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398 lines
15 KiB
JavaScript
398 lines
15 KiB
JavaScript
// Copyright (c) 2008-2010 by Kris Maglione <maglione.k at Gmail>
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//
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// This work is licensed for reuse under an MIT license. Details are
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// given in the LICENSE.txt file included with this file.
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"use strict";
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Components.utils.import("resource://dactyl/base.jsm");
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defmodule("styles", {
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exports: ["Style", "Styles", "styles"],
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require: ["services", "util"],
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use: ["template"]
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});
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const sss = services.get("stylesheet");
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function cssUri(css) "chrome-data:text/css," + encodeURI(css);
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const namespace = "@namespace html " + XHTML.uri.quote() + ";\n" +
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"@namespace xul " + XUL.uri.quote() + ";\n" +
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"@namespace dactyl " + NS.uri.quote() + ";\n";
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const Sheet = Struct("name", "id", "sites", "css", "system", "agent");
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Sheet.liveProperty = function (name) {
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let i = this.prototype.members.indexOf(name);
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this.prototype.__defineGetter__(name, function () this[i]);
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this.prototype.__defineSetter__(name, function (val) {
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this[i] = val;
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this.enabled = this.enabled;
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});
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}
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Sheet.liveProperty("agent");
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Sheet.liveProperty("css");
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Sheet.liveProperty("sites");
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Sheet.prototype.__defineGetter__("uri", function () cssUri(this.fullCSS));
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Sheet.prototype.__defineGetter__("enabled", function () this._enabled);
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Sheet.prototype.__defineSetter__("enabled", function (on) {
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if (on != this._enabled || this.uri != this._uri) {
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if (on)
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this.enabled = false;
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else if (!this._uri)
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return;
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let meth = on ? "registerSheet" : "unregisterSheet";
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styles[meth](on ? this.uri : this._uri,
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on ? this.agent : this._agent);
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this._agent = this.agent;
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this._enabled = Boolean(on);
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this._uri = this.uri;
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}
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});
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Sheet.prototype.__defineGetter__("fullCSS", function wrapCSS() {
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let filter = this.sites;
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let css = this.css;
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if (filter[0] == "*")
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return namespace + css;
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let selectors = filter.map(function (part)
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(/[*]$/.test(part) ? "url-prefix" :
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/[\/:]/.test(part) ? "url"
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: "domain")
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+ '("' + part.replace(/"/g, "%22").replace(/\*$/, "") + '")')
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.join(", ");
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return "/* Dactyl style #" + this.id + (this.agent ? " (agent)" : "") + " */ "
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+ namespace + " @-moz-document " + selectors + "{\n" + css + "\n}\n";
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});
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/**
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* Manages named and unnamed user style sheets, which apply to both
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* chrome and content pages. The parameters are the standard
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* parameters for any {@link Storage} object.
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*
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* @author Kris Maglione <maglione.k@gmail.com>
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*/
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const Styles = Module("Styles", {
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init: function () {
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this._id = 0;
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this.userSheets = [];
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this.systemSheets = [];
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this.userNames = {};
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this.systemNames = {};
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},
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get sites() array(this.userSheets).map(function (s) s.sites).flatten().uniq().array,
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__iterator__: function () Iterator(this.userSheets.concat(this.systemSheets)),
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/**
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* Add a new style sheet.
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*
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* @param {boolean} system Declares whether this is a system or
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* user sheet. System sheets are used internally by
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* @dactyl.
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* @param {string} name The name given to the style sheet by
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* which it may be later referenced.
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* @param {string} filter The sites to which this sheet will
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* apply. Can be a domain name or a URL. Any URL ending in
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* "*" is matched as a prefix.
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* @param {string} css The CSS to be applied.
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*/
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addSheet: function addSheet(system, name, filter, css, agent, lazy) {
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let sheets = system ? this.systemSheets : this.userSheets;
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let names = system ? this.systemNames : this.userNames;
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if (!isarray(filter))
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filter = filter.split(",");
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if (name && name in names) {
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var sheet = names[name];
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sheet.filter = filter;
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sheet.css = String(css);
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}
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else {
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sheet = Sheet(name, this._id++, filter.filter(util.identity), String(css), system, agent);
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sheets.push(sheet);
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}
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if (!lazy)
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sheet.enabled = true;
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if (name)
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names[name] = sheet;
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return sheet;
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},
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/**
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* Get a sheet with a given name or index.
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*
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* @param {boolean} system
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* @param {string or number} sheet The sheet to retrieve. Strings indicate
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* sheet names, while numbers indicate indices.
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*/
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get: function getget(system, sheet) {
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let sheets = system ? this.systemSheets : this.userSheets;
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let names = system ? this.systemNames : this.userNames;
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if (typeof sheet === "number")
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return sheets[sheet];
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return names[sheet];
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},
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/**
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* Find sheets matching the parameters. See {@link #addSheet}
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* for parameters.
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*
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* @param {boolean} system
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* @param {string} name
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* @param {string} filter
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* @param {string} css
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* @param {number} index
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*/
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findSheets: function findSheets(system, name, filter, css, index) {
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let sheets = system ? this.systemSheets : this.userSheets;
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// Grossly inefficient.
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let matches = [k for ([k, v] in Iterator(sheets))];
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if (index)
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matches = String(index).split(",").filter(function (i) i in sheets);
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if (name)
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matches = matches.filter(function (i) sheets[i].name == name);
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if (css)
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matches = matches.filter(function (i) sheets[i].css == css);
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if (filter)
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matches = matches.filter(function (i) sheets[i].sites.indexOf(filter) >= 0);
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return matches.map(function (i) sheets[i]);
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},
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/**
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* Remove a style sheet. See {@link #addSheet} for parameters.
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* In cases where <b>filter</b> is supplied, the given filters
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* are removed from matching sheets. If any remain, the sheet is
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* left in place.
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*
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* @param {boolean} system
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* @param {string} name
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* @param {string} filter
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* @param {string} css
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* @param {number} index
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*/
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removeSheet: function removeSheet(system, name, filter, css, index) {
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let self = this;
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if (arguments.length == 1) {
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var matches = [system];
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system = matches[0].system;
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}
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let sheets = system ? this.systemSheets : this.userSheets;
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let names = system ? this.systemNames : this.userNames;
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if (filter && filter.indexOf(",") > -1)
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return filter.split(",").reduce(
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function (n, f) n + self.removeSheet(system, name, f, index), 0);
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if (filter == undefined)
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filter = "";
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if (!matches)
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matches = this.findSheets(system, name, filter, css, index);
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if (matches.length == 0)
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return null;
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for (let [, sheet] in Iterator(matches.reverse())) {
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if (filter) {
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let sites = sheet.sites.filter(function (f) f != filter);
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if (sites.length) {
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sheet.sites = sites;
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continue;
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}
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}
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sheet.enabled = false;
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if (sheet.name)
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delete names[sheet.name];
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if (sheets.indexOf(sheet) > -1)
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sheets.splice(sheets.indexOf(sheet), 1);
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}
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return matches.length;
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},
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/**
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* Register a user style sheet at the given URI.
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*
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* @param {string} url The URI of the sheet to register.
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* @param {boolean} agent If true, sheet is registered as an agent sheet.
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* @param {boolean} reload Whether to reload any sheets that are
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* already registered.
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*/
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registerSheet: function registerSheet(url, agent, reload) {
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let uri = services.get("io").newURI(url, null, null);
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if (reload)
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this.unregisterSheet(url, agent);
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if (reload || !sss.sheetRegistered(uri, agent ? sss.AGENT_SHEET : sss.USER_SHEET))
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sss.loadAndRegisterSheet(uri, agent ? sss.AGENT_SHEET : sss.USER_SHEET);
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},
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/**
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* Unregister a sheet at the given URI.
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*
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* @param {string} url The URI of the sheet to unregister.
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* @param {boolean} agent If true, sheet is registered as an agent sheet.
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*/
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unregisterSheet: function unregisterSheet(url, agent) {
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let uri = services.get("io").newURI(url, null, null);
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if (sss.sheetRegistered(uri, agent ? sss.AGENT_SHEET : sss.USER_SHEET))
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sss.unregisterSheet(uri, agent ? sss.AGENT_SHEET : sss.USER_SHEET);
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},
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}, {
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completeSite: function (context, content) {
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context.anchored = false;
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try {
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context.fork("current", 0, this, function (context) {
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context.title = ["Current Site"];
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context.completions = [
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[content.location.host, "Current Host"],
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[content.location.href, "Current URL"]
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];
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});
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}
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catch (e) {}
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context.fork("others", 0, this, function (context) {
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context.title = ["Site"];
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context.completions = [[s, ""] for ([, s] in Iterator(styles.sites))];
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});
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}
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}, {
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commands: function (dactyl, modules, window) {
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const commands = modules.commands;
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commands.add(["sty[le]"],
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"Add or list user styles",
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function (args) {
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let [filter, css] = args;
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let name = args["-name"];
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if (!css) {
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let list = Array.concat([i for (i in Iterator(styles.userNames))],
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[i for (i in Iterator(styles.userSheets)) if (!i[1].name)]);
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modules.commandline.commandOutput(
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template.tabular(["", "Name", "Filter", "CSS"],
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["min-width: 1em; text-align: center; color: red; font-weight: bold;",
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"padding: 0 1em 0 1ex; vertical-align: top;",
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"padding: 0 1em 0 0; vertical-align: top;"],
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([sheet.enabled ? "" : UTF8("×"),
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key,
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sheet.sites.join(","),
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sheet.css]
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for ([i, [key, sheet]] in Iterator(list))
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if ((!filter || sheet.sites.indexOf(filter) >= 0) && (!name || sheet.name == name)))));
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}
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else {
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if ("-append" in args) {
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let sheet = styles.get(false, name);
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if (sheet) {
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filter = sheet.sites.concat(filter).join(",");
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css = sheet.css + " " + css;
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}
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}
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styles.addSheet(false, name, filter, css);
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}
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},
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{
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bang: true,
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completer: function (context, args) {
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let compl = [];
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if (args.completeArg == 0)
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Styles.completeSite(context, window.content);
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else if (args.completeArg == 1) {
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let sheet = styles.get(false, args["-name"]);
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if (sheet)
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context.completions = [[sheet.css, "Current Value"]];
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}
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},
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hereDoc: true,
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literal: 1,
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options: [
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{
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names: ["-name", "-n"],
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description: "The name of this stylesheet",
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completer: function () [[k, v.css] for ([k, v] in Iterator(styles.userNames))],
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type: modules.CommandOption.STRING
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},
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{ names: ["-append", "-a"], description: "Append site filter and css to an existing, matching sheet" }
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],
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serialize: function () [
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{
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command: this.name,
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arguments: [sty.sites.join(",")],
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bang: true,
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literalArg: sty.css,
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options: sty.name ? { "-name": sty.name } : {}
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} for ([k, sty] in Iterator(styles.userSheets))
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]
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});
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[
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{
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name: ["stylee[nable]", "stye[nable]"],
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desc: "Enable a user style sheet",
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action: function (sheet) sheet.enabled = true,
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filter: function (sheet) !sheet.enabled
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},
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{
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name: ["styled[isable]", "styd[isable]"],
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desc: "Disable a user style sheet",
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action: function (sheet) sheet.enabled = false,
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filter: function (sheet) sheet.enabled
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},
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{
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name: ["stylet[oggle]", "styt[oggle]"],
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desc: "Toggle a user style sheet",
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action: function (sheet) sheet.enabled = !sheet.enabled
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},
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{
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name: ["dels[tyle]"],
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desc: "Remove a user style sheet",
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action: function (sheet) styles.removeSheet(sheet)
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}
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].forEach(function (cmd) {
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commands.add(cmd.name, cmd.desc,
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function (args) {
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styles.findSheets(false, args["-name"], args[0], args.literalArg, args["-index"])
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.forEach(cmd.action);
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},
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{
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completer: function (context) { context.completions = styles.sites.map(function (site) [site, ""]); },
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literal: 1,
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options: [
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{
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names: ["-index", "-i"],
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type: modules.CommandOption.INT,
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completer: function (context) {
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context.compare = CompletionContext.Sort.number;
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return [[i, <>{sheet.sites.join(",")}: {sheet.css.replace("\n", "\\n")}</>]
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for ([i, sheet] in styles.userSheets)
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if (!cmd.filter || cmd.filter(sheet))];
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},
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}, {
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names: ["-name", "-n"],
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type: modules.CommandOption.STRING,
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completer: function () [[name, sheet.css]
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for ([name, sheet] in Iterator(styles.userNames))
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if (!cmd.filter || cmd.filter(sheet))]
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}
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]
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});
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});
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},
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javascript: function (dactyl, modules, window) {
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modules.JavaScript.setCompleter(["get", "addSheet", "removeSheet", "findSheets"].map(function (m) styles[m]),
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[ // Prototype: (system, name, filter, css, index)
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null,
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function (context, obj, args) args[0] ? this.systemNames : this.userNames,
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function (context, obj, args) Styles.completeSite(context, window.content),
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null,
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function (context, obj, args) args[0] ? this.systemSheets : this.userSheets
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]);
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}
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});
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endmodule();
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// catch(e){dump(e.fileName+":"+e.lineNumber+": "+e+"\n" + e.stack);}
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// vim:se fdm=marker sw=4 ts=4 et ft=javascript:
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