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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_TEST_BASE_TEST_CHROME_WEB_UI_CONTROLLER_FACTORY_H_
#define CHROME_TEST_BASE_TEST_CHROME_WEB_UI_CONTROLLER_FACTORY_H_
#include <map>
#include <memory>
#include <string>
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
#include "content/public/browser/web_ui.h"
#include "content/public/browser/web_ui_data_source.h"
// A test implementation of ChromeWebUIControllerFactory that provides a
// registry to override CreateWebUIControllerForURL() by host.
class TestChromeWebUIControllerFactory : public ChromeWebUIControllerFactory {
public:
// Interface to create a new WebUI object.
class WebUIProvider {
public:
// Create and return a new WebUI object for the |web_contents| based on the
// |url|.
virtual std::unique_ptr<content::WebUIController> NewWebUI(
content::WebUI* web_ui,
const GURL& url) = 0;
// Override this method to customize `source` for the newly created WebUI
// controller.
virtual void DataSourceOverrides(content::WebUIDataSource* source) {}
protected:
virtual ~WebUIProvider();
};
using FactoryOverridesMap =
std::map<std::string, raw_ptr<WebUIProvider, CtnExperimental>>;
TestChromeWebUIControllerFactory();
TestChromeWebUIControllerFactory(const TestChromeWebUIControllerFactory&) =
delete;
TestChromeWebUIControllerFactory& operator=(
const TestChromeWebUIControllerFactory&) = delete;
~TestChromeWebUIControllerFactory() override;
// Sets the Web UI host.
void set_webui_host(const std::string& webui_host);
// Override the creation for urls having |host| with |provider|.
void AddFactoryOverride(const std::string& host, WebUIProvider* provider);
// Remove the override for urls having |host|.
void RemoveFactoryOverride(const std::string& host);
// ChromeWebUIFactory overrides.
content::WebUI::TypeID GetWebUIType(content::BrowserContext* browser_context,
const GURL& url) override;
std::unique_ptr<content::WebUIController> CreateWebUIControllerForURL(
content::WebUI* web_ui,
const GURL& url) override;
private:
// Return the WebUIProvider for the |url|'s host if it exists, otherwise NULL.
WebUIProvider* GetWebUIProvider(Profile* profile, const GURL& url) const;
// Replace |url|'s host with the Web UI host if |url| is a test URL served
// from the TestDataSource. This ensures the factory always creates the
// appropriate Web UI controller when these URLs are encountered instead of
// failing.
GURL TestURLToWebUIURL(const GURL& url) const;
// Stores the mapping of host to WebUIProvider.
FactoryOverridesMap factory_overrides_;
// Stores the Web UI host to create the correct Web UI controller for
// chrome://test URL requests.
std::string webui_host_;
};
#endif // CHROME_TEST_BASE_TEST_CHROME_WEB_UI_CONTROLLER_FACTORY_H_
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