// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef IOS_WEB_VIEW_INTERNAL_APP_APPLICATION_CONTEXT_H_
#define IOS_WEB_VIEW_INTERNAL_APP_APPLICATION_CONTEXT_H_
#include <memory>
#include <string>
#include "base/memory/scoped_refptr.h"
#include "base/no_destructor.h"
#include "base/sequence_checker.h"
#include "ios/web/public/init/network_context_owner.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/network/public/mojom/network_service.mojom.h"
namespace component_updater {
class ComponentUpdateService;
}
namespace net {
class NetLog;
class URLRequestContextGetter;
}
namespace network {
class NetworkChangeManager;
class NetworkConnectionTracker;
class SharedURLLoaderFactory;
class WeakWrapperSharedURLLoaderFactory;
namespace mojom {
class NetworkContext;
}
} // namespace network
namespace os_crypt_async {
class OSCryptAsync;
}
class PrefService;
class SafeBrowsingService;
namespace ios_web_view {
class WebViewIOThread;
// Exposes application global state objects.
class ApplicationContext {
public:
static ApplicationContext* GetInstance();
ApplicationContext(const ApplicationContext&) = delete;
ApplicationContext& operator=(const ApplicationContext&) = delete;
// Gets the preferences associated with this application.
PrefService* GetLocalState();
// Gets the URL request context associated with this application.
net::URLRequestContextGetter* GetSystemURLRequestContext();
scoped_refptr<network::SharedURLLoaderFactory> GetSharedURLLoaderFactory();
network::mojom::NetworkContext* GetSystemNetworkContext();
// Returns the NetworkConnectionTracker instance for this ApplicationContext.
network::NetworkConnectionTracker* GetNetworkConnectionTracker();
// Gets the locale used by the application.
const std::string& GetApplicationLocale();
// Gets the NetLog.
net::NetLog* GetNetLog();
// Gets the ComponentUpdateService.
component_updater::ComponentUpdateService* GetComponentUpdateService();
// Gets the application specific OSCryptAsync instance.
os_crypt_async::OSCryptAsync* GetOSCryptAsync();
// Creates state tied to application threads. It is expected this will be
// called from web::WebMainParts::PreCreateThreads.
void PreCreateThreads();
// Called after the browser threads are created. It is expected this will be
// called from web::WebMainParts::PostCreateThreads.
void PostCreateThreads();
// Saves application context state if |local_state_| exists. This should be
// called during shutdown to save application state.
void SaveState();
// Destroys state tied to application threads. It is expected this will be
// called from web::WebMainParts::PostDestroyThreads.
void PostDestroyThreads();
// Gets the SafeBrowsingService.
SafeBrowsingService* GetSafeBrowsingService();
// Shuts down SafeBrowsingService if it was created.
void ShutdownSafeBrowsingServiceIfNecessary();
private:
friend class base::NoDestructor<ApplicationContext>;
ApplicationContext();
~ApplicationContext();
// Gets the WebViewIOThread.
WebViewIOThread* GetWebViewIOThread();
// Sets the locale used by the application.
void SetApplicationLocale(const std::string& locale);
SEQUENCE_CHECKER(sequence_checker_);
std::unique_ptr<PrefService> local_state_;
std::unique_ptr<WebViewIOThread> web_view_io_thread_;
std::string application_locale_;
mojo::Remote<network::mojom::NetworkContext> network_context_;
mojo::Remote<network::mojom::URLLoaderFactory> url_loader_factory_;
scoped_refptr<network::WeakWrapperSharedURLLoaderFactory>
shared_url_loader_factory_;
// Created on the UI thread, destroyed on the IO thread.
std::unique_ptr<web::NetworkContextOwner> network_context_owner_;
std::unique_ptr<network::NetworkChangeManager> network_change_manager_;
std::unique_ptr<network::NetworkConnectionTracker>
network_connection_tracker_;
std::unique_ptr<component_updater::ComponentUpdateService> component_updater_;
scoped_refptr<SafeBrowsingService> safe_browsing_service_;
std::unique_ptr<os_crypt_async::OSCryptAsync> os_crypt_async_;
};
} // namespace ios_web_view
#endif // IOS_WEB_VIEW_INTERNAL_APP_APPLICATION_CONTEXT_H_