mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
133 lines
3.5 KiB
JavaScript
133 lines
3.5 KiB
JavaScript
#ifdef 0
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#endif
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/**
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* This singleton represents the grid that contains all sites.
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*/
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let gGrid = {
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/**
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* The DOM node of the grid.
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*/
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_node: null,
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get node() this._node,
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/**
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* The cached DOM fragment for sites.
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*/
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_siteFragment: null,
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/**
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* All cells contained in the grid.
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*/
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get cells() {
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let children = this.node.querySelectorAll("li");
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let cells = [new Cell(this, child) for each (child in children)];
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// Replace the getter with our cached value.
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Object.defineProperty(this, "cells", {value: cells, enumerable: true});
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return cells;
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},
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/**
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* All sites contained in the grid's cells. Sites may be empty.
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*/
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get sites() [cell.site for each (cell in this.cells)],
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/**
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* Initializes the grid.
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* @param aSelector The query selector of the grid.
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*/
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init: function Grid_init(aSelector) {
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this._node = document.querySelector(aSelector);
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this._createSiteFragment();
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this._draw();
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},
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/**
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* Creates a new site in the grid.
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* @param aLink The new site's link.
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* @param aCell The cell that will contain the new site.
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* @return The newly created site.
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*/
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createSite: function Grid_createSite(aLink, aCell) {
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let node = aCell.node;
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node.appendChild(this._siteFragment.cloneNode(true));
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return new Site(node.firstElementChild, aLink);
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},
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/**
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* Refreshes the grid and re-creates all sites.
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*/
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refresh: function Grid_refresh() {
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// Remove all sites.
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this.cells.forEach(function (cell) {
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let node = cell.node;
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let child = node.firstElementChild;
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if (child)
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node.removeChild(child);
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}, this);
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// Draw the grid again.
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this._draw();
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},
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/**
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* Locks the grid to block all pointer events.
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*/
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lock: function Grid_lock() {
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this.node.setAttribute("locked", "true");
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},
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/**
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* Unlocks the grid to allow all pointer events.
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*/
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unlock: function Grid_unlock() {
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this.node.removeAttribute("locked");
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},
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/**
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* Creates the DOM fragment that is re-used when creating sites.
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*/
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_createSiteFragment: function Grid_createSiteFragment() {
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let site = document.createElementNS(HTML_NAMESPACE, "a");
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site.classList.add("site");
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site.setAttribute("draggable", "true");
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// Create the site's inner HTML code.
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site.innerHTML =
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'<img class="site-img" width="' + THUMB_WIDTH +'" ' +
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' height="' + THUMB_HEIGHT + '" alt=""/>' +
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'<span class="site-title"/>' +
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'<span class="site-strip">' +
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' <input class="button strip-button strip-button-pin" type="button"' +
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' tabindex="-1" title="' + newTabString("pin") + '"/>' +
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' <input class="button strip-button strip-button-block" type="button"' +
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' tabindex="-1" title="' + newTabString("block") + '"/>' +
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'</span>';
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this._siteFragment = document.createDocumentFragment();
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this._siteFragment.appendChild(site);
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},
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/**
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* Draws the grid, creates all sites and puts them into their cells.
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*/
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_draw: function Grid_draw() {
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let cells = this.cells;
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// Put sites into the cells.
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let links = gLinks.getLinks();
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let length = Math.min(links.length, cells.length);
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for (let i = 0; i < length; i++) {
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if (links[i])
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this.createSite(links[i], cells[i]);
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}
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}
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};
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