports touch input
// http://www.w3.org/TR/pointerevents/#widl-Navigator-maxTouchPoints
navigator.maxTouchPoints ||
// IE10 uses a vendor-prefixed maxTouchPoints property
navigator.msMaxTouchPoints;
_tags.desktop = !_tags.phone && !_tags.tablet;
_tags.cordova = _tags.phonegap = !!(window.PhoneGap || window.Cordova || window.cordova);
_tags.webview = /(iPhone|iPod|iPad).*AppleWebKit(?!.*Safari)(?!.*FBAN)/i.test(ua);
_tags.androidstock = (_tags.android <= 4.3) && (_tags.safari || _tags.silk);
// Re-apply any query params here to allow for user override of generated tags (desktop, touch, tablet, etc)
_merge(_tags, platformParams, true);
},
/**
* Extracts user supplied platform tags from the "platformTags" query parameter
* of the form:
*
* ?platformTags=name:state,name:state,...
*
* (each tag defaults to true when state is unspecified)
*
* Example:
*
* ?platformTags=isTablet,isPhone:false,isDesktop:0,iOS:1,Safari:true, ...
*
* @returns {Object} the platform tags supplied by the query string
*/
loadPlatformsParam: function () {
// Check if the ?platform parameter is set in the URL
var paramsString = window.location.search.substr(1),
paramsArray = paramsString.split("&"),
params = {}, i,
platforms = {},
tmpArray, tmplen, platform, name, enabled;
for (i = 0; i < paramsArray.length; i++) {
tmpArray = paramsArray[i].split("=");
params[tmpArray[0]] = tmpArray[1];
}
if (params.platformTags) {
tmpArray = params.platformTags.split(",");
for (tmplen = tmpArray.length, i = 0; i < tmplen; i++) {
platform = tmpArray[i].split(":");
name = platform[0];
enabled=true;
if (platform.length > 1) {
enabled = platform[1];
if (enabled === 'false' || enabled === '0') {
enabled = false;
}
}
platforms[name] = enabled;
}
}
return platforms;
},
filterPlatform: function (platform, excludes) {
platform = _emptyArray.concat(platform || _emptyArray);
excludes = _emptyArray.concat(excludes || _emptyArray);
var plen = platform.length,
elen = excludes.length,
include = (!plen && elen), // default true if only excludes specified
i, tag;
for (i = 0; i < plen && !include; i++) {
tag = platform[i];
include = !!_tags[tag];
}
for (i = 0; i < elen && include; i++) {
tag = excludes[i];
include = !_tags[tag];
}
return include;
},
init: function () {
var scriptEls = doc.getElementsByTagName('script'),
script = scriptEls[0],
len = scriptEls.length,
re = /\/ext(\-[a-z\-]+)?\.js$/,
entry, src, state, baseUrl, key, n, origin;
// No check for script definedness because there always should be at least one
Boot.hasReadyState = ("readyState" in script);
Boot.hasAsync = ("async" in script);
Boot.hasDefer = ("defer" in script);
Boot.hasOnLoad = ("onload" in script);
// Feature detecting IE
Boot.isIE8 = Boot.hasReadyState && !Boot.hasAsync && Boot.hasDefer && !Boot.hasOnLoad;
Boot.isIE9 = Boot.hasReadyState && !Boot.hasAsync && Boot.hasDefer && Boot.hasOnLoad;
Boot.isIE10p = Boot.hasReadyState && Boot.hasAsync && Boot.hasDefer && Boot.hasOnLoad;
Boot.isIE10 = (new Function('/*@cc_on return @_jscript_version @*/')()) === 10;
Boot.isIE10m = Boot.isIE10 || Boot.isIE9 || Boot.isIE8;
// IE11 does not support conditional compilation so we detect it by exclusion
Boot.isIE11 = Boot.isIE10p && !Boot.isIE10;
// Since we are loading after other scripts, and we needed to gather them
// anyway, we track them in _scripts so we don't have to ask for them all
// repeatedly.
for (n = 0; n < len; n++) {
src = (script = scriptEls[n]).src;
if (!src) {
continue;
}
state = script.readyState || null;
// If we find a script file called "ext-*.js", then the base path is that file's base path.
if (!baseUrl && re.test(src)) {
baseUrl = src;
}
if (!Boot.scripts[key = Boot.canonicalUrl(src)]) {
// _debug("creating entry " + key + " in Boot.init");
entry = new Entry({
key: key,
url: src,
done: state === null || // non-IE
state === 'loaded' || state === 'complete', // IE only
el: script,
prop: 'src'
});
}
}
if (!baseUrl) {
script = scriptEls[scriptEls.length - 1];
baseUrl = script.src;
}
Boot.baseUrl = baseUrl.substring(0, baseUrl.lastIndexOf('/') + 1);
origin = window.location.origin ||
window.location.protocol +
"//" +
window.location.hostname +
(window.location.port ? ':' + window.location.port: '');
Boot.origin = origin;
Boot.detectPlatformTags();
Ext.filterPlatform = Boot.filterPlatform;
},
/**
* This method returns a canonical URL for the given URL.
*
* For example, the following all produce the same canonical URL (which is the
* last one):
*
* http://foo.com/bar/baz/zoo/derp/../../goo/Thing.js?_dc=12345
* http://foo.com/bar/baz/zoo/derp/../../goo/Thing.js
* http://foo.com/bar/baz/zoo/derp/../jazz/../../goo/Thing.js
* http://foo.com/bar/baz/zoo/../goo/Thing.js
* http://foo.com/bar/baz/goo/Thing.js
*
* @private
*/
canonicalUrl: function (url) {
// *WARNING WARNING WARNING*
// This method yields the most correct result we can get but it is EXPENSIVE!
// In ALL browsers! When called multiple times in a sequence, as if when
// we resolve dependencies for entries, it will cause garbage collection events
// and overall painful slowness. This is why we try to avoid it as much as we can.
//
// @TODO - see if we need this fallback logic
// http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue
resolverEl.href = url;
var ret = resolverEl.href,
dc = _config.disableCachingParam,
pos = dc ? ret.indexOf(dc + '=') : -1,
c, end;
// If we have a _dc query parameter we need to remove it from the canonical
// URL.
if (pos > 0 && ((c = ret.charAt(pos - 1)) === '?' || c === '&')) {
end = ret.indexOf('&', pos);
end = (end < 0) ? '' : ret.substring(end);
if (end && c === '?') {
++pos; // keep the '?'
end = end.substring(1); // remove the '&'
}
ret = ret.substring(0, pos - 1) + end;
}
return ret;
},
/**
* Get the config value corresponding to the specified name. If no name is given, will return the config object
* @param {String} name The config property name
* @return {Object}
*/
getConfig: function (name) {
return name ? Boot.config[name] : Boot.config;
},
/**
* Set the configuration.
* @param {Object} config The config object to override the default values.
* @return {Ext.Boot} this
*/
setConfig: function (name, value) {
if (typeof name === 'string') {
Boot.config[name] = value;
} else {
for (var s in name) {
Boot.setConfig(s, name[s]);
}
}
return Boot;
},
getHead: function () {
return Boot.docHead ||
(Boot.docHead = doc.head ||
doc.getElementsByTagName('head')[0]);
},
create: function (url, key, cfg) {
var config = cfg || {};
config.url = url;
config.key = key;
return Boot.scripts[key] = new Entry(config);
},
getEntry: function (url, cfg, canonicalPath) {
var key, entry;
// Canonicalizing URLs via anchor element href yields the most correct result
// but is *extremely* resource heavy so we need to avoid it whenever possible
key = canonicalPath ? url : Boot.canonicalUrl(url);
entry = Boot.scripts[key];
if (!entry) {
entry = Boot.create(url, key, cfg);
if (canonicalPath) {
entry.canonicalPath = true;
}
}
return entry;
},
registerContent: function (url, type, content) {
var cfg = {
content: content,
loaded: true,
css: type === 'css'
};
return Boot.getEntry(url, cfg);
},
processRequest: function(request, sync) {
request.loadEntries(sync);
},
load: function (request) {
// _debug("Boot.load called");
var request = new Request(request);
if (request.sync || Boot.syncMode) {
return Boot.loadSync(request);
}
// If there is a request in progress, we must
// queue this new request to be fired when the current request completes.
if (Boot.currentRequest) {
// _debug("current active request, suspending this request");
// trigger assignment of entries now to ensure that overlapping
// entries with currently running requests will synchronize state
// with this pending one as they complete
request.getEntries();
Boot.suspendedQueue.push(request);
} else {
Boot.currentRequest = request;
Boot.processRequest(request, false);
}
return Boot;
},
loadSync: function (request) {
// _debug("Boot.loadSync called");
var request = new Request(request);
Boot.syncMode++;
Boot.processRequest(request, true);
Boot.syncMode--;
return Boot;
},
loadBasePrefix: function(request) {
request = new Request(request);
request.prependBaseUrl = true;
return Boot.load(request);
},
loadSyncBasePrefix: function(request) {
request = new Request(request);
request.prependBaseUrl = true;
return Boot.loadSync(request);
},
requestComplete: function(request) {
var next;
if (Boot.currentRequest === request) {
Boot.currentRequest = null;
while(Boot.suspendedQueue.length > 0) {
next = Boot.suspendedQueue.shift();
if(!next.done) {
// _debug("resuming suspended request");
Boot.load(next);
break;
}
}
}
if (!Boot.currentRequest && Boot.suspendedQueue.length == 0) {
Boot.fireListeners();
}
},
isLoading: function () {
return !Boot.currentRequest && Boot.suspendedQueue.length == 0;
},
fireListeners: function () {
var listener;
while (Boot.isLoading() && (listener = Boot.listeners.shift())) {
listener();
}
},
onBootReady: function (listener) {
if (!Boot.isLoading()) {
listener();
} else {
Boot.listeners.push(listener);
}
},
/**
* this is a helper function used by Ext.Loader to flush out
* 'uses' arrays for classes in some Ext versions
*/
getPathsFromIndexes: function (indexMap, loadOrder) {
// In older versions indexMap was an object instead of a sparse array
if (!('length' in indexMap)) {
var indexArray = [],
index;
for (index in indexMap) {
if (!isNaN(+index)) {
indexArray[+index] = indexMap[index];
}
}
indexMap = indexArray;
}
return Request.prototype.getPathsFromIndexes(indexMap, loadOrder);
},
createLoadOrderMap: function(loadOrder) {
return Request.prototype.createLoadOrderMap(loadOrder);
},
fetch: function(url, complete, scope, async) {
async = (async === undefined) ? !!complete : async;
var xhr = new XMLHttpRequest(),
result, status, content, exception = false,
readyStateChange = function () {
if (xhr && xhr.readyState == 4) {
status = (xhr.status === 1223) ? 204 :
(xhr.status === 0 && ((self.location || {}).protocol === 'file:' ||
(self.location || {}).protocol === 'ionp:')) ? 200 : xhr.status;
content = xhr.responseText;
result = {
content: content,
status: status,
exception: exception
};
if (complete) {
complete.call(scope, result);
}
xhr.onreadystatechange = emptyFn;
xhr = null;
}
};
if (async) {
xhr.onreadystatechange = readyStateChange;
}
try {
// _debug("fetching " + url + " " + (async ? "async" : "sync"));
xhr.open('GET', url, async);
xhr.send(null);
} catch (err) {
exception = err;
readyStateChange();
return result;
}
if (!async) {
readyStateChange();
}
return result;
},
notifyAll: function(entry) {
entry.notifyRequests();
}
};
function Request(cfg) {
//The request class encapsulates a series of Entry objects
//and provides notification around the completion of all Entries
//in this request.
if(cfg.$isRequest) {
return cfg;
}
var cfg = cfg.url ? cfg : {url: cfg},
url = cfg.url,
urls = url.charAt ? [ url ] : url,
charset = cfg.charset || Boot.config.charset;
_apply(this, cfg);
delete this.url;
this.urls = urls;
this.charset = charset;
};
Request.prototype = {
$isRequest: true,
createLoadOrderMap: function (loadOrder) {
var len = loadOrder.length,
loadOrderMap = {},
i, element;
for (i = 0; i < len; i++) {
element = loadOrder[i];
loadOrderMap[element.path] = element;
}
return loadOrderMap;
},
getLoadIndexes: function (item, indexMap, loadOrder, includeUses, skipLoaded) {
var resolved = [],
queue = [item],
itemIndex = item.idx,
queue, entry, dependencies, depIndex, i, len;
if (indexMap[itemIndex]) {
// prevent cycles
return resolved;
}
// Both indexMap and resolved are sparse arrays keyed by indexes.
// This gives us a naturally sorted sequence of indexes later on
// when we need to convert them to paths.
// indexMap is the map of all indexes we have visited at least once
// per the current expandUrls() invocation, and resolved is the map
// of all dependencies for the current item that are not included
// in indexMap.
indexMap[itemIndex] = resolved[itemIndex] = true;
while (item = queue.shift()) {
// Canonicalizing URLs is expensive, we try to avoid it
if (item.canonicalPath) {
entry = Boot.getEntry(item.path, null, true);
}
else {
entry = Boot.getEntry(this.prepareUrl(item.path));
}
if (!(skipLoaded && entry.done)) {
if (includeUses && item.uses && item.uses.length) {
dependencies = item.requires.concat(item.uses);
}
else {
dependencies = item.requires;
}
for (i = 0, len = dependencies.length; i < len; i++) {
depIndex = dependencies[i];
if (!indexMap[depIndex]) {
indexMap[depIndex] = resolved[depIndex] = true;
queue.push(loadOrder[depIndex]);
}
}
}
}
return resolved;
},
getPathsFromIndexes: function (indexes, loadOrder) {
var paths = [],
index, len;
// indexes is a sparse array with values being true for defined indexes
for (index = 0, len = indexes.length; index < len; index++) {
if (indexes[index]) {
paths.push(loadOrder[index].path);
}
}
return paths;
},
expandUrl: function (url, loadOrder, loadOrderMap, indexMap, includeUses, skipLoaded) {
var item, resolved;
if (loadOrder) {
item = loadOrderMap[url];
if (item) {
resolved = this.getLoadIndexes(item, indexMap, loadOrder, includeUses, skipLoaded);
if (resolved.length) {
return this.getPathsFromIndexes(resolved, loadOrder);
}
}
}
return [url];
},