From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../screenshots/ScreenshotsHelperChild.sys.mjs | 47 ++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 browser/components/screenshots/ScreenshotsHelperChild.sys.mjs (limited to 'browser/components/screenshots/ScreenshotsHelperChild.sys.mjs') diff --git a/browser/components/screenshots/ScreenshotsHelperChild.sys.mjs b/browser/components/screenshots/ScreenshotsHelperChild.sys.mjs new file mode 100644 index 0000000000..550c3fb13c --- /dev/null +++ b/browser/components/screenshots/ScreenshotsHelperChild.sys.mjs @@ -0,0 +1,47 @@ +/* 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 { + getBestRectForElement, + getElementFromPoint, +} from "chrome://browser/content/screenshots/overlayHelpers.mjs"; + +/** + * This class is used to get the dimensions of hovered elements within iframes. + * The main content process cannot get the dimensions of elements within + * iframes so a message will be send to this actor to get the dimensions of the + * element for a given point inside the iframe. + */ +export class ScreenshotsHelperChild extends JSWindowActorChild { + receiveMessage(message) { + if (message.name === "ScreenshotsHelper:GetElementRectFromPoint") { + return this.getBestElementRectFromPoint(message.data); + } + return null; + } + + async getBestElementRectFromPoint(data) { + let { x, y } = data; + + x -= this.contentWindow.mozInnerScreenX; + y -= this.contentWindow.mozInnerScreenY; + + let { ele, rect } = await getElementFromPoint(x, y, this.document); + + if (!rect) { + rect = getBestRectForElement(ele, this.document); + } + + if (rect) { + rect = { + left: rect.left + this.contentWindow.mozInnerScreenX, + right: rect.right + this.contentWindow.mozInnerScreenX, + top: rect.top + this.contentWindow.mozInnerScreenY, + bottom: rect.bottom + this.contentWindow.mozInnerScreenY, + }; + } + + return rect; + } +} -- cgit v1.2.3