forked from mirrors/gecko-dev
125 lines
3.4 KiB
JavaScript
125 lines
3.4 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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var TabsInTitlebar;
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{
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// start private TabsInTitlebar scope
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TabsInTitlebar = {
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init() {
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this._readPref();
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Services.prefs.addObserver(this._prefName, this);
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dragSpaceObserver.init();
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this._initialized = true;
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this._update();
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},
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allowedBy(condition, allow) {
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if (allow) {
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if (condition in this._disallowed) {
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delete this._disallowed[condition];
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this._update();
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}
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} else if (!(condition in this._disallowed)) {
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this._disallowed[condition] = null;
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this._update();
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}
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},
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get systemSupported() {
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let isSupported = false;
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switch (AppConstants.MOZ_WIDGET_TOOLKIT) {
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case "windows":
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case "cocoa":
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isSupported = true;
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break;
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case "gtk":
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isSupported = window.matchMedia("(-moz-gtk-csd-available)").matches;
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break;
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}
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delete this.systemSupported;
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return (this.systemSupported = isSupported);
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},
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get enabled() {
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return document.documentElement.getAttribute("tabsintitlebar") == "true";
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},
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observe(subject, topic, data) {
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if (topic == "nsPref:changed") {
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this._readPref();
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}
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},
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_initialized: false,
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_disallowed: {},
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_prefName: "browser.tabs.drawInTitlebar",
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_readPref() {
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let hiddenTitlebar = Services.prefs.getBoolPref(
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"browser.tabs.drawInTitlebar",
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window.matchMedia("(-moz-gtk-csd-hide-titlebar-by-default)").matches
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);
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this.allowedBy("pref", hiddenTitlebar);
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},
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_update() {
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if (!this._initialized) {
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return;
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}
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let allowed =
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this.systemSupported &&
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!window.fullScreen &&
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!Object.keys(this._disallowed).length;
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if (allowed) {
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document.documentElement.setAttribute("tabsintitlebar", "true");
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if (AppConstants.platform == "macosx") {
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document.documentElement.setAttribute("chromemargin", "0,-1,-1,-1");
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document.documentElement.removeAttribute("drawtitle");
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} else {
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document.documentElement.setAttribute("chromemargin", "0,2,2,2");
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}
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} else {
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document.documentElement.removeAttribute("tabsintitlebar");
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document.documentElement.removeAttribute("chromemargin");
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if (AppConstants.platform == "macosx") {
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document.documentElement.setAttribute("drawtitle", "true");
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}
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}
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ToolbarIconColor.inferFromText("tabsintitlebar", allowed);
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},
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uninit() {
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Services.prefs.removeObserver(this._prefName, this);
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dragSpaceObserver.uninit();
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},
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};
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// Adds additional drag space to the window by listening to
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// the corresponding preference.
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let dragSpaceObserver = {
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pref: "browser.tabs.extraDragSpace",
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init() {
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Services.prefs.addObserver(this.pref, this);
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this.observe();
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},
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uninit() {
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Services.prefs.removeObserver(this.pref, this);
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},
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observe() {
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if (Services.prefs.getBoolPref(this.pref)) {
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document.documentElement.setAttribute("extradragspace", "true");
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} else {
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document.documentElement.removeAttribute("extradragspace");
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}
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},
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};
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} // end private TabsInTitlebar scope
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