forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			129 lines
		
	
	
	
		
			4.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
	
		
			4.4 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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| /**
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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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| var DevEdition = {
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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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|   initialized: false,
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| 
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|   get isStyleSheetEnabled() {
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|     return this.styleSheet && !this.styleSheet.sheet.disabled;
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|   },
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| 
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|   get isThemeCurrentlyApplied() {
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|     let theme = LightweightThemeManager.currentTheme;
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|     return theme && theme.id == "firefox-devedition@mozilla.org";
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|   },
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| 
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|   init: function () {
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|     this.initialized = true;
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|     Services.prefs.addObserver(this._devtoolsThemePrefName, this, false);
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|     Services.obs.addObserver(this, "lightweight-theme-styling-update", false);
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|     this._updateDevtoolsThemeAttribute();
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| 
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|     if (this.isThemeCurrentlyApplied) {
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|       this._toggleStyleSheet(true);
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|     }
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|   },
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| 
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|   createStyleSheet: function() {
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|     let styleSheetAttr = `href="${this.styleSheetLocation}" type="text/css"`;
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|     this.styleSheet = document.createProcessingInstruction(
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|       "xml-stylesheet", styleSheetAttr);
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|     this.styleSheet.addEventListener("load", this);
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|     document.insertBefore(this.styleSheet, document.documentElement);
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|     this.styleSheet.sheet.disabled = true;
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|   },
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| 
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|   observe: function (subject, topic, data) {
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|     if (topic == "lightweight-theme-styling-update") {
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|       let newTheme = JSON.parse(data);
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|       if (newTheme && newTheme.id == "firefox-devedition@mozilla.org") {
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|         this._toggleStyleSheet(true);
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|       } else {
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|         this._toggleStyleSheet(false);
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|       }
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|     }
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| 
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|     if (topic == "nsPref:changed" && data == this._devtoolsThemePrefName) {
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|       this._updateDevtoolsThemeAttribute();
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|     }
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|   },
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| 
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|   _inferBrightness: function() {
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|     ToolbarIconColor.inferFromText();
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|     // Get an inverted full screen button if the dark theme is applied.
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|     if (this.isStyleSheetEnabled &&
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|         document.documentElement.getAttribute("devtoolstheme") == "dark") {
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|       document.documentElement.setAttribute("brighttitlebarforeground", "true");
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|     } else {
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|       document.documentElement.removeAttribute("brighttitlebarforeground");
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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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|     let devtoolsTheme = Services.prefs.getCharPref(this._devtoolsThemePrefName);
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|     if (devtoolsTheme != "dark") {
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|       devtoolsTheme = "light";
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|     }
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|     document.documentElement.setAttribute("devtoolstheme", devtoolsTheme);
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|     this._inferBrightness();
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|   },
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| 
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|   handleEvent: function(e) {
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|     if (e.type === "load") {
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|       this.styleSheet.removeEventListener("load", this);
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|       this.refreshBrowserDisplay();
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|     }
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|   },
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| 
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|   refreshBrowserDisplay: function() {
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|     // Don't touch things on the browser if gBrowserInit.onLoad hasn't
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|     // yet fired.
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|     if (this.initialized) {
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|       gBrowser.tabContainer._positionPinnedTabs();
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|       this._inferBrightness();
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|     }
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|   },
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| 
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|   _toggleStyleSheet: function(deveditionThemeEnabled) {
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|     let wasEnabled = this.isStyleSheetEnabled;
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|     if (deveditionThemeEnabled && !wasEnabled) {
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|       // The stylesheet may not have been created yet if it wasn't
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|       // needed on initial load.  Make it now.
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|       if (!this.styleSheet) {
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|         this.createStyleSheet();
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|       }
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|       this.styleSheet.sheet.disabled = false;
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|       this.refreshBrowserDisplay();
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|     } else if (!deveditionThemeEnabled && wasEnabled) {
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|       this.styleSheet.sheet.disabled = true;
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|       this.refreshBrowserDisplay();
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|     }
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|   },
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| 
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|   uninit: function () {
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|     Services.prefs.removeObserver(this._devtoolsThemePrefName, this);
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|     Services.obs.removeObserver(this, "lightweight-theme-styling-update", false);
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|     if (this.styleSheet) {
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|       this.styleSheet.removeEventListener("load", this);
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|     }
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|     this.styleSheet = null;
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|   }
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| };
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| 
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| // If the DevEdition theme is going to be applied in gBrowserInit.onLoad,
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| // then preload it now.  This prevents a flash of unstyled content where the
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| // normal theme is applied while the DevEdition stylesheet is loading.
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| if (!AppConstants.RELEASE_BUILD &&
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|     this != Services.appShell.hiddenDOMWindow && DevEdition.isThemeCurrentlyApplied) {
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|   DevEdition.createStyleSheet();
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| }
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