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     HostPortText: gettext('Host/IP address or optional port is invalid'),
 156
 157     HostList: function(v) {
 158         let list = v.split(/[ ,;]+/);
 159         let i;
 160         for (i = 0; i < list.length; i++) {
 161             if (list[i] === '') {
 162                 continue;
 163             }
 164
 165             if (!Proxmox.Utils.HostPort_match.test(list[i]) &&
 166                 !Proxmox.Utils.HostPortBrackets_match.test(list[i]) &&
 167                 !Proxmox.Utils.IP6_dotnotation_match.test(list[i])) {
 168                 return false;
 169             }
 170         }
 171
 172         return true;
 173     },
 174     HostListText: gettext('Not a valid list of hosts'),
 175
 176     password: function(val, field) {
 177         if (field.initialPassField) {
 178             let pwd = field.up('form').down(`[name=${field.initialPassField}]`);
 179             return val === pwd.getValue();
 180         }
 181         return true;
 182     },
 183
 184     passwordText: gettext('Passwords do not match'),
 185 });
 186
 187 // Firefox 52+ Touchscreen bug
 188 // see https://www.sencha.com/forum/showthread.php?336762-Examples-don-t-work-in-Firefox-52-touchscreen/page2
 189 // and https://bugzilla.proxmox.com/show_bug.cgi?id=1223
 190 Ext.define('EXTJS_23846.Element', {
 191     override: 'Ext.dom.Element',
 192 }, function(Element) {
 193     let supports = Ext.supports,
 194         proto = Element.prototype,
 195         eventMap = proto.eventMap,
 196         additiveEvents = proto.additiveEvents;
 197
 198     if (Ext.os.is.Desktop && supports.TouchEvents && !supports.PointerEvents) {
 199         eventMap.touchstart = 'mousedown';
 200         eventMap.touchmove = 'mousemove';
 201         eventMap.touchend = 'mouseup';
 202         eventMap.touchcancel = 'mouseup';
 203
 204         additiveEvents.mousedown = 'mousedown';
 205         additiveEvents.mousemove = 'mousemove';
 206         additiveEvents.mouseup = 'mouseup';
 207         additiveEvents.touchstart = 'touchstart';
 208         additiveEvents.touchmove = 'touchmove';
 209         additiveEvents.touchend = 'touchend';
 210         additiveEvents.touchcancel = 'touchcancel';
 211
 212         additiveEvents.pointerdown = 'mousedown';
 213         additiveEvents.pointermove = 'mousemove';
 214         additiveEvents.pointerup = 'mouseup';
 215         additiveEvents.pointercancel = 'mouseup';
 216     }
 217 });
 218
 219 Ext.define('EXTJS_23846.Gesture', {
 220     override: 'Ext.event.publisher.Gesture',
 221 }, function(Gesture) {
 222     let gestures = Gesture.instance;
 223
 224     if (Ext.supports.TouchEvents && !Ext.isWebKit && Ext.os.is.Desktop) {
 225         gestures.handledDomEvents.push('mousedown', 'mousemove', 'mouseup');
 226         gestures.registerEvents();
 227     }
 228 });
 229
 230 Ext.define('EXTJS_18900.Pie', {
 231     override: 'Ext.chart.series.Pie',
 232
 233     // from 6.0.2
 234     betweenAngle: function(x, a, b) {
 235         let pp = Math.PI * 2,
 236             offset = this.rotationOffset;
 237
 238         if (a === b) {
 239             return false;
 240         }
 241
 242         if (!this.getClockwise()) {
 243             x *= -1;
 244             a *= -1;
 245             b *= -1;
 246             a -= offset;
 247             b -= offset;
 248         } else {
 249             a += offset;
 250             b += offset;
 251         }
 252
 253         x -= a;
 254         b -= a;
 255
 256         // Normalize, so that both x and b are in the [0,360) interval.
 257         x %= pp;
 258         b %= pp;
 259         x += pp;
 260         b += pp;
 261         x %= pp;
 262         b %= pp;
 263
 264         // Because 360 * n angles will be normalized to 0,
 265         // we need to treat b === 0 as a special case.
 266         return x < b || b === 0;
 267     },
 268 });
 269
 270 // we always want the number in x.y format and never in, e.g., x,y
 271 Ext.define('PVE.form.field.Number', {
 272     override: 'Ext.form.field.Number',
 273     submitLocaleSeparator: false,
 274 });
 275
 276 // ExtJs 5-6 has an issue with caching
 277 // see https://www.sencha.com/forum/showthread.php?308989
 278 Ext.define('Proxmox.UnderlayPool', {
 279     override: 'Ext.dom.UnderlayPool',
 280
 281     checkOut: function() {
 282         let cache = this.cache,
 283             len = cache.length,
 284             el;
 285
 286         // do cleanup because some of the objects might have been destroyed
 287         while (len--) {
 288             if (cache[len].destroyed) {
 289                 cache.splice(len, 1);
 290             }
 291         }
 292         // end do cleanup
 293
 294         el = cache.shift();
 295
 296         if (!el) {
 297             el = Ext.Element.create(this.elementConfig);
 298             el.setVisibilityMode(2);
 299             //<debug>
 300             // tell the spec runner to ignore this element when checking if the dom is clean
 301             el.dom.setAttribute('data-sticky', true);
 302             //</debug>
 303         }
 304
 305         return el;
 306     },
 307 });
 308
 309 // 'Enter' in Textareas and aria multiline fields should not activate the
 310 // defaultbutton, fixed in extjs 6.0.2
 311 Ext.define('PVE.panel.Panel', {
 312     override: 'Ext.panel.Panel',
 313
 314     fireDefaultButton: function(e) {
 315         if (e.target.getAttribute('aria-multiline') === 'true' ||
 316             e.target.tagName === "TEXTAREA") {
 317             return true;
 318         }
 319         return this.callParent(arguments);
 320     },
 321 });
 322
 323 // if the order of the values are not the same in originalValue and value
 324 // extjs will not overwrite value, but marks the field dirty and thus
 325 // the reset button will be enabled (but clicking it changes nothing)
 326 // so if the arrays are not the same after resetting, we
 327 // clear and set it
 328 Ext.define('Proxmox.form.ComboBox', {
 329     override: 'Ext.form.field.ComboBox',
 330
 331     reset: function() {
 332         // copied from combobox
 333         let me = this;
 334         me.callParent();
 335
 336         // clear and set when not the same
 337         let value = me.getValue();
 338         if (Ext.isArray(me.originalValue) && Ext.isArray(value) &&
 339             !Ext.Array.equals(value, me.originalValue)) {
 340             me.clearValue();
 341             me.setValue(me.originalValue);
 342         }
 343     },
 344
 345     // we also want to open the trigger on editable comboboxes by default
 346     initComponent: function() {
 347         let me = this;
 348         me.callParent();
 349
 350         if (me.editable) {
 351             // The trigger.picker causes first a focus event on the field then
 352             // toggles the selection picker. Thus skip expanding in this case,
 353             // else our focus listener expands and the picker.trigger then
 354             // collapses it directly afterwards.
 355             Ext.override(me.triggers.picker, {
 356                 onMouseDown: function(e) {
 357                     // copied "should we focus" check from Ext.form.trigger.Trigger
 358                     if (e.pointerType !== 'touch' && !this.field.owns(Ext.Element.getActiveElement())) {
 359                         me.skip_expand_on_focus = true;
 360                     }
 361                     this.callParent(arguments);
 362                 },
 363             });
 364
 365             me.on("focus", function(combobox) {
 366                 if (!combobox.isExpanded && !combobox.skip_expand_on_focus) {
 367                     combobox.expand();
 368                 }
 369                 combobox.skip_expand_on_focus = false;
 370             });
 371         }
 372     },
 373 });
 374
 375 // when refreshing a grid/tree view, restoring the focus moves the view back to
 376 // the previously focused item. Save scroll position before refocusing.
 377 Ext.define(null, {
 378     override: 'Ext.view.Table',
 379
 380     jumpToFocus: false,
 381
 382     saveFocusState: function() {
 383         let me = this,
 384             store = me.dataSource,
 385             actionableMode = me.actionableMode,
 386             navModel = me.getNavigationModel(),
 387             focusPosition = actionableMode ? me.actionPosition : navModel.getPosition(true),
 388             refocusRow, refocusCol;
 389
 390         if (focusPosition) {
 391             // Separate this from the instance that the nav model is using.
 392             focusPosition = focusPosition.clone();
 393
 394             // Exit actionable mode.
 395             // We must inform any Actionables that they must relinquish control.
 396             // Tabbability must be reset.
 397             if (actionableMode) {
 398                 me.ownerGrid.setActionableMode(false);
 399             }
 400
 401             // Blur the focused descendant, but do not trigger focusLeave.
 402             me.el.dom.focus();
 403
 404             // Exiting actionable mode navigates to the owning cell, so in either focus mode we must
 405             // clear the navigation position
 406             navModel.setPosition();
 407
 408             // The following function will attempt to refocus back in the same mode to the same cell
 409             // as it was at before based upon the previous record (if it's still inthe store), or the row index.
 410             return function() {
 411                 // If we still have data, attempt to refocus in the same mode.
 412                 if (store.getCount()) {
 413                     // Adjust expectations of where we are able to refocus according to what kind of destruction
 414                     // might have been wrought on this view's DOM during focus save.
 415                     refocusRow = Math.min(focusPosition.rowIdx, me.all.getCount() - 1);
 416                     refocusCol = Math.min(focusPosition.colIdx,
 417                                           me.getVisibleColumnManager().getColumns().length - 1);
 418                     refocusRow = store.contains(focusPosition.record) ? focusPosition.record : refocusRow;
 419                     focusPosition = new Ext.grid.CellContext(me).setPosition(refocusRow, refocusCol);
 420
 421                     if (actionableMode) {
 422                         me.ownerGrid.setActionableMode(true, focusPosition);
 423                     } else {
 424                         me.cellFocused = true;
 425
 426                         // we sometimes want to scroll back to where we were
 427                         let x = me.getScrollX();
 428                         let y = me.getScrollY();
 429
 430                         // Pass "preventNavigation" as true so that that does not cause selection.
 431                         navModel.setPosition(focusPosition, null, null, null, true);
 432
 433                         if (!me.jumpToFocus) {
 434                             me.scrollTo(x, y);
 435                         }
 436                     }
 437                 } else { // No rows - focus associated column header
 438                     focusPosition.column.focus();
 439                 }
 440             };
 441         }
 442         return Ext.emptyFn;
 443     },
 444 });
 445
 446 // should be fixed with ExtJS 6.0.2, see:
 447 // https://www.sencha.com/forum/showthread.php?307244-Bug-with-datefield-in-window-with-scroll
 448 Ext.define('Proxmox.Datepicker', {
 449     override: 'Ext.picker.Date',
 450     hideMode: 'visibility',
 451 });
 452
 453 // ExtJS 6.0.1 has no setSubmitValue() (although you find it in the docs).
 454 // Note: this.submitValue is a boolean flag, whereas getSubmitValue() returns
 455 // data to be submitted.
 456 Ext.define('Proxmox.form.field.Text', {
 457     override: 'Ext.form.field.Text',
 458
 459     setSubmitValue: function(v) {
 460         this.submitValue = v;
 461     },
 462 });
 463
 464 // this should be fixed with ExtJS 6.0.2
 465 // make mousescrolling work in firefox in the containers overflowhandler
 466 Ext.define(null, {
 467     override: 'Ext.layout.container.boxOverflow.Scroller',
 468
 469     createWheelListener: function() {
 470         let me = this;
 471         if (Ext.isFirefox) {
 472             me.wheelListener = me.layout.innerCt.on('wheel', me.onMouseWheelFirefox, me, { destroyable: true });
 473         } else {
 474             me.wheelListener = me.layout.innerCt.on('mousewheel', me.onMouseWheel, me, { destroyable: true });
 475         }
 476     },
 477
 478     // special wheel handler for firefox. differs from the default onMouseWheel
 479     // handler by using deltaY instead of wheelDeltaY and no normalizing,
 480     // because it is already
 481     onMouseWheelFirefox: function(e) {
 482         e.stopEvent();
 483         let delta = e.browserEvent.deltaY || 0;
 484         this.scrollBy(delta * this.wheelIncrement, false);
 485     },
 486
 487 });
 488
 489 // add '@' to the valid id
 490 Ext.define('Proxmox.validIdReOverride', {
 491     override: 'Ext.Component',
 492     validIdRe: /^[a-z_][a-z0-9\-_@]*$/i,
 493 });
 494
 495 Ext.define('Proxmox.selection.CheckboxModel', {
 496     override: 'Ext.selection.CheckboxModel',
 497
 498     // [P] use whole checkbox cell to multiselect, not only the checkbox
 499     checkSelector: '.x-grid-cell-row-checker',
 500
 501     // [ P: optimized to remove all records at once as single remove is O(n^3) slow ]
 502     // records can be an index, a record or an array of records
 503     doDeselect: function(records, suppressEvent) {
 504         var me = this,
 505             selected = me.selected,
 506             i = 0,
 507             len, record,
 508             commit;
 509         if (me.locked || !me.store) {
 510             return false;
 511         }
 512         if (typeof records === "number") {
 513             // No matching record, jump out
 514             record = me.store.getAt(records);
 515             if (!record) {
 516                 return false;
 517             }
 518             records = [
 519                 record,
 520             ];
 521         } else if (!Ext.isArray(records)) {
 522             records = [
 523                 records,
 524             ];
 525         }
 526         // [P] a beforedeselection, triggered by me.onSelectChange below, can block removal by
 527         // returning false, thus the original implementation removed only here in the commit fn,
 528         // which has an abysmal performance O(n^3). As blocking removal is not the norm, go do the
 529         // reverse, record blocked records and remove them from the to-be-removed array before
 530         // applying it. A FF86 i9-9900K on 10k records goes from >40s to ~33ms for >90% deselection
 531         let committed = false;
 532         commit = function() {
 533             committed = true;
 534             if (record === me.selectionStart) {
 535                 me.selectionStart = null;
 536             }
 537         };
 538         let removalBlocked = [];
 539         len = records.length;
 540         me.suspendChanges();
 541         for (; i < len; i++) {
 542             record = records[i];
 543             if (me.isSelected(record)) {
 544                 committed = false;
 545                 me.onSelectChange(record, false, suppressEvent, commit);
 546                 if (!committed) {
 547                     removalBlocked.push(record);
 548                 }
 549                 if (me.destroyed) {
 550                     return false;
 551                 }
 552             }
 553         }
 554         if (removalBlocked.length > 0) {
 555             records.remove(removalBlocked);
 556         }
 557         selected.remove(records); // [P] FAST(er)
 558         me.lastSelected = selected.last();
 559         me.resumeChanges();
 560         // fire selchange if there was a change and there is no suppressEvent flag
 561         me.maybeFireSelectionChange(records.length > 0 && !suppressEvent);
 562         return records.length > 0;
 563     },
 564 });
 565
 566 // force alert boxes to be rendered with an Error Icon
 567 // since Ext.Msg is an object and not a prototype, we need to override it
 568 // after the framework has been initiated
 569 Ext.onReady(function() {
 570     Ext.override(Ext.Msg, {
 571         alert: function(title, message, fn, scope) { // eslint-disable-line consistent-return
 572             if (Ext.isString(title)) {
 573                 let config = {
 574                     title: title,
 575                     message: message,
 576                     icon: this.ERROR,
 577                     buttons: this.OK,
 578                     fn: fn,
 579                     scope: scope,
 580                     minWidth: this.minWidth,
 581                 };
 582             return this.show(config);
 583             }
 584         },
 585     });
 586 });
 587 Ext.define('Ext.ux.IFrame', {
 588     extend: 'Ext.Component',
 589
 590     alias: 'widget.uxiframe',
 591
 592     loadMask: 'Loading...',
 593
 594     src: 'about:blank',
 595
 596     renderTpl: [
 597         '<iframe src="{src}" id="{id}-iframeEl" data-ref="iframeEl" name="{frameName}" width="100%" height="100%" frameborder="0" allowfullscreen="true"></iframe>',
 598     ],
 599     childEls: ['iframeEl'],
 600
 601     initComponent: function() {
 602         this.callParent();
 603
 604         this.frameName = this.frameName || this.id + '-frame';
 605     },
 606
 607     initEvents: function() {
 608         let me = this;
 609         me.callParent();
 610         me.iframeEl.on('load', me.onLoad, me);
 611     },
 612
 613     initRenderData: function() {
 614         return Ext.apply(this.callParent(), {
 615             src: this.src,
 616             frameName: this.frameName,
 617         });
 618     },
 619
 620     getBody: function() {
 621         let doc = this.getDoc();
 622         return doc.body || doc.documentElement;
 623     },
 624
 625     getDoc: function() {
 626         try {
 627             return this.getWin().document;
 628         } catch (ex) {
 629             return null;
 630         }
 631     },
 632
 633     getWin: function() {
 634         let me = this,
 635             name = me.frameName,
 636             win = Ext.isIE
 637                 ? me.iframeEl.dom.contentWindow
 638                 : window.frames[name];
 639         return win;
 640     },
 641
 642     getFrame: function() {
 643         let me = this;
 644         return me.iframeEl.dom;
 645     },
 646
 647     beforeDestroy: function() {
 648         this.cleanupListeners(true);
 649         this.callParent();
 650     },
 651
 652     cleanupListeners: function(destroying) {
 653         let doc, prop;
 654
 655         if (this.rendered) {
 656             try {
 657                 doc = this.getDoc();
 658                 if (doc) {
 659                     Ext.get(doc).un(this._docListeners);
 660                     if (destroying && doc.hasOwnProperty) {
 661                         for (prop in doc) {
 662                             if (Object.prototype.hasOwnProperty.call(doc, prop)) {
 663                                 delete doc[prop];
 664                             }
 665                         }
 666                     }
 667                 }
 668             } catch (e) {
 669                 // do nothing
 670             }
 671         }
 672     },
 673
 674     onLoad: function() {
 675         let me = this,
 676             doc = me.getDoc(),
 677             fn = me.onRelayedEvent;
 678
 679         if (doc) {
 680             try {
 681                 // These events need to be relayed from the inner document (where they stop
 682                 // bubbling) up to the outer document. This has to be done at the DOM level so
 683                 // the event reaches listeners on elements like the document body. The effected
 684                 // mechanisms that depend on this bubbling behavior are listed to the right
 685                 // of the event.
 686                 Ext.get(doc).on(
 687                     me._docListeners = {
 688                         mousedown: fn, // menu dismisal (MenuManager) and Window onMouseDown (toFront)
 689                         mousemove: fn, // window resize drag detection
 690                         mouseup: fn, // window resize termination
 691                         click: fn, // not sure, but just to be safe
 692                         dblclick: fn, // not sure again
 693                         scope: me,
 694                     },
 695                 );
 696             } catch (e) {
 697                 // cannot do this xss
 698             }
 699
 700             // We need to be sure we remove all our events from the iframe on unload or we're going to LEAK!
 701             Ext.get(this.getWin()).on('beforeunload', me.cleanupListeners, me);
 702
 703             this.el.unmask();
 704             this.fireEvent('load', this);
 705         } else if (me.src) {
 706             this.el.unmask();
 707             this.fireEvent('error', this);
 708         }
 709     },
 710
 711     onRelayedEvent: function(event) {
 712         // relay event from the iframe's document to the document that owns the iframe...
 713
 714         let iframeEl = this.iframeEl,
 715
 716             // Get the left-based iframe position
 717             iframeXY = iframeEl.getTrueXY(),
 718             originalEventXY = event.getXY(),
 719
 720             // Get the left-based XY position.
 721             // This is because the consumer of the injected event will
 722             // perform its own RTL normalization.
 723             eventXY = event.getTrueXY();
 724
 725         // the event from the inner document has XY relative to that document's origin,
 726         // so adjust it to use the origin of the iframe in the outer document:
 727         event.xy = [iframeXY[0] + eventXY[0], iframeXY[1] + eventXY[1]];
 728
 729         event.injectEvent(iframeEl); // blame the iframe for the event...
 730
 731         event.xy = originalEventXY; // restore the original XY (just for safety)
 732     },
 733
 734     load: function(src) {
 735         let me = this,
 736             text = me.loadMask,
 737             frame = me.getFrame();
 738
 739         if (me.fireEvent('beforeload', me, src) !== false) {
 740             if (text && me.el) {
 741                 me.el.mask(text);
 742             }
 743
 744             frame.src = me.src = src || me.src;
 745         }
 746     },
 747 });