1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "chrome/browser/extensions/extension_web_ui_override_registrar.h" 6 7 #include "base/lazy_instance.h" 8 #include "chrome/browser/extensions/extension_web_ui.h" 9 #include "chrome/browser/profiles/profile.h" 10 #include "extensions/browser/extension_registry.h" 11 12 namespace extensions { 13 14 ExtensionWebUIOverrideRegistrar::ExtensionWebUIOverrideRegistrar( 15 content::BrowserContext* context) 16 : extension_registry_observer_(this) { 17 extension_registry_observer_.Add(ExtensionRegistry::Get(context)); 18 } 19 20 ExtensionWebUIOverrideRegistrar::~ExtensionWebUIOverrideRegistrar() { 21 } 22 23 void ExtensionWebUIOverrideRegistrar::OnExtensionLoaded( 24 content::BrowserContext* browser_context, 25 const Extension* extension) { 26 ExtensionWebUI::RegisterChromeURLOverrides( 27 Profile::FromBrowserContext(browser_context), 28 URLOverrides::GetChromeURLOverrides(extension)); 29 } 30 31 void ExtensionWebUIOverrideRegistrar::OnExtensionUnloaded( 32 content::BrowserContext* browser_context, 33 const Extension* extension, 34 UnloadedExtensionInfo::Reason reason) { 35 ExtensionWebUI::UnregisterChromeURLOverrides( 36 Profile::FromBrowserContext(browser_context), 37 URLOverrides::GetChromeURLOverrides(extension)); 38 } 39 40 static base::LazyInstance< 41 BrowserContextKeyedAPIFactory<ExtensionWebUIOverrideRegistrar> > g_factory = 42 LAZY_INSTANCE_INITIALIZER; 43 44 // static 45 BrowserContextKeyedAPIFactory<ExtensionWebUIOverrideRegistrar>* 46 ExtensionWebUIOverrideRegistrar::GetFactoryInstance() { 47 return g_factory.Pointer(); 48 } 49 50 } // namespace extensions 51
