/** * Copyright 2017 Google Inc. All rights reserved. * * 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 { assert } from './assert.js'; import { keyDefinitions } from './USKeyboardLayout.js'; /** * Keyboard provides an api for managing a virtual keyboard. * The high level api is {@link Keyboard."type"}, * which takes raw characters and generates proper keydown, keypress/input, * and keyup events on your page. * * @remarks * For finer control, you can use {@link Keyboard.down}, * {@link Keyboard.up}, and {@link Keyboard.sendCharacter} * to manually fire events as if they were generated from a real keyboard. * * On MacOS, keyboard shortcuts like `⌘ A` -\> Select All do not work. * See {@link https://github.com/puppeteer/puppeteer/issues/1313 | #1313}. * * @example * An example of holding down `Shift` in order to select and delete some text: * ```js * await page.keyboard.type('Hello World!'); * await page.keyboard.press('ArrowLeft'); * * await page.keyboard.down('Shift'); * for (let i = 0; i < ' World'.length; i++) * await page.keyboard.press('ArrowLeft'); * await page.keyboard.up('Shift'); * * await page.keyboard.press('Backspace'); * // Result text will end up saying 'Hello!' * ``` * * @example * An example of pressing `A` * ```js * await page.keyboard.down('Shift'); * await page.keyboard.press('KeyA'); * await page.keyboard.up('Shift'); * ``` * * @public */ export class Keyboard { /** @internal */ constructor(client) { /** @internal */ this._modifiers = 0; this._pressedKeys = new Set(); this._client = client; } /** * Dispatches a `keydown` event. * * @remarks * If `key` is a single character and no modifier keys besides `Shift` * are being held down, a `keypress`/`input` event will also generated. * The `text` option can be specified to force an input event to be generated. * If `key` is a modifier key, `Shift`, `Meta`, `Control`, or `Alt`, * subsequent key presses will be sent with that modifier active. * To release the modifier key, use {@link Keyboard.up}. * * After the key is pressed once, subsequent calls to * {@link Keyboard.down} will have * {@link https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/repeat | repeat} * set to true. To release the key, use {@link Keyboard.up}. * * Modifier keys DO influence {@link Keyboard.down}. * Holding down `Shift` will type the text in upper case. * * @param key - Name of key to press, such as `ArrowLeft`. * See {@link KeyInput} for a list of all key names. * * @param options - An object of options. Accepts text which, if specified, * generates an input event with this text. */ async down(key, options = { text: undefined }) { const description = this._keyDescriptionForString(key); const autoRepeat = this._pressedKeys.has(description.code); this._pressedKeys.add(description.code); this._modifiers |= this._modifierBit(description.key); const text = options.text === undefined ? description.text : options.text; await this._client.send('Input.dispatchKeyEvent', { type: text ? 'keyDown' : 'rawKeyDown', modifiers: this._modifiers, windowsVirtualKeyCode: description.keyCode, code: description.code, key: description.key, text: text, unmodifiedText: text, autoRepeat, location: description.location, isKeypad: description.location === 3, }); } _modifierBit(key) { if (key === 'Alt') return 1; if (key === 'Control') return 2; if (key === 'Meta') return 4; if (key === 'Shift') return 8; return 0; } _keyDescriptionForString(keyString) { const shift = this._modifiers & 8; const description = { key: '', keyCode: 0, code: '', text: '', location: 0, }; const definition = keyDefinitions[keyString]; assert(definition, `Unknown key: "${keyString}"`); if (definition.key) description.key = definition.key; if (shift && definition.shiftKey) description.key = definition.shiftKey; if (definition.keyCode) description.keyCode = definition.keyCode; if (shift && definition.shiftKeyCode) description.keyCode = definition.shiftKeyCode; if (definition.code) description.code = definition.code; if (definition.location) description.location = definition.location; if (description.key.length === 1) description.text = description.key; if (definition.text) description.text = definition.text; if (shift && definition.shiftText) description.text = definition.shiftText; // if any modifiers besides shift are pressed, no text should be sent if (this._modifiers & ~8) description.text = ''; return description; } /** * Dispatches a `keyup` event. * * @param key - Name of key to release, such as `ArrowLeft`. * See {@link KeyInput | KeyInput} * for a list of all key names. */ async up(key) { const description = this._keyDescriptionForString(key); this._modifiers &= ~this._modifierBit(description.key); this._pressedKeys.delete(description.code); await this._client.send('Input.dispatchKeyEvent', { type: 'keyUp', modifiers: this._modifiers, key: description.key, windowsVirtualKeyCode: description.keyCode, code: description.code, location: description.location, }); } /** * Dispatches a `keypress` and `input` event. * This does not send a `keydown` or `keyup` event. * * @remarks * Modifier keys DO NOT effect {@link Keyboard.sendCharacter | Keyboard.sendCharacter}. * Holding down `Shift` will not type the text in upper case. * * @example * ```js * page.keyboard.sendCharacter('嗨'); * ``` * * @param char - Character to send into the page. */ async sendCharacter(char) { await this._client.send('Input.insertText', { text: char }); } charIsKey(char) { return !!keyDefinitions[char]; } /** * Sends a `keydown`, `keypress`/`input`, * and `keyup` event for each character in the text. * * @remarks * To press a special key, like `Control` or `ArrowDown`, * use {@link Keyboard.press}. * * Modifier keys DO NOT effect `keyboard.type`. * Holding down `Shift` will not type the text in upper case. * * @example * ```js * await page.keyboard.type('Hello'); // Types instantly * await page.keyboard.type('World', {delay: 100}); // Types slower, like a user * ``` * * @param text - A text to type into a focused element. * @param options - An object of options. Accepts delay which, * if specified, is the time to wait between `keydown` and `keyup` in milliseconds. * Defaults to 0. */ async type(text, options = {}) { const delay = options.delay || null; for (const char of text) { if (this.charIsKey(char)) { await this.press(char, { delay }); } else { if (delay) await new Promise((f) => setTimeout(f, delay)); await this.sendCharacter(char); } } } /** * Shortcut for {@link Keyboard.down} * and {@link Keyboard.up}. * * @remarks * If `key` is a single character and no modifier keys besides `Shift` * are being held down, a `keypress`/`input` event will also generated. * The `text` option can be specified to force an input event to be generated. * * Modifier keys DO effect {@link Keyboard.press}. * Holding down `Shift` will type the text in upper case. * * @param key - Name of key to press, such as `ArrowLeft`. * See {@link KeyInput} for a list of all key names. * * @param options - An object of options. Accepts text which, if specified, * generates an input event with this text. Accepts delay which, * if specified, is the time to wait between `keydown` and `keyup` in milliseconds. * Defaults to 0. */ async press(key, options = {}) { const { delay = null } = options; await this.down(key, options); if (delay) await new Promise((f) => setTimeout(f, options.delay)); await this.up(key); } } /** * The Mouse class operates in main-frame CSS pixels * relative to the top-left corner of the viewport. * @remarks * Every `page` object has its own Mouse, accessible with [`page.mouse`](#pagemouse). * * @example * ```js * // Using ‘page.mouse’ to trace a 100x100 square. * await page.mouse.move(0, 0); * await page.mouse.down(); * await page.mouse.move(0, 100); * await page.mouse.move(100, 100); * await page.mouse.move(100, 0); * await page.mouse.move(0, 0); * await page.mouse.up(); * ``` * * **Note**: The mouse events trigger synthetic `MouseEvent`s. * This means that it does not fully replicate the functionality of what a normal user * would be able to do with their mouse. * * For example, dragging and selecting text is not possible using `page.mouse`. * Instead, you can use the {@link https://developer.mozilla.org/en-US/docs/Web/API/DocumentOrShadowRoot/getSelection | `DocumentOrShadowRoot.getSelection()`} functionality implemented in the platform. * * @example * For example, if you want to select all content between nodes: * ```js * await page.evaluate((from, to) => { * const selection = from.getRootNode().getSelection(); * const range = document.createRange(); * range.setStartBefore(from); * range.setEndAfter(to); * selection.removeAllRanges(); * selection.addRange(range); * }, fromJSHandle, toJSHandle); * ``` * If you then would want to copy-paste your selection, you can use the clipboard api: * ```js * // The clipboard api does not allow you to copy, unless the tab is focused. * await page.bringToFront(); * await page.evaluate(() => { * // Copy the selected content to the clipboard * document.execCommand('copy'); * // Obtain the content of the clipboard as a string * return navigator.clipboard.readText(); * }); * ``` * **Note**: If you want access to the clipboard API, * you have to give it permission to do so: * ```js * await browser.defaultBrowserContext().overridePermissions( * '', ['clipboard-read', 'clipboard-write'] * ); * ``` * @public */ export class Mouse { /** * @internal */ constructor(client, keyboard) { this._x = 0; this._y = 0; this._button = 'none'; this._client = client; this._keyboard = keyboard; } /** * Dispatches a `mousemove` event. * @param x - Horizontal position of the mouse. * @param y - Vertical position of the mouse. * @param options - Optional object. If specified, the `steps` property * sends intermediate `mousemove` events when set to `1` (default). */ async move(x, y, options = {}) { const { steps = 1 } = options; const fromX = this._x, fromY = this._y; this._x = x; this._y = y; for (let i = 1; i <= steps; i++) { await this._client.send('Input.dispatchMouseEvent', { type: 'mouseMoved', button: this._button, x: fromX + (this._x - fromX) * (i / steps), y: fromY + (this._y - fromY) * (i / steps), modifiers: this._keyboard._modifiers, }); } } /** * Shortcut for `mouse.move`, `mouse.down` and `mouse.up`. * @param x - Horizontal position of the mouse. * @param y - Vertical position of the mouse. * @param options - Optional `MouseOptions`. */ async click(x, y, options = {}) { const { delay = null } = options; if (delay !== null) { await this.move(x, y); await this.down(options); await new Promise((f) => setTimeout(f, delay)); await this.up(options); } else { await this.move(x, y); await this.down(options); await this.up(options); } } /** * Dispatches a `mousedown` event. * @param options - Optional `MouseOptions`. */ async down(options = {}) { const { button = 'left', clickCount = 1 } = options; this._button = button; await this._client.send('Input.dispatchMouseEvent', { type: 'mousePressed', button, x: this._x, y: this._y, modifiers: this._keyboard._modifiers, clickCount, }); } /** * Dispatches a `mouseup` event. * @param options - Optional `MouseOptions`. */ async up(options = {}) { const { button = 'left', clickCount = 1 } = options; this._button = 'none'; await this._client.send('Input.dispatchMouseEvent', { type: 'mouseReleased', button, x: this._x, y: this._y, modifiers: this._keyboard._modifiers, clickCount, }); } /** * Dispatches a `mousewheel` event. * @param options - Optional: `MouseWheelOptions`. * * @example * An example of zooming into an element: * ```js * await page.goto('https://mdn.mozillademos.org/en-US/docs/Web/API/Element/wheel_event$samples/Scaling_an_element_via_the_wheel?revision=1587366'); * * const elem = await page.$('div'); * const boundingBox = await elem.boundingBox(); * await page.mouse.move( * boundingBox.x + boundingBox.width / 2, * boundingBox.y + boundingBox.height / 2 * ); * * await page.mouse.wheel({ deltaY: -100 }) * ``` */ async wheel(options = {}) { const { deltaX = 0, deltaY = 0 } = options; await this._client.send('Input.dispatchMouseEvent', { type: 'mouseWheel', x: this._x, y: this._y, deltaX, deltaY, modifiers: this._keyboard._modifiers, pointerType: 'mouse', }); } /** * Dispatches a `drag` event. * @param start - starting point for drag * @param target - point to drag to */ async drag(start, target) { const promise = new Promise((resolve) => { this._client.once('Input.dragIntercepted', (event) => resolve(event.data)); }); await this.move(start.x, start.y); await this.down(); await this.move(target.x, target.y); return promise; } /** * Dispatches a `dragenter` event. * @param target - point for emitting `dragenter` event */ async dragEnter(target, data) { await this._client.send('Input.dispatchDragEvent', { type: 'dragEnter', x: target.x, y: target.y, modifiers: this._keyboard._modifiers, data, }); } /** * Dispatches a `dragover` event. * @param target - point for emitting `dragover` event */ async dragOver(target, data) { await this._client.send('Input.dispatchDragEvent', { type: 'dragOver', x: target.x, y: target.y, modifiers: this._keyboard._modifiers, data, }); } /** * Performs a dragenter, dragover, and drop in sequence. * @param target - point to drop on * @param data - drag data containing items and operations mask * @param options - An object of options. Accepts delay which, * if specified, is the time to wait between `dragover` and `drop` in milliseconds. * Defaults to 0. */ async drop(target, data) { await this._client.send('Input.dispatchDragEvent', { type: 'drop', x: target.x, y: target.y, modifiers: this._keyboard._modifiers, data, }); } /** * Performs a drag, dragenter, dragover, and drop in sequence. * @param target - point to drag from * @param target - point to drop on * @param options - An object of options. Accepts delay which, * if specified, is the time to wait between `dragover` and `drop` in milliseconds. * Defaults to 0. */ async dragAndDrop(start, target, options = {}) { const { delay = null } = options; const data = await this.drag(start, target); await this.dragEnter(target, data); await this.dragOver(target, data); if (delay) { await new Promise((resolve) => setTimeout(resolve, delay)); } await this.drop(target, data); await this.up(); } } /** * The Touchscreen class exposes touchscreen events. * @public */ export class Touchscreen { /** * @internal */ constructor(client, keyboard) { this._client = client; this._keyboard = keyboard; } /** * Dispatches a `touchstart` and `touchend` event. * @param x - Horizontal position of the tap. * @param y - Vertical position of the tap. */ async tap(x, y) { const touchPoints = [{ x: Math.round(x), y: Math.round(y) }]; await this._client.send('Input.dispatchTouchEvent', { type: 'touchStart', touchPoints, modifiers: this._keyboard._modifiers, }); await this._client.send('Input.dispatchTouchEvent', { type: 'touchEnd', touchPoints: [], modifiers: this._keyboard._modifiers, }); } } //# sourceMappingURL=Input.js.map