1 // Copyright (c) 2013 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 "content/browser/webui/web_ui_controller_factory_registry.h" 6 7 #include "base/lazy_instance.h" 8 #include "content/browser/frame_host/debug_urls.h" 9 #include "content/public/common/url_constants.h" 10 #include "url/gurl.h" 11 12 namespace content { 13 14 base::LazyInstance<std::vector<WebUIControllerFactory*> > g_factories = 15 LAZY_INSTANCE_INITIALIZER; 16 17 void WebUIControllerFactory::RegisterFactory(WebUIControllerFactory* factory) { 18 g_factories.Pointer()->push_back(factory); 19 } 20 21 void WebUIControllerFactory::UnregisterFactoryForTesting( 22 WebUIControllerFactory* factory) { 23 std::vector<WebUIControllerFactory*>* factories = g_factories.Pointer(); 24 for (size_t i = 0; i < factories->size(); ++i) { 25 if ((*factories)[i] == factory) { 26 factories->erase(factories->begin() + i); 27 return; 28 } 29 } 30 NOTREACHED() << "Tried to unregister a factory but it wasn't found"; 31 } 32 33 WebUIControllerFactoryRegistry* WebUIControllerFactoryRegistry::GetInstance() { 34 return Singleton<WebUIControllerFactoryRegistry>::get(); 35 } 36 37 WebUIController* WebUIControllerFactoryRegistry::CreateWebUIControllerForURL( 38 WebUI* web_ui, const GURL& url) const { 39 std::vector<WebUIControllerFactory*>* factories = g_factories.Pointer(); 40 for (size_t i = 0; i < factories->size(); ++i) { 41 WebUIController* controller = (*factories)[i]->CreateWebUIControllerForURL( 42 web_ui, url); 43 if (controller) 44 return controller; 45 } 46 return NULL; 47 } 48 49 WebUI::TypeID WebUIControllerFactoryRegistry::GetWebUIType( 50 BrowserContext* browser_context, const GURL& url) const { 51 std::vector<WebUIControllerFactory*>* factories = g_factories.Pointer(); 52 for (size_t i = 0; i < factories->size(); ++i) { 53 WebUI::TypeID type = (*factories)[i]->GetWebUIType(browser_context, url); 54 if (type != WebUI::kNoWebUI) 55 return type; 56 } 57 return WebUI::kNoWebUI; 58 } 59 60 bool WebUIControllerFactoryRegistry::UseWebUIForURL( 61 BrowserContext* browser_context, const GURL& url) const { 62 std::vector<WebUIControllerFactory*>* factories = g_factories.Pointer(); 63 for (size_t i = 0; i < factories->size(); ++i) { 64 if ((*factories)[i]->UseWebUIForURL(browser_context, url)) 65 return true; 66 } 67 return false; 68 } 69 70 bool WebUIControllerFactoryRegistry::UseWebUIBindingsForURL( 71 BrowserContext* browser_context, const GURL& url) const { 72 std::vector<WebUIControllerFactory*>* factories = g_factories.Pointer(); 73 for (size_t i = 0; i < factories->size(); ++i) { 74 if ((*factories)[i]->UseWebUIBindingsForURL(browser_context, url)) 75 return true; 76 } 77 return false; 78 } 79 80 bool WebUIControllerFactoryRegistry::IsURLAcceptableForWebUI( 81 BrowserContext* browser_context, 82 const GURL& url) const { 83 return UseWebUIForURL(browser_context, url) || 84 // It's possible to load about:blank in a Web UI renderer. 85 // See http://crbug.com/42547 86 url.spec() == url::kAboutBlankURL || 87 // javascript: and debug URLs like chrome://kill are allowed. 88 IsRendererDebugURL(url); 89 } 90 91 WebUIControllerFactoryRegistry::WebUIControllerFactoryRegistry() { 92 } 93 94 WebUIControllerFactoryRegistry::~WebUIControllerFactoryRegistry() { 95 } 96 97 } // namespace content 98
