"use strict";
/**
 * Copyright 2022 Google LLC.
 * Copyright (c) Microsoft Corporation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
exports.BrowsingContextImpl = void 0;
exports.serializeOrigin = serializeOrigin;
const protocol_js_1 = require("../../../protocol/protocol.js");
const assert_js_1 = require("../../../utils/assert.js");
const Deferred_js_1 = require("../../../utils/Deferred.js");
const log_js_1 = require("../../../utils/log.js");
const time_js_1 = require("../../../utils/time.js");
const unitConversions_js_1 = require("../../../utils/unitConversions.js");
const WindowRealm_js_1 = require("../script/WindowRealm.js");
const NavigationTracker_js_1 = require("./NavigationTracker.js");
class BrowsingContextImpl {
    static LOGGER_PREFIX = `${log_js_1.LogType.debug}:browsingContext`;
    /** Direct children browsing contexts. */
    #children = new Set();
    /** The ID of this browsing context. */
    #id;
    userContext;
    /**
     * The ID of the parent browsing context.
     * If null, this is a top-level context.
     */
    #loaderId;
    #parentId = null;
    // Keeps track of the previously set viewport.
    #previousViewport = { width: 0, height: 0 };
    #originalOpener;
    #lifecycle = {
        DOMContentLoaded: new Deferred_js_1.Deferred(),
        load: new Deferred_js_1.Deferred(),
    };
    #cdpTarget;
    #defaultRealmDeferred = new Deferred_js_1.Deferred();
    #browsingContextStorage;
    #eventManager;
    #logger;
    #navigationTracker;
    #realmStorage;
    // The deferred will be resolved when the default realm is created.
    #unhandledPromptBehavior;
    // Set when the user prompt is opened. Required to provide the type in closing event.
    #lastUserPromptType;
    constructor(id, parentId, userContext, cdpTarget, eventManager, browsingContextStorage, realmStorage, url, originalOpener, unhandledPromptBehavior, logger) {
        this.#cdpTarget = cdpTarget;
        this.#id = id;
        this.#parentId = parentId;
        this.userContext = userContext;
        this.#eventManager = eventManager;
        this.#browsingContextStorage = browsingContextStorage;
        this.#realmStorage = realmStorage;
        this.#unhandledPromptBehavior = unhandledPromptBehavior;
        this.#logger = logger;
        this.#originalOpener = originalOpener;
        this.#navigationTracker = new NavigationTracker_js_1.NavigationTracker(url, id, eventManager, logger);
    }
    static create(id, parentId, userContext, cdpTarget, eventManager, browsingContextStorage, realmStorage, url, originalOpener, unhandledPromptBehavior, logger) {
        const context = new _a(id, parentId, userContext, cdpTarget, eventManager, browsingContextStorage, realmStorage, url, originalOpener, unhandledPromptBehavior, logger);
        context.#initListeners();
        browsingContextStorage.addContext(context);
        if (!context.isTopLevelContext()) {
            context.parent.addChild(context.id);
        }
        // Hold on the `contextCreated` event until the target is unblocked. This is required,
        // as the parent of the context can be set later in case of reconnecting to an
        // existing browser instance + OOPiF.
        eventManager.registerPromiseEvent(context.targetUnblockedOrThrow().then(() => {
            return {
                kind: 'success',
                value: {
                    type: 'event',
                    method: protocol_js_1.ChromiumBidi.BrowsingContext.EventNames.ContextCreated,
                    params: {
                        ...context.serializeToBidiValue(),
                        // Hack to provide the initial URL of the context, as it can be changed
                        // between the page target is attached and unblocked, as the page is not
                        // fully paused in MPArch session (https://crbug.com/372842894).
                        // TODO: remove once https://crbug.com/372842894 is addressed.
                        url,
                    },
                },
            };
        }, (error) => {
            return {
                kind: 'error',
                error,
            };
        }), context.id, protocol_js_1.ChromiumBidi.BrowsingContext.EventNames.ContextCreated);
        return context;
    }
    /**
     * @see https://html.spec.whatwg.org/multipage/document-sequences.html#navigable
     */
    get navigableId() {
        return this.#loaderId;
    }
    get navigationId() {
        return this.#navigationTracker.currentNavigationId;
    }
    dispose(emitContextDestroyed) {
        this.#navigationTracker.dispose();
        this.#deleteAllChildren();
        this.#realmStorage.deleteRealms({
            browsingContextId: this.id,
        });
        // Delete context from the parent.
        if (!this.isTopLevelContext()) {
            this.parent.#children.delete(this.id);
        }
        // Fail all ongoing navigations.
        this.#failLifecycleIfNotFinished();
        if (emitContextDestroyed) {
            this.#eventManager.registerEvent({
                type: 'event',
                method: protocol_js_1.ChromiumBidi.BrowsingContext.EventNames.ContextDestroyed,
                params: this.serializeToBidiValue(),
            }, this.id);
        }
        this.#eventManager.clearBufferedEvents(this.id);
        this.#browsingContextStorage.deleteContextById(this.id);
    }
    /** Returns the ID of this context. */
    get id() {
        return this.#id;
    }
    /** Returns the parent context ID. */
    get parentId() {
        return this.#parentId;
    }
    /** Sets the parent context ID and updates parent's children. */
    set parentId(parentId) {
        if (this.#parentId !== null) {
            this.#logger?.(log_js_1.LogType.debugError, 'Parent context already set');
            // Cannot do anything except logging, as throwing will stop event processing. So
            // just return,
            return;
        }
        this.#parentId = parentId;
        if (!this.isTopLevelContext()) {
            this.parent.addChild(this.id);
        }
    }
    /** Returns the parent context. */
    get parent() {
        if (this.parentId === null) {
            return null;
        }
        return this.#browsingContextStorage.getContext(this.parentId);
    }
    /** Returns all direct children contexts. */
    get directChildren() {
        return [...this.#children].map((id) => this.#browsingContextStorage.getContext(id));
    }
    /** Returns all children contexts, flattened. */
    get allChildren() {
        const children = this.directChildren;
        return children.concat(...children.map((child) => child.allChildren));
    }
    /**
     * Returns true if this is a top-level context.
     * This is the case whenever the parent context ID is null.
     */
    isTopLevelContext() {
        return this.#parentId === null;
    }
    get top() {
        // eslint-disable-next-line @typescript-eslint/no-this-alias
        let topContext = this;
        let parent = topContext.parent;
        while (parent) {
            topContext = parent;
            parent = topContext.parent;
        }
        return topContext;
    }
    addChild(childId) {
        this.#children.add(childId);
    }
    #deleteAllChildren(emitContextDestroyed = false) {
        this.directChildren.map((child) => child.dispose(emitContextDestroyed));
    }
    get cdpTarget() {
        return this.#cdpTarget;
    }
    updateCdpTarget(cdpTarget) {
        this.#cdpTarget = cdpTarget;
        this.#initListeners();
    }
    get url() {
        return this.#navigationTracker.url;
    }
    async lifecycleLoaded() {
        await this.#lifecycle.load;
    }
    async targetUnblockedOrThrow() {
        const result = await this.#cdpTarget.unblocked;
        if (result.kind === 'error') {
            throw result.error;
        }
    }
    async getOrCreateSandbox(sandbox) {
        if (sandbox === undefined || sandbox === '') {
            // Default realm is not guaranteed to be created at this point, so return a deferred.
            return await this.#defaultRealmDeferred;
        }
        let maybeSandboxes = this.#realmStorage.findRealms({
            browsingContextId: this.id,
            sandbox,
        });
        if (maybeSandboxes.length === 0) {
            await this.#cdpTarget.cdpClient.sendCommand('Page.createIsolatedWorld', {
                frameId: this.id,
                worldName: sandbox,
            });
            // `Runtime.executionContextCreated` should be emitted by the time the
            // previous command is done.
            maybeSandboxes = this.#realmStorage.findRealms({
                browsingContextId: this.id,
                sandbox,
            });
            (0, assert_js_1.assert)(maybeSandboxes.length !== 0);
        }
        // It's possible for more than one sandbox to be created due to provisional
        // frames. In this case, it's always the first one (i.e. the oldest one)
        // that is more relevant since the user may have set that one up already
        // through evaluation.
        return maybeSandboxes[0];
    }
    serializeToBidiValue(maxDepth = 0, addParentField = true) {
        return {
            context: this.#id,
            url: this.url,
            userContext: this.userContext,
            originalOpener: this.#originalOpener ?? null,
            // TODO(#2646): Implement Client Window correctly
            clientWindow: '',
            children: maxDepth > 0
                ? this.directChildren.map((c) => c.serializeToBidiValue(maxDepth - 1, false))
                : null,
            ...(addParentField ? { parent: this.#parentId } : {}),
        };
    }
    onTargetInfoChanged(params) {
        this.#navigationTracker.onTargetInfoChanged(params.targetInfo.url);
    }
    #initListeners() {
        this.#cdpTarget.cdpClient.on('Network.loadingFailed', (params) => {
            // Detect navigation errors like `net::ERR_BLOCKED_BY_RESPONSE`.
            // Network related to navigation has request id equals to navigation's loader id.
            this.#navigationTracker.networkLoadingFailed(params.requestId, params.errorText);
        });
        this.#cdpTarget.cdpClient.on('Page.frameNavigated', (params) => {
            if (this.id !== params.frame.id) {
                return;
            }
            this.#navigationTracker.frameNavigated(params.frame.url + (params.frame.urlFragment ?? ''), params.frame.loaderId, 
            // `unreachableUrl` indicates if the navigation failed.
            params.frame.unreachableUrl);
            // At the point the page is initialized, all the nested iframes from the
            // previous page are detached and realms are destroyed.
            // Delete children from context.
            this.#deleteAllChildren();
            this.#documentChanged(params.frame.loaderId);
        });
        this.#cdpTarget.on("frameStartedNavigating" /* TargetEvents.FrameStartedNavigating */, (params) => {
            this.#logger?.(log_js_1.LogType.debugInfo, `Received ${"frameStartedNavigating" /* TargetEvents.FrameStartedNavigating */} event`, params);
            // The frame ID can be either a browsing context id, or not set in case of the frame
            // is the top-level in the current CDP target.
            const possibleFrameIds = [
                this.id,
                ...(this.cdpTarget.id === this.id ? [undefined] : []),
            ];
            if (!possibleFrameIds.includes(params.frameId)) {
                return;
            }
            this.#navigationTracker.frameStartedNavigating(params.url, params.loaderId);
        });
        this.#cdpTarget.cdpClient.on('Page.navigatedWithinDocument', (params) => {
            if (this.id !== params.frameId) {
                return;
            }
            this.#navigationTracker.navigatedWithinDocument(params.url, params.navigationType);
            if (params.navigationType === 'historyApi') {
                this.#eventManager.registerEvent({
                    type: 'event',
                    method: 'browsingContext.historyUpdated',
                    params: {
                        context: this.id,
                        url: this.#navigationTracker.url,
                    },
                }, this.id);
                return;
            }
        });
        this.#cdpTarget.cdpClient.on('Page.frameRequestedNavigation', (params) => {
            if (this.id !== params.frameId) {
                return;
            }
            this.#navigationTracker.frameRequestedNavigation(params.url);
        });
        this.#cdpTarget.cdpClient.on('Page.lifecycleEvent', (params) => {
            if (this.id !== params.frameId) {
                return;
            }
            if (params.name === 'init') {
                this.#documentChanged(params.loaderId);
                return;
            }
            if (params.name === 'commit') {
                this.#loaderId = params.loaderId;
                return;
            }
            // If mapper attached to the page late, it might miss init and
            // commit events. In that case, save the first loaderId for this
            // frameId.
            if (!this.#loaderId) {
                this.#loaderId = params.loaderId;
            }
            // Ignore event from not current navigation.
            if (params.loaderId !== this.#loaderId) {
                return;
            }
            switch (params.name) {
                case 'DOMContentLoaded':
                    if (!this.#navigationTracker.isInitialNavigation) {
                        // Do not emit for the initial navigation.
                        this.#eventManager.registerEvent({
                            type: 'event',
                            method: protocol_js_1.ChromiumBidi.BrowsingContext.EventNames.DomContentLoaded,
                            params: {
                                context: this.id,
                                navigation: this.#navigationTracker.currentNavigationId,
                                timestamp: (0, time_js_1.getTimestamp)(),
                                url: this.#navigationTracker.url,
                            },
                        }, this.id);
                    }
                    this.#lifecycle.DOMContentLoaded.resolve();
                    break;
                case 'load':
                    if (!this.#navigationTracker.isInitialNavigation) {
                        // Do not emit for the initial navigation.
                        this.#eventManager.registerEvent({
                            type: 'event',
                            method: protocol_js_1.ChromiumBidi.BrowsingContext.EventNames.Load,
                            params: {
                                context: this.id,
                                navigation: this.#navigationTracker.currentNavigationId,
                                timestamp: (0, time_js_1.getTimestamp)(),
                                url: this.#navigationTracker.url,
                            },
                        }, this.id);
                    }
                    // The initial navigation is finished.
                    this.#navigationTracker.loadPageEvent(params.loaderId);
                    this.#lifecycle.load.resolve();
                    break;
            }
        });
        this.#cdpTarget.cdpClient.on('Runtime.executionContextCreated', (params) => {
            const { auxData, name, uniqueId, id } = params.context;
            if (!auxData || auxData.frameId !== this.id) {
                return;
            }
            let origin;
            let sandbox;
            // Only these execution contexts are supported for now.
            switch (auxData.type) {
                case 'isolated':
                    sandbox = name;
                    // Sandbox should have the same origin as the context itself, but in CDP
                    // it has an empty one.
                    if (!this.#defaultRealmDeferred.isFinished) {
                        this.#logger?.(log_js_1.LogType.debugError, 'Unexpectedly, isolated realm created before the default one');
                    }
                    origin = this.#defaultRealmDeferred.isFinished
                        ? this.#defaultRealmDeferred.result.origin
                        : // This fallback is not expected to be ever reached.
                            '';
                    break;
                case 'default':
                    origin = serializeOrigin(params.context.origin);
                    break;
                default:
                    return;
            }
            const realm = new WindowRealm_js_1.WindowRealm(this.id, this.#browsingContextStorage, this.#cdpTarget.cdpClient, this.#eventManager, id, this.#logger, origin, uniqueId, this.#realmStorage, sandbox);
            if (auxData.isDefault) {
                this.#defaultRealmDeferred.resolve(realm);
                // Initialize ChannelProxy listeners for all the channels of all the
                // preload scripts related to this BrowsingContext.
                // TODO: extend for not default realms by the sandbox name.
                void Promise.all(this.#cdpTarget
                    .getChannels()
                    .map((channel) => channel.startListenerFromWindow(realm, this.#eventManager)));
            }
        });
        this.#cdpTarget.cdpClient.on('Runtime.executionContextDestroyed', (params) => {
            if (this.#defaultRealmDeferred.isFinished &&
                this.#defaultRealmDeferred.result.executionContextId ===
                    params.executionContextId) {
                this.#defaultRealmDeferred = new Deferred_js_1.Deferred();
            }
            this.#realmStorage.deleteRealms({
                cdpSessionId: this.#cdpTarget.cdpSessionId,
                executionContextId: params.executionContextId,
            });
        });
        this.#cdpTarget.cdpClient.on('Runtime.executionContextsCleared', () => {
            if (!this.#defaultRealmDeferred.isFinished) {
                this.#defaultRealmDeferred.reject(new protocol_js_1.UnknownErrorException('execution contexts cleared'));
            }
            this.#defaultRealmDeferred = new Deferred_js_1.Deferred();
            this.#realmStorage.deleteRealms({
                cdpSessionId: this.#cdpTarget.cdpSessionId,
            });
        });
        this.#cdpTarget.cdpClient.on('Page.javascriptDialogClosed', (params) => {
            const accepted = params.result;
            if (this.#lastUserPromptType === undefined) {
                this.#logger?.(log_js_1.LogType.debugError, 'Unexpectedly no opening prompt event before closing one');
            }
            this.#eventManager.registerEvent({
                type: 'event',
                method: protocol_js_1.ChromiumBidi.BrowsingContext.EventNames.UserPromptClosed,
                params: {
                    context: this.id,
                    accepted,
                    // `lastUserPromptType` should never be undefined here, so fallback to
                    // `UNKNOWN`. The fallback is required to prevent tests from hanging while
                    // waiting for the closing event. The cast is required, as the `UNKNOWN` value
                    // is not standard.
                    type: this.#lastUserPromptType ??
                        'UNKNOWN',
                    userText: accepted && params.userInput ? params.userInput : undefined,
                },
            }, this.id);
            this.#lastUserPromptType = undefined;
        });
        this.#cdpTarget.cdpClient.on('Page.javascriptDialogOpening', (params) => {
            const promptType = _a.#getPromptType(params.type);
            if (params.type === 'beforeunload') {
                this.#navigationTracker.beforeunload();
            }
            // Set the last prompt type to provide it in closing event.
            this.#lastUserPromptType = promptType;
            const promptHandler = this.#getPromptHandler(promptType);
            this.#eventManager.registerEvent({
                type: 'event',
                method: protocol_js_1.ChromiumBidi.BrowsingContext.EventNames.UserPromptOpened,
                params: {
                    context: this.id,
                    handler: promptHandler,
                    type: promptType,
                    message: params.message,
                    ...(params.type === 'prompt'
                        ? { defaultValue: params.defaultPrompt }
                        : {}),
                },
            }, this.id);
            switch (promptHandler) {
                // Based on `unhandledPromptBehavior`, check if the prompt should be handled
                // automatically (`accept`, `dismiss`) or wait for the user to do it.
                case "accept" /* Session.UserPromptHandlerType.Accept */:
                    void this.handleUserPrompt(true);
                    break;
                case "dismiss" /* Session.UserPromptHandlerType.Dismiss */:
                    void this.handleUserPrompt(false);
                    break;
                case "ignore" /* Session.UserPromptHandlerType.Ignore */:
                    break;
            }
        });
    }
    static #getPromptType(cdpType) {
        switch (cdpType) {
            case 'alert':
                return "alert" /* BrowsingContext.UserPromptType.Alert */;
            case 'beforeunload':
                return "beforeunload" /* BrowsingContext.UserPromptType.Beforeunload */;
            case 'confirm':
                return "confirm" /* BrowsingContext.UserPromptType.Confirm */;
            case 'prompt':
                return "prompt" /* BrowsingContext.UserPromptType.Prompt */;
        }
    }
    #getPromptHandler(promptType) {
        const defaultPromptHandler = "dismiss" /* Session.UserPromptHandlerType.Dismiss */;
        switch (promptType) {
            case "alert" /* BrowsingContext.UserPromptType.Alert */:
                return (this.#unhandledPromptBehavior?.alert ??
                    this.#unhandledPromptBehavior?.default ??
                    defaultPromptHandler);
            case "beforeunload" /* BrowsingContext.UserPromptType.Beforeunload */:
                return (this.#unhandledPromptBehavior?.beforeUnload ??
                    this.#unhandledPromptBehavior?.default ??
                    "accept" /* Session.UserPromptHandlerType.Accept */);
            case "confirm" /* BrowsingContext.UserPromptType.Confirm */:
                return (this.#unhandledPromptBehavior?.confirm ??
                    this.#unhandledPromptBehavior?.default ??
                    defaultPromptHandler);
            case "prompt" /* BrowsingContext.UserPromptType.Prompt */:
                return (this.#unhandledPromptBehavior?.prompt ??
                    this.#unhandledPromptBehavior?.default ??
                    defaultPromptHandler);
        }
    }
    #documentChanged(loaderId) {
        if (loaderId === undefined || this.#loaderId === loaderId) {
            return;
        }
        // Document changed.
        this.#resetLifecycleIfFinished();
        this.#loaderId = loaderId;
        // Delete all child iframes and notify about top level destruction.
        this.#deleteAllChildren(true);
    }
    #resetLifecycleIfFinished() {
        if (this.#lifecycle.DOMContentLoaded.isFinished) {
            this.#lifecycle.DOMContentLoaded = new Deferred_js_1.Deferred();
        }
        else {
            this.#logger?.(_a.LOGGER_PREFIX, 'Document changed (DOMContentLoaded)');
        }
        if (this.#lifecycle.load.isFinished) {
            this.#lifecycle.load = new Deferred_js_1.Deferred();
        }
        else {
            this.#logger?.(_a.LOGGER_PREFIX, 'Document changed (load)');
        }
    }
    #failLifecycleIfNotFinished() {
        if (!this.#lifecycle.DOMContentLoaded.isFinished) {
            this.#lifecycle.DOMContentLoaded.reject(new protocol_js_1.UnknownErrorException('navigation canceled'));
        }
        if (!this.#lifecycle.load.isFinished) {
            this.#lifecycle.load.reject(new protocol_js_1.UnknownErrorException('navigation canceled'));
        }
    }
    async navigate(url, wait) {
        try {
            new URL(url);
        }
        catch {
            throw new protocol_js_1.InvalidArgumentException(`Invalid URL: ${url}`);
        }
        const commandNavigation = this.#navigationTracker.createPendingNavigation(url);
        // Navigate and wait for the result. If the navigation fails, the error event is
        // emitted and the promise is rejected.
        const cdpNavigatePromise = (async () => {
            const cdpNavigateResult = await this.#cdpTarget.cdpClient.sendCommand('Page.navigate', {
                url,
                frameId: this.id,
            });
            if (cdpNavigateResult.errorText) {
                // If navigation failed, no pending navigation is left.
                this.#navigationTracker.failNavigation(commandNavigation, cdpNavigateResult.errorText);
                throw new protocol_js_1.UnknownErrorException(cdpNavigateResult.errorText);
            }
            this.#navigationTracker.navigationCommandFinished(commandNavigation, cdpNavigateResult.loaderId);
            this.#documentChanged(cdpNavigateResult.loaderId);
        })();
        if (wait === "none" /* BrowsingContext.ReadinessState.None */) {
            return {
                navigation: commandNavigation.navigationId,
                url,
            };
        }
        // Wait for either the navigation is finished or canceled by another navigation.
        const result = await Promise.race([
            // No `loaderId` means same-document navigation.
            this.#waitNavigation(wait, cdpNavigatePromise),
            // Throw an error if the navigation is canceled.
            commandNavigation.finished,
        ]);
        if (result instanceof NavigationTracker_js_1.NavigationResult) {
            if (
            // TODO: check after decision on the spec is done:
            //  https://github.com/w3c/webdriver-bidi/issues/799.
            result.eventName === "browsingContext.navigationAborted" /* NavigationEventName.NavigationAborted */ ||
                result.eventName === "browsingContext.navigationFailed" /* NavigationEventName.NavigationFailed */) {
                throw new protocol_js_1.UnknownErrorException(result.message ?? 'unknown exception');
            }
        }
        return {
            navigation: commandNavigation.navigationId,
            // Url can change due to redirects. Get the one from commandNavigation.
            url: commandNavigation.url,
        };
    }
    async #waitNavigation(wait, cdpCommandPromise) {
        switch (wait) {
            case "none" /* BrowsingContext.ReadinessState.None */:
                return;
            case "interactive" /* BrowsingContext.ReadinessState.Interactive */:
                await cdpCommandPromise;
                await this.#lifecycle.DOMContentLoaded;
                return;
            case "complete" /* BrowsingContext.ReadinessState.Complete */:
                await cdpCommandPromise;
                await this.#lifecycle.load;
                return;
        }
    }
    // TODO: support concurrent navigations analogous to `navigate`.
    async reload(ignoreCache, wait) {
        await this.targetUnblockedOrThrow();
        this.#resetLifecycleIfFinished();
        const commandNavigation = this.#navigationTracker.createPendingNavigation(this.#navigationTracker.url);
        const cdpReloadPromise = this.#cdpTarget.cdpClient.sendCommand('Page.reload', {
            ignoreCache,
        });
        // Wait for either the navigation is finished or canceled by another navigation.
        const result = await Promise.race([
            // No `loaderId` means same-document navigation.
            this.#waitNavigation(wait, cdpReloadPromise),
            // Throw an error if the navigation is canceled.
            commandNavigation.finished,
        ]);
        if (result instanceof NavigationTracker_js_1.NavigationResult) {
            if (result.eventName === "browsingContext.navigationAborted" /* NavigationEventName.NavigationAborted */ ||
                result.eventName === "browsingContext.navigationFailed" /* NavigationEventName.NavigationFailed */) {
                throw new protocol_js_1.UnknownErrorException(result.message ?? 'unknown exception');
            }
        }
        return {
            navigation: commandNavigation.navigationId,
            // Url can change due to redirects. Get the one from commandNavigation.
            url: commandNavigation.url,
        };
    }
    async setViewport(viewport, devicePixelRatio) {
        if (viewport === null && devicePixelRatio === null) {
            await this.#cdpTarget.cdpClient.sendCommand('Emulation.clearDeviceMetricsOverride');
        }
        else {
            try {
                let appliedViewport;
                if (viewport === undefined) {
                    appliedViewport = this.#previousViewport;
                }
                else if (viewport === null) {
                    appliedViewport = {
                        width: 0,
                        height: 0,
                    };
                }
                else {
                    appliedViewport = viewport;
                }
                this.#previousViewport = appliedViewport;
                await this.#cdpTarget.cdpClient.sendCommand('Emulation.setDeviceMetricsOverride', {
                    width: this.#previousViewport.width,
                    height: this.#previousViewport.height,
                    deviceScaleFactor: devicePixelRatio ? devicePixelRatio : 0,
                    mobile: false,
                    dontSetVisibleSize: true,
                });
            }
            catch (err) {
                if (err.message.startsWith(
                // https://crsrc.org/c/content/browser/devtools/protocol/emulation_handler.cc;l=257;drc=2f6eee84cf98d4227e7c41718dd71b82f26d90ff
                'Width and height values must be positive')) {
                    throw new protocol_js_1.UnsupportedOperationException('Provided viewport dimensions are not supported');
                }
                throw err;
            }
        }
    }
    async handleUserPrompt(accept, userText) {
        await this.#cdpTarget.cdpClient.sendCommand('Page.handleJavaScriptDialog', {
            accept: accept ?? true,
            promptText: userText,
        });
    }
    async activate() {
        await this.#cdpTarget.cdpClient.sendCommand('Page.bringToFront');
    }
    async captureScreenshot(params) {
        if (!this.isTopLevelContext()) {
            throw new protocol_js_1.UnsupportedOperationException(`Non-top-level 'context' (${params.context}) is currently not supported`);
        }
        const formatParameters = getImageFormatParameters(params);
        let captureBeyondViewport = false;
        let script;
        params.origin ??= 'viewport';
        switch (params.origin) {
            case 'document': {
                script = String(() => {
                    const element = document.documentElement;
                    return {
                        x: 0,
                        y: 0,
                        width: element.scrollWidth,
                        height: element.scrollHeight,
                    };
                });
                captureBeyondViewport = true;
                break;
            }
            case 'viewport': {
                script = String(() => {
                    const viewport = window.visualViewport;
                    return {
                        x: viewport.pageLeft,
                        y: viewport.pageTop,
                        width: viewport.width,
                        height: viewport.height,
                    };
                });
                break;
            }
        }
        const realm = await this.getOrCreateSandbox(undefined);
        const originResult = await realm.callFunction(script, false);
        (0, assert_js_1.assert)(originResult.type === 'success');
        const origin = deserializeDOMRect(originResult.result);
        (0, assert_js_1.assert)(origin);
        let rect = origin;
        if (params.clip) {
            const clip = params.clip;
            if (params.origin === 'viewport' && clip.type === 'box') {
                // For viewport origin, the clip is relative to the viewport, while the CDP
                // screenshot is relative to the document. So correction for the viewport position
                // is required.
                clip.x += origin.x;
                clip.y += origin.y;
            }
            rect = getIntersectionRect(await this.#parseRect(clip), origin);
        }
        if (rect.width === 0 || rect.height === 0) {
            throw new protocol_js_1.UnableToCaptureScreenException(`Unable to capture screenshot with zero dimensions: width=${rect.width}, height=${rect.height}`);
        }
        return await this.#cdpTarget.cdpClient.sendCommand('Page.captureScreenshot', {
            clip: { ...rect, scale: 1.0 },
            ...formatParameters,
            captureBeyondViewport,
        });
    }
    async print(params) {
        if (!this.isTopLevelContext()) {
            throw new protocol_js_1.UnsupportedOperationException('Printing of non-top level contexts is not supported');
        }
        const cdpParams = {};
        if (params.background !== undefined) {
            cdpParams.printBackground = params.background;
        }
        if (params.margin?.bottom !== undefined) {
            cdpParams.marginBottom = (0, unitConversions_js_1.inchesFromCm)(params.margin.bottom);
        }
        if (params.margin?.left !== undefined) {
            cdpParams.marginLeft = (0, unitConversions_js_1.inchesFromCm)(params.margin.left);
        }
        if (params.margin?.right !== undefined) {
            cdpParams.marginRight = (0, unitConversions_js_1.inchesFromCm)(params.margin.right);
        }
        if (params.margin?.top !== undefined) {
            cdpParams.marginTop = (0, unitConversions_js_1.inchesFromCm)(params.margin.top);
        }
        if (params.orientation !== undefined) {
            cdpParams.landscape = params.orientation === 'landscape';
        }
        if (params.page?.height !== undefined) {
            cdpParams.paperHeight = (0, unitConversions_js_1.inchesFromCm)(params.page.height);
        }
        if (params.page?.width !== undefined) {
            cdpParams.paperWidth = (0, unitConversions_js_1.inchesFromCm)(params.page.width);
        }
        if (params.pageRanges !== undefined) {
            for (const range of params.pageRanges) {
                if (typeof range === 'number') {
                    continue;
                }
                const rangeParts = range.split('-');
                if (rangeParts.length < 1 || rangeParts.length > 2) {
                    throw new protocol_js_1.InvalidArgumentException(`Invalid page range: ${range} is not a valid integer range.`);
                }
                if (rangeParts.length === 1) {
                    void parseInteger(rangeParts[0] ?? '');
                    continue;
                }
                let lowerBound;
                let upperBound;
                const [rangeLowerPart = '', rangeUpperPart = ''] = rangeParts;
                if (rangeLowerPart === '') {
                    lowerBound = 1;
                }
                else {
                    lowerBound = parseInteger(rangeLowerPart);
                }
                if (rangeUpperPart === '') {
                    upperBound = Number.MAX_SAFE_INTEGER;
                }
                else {
                    upperBound = parseInteger(rangeUpperPart);
                }
                if (lowerBound > upperBound) {
                    throw new protocol_js_1.InvalidArgumentException(`Invalid page range: ${rangeLowerPart} > ${rangeUpperPart}`);
                }
            }
            cdpParams.pageRanges = params.pageRanges.join(',');
        }
        if (params.scale !== undefined) {
            cdpParams.scale = params.scale;
        }
        if (params.shrinkToFit !== undefined) {
            cdpParams.preferCSSPageSize = !params.shrinkToFit;
        }
        try {
            const result = await this.#cdpTarget.cdpClient.sendCommand('Page.printToPDF', cdpParams);
            return {
                data: result.data,
            };
        }
        catch (error) {
            // Effectively zero dimensions.
            if (error.message ===
                'invalid print parameters: content area is empty') {
                throw new protocol_js_1.UnsupportedOperationException(error.message);
            }
            throw error;
        }
    }
    /**
     * See
     * https://w3c.github.io/webdriver-bidi/#:~:text=If%20command%20parameters%20contains%20%22clip%22%3A
     */
    async #parseRect(clip) {
        switch (clip.type) {
            case 'box':
                return { x: clip.x, y: clip.y, width: clip.width, height: clip.height };
            case 'element': {
                // TODO: #1213: Use custom sandbox specifically for Chromium BiDi
                const sandbox = await this.getOrCreateSandbox(undefined);
                const result = await sandbox.callFunction(String((element) => {
                    return element instanceof Element;
                }), false, { type: 'undefined' }, [clip.element]);
                if (result.type === 'exception') {
                    throw new protocol_js_1.NoSuchElementException(`Element '${clip.element.sharedId}' was not found`);
                }
                (0, assert_js_1.assert)(result.result.type === 'boolean');
                if (!result.result.value) {
                    throw new protocol_js_1.NoSuchElementException(`Node '${clip.element.sharedId}' is not an Element`);
                }
                {
                    const result = await sandbox.callFunction(String((element) => {
                        const rect = element.getBoundingClientRect();
                        return {
                            x: rect.x,
                            y: rect.y,
                            height: rect.height,
                            width: rect.width,
                        };
                    }), false, { type: 'undefined' }, [clip.element]);
                    (0, assert_js_1.assert)(result.type === 'success');
                    const rect = deserializeDOMRect(result.result);
                    if (!rect) {
                        throw new protocol_js_1.UnableToCaptureScreenException(`Could not get bounding box for Element '${clip.element.sharedId}'`);
                    }
                    return rect;
                }
            }
        }
    }
    async close() {
        await this.#cdpTarget.cdpClient.sendCommand('Page.close');
    }
    async traverseHistory(delta) {
        if (delta === 0) {
            return;
        }
        const history = await this.#cdpTarget.cdpClient.sendCommand('Page.getNavigationHistory');
        const entry = history.entries[history.currentIndex + delta];
        if (!entry) {
            throw new protocol_js_1.NoSuchHistoryEntryException(`No history entry at delta ${delta}`);
        }
        await this.#cdpTarget.cdpClient.sendCommand('Page.navigateToHistoryEntry', {
            entryId: entry.id,
        });
    }
    async toggleModulesIfNeeded() {
        await Promise.all([
            this.#cdpTarget.toggleNetworkIfNeeded(),
            this.#cdpTarget.toggleDeviceAccessIfNeeded(),
        ]);
    }
    async locateNodes(params) {
        // TODO: create a dedicated sandbox instead of `#defaultRealm`.
        return await this.#locateNodesByLocator(await this.#defaultRealmDeferred, params.locator, params.startNodes ?? [], params.maxNodeCount, params.serializationOptions);
    }
    async #getLocatorDelegate(realm, locator, maxNodeCount, startNodes) {
        switch (locator.type) {
            case 'css':
                return {
                    functionDeclaration: String((cssSelector, maxNodeCount, ...startNodes) => {
                        const locateNodesUsingCss = (element) => {
                            if (!(element instanceof HTMLElement ||
                                element instanceof Document ||
                                element instanceof DocumentFragment)) {
                                throw new Error('startNodes in css selector should be HTMLElement, Document or DocumentFragment');
                            }
                            return [...element.querySelectorAll(cssSelector)];
                        };
                        startNodes = startNodes.length > 0 ? startNodes : [document];
                        const returnedNodes = startNodes
                            .map((startNode) => 
                        // TODO: stop search early if `maxNodeCount` is reached.
                        locateNodesUsingCss(startNode))
                            .flat(1);
                        return maxNodeCount === 0
                            ? returnedNodes
                            : returnedNodes.slice(0, maxNodeCount);
                    }),
                    argumentsLocalValues: [
                        // `cssSelector`
                        { type: 'string', value: locator.value },
                        // `maxNodeCount` with `0` means no limit.
                        { type: 'number', value: maxNodeCount ?? 0 },
                        // `startNodes`
                        ...startNodes,
                    ],
                };
            case 'xpath':
                return {
                    functionDeclaration: String((xPathSelector, maxNodeCount, ...startNodes) => {
                        // https://w3c.github.io/webdriver-bidi/#locate-nodes-using-xpath
                        const evaluator = new XPathEvaluator();
                        const expression = evaluator.createExpression(xPathSelector);
                        const locateNodesUsingXpath = (element) => {
                            const xPathResult = expression.evaluate(element, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE);
                            const returnedNodes = [];
                            for (let i = 0; i < xPathResult.snapshotLength; i++) {
                                returnedNodes.push(xPathResult.snapshotItem(i));
                            }
                            return returnedNodes;
                        };
                        startNodes = startNodes.length > 0 ? startNodes : [document];
                        const returnedNodes = startNodes
                            .map((startNode) => 
                        // TODO: stop search early if `maxNodeCount` is reached.
                        locateNodesUsingXpath(startNode))
                            .flat(1);
                        return maxNodeCount === 0
                            ? returnedNodes
                            : returnedNodes.slice(0, maxNodeCount);
                    }),
                    argumentsLocalValues: [
                        // `xPathSelector`
                        { type: 'string', value: locator.value },
                        // `maxNodeCount` with `0` means no limit.
                        { type: 'number', value: maxNodeCount ?? 0 },
                        // `startNodes`
                        ...startNodes,
                    ],
                };
            case 'innerText':
                // https://w3c.github.io/webdriver-bidi/#locate-nodes-using-inner-text
                if (locator.value === '') {
                    throw new protocol_js_1.InvalidSelectorException('innerText locator cannot be empty');
                }
                return {
                    functionDeclaration: String((innerTextSelector, fullMatch, ignoreCase, maxNodeCount, maxDepth, ...startNodes) => {
                        const searchText = ignoreCase
                            ? innerTextSelector.toUpperCase()
                            : innerTextSelector;
                        const locateNodesUsingInnerText = (node, currentMaxDepth) => {
                            const returnedNodes = [];
                            if (node instanceof DocumentFragment ||
                                node instanceof Document) {
                                const children = [...node.children];
                                children.forEach((child) => 
                                // `currentMaxDepth` is not decremented intentionally according to
                                // https://github.com/w3c/webdriver-bidi/pull/713.
                                returnedNodes.push(...locateNodesUsingInnerText(child, currentMaxDepth)));
                                return returnedNodes;
                            }
                            if (!(node instanceof HTMLElement)) {
                                return [];
                            }
                            const element = node;
                            const nodeInnerText = ignoreCase
                                ? element.innerText?.toUpperCase()
                                : element.innerText;
                            if (!nodeInnerText.includes(searchText)) {
                                return [];
                            }
                            const childNodes = [];
                            for (const child of element.children) {
                                if (child instanceof HTMLElement) {
                                    childNodes.push(child);
                                }
                            }
                            if (childNodes.length === 0) {
                                if (fullMatch && nodeInnerText === searchText) {
                                    returnedNodes.push(element);
                                }
                                else {
                                    if (!fullMatch) {
                                        // Note: `nodeInnerText.includes(searchText)` is already checked
                                        returnedNodes.push(element);
                                    }
                                }
                            }
                            else {
                                const childNodeMatches = 
                                // Don't search deeper if `maxDepth` is reached.
                                currentMaxDepth <= 0
                                    ? []
                                    : childNodes
                                        .map((child) => locateNodesUsingInnerText(child, currentMaxDepth - 1))
                                        .flat(1);
                                if (childNodeMatches.length === 0) {
                                    // Note: `nodeInnerText.includes(searchText)` is already checked
                                    if (!fullMatch || nodeInnerText === searchText) {
                                        returnedNodes.push(element);
                                    }
                                }
                                else {
                                    returnedNodes.push(...childNodeMatches);
                                }
                            }
                            // TODO: stop search early if `maxNodeCount` is reached.
                            return returnedNodes;
                        };
                        // TODO: stop search early if `maxNodeCount` is reached.
                        startNodes = startNodes.length > 0 ? startNodes : [document];
                        const returnedNodes = startNodes
                            .map((startNode) => 
                        // TODO: stop search early if `maxNodeCount` is reached.
                        locateNodesUsingInnerText(startNode, maxDepth))
                            .flat(1);
                        return maxNodeCount === 0
                            ? returnedNodes
                            : returnedNodes.slice(0, maxNodeCount);
                    }),
                    argumentsLocalValues: [
                        // `innerTextSelector`
                        { type: 'string', value: locator.value },
                        // `fullMatch` with default `true`.
                        { type: 'boolean', value: locator.matchType !== 'partial' },
                        // `ignoreCase` with default `false`.
                        { type: 'boolean', value: locator.ignoreCase === true },
                        // `maxNodeCount` with `0` means no limit.
                        { type: 'number', value: maxNodeCount ?? 0 },
                        // `maxDepth` with default `1000` (same as default full serialization depth).
                        { type: 'number', value: locator.maxDepth ?? 1000 },
                        // `startNodes`
                        ...startNodes,
                    ],
                };
            case 'accessibility': {
                // https://w3c.github.io/webdriver-bidi/#locate-nodes-using-accessibility-attributes
                if (!locator.value.name && !locator.value.role) {
                    throw new protocol_js_1.InvalidSelectorException('Either name or role has to be specified');
                }
                // The next two commands cause a11y caches for the target to be
                // preserved. We probably do not need to disable them if the
                // client is using a11y features, but we could by calling
                // Accessibility.disable.
                await Promise.all([
                    this.#cdpTarget.cdpClient.sendCommand('Accessibility.enable'),
                    this.#cdpTarget.cdpClient.sendCommand('Accessibility.getRootAXNode'),
                ]);
                const bindings = await realm.evaluate(
                /* expression=*/ '({getAccessibleName, getAccessibleRole})', 
                /* awaitPromise=*/ false, "root" /* Script.ResultOwnership.Root */, 
                /* serializationOptions= */ undefined, 
                /* userActivation=*/ false, 
                /* includeCommandLineApi=*/ true);
                if (bindings.type !== 'success') {
                    throw new Error('Could not get bindings');
                }
                if (bindings.result.type !== 'object') {
                    throw new Error('Could not get bindings');
                }
                return {
                    functionDeclaration: String((name, role, bindings, maxNodeCount, ...startNodes) => {
                        const returnedNodes = [];
                        let aborted = false;
                        function collect(contextNodes, selector) {
                            if (aborted) {
                                return;
                            }
                            for (const contextNode of contextNodes) {
                                let match = true;
                                if (selector.role) {
                                    const role = bindings.getAccessibleRole(contextNode);
                                    if (selector.role !== role) {
                                        match = false;
                                    }
                                }
                                if (selector.name) {
                                    const name = bindings.getAccessibleName(contextNode);
                                    if (selector.name !== name) {
                                        match = false;
                                    }
                                }
                                if (match) {
                                    if (maxNodeCount !== 0 &&
                                        returnedNodes.length === maxNodeCount) {
                                        aborted = true;
                                        break;
                                    }
                                    returnedNodes.push(contextNode);
                                }
                                const childNodes = [];
                                for (const child of contextNode.children) {
                                    if (child instanceof HTMLElement) {
                                        childNodes.push(child);
                                    }
                                }
                                collect(childNodes, selector);
                            }
                        }
                        startNodes =
                            startNodes.length > 0
                                ? startNodes
                                : Array.from(document.documentElement.children).filter((c) => c instanceof HTMLElement);
                        collect(startNodes, {
                            role,
                            name,
                        });
                        return returnedNodes;
                    }),
                    argumentsLocalValues: [
                        // `name`
                        { type: 'string', value: locator.value.name || '' },
                        // `role`
                        { type: 'string', value: locator.value.role || '' },
                        // `bindings`.
                        { handle: bindings.result.handle },
                        // `maxNodeCount` with `0` means no limit.
                        { type: 'number', value: maxNodeCount ?? 0 },
                        // `startNodes`
                        ...startNodes,
                    ],
                };
            }
        }
    }
    async #locateNodesByLocator(realm, locator, startNodes, maxNodeCount, serializationOptions) {
        const locatorDelegate = await this.#getLocatorDelegate(realm, locator, maxNodeCount, startNodes);
        serializationOptions = {
            ...serializationOptions,
            // The returned object is an array of nodes, so no need in deeper JS serialization.
            maxObjectDepth: 1,
        };
        const locatorResult = await realm.callFunction(locatorDelegate.functionDeclaration, false, { type: 'undefined' }, locatorDelegate.argumentsLocalValues, "none" /* Script.ResultOwnership.None */, serializationOptions);
        if (locatorResult.type !== 'success') {
            this.#logger?.(_a.LOGGER_PREFIX, 'Failed locateNodesByLocator', locatorResult);
            // Heuristic to detect invalid selector for different types of selectors.
            if (
            // CSS selector.
            locatorResult.exceptionDetails.text?.endsWith('is not a valid selector.') ||
                // XPath selector.
                locatorResult.exceptionDetails.text?.endsWith('is not a valid XPath expression.')) {
                throw new protocol_js_1.InvalidSelectorException(`Not valid selector ${typeof locator.value === 'string' ? locator.value : JSON.stringify(locator.value)}`);
            }
            // Heuristic to detect if the `startNode` is not an `HTMLElement` in css selector.
            if (locatorResult.exceptionDetails.text ===
                'Error: startNodes in css selector should be HTMLElement, Document or DocumentFragment') {
                throw new protocol_js_1.InvalidArgumentException('startNodes in css selector should be HTMLElement, Document or DocumentFragment');
            }
            throw new protocol_js_1.UnknownErrorException(`Unexpected error in selector script: ${locatorResult.exceptionDetails.text}`);
        }
        if (locatorResult.result.type !== 'array') {
            throw new protocol_js_1.UnknownErrorException(`Unexpected selector script result type: ${locatorResult.result.type}`);
        }
        // Check there are no non-node elements in the result.
        const nodes = locatorResult.result.value.map((value) => {
            if (value.type !== 'node') {
                throw new protocol_js_1.UnknownErrorException(`Unexpected selector script result element: ${value.type}`);
            }
            return value;
        });
        return { nodes };
    }
}
exports.BrowsingContextImpl = BrowsingContextImpl;
_a = BrowsingContextImpl;
function serializeOrigin(origin) {
    // https://html.spec.whatwg.org/multipage/origin.html#ascii-serialisation-of-an-origin
    if (['://', ''].includes(origin)) {
        origin = 'null';
    }
    return origin;
}
function getImageFormatParameters(params) {
    const { quality, type } = params.format ?? {
        type: 'image/png',
    };
    switch (type) {
        case 'image/png': {
            return { format: 'png' };
        }
        case 'image/jpeg': {
            return {
                format: 'jpeg',
                ...(quality === undefined ? {} : { quality: Math.round(quality * 100) }),
            };
        }
        case 'image/webp': {
            return {
                format: 'webp',
                ...(quality === undefined ? {} : { quality: Math.round(quality * 100) }),
            };
        }
    }
    throw new protocol_js_1.InvalidArgumentException(`Image format '${type}' is not a supported format`);
}
function deserializeDOMRect(result) {
    if (result.type !== 'object' || result.value === undefined) {
        return;
    }
    const x = result.value.find(([key]) => {
        return key === 'x';
    })?.[1];
    const y = result.value.find(([key]) => {
        return key === 'y';
    })?.[1];
    const height = result.value.find(([key]) => {
        return key === 'height';
    })?.[1];
    const width = result.value.find(([key]) => {
        return key === 'width';
    })?.[1];
    if (x?.type !== 'number' ||
        y?.type !== 'number' ||
        height?.type !== 'number' ||
        width?.type !== 'number') {
        return;
    }
    return {
        x: x.value,
        y: y.value,
        width: width.value,
        height: height.value,
    };
}
/** @see https://w3c.github.io/webdriver-bidi/#normalize-rect */
function normalizeRect(box) {
    return {
        ...(box.width < 0
            ? {
                x: box.x + box.width,
                width: -box.width,
            }
            : {
                x: box.x,
                width: box.width,
            }),
        ...(box.height < 0
            ? {
                y: box.y + box.height,
                height: -box.height,
            }
            : {
                y: box.y,
                height: box.height,
            }),
    };
}
/** @see https://w3c.github.io/webdriver-bidi/#rectangle-intersection */
function getIntersectionRect(first, second) {
    first = normalizeRect(first);
    second = normalizeRect(second);
    const x = Math.max(first.x, second.x);
    const y = Math.max(first.y, second.y);
    return {
        x,
        y,
        width: Math.max(Math.min(first.x + first.width, second.x + second.width) - x, 0),
        height: Math.max(Math.min(first.y + first.height, second.y + second.height) - y, 0),
    };
}
function parseInteger(value) {
    value = value.trim();
    if (!/^[0-9]+$/.test(value)) {
        throw new protocol_js_1.InvalidArgumentException(`Invalid integer: ${value}`);
    }
    return parseInt(value);
}
//# sourceMappingURL=BrowsingContextImpl.js.map