mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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86 lines
3.1 KiB
JavaScript
86 lines
3.1 KiB
JavaScript
# 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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/**
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* Listeners for the DevEdition theme. This adds an extra stylesheet
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* to browser.xul if a pref is set and no other themes are applied.
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*/
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let DevEdition = {
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_prefName: "browser.devedition.theme.enabled",
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_themePrefName: "general.skins.selectedSkin",
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_lwThemePrefName: "lightweightThemes.isThemeSelected",
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_devtoolsThemePrefName: "devtools.theme",
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styleSheetLocation: "chrome://browser/skin/devedition.css",
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styleSheet: null,
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init: function () {
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this._updateDevtoolsThemeAttribute();
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this._updateStyleSheet();
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// Listen for changes to all prefs except for complete themes.
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// No need for this since changing a complete theme requires a
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// restart.
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Services.prefs.addObserver(this._lwThemePrefName, this, false);
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Services.prefs.addObserver(this._prefName, this, false);
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Services.prefs.addObserver(this._devtoolsThemePrefName, this, false);
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},
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observe: function (subject, topic, data) {
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if (topic == "nsPref:changed") {
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if (data == this._devtoolsThemePrefName) {
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this._updateDevtoolsThemeAttribute();
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} else {
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this._updateStyleSheet();
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}
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}
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},
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_updateDevtoolsThemeAttribute: function() {
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// Set an attribute on root element to make it possible
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// to change colors based on the selected devtools theme.
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document.documentElement.setAttribute("devtoolstheme",
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Services.prefs.getCharPref(this._devtoolsThemePrefName));
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},
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_updateStyleSheet: function() {
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// Only try to apply the dev edition theme if it is preffered
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// on and there are no other themes applied.
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let lightweightThemeSelected = false;
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try {
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lightweightThemeSelected = Services.prefs.getBoolPref(this._lwThemePrefName);
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} catch(e) {}
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let defaultThemeSelected = false;
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try {
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defaultThemeSelected = Services.prefs.getCharPref(this._themePrefName) == "classic/1.0";
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} catch(e) {}
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let deveditionThemeEnabled = Services.prefs.getBoolPref(this._prefName) &&
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!lightweightThemeSelected && defaultThemeSelected;
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if (deveditionThemeEnabled && !this.styleSheet) {
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let styleSheetAttr = `href="${this.styleSheetLocation}" type="text/css"`;
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let styleSheet = this.styleSheet = document.createProcessingInstruction(
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'xml-stylesheet', styleSheetAttr);
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this.styleSheet.addEventListener("load", function onLoad() {
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styleSheet.removeEventListener("load", onLoad);
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ToolbarIconColor.inferFromText();
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});
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document.insertBefore(this.styleSheet, document.documentElement);
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} else if (!deveditionThemeEnabled && this.styleSheet) {
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this.styleSheet.remove();
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this.styleSheet = null;
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ToolbarIconColor.inferFromText();
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}
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},
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uninit: function () {
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Services.prefs.removeObserver(this._lwThemePrefName, this);
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Services.prefs.removeObserver(this._prefName, this);
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Services.prefs.removeObserver(this._devtoolsThemePrefName, this);
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this.styleSheet = null;
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}
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};
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