diff options
Diffstat (limited to 'remote/webdriver-bidi/modules')
15 files changed, 3548 insertions, 0 deletions
diff --git a/remote/webdriver-bidi/modules/ModuleRegistry.sys.mjs b/remote/webdriver-bidi/modules/ModuleRegistry.sys.mjs new file mode 100644 index 0000000000..1eada826fc --- /dev/null +++ b/remote/webdriver-bidi/modules/ModuleRegistry.sys.mjs @@ -0,0 +1,42 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +export const modules = { + root: {}, + "windowglobal-in-root": {}, + windowglobal: {}, +}; + +// eslint-disable-next-line mozilla/lazy-getter-object-name +ChromeUtils.defineESModuleGetters(modules.root, { + browsingContext: + "chrome://remote/content/webdriver-bidi/modules/root/browsingContext.sys.mjs", + input: "chrome://remote/content/webdriver-bidi/modules/root/input.sys.mjs", + log: "chrome://remote/content/webdriver-bidi/modules/root/log.sys.mjs", + network: + "chrome://remote/content/webdriver-bidi/modules/root/network.sys.mjs", + script: "chrome://remote/content/webdriver-bidi/modules/root/script.sys.mjs", + session: + "chrome://remote/content/webdriver-bidi/modules/root/session.sys.mjs", +}); + +// eslint-disable-next-line mozilla/lazy-getter-object-name +ChromeUtils.defineESModuleGetters(modules["windowglobal-in-root"], { + browsingContext: + "chrome://remote/content/webdriver-bidi/modules/windowglobal-in-root/browsingContext.sys.mjs", + log: "chrome://remote/content/webdriver-bidi/modules/windowglobal-in-root/log.sys.mjs", + script: + "chrome://remote/content/webdriver-bidi/modules/windowglobal-in-root/script.sys.mjs", +}); + +// eslint-disable-next-line mozilla/lazy-getter-object-name +ChromeUtils.defineESModuleGetters(modules.windowglobal, { + browsingContext: + "chrome://remote/content/webdriver-bidi/modules/windowglobal/browsingContext.sys.mjs", + input: + "chrome://remote/content/webdriver-bidi/modules/windowglobal/input.sys.mjs", + log: "chrome://remote/content/webdriver-bidi/modules/windowglobal/log.sys.mjs", + script: + "chrome://remote/content/webdriver-bidi/modules/windowglobal/script.sys.mjs", +}); diff --git a/remote/webdriver-bidi/modules/WindowGlobalBiDiModule.sys.mjs b/remote/webdriver-bidi/modules/WindowGlobalBiDiModule.sys.mjs new file mode 100644 index 0000000000..5e5e04692e --- /dev/null +++ b/remote/webdriver-bidi/modules/WindowGlobalBiDiModule.sys.mjs @@ -0,0 +1,18 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { Module } from "chrome://remote/content/shared/messagehandler/Module.sys.mjs"; + +/** + * Base class for all WindowGlobal BiDi MessageHandler modules. + */ +export class WindowGlobalBiDiModule extends Module { + get nodeCache() { + return this.processActor.getNodeCache(); + } + + get processActor() { + return ChromeUtils.domProcessChild.getActor("WebDriverProcessData"); + } +} diff --git a/remote/webdriver-bidi/modules/root/browsingContext.sys.mjs b/remote/webdriver-bidi/modules/root/browsingContext.sys.mjs new file mode 100644 index 0000000000..34c71f9722 --- /dev/null +++ b/remote/webdriver-bidi/modules/root/browsingContext.sys.mjs @@ -0,0 +1,812 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs"; + +import { Module } from "chrome://remote/content/shared/messagehandler/Module.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + AppInfo: "chrome://remote/content/shared/AppInfo.sys.mjs", + assert: "chrome://remote/content/shared/webdriver/Assert.sys.mjs", + BrowsingContextListener: + "chrome://remote/content/shared/listeners/BrowsingContextListener.sys.mjs", + capture: "chrome://remote/content/shared/Capture.sys.mjs", + ContextDescriptorType: + "chrome://remote/content/shared/messagehandler/MessageHandler.sys.mjs", + error: "chrome://remote/content/shared/webdriver/Errors.sys.mjs", + Log: "chrome://remote/content/shared/Log.sys.mjs", + pprint: "chrome://remote/content/shared/Format.sys.mjs", + print: "chrome://remote/content/shared/PDF.sys.mjs", + ProgressListener: "chrome://remote/content/shared/Navigate.sys.mjs", + TabManager: "chrome://remote/content/shared/TabManager.sys.mjs", + waitForInitialNavigationCompleted: + "chrome://remote/content/shared/Navigate.sys.mjs", + WindowGlobalMessageHandler: + "chrome://remote/content/shared/messagehandler/WindowGlobalMessageHandler.sys.mjs", + windowManager: "chrome://remote/content/shared/WindowManager.sys.mjs", +}); + +XPCOMUtils.defineLazyGetter(lazy, "logger", () => + lazy.Log.get(lazy.Log.TYPES.WEBDRIVER_BIDI) +); + +/** + * @typedef {object} CreateType + */ + +/** + * Enum of types supported by the browsingContext.create command. + * + * @readonly + * @enum {CreateType} + */ +const CreateType = { + tab: "tab", + window: "window", +}; + +/** + * @typedef {string} WaitCondition + */ + +/** + * Wait conditions supported by WebDriver BiDi for navigation. + * + * @enum {WaitCondition} + */ +const WaitCondition = { + None: "none", + Interactive: "interactive", + Complete: "complete", +}; + +class BrowsingContextModule extends Module { + #contextListener; + #subscribedEvents; + + /** + * Create a new module instance. + * + * @param {MessageHandler} messageHandler + * The MessageHandler instance which owns this Module instance. + */ + constructor(messageHandler) { + super(messageHandler); + + // Create the console-api listener and listen on "message" events. + this.#contextListener = new lazy.BrowsingContextListener(); + this.#contextListener.on("attached", this.#onContextAttached); + + // Set of event names which have active subscriptions. + this.#subscribedEvents = new Set(); + } + + destroy() { + this.#contextListener.off("attached", this.#onContextAttached); + this.#contextListener.destroy(); + + this.#subscribedEvents = null; + } + + /** + * Capture a base64-encoded screenshot of the provided browsing context. + * + * @param {object=} options + * @param {string} options.context + * Id of the browsing context to screenshot. + * + * @throws {NoSuchFrameError} + * If the browsing context cannot be found. + */ + async captureScreenshot(options = {}) { + const { context: contextId } = options; + + lazy.assert.string( + contextId, + `Expected "context" to be a string, got ${contextId}` + ); + const context = this.#getBrowsingContext(contextId); + + const rect = await this.messageHandler.handleCommand({ + moduleName: "browsingContext", + commandName: "_getScreenshotRect", + destination: { + type: lazy.WindowGlobalMessageHandler.type, + id: context.id, + }, + retryOnAbort: true, + }); + + const canvas = await lazy.capture.canvas( + context.topChromeWindow, + context, + rect.x, + rect.y, + rect.width, + rect.height + ); + + return { + data: lazy.capture.toBase64(canvas), + }; + } + + /** + * Close the provided browsing context. + * + * @param {object=} options + * @param {string} options.context + * Id of the browsing context to close. + * + * @throws {NoSuchFrameError} + * If the browsing context cannot be found. + * @throws {InvalidArgumentError} + * If the browsing context is not a top-level one. + */ + async close(options = {}) { + const { context: contextId } = options; + + lazy.assert.string( + contextId, + `Expected "context" to be a string, got ${contextId}` + ); + + const context = lazy.TabManager.getBrowsingContextById(contextId); + if (!context) { + throw new lazy.error.NoSuchFrameError( + `Browsing Context with id ${contextId} not found` + ); + } + + if (context.parent) { + throw new lazy.error.InvalidArgumentError( + `Browsing Context with id ${contextId} is not top-level` + ); + } + + if (lazy.TabManager.getTabCount() === 1) { + // The behavior when closing the last tab is currently unspecified. + // Warn the consumer about potential issues + lazy.logger.warn( + `Closing the last open tab (Browsing Context id ${contextId}), expect inconsistent behavior across platforms` + ); + } + + const tab = lazy.TabManager.getTabForBrowsingContext(context); + await lazy.TabManager.removeTab(tab); + } + + /** + * Create a new browsing context using the provided type "tab" or "window". + * + * @param {object=} options + * @param {string=} options.referenceContext + * Id of the top-level browsing context to use as reference. + * If options.type is "tab", the new tab will open in the same window as + * the reference context, and will be added next to the reference context. + * If options.type is "window", the reference context is ignored. + * @param {CreateType} options.type + * Type of browsing context to create. + * + * @throws {InvalidArgumentError} + * If the browsing context is not a top-level one. + * @throws {NoSuchFrameError} + * If the browsing context cannot be found. + */ + async create(options = {}) { + const { referenceContext: referenceContextId = null, type } = options; + if (type !== CreateType.tab && type !== CreateType.window) { + throw new lazy.error.InvalidArgumentError( + `Expected "type" to be one of ${Object.values(CreateType)}, got ${type}` + ); + } + + let browser; + switch (type) { + case "window": + let newWindow = await lazy.windowManager.openBrowserWindow(); + browser = lazy.TabManager.getTabBrowser(newWindow).selectedBrowser; + break; + + case "tab": + if (!lazy.TabManager.supportsTabs()) { + throw new lazy.error.UnsupportedOperationError( + `browsingContext.create with type "tab" not supported in ${lazy.AppInfo.name}` + ); + } + + let referenceTab; + if (referenceContextId !== null) { + lazy.assert.string( + referenceContextId, + lazy.pprint`Expected "referenceContext" to be a string, got ${referenceContextId}` + ); + + const referenceBrowsingContext = + lazy.TabManager.getBrowsingContextById(referenceContextId); + if (!referenceBrowsingContext) { + throw new lazy.error.NoSuchFrameError( + `Browsing Context with id ${referenceContextId} not found` + ); + } + + if (referenceBrowsingContext.parent) { + throw new lazy.error.InvalidArgumentError( + `referenceContext with id ${referenceContextId} is not a top-level browsing context` + ); + } + + referenceTab = lazy.TabManager.getTabForBrowsingContext( + referenceBrowsingContext + ); + } + + const tab = await lazy.TabManager.addTab({ + focus: false, + referenceTab, + }); + browser = lazy.TabManager.getBrowserForTab(tab); + } + + await lazy.waitForInitialNavigationCompleted( + browser.browsingContext.webProgress, + { + unloadTimeout: 5000, + } + ); + + return { + context: lazy.TabManager.getIdForBrowser(browser), + }; + } + + /** + * An object that holds the WebDriver Bidi browsing context information. + * + * @typedef BrowsingContextInfo + * + * @property {string} context + * The id of the browsing context. + * @property {string=} parent + * The parent of the browsing context if it's the root browsing context + * of the to be processed browsing context tree. + * @property {string} url + * The current documents location. + * @property {Array<BrowsingContextInfo>=} children + * List of child browsing contexts. Only set if maxDepth hasn't been + * reached yet. + */ + + /** + * An object that holds the WebDriver Bidi browsing context tree information. + * + * @typedef BrowsingContextGetTreeResult + * + * @property {Array<BrowsingContextInfo>} contexts + * List of child browsing contexts. + */ + + /** + * Returns a tree of all browsing contexts that are descendents of the + * given context, or all top-level contexts when no root is provided. + * + * @param {object=} options + * @param {number=} options.maxDepth + * Depth of the browsing context tree to traverse. If not specified + * the whole tree is returned. + * @param {string=} options.root + * Id of the root browsing context. + * + * @returns {BrowsingContextGetTreeResult} + * Tree of browsing context information. + * @throws {NoSuchFrameError} + * If the browsing context cannot be found. + */ + getTree(options = {}) { + const { maxDepth = null, root: rootId = null } = options; + + if (maxDepth !== null) { + lazy.assert.positiveInteger( + maxDepth, + `Expected "maxDepth" to be a positive integer, got ${maxDepth}` + ); + } + + let contexts; + if (rootId !== null) { + // With a root id specified return the context info for itself + // and the full tree. + lazy.assert.string( + rootId, + `Expected "root" to be a string, got ${rootId}` + ); + contexts = [this.#getBrowsingContext(rootId)]; + } else { + // Return all top-level browsing contexts. + contexts = lazy.TabManager.browsers.map( + browser => browser.browsingContext + ); + } + + const contextsInfo = contexts.map(context => { + return this.#getBrowsingContextInfo(context, { maxDepth }); + }); + + return { contexts: contextsInfo }; + } + + /** + * An object that holds the WebDriver Bidi navigation information. + * + * @typedef BrowsingContextNavigateResult + * + * @property {string} navigation + * Unique id for this navigation. + * @property {string} url + * The requested or reached URL. + */ + + /** + * Navigate the given context to the provided url, with the provided wait condition. + * + * @param {object=} options + * @param {string} options.context + * Id of the browsing context to navigate. + * @param {string} options.url + * Url for the navigation. + * @param {WaitCondition=} options.wait + * Wait condition for the navigation, one of "none", "interactive", "complete". + * + * @returns {BrowsingContextNavigateResult} + * Navigation result. + * @throws {InvalidArgumentError} + * Raised if an argument is of an invalid type or value. + * @throws {NoSuchFrameError} + * If the browsing context for contextId cannot be found. + */ + async navigate(options = {}) { + const { context: contextId, url, wait = WaitCondition.None } = options; + + lazy.assert.string( + contextId, + `Expected "context" to be a string, got ${contextId}` + ); + + lazy.assert.string(url, `Expected "url" to be string, got ${url}`); + + const waitConditions = Object.values(WaitCondition); + if (!waitConditions.includes(wait)) { + throw new lazy.error.InvalidArgumentError( + `Expected "wait" to be one of ${waitConditions}, got ${wait}` + ); + } + + const context = this.#getBrowsingContext(contextId); + + // webProgress will be stable even if the context navigates, retrieve it + // immediately before doing any asynchronous call. + const webProgress = context.webProgress; + + const base = await this.messageHandler.handleCommand({ + moduleName: "browsingContext", + commandName: "_getBaseURL", + destination: { + type: lazy.WindowGlobalMessageHandler.type, + id: context.id, + }, + retryOnAbort: true, + }); + + let targetURI; + try { + const baseURI = Services.io.newURI(base); + targetURI = Services.io.newURI(url, null, baseURI); + } catch (e) { + throw new lazy.error.InvalidArgumentError( + `Expected "url" to be a valid URL (${e.message})` + ); + } + + return this.#awaitNavigation(webProgress, targetURI, { + wait, + }); + } + + /** + * An object that holds the information about margins + * for Webdriver BiDi browsingContext.print command. + * + * @typedef BrowsingContextPrintMarginParameters + * + * @property {number=} bottom + * Bottom margin in cm. Defaults to 1cm (~0.4 inches). + * @property {number=} left + * Left margin in cm. Defaults to 1cm (~0.4 inches). + * @property {number=} right + * Right margin in cm. Defaults to 1cm (~0.4 inches). + * @property {number=} top + * Top margin in cm. Defaults to 1cm (~0.4 inches). + */ + + /** + * An object that holds the information about paper size + * for Webdriver BiDi browsingContext.print command. + * + * @typedef BrowsingContextPrintPageParameters + * + * @property {number=} height + * Paper height in cm. Defaults to US letter height (27.94cm / 11 inches). + * @property {number=} width + * Paper width in cm. Defaults to US letter width (21.59cm / 8.5 inches). + */ + + /** + * Used as return value for Webdriver BiDi browsingContext.print command. + * + * @typedef BrowsingContextPrintResult + * + * @property {string} data + * Base64 encoded PDF representing printed document. + */ + + /** + * Creates a paginated PDF representation of a document + * of the provided browsing context, and returns it + * as a Base64-encoded string. + * + * @param {object=} options + * @param {string} options.context + * Id of the browsing context. + * @param {boolean=} options.background + * Whether or not to print background colors and images. + * Defaults to false, which prints without background graphics. + * @param {BrowsingContextPrintMarginParameters=} options.margin + * Paper margins. + * @param {('landscape'|'portrait')=} options.orientation + * Paper orientation. Defaults to 'portrait'. + * @param {BrowsingContextPrintPageParameters=} options.page + * Paper size. + * @param {Array<number|string>=} options.pageRanges + * Paper ranges to print, e.g., ['1-5', 8, '11-13']. + * Defaults to the empty array, which means print all pages. + * @param {number=} options.scale + * Scale of the webpage rendering. Defaults to 1.0. + * @param {boolean=} options.shrinkToFit + * Whether or not to override page size as defined by CSS. + * Defaults to true, in which case the content will be scaled + * to fit the paper size. + * + * @returns {BrowsingContextPrintResult} + * + * @throws {InvalidArgumentError} + * Raised if an argument is of an invalid type or value. + * @throws {NoSuchFrameError} + * If the browsing context cannot be found. + */ + async print(options = {}) { + const { + context: contextId, + background, + margin, + orientation, + page, + pageRanges, + scale, + shrinkToFit, + } = options; + + lazy.assert.string( + contextId, + `Expected "context" to be a string, got ${contextId}` + ); + const context = this.#getBrowsingContext(contextId); + + const settings = lazy.print.addDefaultSettings({ + background, + margin, + orientation, + page, + pageRanges, + scale, + shrinkToFit, + }); + + for (const prop of ["top", "bottom", "left", "right"]) { + lazy.assert.positiveNumber( + settings.margin[prop], + lazy.pprint`margin.${prop} is not a positive number` + ); + } + for (const prop of ["width", "height"]) { + lazy.assert.positiveNumber( + settings.page[prop], + lazy.pprint`page.${prop} is not a positive number` + ); + } + lazy.assert.positiveNumber( + settings.scale, + `scale ${settings.scale} is not a positive number` + ); + lazy.assert.that( + scale => + scale >= lazy.print.minScaleValue && scale <= lazy.print.maxScaleValue, + `scale ${settings.scale} is outside the range ${lazy.print.minScaleValue}-${lazy.print.maxScaleValue}` + )(settings.scale); + lazy.assert.boolean(settings.shrinkToFit); + lazy.assert.that( + orientation => lazy.print.defaults.orientationValue.includes(orientation), + `orientation ${ + settings.orientation + } doesn't match allowed values "${lazy.print.defaults.orientationValue.join( + "/" + )}"` + )(settings.orientation); + lazy.assert.boolean( + settings.background, + `background ${settings.background} is not boolean` + ); + lazy.assert.array(settings.pageRanges); + + const printSettings = await lazy.print.getPrintSettings(settings); + const binaryString = await lazy.print.printToBinaryString( + context, + printSettings + ); + + return { + data: btoa(binaryString), + }; + } + + /** + * Start and await a navigation on the provided BrowsingContext. Returns a + * promise which resolves when the navigation is done according to the provided + * navigation strategy. + * + * @param {WebProgress} webProgress + * The WebProgress instance to observe for this navigation. + * @param {nsIURI} targetURI + * The URI to navigate to. + * @param {object} options + * @param {WaitCondition} options.wait + * The WaitCondition to use to wait for the navigation. + */ + async #awaitNavigation(webProgress, targetURI, options) { + const { wait } = options; + + const context = webProgress.browsingContext; + const browserId = context.browserId; + + const resolveWhenStarted = wait === WaitCondition.None; + const listener = new lazy.ProgressListener(webProgress, { + expectNavigation: true, + resolveWhenStarted, + // In case the webprogress is already navigating, always wait for an + // explicit start flag. + waitForExplicitStart: true, + }); + + const onDocumentInteractive = (evtName, wrappedEvt) => { + if (webProgress.browsingContext.id !== wrappedEvt.contextId) { + // Ignore load events for unrelated browsing contexts. + return; + } + + if (wrappedEvt.readyState === "interactive") { + listener.stopIfStarted(); + } + }; + + const contextDescriptor = { + type: lazy.ContextDescriptorType.TopBrowsingContext, + id: browserId, + }; + + // For the Interactive wait condition, resolve as soon as + // the document becomes interactive. + if (wait === WaitCondition.Interactive) { + await this.messageHandler.eventsDispatcher.on( + "browsingContext._documentInteractive", + contextDescriptor, + onDocumentInteractive + ); + } + + const navigated = listener.start(); + navigated.finally(async () => { + if (listener.isStarted) { + listener.stop(); + } + + if (wait === WaitCondition.Interactive) { + await this.messageHandler.eventsDispatcher.off( + "browsingContext._documentInteractive", + contextDescriptor, + onDocumentInteractive + ); + } + }); + + context.loadURI(targetURI, { + loadFlags: Ci.nsIWebNavigation.LOAD_FLAGS_IS_LINK, + triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal(), + hasValidUserGestureActivation: true, + }); + await navigated; + + let url; + if (wait === WaitCondition.None) { + // If wait condition is None, the navigation resolved before the current + // context has navigated. + url = listener.targetURI.spec; + } else { + url = listener.currentURI.spec; + } + + return { + // TODO: The navigation id should be a real id mapped to the navigation. + // See https://bugzilla.mozilla.org/show_bug.cgi?id=1763122 + navigation: null, + url, + }; + } + + /** + * Retrieves a browsing context based on its id. + * + * @param {number} contextId + * Id of the browsing context. + * @returns {BrowsingContext=} + * The browsing context or null if <var>contextId</var> is null. + * @throws {NoSuchFrameError} + * If the browsing context cannot be found. + */ + #getBrowsingContext(contextId) { + // The WebDriver BiDi specification expects null to be + // returned if no browsing context id has been specified. + if (contextId === null) { + return null; + } + + const context = lazy.TabManager.getBrowsingContextById(contextId); + if (context === null) { + throw new lazy.error.NoSuchFrameError( + `Browsing Context with id ${contextId} not found` + ); + } + + return context; + } + + /** + * Get the WebDriver BiDi browsing context information. + * + * @param {BrowsingContext} context + * The browsing context to get the information from. + * @param {object=} options + * @param {boolean=} options.isRoot + * Flag that indicates if this browsing context is the root of all the + * browsing contexts to be returned. Defaults to true. + * @param {number=} options.maxDepth + * Depth of the browsing context tree to traverse. If not specified + * the whole tree is returned. + * @returns {BrowsingContextInfo} + * The information about the browsing context. + */ + #getBrowsingContextInfo(context, options = {}) { + const { isRoot = true, maxDepth = null } = options; + + let children = null; + if (maxDepth === null || maxDepth > 0) { + children = context.children.map(context => + this.#getBrowsingContextInfo(context, { + maxDepth: maxDepth === null ? maxDepth : maxDepth - 1, + isRoot: false, + }) + ); + } + + const contextInfo = { + context: lazy.TabManager.getIdForBrowsingContext(context), + url: context.currentURI.spec, + children, + }; + + if (isRoot) { + // Only emit the parent id for the top-most browsing context. + const parentId = lazy.TabManager.getIdForBrowsingContext(context.parent); + contextInfo.parent = parentId; + } + + return contextInfo; + } + + #onContextAttached = async (eventName, data = {}) => { + const { browsingContext, why } = data; + + // Filter out top-level browsing contexts that are created because of a + // cross-group navigation. + if (why === "replace") { + return; + } + + // Filter out notifications for chrome context until support gets + // added (bug 1722679). + if (!browsingContext.webProgress) { + return; + } + + const browsingContextInfo = this.#getBrowsingContextInfo(browsingContext, { + maxDepth: 0, + }); + + // This event is emitted from the parent process but for a given browsing + // context. Set the event's contextInfo to the message handler corresponding + // to this browsing context. + const contextInfo = { + contextId: browsingContext.id, + type: lazy.WindowGlobalMessageHandler.type, + }; + this.emitEvent( + "browsingContext.contextCreated", + browsingContextInfo, + contextInfo + ); + }; + + #subscribeEvent(event) { + if (event === "browsingContext.contextCreated") { + this.#contextListener.startListening(); + this.#subscribedEvents.add(event); + } + } + + #unsubscribeEvent(event) { + if (event === "browsingContext.contextCreated") { + this.#contextListener.stopListening(); + this.#subscribedEvents.delete(event); + } + } + + /** + * Internal commands + */ + + _applySessionData(params) { + // TODO: Bug 1775231. Move this logic to a shared module or an abstract + // class. + const { category } = params; + if (category === "event") { + const filteredSessionData = params.sessionData.filter(item => + this.messageHandler.matchesContext(item.contextDescriptor) + ); + for (const event of this.#subscribedEvents.values()) { + const hasSessionItem = filteredSessionData.some( + item => item.value === event + ); + // If there are no session items for this context, we should unsubscribe from the event. + if (!hasSessionItem) { + this.#unsubscribeEvent(event); + } + } + + // Subscribe to all events, which have an item in SessionData. + for (const { value } of filteredSessionData) { + this.#subscribeEvent(value); + } + } + } + + static get supportedEvents() { + return [ + "browsingContext.contextCreated", + "browsingContext.domContentLoaded", + "browsingContext.load", + ]; + } +} + +export const browsingContext = BrowsingContextModule; diff --git a/remote/webdriver-bidi/modules/root/input.sys.mjs b/remote/webdriver-bidi/modules/root/input.sys.mjs new file mode 100644 index 0000000000..8edd8299b7 --- /dev/null +++ b/remote/webdriver-bidi/modules/root/input.sys.mjs @@ -0,0 +1,99 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { Module } from "chrome://remote/content/shared/messagehandler/Module.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + assert: "chrome://remote/content/shared/webdriver/Assert.sys.mjs", + error: "chrome://remote/content/shared/webdriver/Errors.sys.mjs", + TabManager: "chrome://remote/content/shared/TabManager.sys.mjs", + WindowGlobalMessageHandler: + "chrome://remote/content/shared/messagehandler/WindowGlobalMessageHandler.sys.mjs", +}); + +class InputModule extends Module { + destroy() {} + + async performActions(options = {}) { + const { actions, context: contextId } = options; + + lazy.assert.string( + contextId, + `Expected "context" to be a string, got ${contextId}` + ); + + const context = lazy.TabManager.getBrowsingContextById(contextId); + if (!context) { + throw new lazy.error.NoSuchFrameError( + `Browsing context with id ${contextId} not found` + ); + } + + // Bug 1821460: Fetch top-level browsing context. + + await this.messageHandler.forwardCommand({ + moduleName: "input", + commandName: "performActions", + destination: { + type: lazy.WindowGlobalMessageHandler.type, + id: context.id, + }, + params: { + actions, + }, + }); + + return {}; + } + + /** + * Reset the input state in the provided browsing context. + * + * @param {object=} options + * @param {string} options.context + * Id of the browsing context to reset the input state. + * + * @throws {InvalidArgumentError} + * If <var>context</var> is not valid type. + * @throws {NoSuchFrameError} + * If the browsing context cannot be found. + */ + async releaseActions(options = {}) { + const { context: contextId } = options; + + lazy.assert.string( + contextId, + `Expected "context" to be a string, got ${contextId}` + ); + + const context = lazy.TabManager.getBrowsingContextById(contextId); + if (!context) { + throw new lazy.error.NoSuchFrameError( + `Browsing context with id ${contextId} not found` + ); + } + + // Bug 1821460: Fetch top-level browsing context. + + await this.messageHandler.forwardCommand({ + moduleName: "input", + commandName: "releaseActions", + destination: { + type: lazy.WindowGlobalMessageHandler.type, + id: context.id, + }, + params: {}, + }); + + return {}; + } + + static get supportedEvents() { + return []; + } +} + +export const input = InputModule; diff --git a/remote/webdriver-bidi/modules/root/log.sys.mjs b/remote/webdriver-bidi/modules/root/log.sys.mjs new file mode 100644 index 0000000000..db2390d3ba --- /dev/null +++ b/remote/webdriver-bidi/modules/root/log.sys.mjs @@ -0,0 +1,15 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { Module } from "chrome://remote/content/shared/messagehandler/Module.sys.mjs"; + +class LogModule extends Module { + destroy() {} + + static get supportedEvents() { + return ["log.entryAdded"]; + } +} + +export const log = LogModule; diff --git a/remote/webdriver-bidi/modules/root/network.sys.mjs b/remote/webdriver-bidi/modules/root/network.sys.mjs new file mode 100644 index 0000000000..b44f20e58f --- /dev/null +++ b/remote/webdriver-bidi/modules/root/network.sys.mjs @@ -0,0 +1,320 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { Module } from "chrome://remote/content/shared/messagehandler/Module.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + NetworkListener: + "chrome://remote/content/shared/listeners/NetworkListener.sys.mjs", + TabManager: "chrome://remote/content/shared/TabManager.sys.mjs", + WindowGlobalMessageHandler: + "chrome://remote/content/shared/messagehandler/WindowGlobalMessageHandler.sys.mjs", +}); + +/** + * @typedef {object} BaseParameters + * @property {string=} context + * @property {Navigation=} navigation + * @property {number} redirectCount + * @property {RequestData} request + * @property {number} timestamp + */ + +/** + * @typedef {object} Cookie + * @property {Array<number>=} binaryValue + * @property {string} domain + * @property {number=} expires + * @property {boolean} httpOnly + * @property {string} name + * @property {string} path + * @property {('lax' | 'none' | 'strict')} sameSite + * @property {boolean} secure + * @property {number} size + * @property {string=} value + */ + +/** + * @typedef {object} FetchTimingInfo + * @property {number} originTime + * @property {number} requestTime + * @property {number} redirectStart + * @property {number} redirectEnd + * @property {number} fetchStart + * @property {number} dnsStart + * @property {number} dnsEnd + * @property {number} connectStart + * @property {number} connectEnd + * @property {number} tlsStart + * @property {number} requestStart + * @property {number} responseStart + * @property {number} responseEnd + */ + +/** + * @typedef {object} Header + * @property {Array<number>=} binaryValue + * @property {string} name + * @property {string=} value + */ + +/** + * @typedef {string} InitiatorType + */ + +/** + * Enum of possible initiator types. + * + * @readonly + * @enum {InitiatorType} + */ +const InitiatorType = { + Other: "other", + Parser: "parser", + Preflight: "preflight", + Script: "script", +}; +/** + * @typedef {object} Initiator + * @property {InitiatorType} type + * @property {number=} columnNumber + * @property {number=} lineNumber + * @property {string=} request + * @property {StackTrace=} stackTrace + */ + +/** + * @typedef {object} RequestData + * @property {number|null} bodySize + * Defaults to null. + * @property {Array<Cookie>} cookies + * @property {Array<Header>} headers + * @property {number} headersSize + * @property {string} method + * @property {string} request + * @property {FetchTimingInfo} timings + * @property {string} url + */ + +/** + * @typedef {object} BeforeRequestSentParametersProperties + * @property {Initiator} initiator + */ + +/* eslint-disable jsdoc/valid-types */ +/** + * Parameters for the BeforeRequestSent event + * + * @typedef {BaseParameters & BeforeRequestSentParametersProperties} BeforeRequestSentParameters + */ +/* eslint-enable jsdoc/valid-types */ + +/** + * @typedef {object} ResponseContent + * @property {number|null} size + * Defaults to null. + */ + +/** + * @typedef {object} ResponseData + * @property {string} url + * @property {string} protocol + * @property {number} status + * @property {string} statusText + * @property {boolean} fromCache + * @property {Array<Header>} headers + * @property {string} mimeType + * @property {number} bytesReceived + * @property {number|null} headersSize + * Defaults to null. + * @property {number|null} bodySize + * Defaults to null. + * @property {ResponseContent} content + */ + +/** + * @typedef {object} ResponseStartedParametersProperties + * @property {ResponseData} response + */ + +/* eslint-disable jsdoc/valid-types */ +/** + * Parameters for the ResponseStarted event + * + * @typedef {BaseParameters & ResponseStartedParametersProperties} ResponseStartedParameters + */ +/* eslint-enable jsdoc/valid-types */ + +/** + * @typedef {object} ResponseCompletedParametersProperties + * @property {ResponseData} response + */ + +/* eslint-disable jsdoc/valid-types */ +/** + * Parameters for the ResponseCompleted event + * + * @typedef {BaseParameters & ResponseCompletedParametersProperties} ResponseCompletedParameters + */ +/* eslint-enable jsdoc/valid-types */ + +class NetworkModule extends Module { + #networkListener; + #subscribedEvents; + + constructor(messageHandler) { + super(messageHandler); + + // Set of event names which have active subscriptions + this.#subscribedEvents = new Set(); + + this.#networkListener = new lazy.NetworkListener(); + this.#networkListener.on("before-request-sent", this.#onBeforeRequestSent); + this.#networkListener.on("response-completed", this.#onResponseEvent); + this.#networkListener.on("response-started", this.#onResponseEvent); + } + + destroy() { + this.#networkListener.off("before-request-sent", this.#onBeforeRequestSent); + this.#networkListener.off("response-completed", this.#onResponseEvent); + this.#networkListener.off("response-started", this.#onResponseEvent); + + this.#subscribedEvents = null; + } + + #getContextInfo(browsingContext) { + return { + contextId: browsingContext.id, + type: lazy.WindowGlobalMessageHandler.type, + }; + } + + #onBeforeRequestSent = (name, data) => { + const { contextId, requestData, timestamp, redirectCount } = data; + + // Bug 1805479: Handle the initiator, including stacktrace details. + const initiator = { + type: InitiatorType.Other, + }; + + const baseParameters = { + context: contextId, + // Bug 1805405: Handle the navigation id. + navigation: null, + redirectCount, + request: requestData, + timestamp, + }; + + const beforeRequestSentEvent = { + ...baseParameters, + initiator, + }; + + const browsingContext = lazy.TabManager.getBrowsingContextById(contextId); + this.emitEvent( + "network.beforeRequestSent", + beforeRequestSentEvent, + this.#getContextInfo(browsingContext) + ); + }; + + #onResponseEvent = (name, data) => { + const { contextId, requestData, responseData, timestamp, redirectCount } = + data; + + const baseParameters = { + context: contextId, + // Bug 1805405: Handle the navigation id. + navigation: null, + redirectCount, + request: requestData, + timestamp, + }; + + const responseEvent = { + ...baseParameters, + response: responseData, + }; + + const protocolEventName = + name === "response-started" + ? "network.responseStarted" + : "network.responseCompleted"; + + const browsingContext = lazy.TabManager.getBrowsingContextById(contextId); + this.emitEvent( + protocolEventName, + responseEvent, + this.#getContextInfo(browsingContext) + ); + }; + + #startListening(event) { + if (this.#subscribedEvents.size == 0) { + this.#networkListener.startListening(); + } + this.#subscribedEvents.add(event); + } + + #stopListening(event) { + this.#subscribedEvents.delete(event); + if (this.#subscribedEvents.size == 0) { + this.#networkListener.stopListening(); + } + } + + #subscribeEvent(event) { + if (this.constructor.supportedEvents.includes(event)) { + this.#startListening(event); + } + } + + #unsubscribeEvent(event) { + if (this.constructor.supportedEvents.includes(event)) { + this.#stopListening(event); + } + } + + /** + * Internal commands + */ + + _applySessionData(params) { + // TODO: Bug 1775231. Move this logic to a shared module or an abstract + // class. + const { category } = params; + if (category === "event") { + const filteredSessionData = params.sessionData.filter(item => + this.messageHandler.matchesContext(item.contextDescriptor) + ); + for (const event of this.#subscribedEvents.values()) { + const hasSessionItem = filteredSessionData.some( + item => item.value === event + ); + // If there are no session items for this context, we should unsubscribe from the event. + if (!hasSessionItem) { + this.#unsubscribeEvent(event); + } + } + + // Subscribe to all events, which have an item in SessionData. + for (const { value } of filteredSessionData) { + this.#subscribeEvent(value); + } + } + } + + static get supportedEvents() { + return [ + "network.beforeRequestSent", + "network.responseCompleted", + "network.responseStarted", + ]; + } +} + +export const network = NetworkModule; diff --git a/remote/webdriver-bidi/modules/root/script.sys.mjs b/remote/webdriver-bidi/modules/root/script.sys.mjs new file mode 100644 index 0000000000..b5ab7fa30d --- /dev/null +++ b/remote/webdriver-bidi/modules/root/script.sys.mjs @@ -0,0 +1,747 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { Module } from "chrome://remote/content/shared/messagehandler/Module.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + assert: "chrome://remote/content/shared/webdriver/Assert.sys.mjs", + ContextDescriptorType: + "chrome://remote/content/shared/messagehandler/MessageHandler.sys.mjs", + error: "chrome://remote/content/shared/webdriver/Errors.sys.mjs", + generateUUID: "chrome://remote/content/shared/UUID.sys.mjs", + OwnershipModel: "chrome://remote/content/webdriver-bidi/RemoteValue.sys.mjs", + RealmType: "chrome://remote/content/shared/Realm.sys.mjs", + setDefaultAndAssertSerializationOptions: + "chrome://remote/content/webdriver-bidi/RemoteValue.sys.mjs", + TabManager: "chrome://remote/content/shared/TabManager.sys.mjs", + WindowGlobalMessageHandler: + "chrome://remote/content/shared/messagehandler/WindowGlobalMessageHandler.sys.mjs", +}); + +/** + * @typedef {string} ScriptEvaluateResultType + */ + +/** + * Enum of possible evaluation result types. + * + * @readonly + * @enum {ScriptEvaluateResultType} + */ +const ScriptEvaluateResultType = { + Exception: "exception", + Success: "success", +}; + +class ScriptModule extends Module { + #preloadScriptMap; + + constructor(messageHandler) { + super(messageHandler); + + // Map in which the keys are UUIDs, and the values are structs + // with an item named expression, which is a string, + // and an item named sandbox which is a string or null. + this.#preloadScriptMap = new Map(); + } + + destroy() { + this.#preloadScriptMap = null; + } + + /** + * Used as return value for script.addPreloadScript command. + * + * @typedef AddPreloadScriptResult + * + * @property {string} script + * The unique id associated with added preload script. + */ + + /** + * @typedef ChannelProperties + * + * @property {string} channel + * The channel id. + * @property {SerializationOptions=} serializationOptions + * An object which holds the information of how the result of evaluation + * in case of ECMAScript objects should be serialized. + * @property {OwnershipModel=} ownership + * The ownership model to use for the results of this evaluation. Defaults + * to `OwnershipModel.None`. + */ + + /** + * Represents a channel used to send custom messages from preload script + * to clients. + * + * @typedef ChannelValue + * + * @property {'channel'} type + * @property {ChannelProperties} value + */ + + /** + * Adds a preload script, which runs on creation of a new Window, + * before any author-defined script have run. + * + * @param {object=} options + * @param {Array<ChannelValue>=} options.arguments + * The arguments to pass to the function call. + * @param {string} options.functionDeclaration + * The expression to evaluate. + * @param {string=} options.sandbox + * The name of the sandbox. If the value is null or empty + * string, the default realm will be used. + * + * @returns {AddPreloadScriptResult} + * + * @throws {InvalidArgumentError} + * If any of the arguments does not have the expected type. + */ + async addPreloadScript(options = {}) { + const { + arguments: commandArguments = [], + functionDeclaration, + sandbox = null, + } = options; + + lazy.assert.string( + functionDeclaration, + `Expected "functionDeclaration" to be a string, got ${functionDeclaration}` + ); + + if (sandbox != null) { + lazy.assert.string( + sandbox, + `Expected "sandbox" to be a string, got ${sandbox}` + ); + } + + lazy.assert.array( + commandArguments, + `Expected "arguments" to be an array, got ${commandArguments}` + ); + lazy.assert.that( + commandArguments => + commandArguments.every(({ type, value }) => { + if (type === "channel") { + this.#assertChannelArgument(value); + return true; + } + return false; + }), + `One of the arguments has an unsupported type, only type "channel" is supported` + )(commandArguments); + + const script = lazy.generateUUID(); + const preloadScript = { + arguments: commandArguments, + functionDeclaration, + sandbox, + }; + + this.#preloadScriptMap.set(script, preloadScript); + + await this.messageHandler.addSessionDataItem({ + category: "preload-script", + moduleName: "script", + values: [ + { + ...preloadScript, + script, + }, + ], + contextDescriptor: { + type: lazy.ContextDescriptorType.All, + }, + }); + + return { script }; + } + + /** + * Used to represent a frame of a JavaScript stack trace. + * + * @typedef StackFrame + * + * @property {number} columnNumber + * @property {string} functionName + * @property {number} lineNumber + * @property {string} url + */ + + /** + * Used to represent a JavaScript stack at a point in script execution. + * + * @typedef StackTrace + * + * @property {Array<StackFrame>} callFrames + */ + + /** + * Used to represent a JavaScript exception. + * + * @typedef ExceptionDetails + * + * @property {number} columnNumber + * @property {RemoteValue} exception + * @property {number} lineNumber + * @property {StackTrace} stackTrace + * @property {string} text + */ + + /** + * Used as return value for script.evaluate, as one of the available variants + * {ScriptEvaluateResultException} or {ScriptEvaluateResultSuccess}. + * + * @typedef ScriptEvaluateResult + */ + + /** + * Used as return value for script.evaluate when the script completes with a + * thrown exception. + * + * @typedef ScriptEvaluateResultException + * + * @property {ExceptionDetails} exceptionDetails + * @property {string} realm + * @property {ScriptEvaluateResultType} [type=ScriptEvaluateResultType.Exception] + */ + + /** + * Used as return value for script.evaluate when the script completes + * normally. + * + * @typedef ScriptEvaluateResultSuccess + * + * @property {string} realm + * @property {RemoteValue} result + * @property {ScriptEvaluateResultType} [type=ScriptEvaluateResultType.Success] + */ + + /** + * Calls a provided function with given arguments and scope in the provided + * target, which is either a realm or a browsing context. + * + * @param {object=} options + * @param {Array<RemoteValue>=} options.arguments + * The arguments to pass to the function call. + * @param {boolean} options.awaitPromise + * Determines if the command should wait for the return value of the + * expression to resolve, if this return value is a Promise. + * @param {string} options.functionDeclaration + * The expression to evaluate. + * @param {OwnershipModel=} options.resultOwnership + * The ownership model to use for the results of this evaluation. Defaults + * to `OwnershipModel.None`. + * @param {SerializationOptions=} options.serializationOptions + * An object which holds the information of how the result of evaluation + * in case of ECMAScript objects should be serialized. + * @param {object} options.target + * The target for the evaluation, which either matches the definition for + * a RealmTarget or for ContextTarget. + * @param {RemoteValue=} options.this + * The value of the this keyword for the function call. + * + * @returns {ScriptEvaluateResult} + * + * @throws {InvalidArgumentError} + * If any of the arguments does not have the expected type. + * @throws {NoSuchFrameError} + * If the target cannot be found. + */ + async callFunction(options = {}) { + const { + arguments: commandArguments = null, + awaitPromise, + functionDeclaration, + resultOwnership = lazy.OwnershipModel.None, + serializationOptions, + target = {}, + this: thisParameter = null, + } = options; + + lazy.assert.string( + functionDeclaration, + `Expected "functionDeclaration" to be a string, got ${functionDeclaration}` + ); + + lazy.assert.boolean( + awaitPromise, + `Expected "awaitPromise" to be a boolean, got ${awaitPromise}` + ); + + this.#assertResultOwnership(resultOwnership); + + if (commandArguments != null) { + lazy.assert.array( + commandArguments, + `Expected "arguments" to be an array, got ${commandArguments}` + ); + commandArguments.forEach(({ type, value }) => { + if (type === "channel") { + this.#assertChannelArgument(value); + } + }); + } + + const { contextId, realmId, sandbox } = this.#assertTarget(target); + const context = await this.#getContextFromTarget({ contextId, realmId }); + const serializationOptionsWithDefaults = + lazy.setDefaultAndAssertSerializationOptions(serializationOptions); + const evaluationResult = await this.messageHandler.forwardCommand({ + moduleName: "script", + commandName: "callFunctionDeclaration", + destination: { + type: lazy.WindowGlobalMessageHandler.type, + id: context.id, + }, + params: { + awaitPromise, + commandArguments, + functionDeclaration, + realmId, + resultOwnership, + sandbox, + serializationOptions: serializationOptionsWithDefaults, + thisParameter, + }, + }); + + return this.#buildReturnValue(evaluationResult); + } + + /** + * The script.disown command disowns the given handles. This does not + * guarantee the handled object will be garbage collected, as there can be + * other handles or strong ECMAScript references. + * + * @param {object=} options + * @param {Array<string>} options.handles + * Array of handle ids to disown. + * @param {object} options.target + * The target owning the handles, which either matches the definition for + * a RealmTarget or for ContextTarget. + */ + async disown(options = {}) { + const { handles, target = {} } = options; + + lazy.assert.array( + handles, + `Expected "handles" to be an array, got ${handles}` + ); + handles.forEach(handle => { + lazy.assert.string( + handle, + `Expected "handles" to be an array of strings, got ${handle}` + ); + }); + + const { contextId, realmId, sandbox } = this.#assertTarget(target); + const context = await this.#getContextFromTarget({ contextId, realmId }); + await this.messageHandler.forwardCommand({ + moduleName: "script", + commandName: "disownHandles", + destination: { + type: lazy.WindowGlobalMessageHandler.type, + id: context.id, + }, + params: { + handles, + realmId, + sandbox, + }, + }); + } + + /** + * Evaluate a provided expression in the provided target, which is either a + * realm or a browsing context. + * + * @param {object=} options + * @param {boolean} options.awaitPromise + * Determines if the command should wait for the return value of the + * expression to resolve, if this return value is a Promise. + * @param {string} options.expression + * The expression to evaluate. + * @param {OwnershipModel=} options.resultOwnership + * The ownership model to use for the results of this evaluation. Defaults + * to `OwnershipModel.None`. + * @param {SerializationOptions=} options.serializationOptions + * An object which holds the information of how the result of evaluation + * in case of ECMAScript objects should be serialized. + * @param {object} options.target + * The target for the evaluation, which either matches the definition for + * a RealmTarget or for ContextTarget. + * + * @returns {ScriptEvaluateResult} + * + * @throws {InvalidArgumentError} + * If any of the arguments does not have the expected type. + * @throws {NoSuchFrameError} + * If the target cannot be found. + */ + async evaluate(options = {}) { + const { + awaitPromise, + expression: source, + resultOwnership = lazy.OwnershipModel.None, + serializationOptions, + target = {}, + } = options; + + lazy.assert.string( + source, + `Expected "expression" to be a string, got ${source}` + ); + + lazy.assert.boolean( + awaitPromise, + `Expected "awaitPromise" to be a boolean, got ${awaitPromise}` + ); + + this.#assertResultOwnership(resultOwnership); + + const { contextId, realmId, sandbox } = this.#assertTarget(target); + const context = await this.#getContextFromTarget({ contextId, realmId }); + const serializationOptionsWithDefaults = + lazy.setDefaultAndAssertSerializationOptions(serializationOptions); + const evaluationResult = await this.messageHandler.forwardCommand({ + moduleName: "script", + commandName: "evaluateExpression", + destination: { + type: lazy.WindowGlobalMessageHandler.type, + id: context.id, + }, + params: { + awaitPromise, + expression: source, + realmId, + resultOwnership, + sandbox, + serializationOptions: serializationOptionsWithDefaults, + }, + }); + + return this.#buildReturnValue(evaluationResult); + } + + /** + * An object that holds basic information about a realm. + * + * @typedef BaseRealmInfo + * + * @property {string} id + * The realm unique identifier. + * @property {string} origin + * The serialization of an origin. + */ + + /** + * + * @typedef WindowRealmInfoProperties + * + * @property {string} context + * The browsing context id, associated with the realm. + * @property {string=} sandbox + * The name of the sandbox. If the value is null or empty + * string, the default realm will be returned. + * @property {RealmType.Window} type + * The window realm type. + */ + + /* eslint-disable jsdoc/valid-types */ + /** + * An object that holds information about a window realm. + * + * @typedef {BaseRealmInfo & WindowRealmInfoProperties} WindowRealmInfo + */ + /* eslint-enable jsdoc/valid-types */ + + /** + * An object that holds information about a realm. + * + * @typedef {WindowRealmInfo} RealmInfo + */ + + /** + * An object that holds a list of realms. + * + * @typedef ScriptGetRealmsResult + * + * @property {Array<RealmInfo>} realms + * List of realms. + */ + + /** + * Returns a list of all realms, optionally filtered to realms + * of a specific type, or to the realms associated with + * a specified browsing context. + * + * @param {object=} options + * @param {string=} options.context + * The id of the browsing context to filter + * only realms associated with it. If not provided, return realms + * associated with all browsing contexts. + * @param {RealmType=} options.type + * Type of realm to filter. + * If not provided, return realms of all types. + * + * @returns {ScriptGetRealmsResult} + * + * @throws {InvalidArgumentError} + * If any of the arguments does not have the expected type. + * @throws {NoSuchFrameError} + * If the context cannot be found. + */ + async getRealms(options = {}) { + const { context: contextId = null, type = null } = options; + const destination = {}; + + if (contextId !== null) { + lazy.assert.string( + contextId, + `Expected "context" to be a string, got ${contextId}` + ); + destination.id = this.#getBrowsingContext(contextId).id; + } else { + destination.contextDescriptor = { + type: lazy.ContextDescriptorType.All, + }; + } + + if (type !== null) { + const supportedRealmTypes = Object.values(lazy.RealmType); + if (!supportedRealmTypes.includes(type)) { + throw new lazy.error.InvalidArgumentError( + `Expected "type" to be one of ${supportedRealmTypes}, got ${type}` + ); + } + + // Remove this check when other realm types are supported + if (type !== lazy.RealmType.Window) { + throw new lazy.error.UnsupportedOperationError( + `Unsupported "type": ${type}. Only "type" ${lazy.RealmType.Window} is currently supported.` + ); + } + } + + return { realms: await this.#getRealmInfos(destination) }; + } + + /** + * Removes a preload script. + * + * @param {object=} options + * @param {string} options.script + * The unique id associated with a preload script. + * + * @throws {InvalidArgumentError} + * If any of the arguments does not have the expected type. + * @throws {NoSuchScriptError} + * If the script cannot be found. + */ + async removePreloadScript(options = {}) { + const { script } = options; + + lazy.assert.string( + script, + `Expected "script" to be a string, got ${script}` + ); + + if (!this.#preloadScriptMap.has(script)) { + throw new lazy.error.NoSuchScriptError( + `Preload script with id ${script} not found` + ); + } + + const preloadScript = this.#preloadScriptMap.get(script); + + await this.messageHandler.removeSessionDataItem({ + category: "preload-script", + moduleName: "script", + values: [ + { + ...preloadScript, + script, + }, + ], + contextDescriptor: { + type: lazy.ContextDescriptorType.All, + }, + }); + + this.#preloadScriptMap.delete(script); + } + + #assertChannelArgument(value) { + lazy.assert.object(value); + const { + channel, + ownership = lazy.OwnershipModel.None, + serializationOptions, + } = value; + lazy.assert.string(channel); + lazy.setDefaultAndAssertSerializationOptions(serializationOptions); + lazy.assert.that( + ownership => + [lazy.OwnershipModel.None, lazy.OwnershipModel.Root].includes( + ownership + ), + `Expected "ownership" to be one of ${Object.values( + lazy.OwnershipModel + )}, got ${ownership}` + )(ownership); + + return true; + } + + #assertResultOwnership(resultOwnership) { + if ( + ![lazy.OwnershipModel.None, lazy.OwnershipModel.Root].includes( + resultOwnership + ) + ) { + throw new lazy.error.InvalidArgumentError( + `Expected "resultOwnership" to be one of ${Object.values( + lazy.OwnershipModel + )}, got ${resultOwnership}` + ); + } + } + + #assertTarget(target) { + lazy.assert.object( + target, + `Expected "target" to be an object, got ${target}` + ); + + const { + context: contextId = null, + realm: realmId = null, + sandbox = null, + } = target; + + if (realmId != null && (contextId != null || sandbox != null)) { + throw new lazy.error.InvalidArgumentError( + `A context and a realm reference are mutually exclusive` + ); + } + + if (contextId != null) { + lazy.assert.string( + contextId, + `Expected "context" to be a string, got ${contextId}` + ); + + if (sandbox != null) { + lazy.assert.string( + sandbox, + `Expected "sandbox" to be a string, got ${sandbox}` + ); + } + } else if (realmId != null) { + lazy.assert.string( + realmId, + `Expected "realm" to be a string, got ${realmId}` + ); + } else { + throw new lazy.error.InvalidArgumentError(`No context or realm provided`); + } + + return { contextId, realmId, sandbox }; + } + + #buildReturnValue(evaluationResult) { + const rv = { realm: evaluationResult.realmId }; + switch (evaluationResult.evaluationStatus) { + // TODO: Compare with EvaluationStatus.Normal after Bug 1774444 is fixed. + case "normal": + rv.type = ScriptEvaluateResultType.Success; + rv.result = evaluationResult.result; + break; + // TODO: Compare with EvaluationStatus.Throw after Bug 1774444 is fixed. + case "throw": + rv.type = ScriptEvaluateResultType.Exception; + rv.exceptionDetails = evaluationResult.exceptionDetails; + break; + default: + throw new lazy.error.UnsupportedOperationError( + `Unsupported evaluation status ${evaluationResult.evaluationStatus}` + ); + } + return rv; + } + + #getBrowsingContext(contextId) { + const context = lazy.TabManager.getBrowsingContextById(contextId); + if (context === null) { + throw new lazy.error.NoSuchFrameError( + `Browsing Context with id ${contextId} not found` + ); + } + + if (!context.currentWindowGlobal) { + throw new lazy.error.NoSuchFrameError( + `No window found for BrowsingContext with id ${contextId}` + ); + } + + return context; + } + + async #getContextFromTarget({ contextId, realmId }) { + if (contextId !== null) { + return this.#getBrowsingContext(contextId); + } + + const destination = { + contextDescriptor: { + type: lazy.ContextDescriptorType.All, + }, + }; + const realms = await this.#getRealmInfos(destination); + const realm = realms.find(realm => realm.realm == realmId); + + if (realm && realm.context !== null) { + return this.#getBrowsingContext(realm.context); + } + + throw new lazy.error.NoSuchFrameError(`Realm with id ${realmId} not found`); + } + + async #getRealmInfos(destination) { + let realms = await this.messageHandler.forwardCommand({ + moduleName: "script", + commandName: "getWindowRealms", + destination: { + type: lazy.WindowGlobalMessageHandler.type, + ...destination, + }, + }); + + const isBroadcast = !!destination.contextDescriptor; + if (!isBroadcast) { + realms = [realms]; + } + + return realms + .flat() + .map(realm => { + // Resolve browsing context to a TabManager id. + realm.context = lazy.TabManager.getIdForBrowsingContext(realm.context); + return realm; + }) + .filter(realm => realm.context !== null); + } + + static get supportedEvents() { + return ["script.message"]; + } +} + +export const script = ScriptModule; diff --git a/remote/webdriver-bidi/modules/root/session.sys.mjs b/remote/webdriver-bidi/modules/root/session.sys.mjs new file mode 100644 index 0000000000..3814ce9437 --- /dev/null +++ b/remote/webdriver-bidi/modules/root/session.sys.mjs @@ -0,0 +1,405 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { Module } from "chrome://remote/content/shared/messagehandler/Module.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + assert: "chrome://remote/content/shared/webdriver/Assert.sys.mjs", + ContextDescriptorType: + "chrome://remote/content/shared/messagehandler/MessageHandler.sys.mjs", + error: "chrome://remote/content/shared/webdriver/Errors.sys.mjs", + RootMessageHandler: + "chrome://remote/content/shared/messagehandler/RootMessageHandler.sys.mjs", + TabManager: "chrome://remote/content/shared/TabManager.sys.mjs", +}); + +class SessionModule extends Module { + #browsingContextIdEventMap; + #globalEventSet; + + constructor(messageHandler) { + super(messageHandler); + + // Map with top-level browsing context id keys and values + // that are a set of event names for events + // that are enabled in the given browsing context. + // TODO: Bug 1804417. Use navigable instead of browsing context id. + this.#browsingContextIdEventMap = new Map(); + + // Set of event names which are strings of the form [moduleName].[eventName] + // for events that are enabled for all browsing contexts. + // We should only add an actual event listener on the MessageHandler the + // first time an event is subscribed to. + this.#globalEventSet = new Set(); + } + + destroy() { + this.#browsingContextIdEventMap = null; + this.#globalEventSet = null; + } + + /** + * Commands + */ + + /** + * Enable certain events either globally, or for a list of browsing contexts. + * + * @param {object=} params + * @param {Array<string>} params.events + * List of events to subscribe to. + * @param {Array<string>=} params.contexts + * Optional list of top-level browsing context ids + * to subscribe the events for. + * + * @throws {InvalidArgumentError} + * If <var>events</var> or <var>contexts</var> are not valid types. + */ + async subscribe(params = {}) { + const { events, contexts: contextIds = null } = params; + + // Check input types until we run schema validation. + lazy.assert.array(events, "events: array value expected"); + events.forEach(name => { + lazy.assert.string(name, `${name}: string value expected`); + }); + + if (contextIds !== null) { + lazy.assert.array(contextIds, "contexts: array value expected"); + contextIds.forEach(contextId => { + lazy.assert.string(contextId, `${contextId}: string value expected`); + }); + } + + const listeners = this.#updateEventMap(events, contextIds, true); + + // TODO: Bug 1801284. Add subscribe priority sorting of subscribeStepEvents (step 4 to 6, and 8). + + // Subscribe to the relevant engine-internal events. + await this.messageHandler.eventsDispatcher.update(listeners); + } + + /** + * Disable certain events either globally, or for a list of browsing contexts. + * + * @param {object=} params + * @param {Array<string>} params.events + * List of events to unsubscribe from. + * @param {Array<string>=} params.contexts + * Optional list of top-level browsing context ids + * to unsubscribe the events from. + * + * @throws {InvalidArgumentError} + * If <var>events</var> or <var>contexts</var> are not valid types. + */ + async unsubscribe(params = {}) { + const { events, contexts: contextIds = null } = params; + + // Check input types until we run schema validation. + lazy.assert.array(events, "events: array value expected"); + events.forEach(name => { + lazy.assert.string(name, `${name}: string value expected`); + }); + if (contextIds !== null) { + lazy.assert.array(contextIds, "contexts: array value expected"); + contextIds.forEach(contextId => { + lazy.assert.string(contextId, `${contextId}: string value expected`); + }); + } + + const listeners = this.#updateEventMap(events, contextIds, false); + + // Unsubscribe from the relevant engine-internal events. + await this.messageHandler.eventsDispatcher.update(listeners); + } + + #assertModuleSupportsEvent(moduleName, event) { + const rootModuleClass = this.#getRootModuleClass(moduleName); + if (!rootModuleClass?.supportsEvent(event)) { + throw new lazy.error.InvalidArgumentError( + `${event} is not a valid event name` + ); + } + } + + #getBrowserIdForContextId(contextId) { + const context = lazy.TabManager.getBrowsingContextById(contextId); + if (!context) { + throw new lazy.error.NoSuchFrameError( + `Browsing context with id ${contextId} not found` + ); + } + + return context.browserId; + } + + #getRootModuleClass(moduleName) { + // Modules which support event subscriptions should have a root module + // defining supported events. + const rootDestination = { type: lazy.RootMessageHandler.type }; + const moduleClasses = this.messageHandler.getAllModuleClasses( + moduleName, + rootDestination + ); + + if (!moduleClasses.length) { + throw new lazy.error.InvalidArgumentError( + `Module ${moduleName} does not exist` + ); + } + + return moduleClasses[0]; + } + + #getTopBrowsingContextId(contextId) { + const context = lazy.TabManager.getBrowsingContextById(contextId); + if (!context) { + throw new lazy.error.NoSuchFrameError( + `Browsing context with id ${contextId} not found` + ); + } + const topContext = context.top; + return lazy.TabManager.getIdForBrowsingContext(topContext); + } + + /** + * Obtain a set of events based on the given event name. + * + * Could contain a period for a specific event, + * or just the module name for all events. + * + * @param {string} event + * Name of the event to process. + * + * @returns {Set<string>} + * A Set with the expanded events in the form of `<module>.<event>`. + * + * @throws {InvalidArgumentError} + * If <var>event</var> does not reference a valid event. + */ + #obtainEvents(event) { + const events = new Set(); + + // Check if a period is present that splits the event name into the module, + // and the actual event. Hereby only care about the first found instance. + const index = event.indexOf("."); + if (index >= 0) { + const [moduleName] = event.split("."); + this.#assertModuleSupportsEvent(moduleName, event); + events.add(event); + } else { + // Interpret the name as module, and register all its available events + const rootModuleClass = this.#getRootModuleClass(event); + const supportedEvents = rootModuleClass?.supportedEvents; + + for (const eventName of supportedEvents) { + events.add(eventName); + } + } + + return events; + } + + /** + * Obtain a list of event enabled browsing context ids. + * + * @see https://w3c.github.io/webdriver-bidi/#event-enabled-browsing-contexts + * + * @param {string} eventName + * The name of the event. + * + * @returns {Set<string>} The set of browsing context. + */ + #obtainEventEnabledBrowsingContextIds(eventName) { + const contextIds = new Set(); + for (const [ + contextId, + events, + ] of this.#browsingContextIdEventMap.entries()) { + if (events.has(eventName)) { + // Check that a browsing context still exists for a given id + const context = lazy.TabManager.getBrowsingContextById(contextId); + if (context) { + contextIds.add(contextId); + } + } + } + + return contextIds; + } + + #onMessageHandlerEvent = (name, event) => { + this.messageHandler.emitProtocolEvent(name, event); + }; + + /** + * Update global event state for top-level browsing contexts. + * + * @see https://w3c.github.io/webdriver-bidi/#update-the-event-map + * + * @param {Array<string>} requestedEventNames + * The list of the event names to run the update for. + * @param {Array<string>|null} browsingContextIds + * The list of the browsing context ids to update or null. + * @param {boolean} enabled + * True, if events have to be enabled. Otherwise false. + * + * @returns {Array<Subscription>} subscriptions + * The list of information to subscribe/unsubscribe to. + * + * @throws {InvalidArgumentError} + * If failed unsubscribe from event from <var>requestedEventNames</var> for + * browsing context id from <var>browsingContextIds</var>, if present. + */ + #updateEventMap(requestedEventNames, browsingContextIds, enabled) { + const globalEventSet = new Set(this.#globalEventSet); + const eventMap = structuredClone(this.#browsingContextIdEventMap); + + const eventNames = new Set(); + + requestedEventNames.forEach(name => { + this.#obtainEvents(name).forEach(event => eventNames.add(event)); + }); + const enabledEvents = new Map(); + const subscriptions = []; + + if (browsingContextIds === null) { + // Subscribe or unsubscribe events for all browsing contexts. + if (enabled) { + // Subscribe to each event. + + // Get the list of all top level browsing context ids. + const allTopBrowsingContextIds = lazy.TabManager.allBrowserUniqueIds; + + for (const eventName of eventNames) { + if (!globalEventSet.has(eventName)) { + const alreadyEnabledContextIds = + this.#obtainEventEnabledBrowsingContextIds(eventName); + globalEventSet.add(eventName); + for (const contextId of alreadyEnabledContextIds) { + eventMap.get(contextId).delete(eventName); + + // Since we're going to subscribe to all top-level + // browsing context ids to not have duplicate subscriptions, + // we have to unsubscribe from already subscribed. + subscriptions.push({ + event: eventName, + contextDescriptor: { + type: lazy.ContextDescriptorType.TopBrowsingContext, + id: this.#getBrowserIdForContextId(contextId), + }, + callback: this.#onMessageHandlerEvent, + enable: false, + }); + } + + // Get a list of all top-level browsing context ids + // that are not contained in alreadyEnabledContextIds. + const newlyEnabledContextIds = allTopBrowsingContextIds.filter( + contextId => !alreadyEnabledContextIds.has(contextId) + ); + + enabledEvents.set(eventName, newlyEnabledContextIds); + + subscriptions.push({ + event: eventName, + contextDescriptor: { + type: lazy.ContextDescriptorType.All, + }, + callback: this.#onMessageHandlerEvent, + enable: true, + }); + } + } + } else { + // Unsubscribe each event which has a global subscription. + for (const eventName of eventNames) { + if (globalEventSet.has(eventName)) { + globalEventSet.delete(eventName); + + subscriptions.push({ + event: eventName, + contextDescriptor: { + type: lazy.ContextDescriptorType.All, + }, + callback: this.#onMessageHandlerEvent, + enable: false, + }); + } else { + throw new lazy.error.InvalidArgumentError( + `Failed to unsubscribe from event ${eventName}` + ); + } + } + } + } else { + // Subscribe or unsubscribe events for given list of browsing context ids. + const targets = new Map(); + for (const contextId of browsingContextIds) { + const topLevelContextId = this.#getTopBrowsingContextId(contextId); + if (!eventMap.has(topLevelContextId)) { + eventMap.set(topLevelContextId, new Set()); + } + targets.set(topLevelContextId, eventMap.get(topLevelContextId)); + } + + for (const eventName of eventNames) { + // Do nothing if we want to subscribe, + // but the event has already a global subscription. + if (enabled && this.#globalEventSet.has(eventName)) { + continue; + } + for (const [contextId, target] of targets.entries()) { + // Subscribe if an event doesn't have a subscription for a specific context id. + if (enabled && !target.has(eventName)) { + target.add(eventName); + if (!enabledEvents.has(eventName)) { + enabledEvents.set(eventName, new Set()); + } + enabledEvents.get(eventName).add(contextId); + + subscriptions.push({ + event: eventName, + contextDescriptor: { + type: lazy.ContextDescriptorType.TopBrowsingContext, + id: this.#getBrowserIdForContextId(contextId), + }, + callback: this.#onMessageHandlerEvent, + enable: true, + }); + } else if (!enabled) { + // Unsubscribe from each event for a specific context id if the event has a subscription. + if (target.has(eventName)) { + target.delete(eventName); + + subscriptions.push({ + event: eventName, + contextDescriptor: { + type: lazy.ContextDescriptorType.TopBrowsingContext, + id: this.#getBrowserIdForContextId(contextId), + }, + callback: this.#onMessageHandlerEvent, + enable: false, + }); + } else { + throw new lazy.error.InvalidArgumentError( + `Failed to unsubscribe from event ${eventName} for context ${contextId}` + ); + } + } + } + } + } + + this.#globalEventSet = globalEventSet; + this.#browsingContextIdEventMap = eventMap; + + return subscriptions; + } +} + +// To export the class as lower-case +export const session = SessionModule; diff --git a/remote/webdriver-bidi/modules/windowglobal-in-root/browsingContext.sys.mjs b/remote/webdriver-bidi/modules/windowglobal-in-root/browsingContext.sys.mjs new file mode 100644 index 0000000000..68a220cee2 --- /dev/null +++ b/remote/webdriver-bidi/modules/windowglobal-in-root/browsingContext.sys.mjs @@ -0,0 +1,31 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { Module } from "chrome://remote/content/shared/messagehandler/Module.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + TabManager: "chrome://remote/content/shared/TabManager.sys.mjs", +}); + +class BrowsingContextModule extends Module { + destroy() {} + + interceptEvent(name, payload) { + if ( + name == "browsingContext.domContentLoaded" || + name == "browsingContext.load" + ) { + // Resolve browsing context to a TabManager id. + payload.context = lazy.TabManager.getIdForBrowsingContext( + payload.context + ); + } + + return payload; + } +} + +export const browsingContext = BrowsingContextModule; diff --git a/remote/webdriver-bidi/modules/windowglobal-in-root/log.sys.mjs b/remote/webdriver-bidi/modules/windowglobal-in-root/log.sys.mjs new file mode 100644 index 0000000000..e6f62a29ad --- /dev/null +++ b/remote/webdriver-bidi/modules/windowglobal-in-root/log.sys.mjs @@ -0,0 +1,28 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { Module } from "chrome://remote/content/shared/messagehandler/Module.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + TabManager: "chrome://remote/content/shared/TabManager.sys.mjs", +}); + +class LogModule extends Module { + destroy() {} + + interceptEvent(name, payload) { + if (name == "log.entryAdded") { + // Resolve browsing context to a TabManager id. + payload.source.context = lazy.TabManager.getIdForBrowsingContext( + payload.source.context + ); + } + + return payload; + } +} + +export const log = LogModule; diff --git a/remote/webdriver-bidi/modules/windowglobal-in-root/script.sys.mjs b/remote/webdriver-bidi/modules/windowglobal-in-root/script.sys.mjs new file mode 100644 index 0000000000..c894541743 --- /dev/null +++ b/remote/webdriver-bidi/modules/windowglobal-in-root/script.sys.mjs @@ -0,0 +1,28 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { Module } from "chrome://remote/content/shared/messagehandler/Module.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + TabManager: "chrome://remote/content/shared/TabManager.sys.mjs", +}); + +class ScriptModule extends Module { + destroy() {} + + interceptEvent(name, payload) { + if (name == "script.message") { + // Resolve browsing context to a TabManager id. + payload.source.context = lazy.TabManager.getIdForBrowsingContext( + payload.source.context + ); + } + + return payload; + } +} + +export const script = ScriptModule; diff --git a/remote/webdriver-bidi/modules/windowglobal/browsingContext.sys.mjs b/remote/webdriver-bidi/modules/windowglobal/browsingContext.sys.mjs new file mode 100644 index 0000000000..675626353c --- /dev/null +++ b/remote/webdriver-bidi/modules/windowglobal/browsingContext.sys.mjs @@ -0,0 +1,159 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { WindowGlobalBiDiModule } from "chrome://remote/content/webdriver-bidi/modules/WindowGlobalBiDiModule.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + LoadListener: "chrome://remote/content/shared/listeners/LoadListener.sys.mjs", +}); + +class BrowsingContextModule extends WindowGlobalBiDiModule { + #loadListener; + #subscribedEvents; + + constructor(messageHandler) { + super(messageHandler); + + // Setup the LoadListener as early as possible. + this.#loadListener = new lazy.LoadListener(this.messageHandler.window); + this.#loadListener.on("DOMContentLoaded", this.#onDOMContentLoaded); + this.#loadListener.on("load", this.#onLoad); + + // Set of event names which have active subscriptions. + this.#subscribedEvents = new Set(); + } + + destroy() { + this.#loadListener.destroy(); + this.#subscribedEvents = null; + } + + #getNavigationInfo(data) { + return { + context: this.messageHandler.context, + // TODO: The navigation id should be a real id mapped to the navigation. + // See https://bugzilla.mozilla.org/show_bug.cgi?id=1763122 + navigation: null, + timestamp: Date.now(), + url: data.target.URL, + }; + } + + #startListening() { + if (this.#subscribedEvents.size == 0) { + this.#loadListener.startListening(); + } + } + + #stopListening() { + if (this.#subscribedEvents.size == 0) { + this.#loadListener.stopListening(); + } + } + + #subscribeEvent(event) { + switch (event) { + case "browsingContext._documentInteractive": + this.#startListening(); + this.#subscribedEvents.add("browsingContext._documentInteractive"); + break; + case "browsingContext.domContentLoaded": + this.#startListening(); + this.#subscribedEvents.add("browsingContext.domContentLoaded"); + break; + case "browsingContext.load": + this.#startListening(); + this.#subscribedEvents.add("browsingContext.load"); + break; + } + } + + #unsubscribeEvent(event) { + switch (event) { + case "browsingContext._documentInteractive": + this.#subscribedEvents.delete("browsingContext._documentInteractive"); + break; + case "browsingContext.domContentLoaded": + this.#subscribedEvents.delete("browsingContext.domContentLoaded"); + break; + case "browsingContext.load": + this.#subscribedEvents.delete("browsingContext.load"); + break; + } + + this.#stopListening(); + } + + #onDOMContentLoaded = (eventName, data) => { + if (this.#subscribedEvents.has("browsingContext._documentInteractive")) { + this.messageHandler.emitEvent("browsingContext._documentInteractive", { + baseURL: data.target.baseURI, + contextId: this.messageHandler.contextId, + documentURL: data.target.URL, + innerWindowId: this.messageHandler.innerWindowId, + readyState: data.target.readyState, + }); + } + + if (this.#subscribedEvents.has("browsingContext.domContentLoaded")) { + this.emitEvent( + "browsingContext.domContentLoaded", + this.#getNavigationInfo(data) + ); + } + }; + + #onLoad = (eventName, data) => { + if (this.#subscribedEvents.has("browsingContext.load")) { + this.emitEvent("browsingContext.load", this.#getNavigationInfo(data)); + } + }; + + /** + * Internal commands + */ + + _applySessionData(params) { + // TODO: Bug 1775231. Move this logic to a shared module or an abstract + // class. + const { category } = params; + if (category === "event") { + const filteredSessionData = params.sessionData.filter(item => + this.messageHandler.matchesContext(item.contextDescriptor) + ); + for (const event of this.#subscribedEvents.values()) { + const hasSessionItem = filteredSessionData.some( + item => item.value === event + ); + // If there are no session items for this context, we should unsubscribe from the event. + if (!hasSessionItem) { + this.#unsubscribeEvent(event); + } + } + + // Subscribe to all events, which have an item in SessionData. + for (const { value } of filteredSessionData) { + this.#subscribeEvent(value); + } + } + } + + _getBaseURL() { + return this.messageHandler.window.document.baseURI; + } + + _getScreenshotRect() { + const win = this.messageHandler.window; + return new DOMRect( + win.pageXOffset, + win.pageYOffset, + win.innerWidth, + win.innerHeight + ); + } +} + +export const browsingContext = BrowsingContextModule; diff --git a/remote/webdriver-bidi/modules/windowglobal/input.sys.mjs b/remote/webdriver-bidi/modules/windowglobal/input.sys.mjs new file mode 100644 index 0000000000..24259151ee --- /dev/null +++ b/remote/webdriver-bidi/modules/windowglobal/input.sys.mjs @@ -0,0 +1,103 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { WindowGlobalBiDiModule } from "chrome://remote/content/webdriver-bidi/modules/WindowGlobalBiDiModule.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + action: "chrome://remote/content/shared/webdriver/Actions.sys.mjs", + deserialize: "chrome://remote/content/webdriver-bidi/RemoteValue.sys.mjs", + element: "chrome://remote/content/marionette/element.sys.mjs", + error: "chrome://remote/content/shared/webdriver/Errors.sys.mjs", +}); + +class InputModule extends WindowGlobalBiDiModule { + #actionState; + + constructor(messageHandler) { + super(messageHandler); + + this.#actionState = null; + } + + destroy() {} + + async performActions(options) { + const { actions } = options; + if (this.#actionState === null) { + this.#actionState = new lazy.action.State({ + specCompatPointerOrigin: true, + }); + } + + await this.#deserializeActionOrigins(actions); + const actionChain = lazy.action.Chain.fromJSON(this.#actionState, actions); + await actionChain.dispatch(this.#actionState, this.messageHandler.window); + } + + async releaseActions() { + if (this.#actionState === null) { + return; + } + await this.#actionState.release(this.messageHandler.window); + this.#actionState = null; + } + + /** + * In the provided array of input.SourceActions, replace all origins matching + * the input.ElementOrigin production with the Element corresponding to this + * origin. + * + * Note that this method replaces the content of the `actions` in place, and + * does not return a new array. + * + * @param {Array<input.SourceActions>} actions + * The array of SourceActions to deserialize. + * @returns {Promise} + * A promise which resolves when all ElementOrigin origins have been + * deserialized. + */ + async #deserializeActionOrigins(actions) { + const promises = []; + for (const actionsByTick of actions) { + for (const action of actionsByTick.actions) { + if (action.origin?.type === "element") { + promises.push( + (async () => { + action.origin = await this.#getElementFromElementOrigin( + action.origin + ); + })() + ); + } + } + } + return Promise.all(promises); + } + + async #getElementFromElementOrigin(origin) { + const sharedReference = origin.element; + if (typeof sharedReference?.sharedId !== "string") { + throw new lazy.error.InvalidArgumentError( + `Expected "origin.element" to be a SharedReference, got: ${sharedReference}` + ); + } + + const realm = this.messageHandler.getRealm(); + + const element = lazy.deserialize(realm, sharedReference, { + nodeCache: this.nodeCache, + }); + if (!lazy.element.isElement(element)) { + throw new lazy.error.NoSuchElementError( + `No element found for shared id: ${sharedReference.sharedId}` + ); + } + + return element; + } +} + +export const input = InputModule; diff --git a/remote/webdriver-bidi/modules/windowglobal/log.sys.mjs b/remote/webdriver-bidi/modules/windowglobal/log.sys.mjs new file mode 100644 index 0000000000..ad83253804 --- /dev/null +++ b/remote/webdriver-bidi/modules/windowglobal/log.sys.mjs @@ -0,0 +1,258 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { WindowGlobalBiDiModule } from "chrome://remote/content/webdriver-bidi/modules/WindowGlobalBiDiModule.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + ConsoleAPIListener: + "chrome://remote/content/shared/listeners/ConsoleAPIListener.sys.mjs", + ConsoleListener: + "chrome://remote/content/shared/listeners/ConsoleListener.sys.mjs", + isChromeFrame: "chrome://remote/content/shared/Stack.sys.mjs", + OwnershipModel: "chrome://remote/content/webdriver-bidi/RemoteValue.sys.mjs", + serialize: "chrome://remote/content/webdriver-bidi/RemoteValue.sys.mjs", + setDefaultSerializationOptions: + "chrome://remote/content/webdriver-bidi/RemoteValue.sys.mjs", +}); + +class LogModule extends WindowGlobalBiDiModule { + #consoleAPIListener; + #consoleMessageListener; + #subscribedEvents; + + constructor(messageHandler) { + super(messageHandler); + + // Create the console-api listener and listen on "message" events. + this.#consoleAPIListener = new lazy.ConsoleAPIListener( + this.messageHandler.innerWindowId + ); + this.#consoleAPIListener.on("message", this.#onConsoleAPIMessage); + + // Create the console listener and listen on error messages. + this.#consoleMessageListener = new lazy.ConsoleListener( + this.messageHandler.innerWindowId + ); + this.#consoleMessageListener.on("error", this.#onJavaScriptError); + + // Set of event names which have active subscriptions. + this.#subscribedEvents = new Set(); + } + + destroy() { + this.#consoleAPIListener.off("message", this.#onConsoleAPIMessage); + this.#consoleAPIListener.destroy(); + this.#consoleMessageListener.off("error", this.#onJavaScriptError); + this.#consoleMessageListener.destroy(); + + this.#subscribedEvents = null; + } + + #buildSource(realm) { + return { + realm: realm.id, + context: this.messageHandler.context, + }; + } + + /** + * Map the internal stacktrace representation to a WebDriver BiDi + * compatible one. + * + * Currently chrome frames will be filtered out until chrome scope + * is supported (bug 1722679). + * + * @param {Array<StackFrame>=} stackTrace + * Stack frames to process. + * + * @returns {object=} Object, containing the list of frames as `callFrames`. + */ + #buildStackTrace(stackTrace) { + if (stackTrace == undefined) { + return undefined; + } + + const callFrames = stackTrace + .filter(frame => !lazy.isChromeFrame(frame)) + .map(frame => { + return { + columnNumber: frame.columnNumber - 1, + functionName: frame.functionName, + lineNumber: frame.lineNumber - 1, + url: frame.filename, + }; + }); + + return { callFrames }; + } + + #getLogEntryLevelFromConsoleMethod(method) { + switch (method) { + case "assert": + case "error": + return "error"; + case "debug": + case "trace": + return "debug"; + case "warn": + return "warn"; + default: + return "info"; + } + } + + #onConsoleAPIMessage = (eventName, data = {}) => { + const { + // `arguments` cannot be used as variable name in functions + arguments: messageArguments, + // `level` corresponds to the console method used + level: method, + stacktrace, + timeStamp, + } = data; + + // Step numbers below refer to the specifications at + // https://w3c.github.io/webdriver-bidi/#event-log-entryAdded + + // Translate the console message method to a log.LogEntry level + const logEntrylevel = this.#getLogEntryLevelFromConsoleMethod(method); + + // Use the message's timeStamp or fallback on the current time value. + const timestamp = timeStamp || Date.now(); + + // Start assembling the text representation of the message. + let text = ""; + + // Formatters have already been applied at this points. + // message.arguments corresponds to the "formatted args" from the + // specifications. + + // Concatenate all formatted arguments in text + // TODO: For m1 we only support string arguments, so we rely on the builtin + // toString for each argument which will be available in message.arguments. + const args = messageArguments || []; + text += args.map(String).join(" "); + + // Serialize each arg as remote value. + const defaultRealm = this.messageHandler.getRealm(); + const nodeCache = this.nodeCache; + const serializedArgs = []; + for (const arg of args) { + // Note that we can pass a default realm for now since realms are only + // involved when creating object references, which will not happen with + // OwnershipModel.None. This will be revisited in Bug 1742589. + serializedArgs.push( + lazy.serialize( + Cu.waiveXrays(arg), + lazy.setDefaultSerializationOptions(), + lazy.OwnershipModel.None, + new Map(), + defaultRealm, + { + nodeCache, + } + ) + ); + } + + // Set source to an object which contains realm and browsing context. + // TODO: Bug 1742589. Use an actual realm from which the event came from. + const source = this.#buildSource(defaultRealm); + + // Set stack trace only for certain methods. + let stackTrace; + if (["assert", "error", "trace", "warn"].includes(method)) { + stackTrace = this.#buildStackTrace(stacktrace); + } + + // Build the ConsoleLogEntry + const entry = { + type: "console", + method, + source, + args: serializedArgs, + level: logEntrylevel, + text, + timestamp, + stackTrace, + }; + + // TODO: Those steps relate to: + // - emitting associated BrowsingContext. See log.entryAdded full support + // in https://bugzilla.mozilla.org/show_bug.cgi?id=1724669#c0 + // - handling cases where session doesn't exist or the event is not + // monitored. The implementation differs from the spec here because we + // only react to events if there is a session & if the session subscribed + // to those events. + + this.emitEvent("log.entryAdded", entry); + }; + + #onJavaScriptError = (eventName, data = {}) => { + const { level, message, stacktrace, timeStamp } = data; + const defaultRealm = this.messageHandler.getRealm(); + + // Build the JavascriptLogEntry + const entry = { + type: "javascript", + level, + // TODO: Bug 1742589. Use an actual realm from which the event came from. + source: this.#buildSource(defaultRealm), + text: message, + timestamp: timeStamp || Date.now(), + stackTrace: this.#buildStackTrace(stacktrace), + }; + + this.emitEvent("log.entryAdded", entry); + }; + + #subscribeEvent(event) { + if (event === "log.entryAdded") { + this.#consoleAPIListener.startListening(); + this.#consoleMessageListener.startListening(); + this.#subscribedEvents.add(event); + } + } + + #unsubscribeEvent(event) { + if (event === "log.entryAdded") { + this.#consoleAPIListener.stopListening(); + this.#consoleMessageListener.stopListening(); + this.#subscribedEvents.delete(event); + } + } + + /** + * Internal commands + */ + + _applySessionData(params) { + // TODO: Bug 1775231. Move this logic to a shared module or an abstract + // class. + const { category } = params; + if (category === "event") { + const filteredSessionData = params.sessionData.filter(item => + this.messageHandler.matchesContext(item.contextDescriptor) + ); + for (const event of this.#subscribedEvents.values()) { + const hasSessionItem = filteredSessionData.some( + item => item.value === event + ); + // If there are no session items for this context, we should unsubscribe from the event. + if (!hasSessionItem) { + this.#unsubscribeEvent(event); + } + } + + // Subscribe to all events, which have an item in SessionData. + for (const { value } of filteredSessionData) { + this.#subscribeEvent(value); + } + } + } +} + +export const log = LogModule; diff --git a/remote/webdriver-bidi/modules/windowglobal/script.sys.mjs b/remote/webdriver-bidi/modules/windowglobal/script.sys.mjs new file mode 100644 index 0000000000..7b88f5c96e --- /dev/null +++ b/remote/webdriver-bidi/modules/windowglobal/script.sys.mjs @@ -0,0 +1,483 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { WindowGlobalBiDiModule } from "chrome://remote/content/webdriver-bidi/modules/WindowGlobalBiDiModule.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + deserialize: "chrome://remote/content/webdriver-bidi/RemoteValue.sys.mjs", + error: "chrome://remote/content/shared/webdriver/Errors.sys.mjs", + getFramesFromStack: "chrome://remote/content/shared/Stack.sys.mjs", + isChromeFrame: "chrome://remote/content/shared/Stack.sys.mjs", + OwnershipModel: "chrome://remote/content/webdriver-bidi/RemoteValue.sys.mjs", + serialize: "chrome://remote/content/webdriver-bidi/RemoteValue.sys.mjs", + setDefaultSerializationOptions: + "chrome://remote/content/webdriver-bidi/RemoteValue.sys.mjs", + stringify: "chrome://remote/content/webdriver-bidi/RemoteValue.sys.mjs", +}); + +/** + * @typedef {string} EvaluationStatus + */ + +/** + * Enum of possible evaluation states. + * + * @readonly + * @enum {EvaluationStatus} + */ +const EvaluationStatus = { + Normal: "normal", + Throw: "throw", +}; + +class ScriptModule extends WindowGlobalBiDiModule { + #observerListening; + #preloadScripts; + + constructor(messageHandler) { + super(messageHandler); + + // Set of structs with an item named expression, which is a string, + // and an item named sandbox which is a string or null. + this.#preloadScripts = new Set(); + } + + destroy() { + this.#preloadScripts = null; + + this.#stopObserving(); + } + + observe(subject, topic) { + if (topic !== "document-element-inserted") { + return; + } + + const window = subject?.defaultView; + + // Ignore events without a window and those from other tabs. + if (window === this.messageHandler.window) { + this.#evaluatePreloadScripts(); + } + } + + #buildExceptionDetails(exception, stack, realm, resultOwnership, options) { + exception = this.#toRawObject(exception); + + // A stacktrace is mandatory to build exception details and a missing stack + // means we encountered an unexpected issue. Throw with an explicit error. + if (!stack) { + throw new Error( + `Missing stack, unable to build exceptionDetails for exception: ${lazy.stringify( + exception + )}` + ); + } + + const frames = lazy.getFramesFromStack(stack) || []; + const callFrames = frames + // Remove chrome/internal frames + .filter(frame => !lazy.isChromeFrame(frame)) + // Translate frames from getFramesFromStack to frames expected by + // WebDriver BiDi. + .map(frame => { + return { + columnNumber: frame.columnNumber - 1, + functionName: frame.functionName, + lineNumber: frame.lineNumber - 1, + url: frame.filename, + }; + }); + + return { + columnNumber: stack.column - 1, + exception: lazy.serialize( + exception, + lazy.setDefaultSerializationOptions(), + resultOwnership, + new Map(), + realm, + options + ), + lineNumber: stack.line - 1, + stackTrace: { callFrames }, + text: lazy.stringify(exception), + }; + } + + async #buildReturnValue( + rv, + realm, + awaitPromise, + resultOwnership, + serializationOptions, + options + ) { + let evaluationStatus, exception, result, stack; + + if ("return" in rv) { + evaluationStatus = EvaluationStatus.Normal; + if ( + awaitPromise && + // Only non-primitive return values are wrapped in Debugger.Object. + rv.return instanceof Debugger.Object && + rv.return.isPromise + ) { + try { + // Force wrapping the promise resolution result in a Debugger.Object + // wrapper for consistency with the synchronous codepath. + const asyncResult = await rv.return.unsafeDereference(); + result = realm.globalObjectReference.makeDebuggeeValue(asyncResult); + } catch (asyncException) { + evaluationStatus = EvaluationStatus.Throw; + exception = + realm.globalObjectReference.makeDebuggeeValue(asyncException); + + // If the returned promise was rejected by calling its reject callback + // the stack will be available on promiseResolutionSite. + // Otherwise, (eg. rejected Promise chained with a then() call) we + // fallback on the promiseAllocationSite. + stack = + rv.return.promiseResolutionSite || rv.return.promiseAllocationSite; + } + } else { + // rv.return is a Debugger.Object or a primitive. + result = rv.return; + } + } else if ("throw" in rv) { + // rv.throw will be set if the evaluation synchronously failed, either if + // the script contains a syntax error or throws an exception. + evaluationStatus = EvaluationStatus.Throw; + exception = rv.throw; + stack = rv.stack; + } + + switch (evaluationStatus) { + case EvaluationStatus.Normal: + return { + evaluationStatus, + result: lazy.serialize( + this.#toRawObject(result), + serializationOptions, + resultOwnership, + new Map(), + realm, + options + ), + realmId: realm.id, + }; + case EvaluationStatus.Throw: + return { + evaluationStatus, + exceptionDetails: this.#buildExceptionDetails( + exception, + stack, + realm, + resultOwnership, + options + ), + realmId: realm.id, + }; + default: + throw new lazy.error.UnsupportedOperationError( + `Unsupported completion value for expression evaluation` + ); + } + } + + /** + * Emit "script.message" event with provided data. + * + * @param {Realm} realm + * @param {ChannelProperties} channelProperties + * @param {RemoteValue} message + */ + #emitScriptMessage = (realm, channelProperties, message) => { + const { + channel, + ownership: ownershipType = lazy.OwnershipModel.None, + serializationOptions, + } = channelProperties; + + const data = lazy.serialize( + this.#toRawObject(message), + lazy.setDefaultSerializationOptions(serializationOptions), + ownershipType, + new Map(), + realm + ); + + this.emitEvent("script.message", { + channel, + data, + source: this.#getSource(realm), + }); + }; + + #evaluatePreloadScripts() { + let resolveBlockerPromise; + const blockerPromise = new Promise(resolve => { + resolveBlockerPromise = resolve; + }); + + // Block script parsing. + this.messageHandler.window.document.blockParsing(blockerPromise); + for (const script of this.#preloadScripts.values()) { + const { + arguments: commandArguments, + functionDeclaration, + sandbox, + } = script; + const realm = this.messageHandler.getRealm({ sandboxName: sandbox }); + const deserializedArguments = commandArguments.map(arg => + lazy.deserialize(realm, arg, { + emitScriptMessage: this.#emitScriptMessage, + }) + ); + const rv = realm.executeInGlobalWithBindings( + functionDeclaration, + deserializedArguments + ); + + if ("throw" in rv) { + const exception = this.#toRawObject(rv.throw); + realm.reportError(lazy.stringify(exception), rv.stack); + } + } + + // Continue script parsing. + resolveBlockerPromise(); + } + + #getSource(realm) { + return { + realm: realm.id, + context: this.messageHandler.context, + }; + } + + #startObserving() { + if (!this.#observerListening) { + Services.obs.addObserver(this, "document-element-inserted"); + this.#observerListening = true; + } + } + + #stopObserving() { + if (this.#observerListening) { + Services.obs.removeObserver(this, "document-element-inserted"); + this.#observerListening = false; + } + } + + #toRawObject(maybeDebuggerObject) { + if (maybeDebuggerObject instanceof Debugger.Object) { + // Retrieve the referent for the provided Debugger.object. + // See https://firefox-source-docs.mozilla.org/devtools-user/debugger-api/debugger.object/index.html + const rawObject = maybeDebuggerObject.unsafeDereference(); + + // TODO: Getters for Maps and Sets iterators return "Opaque" objects and + // are not iterable. RemoteValue.jsm' serializer should handle calling + // waiveXrays on Maps/Sets/... and then unwaiveXrays on entries but since + // we serialize with maxDepth=1, calling waiveXrays once on the root + // object allows to return correctly serialized values. + return Cu.waiveXrays(rawObject); + } + + // If maybeDebuggerObject was not a Debugger.Object, it is a primitive value + // which can be used as is. + return maybeDebuggerObject; + } + + /** + * Call a function in the current window global. + * + * @param {object} options + * @param {boolean} options.awaitPromise + * Determines if the command should wait for the return value of the + * expression to resolve, if this return value is a Promise. + * @param {Array<RemoteValue>=} options.commandArguments + * The arguments to pass to the function call. + * @param {string} options.functionDeclaration + * The body of the function to call. + * @param {string=} options.realmId + * The id of the realm. + * @param {OwnershipModel} options.resultOwnership + * The ownership model to use for the results of this evaluation. + * @param {string=} options.sandbox + * The name of the sandbox. + * @param {SerializationOptions=} options.serializationOptions + * An object which holds the information of how the result of evaluation + * in case of ECMAScript objects should be serialized. + * @param {RemoteValue=} options.thisParameter + * The value of the this keyword for the function call. + * + * @returns {object} + * - evaluationStatus {EvaluationStatus} One of "normal", "throw". + * - exceptionDetails {ExceptionDetails=} the details of the exception if + * the evaluation status was "throw". + * - result {RemoteValue=} the result of the evaluation serialized as a + * RemoteValue if the evaluation status was "normal". + */ + async callFunctionDeclaration(options) { + const { + awaitPromise, + commandArguments = null, + functionDeclaration, + realmId = null, + resultOwnership, + sandbox: sandboxName = null, + serializationOptions, + thisParameter = null, + } = options; + + const realm = this.messageHandler.getRealm({ realmId, sandboxName }); + const nodeCache = this.nodeCache; + + const deserializedArguments = + commandArguments !== null + ? commandArguments.map(arg => + lazy.deserialize(realm, arg, { + emitScriptMessage: this.#emitScriptMessage, + nodeCache, + }) + ) + : []; + + const deserializedThis = + thisParameter !== null + ? lazy.deserialize(realm, thisParameter, { + emitScriptMessage: this.#emitScriptMessage, + nodeCache, + }) + : null; + + const rv = realm.executeInGlobalWithBindings( + functionDeclaration, + deserializedArguments, + deserializedThis + ); + + return this.#buildReturnValue( + rv, + realm, + awaitPromise, + resultOwnership, + serializationOptions, + { + nodeCache, + } + ); + } + + /** + * Delete the provided handles from the realm corresponding to the provided + * sandbox name. + * + * @param {object=} options + * @param {Array<string>} options.handles + * Array of handle ids to disown. + * @param {string=} options.realmId + * The id of the realm. + * @param {string=} options.sandbox + * The name of the sandbox. + */ + disownHandles(options) { + const { handles, realmId = null, sandbox: sandboxName = null } = options; + const realm = this.messageHandler.getRealm({ realmId, sandboxName }); + for (const handle of handles) { + realm.removeObjectHandle(handle); + } + } + + /** + * Evaluate a provided expression in the current window global. + * + * @param {object} options + * @param {boolean} options.awaitPromise + * Determines if the command should wait for the return value of the + * expression to resolve, if this return value is a Promise. + * @param {string} options.expression + * The expression to evaluate. + * @param {string=} options.realmId + * The id of the realm. + * @param {OwnershipModel} options.resultOwnership + * The ownership model to use for the results of this evaluation. + * @param {string=} options.sandbox + * The name of the sandbox. + * + * @returns {object} + * - evaluationStatus {EvaluationStatus} One of "normal", "throw". + * - exceptionDetails {ExceptionDetails=} the details of the exception if + * the evaluation status was "throw". + * - result {RemoteValue=} the result of the evaluation serialized as a + * RemoteValue if the evaluation status was "normal". + */ + async evaluateExpression(options) { + const { + awaitPromise, + expression, + realmId = null, + resultOwnership, + sandbox: sandboxName = null, + serializationOptions, + } = options; + + const realm = this.messageHandler.getRealm({ realmId, sandboxName }); + + const rv = realm.executeInGlobal(expression); + + return this.#buildReturnValue( + rv, + realm, + awaitPromise, + resultOwnership, + serializationOptions, + { + nodeCache: this.nodeCache, + } + ); + } + + /** + * Get realms for the current window global. + * + * @returns {Array<object>} + * - context {BrowsingContext} The browsing context, associated with the realm. + * - origin {string} The serialization of an origin. + * - realm {string} The realm unique identifier. + * - sandbox {string=} The name of the sandbox. + * - type {RealmType.Window} The window realm type. + */ + getWindowRealms() { + return Array.from(this.messageHandler.realms.values()).map(realm => { + const { context, origin, realm: id, sandbox, type } = realm.getInfo(); + return { context, origin, realm: id, sandbox, type }; + }); + } + + /** + * Internal commands + */ + + _applySessionData(params) { + // We only care about updates coming on context creation. + if (params.category === "preload-script" && params.initial) { + this.#preloadScripts = new Set(); + for (const item of params.sessionData) { + if (this.messageHandler.matchesContext(item.contextDescriptor)) { + this.#preloadScripts.add(item.value); + } + } + + if (this.#preloadScripts.size) { + this.#startObserving(); + } + } + } +} + +export const script = ScriptModule; |