diff options
Diffstat (limited to 'ext/mixed/js/dom.js')
-rw-r--r-- | ext/mixed/js/dom.js | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/ext/mixed/js/dom.js b/ext/mixed/js/dom.js deleted file mode 100644 index 59fea9f6..00000000 --- a/ext/mixed/js/dom.js +++ /dev/null @@ -1,145 +0,0 @@ -/* - * Copyright (C) 2019-2020 Yomichan Authors - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <https://www.gnu.org/licenses/>. - */ - - -class DOM { - static isPointInRect(x, y, rect) { - return ( - x >= rect.left && x < rect.right && - y >= rect.top && y < rect.bottom - ); - } - - static isPointInAnyRect(x, y, rects) { - for (const rect of rects) { - if (DOM.isPointInRect(x, y, rect)) { - return true; - } - } - return false; - } - - static isPointInSelection(x, y, selection) { - for (let i = 0; i < selection.rangeCount; ++i) { - const range = selection.getRangeAt(i); - if (DOM.isPointInAnyRect(x, y, range.getClientRects())) { - return true; - } - } - return false; - } - - static isMouseButtonPressed(mouseEvent, button) { - const mouseEventButton = mouseEvent.button; - switch (button) { - case 'primary': return mouseEventButton === 0; - case 'secondary': return mouseEventButton === 2; - case 'auxiliary': return mouseEventButton === 1; - default: return false; - } - } - - static isMouseButtonDown(mouseEvent, button) { - const mouseEventButtons = mouseEvent.buttons; - switch (button) { - case 'primary': return (mouseEventButtons & 0x1) !== 0x0; - case 'secondary': return (mouseEventButtons & 0x2) !== 0x0; - case 'auxiliary': return (mouseEventButtons & 0x4) !== 0x0; - default: return false; - } - } - - static getActiveModifiers(event) { - const modifiers = new Set(); - if (event.altKey) { modifiers.add('alt'); } - if (event.ctrlKey) { modifiers.add('ctrl'); } - if (event.metaKey) { modifiers.add('meta'); } - if (event.shiftKey) { modifiers.add('shift'); } - return modifiers; - } - - static getKeyFromEvent(event) { - const key = event.key; - return (typeof key === 'string' ? (key.length === 1 ? key.toUpperCase() : key) : ''); - } - - static addFullscreenChangeEventListener(onFullscreenChanged, eventListenerCollection=null) { - const target = document; - const options = false; - const fullscreenEventNames = [ - 'fullscreenchange', - 'MSFullscreenChange', - 'mozfullscreenchange', - 'webkitfullscreenchange' - ]; - for (const eventName of fullscreenEventNames) { - if (eventListenerCollection === null) { - target.addEventListener(eventName, onFullscreenChanged, options); - } else { - eventListenerCollection.addEventListener(target, eventName, onFullscreenChanged, options); - } - } - } - - static getFullscreenElement() { - return ( - document.fullscreenElement || - document.msFullscreenElement || - document.mozFullScreenElement || - document.webkitFullscreenElement || - null - ); - } - - static getNodesInRange(range) { - const end = range.endContainer; - const nodes = []; - for (let node = range.startContainer; node !== null; node = DOM.getNextNode(node)) { - nodes.push(node); - if (node === end) { break; } - } - return nodes; - } - - static getNextNode(node) { - let next = node.firstChild; - if (next === null) { - while (true) { - next = node.nextSibling; - if (next !== null) { break; } - - next = node.parentNode; - if (next === null) { break; } - - node = next; - } - } - return next; - } - - static anyNodeMatchesSelector(nodes, selector) { - const ELEMENT_NODE = Node.ELEMENT_NODE; - for (let node of nodes) { - for (; node !== null; node = node.parentNode) { - if (node.nodeType !== ELEMENT_NODE) { continue; } - if (node.matches(selector)) { return true; } - break; - } - } - return false; - } -} |