| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_BROWSER_APPCACHE_APPCACHE_NAVIGATION_HANDLE_CORE_H_ |
| #define CONTENT_BROWSER_APPCACHE_APPCACHE_NAVIGATION_HANDLE_CORE_H_ |
| |
| #include <memory> |
| #include <sstream> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "content/common/appcache_interfaces.h" |
| |
| namespace content { |
| |
| class AppCacheNavigationHandle; |
| class AppCacheHost; |
| class AppCacheServiceImpl; |
| class ChromeAppCacheService; |
| |
| // PlzNavigate |
| // This class is used to manage the lifetime of AppCacheHosts |
| // created during navigations. This class is created on the UI thread, but |
| // should only be accessed from the IO thread afterwards. It is the IO thread |
| // pendant of AppCacheNavigationHandle. See the |
| // AppCacheNavigationHandle header for more details about the lifetime of |
| // both classes. |
| class AppCacheNavigationHandleCore : public AppCacheFrontend { |
| public: |
| AppCacheNavigationHandleCore( |
| base::WeakPtr<AppCacheNavigationHandle> ui_handle, |
| ChromeAppCacheService* appcache_service, |
| int appcache_host_id); |
| ~AppCacheNavigationHandleCore() override; |
| |
| // Returns the raw AppCacheHost pointer. Ownership remains with this class. |
| AppCacheHost* host() { return precreated_host_.get(); } |
| |
| // Initializes this instance. Should be called on the IO thread. |
| void Initialize(); |
| |
| // Returns the precreated AppCacheHost pointer. Ownership of the host is |
| // released here. |
| static std::unique_ptr<AppCacheHost> GetPrecreatedHost(int host_id); |
| |
| AppCacheServiceImpl* GetAppCacheService(); |
| |
| void AddRequestToDebugLog(const GURL& url); |
| std::string GetDebugLog(); |
| |
| protected: |
| // AppCacheFrontend methods |
| // We don't expect calls on the AppCacheFrontend methods while the |
| // AppCacheHost is not registered with the AppCacheBackend. |
| void OnCacheSelected(int host_id, const AppCacheInfo& info) override; |
| void OnStatusChanged(const std::vector<int>& host_ids, |
| AppCacheStatus status) override; |
| void OnEventRaised(const std::vector<int>& host_ids, |
| AppCacheEventID event_id) override; |
| void OnProgressEventRaised(const std::vector<int>& host_ids, |
| const GURL& url, |
| int num_total, |
| int num_complete) override; |
| void OnErrorEventRaised(const std::vector<int>& host_ids, |
| const AppCacheErrorDetails& details) override; |
| void OnLogMessage(int host_id, |
| AppCacheLogLevel log_level, |
| const std::string& message) override; |
| void OnContentBlocked(int host_id, const GURL& manifest_url) override; |
| void OnSetSubresourceFactory( |
| int host_id, |
| network::mojom::URLLoaderFactoryPtr url_loader_factory) override; |
| |
| private: |
| std::unique_ptr<AppCacheHost> precreated_host_; |
| scoped_refptr<ChromeAppCacheService> appcache_service_; |
| int appcache_host_id_; |
| base::WeakPtr<AppCacheNavigationHandle> ui_handle_; |
| |
| // For https://crbug.com/857005. |
| base::Optional<std::vector<std::string>> debug_log_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AppCacheNavigationHandleCore); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_APPCACHE_APPCACHE_NAVIGATION_HANDLE_CORE_H_ |