| // Copyright 2019 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "weblayer/browser/webui/web_ui_controller_factory.h" |
| |
| #include "base/memory/ptr_util.h" |
| #include "base/no_destructor.h" |
| #include "content/public/browser/web_ui.h" |
| #include "url/gurl.h" |
| #include "weblayer/browser/webui/net_export_ui.h" |
| #include "weblayer/browser/webui/weblayer_internals_ui.h" |
| |
| namespace weblayer { |
| namespace { |
| |
| const content::WebUI::TypeID kWebLayerID = &kWebLayerID; |
| |
| // A function for creating a new WebUI. The caller owns the return value, which |
| // may be nullptr (for example, if the URL refers to an non-existent extension). |
| typedef content::WebUIController* ( |
| *WebUIFactoryFunctionPointer)(content::WebUI* web_ui, const GURL& url); |
| |
| // Template for defining WebUIFactoryFunctionPointer. |
| template <class T> |
| content::WebUIController* NewWebUI(content::WebUI* web_ui, const GURL& url) { |
| return new T(web_ui); |
| } |
| |
| WebUIFactoryFunctionPointer GetWebUIFactoryFunctionPointer(const GURL& url) { |
| if (url.host() == kChromeUIWebLayerHost) { |
| return &NewWebUI<WebLayerInternalsUI>; |
| } |
| if (url.host() == kChromeUINetExportHost) { |
| return &NewWebUI<NetExportUI>; |
| } |
| |
| return nullptr; |
| } |
| |
| content::WebUI::TypeID GetWebUITypeID(const GURL& url) { |
| if (url.host() == kChromeUIWebLayerHost || |
| url.host() == kChromeUINetExportHost) { |
| return kWebLayerID; |
| } |
| |
| return content::WebUI::kNoWebUI; |
| } |
| |
| } // namespace |
| |
| // static |
| WebUIControllerFactory* WebUIControllerFactory::GetInstance() { |
| static base::NoDestructor<WebUIControllerFactory> instance; |
| return instance.get(); |
| } |
| |
| WebUIControllerFactory::WebUIControllerFactory() = default; |
| |
| WebUIControllerFactory::~WebUIControllerFactory() = default; |
| |
| content::WebUI::TypeID WebUIControllerFactory::GetWebUIType( |
| content::BrowserContext* browser_context, |
| const GURL& url) { |
| return GetWebUITypeID(url); |
| } |
| |
| bool WebUIControllerFactory::UseWebUIForURL( |
| content::BrowserContext* browser_context, |
| const GURL& url) { |
| return GetWebUIType(browser_context, url) != content::WebUI::kNoWebUI; |
| } |
| |
| std::unique_ptr<content::WebUIController> |
| WebUIControllerFactory::CreateWebUIControllerForURL(content::WebUI* web_ui, |
| const GURL& url) { |
| WebUIFactoryFunctionPointer function = GetWebUIFactoryFunctionPointer(url); |
| if (!function) |
| return nullptr; |
| |
| return base::WrapUnique((*function)(web_ui, url)); |
| } |
| |
| } // namespace weblayer |