src/Toolkit.js

   1 // ExtJS related things
   2
   3  // do not send '_dc' parameter
   4 Ext.Ajax.disableCaching = false;
   5
   6 // FIXME: HACK! Makes scrolling in number spinner work again. fixed in ExtJS >= 6.1
   7 if (Ext.isFirefox) {
   8     Ext.$eventNameMap.DOMMouseScroll = 'DOMMouseScroll';
   9 }
  10
  11 // custom Vtypes
  12 Ext.apply(Ext.form.field.VTypes, {
  13     IPAddress: function(v) {
  14         return Proxmox.Utils.IP4_match.test(v);
  15     },
  16     IPAddressText: gettext('Example') + ': 192.168.1.1',
  17     IPAddressMask: /[\d.]/i,
  18
  19     IPCIDRAddress: function(v) {
  20         let result = Proxmox.Utils.IP4_cidr_match.exec(v);
  21         // limits according to JSON Schema see
  22         // pve-common/src/PVE/JSONSchema.pm
  23         return result !== null && result[1] >= 8 && result[1] <= 32;
  24     },
  25     IPCIDRAddressText: gettext('Example') + ': 192.168.1.1/24<br>' + gettext('Valid CIDR Range') + ': 8-32',
  26     IPCIDRAddressMask: /[\d./]/i,
  27
  28     IP6Address: function(v) {
  29         return Proxmox.Utils.IP6_match.test(v);
  30     },
  31     IP6AddressText: gettext('Example') + ': 2001:DB8::42',
  32     IP6AddressMask: /[A-Fa-f0-9:]/,
  33
  34     IP6CIDRAddress: function(v) {
  35         let result = Proxmox.Utils.IP6_cidr_match.exec(v);
  36         // limits according to JSON Schema see
  37         // pve-common/src/PVE/JSONSchema.pm
  38         return result !== null && result[1] >= 8 && result[1] <= 128;
  39     },
  40     IP6CIDRAddressText: gettext('Example') + ': 2001:DB8::42/64<br>' + gettext('Valid CIDR Range') + ': 8-128',
  41     IP6CIDRAddressMask: /[A-Fa-f0-9:/]/,
  42
  43     IP6PrefixLength: function(v) {
  44         return v >= 0 && v <= 128;
  45     },
  46     IP6PrefixLengthText: gettext('Example') + ': X, where 0 <= X <= 128',
  47     IP6PrefixLengthMask: /[0-9]/,
  48
  49     IP64Address: function(v) {
  50         return Proxmox.Utils.IP64_match.test(v);
  51     },
  52     IP64AddressText: gettext('Example') + ': 192.168.1.1 2001:DB8::42',
  53     IP64AddressMask: /[A-Fa-f0-9.:]/,
  54
  55     IP64CIDRAddress: function(v) {
  56         let result = Proxmox.Utils.IP64_cidr_match.exec(v);
  57         if (result === null) {
  58             return false;
  59         }
  60         if (result[1] !== undefined) {
  61             return result[1] >= 8 && result[1] <= 128;
  62         } else if (result[2] !== undefined) {
  63             return result[2] >= 8 && result[2] <= 32;
  64         } else {
  65             return false;
  66         }
  67     },
  68     IP64CIDRAddressText: gettext('Example') + ': 192.168.1.1/24 2001:DB8::42/64',
  69     IP64CIDRAddressMask: /[A-Fa-f0-9.:/]/,
  70
  71     MacAddress: function(v) {
  72         return (/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/).test(v);
  73     },
  74     MacAddressMask: /[a-fA-F0-9:]/,
  75     MacAddressText: gettext('Example') + ': 01:23:45:67:89:ab',
  76
  77     MacPrefix: function(v) {
  78         return (/^[a-f0-9][02468ace](?::[a-f0-9]{2}){0,2}:?$/i).test(v);
  79     },
  80     MacPrefixMask: /[a-fA-F0-9:]/,
  81     MacPrefixText: gettext('Example') + ': 02:8f - ' + gettext('only unicast addresses are allowed'),
  82
  83     BridgeName: function(v) {
  84         return (/^vmbr\d{1,4}$/).test(v);
  85     },
  86     VlanName: function(v) {
  87        if (Proxmox.Utils.VlanInterface_match.test(v)) {
  88          return true;
  89        } else if (Proxmox.Utils.Vlan_match.test(v)) {
  90          return true;
  91        }
  92        return true;
  93     },
  94     BridgeNameText: gettext('Format') + ': vmbr<b>N</b>, where 0 <= <b>N</b> <= 9999',
  95
  96     BondName: function(v) {
  97         return (/^bond\d{1,4}$/).test(v);
  98     },
  99     BondNameText: gettext('Format') + ': bond<b>N</b>, where 0 <= <b>N</b> <= 9999',
 100
 101     InterfaceName: function(v) {
 102         return (/^[a-z][a-z0-9_]{1,20}$/).test(v);
 103     },
 104     InterfaceNameText: gettext("Allowed characters") + ": 'a-z', '0-9', '_'<br />" +
 105                        gettext("Minimum characters") + ": 2<br />" +
 106                        gettext("Maximum characters") + ": 21<br />" +
 107                        gettext("Must start with") + ": 'a-z'",
 108
 109     StorageId: function(v) {
 110         return (/^[a-z][a-z0-9\-_.]*[a-z0-9]$/i).test(v);
 111     },
 112     StorageIdText: gettext("Allowed characters") + ":  'A-Z', 'a-z', '0-9', '-', '_', '.'<br />" +
 113                    gettext("Minimum characters") + ": 2<br />" +
 114                    gettext("Must start with") + ": 'A-Z', 'a-z'<br />" +
 115                    gettext("Must end with") + ": 'A-Z', 'a-z', '0-9'<br />",
 116
 117     ConfigId: function(v) {
 118         return (/^[a-z][a-z0-9_]+$/i).test(v);
 119     },
 120     ConfigIdText: gettext("Allowed characters") + ": 'A-Z', 'a-z', '0-9', '_'<br />" +
 121                   gettext("Minimum characters") + ": 2<br />" +
 122                   gettext("Must start with") + ": " + gettext("letter"),
 123
 124     HttpProxy: function(v) {
 125         return (/^http:\/\/.*$/).test(v);
 126     },
 127     HttpProxyText: gettext('Example') + ": http://username:password&#64;host:port/",
 128
 129     DnsName: function(v) {
 130         return Proxmox.Utils.DnsName_match.test(v);
 131     },
 132     DnsNameText: gettext('This is not a valid DNS name'),
 133
 134     // workaround for https://www.sencha.com/forum/showthread.php?302150
 135     proxmoxMail: function(v) {
 136         return (/^(\w+)([-+.][\w]+)*@(\w[-\w]*\.){1,5}([A-Za-z]){2,63}$/).test(v);
 137     },
 138     proxmoxMailText: gettext('Example') + ": user@example.com",
 139
 140     DnsOrIp: function(v) {
 141         if (!Proxmox.Utils.DnsName_match.test(v) &&
 142             !Proxmox.Utils.IP64_match.test(v)) {
 143             return false;
 144         }
 145
 146         return true;
 147     },
 148     DnsOrIpText: gettext('Not a valid DNS name or IP address.'),
 149
 150     HostPort: function(v) {
 151         return Proxmox.Utils.HostPort_match.test(v) ||
 152                 Proxmox.Utils.HostPortBrackets_match.test(v) ||
 153                 Proxmox.Utils.IP6_dotnotation_match.test(v);
 154     },
 155
 156     HostPortText: gettext('Not a valid hosts'),
 157
 158     HostList: function(v) {
 159         let list = v.split(/[ ,;]+/);
 160         let i;
 161         for (i = 0; i < list.length; i++) {
 162             if (list[i] === '') {
 163                 continue;
 164             }
 165
 166             if (!Proxmox.Utils.HostPort_match.test(list[i]) &&
 167                 !Proxmox.Utils.HostPortBrackets_match.test(list[i]) &&
 168                 !Proxmox.Utils.IP6_dotnotation_match.test(list[i])) {
 169                 return false;
 170             }
 171         }
 172
 173         return true;
 174     },
 175     HostListText: gettext('Not a valid list of hosts'),
 176
 177     password: function(val, field) {
 178         if (field.initialPassField) {
 179             let pwd = field.up('form').down(`[name=${field.initialPassField}]`);
 180             return val === pwd.getValue();
 181         }
 182         return true;
 183     },
 184
 185     passwordText: gettext('Passwords do not match'),
 186 });
 187
 188 // Firefox 52+ Touchscreen bug
 189 // see https://www.sencha.com/forum/showthread.php?336762-Examples-don-t-work-in-Firefox-52-touchscreen/page2
 190 // and https://bugzilla.proxmox.com/show_bug.cgi?id=1223
 191 Ext.define('EXTJS_23846.Element', {
 192     override: 'Ext.dom.Element',
 193 }, function(Element) {
 194     let supports = Ext.supports,
 195         proto = Element.prototype,
 196         eventMap = proto.eventMap,
 197         additiveEvents = proto.additiveEvents;
 198
 199     if (Ext.os.is.Desktop && supports.TouchEvents && !supports.PointerEvents) {
 200         eventMap.touchstart = 'mousedown';
 201         eventMap.touchmove = 'mousemove';
 202         eventMap.touchend = 'mouseup';
 203         eventMap.touchcancel = 'mouseup';
 204
 205         additiveEvents.mousedown = 'mousedown';
 206         additiveEvents.mousemove = 'mousemove';
 207         additiveEvents.mouseup = 'mouseup';
 208         additiveEvents.touchstart = 'touchstart';
 209         additiveEvents.touchmove = 'touchmove';
 210         additiveEvents.touchend = 'touchend';
 211         additiveEvents.touchcancel = 'touchcancel';
 212
 213         additiveEvents.pointerdown = 'mousedown';
 214         additiveEvents.pointermove = 'mousemove';
 215         additiveEvents.pointerup = 'mouseup';
 216         additiveEvents.pointercancel = 'mouseup';
 217     }
 218 });
 219
 220 Ext.define('EXTJS_23846.Gesture', {
 221     override: 'Ext.event.publisher.Gesture',
 222 }, function(Gesture) {
 223     let gestures = Gesture.instance;
 224
 225     if (Ext.supports.TouchEvents && !Ext.isWebKit && Ext.os.is.Desktop) {
 226         gestures.handledDomEvents.push('mousedown', 'mousemove', 'mouseup');
 227         gestures.registerEvents();
 228     }
 229 });
 230
 231 Ext.define('EXTJS_18900.Pie', {
 232     override: 'Ext.chart.series.Pie',
 233
 234     // from 6.0.2
 235     betweenAngle: function(x, a, b) {
 236         let pp = Math.PI * 2,
 237             offset = this.rotationOffset;
 238
 239         if (a === b) {
 240             return false;
 241         }
 242
 243         if (!this.getClockwise()) {
 244             x *= -1;
 245             a *= -1;
 246             b *= -1;
 247             a -= offset;
 248             b -= offset;
 249         } else {
 250             a += offset;
 251             b += offset;
 252         }
 253
 254         x -= a;
 255         b -= a;
 256
 257         // Normalize, so that both x and b are in the [0,360) interval.
 258         x %= pp;
 259         b %= pp;
 260         x += pp;
 261         b += pp;
 262         x %= pp;
 263         b %= pp;
 264
 265         // Because 360 * n angles will be normalized to 0,
 266         // we need to treat b === 0 as a special case.
 267         return x < b || b === 0;
 268     },
 269 });
 270
 271 // we always want the number in x.y format and never in, e.g., x,y
 272 Ext.define('PVE.form.field.Number', {
 273     override: 'Ext.form.field.Number',
 274     submitLocaleSeparator: false,
 275 });
 276
 277 // ExtJs 5-6 has an issue with caching
 278 // see https://www.sencha.com/forum/showthread.php?308989
 279 Ext.define('Proxmox.UnderlayPool', {
 280     override: 'Ext.dom.UnderlayPool',
 281
 282     checkOut: function() {
 283         let cache = this.cache,
 284             len = cache.length,
 285             el;
 286
 287         // do cleanup because some of the objects might have been destroyed
 288         while (len--) {
 289             if (cache[len].destroyed) {
 290                 cache.splice(len, 1);
 291             }
 292         }
 293         // end do cleanup
 294
 295         el = cache.shift();
 296
 297         if (!el) {
 298             el = Ext.Element.create(this.elementConfig);
 299             el.setVisibilityMode(2);
 300             //<debug>
 301             // tell the spec runner to ignore this element when checking if the dom is clean
 302             el.dom.setAttribute('data-sticky', true);
 303             //</debug>
 304         }
 305
 306         return el;
 307     },
 308 });
 309
 310 // 'Enter' in Textareas and aria multiline fields should not activate the
 311 // defaultbutton, fixed in extjs 6.0.2
 312 Ext.define('PVE.panel.Panel', {
 313     override: 'Ext.panel.Panel',
 314
 315     fireDefaultButton: function(e) {
 316         if (e.target.getAttribute('aria-multiline') === 'true' ||
 317             e.target.tagName === "TEXTAREA") {
 318             return true;
 319         }
 320         return this.callParent(arguments);
 321     },
 322 });
 323
 324 // if the order of the values are not the same in originalValue and value
 325 // extjs will not overwrite value, but marks the field dirty and thus
 326 // the reset button will be enabled (but clicking it changes nothing)
 327 // so if the arrays are not the same after resetting, we
 328 // clear and set it
 329 Ext.define('Proxmox.form.ComboBox', {
 330     override: 'Ext.form.field.ComboBox',
 331
 332     reset: function() {
 333         // copied from combobox
 334         let me = this;
 335         me.callParent();
 336
 337         // clear and set when not the same
 338         let value = me.getValue();
 339         if (Ext.isArray(me.originalValue) && Ext.isArray(value) &&
 340             !Ext.Array.equals(value, me.originalValue)) {
 341             me.clearValue();
 342             me.setValue(me.originalValue);
 343         }
 344     },
 345
 346     // we also want to open the trigger on editable comboboxes by default
 347     initComponent: function() {
 348         let me = this;
 349         me.callParent();
 350
 351         if (me.editable) {
 352             // The trigger.picker causes first a focus event on the field then
 353             // toggles the selection picker. Thus skip expanding in this case,
 354             // else our focus listener expands and the picker.trigger then
 355             // collapses it directly afterwards.
 356             Ext.override(me.triggers.picker, {
 357                 onMouseDown: function(e) {
 358                     // copied "should we focus" check from Ext.form.trigger.Trigger
 359                     if (e.pointerType !== 'touch' && !this.field.owns(Ext.Element.getActiveElement())) {
 360                         me.skip_expand_on_focus = true;
 361                     }
 362                     this.callParent(arguments);
 363                 },
 364             });
 365
 366             me.on("focus", function(combobox) {
 367                 if (!combobox.isExpanded && !combobox.skip_expand_on_focus) {
 368                     combobox.expand();
 369                 }
 370                 combobox.skip_expand_on_focus = false;
 371             });
 372         }
 373     },
 374 });
 375
 376 // when refreshing a grid/tree view, restoring the focus moves the view back to
 377 // the previously focused item. Save scroll position before refocusing.
 378 Ext.define(null, {
 379     override: 'Ext.view.Table',
 380
 381     jumpToFocus: false,
 382
 383     saveFocusState: function() {
 384         let me = this,
 385             store = me.dataSource,
 386             actionableMode = me.actionableMode,
 387             navModel = me.getNavigationModel(),
 388             focusPosition = actionableMode ? me.actionPosition : navModel.getPosition(true),
 389             refocusRow, refocusCol;
 390
 391         if (focusPosition) {
 392             // Separate this from the instance that the nav model is using.
 393             focusPosition = focusPosition.clone();
 394
 395             // Exit actionable mode.
 396             // We must inform any Actionables that they must relinquish control.
 397             // Tabbability must be reset.
 398             if (actionableMode) {
 399                 me.ownerGrid.setActionableMode(false);
 400             }
 401
 402             // Blur the focused descendant, but do not trigger focusLeave.
 403             me.el.dom.focus();
 404
 405             // Exiting actionable mode navigates to the owning cell, so in either focus mode we must
 406             // clear the navigation position
 407             navModel.setPosition();
 408
 409             // The following function will attempt to refocus back in the same mode to the same cell
 410             // as it was at before based upon the previous record (if it's still inthe store), or the row index.
 411             return function() {
 412                 // If we still have data, attempt to refocus in the same mode.
 413                 if (store.getCount()) {
 414                     // Adjust expectations of where we are able to refocus according to what kind of destruction
 415                     // might have been wrought on this view's DOM during focus save.
 416                     refocusRow = Math.min(focusPosition.rowIdx, me.all.getCount() - 1);
 417                     refocusCol = Math.min(focusPosition.colIdx,
 418                                           me.getVisibleColumnManager().getColumns().length - 1);
 419                     refocusRow = store.contains(focusPosition.record) ? focusPosition.record : refocusRow;
 420                     focusPosition = new Ext.grid.CellContext(me).setPosition(refocusRow, refocusCol);
 421
 422                     if (actionableMode) {
 423                         me.ownerGrid.setActionableMode(true, focusPosition);
 424                     } else {
 425                         me.cellFocused = true;
 426
 427                         // we sometimes want to scroll back to where we were
 428                         let x = me.getScrollX();
 429                         let y = me.getScrollY();
 430
 431                         // Pass "preventNavigation" as true so that that does not cause selection.
 432                         navModel.setPosition(focusPosition, null, null, null, true);
 433
 434                         if (!me.jumpToFocus) {
 435                             me.scrollTo(x, y);
 436                         }
 437                     }
 438                 } else { // No rows - focus associated column header
 439                     focusPosition.column.focus();
 440                 }
 441             };
 442         }
 443         return Ext.emptyFn;
 444     },
 445 });
 446
 447 // should be fixed with ExtJS 6.0.2, see:
 448 // https://www.sencha.com/forum/showthread.php?307244-Bug-with-datefield-in-window-with-scroll
 449 Ext.define('Proxmox.Datepicker', {
 450     override: 'Ext.picker.Date',
 451     hideMode: 'visibility',
 452 });
 453
 454 // ExtJS 6.0.1 has no setSubmitValue() (although you find it in the docs).
 455 // Note: this.submitValue is a boolean flag, whereas getSubmitValue() returns
 456 // data to be submitted.
 457 Ext.define('Proxmox.form.field.Text', {
 458     override: 'Ext.form.field.Text',
 459
 460     setSubmitValue: function(v) {
 461         this.submitValue = v;
 462     },
 463 });
 464
 465 // this should be fixed with ExtJS 6.0.2
 466 // make mousescrolling work in firefox in the containers overflowhandler
 467 Ext.define(null, {
 468     override: 'Ext.layout.container.boxOverflow.Scroller',
 469
 470     createWheelListener: function() {
 471         let me = this;
 472         if (Ext.isFirefox) {
 473             me.wheelListener = me.layout.innerCt.on('wheel', me.onMouseWheelFirefox, me, { destroyable: true });
 474         } else {
 475             me.wheelListener = me.layout.innerCt.on('mousewheel', me.onMouseWheel, me, { destroyable: true });
 476         }
 477     },
 478
 479     // special wheel handler for firefox. differs from the default onMouseWheel
 480     // handler by using deltaY instead of wheelDeltaY and no normalizing,
 481     // because it is already
 482     onMouseWheelFirefox: function(e) {
 483         e.stopEvent();
 484         let delta = e.browserEvent.deltaY || 0;
 485         this.scrollBy(delta * this.wheelIncrement, false);
 486     },
 487
 488 });
 489
 490 // add '@' to the valid id
 491 Ext.define('Proxmox.validIdReOverride', {
 492     override: 'Ext.Component',
 493     validIdRe: /^[a-z_][a-z0-9\-_@]*$/i,
 494 });
 495
 496 // force alert boxes to be rendered with an Error Icon
 497 // since Ext.Msg is an object and not a prototype, we need to override it
 498 // after the framework has been initiated
 499 Ext.onReady(function() {
 500 /*jslint confusion: true */
 501     Ext.override(Ext.Msg, {
 502         alert: function(title, message, fn, scope) { // eslint-disable-line consistent-return
 503             if (Ext.isString(title)) {
 504                 let config = {
 505                     title: title,
 506                     message: message,
 507                     icon: this.ERROR,
 508                     buttons: this.OK,
 509                     fn: fn,
 510                     scope: scope,
 511                     minWidth: this.minWidth,
 512                 };
 513             return this.show(config);
 514             }
 515         },
 516     });
 517 /*jslint confusion: false */
 518 });
 519 Ext.define('Ext.ux.IFrame', {
 520     extend: 'Ext.Component',
 521
 522     alias: 'widget.uxiframe',
 523
 524     loadMask: 'Loading...',
 525
 526     src: 'about:blank',
 527
 528     renderTpl: [
 529         '<iframe src="{src}" id="{id}-iframeEl" data-ref="iframeEl" name="{frameName}" width="100%" height="100%" frameborder="0" allowfullscreen="true"></iframe>',
 530     ],
 531     childEls: ['iframeEl'],
 532
 533     initComponent: function() {
 534         this.callParent();
 535
 536         this.frameName = this.frameName || this.id + '-frame';
 537     },
 538
 539     initEvents: function() {
 540         let me = this;
 541         me.callParent();
 542         me.iframeEl.on('load', me.onLoad, me);
 543     },
 544
 545     initRenderData: function() {
 546         return Ext.apply(this.callParent(), {
 547             src: this.src,
 548             frameName: this.frameName,
 549         });
 550     },
 551
 552     getBody: function() {
 553         let doc = this.getDoc();
 554         return doc.body || doc.documentElement;
 555     },
 556
 557     getDoc: function() {
 558         try {
 559             return this.getWin().document;
 560         } catch (ex) {
 561             return null;
 562         }
 563     },
 564
 565     getWin: function() {
 566         let me = this,
 567             name = me.frameName,
 568             win = Ext.isIE
 569                 ? me.iframeEl.dom.contentWindow
 570                 : window.frames[name];
 571         return win;
 572     },
 573
 574     getFrame: function() {
 575         let me = this;
 576         return me.iframeEl.dom;
 577     },
 578
 579     beforeDestroy: function() {
 580         this.cleanupListeners(true);
 581         this.callParent();
 582     },
 583
 584     cleanupListeners: function(destroying) {
 585         let doc, prop;
 586
 587         if (this.rendered) {
 588             try {
 589                 doc = this.getDoc();
 590                 if (doc) {
 591                     Ext.get(doc).un(this._docListeners);
 592                     if (destroying && doc.hasOwnProperty) {
 593                         for (prop in doc) {
 594                             if (Object.prototype.hasOwnProperty.call(doc, prop)) {
 595                                 delete doc[prop];
 596                             }
 597                         }
 598                     }
 599                 }
 600             } catch (e) {
 601                 // do nothing
 602             }
 603         }
 604     },
 605
 606     onLoad: function() {
 607         let me = this,
 608             doc = me.getDoc(),
 609             fn = me.onRelayedEvent;
 610
 611         if (doc) {
 612             try {
 613                 // These events need to be relayed from the inner document (where they stop
 614                 // bubbling) up to the outer document. This has to be done at the DOM level so
 615                 // the event reaches listeners on elements like the document body. The effected
 616                 // mechanisms that depend on this bubbling behavior are listed to the right
 617                 // of the event.
 618                 /*jslint nomen: true*/
 619                 Ext.get(doc).on(
 620                     me._docListeners = {
 621                         mousedown: fn, // menu dismisal (MenuManager) and Window onMouseDown (toFront)
 622                         mousemove: fn, // window resize drag detection
 623                         mouseup: fn, // window resize termination
 624                         click: fn, // not sure, but just to be safe
 625                         dblclick: fn, // not sure again
 626                         scope: me,
 627                     },
 628                 );
 629                 /*jslint nomen: false*/
 630             } catch (e) {
 631                 // cannot do this xss
 632             }
 633
 634             // We need to be sure we remove all our events from the iframe on unload or we're going to LEAK!
 635             Ext.get(this.getWin()).on('beforeunload', me.cleanupListeners, me);
 636
 637             this.el.unmask();
 638             this.fireEvent('load', this);
 639         } else if (me.src) {
 640             this.el.unmask();
 641             this.fireEvent('error', this);
 642         }
 643     },
 644
 645     onRelayedEvent: function(event) {
 646         // relay event from the iframe's document to the document that owns the iframe...
 647
 648         let iframeEl = this.iframeEl,
 649
 650             // Get the left-based iframe position
 651             iframeXY = iframeEl.getTrueXY(),
 652             originalEventXY = event.getXY(),
 653
 654             // Get the left-based XY position.
 655             // This is because the consumer of the injected event will
 656             // perform its own RTL normalization.
 657             eventXY = event.getTrueXY();
 658
 659         // the event from the inner document has XY relative to that document's origin,
 660         // so adjust it to use the origin of the iframe in the outer document:
 661         event.xy = [iframeXY[0] + eventXY[0], iframeXY[1] + eventXY[1]];
 662
 663         event.injectEvent(iframeEl); // blame the iframe for the event...
 664
 665         event.xy = originalEventXY; // restore the original XY (just for safety)
 666     },
 667
 668     load: function(src) {
 669         let me = this,
 670             text = me.loadMask,
 671             frame = me.getFrame();
 672
 673         if (me.fireEvent('beforeload', me, src) !== false) {
 674             if (text && me.el) {
 675                 me.el.mask(text);
 676             }
 677
 678             frame.src = me.src = src || me.src;
 679         }
 680     },
 681 });