META-INF.dirigible.dev-tools.devtools_compatibility.js Maven / Gradle / Ivy
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/* eslint-disable indent */
(function(window) {
// DevToolsAPI ----------------------------------------------------------------
/**
* @unrestricted
*/
const DevToolsAPIImpl = class {
constructor() {
/**
* @type {number}
*/
this._lastCallId = 0;
/**
* @type {!Object.}
*/
this._callbacks = {};
/**
* @type {!Array.}
*/
this._pendingExtensionDescriptors = [];
/**
* @type {?function(!ExtensionDescriptor)}
*/
this._addExtensionCallback = null;
}
/**
* @param {number} id
* @param {?Object} arg
*/
embedderMessageAck(id, arg) {
const callback = this._callbacks[id];
delete this._callbacks[id];
if (callback) {
callback(arg);
}
}
/**
* @param {string} method
* @param {!Array.<*>} args
* @param {?function(?Object)} callback
*/
sendMessageToEmbedder(method, args, callback) {
const callId = ++this._lastCallId;
if (callback) {
this._callbacks[callId] = callback;
}
const message = {'id': callId, 'method': method};
if (args.length) {
message.params = args;
}
DevToolsHost.sendMessageToEmbedder(JSON.stringify(message));
}
/**
* @param {string} method
* @param {!Array<*>} args
*/
_dispatchOnInspectorFrontendAPI(method, args) {
const inspectorFrontendAPI = /** @type {!Object} */ (window['InspectorFrontendAPI']);
inspectorFrontendAPI[method].apply(inspectorFrontendAPI, args);
}
// API methods below this line --------------------------------------------
/**
* @param {!Array.} extensions
*/
addExtensions(extensions) {
// Support for legacy front-ends (} devices
*/
devicesUpdated(devices) {
this._dispatchOnInspectorFrontendAPI('devicesUpdated', [devices]);
}
/**
* @param {string} message
*/
dispatchMessage(message) {
this._dispatchOnInspectorFrontendAPI('dispatchMessage', [message]);
}
/**
* @param {string} messageChunk
* @param {number} messageSize
*/
dispatchMessageChunk(messageChunk, messageSize) {
this._dispatchOnInspectorFrontendAPI('dispatchMessageChunk', [messageChunk, messageSize]);
}
enterInspectElementMode() {
this._dispatchOnInspectorFrontendAPI('enterInspectElementMode', []);
}
/**
* @param {!{r: number, g: number, b: number, a: number}} color
*/
eyeDropperPickedColor(color) {
this._dispatchOnInspectorFrontendAPI('eyeDropperPickedColor', [color]);
}
/**
* @param {!Array.} fileSystems
*/
fileSystemsLoaded(fileSystems) {
this._dispatchOnInspectorFrontendAPI('fileSystemsLoaded', [fileSystems]);
}
/**
* @param {string} fileSystemPath
*/
fileSystemRemoved(fileSystemPath) {
this._dispatchOnInspectorFrontendAPI('fileSystemRemoved', [fileSystemPath]);
}
/**
* @param {?string} error
* @param {?{type: string, fileSystemName: string, rootURL: string, fileSystemPath: string}} fileSystem
*/
fileSystemAdded(error, fileSystem) {
this._dispatchOnInspectorFrontendAPI('fileSystemAdded', [error, fileSystem]);
}
/**
* @param {!Array} changedPaths
* @param {!Array} addedPaths
* @param {!Array} removedPaths
*/
fileSystemFilesChangedAddedRemoved(changedPaths, addedPaths, removedPaths) {
// Support for legacy front-ends (} files
*/
searchCompleted(requestId, fileSystemPath, files) {
this._dispatchOnInspectorFrontendAPI('searchCompleted', [requestId, fileSystemPath, files]);
}
/**
* @param {string} tabId
*/
setInspectedTabId(tabId) {
this._inspectedTabIdValue = tabId;
// Support for legacy front-ends ()} callback
*/
getPreferences(callback) {
DevToolsAPI.sendMessageToEmbedder('getPreferences', [], /** @type {function(?Object)} */ (callback));
}
/**
* @override
* @param {string} name
* @param {string} value
*/
setPreference(name, value) {
DevToolsAPI.sendMessageToEmbedder('setPreference', [name, value], null);
}
/**
* @override
* @param {string} name
*/
removePreference(name) {
DevToolsAPI.sendMessageToEmbedder('removePreference', [name], null);
}
/**
* @override
*/
clearPreferences() {
DevToolsAPI.sendMessageToEmbedder('clearPreferences', [], null);
}
/**
* @override
* @param {string} origin
* @param {string} script
*/
setInjectedScriptForOrigin(origin, script) {
DevToolsAPI.sendMessageToEmbedder('registerExtensionsAPI', [origin, script], null);
}
/**
* @override
* @param {string} url
*/
inspectedURLChanged(url) {
DevToolsAPI.sendMessageToEmbedder('inspectedURLChanged', [url], null);
}
/**
* @override
* @param {string} text
*/
copyText(text) {
DevToolsHost.copyText(text);
}
/**
* @override
* @param {string} url
*/
openInNewTab(url) {
DevToolsAPI.sendMessageToEmbedder('openInNewTab', [url], null);
}
/**
* @override
* @param {string} fileSystemPath
*/
showItemInFolder(fileSystemPath) {
DevToolsAPI.sendMessageToEmbedder('showItemInFolder', [fileSystemPath], null);
}
/**
* @override
* @param {string} url
* @param {string} content
* @param {boolean} forceSaveAs
*/
save(url, content, forceSaveAs) {
DevToolsAPI.sendMessageToEmbedder('save', [url, content, forceSaveAs], null);
}
/**
* @override
* @param {string} url
* @param {string} content
*/
append(url, content) {
DevToolsAPI.sendMessageToEmbedder('append', [url, content], null);
}
/**
* @override
* @param {string} url
*/
close(url) {
}
/**
* @override
* @param {string} message
*/
sendMessageToBackend(message) {
DevToolsAPI.sendMessageToEmbedder('dispatchProtocolMessage', [message], null);
}
/**
* @override
* @param {string} actionName
* @param {number} actionCode
* @param {number} bucketSize
*/
recordEnumeratedHistogram(actionName, actionCode, bucketSize) {
// Support for M49 frontend.
if (actionName === 'DevTools.DrawerShown') {
return;
}
DevToolsAPI.sendMessageToEmbedder('recordEnumeratedHistogram', [actionName, actionCode, bucketSize], null);
}
/**
* @override
* @param {string} histogramName
* @param {number} duration
*/
recordPerformanceHistogram(histogramName, duration) {
DevToolsAPI.sendMessageToEmbedder('recordPerformanceHistogram', [histogramName, duration], null);
}
/**
* @override
* @param {string} umaName
*/
recordUserMetricsAction(umaName) {
DevToolsAPI.sendMessageToEmbedder('recordUserMetricsAction', [umaName], null);
}
/**
* @override
*/
requestFileSystems() {
DevToolsAPI.sendMessageToEmbedder('requestFileSystems', [], null);
}
/**
* @override
* @param {string=} type
*/
addFileSystem(type) {
DevToolsAPI.sendMessageToEmbedder('addFileSystem', [type || ''], null);
}
/**
* @override
* @param {string} fileSystemPath
*/
removeFileSystem(fileSystemPath) {
DevToolsAPI.sendMessageToEmbedder('removeFileSystem', [fileSystemPath], null);
}
/**
* @override
* @param {string} fileSystemId
* @param {string} registeredName
* @return {?FileSystem}
*/
isolatedFileSystem(fileSystemId, registeredName) {
return DevToolsHost.isolatedFileSystem(fileSystemId, registeredName);
}
/**
* @override
* @param {!FileSystem} fileSystem
*/
upgradeDraggedFileSystemPermissions(fileSystem) {
DevToolsHost.upgradeDraggedFileSystemPermissions(fileSystem);
}
/**
* @override
* @param {number} requestId
* @param {string} fileSystemPath
* @param {string} excludedFolders
*/
indexPath(requestId, fileSystemPath, excludedFolders) {
// |excludedFolders| added in M67. For backward compatibility,
// pass empty array.
excludedFolders = excludedFolders || '[]';
DevToolsAPI.sendMessageToEmbedder('indexPath', [requestId, fileSystemPath, excludedFolders], null);
}
/**
* @override
* @param {number} requestId
*/
stopIndexing(requestId) {
DevToolsAPI.sendMessageToEmbedder('stopIndexing', [requestId], null);
}
/**
* @override
* @param {number} requestId
* @param {string} fileSystemPath
* @param {string} query
*/
searchInPath(requestId, fileSystemPath, query) {
DevToolsAPI.sendMessageToEmbedder('searchInPath', [requestId, fileSystemPath, query], null);
}
/**
* @override
* @return {number}
*/
zoomFactor() {
return DevToolsHost.zoomFactor();
}
/**
* @override
*/
zoomIn() {
DevToolsAPI.sendMessageToEmbedder('zoomIn', [], null);
}
/**
* @override
*/
zoomOut() {
DevToolsAPI.sendMessageToEmbedder('zoomOut', [], null);
}
/**
* @override
*/
resetZoom() {
DevToolsAPI.sendMessageToEmbedder('resetZoom', [], null);
}
/**
* @override
* @param {string} shortcuts
*/
setWhitelistedShortcuts(shortcuts) {
DevToolsAPI.sendMessageToEmbedder('setWhitelistedShortcuts', [shortcuts], null);
}
/**
* @override
* @param {boolean} active
*/
setEyeDropperActive(active) {
DevToolsAPI.sendMessageToEmbedder('setEyeDropperActive', [active], null);
}
/**
* @override
* @param {!Array} certChain
*/
showCertificateViewer(certChain) {
DevToolsAPI.sendMessageToEmbedder('showCertificateViewer', [JSON.stringify(certChain)], null);
}
/**
* Only needed to run Lighthouse on old devtools.
* @override
* @param {function()} callback
*/
reattach(callback) {
DevToolsAPI.sendMessageToEmbedder('reattach', [], callback);
}
/**
* @override
*/
readyForTest() {
DevToolsAPI.sendMessageToEmbedder('readyForTest', [], null);
}
/**
* @override
*/
connectionReady() {
DevToolsAPI.sendMessageToEmbedder('connectionReady', [], null);
}
/**
* @override
* @param {boolean} value
*/
setOpenNewWindowForPopups(value) {
DevToolsAPI.sendMessageToEmbedder('setOpenNewWindowForPopups', [value], null);
}
/**
* @override
* @param {!Adb.Config} config
*/
setDevicesDiscoveryConfig(config) {
DevToolsAPI.sendMessageToEmbedder(
'setDevicesDiscoveryConfig',
[
config.discoverUsbDevices, config.portForwardingEnabled, JSON.stringify(config.portForwardingConfig),
config.networkDiscoveryEnabled, JSON.stringify(config.networkDiscoveryConfig)
],
null);
}
/**
* @override
* @param {boolean} enabled
*/
setDevicesUpdatesEnabled(enabled) {
DevToolsAPI.sendMessageToEmbedder('setDevicesUpdatesEnabled', [enabled], null);
}
/**
* @override
* @param {string} pageId
* @param {string} action
*/
performActionOnRemotePage(pageId, action) {
DevToolsAPI.sendMessageToEmbedder('performActionOnRemotePage', [pageId, action], null);
}
/**
* @override
* @param {string} browserId
* @param {string} url
*/
openRemotePage(browserId, url) {
DevToolsAPI.sendMessageToEmbedder('openRemotePage', [browserId, url], null);
}
/**
* @override
*/
openNodeFrontend() {
DevToolsAPI.sendMessageToEmbedder('openNodeFrontend', [], null);
}
/**
* @override
* @param {number} x
* @param {number} y
* @param {!Array.} items
* @param {!Document} document
*/
showContextMenuAtPoint(x, y, items, document) {
DevToolsHost.showContextMenuAtPoint(x, y, items, document);
}
/**
* @override
* @return {boolean}
*/
isHostedMode() {
return DevToolsHost.isHostedMode();
}
/**
* @override
* @param {function(!ExtensionDescriptor)} callback
*/
setAddExtensionCallback(callback) {
DevToolsAPI.setAddExtensionCallback(callback);
}
// Backward-compatible methods below this line --------------------------------------------
/**
* Support for legacy front-ends (} */
const properties = [
'advancedSearchConfig',
'auditsPanelSplitViewState',
'auditsSidebarWidth',
'blockedURLs',
'breakpoints',
'cacheDisabled',
'colorFormat',
'consoleHistory',
'consoleTimestampsEnabled',
'cpuProfilerView',
'cssSourceMapsEnabled',
'currentDockState',
'customColorPalette',
'customDevicePresets',
'customEmulatedDeviceList',
'customFormatters',
'customUserAgent',
'databaseTableViewVisibleColumns',
'dataGrid-cookiesTable',
'dataGrid-DOMStorageItemsView',
'debuggerSidebarHidden',
'disableDataSaverInfobar',
'disablePausedStateOverlay',
'domBreakpoints',
'domWordWrap',
'elementsPanelSplitViewState',
'elementsSidebarWidth',
'emulation.deviceHeight',
'emulation.deviceModeValue',
'emulation.deviceOrientationOverride',
'emulation.deviceScale',
'emulation.deviceScaleFactor',
'emulation.deviceUA',
'emulation.deviceWidth',
'emulation.locationOverride',
'emulation.showDeviceMode',
'emulation.showRulers',
'enableAsyncStackTraces',
'eventListenerBreakpoints',
'fileMappingEntries',
'fileSystemMapping',
'FileSystemViewSidebarWidth',
'fileSystemViewSplitViewState',
'filterBar-consoleView',
'filterBar-networkPanel',
'filterBar-promisePane',
'filterBar-timelinePanel',
'frameViewerHideChromeWindow',
'heapSnapshotRetainersViewSize',
'heapSnapshotSplitViewState',
'hideCollectedPromises',
'hideNetworkMessages',
'highlightNodeOnHoverInOverlay',
'highResolutionCpuProfiling',
'inlineVariableValues',
'Inspector.drawerSplitView',
'Inspector.drawerSplitViewState',
'InspectorView.panelOrder',
'InspectorView.screencastSplitView',
'InspectorView.screencastSplitViewState',
'InspectorView.splitView',
'InspectorView.splitViewState',
'javaScriptDisabled',
'jsSourceMapsEnabled',
'lastActivePanel',
'lastDockState',
'lastSelectedSourcesSidebarPaneTab',
'lastSnippetEvaluationIndex',
'layerDetailsSplitView',
'layerDetailsSplitViewState',
'layersPanelSplitViewState',
'layersShowInternalLayers',
'layersSidebarWidth',
'messageLevelFilters',
'messageURLFilters',
'monitoringXHREnabled',
'navigatorGroupByFolder',
'navigatorHidden',
'networkColorCodeResourceTypes',
'networkConditions',
'networkConditionsCustomProfiles',
'networkHideDataURL',
'networkLogColumnsVisibility',
'networkLogLargeRows',
'networkLogShowOverview',
'networkPanelSplitViewState',
'networkRecordFilmStripSetting',
'networkResourceTypeFilters',
'networkShowPrimaryLoadWaterfall',
'networkSidebarWidth',
'openLinkHandler',
'pauseOnCaughtException',
'pauseOnExceptionEnabled',
'preserveConsoleLog',
'prettyPrintInfobarDisabled',
'previouslyViewedFiles',
'profilesPanelSplitViewState',
'profilesSidebarWidth',
'promiseStatusFilters',
'recordAllocationStacks',
'requestHeaderFilterSetting',
'request-info-formData-category-expanded',
'request-info-general-category-expanded',
'request-info-queryString-category-expanded',
'request-info-requestHeaders-category-expanded',
'request-info-requestPayload-category-expanded',
'request-info-responseHeaders-category-expanded',
'resources',
'resourcesLastSelectedItem',
'resourcesPanelSplitViewState',
'resourcesSidebarWidth',
'resourceViewTab',
'savedURLs',
'screencastEnabled',
'scriptsPanelNavigatorSidebarWidth',
'searchInContentScripts',
'selectedAuditCategories',
'selectedColorPalette',
'selectedProfileType',
'shortcutPanelSwitch',
'showAdvancedHeapSnapshotProperties',
'showEventListenersForAncestors',
'showFrameowkrListeners',
'showHeaSnapshotObjectsHiddenProperties',
'showInheritedComputedStyleProperties',
'showMediaQueryInspector',
'showNativeFunctionsInJSProfile',
'showUAShadowDOM',
'showWhitespacesInEditor',
'sidebarPosition',
'skipContentScripts',
'skipStackFramesPattern',
'sourceMapInfobarDisabled',
'sourcesPanelDebuggerSidebarSplitViewState',
'sourcesPanelNavigatorSplitViewState',
'sourcesPanelSplitSidebarRatio',
'sourcesPanelSplitViewState',
'sourcesSidebarWidth',
'standardEmulatedDeviceList',
'StylesPaneSplitRatio',
'stylesPaneSplitViewState',
'textEditorAutocompletion',
'textEditorAutoDetectIndent',
'textEditorBracketMatching',
'textEditorIndent',
'textEditorTabMovesFocus',
'timelineCaptureFilmStrip',
'timelineCaptureLayersAndPictures',
'timelineCaptureMemory',
'timelineCaptureNetwork',
'timeline-details',
'timelineEnableJSSampling',
'timelineOverviewMode',
'timelinePanelDetailsSplitViewState',
'timelinePanelRecorsSplitViewState',
'timelinePanelTimelineStackSplitViewState',
'timelinePerspective',
'timeline-split',
'timelineTreeGroupBy',
'timeline-view',
'timelineViewMode',
'uiTheme',
'watchExpressions',
'WebInspector.Drawer.lastSelectedView',
'WebInspector.Drawer.showOnLoad',
'workspaceExcludedFolders',
'workspaceFolderExcludePattern',
'workspaceInfobarDisabled',
'workspaceMappingInfobarDisabled',
'xhrBreakpoints'
];
/**
* @this {!{_storage: Object, _name: string}}
*/
function settingRemove() {
this._storage[this._name] = undefined;
}
/**
* @param {!Object} object
* @param {function(!Array)} observer
*/
function objectObserve(object, observer) {
if (window['WebInspector']) {
const settingPrototype = /** @type {!Object} */ (window['WebInspector']['Setting']['prototype']);
if (typeof settingPrototype['remove'] === 'function') {
settingPrototype['remove'] = settingRemove;
}
}
/** @type {!Set} */
const changedProperties = new Set();
let scheduled = false;
function scheduleObserver() {
if (scheduled) {
return;
}
scheduled = true;
setImmediate(callObserver);
}
function callObserver() {
scheduled = false;
const changes = /** @type {!Array} */ ([]);
changedProperties.forEach(function(name) {
changes.push({name: name});
});
changedProperties.clear();
observer.call(null, changes);
}
/** @type {!Map} */
const storage = new Map();
/**
* @param {string} property
*/
function defineProperty(property) {
if (property in object) {
storage.set(property, object[property]);
delete object[property];
}
Object.defineProperty(object, property, {
/**
* @return {*}
*/
get: function() {
return storage.get(property);
},
/**
* @param {*} value
*/
set: function(value) {
storage.set(property, value);
changedProperties.add(property);
scheduleObserver();
}
});
}
for (let i = 0; i < properties.length; ++i) {
defineProperty(properties[i]);
}
}
window.Object.observe = objectObserve;
}
/** @type {!Map} */
const staticKeyIdentifiers = new Map([
[0x12, 'Alt'],
[0x11, 'Control'],
[0x10, 'Shift'],
[0x14, 'CapsLock'],
[0x5b, 'Win'],
[0x5c, 'Win'],
[0x0c, 'Clear'],
[0x28, 'Down'],
[0x23, 'End'],
[0x0a, 'Enter'],
[0x0d, 'Enter'],
[0x2b, 'Execute'],
[0x70, 'F1'],
[0x71, 'F2'],
[0x72, 'F3'],
[0x73, 'F4'],
[0x74, 'F5'],
[0x75, 'F6'],
[0x76, 'F7'],
[0x77, 'F8'],
[0x78, 'F9'],
[0x79, 'F10'],
[0x7a, 'F11'],
[0x7b, 'F12'],
[0x7c, 'F13'],
[0x7d, 'F14'],
[0x7e, 'F15'],
[0x7f, 'F16'],
[0x80, 'F17'],
[0x81, 'F18'],
[0x82, 'F19'],
[0x83, 'F20'],
[0x84, 'F21'],
[0x85, 'F22'],
[0x86, 'F23'],
[0x87, 'F24'],
[0x2f, 'Help'],
[0x24, 'Home'],
[0x2d, 'Insert'],
[0x25, 'Left'],
[0x22, 'PageDown'],
[0x21, 'PageUp'],
[0x13, 'Pause'],
[0x2c, 'PrintScreen'],
[0x27, 'Right'],
[0x91, 'Scroll'],
[0x29, 'Select'],
[0x26, 'Up'],
[0x2e, 'U+007F'], // Standard says that DEL becomes U+007F.
[0xb0, 'MediaNextTrack'],
[0xb1, 'MediaPreviousTrack'],
[0xb2, 'MediaStop'],
[0xb3, 'MediaPlayPause'],
[0xad, 'VolumeMute'],
[0xae, 'VolumeDown'],
[0xaf, 'VolumeUp'],
]);
/**
* @param {number} keyCode
* @return {string}
*/
function keyCodeToKeyIdentifier(keyCode) {
let result = staticKeyIdentifiers.get(keyCode);
if (result !== undefined) {
return result;
}
result = 'U+';
const hexString = keyCode.toString(16).toUpperCase();
for (let i = hexString.length; i < 4; ++i) {
result += '0';
}
result += hexString;
return result;
}
function installBackwardsCompatibility() {
const majorVersion = getRemoteMajorVersion();
if (!majorVersion) {
return;
}
/** @type {!Array} */
const styleRules = [];
// Shadow DOM V0 polyfill
if (majorVersion <= 73 && !Element.prototype.createShadowRoot) {
Element.prototype.createShadowRoot = function() {
try {
return this.attachShadow({mode: 'open'});
} catch (e) {
// some elements we use to add shadow roots can no
// longer have shadow roots.
const fakeShadowHost = document.createElement('span');
this.appendChild(fakeShadowHost);
fakeShadowHost.className = 'fake-shadow-host';
return fakeShadowHost.createShadowRoot();
}
};
const origAdd = DOMTokenList.prototype.add;
DOMTokenList.prototype.add = function(...tokens) {
if (tokens[0].startsWith('insertion-point') || tokens[0].startsWith('tabbed-pane-header')) {
this._myElement.slot = '.' + tokens[0];
}
return origAdd.apply(this, tokens);
};
const origCreateElement = Document.prototype.createElement;
Document.prototype.createElement = function(tagName, ...rest) {
if (tagName === 'content') {
tagName = 'slot';
}
const element = origCreateElement.call(this, tagName, ...rest);
element.classList._myElement = element;
return element;
};
Object.defineProperty(HTMLSlotElement.prototype, 'select', {
async set(selector) {
this.name = selector;
}
});
function overrideCreateElementWithClass() {
window.removeEventListener('DOMContentLoaded', overrideCreateElementWithClass);
const origCreateElementWithClass = Document.prototype.createElementWithClass;
Document.prototype.createElementWithClass = function(tagName, className, ...rest) {
if (tagName !== 'button' || (className !== 'soft-dropdown' && className !== 'dropdown-button')) {
return origCreateElementWithClass.call(this, tagName, className, ...rest);
}
const element = origCreateElementWithClass.call(this, 'div', className, ...rest);
element.tabIndex = 0;
element.role = 'button';
return element;
};
}
// Document.prototype.createElementWithClass is a DevTools method, so we
// need to wait for DOMContentLoaded in order to override it.
if (window.document.head &&
(window.document.readyState === 'complete' || window.document.readyState === 'interactive')) {
overrideCreateElementWithClass();
} else {
window.addEventListener('DOMContentLoaded', overrideCreateElementWithClass);
}
}
// Custom Elements V0 polyfill
if (majorVersion <= 73 && !Document.prototype.hasOwnProperty('registerElement')) {
const fakeRegistry = new Map();
Document.prototype.registerElement = function(typeExtension, options) {
const {prototype, extends: localName} = options;
const document = this;
const callback = function() {
const element = document.createElement(localName || typeExtension);
const skip = new Set(['constructor', '__proto__']);
for (const key of Object.keys(Object.getOwnPropertyDescriptors(prototype.__proto__ || {}))) {
if (skip.has(key)) {
continue;
}
element[key] = prototype[key];
}
element.setAttribute('is', typeExtension);
if (element['createdCallback']) {
element['createdCallback']();
}
return element;
};
fakeRegistry.set(typeExtension, callback);
return callback;
};
const origCreateElement = Document.prototype.createElement;
Document.prototype.createElement = function(tagName, fakeCustomElementType) {
const fakeConstructor = fakeRegistry.get(fakeCustomElementType);
if (fakeConstructor) {
return fakeConstructor();
}
return origCreateElement.call(this, tagName, fakeCustomElementType);
};
// DevTools front-ends mistakenly assume that
// classList.toggle('a', undefined) works as
// classList.toggle('a', false) rather than as
// classList.toggle('a');
const originalDOMTokenListToggle = DOMTokenList.prototype.toggle;
DOMTokenList.prototype.toggle = function(token, force) {
if (arguments.length === 1) {
force = !this.contains(token);
}
return originalDOMTokenListToggle.call(this, token, !!force);
};
}
if (majorVersion <= 66) {
/** @type {(!function(number, number):Element|undefined)} */
ShadowRoot.prototype.__originalShadowRootElementFromPoint;
if (!ShadowRoot.prototype.__originalShadowRootElementFromPoint) {
ShadowRoot.prototype.__originalShadowRootElementFromPoint = ShadowRoot.prototype.elementFromPoint;
/**
* @param {number} x
* @param {number} y
* @return {Element}
*/
ShadowRoot.prototype.elementFromPoint = function(x, y) {
const originalResult = ShadowRoot.prototype.__originalShadowRootElementFromPoint.apply(this, arguments);
if (this.host && originalResult === this.host) {
return null;
}
return originalResult;
};
}
}
if (majorVersion <= 53) {
Object.defineProperty(window.KeyboardEvent.prototype, 'keyIdentifier', {
/**
* @return {string}
* @this {KeyboardEvent}
*/
get: function() {
return keyCodeToKeyIdentifier(this.keyCode);
}
});
}
if (majorVersion <= 50) {
installObjectObserve();
}
if (majorVersion <= 45) {
/**
* @param {string} property
* @return {!CSSValue|null}
* @this {CSSStyleDeclaration}
*/
function getValue(property) {
// Note that |property| comes from another context, so we can't use === here.
// eslint-disable-next-line eqeqeq
if (property == 'padding-left') {
return /** @type {!CSSValue} */ ({
/**
* @return {number}
* @this {!{__paddingLeft: number}}
*/
getFloatValue: function() {
return this.__paddingLeft;
},
__paddingLeft: parseFloat(this.paddingLeft)
});
}
throw new Error('getPropertyCSSValue is undefined');
}
window.CSSStyleDeclaration.prototype.getPropertyCSSValue = getValue;
function CSSPrimitiveValue() {
}
CSSPrimitiveValue.CSS_PX = 5;
window.CSSPrimitiveValue = CSSPrimitiveValue;
}
if (majorVersion <= 45) {
styleRules.push('* { min-width: 0; min-height: 0; }');
}
if (majorVersion <= 51) {
// Support for quirky border-image behavior (} styleRules
*/
function installExtraStyleRules(styleRules) {
if (!styleRules.length) {
return;
}
const styleText = styleRules.join('\n');
document.head.appendChild(createStyleElement(styleText));
const origCreateShadowRoot = HTMLElement.prototype.createShadowRoot;
HTMLElement.prototype.createShadowRoot = function(...args) {
const shadowRoot = origCreateShadowRoot.call(this, ...args);
shadowRoot.appendChild(createStyleElement(styleText));
return shadowRoot;
};
}
/**
* @param {string} styleText
* @return {!Element}
*/
function createStyleElement(styleText) {
const style = document.createElement('style');
style.textContent = styleText;
return style;
}
installBackwardsCompatibility();
})(window);
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