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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 /browser/extensions/screenshots/selector/util.js | |
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 'browser/extensions/screenshots/selector/util.js')
-rw-r--r-- | browser/extensions/screenshots/selector/util.js | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/browser/extensions/screenshots/selector/util.js b/browser/extensions/screenshots/selector/util.js new file mode 100644 index 0000000000..31366d3047 --- /dev/null +++ b/browser/extensions/screenshots/selector/util.js @@ -0,0 +1,124 @@ +/* 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/. */ + +"use strict"; + +this.util = (function () { + // eslint-disable-line no-unused-vars + const exports = {}; + + /** Removes a node from its document, if it's a node and the node is attached to a parent */ + exports.removeNode = function (el) { + if (el && el.parentNode) { + el.remove(); + } + }; + + /** Truncates the X coordinate to the document size */ + exports.truncateX = function (x) { + const max = Math.max( + document.documentElement.clientWidth, + document.body.clientWidth, + document.documentElement.scrollWidth, + document.body.scrollWidth + ); + if (x < 0) { + return 0; + } else if (x > max) { + return max; + } + return x; + }; + + /** Truncates the Y coordinate to the document size */ + exports.truncateY = function (y) { + const max = Math.max( + document.documentElement.clientHeight, + document.body.clientHeight, + document.documentElement.scrollHeight, + document.body.scrollHeight + ); + if (y < 0) { + return 0; + } else if (y > max) { + return max; + } + return y; + }; + + // Pixels of wiggle the captured region gets in captureSelectedText: + const CAPTURE_WIGGLE = 10; + const ELEMENT_NODE = document.ELEMENT_NODE; + + exports.captureEnclosedText = function (box) { + const scrollX = window.scrollX; + const scrollY = window.scrollY; + const text = []; + function traverse(el) { + let elBox = el.getBoundingClientRect(); + elBox = { + top: elBox.top + scrollY, + bottom: elBox.bottom + scrollY, + left: elBox.left + scrollX, + right: elBox.right + scrollX, + }; + if ( + elBox.bottom < box.top || + elBox.top > box.bottom || + elBox.right < box.left || + elBox.left > box.right + ) { + // Totally outside of the box + return; + } + if ( + elBox.bottom > box.bottom + CAPTURE_WIGGLE || + elBox.top < box.top - CAPTURE_WIGGLE || + elBox.right > box.right + CAPTURE_WIGGLE || + elBox.left < box.left - CAPTURE_WIGGLE + ) { + // Partially outside the box + for (let i = 0; i < el.childNodes.length; i++) { + const child = el.childNodes[i]; + if (child.nodeType === ELEMENT_NODE) { + traverse(child); + } + } + return; + } + addText(el); + } + function addText(el) { + let t; + if (el.tagName === "IMG") { + t = el.getAttribute("alt") || el.getAttribute("title"); + } else if (el.tagName === "A") { + t = el.innerText; + if ( + el.getAttribute("href") && + !el.getAttribute("href").startsWith("#") + ) { + t += " (" + el.href + ")"; + } + } else { + t = el.innerText; + } + if (t) { + text.push(t); + } + } + traverse(document.body); + if (text.length) { + let result = text.join("\n"); + result = result.replace(/^\s+/, ""); + result = result.replace(/\s+$/, ""); + result = result.replace(/[ \t]+\n/g, "\n"); + return result; + } + return null; + }; + + return exports; +})(); +null; |