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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /remote/cdp/domains/parent/Emulation.sys.mjs | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | remote/cdp/domains/parent/Emulation.sys.mjs | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/remote/cdp/domains/parent/Emulation.sys.mjs b/remote/cdp/domains/parent/Emulation.sys.mjs new file mode 100644 index 0000000000..21aaf2f965 --- /dev/null +++ b/remote/cdp/domains/parent/Emulation.sys.mjs @@ -0,0 +1,175 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { Domain } from "chrome://remote/content/cdp/domains/Domain.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + NetUtil: "resource://gre/modules/NetUtil.sys.mjs", +}); + +const MAX_WINDOW_SIZE = 10000000; + +export class Emulation extends Domain { + destructor() { + this.setUserAgentOverride({ userAgent: "", platform: "" }); + + super.destructor(); + } + + /** + * Overrides the values of device screen dimensions. + * + * Values as modified are: + * - window.screen.width + * - window.screen.height + * - window.innerWidth + * - window.innerHeight + * - "device-width"/"device-height"-related CSS media query results + * + * @param {object} options + * @param {number} options.width + * Overriding width value in pixels. 0 disables the override. + * @param {number} options.height + * Overriding height value in pixels. 0 disables the override. + * @param {number} options.deviceScaleFactor + * Overriding device scale factor value. 0 disables the override. + * @param {number} options.mobile [not supported] + * Whether to emulate a mobile device. This includes viewport meta tag, + * overlay scrollbars, text autosizing and more. + * @param {number} options.screenOrientation + * Screen orientation override [not supported] + */ + async setDeviceMetricsOverride(options = {}) { + const { width, height, deviceScaleFactor } = options; + + if ( + width < 0 || + width > MAX_WINDOW_SIZE || + height < 0 || + height > MAX_WINDOW_SIZE + ) { + throw new TypeError( + `Width and height values must be positive, not greater than ${MAX_WINDOW_SIZE}` + ); + } + + if (typeof deviceScaleFactor != "number") { + throw new TypeError("deviceScaleFactor: number expected"); + } + + if (deviceScaleFactor < 0) { + throw new TypeError("deviceScaleFactor: must be positive"); + } + + const { tab } = this.session.target; + const { linkedBrowser: browser } = tab; + + const { browsingContext } = this.session.target; + browsingContext.overrideDPPX = deviceScaleFactor; + + // With a value of 0 the current size is used + const { layoutViewport } = await this.session.execute( + this.session.id, + "Page", + "getLayoutMetrics" + ); + + const targetWidth = width > 0 ? width : layoutViewport.clientWidth; + const targetHeight = height > 0 ? height : layoutViewport.clientHeight; + + browser.style.setProperty("min-width", targetWidth + "px"); + browser.style.setProperty("max-width", targetWidth + "px"); + browser.style.setProperty("min-height", targetHeight + "px"); + browser.style.setProperty("max-height", targetHeight + "px"); + + // Wait until the viewport has been resized + await this.executeInChild("_awaitViewportDimensions", { + width: targetWidth, + height: targetHeight, + }); + } + + /** + * Enables touch on platforms which do not support them. + * + * @param {object} options + * @param {boolean} options.enabled + * Whether the touch event emulation should be enabled. + * @param {number=} options.maxTouchPoints [not yet supported] + * Maximum touch points supported. Defaults to one. + */ + async setTouchEmulationEnabled(options = {}) { + const { enabled } = options; + + if (typeof enabled != "boolean") { + throw new TypeError( + "Invalid parameters (enabled: boolean value expected)" + ); + } + + const { browsingContext } = this.session.target; + if (enabled) { + browsingContext.touchEventsOverride = "enabled"; + } else { + browsingContext.touchEventsOverride = "none"; + } + } + + /** + * Allows overriding user agent with the given string. + * + * @param {object} options + * @param {string} options.userAgent + * User agent to use. + * @param {string=} options.acceptLanguage [not yet supported] + * Browser langugage to emulate. + * @param {string=} options.platform + * The platform navigator.platform should return. + */ + async setUserAgentOverride(options = {}) { + const { userAgent, platform } = options; + + if (typeof userAgent != "string") { + throw new TypeError( + "Invalid parameters (userAgent: string value expected)" + ); + } + + if (!["undefined", "string"].includes(typeof platform)) { + throw new TypeError("platform: string value expected"); + } + + const { browsingContext } = this.session.target; + + if (!userAgent.length) { + browsingContext.customUserAgent = null; + } else if (this._isValidHTTPRequestHeaderValue(userAgent)) { + browsingContext.customUserAgent = userAgent; + } else { + throw new TypeError("Invalid characters found in userAgent"); + } + + if (platform?.length > 0) { + browsingContext.customPlatform = platform; + } else { + browsingContext.customPlatform = null; + } + } + + _isValidHTTPRequestHeaderValue(value) { + try { + const channel = lazy.NetUtil.newChannel({ + uri: "http://localhost", + loadUsingSystemPrincipal: true, + }); + channel.QueryInterface(Ci.nsIHttpChannel); + channel.setRequestHeader("X-check", value, false); + return true; + } catch (e) { + return false; + } + } +} |