"use strict";
/**
* @license
* Copyright 2017 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.CdpTouchscreen = exports.CdpMouse = exports.CdpKeyboard = void 0;
const Input_js_1 = require("../api/Input.js");
const USKeyboardLayout_js_1 = require("../common/USKeyboardLayout.js");
const assert_js_1 = require("../util/assert.js");
/**
* @internal
*/
class CdpKeyboard extends Input_js_1.Keyboard {
#client;
#pressedKeys = new Set();
_modifiers = 0;
constructor(client) {
super();
this.#client = client;
}
updateClient(client) {
this.#client = client;
}
async down(key, options = {
text: undefined,
commands: [],
}) {
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,
commands: options.commands,
});
}
#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 = USKeyboardLayout_js_1._keyDefinitions[keyString];
(0, assert_js_1.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;
}
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,
});
}
async sendCharacter(char) {
await this.#client.send('Input.insertText', { text: char });
}
charIsKey(char) {
return !!USKeyboardLayout_js_1._keyDefinitions[char];
}
async type(text, options = {}) {
const delay = options.delay || undefined;
for (const char of text) {
if (this.charIsKey(char)) {
await this.press(char, { delay });
}
else {
if (delay) {
await new Promise(f => {
return setTimeout(f, delay);
});
}
await this.sendCharacter(char);
}
}
}
async press(key, options = {}) {
const { delay = null } = options;
await this.down(key, options);
if (delay) {
await new Promise(f => {
return setTimeout(f, options.delay);
});
}
await this.up(key);
}
}
exports.CdpKeyboard = CdpKeyboard;
const getFlag = (button) => {
switch (button) {
case Input_js_1.MouseButton.Left:
return 1 /* MouseButtonFlag.Left */;
case Input_js_1.MouseButton.Right:
return 2 /* MouseButtonFlag.Right */;
case Input_js_1.MouseButton.Middle:
return 4 /* MouseButtonFlag.Middle */;
case Input_js_1.MouseButton.Back:
return 8 /* MouseButtonFlag.Back */;
case Input_js_1.MouseButton.Forward:
return 16 /* MouseButtonFlag.Forward */;
}
};
/**
* This should match
* https://source.chromium.org/chromium/chromium/src/+/refs/heads/main:content/browser/renderer_host/input/web_input_event_builders_mac.mm;drc=a61b95c63b0b75c1cfe872d9c8cdf927c226046e;bpv=1;bpt=1;l=221.
*/
const getButtonFromPressedButtons = (buttons) => {
if (buttons & 1 /* MouseButtonFlag.Left */) {
return Input_js_1.MouseButton.Left;
}
else if (buttons & 2 /* MouseButtonFlag.Right */) {
return Input_js_1.MouseButton.Right;
}
else if (buttons & 4 /* MouseButtonFlag.Middle */) {
return Input_js_1.MouseButton.Middle;
}
else if (buttons & 8 /* MouseButtonFlag.Back */) {
return Input_js_1.MouseButton.Back;
}
else if (buttons & 16 /* MouseButtonFlag.Forward */) {
return Input_js_1.MouseButton.Forward;
}
return 'none';
};
/**
* @internal
*/
class CdpMouse extends Input_js_1.Mouse {
#client;
#keyboard;
constructor(client, keyboard) {
super();
this.#client = client;
this.#keyboard = keyboard;
}
updateClient(client) {
this.#client = client;
}
#_state = {
position: { x: 0, y: 0 },
buttons: 0 /* MouseButtonFlag.None */,
};
get #state() {
return Object.assign({ ...this.#_state }, ...this.#transactions);
}
// Transactions can run in parallel, so we store each of thme in this array.
#transactions = [];
#createTransaction() {
const transaction = {};
this.#transactions.push(transaction);
const popTransaction = () => {
this.#transactions.splice(this.#transactions.indexOf(transaction), 1);
};
return {
update: (updates) => {
Object.assign(transaction, updates);
},
commit: () => {
this.#_state = { ...this.#_state, ...transaction };
popTransaction();
},
rollback: popTransaction,
};
}
/**
* This is a shortcut for a typical update, commit/rollback lifecycle based on
* the error of the action.
*/
async #withTransaction(action) {
const { update, commit, rollback } = this.#createTransaction();
try {
await action(update);
commit();
}
catch (error) {
rollback();
throw error;
}
}
async reset() {
const actions = [];
for (const [flag, button] of [
[1 /* MouseButtonFlag.Left */, Input_js_1.MouseButton.Left],
[4 /* MouseButtonFlag.Middle */, Input_js_1.MouseButton.Middle],
[2 /* MouseButtonFlag.Right */, Input_js_1.MouseButton.Right],
[16 /* MouseButtonFlag.Forward */, Input_js_1.MouseButton.Forward],
[8 /* MouseButtonFlag.Back */, Input_js_1.MouseButton.Back],
]) {
if (this.#state.buttons & flag) {
actions.push(this.up({ button: button }));
}
}
if (this.#state.position.x !== 0 || this.#state.position.y !== 0) {
actions.push(this.move(0, 0));
}
await Promise.all(actions);
}
async move(x, y, options = {}) {
const { steps = 1 } = options;
const from = this.#state.position;
const to = { x, y };
for (let i = 1; i <= steps; i++) {
await this.#withTransaction(updateState => {
updateState({
position: {
x: from.x + (to.x - from.x) * (i / steps),
y: from.y + (to.y - from.y) * (i / steps),
},
});
const { buttons, position } = this.#state;
return this.#client.send('Input.dispatchMouseEvent', {
type: 'mouseMoved',
modifiers: this.#keyboard._modifiers,
buttons,
button: getButtonFromPressedButtons(buttons),
...position,
});
});
}
}
async down(options = {}) {
const { button = Input_js_1.MouseButton.Left, clickCount = 1 } = options;
const flag = getFlag(button);
if (!flag) {
throw new Error(`Unsupported mouse button: ${button}`);
}
if (this.#state.buttons & flag) {
throw new Error(`'${button}' is already pressed.`);
}
await this.#withTransaction(updateState => {
updateState({
buttons: this.#state.buttons | flag,
});
const { buttons, position } = this.#state;
return this.#client.send('Input.dispatchMouseEvent', {
type: 'mousePressed',
modifiers: this.#keyboard._modifiers,
clickCount,
buttons,
button,
...position,
});
});
}
async up(options = {}) {
const { button = Input_js_1.MouseButton.Left, clickCount = 1 } = options;
const flag = getFlag(button);
if (!flag) {
throw new Error(`Unsupported mouse button: ${button}`);
}
if (!(this.#state.buttons & flag)) {
throw new Error(`'${button}' is not pressed.`);
}
await this.#withTransaction(updateState => {
updateState({
buttons: this.#state.buttons & ~flag,
});
const { buttons, position } = this.#state;
return this.#client.send('Input.dispatchMouseEvent', {
type: 'mouseReleased',
modifiers: this.#keyboard._modifiers,
clickCount,
buttons,
button,
...position,
});
});
}
async click(x, y, options = {}) {
const { delay, count = 1, clickCount = count } = options;
if (count < 1) {
throw new Error('Click must occur a positive number of times.');
}
const actions = [this.move(x, y)];
if (clickCount === count) {
for (let i = 1; i < count; ++i) {
actions.push(this.down({ ...options, clickCount: i }), this.up({ ...options, clickCount: i }));
}
}
actions.push(this.down({ ...options, clickCount }));
if (typeof delay === 'number') {
await Promise.all(actions);
actions.length = 0;
await new Promise(resolve => {
setTimeout(resolve, delay);
});
}
actions.push(this.up({ ...options, clickCount }));
await Promise.all(actions);
}
async wheel(options = {}) {
const { deltaX = 0, deltaY = 0 } = options;
const { position, buttons } = this.#state;
await this.#client.send('Input.dispatchMouseEvent', {
type: 'mouseWheel',
pointerType: 'mouse',
modifiers: this.#keyboard._modifiers,
deltaY,
deltaX,
buttons,
...position,
});
}
async drag(start, target) {
const promise = new Promise(resolve => {
this.#client.once('Input.dragIntercepted', event => {
return resolve(event.data);
});
});
await this.move(start.x, start.y);
await this.down();
await this.move(target.x, target.y);
return await promise;
}
async dragEnter(target, data) {
await this.#client.send('Input.dispatchDragEvent', {
type: 'dragEnter',
x: target.x,
y: target.y,
modifiers: this.#keyboard._modifiers,
data,
});
}
async dragOver(target, data) {
await this.#client.send('Input.dispatchDragEvent', {
type: 'dragOver',
x: target.x,
y: target.y,
modifiers: this.#keyboard._modifiers,
data,
});
}
async drop(target, data) {
await this.#client.send('Input.dispatchDragEvent', {
type: 'drop',
x: target.x,
y: target.y,
modifiers: this.#keyboard._modifiers,
data,
});
}
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 => {
return setTimeout(resolve, delay);
});
}
await this.drop(target, data);
await this.up();
}
}
exports.CdpMouse = CdpMouse;
/**
* @internal
*/
class CdpTouchscreen extends Input_js_1.Touchscreen {
#client;
#keyboard;
constructor(client, keyboard) {
super();
this.#client = client;
this.#keyboard = keyboard;
}
updateClient(client) {
this.#client = client;
}
async touchStart(x, y) {
await this.#client.send('Input.dispatchTouchEvent', {
type: 'touchStart',
touchPoints: [
{
x: Math.round(x),
y: Math.round(y),
radiusX: 0.5,
radiusY: 0.5,
force: 0.5,
},
],
modifiers: this.#keyboard._modifiers,
});
}
async touchMove(x, y) {
await this.#client.send('Input.dispatchTouchEvent', {
type: 'touchMove',
touchPoints: [
{
x: Math.round(x),
y: Math.round(y),
radiusX: 0.5,
radiusY: 0.5,
force: 0.5,
},
],
modifiers: this.#keyboard._modifiers,
});
}
async touchEnd() {
await this.#client.send('Input.dispatchTouchEvent', {
type: 'touchEnd',
touchPoints: [],
modifiers: this.#keyboard._modifiers,
});
}
}
exports.CdpTouchscreen = CdpTouchscreen;
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