mirror of
https://github.com/microsoft/playwright.git
synced 2025-06-26 21:40:17 +00:00
c4581e54c0
This restores the old hit target check, in addition to the new hit target interceptor. This way, we got some coverage for iframes and other quirky cases, but keep the bullet-proof hit target check in place.
1027 lines
46 KiB
TypeScript
1027 lines
46 KiB
TypeScript
/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { mime } from '../utilsBundle';
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import * as injectedScriptSource from '../generated/injectedScriptSource';
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import type * as channels from '../protocol/channels';
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import { isSessionClosedError } from './protocolError';
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import type { ScreenshotOptions } from './screenshotter';
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import type * as frames from './frames';
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import type { InjectedScript, InjectedScriptPoll, LogEntry, HitTargetInterceptionResult, ElementState } from './injected/injectedScript';
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import type { CallMetadata } from './instrumentation';
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import * as js from './javascript';
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import type { Page } from './page';
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import type { Progress } from './progress';
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import { ProgressController } from './progress';
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import type { SelectorInfo } from './selectors';
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import type * as types from './types';
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import type { TimeoutOptions } from '../common/types';
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import { isUnderTest } from '../utils';
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type SetInputFilesFiles = channels.ElementHandleSetInputFilesParams['files'];
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export type InputFilesItems = { files?: SetInputFilesFiles, localPaths?: string[] };
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type ActionName = 'click' | 'hover' | 'dblclick' | 'tap' | 'move and up' | 'move and down';
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export class NonRecoverableDOMError extends Error {
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}
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export function isNonRecoverableDOMError(error: Error) {
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return error instanceof NonRecoverableDOMError;
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}
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export class FrameExecutionContext extends js.ExecutionContext {
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readonly frame: frames.Frame;
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private _injectedScriptPromise?: Promise<js.JSHandle>;
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readonly world: types.World | null;
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constructor(delegate: js.ExecutionContextDelegate, frame: frames.Frame, world: types.World|null) {
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super(frame, delegate);
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this.frame = frame;
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this.world = world;
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}
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override async waitForSignalsCreatedBy<T>(action: () => Promise<T>): Promise<T> {
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return this.frame._page._frameManager.waitForSignalsCreatedBy(null, false, action);
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}
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override adoptIfNeeded(handle: js.JSHandle): Promise<js.JSHandle> | null {
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if (handle instanceof ElementHandle && handle._context !== this)
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return this.frame._page._delegate.adoptElementHandle(handle, this);
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return null;
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}
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async evaluate<Arg, R>(pageFunction: js.Func1<Arg, R>, arg?: Arg): Promise<R> {
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return js.evaluate(this, true /* returnByValue */, pageFunction, arg);
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}
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async evaluateHandle<Arg, R>(pageFunction: js.Func1<Arg, R>, arg?: Arg): Promise<js.SmartHandle<R>> {
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return js.evaluate(this, false /* returnByValue */, pageFunction, arg);
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}
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async evaluateExpression(expression: string, isFunction: boolean | undefined, arg?: any): Promise<any> {
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return js.evaluateExpression(this, true /* returnByValue */, expression, isFunction, arg);
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}
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async evaluateExpressionAndWaitForSignals(expression: string, isFunction: boolean | undefined, arg?: any): Promise<any> {
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return await this.frame._page._frameManager.waitForSignalsCreatedBy(null, false /* noWaitFor */, async () => {
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return this.evaluateExpression(expression, isFunction, arg);
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});
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}
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async evaluateExpressionHandleAndWaitForSignals(expression: string, isFunction: boolean | undefined, arg: any): Promise<any> {
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return await this.frame._page._frameManager.waitForSignalsCreatedBy(null, false /* noWaitFor */, async () => {
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return js.evaluateExpression(this, false /* returnByValue */, expression, isFunction, arg);
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});
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}
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override createHandle(remoteObject: js.RemoteObject): js.JSHandle {
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if (this.frame._page._delegate.isElementHandle(remoteObject))
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return new ElementHandle(this, remoteObject.objectId!);
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return super.createHandle(remoteObject);
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}
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injectedScript(): Promise<js.JSHandle<InjectedScript>> {
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if (!this._injectedScriptPromise) {
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const custom: string[] = [];
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for (const [name, { source }] of this.frame._page.selectors._engines)
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custom.push(`{ name: '${name}', engine: (${source}) }`);
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const source = `
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(() => {
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const module = {};
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${injectedScriptSource.source}
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return new module.exports(
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${isUnderTest()},
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${this.frame._page._delegate.rafCountForStablePosition()},
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"${this.frame._page._browserContext._browser.options.name}",
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[${custom.join(',\n')}]
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);
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})();
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`;
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this._injectedScriptPromise = this.rawEvaluateHandle(source).then(objectId => new js.JSHandle(this, 'object', undefined, objectId));
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}
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return this._injectedScriptPromise;
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}
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override async doSlowMo() {
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return this.frame._page._doSlowMo();
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}
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}
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export class ElementHandle<T extends Node = Node> extends js.JSHandle<T> {
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declare readonly _context: FrameExecutionContext;
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readonly _page: Page;
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declare readonly _objectId: string;
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readonly _frame: frames.Frame;
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constructor(context: FrameExecutionContext, objectId: string) {
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super(context, 'node', undefined, objectId);
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this._page = context.frame._page;
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this._frame = context.frame;
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this._initializePreview().catch(e => {});
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}
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async _initializePreview() {
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const utility = await this._context.injectedScript();
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this._setPreview(await utility.evaluate((injected, e) => 'JSHandle@' + injected.previewNode(e), this));
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}
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override asElement(): ElementHandle<T> | null {
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return this;
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}
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async evaluateInUtility<R, Arg>(pageFunction: js.Func1<[js.JSHandle<InjectedScript>, ElementHandle<T>, Arg], R>, arg: Arg): Promise<R | 'error:notconnected'> {
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try {
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const utility = await this._frame._utilityContext();
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return await utility.evaluate(pageFunction, [await utility.injectedScript(), this, arg]);
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} catch (e) {
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if (js.isJavaScriptErrorInEvaluate(e) || isSessionClosedError(e))
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throw e;
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return 'error:notconnected';
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}
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}
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async evaluateHandleInUtility<R, Arg>(pageFunction: js.Func1<[js.JSHandle<InjectedScript>, ElementHandle<T>, Arg], R>, arg: Arg): Promise<js.JSHandle<R> | 'error:notconnected'> {
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try {
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const utility = await this._frame._utilityContext();
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return await utility.evaluateHandle(pageFunction, [await utility.injectedScript(), this, arg]);
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} catch (e) {
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if (js.isJavaScriptErrorInEvaluate(e) || isSessionClosedError(e))
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throw e;
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return 'error:notconnected';
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}
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}
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async evaluatePoll<R, Arg>(progress: Progress, pageFunction: js.Func1<[js.JSHandle<InjectedScript>, ElementHandle<T>, Arg], InjectedScriptPoll<R>>, arg: Arg): Promise<R | 'error:notconnected'> {
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try {
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const utility = await this._frame._utilityContext();
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const poll = await utility.evaluateHandle(pageFunction, [await utility.injectedScript(), this, arg]);
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const pollHandler = new InjectedScriptPollHandler(progress, poll);
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return await pollHandler.finish();
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} catch (e) {
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if (js.isJavaScriptErrorInEvaluate(e) || isSessionClosedError(e))
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throw e;
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return 'error:notconnected';
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}
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}
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async ownerFrame(): Promise<frames.Frame | null> {
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const frameId = await this._page._delegate.getOwnerFrame(this);
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if (!frameId)
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return null;
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const frame = this._page._frameManager.frame(frameId);
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if (frame)
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return frame;
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for (const page of this._page._browserContext.pages()) {
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const frame = page._frameManager.frame(frameId);
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if (frame)
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return frame;
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}
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return null;
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}
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async isIframeElement(): Promise<boolean | 'error:notconnected'> {
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return this.evaluateInUtility(([injected, node]) => node && (node.nodeName === 'IFRAME' || node.nodeName === 'FRAME'), {});
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}
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async contentFrame(): Promise<frames.Frame | null> {
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const isFrameElement = throwRetargetableDOMError(await this.isIframeElement());
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if (!isFrameElement)
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return null;
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return this._page._delegate.getContentFrame(this);
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}
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async getAttribute(name: string): Promise<string | null> {
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return throwRetargetableDOMError(await this.evaluateInUtility(([injected, node, name]) => {
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if (node.nodeType !== Node.ELEMENT_NODE)
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throw injected.createStacklessError('Node is not an element');
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const element = node as unknown as Element;
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return { value: element.getAttribute(name) };
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}, name)).value;
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}
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async inputValue(): Promise<string> {
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return throwRetargetableDOMError(await this.evaluateInUtility(([injected, node]) => {
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const element = injected.retarget(node, 'follow-label');
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if (!element || (element.nodeName !== 'INPUT' && element.nodeName !== 'TEXTAREA' && element.nodeName !== 'SELECT'))
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throw injected.createStacklessError('Node is not an <input>, <textarea> or <select> element');
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return { value: (element as HTMLInputElement | HTMLTextAreaElement).value };
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}, undefined)).value;
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}
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async textContent(): Promise<string | null> {
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return throwRetargetableDOMError(await this.evaluateInUtility(([injected, node]) => {
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return { value: node.textContent };
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}, undefined)).value;
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}
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async innerText(): Promise<string> {
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return throwRetargetableDOMError(await this.evaluateInUtility(([injected, node]) => {
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if (node.nodeType !== Node.ELEMENT_NODE)
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throw injected.createStacklessError('Node is not an element');
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if ((node as unknown as Element).namespaceURI !== 'http://www.w3.org/1999/xhtml')
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throw injected.createStacklessError('Node is not an HTMLElement');
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const element = node as unknown as HTMLElement;
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return { value: element.innerText };
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}, undefined)).value;
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}
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async innerHTML(): Promise<string> {
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return throwRetargetableDOMError(await this.evaluateInUtility(([injected, node]) => {
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if (node.nodeType !== Node.ELEMENT_NODE)
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throw injected.createStacklessError('Node is not an element');
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const element = node as unknown as Element;
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return { value: element.innerHTML };
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}, undefined)).value;
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}
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async dispatchEvent(type: string, eventInit: Object = {}) {
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const main = await this._frame._mainContext();
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await this._page._frameManager.waitForSignalsCreatedBy(null, false /* noWaitFor */, async () => {
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return main.evaluate(([injected, node, { type, eventInit }]) => injected.dispatchEvent(node, type, eventInit), [await main.injectedScript(), this, { type, eventInit }] as const);
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});
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await this._page._doSlowMo();
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}
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async _scrollRectIntoViewIfNeeded(rect?: types.Rect): Promise<'error:notvisible' | 'error:notconnected' | 'done'> {
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return await this._page._delegate.scrollRectIntoViewIfNeeded(this, rect);
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}
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async _waitAndScrollIntoViewIfNeeded(progress: Progress, waitForVisible: boolean): Promise<void> {
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const timeouts = [0, 50, 100, 250];
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while (progress.isRunning()) {
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assertDone(throwRetargetableDOMError(await this._waitForElementStates(progress, waitForVisible ? ['visible', 'stable'] : ['stable'], false /* force */)));
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progress.throwIfAborted(); // Avoid action that has side-effects.
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const result = throwRetargetableDOMError(await this._scrollRectIntoViewIfNeeded());
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if (result === 'error:notvisible') {
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if (!waitForVisible) {
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// Wait for a timeout to avoid retrying too often when not waiting for visible.
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// If we wait for visible, this should be covered by _waitForElementStates instead.
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const timeout = timeouts.shift() ?? 500;
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progress.log(` element is not displayed, retrying in ${timeout}ms`);
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await new Promise(f => setTimeout(f, timeout));
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}
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continue;
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}
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assertDone(result);
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return;
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}
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}
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async scrollIntoViewIfNeeded(metadata: CallMetadata, options: types.TimeoutOptions = {}) {
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const controller = new ProgressController(metadata, this);
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return controller.run(
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progress => this._waitAndScrollIntoViewIfNeeded(progress, false /* waitForVisible */),
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this._page._timeoutSettings.timeout(options));
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}
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private async _clickablePoint(): Promise<types.Point | 'error:notvisible' | 'error:notinviewport'> {
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const intersectQuadWithViewport = (quad: types.Quad): types.Quad => {
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return quad.map(point => ({
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x: Math.min(Math.max(point.x, 0), metrics.width),
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y: Math.min(Math.max(point.y, 0), metrics.height),
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})) as types.Quad;
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};
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const computeQuadArea = (quad: types.Quad) => {
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// Compute sum of all directed areas of adjacent triangles
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// https://en.wikipedia.org/wiki/Polygon#Simple_polygons
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let area = 0;
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for (let i = 0; i < quad.length; ++i) {
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const p1 = quad[i];
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const p2 = quad[(i + 1) % quad.length];
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area += (p1.x * p2.y - p2.x * p1.y) / 2;
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}
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return Math.abs(area);
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};
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const [quads, metrics] = await Promise.all([
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this._page._delegate.getContentQuads(this),
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this._page.mainFrame()._utilityContext().then(utility => utility.evaluate(() => ({ width: innerWidth, height: innerHeight }))),
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] as const);
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if (!quads || !quads.length)
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return 'error:notvisible';
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// Allow 1x1 elements. Compensate for rounding errors by comparing with 0.99 instead.
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const filtered = quads.map(quad => intersectQuadWithViewport(quad)).filter(quad => computeQuadArea(quad) > 0.99);
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if (!filtered.length)
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return 'error:notinviewport';
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// Return the middle point of the first quad.
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const result = { x: 0, y: 0 };
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for (const point of filtered[0]) {
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result.x += point.x / 4;
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result.y += point.y / 4;
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}
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compensateHalfIntegerRoundingError(result);
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return result;
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}
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private async _offsetPoint(offset: types.Point): Promise<types.Point | 'error:notvisible' | 'error:notconnected'> {
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const [box, border] = await Promise.all([
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this.boundingBox(),
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this.evaluateInUtility(([injected, node]) => injected.getElementBorderWidth(node), {}).catch(e => {}),
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]);
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if (!box || !border)
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return 'error:notvisible';
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if (border === 'error:notconnected')
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return border;
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// Make point relative to the padding box to align with offsetX/offsetY.
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return {
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x: box.x + border.left + offset.x,
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y: box.y + border.top + offset.y,
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};
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}
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async _retryPointerAction(progress: Progress, actionName: ActionName, waitForEnabled: boolean, action: (point: types.Point) => Promise<void>,
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options: types.PointerActionOptions & types.PointerActionWaitOptions & types.NavigatingActionWaitOptions): Promise<'error:notconnected' | 'done'> {
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let retry = 0;
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// We progressively wait longer between retries, up to 500ms.
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const waitTime = [0, 20, 100, 100, 500];
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// By default, we scroll with protocol method to reveal the action point.
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// However, that might not work to scroll from under position:sticky elements
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// that overlay the target element. To fight this, we cycle through different
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// scroll alignments. This works in most scenarios.
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const scrollOptions: (ScrollIntoViewOptions | undefined)[] = [
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undefined,
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{ block: 'end', inline: 'end' },
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{ block: 'center', inline: 'center' },
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{ block: 'start', inline: 'start' },
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];
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while (progress.isRunning()) {
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if (retry) {
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progress.log(`retrying ${actionName} action${options.trial ? ' (trial run)' : ''}, attempt #${retry}`);
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const timeout = waitTime[Math.min(retry - 1, waitTime.length - 1)];
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if (timeout) {
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progress.log(` waiting ${timeout}ms`);
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const result = await this.evaluateInUtility(([injected, node, timeout]) => new Promise<void>(f => setTimeout(f, timeout)), timeout);
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if (result === 'error:notconnected')
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return result;
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}
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} else {
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progress.log(`attempting ${actionName} action${options.trial ? ' (trial run)' : ''}`);
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}
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const forceScrollOptions = scrollOptions[retry % scrollOptions.length];
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const result = await this._performPointerAction(progress, actionName, waitForEnabled, action, forceScrollOptions, options);
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++retry;
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if (result === 'error:notvisible') {
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if (options.force)
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throw new NonRecoverableDOMError('Element is not visible');
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progress.log(' element is not visible');
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continue;
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}
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if (result === 'error:notinviewport') {
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if (options.force)
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throw new NonRecoverableDOMError('Element is outside of the viewport');
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progress.log(' element is outside of the viewport');
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continue;
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}
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if (typeof result === 'object' && 'hitTargetDescription' in result) {
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progress.log(` ${result.hitTargetDescription} intercepts pointer events`);
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continue;
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}
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return result;
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}
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return 'done';
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}
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async _performPointerAction(progress: Progress, actionName: ActionName, waitForEnabled: boolean, action: (point: types.Point) => Promise<void>, forceScrollOptions: ScrollIntoViewOptions | undefined, options: types.PointerActionOptions & types.PointerActionWaitOptions & types.NavigatingActionWaitOptions): Promise<'error:notvisible' | 'error:notconnected' | 'error:notinviewport' | { hitTargetDescription: string } | 'done'> {
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const { force = false, position } = options;
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if ((options as any).__testHookBeforeStable)
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await (options as any).__testHookBeforeStable();
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const result = await this._waitForElementStates(progress, waitForEnabled ? ['visible', 'enabled', 'stable'] : ['visible', 'stable'], force);
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if (result !== 'done')
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return result;
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if ((options as any).__testHookAfterStable)
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await (options as any).__testHookAfterStable();
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progress.log(' scrolling into view if needed');
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progress.throwIfAborted(); // Avoid action that has side-effects.
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if (forceScrollOptions) {
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const scrolled = await this.evaluateInUtility(([injected, node, options]) => {
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if (node.nodeType === 1 /* Node.ELEMENT_NODE */)
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(node as Node as Element).scrollIntoView(options);
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}, forceScrollOptions);
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if (scrolled === 'error:notconnected')
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return scrolled;
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} else {
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const scrolled = await this._scrollRectIntoViewIfNeeded(position ? { x: position.x, y: position.y, width: 0, height: 0 } : undefined);
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if (scrolled !== 'done')
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return scrolled;
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}
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progress.log(' done scrolling');
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const maybePoint = position ? await this._offsetPoint(position) : await this._clickablePoint();
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if (typeof maybePoint === 'string')
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return maybePoint;
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const point = roundPoint(maybePoint);
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progress.metadata.point = point;
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await progress.beforeInputAction(this);
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let hitTargetInterceptionHandle: js.JSHandle<HitTargetInterceptionResult> | undefined;
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if (!options.force) {
|
|
if ((options as any).__testHookBeforeHitTarget)
|
|
await (options as any).__testHookBeforeHitTarget();
|
|
|
|
const hitPoint = await this._viewportPointToDocument(point);
|
|
if (hitPoint === 'error:notconnected')
|
|
return hitPoint;
|
|
const actionType = actionName === 'move and up' ? 'drag' : ((actionName === 'hover' || actionName === 'tap') ? actionName : 'mouse');
|
|
const handle = await this.evaluateHandleInUtility(([injected, node, { actionType, hitPoint, trial }]) => injected.setupHitTargetInterceptor(node, actionType, hitPoint, trial), { actionType, hitPoint, trial: !!options.trial } as const);
|
|
if (handle === 'error:notconnected')
|
|
return handle;
|
|
if (!handle._objectId) {
|
|
const error = handle.rawValue() as string;
|
|
if (error === 'error:notconnected')
|
|
return error;
|
|
return { hitTargetDescription: error };
|
|
}
|
|
hitTargetInterceptionHandle = handle as any;
|
|
progress.cleanupWhenAborted(() => {
|
|
// Do not await here, just in case the renderer is stuck (e.g. on alert)
|
|
// and we won't be able to cleanup.
|
|
hitTargetInterceptionHandle!.evaluate(h => h.stop()).catch(e => {});
|
|
});
|
|
}
|
|
|
|
const actionResult = await this._page._frameManager.waitForSignalsCreatedBy(progress, options.noWaitAfter, async () => {
|
|
if ((options as any).__testHookBeforePointerAction)
|
|
await (options as any).__testHookBeforePointerAction();
|
|
progress.throwIfAborted(); // Avoid action that has side-effects.
|
|
let restoreModifiers: types.KeyboardModifier[] | undefined;
|
|
if (options && options.modifiers)
|
|
restoreModifiers = await this._page.keyboard._ensureModifiers(options.modifiers);
|
|
progress.log(` performing ${actionName} action`);
|
|
await action(point);
|
|
if (restoreModifiers)
|
|
await this._page.keyboard._ensureModifiers(restoreModifiers);
|
|
if (hitTargetInterceptionHandle) {
|
|
const stopHitTargetInterception = hitTargetInterceptionHandle.evaluate(h => h.stop()).catch(e => 'done' as const);
|
|
if (!options.noWaitAfter) {
|
|
// When noWaitAfter is passed, we do not want to accidentally stall on
|
|
// non-committed navigation blocking the evaluate.
|
|
const hitTargetResult = await stopHitTargetInterception;
|
|
if (hitTargetResult !== 'done')
|
|
return hitTargetResult;
|
|
}
|
|
}
|
|
progress.log(` ${options.trial ? 'trial ' : ''}${actionName} action done`);
|
|
progress.log(' waiting for scheduled navigations to finish');
|
|
if ((options as any).__testHookAfterPointerAction)
|
|
await (options as any).__testHookAfterPointerAction();
|
|
return 'done';
|
|
}, 'input');
|
|
if (actionResult !== 'done')
|
|
return actionResult;
|
|
progress.log(' navigations have finished');
|
|
return 'done';
|
|
}
|
|
|
|
async hover(metadata: CallMetadata, options: types.PointerActionOptions & types.PointerActionWaitOptions): Promise<void> {
|
|
const controller = new ProgressController(metadata, this);
|
|
return controller.run(async progress => {
|
|
const result = await this._hover(progress, options);
|
|
return assertDone(throwRetargetableDOMError(result));
|
|
}, this._page._timeoutSettings.timeout(options));
|
|
}
|
|
|
|
_hover(progress: Progress, options: types.PointerActionOptions & types.PointerActionWaitOptions): Promise<'error:notconnected' | 'done'> {
|
|
return this._retryPointerAction(progress, 'hover', false /* waitForEnabled */, point => this._page.mouse.move(point.x, point.y), options);
|
|
}
|
|
|
|
async click(metadata: CallMetadata, options: types.MouseClickOptions & types.PointerActionWaitOptions & types.NavigatingActionWaitOptions = {}): Promise<void> {
|
|
const controller = new ProgressController(metadata, this);
|
|
return controller.run(async progress => {
|
|
const result = await this._click(progress, options);
|
|
return assertDone(throwRetargetableDOMError(result));
|
|
}, this._page._timeoutSettings.timeout(options));
|
|
}
|
|
|
|
_click(progress: Progress, options: types.MouseClickOptions & types.PointerActionWaitOptions & types.NavigatingActionWaitOptions): Promise<'error:notconnected' | 'done'> {
|
|
return this._retryPointerAction(progress, 'click', true /* waitForEnabled */, point => this._page.mouse.click(point.x, point.y, options), options);
|
|
}
|
|
|
|
async dblclick(metadata: CallMetadata, options: types.MouseMultiClickOptions & types.PointerActionWaitOptions & types.NavigatingActionWaitOptions): Promise<void> {
|
|
const controller = new ProgressController(metadata, this);
|
|
return controller.run(async progress => {
|
|
const result = await this._dblclick(progress, options);
|
|
return assertDone(throwRetargetableDOMError(result));
|
|
}, this._page._timeoutSettings.timeout(options));
|
|
}
|
|
|
|
_dblclick(progress: Progress, options: types.MouseMultiClickOptions & types.PointerActionWaitOptions & types.NavigatingActionWaitOptions): Promise<'error:notconnected' | 'done'> {
|
|
return this._retryPointerAction(progress, 'dblclick', true /* waitForEnabled */, point => this._page.mouse.dblclick(point.x, point.y, options), options);
|
|
}
|
|
|
|
async tap(metadata: CallMetadata, options: types.PointerActionWaitOptions & types.NavigatingActionWaitOptions = {}): Promise<void> {
|
|
const controller = new ProgressController(metadata, this);
|
|
return controller.run(async progress => {
|
|
const result = await this._tap(progress, options);
|
|
return assertDone(throwRetargetableDOMError(result));
|
|
}, this._page._timeoutSettings.timeout(options));
|
|
}
|
|
|
|
_tap(progress: Progress, options: types.PointerActionWaitOptions & types.NavigatingActionWaitOptions): Promise<'error:notconnected' | 'done'> {
|
|
return this._retryPointerAction(progress, 'tap', true /* waitForEnabled */, point => this._page.touchscreen.tap(point.x, point.y), options);
|
|
}
|
|
|
|
async selectOption(metadata: CallMetadata, elements: ElementHandle[], values: types.SelectOption[], options: types.NavigatingActionWaitOptions & types.ForceOptions): Promise<string[]> {
|
|
const controller = new ProgressController(metadata, this);
|
|
return controller.run(async progress => {
|
|
const result = await this._selectOption(progress, elements, values, options);
|
|
return throwRetargetableDOMError(result);
|
|
}, this._page._timeoutSettings.timeout(options));
|
|
}
|
|
|
|
async _selectOption(progress: Progress, elements: ElementHandle[], values: types.SelectOption[], options: types.NavigatingActionWaitOptions & types.ForceOptions): Promise<string[] | 'error:notconnected'> {
|
|
const optionsToSelect = [...elements, ...values];
|
|
await progress.beforeInputAction(this);
|
|
return this._page._frameManager.waitForSignalsCreatedBy(progress, options.noWaitAfter, async () => {
|
|
progress.throwIfAborted(); // Avoid action that has side-effects.
|
|
progress.log(' selecting specified option(s)');
|
|
const result = await this.evaluatePoll(progress, ([injected, node, { optionsToSelect, force }]) => {
|
|
return injected.waitForElementStatesAndPerformAction(node, ['visible', 'enabled'], force, injected.selectOptions.bind(injected, optionsToSelect));
|
|
}, { optionsToSelect, force: options.force });
|
|
await this._page._doSlowMo();
|
|
return result;
|
|
});
|
|
}
|
|
|
|
async fill(metadata: CallMetadata, value: string, options: types.NavigatingActionWaitOptions & types.ForceOptions = {}): Promise<void> {
|
|
const controller = new ProgressController(metadata, this);
|
|
return controller.run(async progress => {
|
|
const result = await this._fill(progress, value, options);
|
|
assertDone(throwRetargetableDOMError(result));
|
|
}, this._page._timeoutSettings.timeout(options));
|
|
}
|
|
|
|
async _fill(progress: Progress, value: string, options: types.NavigatingActionWaitOptions & types.ForceOptions): Promise<'error:notconnected' | 'done'> {
|
|
progress.log(`elementHandle.fill("${value}")`);
|
|
await progress.beforeInputAction(this);
|
|
return this._page._frameManager.waitForSignalsCreatedBy(progress, options.noWaitAfter, async () => {
|
|
progress.log(' waiting for element to be visible, enabled and editable');
|
|
const filled = await this.evaluatePoll(progress, ([injected, node, { value, force }]) => {
|
|
return injected.waitForElementStatesAndPerformAction(node, ['visible', 'enabled', 'editable'], force, injected.fill.bind(injected, value));
|
|
}, { value, force: options.force });
|
|
progress.throwIfAborted(); // Avoid action that has side-effects.
|
|
if (filled === 'error:notconnected')
|
|
return filled;
|
|
progress.log(' element is visible, enabled and editable');
|
|
if (filled === 'needsinput') {
|
|
progress.throwIfAborted(); // Avoid action that has side-effects.
|
|
if (value)
|
|
await this._page.keyboard.insertText(value);
|
|
else
|
|
await this._page.keyboard.press('Delete');
|
|
} else {
|
|
assertDone(filled);
|
|
}
|
|
return 'done';
|
|
}, 'input');
|
|
}
|
|
|
|
async selectText(metadata: CallMetadata, options: types.TimeoutOptions & types.ForceOptions = {}): Promise<void> {
|
|
const controller = new ProgressController(metadata, this);
|
|
return controller.run(async progress => {
|
|
progress.throwIfAborted(); // Avoid action that has side-effects.
|
|
const result = await this.evaluatePoll(progress, ([injected, node, force]) => {
|
|
return injected.waitForElementStatesAndPerformAction(node, ['visible'], force, injected.selectText.bind(injected));
|
|
}, options.force);
|
|
assertDone(throwRetargetableDOMError(result));
|
|
}, this._page._timeoutSettings.timeout(options));
|
|
}
|
|
|
|
async setInputFiles(metadata: CallMetadata, items: InputFilesItems, options: types.NavigatingActionWaitOptions) {
|
|
const controller = new ProgressController(metadata, this);
|
|
return controller.run(async progress => {
|
|
const result = await this._setInputFiles(progress, items, options);
|
|
return assertDone(throwRetargetableDOMError(result));
|
|
}, this._page._timeoutSettings.timeout(options));
|
|
}
|
|
|
|
async _setInputFiles(progress: Progress, items: InputFilesItems, options: types.NavigatingActionWaitOptions): Promise<'error:notconnected' | 'done'> {
|
|
const { files, localPaths } = items;
|
|
if (files) {
|
|
for (const payload of files) {
|
|
if (!payload.mimeType)
|
|
payload.mimeType = mime.getType(payload.name) || 'application/octet-stream';
|
|
}
|
|
}
|
|
const multiple = files && files.length > 1 || localPaths && localPaths.length > 1;
|
|
const result = await this.evaluateHandleInUtility(([injected, node, multiple]): Element | undefined => {
|
|
const element = injected.retarget(node, 'follow-label');
|
|
if (!element)
|
|
return;
|
|
if (element.tagName !== 'INPUT')
|
|
throw injected.createStacklessError('Node is not an HTMLInputElement');
|
|
if (multiple && !(element as HTMLInputElement).multiple)
|
|
throw injected.createStacklessError('Non-multiple file input can only accept single file');
|
|
return element;
|
|
}, multiple);
|
|
if (result === 'error:notconnected' || !result.asElement())
|
|
return 'error:notconnected';
|
|
const retargeted = result.asElement() as ElementHandle<HTMLInputElement>;
|
|
await progress.beforeInputAction(this);
|
|
await this._page._frameManager.waitForSignalsCreatedBy(progress, options.noWaitAfter, async () => {
|
|
progress.throwIfAborted(); // Avoid action that has side-effects.
|
|
if (localPaths)
|
|
await this._page._delegate.setInputFilePaths(retargeted, localPaths);
|
|
else
|
|
await this._page._delegate.setInputFiles(retargeted, files as types.FilePayload[]);
|
|
});
|
|
await this._page._doSlowMo();
|
|
return 'done';
|
|
}
|
|
|
|
async focus(metadata: CallMetadata): Promise<void> {
|
|
const controller = new ProgressController(metadata, this);
|
|
await controller.run(async progress => {
|
|
const result = await this._focus(progress);
|
|
await this._page._doSlowMo();
|
|
return assertDone(throwRetargetableDOMError(result));
|
|
}, 0);
|
|
}
|
|
|
|
async _focus(progress: Progress, resetSelectionIfNotFocused?: boolean): Promise<'error:notconnected' | 'done'> {
|
|
progress.throwIfAborted(); // Avoid action that has side-effects.
|
|
return await this.evaluateInUtility(([injected, node, resetSelectionIfNotFocused]) => injected.focusNode(node, resetSelectionIfNotFocused), resetSelectionIfNotFocused);
|
|
}
|
|
|
|
async type(metadata: CallMetadata, text: string, options: { delay?: number } & types.NavigatingActionWaitOptions): Promise<void> {
|
|
const controller = new ProgressController(metadata, this);
|
|
return controller.run(async progress => {
|
|
const result = await this._type(progress, text, options);
|
|
return assertDone(throwRetargetableDOMError(result));
|
|
}, this._page._timeoutSettings.timeout(options));
|
|
}
|
|
|
|
async _type(progress: Progress, text: string, options: { delay?: number } & types.NavigatingActionWaitOptions): Promise<'error:notconnected' | 'done'> {
|
|
progress.log(`elementHandle.type("${text}")`);
|
|
await progress.beforeInputAction(this);
|
|
return this._page._frameManager.waitForSignalsCreatedBy(progress, options.noWaitAfter, async () => {
|
|
const result = await this._focus(progress, true /* resetSelectionIfNotFocused */);
|
|
if (result !== 'done')
|
|
return result;
|
|
progress.throwIfAborted(); // Avoid action that has side-effects.
|
|
await this._page.keyboard.type(text, options);
|
|
return 'done';
|
|
}, 'input');
|
|
}
|
|
|
|
async press(metadata: CallMetadata, key: string, options: { delay?: number } & types.NavigatingActionWaitOptions): Promise<void> {
|
|
const controller = new ProgressController(metadata, this);
|
|
return controller.run(async progress => {
|
|
const result = await this._press(progress, key, options);
|
|
return assertDone(throwRetargetableDOMError(result));
|
|
}, this._page._timeoutSettings.timeout(options));
|
|
}
|
|
|
|
async _press(progress: Progress, key: string, options: { delay?: number } & types.NavigatingActionWaitOptions): Promise<'error:notconnected' | 'done'> {
|
|
progress.log(`elementHandle.press("${key}")`);
|
|
await progress.beforeInputAction(this);
|
|
return this._page._frameManager.waitForSignalsCreatedBy(progress, options.noWaitAfter, async () => {
|
|
const result = await this._focus(progress, true /* resetSelectionIfNotFocused */);
|
|
if (result !== 'done')
|
|
return result;
|
|
progress.throwIfAborted(); // Avoid action that has side-effects.
|
|
await this._page.keyboard.press(key, options);
|
|
return 'done';
|
|
}, 'input');
|
|
}
|
|
|
|
async check(metadata: CallMetadata, options: { position?: types.Point } & types.PointerActionWaitOptions & types.NavigatingActionWaitOptions) {
|
|
const controller = new ProgressController(metadata, this);
|
|
return controller.run(async progress => {
|
|
const result = await this._setChecked(progress, true, options);
|
|
return assertDone(throwRetargetableDOMError(result));
|
|
}, this._page._timeoutSettings.timeout(options));
|
|
}
|
|
|
|
async uncheck(metadata: CallMetadata, options: { position?: types.Point } & types.PointerActionWaitOptions & types.NavigatingActionWaitOptions) {
|
|
const controller = new ProgressController(metadata, this);
|
|
return controller.run(async progress => {
|
|
const result = await this._setChecked(progress, false, options);
|
|
return assertDone(throwRetargetableDOMError(result));
|
|
}, this._page._timeoutSettings.timeout(options));
|
|
}
|
|
|
|
async _setChecked(progress: Progress, state: boolean, options: { position?: types.Point } & types.PointerActionWaitOptions & types.NavigatingActionWaitOptions): Promise<'error:notconnected' | 'done'> {
|
|
const isChecked = async () => {
|
|
const result = await this.evaluateInUtility(([injected, node]) => injected.elementState(node, 'checked'), {});
|
|
return throwRetargetableDOMError(result);
|
|
};
|
|
if (await isChecked() === state)
|
|
return 'done';
|
|
const result = await this._click(progress, options);
|
|
if (result !== 'done')
|
|
return result;
|
|
if (options.trial)
|
|
return 'done';
|
|
if (await isChecked() !== state)
|
|
throw new NonRecoverableDOMError('Clicking the checkbox did not change its state');
|
|
return 'done';
|
|
}
|
|
|
|
async boundingBox(): Promise<types.Rect | null> {
|
|
return this._page._delegate.getBoundingBox(this);
|
|
}
|
|
|
|
async screenshot(metadata: CallMetadata, options: ScreenshotOptions & TimeoutOptions = {}): Promise<Buffer> {
|
|
const controller = new ProgressController(metadata, this);
|
|
return controller.run(
|
|
progress => this._page._screenshotter.screenshotElement(progress, this, options),
|
|
this._page._timeoutSettings.timeout(options));
|
|
}
|
|
|
|
async querySelector(selector: string, options: types.StrictOptions): Promise<ElementHandle | null> {
|
|
const pair = await this._frame.resolveFrameForSelectorNoWait(selector, options, this);
|
|
if (!pair)
|
|
return null;
|
|
const { frame, info } = pair;
|
|
// If we end up in the same frame => use the scope again, line above was noop.
|
|
return this._page.selectors.query(frame, info, this._frame === frame ? this : undefined);
|
|
}
|
|
|
|
async querySelectorAll(selector: string): Promise<ElementHandle<Element>[]> {
|
|
const pair = await this._frame.resolveFrameForSelectorNoWait(selector, {}, this);
|
|
if (!pair)
|
|
return [];
|
|
const { frame, info } = pair;
|
|
// If we end up in the same frame => use the scope again, line above was noop.
|
|
return this._page.selectors._queryAll(frame, info, this._frame === frame ? this : undefined, true /* adoptToMain */);
|
|
}
|
|
|
|
async evalOnSelectorAndWaitForSignals(selector: string, strict: boolean, expression: string, isFunction: boolean | undefined, arg: any): Promise<any> {
|
|
const pair = await this._frame.resolveFrameForSelectorNoWait(selector, { strict }, this);
|
|
// If we end up in the same frame => use the scope again, line above was noop.
|
|
const handle = pair ? await this._page.selectors.query(pair.frame, pair.info, this._frame === pair.frame ? this : undefined) : null;
|
|
if (!handle)
|
|
throw new Error(`Error: failed to find element matching selector "${selector}"`);
|
|
const result = await handle.evaluateExpressionAndWaitForSignals(expression, isFunction, true, arg);
|
|
handle.dispose();
|
|
return result;
|
|
}
|
|
|
|
async evalOnSelectorAllAndWaitForSignals(selector: string, expression: string, isFunction: boolean | undefined, arg: any): Promise<any> {
|
|
const pair = await this._frame.resolveFrameForSelectorNoWait(selector, {}, this);
|
|
if (!pair)
|
|
throw new Error(`Error: failed to find frame for selector "${selector}"`);
|
|
const { frame, info } = pair;
|
|
// If we end up in the same frame => use the scope again, line above was noop.
|
|
const arrayHandle = await this._page.selectors._queryArrayInMainWorld(frame, info, this._frame === frame ? this : undefined);
|
|
const result = await arrayHandle.evaluateExpressionAndWaitForSignals(expression, isFunction, true, arg);
|
|
arrayHandle.dispose();
|
|
return result;
|
|
}
|
|
|
|
async isVisible(): Promise<boolean> {
|
|
const result = await this.evaluateInUtility(([injected, node]) => injected.elementState(node, 'visible'), {});
|
|
if (result === 'error:notconnected')
|
|
return false;
|
|
return result;
|
|
}
|
|
|
|
async isHidden(): Promise<boolean> {
|
|
const result = await this.evaluateInUtility(([injected, node]) => injected.elementState(node, 'hidden'), {});
|
|
return throwRetargetableDOMError(result);
|
|
}
|
|
|
|
async isEnabled(): Promise<boolean> {
|
|
const result = await this.evaluateInUtility(([injected, node]) => injected.elementState(node, 'enabled'), {});
|
|
return throwRetargetableDOMError(result);
|
|
}
|
|
|
|
async isDisabled(): Promise<boolean> {
|
|
const result = await this.evaluateInUtility(([injected, node]) => injected.elementState(node, 'disabled'), {});
|
|
return throwRetargetableDOMError(result);
|
|
}
|
|
|
|
async isEditable(): Promise<boolean> {
|
|
const result = await this.evaluateInUtility(([injected, node]) => injected.elementState(node, 'editable'), {});
|
|
return throwRetargetableDOMError(result);
|
|
}
|
|
|
|
async isChecked(): Promise<boolean> {
|
|
const result = await this.evaluateInUtility(([injected, node]) => injected.elementState(node, 'checked'), {});
|
|
return throwRetargetableDOMError(result);
|
|
}
|
|
|
|
async waitForElementState(metadata: CallMetadata, state: 'visible' | 'hidden' | 'stable' | 'enabled' | 'disabled' | 'editable', options: types.TimeoutOptions = {}): Promise<void> {
|
|
const controller = new ProgressController(metadata, this);
|
|
return controller.run(async progress => {
|
|
progress.log(` waiting for element to be ${state}`);
|
|
const result = await this.evaluatePoll(progress, ([injected, node, state]) => {
|
|
return injected.waitForElementStatesAndPerformAction(node, [state], false, () => 'done' as const);
|
|
}, state);
|
|
assertDone(throwRetargetableDOMError(result));
|
|
}, this._page._timeoutSettings.timeout(options));
|
|
}
|
|
|
|
async waitForSelector(metadata: CallMetadata, selector: string, options: types.WaitForElementOptions = {}): Promise<ElementHandle<Element> | null> {
|
|
return this._frame.waitForSelector(metadata, selector, options, this);
|
|
}
|
|
|
|
async _adoptTo(context: FrameExecutionContext): Promise<ElementHandle<T>> {
|
|
if (this._context !== context) {
|
|
const adopted = await this._page._delegate.adoptElementHandle(this, context);
|
|
this.dispose();
|
|
return adopted;
|
|
}
|
|
return this;
|
|
}
|
|
|
|
async _waitForElementStates(progress: Progress, states: ElementState[], force: boolean): Promise<'error:notconnected' | 'done'> {
|
|
const title = joinWithAnd(states);
|
|
progress.log(` waiting for element to be ${title}`);
|
|
const result = await this.evaluatePoll(progress, ([injected, node, { states, force }]) => {
|
|
return injected.waitForElementStatesAndPerformAction(node, states, force, () => 'done' as const);
|
|
}, { states, force });
|
|
if (result === 'error:notconnected')
|
|
return result;
|
|
progress.log(` element is ${title}`);
|
|
return result;
|
|
}
|
|
|
|
async _viewportPointToDocument(point: types.Point): Promise<types.Point | 'error:notconnected'> {
|
|
if (!this._frame.parentFrame())
|
|
return point;
|
|
const frame = await this.ownerFrame();
|
|
if (frame && frame.parentFrame()) {
|
|
const element = await frame.frameElement();
|
|
const box = await element.boundingBox();
|
|
if (!box)
|
|
return 'error:notconnected';
|
|
// Translate from viewport coordinates to frame coordinates.
|
|
point = { x: point.x - box.x, y: point.y - box.y };
|
|
}
|
|
return point;
|
|
}
|
|
}
|
|
|
|
// Handles an InjectedScriptPoll running in injected script:
|
|
// - streams logs into progress;
|
|
// - cancels the poll when progress cancels.
|
|
export class InjectedScriptPollHandler<T> {
|
|
private _progress: Progress;
|
|
private _poll: js.JSHandle<InjectedScriptPoll<T>> | null;
|
|
|
|
constructor(progress: Progress, poll: js.JSHandle<InjectedScriptPoll<T>>) {
|
|
this._progress = progress;
|
|
this._poll = poll;
|
|
// Ensure we cancel the poll before progress aborts and returns:
|
|
// - no unnecessary work in the page;
|
|
// - no possible side effects after progress promsie rejects.
|
|
this._progress.cleanupWhenAborted(() => this.cancel());
|
|
this._streamLogs();
|
|
}
|
|
|
|
private async _streamLogs() {
|
|
while (this._poll && this._progress.isRunning()) {
|
|
const log = await this._poll.evaluate(poll => poll.takeNextLogs()).catch(e => [] as LogEntry[]);
|
|
if (!this._poll || !this._progress.isRunning())
|
|
return;
|
|
for (const entry of log)
|
|
this._progress.logEntry(entry);
|
|
}
|
|
}
|
|
|
|
async finishHandle(): Promise<js.SmartHandle<T>> {
|
|
try {
|
|
const result = await this._poll!.evaluateHandle(poll => poll.run());
|
|
await this._finishInternal();
|
|
return result;
|
|
} finally {
|
|
await this.cancel();
|
|
}
|
|
}
|
|
|
|
async finish(): Promise<T> {
|
|
try {
|
|
const result = await this._poll!.evaluate(poll => poll.run());
|
|
await this._finishInternal();
|
|
return result;
|
|
} finally {
|
|
await this.cancel();
|
|
}
|
|
}
|
|
|
|
private async _finishInternal() {
|
|
if (!this._poll)
|
|
return;
|
|
// Retrieve all the logs before continuing.
|
|
const log = await this._poll.evaluate(poll => poll.takeLastLogs()).catch(e => [] as LogEntry[]);
|
|
for (const entry of log)
|
|
this._progress.logEntry(entry);
|
|
}
|
|
|
|
async cancel() {
|
|
if (!this._poll)
|
|
return;
|
|
const copy = this._poll;
|
|
this._poll = null;
|
|
await copy.evaluate(p => p.cancel()).catch(e => {});
|
|
copy.dispose();
|
|
}
|
|
}
|
|
|
|
export function throwRetargetableDOMError<T>(result: T | 'error:notconnected'): T {
|
|
if (result === 'error:notconnected')
|
|
throw new Error('Element is not attached to the DOM');
|
|
return result;
|
|
}
|
|
|
|
export function assertDone(result: 'done'): void {
|
|
// This function converts 'done' to void and ensures typescript catches unhandled errors.
|
|
}
|
|
|
|
function roundPoint(point: types.Point): types.Point {
|
|
return {
|
|
x: (point.x * 100 | 0) / 100,
|
|
y: (point.y * 100 | 0) / 100,
|
|
};
|
|
}
|
|
|
|
function compensateHalfIntegerRoundingError(point: types.Point) {
|
|
// Firefox internally uses integer coordinates, so 8.5 is converted to 9 when clicking.
|
|
//
|
|
// This does not work nicely for small elements. For example, 1x1 square with corners
|
|
// (8;8) and (9;9) is targeted when clicking at (8;8) but not when clicking at (9;9).
|
|
// So, clicking at (8.5;8.5) will effectively click at (9;9) and miss the target.
|
|
//
|
|
// Therefore, we skew half-integer values from the interval (8.49, 8.51) towards
|
|
// (8.47, 8.49) that is rounded towards 8. This means clicking at (8.5;8.5) will
|
|
// be replaced with (8.48;8.48) and will effectively click at (8;8).
|
|
//
|
|
// Other browsers use float coordinates, so this change should not matter.
|
|
const remainderX = point.x - Math.floor(point.x);
|
|
if (remainderX > 0.49 && remainderX < 0.51)
|
|
point.x -= 0.02;
|
|
const remainderY = point.y - Math.floor(point.y);
|
|
if (remainderY > 0.49 && remainderY < 0.51)
|
|
point.y -= 0.02;
|
|
}
|
|
|
|
export type SchedulableTask<T> = (injectedScript: js.JSHandle<InjectedScript>) => Promise<js.JSHandle<InjectedScriptPoll<T>>>;
|
|
|
|
export function waitForSelectorTask(selector: SelectorInfo, state: 'attached' | 'detached' | 'visible' | 'hidden', omitReturnValue?: boolean, root?: ElementHandle): SchedulableTask<Element | undefined> {
|
|
return injectedScript => injectedScript.evaluateHandle((injected, { parsed, strict, state, omitReturnValue, root }) => {
|
|
let lastElement: Element | undefined;
|
|
|
|
return injected.pollRaf(progress => {
|
|
const elements = injected.querySelectorAll(parsed, root || document);
|
|
let element: Element | undefined = elements[0];
|
|
const visible = element ? injected.isVisible(element) : false;
|
|
|
|
if (lastElement !== element) {
|
|
lastElement = element;
|
|
if (!element) {
|
|
progress.log(` selector did not resolve to any element`);
|
|
} else {
|
|
if (elements.length > 1) {
|
|
if (strict)
|
|
throw injected.strictModeViolationError(parsed, elements);
|
|
progress.log(` selector resolved to ${elements.length} elements. Proceeding with the first one.`);
|
|
}
|
|
progress.log(` selector resolved to ${visible ? 'visible' : 'hidden'} ${injected.previewNode(element)}`);
|
|
}
|
|
}
|
|
|
|
const hasElement = !!element;
|
|
if (omitReturnValue)
|
|
element = undefined;
|
|
|
|
switch (state) {
|
|
case 'attached':
|
|
return hasElement ? element : progress.continuePolling;
|
|
case 'detached':
|
|
return !hasElement ? undefined : progress.continuePolling;
|
|
case 'visible':
|
|
return visible ? element : progress.continuePolling;
|
|
case 'hidden':
|
|
return !visible ? undefined : progress.continuePolling;
|
|
}
|
|
});
|
|
}, { parsed: selector.parsed, strict: selector.strict, state, omitReturnValue, root });
|
|
}
|
|
|
|
function joinWithAnd(strings: string[]): string {
|
|
if (strings.length < 1)
|
|
return strings.join(', ');
|
|
return strings.slice(0, strings.length - 1).join(', ') + ' and ' + strings[strings.length - 1];
|
|
}
|
|
|
|
export const kUnableToAdoptErrorMessage = 'Unable to adopt element handle from a different document';
|