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571/**
* Copyright 2019 Google Inc. All rights reserved.
* Modifications 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.
*/
import { eventsHelper } from '../utils/eventsHelper';
import * as dialog from '../dialog';
import * as dom from '../dom';
import { InitScript } from '../page';
import { Page, Worker } from '../page';
import { FFSession } from './ffConnection';
import { createHandle, FFExecutionContext } from './ffExecutionContext';
import { RawKeyboardImpl, RawMouseImpl, RawTouchscreenImpl } from './ffInput';
import { FFNetworkManager } from './ffNetworkManager';
import { splitErrorMessage } from '../../utils/isomorphic/stackTrace';
import { TargetClosedError } from '../errors';
import { debugLogger } from '../utils/debugLogger';
import type { Progress } from '../progress';
import type { FFBrowserContext } from './ffBrowser';
import type { Protocol } from './protocol';
import type { RegisteredListener } from '../utils/eventsHelper';
import type * as frames from '../frames';
import type { PageDelegate } from '../page';
import type * as types from '../types';
export const UTILITY_WORLD_NAME = '__playwright_utility_world__';
export class FFPage implements PageDelegate {
readonly cspErrorsAsynchronousForInlineScripts = true;
readonly rawMouse: RawMouseImpl;
readonly rawKeyboard: RawKeyboardImpl;
readonly rawTouchscreen: RawTouchscreenImpl;
readonly _session: FFSession;
readonly _page: Page;
readonly _networkManager: FFNetworkManager;
readonly _browserContext: FFBrowserContext;
private _reportedAsNew = false;
readonly _opener: FFPage | null;
private readonly _contextIdToContext: Map<string, dom.FrameExecutionContext>;
private _eventListeners: RegisteredListener[];
private _workers = new Map<string, { frameId: string, session: FFSession }>();
private _screencastId: string | undefined;
private _initScripts: { initScript: InitScript, worldName?: string }[] = [];
constructor(session: FFSession, browserContext: FFBrowserContext, opener: FFPage | null) {
this._session = session;
this._opener = opener;
this.rawKeyboard = new RawKeyboardImpl(session);
this.rawMouse = new RawMouseImpl(session);
this.rawTouchscreen = new RawTouchscreenImpl(session);
this._contextIdToContext = new Map();
this._browserContext = browserContext;
this._page = new Page(this, browserContext);
this.rawMouse.setPage(this._page);
this._networkManager = new FFNetworkManager(session, this._page);
this._page.on(Page.Events.FrameDetached, frame => this._removeContextsForFrame(frame));
// TODO: remove Page.willOpenNewWindowAsynchronously from the protocol.
this._eventListeners = [
eventsHelper.addEventListener(this._session, 'Page.eventFired', this._onEventFired.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.frameAttached', this._onFrameAttached.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.frameDetached', this._onFrameDetached.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.navigationAborted', this._onNavigationAborted.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.navigationCommitted', this._onNavigationCommitted.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.navigationStarted', this._onNavigationStarted.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.sameDocumentNavigation', this._onSameDocumentNavigation.bind(this)),
eventsHelper.addEventListener(this._session, 'Runtime.executionContextCreated', this._onExecutionContextCreated.bind(this)),
eventsHelper.addEventListener(this._session, 'Runtime.executionContextDestroyed', this._onExecutionContextDestroyed.bind(this)),
eventsHelper.addEventListener(this._session, 'Runtime.executionContextsCleared', this._onExecutionContextsCleared.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.linkClicked', event => this._onLinkClicked(event.phase)),
eventsHelper.addEventListener(this._session, 'Page.uncaughtError', this._onUncaughtError.bind(this)),
eventsHelper.addEventListener(this._session, 'Runtime.console', this._onConsole.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.dialogOpened', this._onDialogOpened.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.bindingCalled', this._onBindingCalled.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.fileChooserOpened', this._onFileChooserOpened.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.workerCreated', this._onWorkerCreated.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.workerDestroyed', this._onWorkerDestroyed.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.dispatchMessageFromWorker', this._onDispatchMessageFromWorker.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.crashed', this._onCrashed.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.webSocketCreated', this._onWebSocketCreated.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.webSocketClosed', this._onWebSocketClosed.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.webSocketFrameReceived', this._onWebSocketFrameReceived.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.webSocketFrameSent', this._onWebSocketFrameSent.bind(this)),
eventsHelper.addEventListener(this._session, 'Page.screencastFrame', this._onScreencastFrame.bind(this)),
];
const screencast = this._page.screencast;
const videoOptions = screencast.launchVideoRecorder();
if (videoOptions)
screencast.startVideoRecording(videoOptions).catch(e => debugLogger.log('error', e));
this._session.once('Page.ready', () => {
if (this._reportedAsNew)
return;
this._reportedAsNew = true;
this._page.reportAsNew(this._opener?._page);
});
// Ideally, we somehow ensure that utility world is created before Page.ready arrives, but currently it is racy.
// Therefore, we can end up with an initialized page without utility world, although very unlikely.
this.addInitScript(new InitScript(''), UTILITY_WORLD_NAME).catch(e => this._markAsError(e));
}
async _markAsError(error: Error) {
// Same error may be reported twice: channel disconnected and session.send fails.
if (this._reportedAsNew)
return;
this._reportedAsNew = true;
this._page.reportAsNew(this._opener?._page, error);
}
_onWebSocketCreated(event: Protocol.Page.webSocketCreatedPayload) {
this._page.frameManager.onWebSocketCreated(webSocketId(event.frameId, event.wsid), event.requestURL);
this._page.frameManager.onWebSocketRequest(webSocketId(event.frameId, event.wsid));
}
_onWebSocketClosed(event: Protocol.Page.webSocketClosedPayload) {
if (event.error)
this._page.frameManager.webSocketError(webSocketId(event.frameId, event.wsid), event.error);
this._page.frameManager.webSocketClosed(webSocketId(event.frameId, event.wsid));
}
_onWebSocketFrameReceived(event: Protocol.Page.webSocketFrameReceivedPayload) {
this._page.frameManager.webSocketFrameReceived(webSocketId(event.frameId, event.wsid), event.opcode, event.data);
}
_onWebSocketFrameSent(event: Protocol.Page.webSocketFrameSentPayload) {
this._page.frameManager.onWebSocketFrameSent(webSocketId(event.frameId, event.wsid), event.opcode, event.data);
}
_onExecutionContextCreated(payload: Protocol.Runtime.executionContextCreatedPayload) {
const { executionContextId, auxData } = payload;
const frame = this._page.frameManager.frame(auxData.frameId!);
if (!frame)
return;
const delegate = new FFExecutionContext(this._session, executionContextId);
let worldName: types.World|null = null;
if (auxData.name === UTILITY_WORLD_NAME)
worldName = 'utility';
else if (!auxData.name)
worldName = 'main';
const context = new dom.FrameExecutionContext(delegate, frame, worldName);
if (worldName)
frame._contextCreated(worldName, context);
this._contextIdToContext.set(executionContextId, context);
}
_onExecutionContextDestroyed(payload: Protocol.Runtime.executionContextDestroyedPayload) {
const { executionContextId } = payload;
const context = this._contextIdToContext.get(executionContextId);
if (!context)
return;
this._contextIdToContext.delete(executionContextId);
context.frame._contextDestroyed(context);
}
_onExecutionContextsCleared() {
for (const executionContextId of Array.from(this._contextIdToContext.keys()))
this._onExecutionContextDestroyed({ executionContextId });
}
private _removeContextsForFrame(frame: frames.Frame) {
for (const [contextId, context] of this._contextIdToContext) {
if (context.frame === frame)
this._contextIdToContext.delete(contextId);
}
}
_onLinkClicked(phase: 'before' | 'after') {
if (phase === 'before')
this._page.frameManager.frameWillPotentiallyRequestNavigation();
else
this._page.frameManager.frameDidPotentiallyRequestNavigation();
}
_onNavigationStarted(params: Protocol.Page.navigationStartedPayload) {
this._page.frameManager.frameRequestedNavigation(params.frameId, params.navigationId);
}
_onNavigationAborted(params: Protocol.Page.navigationAbortedPayload) {
this._page.frameManager.frameAbortedNavigation(params.frameId, params.errorText, params.navigationId);
}
_onNavigationCommitted(params: Protocol.Page.navigationCommittedPayload) {
for (const [workerId, worker] of this._workers) {
if (worker.frameId === params.frameId)
this._onWorkerDestroyed({ workerId });
}
this._page.frameManager.frameCommittedNewDocumentNavigation(params.frameId, params.url, params.name || '', params.navigationId || '', false);
}
_onSameDocumentNavigation(params: Protocol.Page.sameDocumentNavigationPayload) {
this._page.frameManager.frameCommittedSameDocumentNavigation(params.frameId, params.url);
}
_onFrameAttached(params: Protocol.Page.frameAttachedPayload) {
this._page.frameManager.frameAttached(params.frameId, params.parentFrameId);
}
_onFrameDetached(params: Protocol.Page.frameDetachedPayload) {
this._page.frameManager.frameDetached(params.frameId);
}
_onEventFired(payload: Protocol.Page.eventFiredPayload) {
const { frameId, name } = payload;
if (name === 'load')
this._page.frameManager.frameLifecycleEvent(frameId, 'load');
if (name === 'DOMContentLoaded')
this._page.frameManager.frameLifecycleEvent(frameId, 'domcontentloaded');
}
_onUncaughtError(params: Protocol.Page.uncaughtErrorPayload) {
const { name, message } = splitErrorMessage(params.message);
const error = new Error(message);
error.stack = params.message + '\n' + params.stack.split('\n').filter(Boolean).map(a => a.replace(/([^@]*)@(.*)/, ' at $1 ($2)')).join('\n');
error.name = name;
this._page.addPageError(error);
}
_onConsole(payload: Protocol.Runtime.consolePayload) {
const { type, args, executionContextId, location } = payload;
const context = this._contextIdToContext.get(executionContextId);
if (!context)
return;
// Juggler reports 'warn' for some internal messages generated by the browser.
this._page.addConsoleMessage(null, type === 'warn' ? 'warning' : type, args.map(arg => createHandle(context, arg)), location);
}
_onDialogOpened(params: Protocol.Page.dialogOpenedPayload) {
this._page.browserContext.dialogManager.dialogDidOpen(new dialog.Dialog(
this._page,
params.type,
params.message,
async (accept: boolean, promptText?: string) => {
await this._session.sendMayFail('Page.handleDialog', { dialogId: params.dialogId, accept, promptText });
},
params.defaultValue));
}
async _onBindingCalled(event: Protocol.Page.bindingCalledPayload) {
const pageOrError = await this._page.waitForInitializedOrError();
if (!(pageOrError instanceof Error)) {
const context = this._contextIdToContext.get(event.executionContextId);
if (context)
await this._page.onBindingCalled(event.payload, context);
}
}
async _onFileChooserOpened(payload: Protocol.Page.fileChooserOpenedPayload) {
const { executionContextId, element } = payload;
const context = this._contextIdToContext.get(executionContextId);
if (!context)
return;
const handle = createHandle(context, element).asElement()!;
await this._page._onFileChooserOpened(handle);
}
async _onWorkerCreated(event: Protocol.Page.workerCreatedPayload) {
const workerId = event.workerId;
const worker = new Worker(this._page, event.url);
const workerSession = new FFSession(this._session._connection, workerId, (message: any) => {
this._session.send('Page.sendMessageToWorker', {
frameId: event.frameId,
workerId: workerId,
message: JSON.stringify(message)
}).catch(e => {
workerSession.dispatchMessage({ id: message.id, method: '', params: {}, error: { message: e.message, data: undefined } });
});
});
this._workers.set(workerId, { session: workerSession, frameId: event.frameId });
this._page.addWorker(workerId, worker);
workerSession.once('Runtime.executionContextCreated', event => {
worker.createExecutionContext(new FFExecutionContext(workerSession, event.executionContextId));
worker.workerScriptLoaded();
});
workerSession.on('Runtime.console', event => {
const { type, args, location } = event;
const context = worker.existingExecutionContext!;
this._page.addConsoleMessage(worker, type, args.map(arg => createHandle(context, arg)), location);
});
// Note: we receive worker exceptions directly from the page.
}
_onWorkerDestroyed(event: Protocol.Page.workerDestroyedPayload) {
const workerId = event.workerId;
const worker = this._workers.get(workerId);
if (!worker)
return;
worker.session.dispose();
this._workers.delete(workerId);
this._page.removeWorker(workerId);
}
async _onDispatchMessageFromWorker(event: Protocol.Page.dispatchMessageFromWorkerPayload) {
const worker = this._workers.get(event.workerId);
if (!worker)
return;
worker.session.dispatchMessage(JSON.parse(event.message));
}
async _onCrashed(event: Protocol.Page.crashedPayload) {
this._session.markAsCrashed();
this._page._didCrash();
}
didClose() {
this._markAsError(new TargetClosedError(this._page.closeReason()));
this._session.dispose();
eventsHelper.removeEventListeners(this._eventListeners);
this._networkManager.dispose();
this._page._didClose();
}
async navigateFrame(frame: frames.Frame, url: string, referer: string | undefined): Promise<frames.GotoResult> {
const response = await this._session.send('Page.navigate', { url, referer, frameId: frame._id });
return { newDocumentId: response.navigationId || undefined };
}
async updateExtraHTTPHeaders(): Promise<void> {
await this._session.send('Network.setExtraHTTPHeaders', { headers: this._page.extraHTTPHeaders() || [] });
}
async updateEmulatedViewportSize(): Promise<void> {
const viewportSize = this._page.emulatedSize()?.viewport ?? null;
await this._session.send('Page.setViewportSize', { viewportSize });
}
async bringToFront(): Promise<void> {
await this._session.send('Page.bringToFront', {});
}
async updateEmulateMedia(): Promise<void> {
const emulatedMedia = this._page.emulatedMedia();
const colorScheme = emulatedMedia.colorScheme === 'no-override' ? undefined : emulatedMedia.colorScheme;
const reducedMotion = emulatedMedia.reducedMotion === 'no-override' ? undefined : emulatedMedia.reducedMotion;
const forcedColors = emulatedMedia.forcedColors === 'no-override' ? undefined : emulatedMedia.forcedColors;
const contrast = emulatedMedia.contrast === 'no-override' ? undefined : emulatedMedia.contrast;
await this._session.send('Page.setEmulatedMedia', {
// Empty string means reset.
type: emulatedMedia.media === 'no-override' ? '' : emulatedMedia.media,
colorScheme,
reducedMotion,
forcedColors,
contrast,
});
}
async updateRequestInterception(): Promise<void> {
await this._networkManager.setRequestInterception(this._page.needsRequestInterception());
}
async updateFileChooserInterception() {
const enabled = this._page.fileChooserIntercepted();
await this._session.send('Page.setInterceptFileChooserDialog', { enabled }).catch(() => {}); // target can be closed.
}
async reload(): Promise<void> {
await this._session.send('Page.reload');
}
async goBack(): Promise<boolean> {
const { success } = await this._session.send('Page.goBack', { frameId: this._page.mainFrame()._id });
return success;
}
async goForward(): Promise<boolean> {
const { success } = await this._session.send('Page.goForward', { frameId: this._page.mainFrame()._id });
return success;
}
async requestGC(): Promise<void> {
await this._session.send('Heap.collectGarbage');
}
async addInitScript(initScript: InitScript, worldName?: string): Promise<void> {
this._initScripts.push({ initScript, worldName });
await this._updateInitScripts();
}
async removeInitScripts(initScripts: InitScript[]): Promise<void> {
const set = new Set(initScripts);
this._initScripts = this._initScripts.filter(s => !set.has(s.initScript));
await this._updateInitScripts();
}
private async _updateInitScripts() {
await this._session.send('Page.setInitScripts', { scripts: this._initScripts.map(s => ({ script: s.initScript.source, worldName: s.worldName })) });
}
async closePage(runBeforeUnload: boolean): Promise<void> {
await this._session.send('Page.close', { runBeforeUnload });
}
async setBackgroundColor(color?: { r: number; g: number; b: number; a: number; }): Promise<void> {
if (color)
throw new Error('Not implemented');
}
async takeScreenshot(progress: Progress, format: 'png' | 'jpeg', documentRect: types.Rect | undefined, viewportRect: types.Rect | undefined, quality: number | undefined, fitsViewport: boolean, scale: 'css' | 'device'): Promise<Buffer> {
if (!documentRect) {
const scrollOffset = await this._page.mainFrame().waitForFunctionValueInUtility(progress, () => ({ x: window.scrollX, y: window.scrollY }));
documentRect = {
x: viewportRect!.x + scrollOffset.x,
y: viewportRect!.y + scrollOffset.y,
width: viewportRect!.width,
height: viewportRect!.height,
};
}
const { data } = await progress.race(this._session.send('Page.screenshot', {
mimeType: ('image/' + format) as ('image/png' | 'image/jpeg'),
clip: documentRect,
quality,
omitDeviceScaleFactor: scale === 'css',
}));
return Buffer.from(data, 'base64');
}
async getContentFrame(handle: dom.ElementHandle): Promise<frames.Frame | null> {
const { contentFrameId } = await this._session.send('Page.describeNode', {
frameId: handle._context.frame._id,
objectId: handle._objectId,
});
if (!contentFrameId)
return null;
return this._page.frameManager.frame(contentFrameId);
}
async getOwnerFrame(handle: dom.ElementHandle): Promise<string | null> {
const { ownerFrameId } = await this._session.send('Page.describeNode', {
frameId: handle._context.frame._id,
objectId: handle._objectId
});
return ownerFrameId || null;
}
async getBoundingBox(handle: dom.ElementHandle): Promise<types.Rect | null> {
const quads = await this.getContentQuads(handle);
if (!quads || !quads.length)
return null;
let minX = Infinity;
let maxX = -Infinity;
let minY = Infinity;
let maxY = -Infinity;
for (const quad of quads) {
for (const point of quad) {
minX = Math.min(minX, point.x);
maxX = Math.max(maxX, point.x);
minY = Math.min(minY, point.y);
maxY = Math.max(maxY, point.y);
}
}
return { x: minX, y: minY, width: maxX - minX, height: maxY - minY };
}
async scrollRectIntoViewIfNeeded(handle: dom.ElementHandle, rect?: types.Rect): Promise<'error:notvisible' | 'error:notconnected' | 'done'> {
return await this._session.send('Page.scrollIntoViewIfNeeded', {
frameId: handle._context.frame._id,
objectId: handle._objectId,
rect,
}).then(() => 'done' as const).catch(e => {
if (e instanceof Error && e.message.includes('Node is detached from document'))
return 'error:notconnected';
if (e instanceof Error && e.message.includes('Node does not have a layout object'))
return 'error:notvisible';
throw e;
});
}
async startScreencast(options: { width: number, height: number, quality: number }): Promise<void> {
await this._session.send('Page.startScreencast', options);
}
async stopScreencast(): Promise<void> {
await this._session.sendMayFail('Page.stopScreencast');
}
private _onScreencastFrame(event: Protocol.Page.screencastFramePayload) {
this._page.screencast.throttleFrameAck(() => {
this._session.sendMayFail('Page.screencastFrameAck');
});
const buffer = Buffer.from(event.data, 'base64');
this._page.emit(Page.Events.ScreencastFrame, {
buffer,
frameSwapWallTime: event.timestamp * 1000, // timestamp is in seconds, we need to convert to milliseconds.
width: event.deviceWidth,
height: event.deviceHeight,
});
}
rafCountForStablePosition(): number {
return 1;
}
async getContentQuads(handle: dom.ElementHandle): Promise<types.Quad[] | null> {
const result = await this._session.sendMayFail('Page.getContentQuads', {
frameId: handle._context.frame._id,
objectId: handle._objectId,
});
if (!result)
return null;
return result.quads.map(quad => [quad.p1, quad.p2, quad.p3, quad.p4]);
}
async setInputFilePaths(handle: dom.ElementHandle<HTMLInputElement>, files: string[]): Promise<void> {
await this._session.send('Page.setFileInputFiles', {
frameId: handle._context.frame._id,
objectId: handle._objectId,
files
});
}
async adoptElementHandle<T extends Node>(handle: dom.ElementHandle<T>, to: dom.FrameExecutionContext): Promise<dom.ElementHandle<T>> {
const result = await this._session.send('Page.adoptNode', {
frameId: handle._context.frame._id,
objectId: handle._objectId,
executionContextId: (to.delegate as FFExecutionContext)._executionContextId
});
if (!result.remoteObject)
throw new Error(dom.kUnableToAdoptErrorMessage);
return createHandle(to, result.remoteObject) as dom.ElementHandle<T>;
}
async inputActionEpilogue(): Promise<void> {
}
async resetForReuse(progress: Progress): Promise<void> {
// Firefox sometimes keeps the last mouse position in the page,
// which affects things like hovered state.
// See https://github.com/microsoft/playwright/issues/22432.
// Move mouse to (-1, -1) to avoid anything being hovered.
await this.rawMouse.move(progress, -1, -1, 'none', new Set(), new Set(), false);
}
async getFrameElement(frame: frames.Frame): Promise<dom.ElementHandle> {
const parent = frame.parentFrame();
if (!parent)
throw new Error('Frame has been detached.');
const context = await parent._mainContext();
const result = await this._session.send('Page.adoptNode', {
frameId: frame._id,
executionContextId: (context.delegate as FFExecutionContext)._executionContextId
});
if (!result.remoteObject)
throw new Error('Frame has been detached.');
return createHandle(context, result.remoteObject) as dom.ElementHandle;
}
shouldToggleStyleSheetToSyncAnimations(): boolean {
return false;
}
}
function webSocketId(frameId: string, wsid: string): string {
return `${frameId}---${wsid}`;
}