Move all remaining appcache-related code to content namespace

webkit/browser/appcache/appcache_service_impl.h

-// Copyright 2014 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 WEBKIT_BROWSER_APPCACHE_APPCACHE_SERVICE_IMPL_H_
-#define WEBKIT_BROWSER_APPCACHE_APPCACHE_SERVICE_IMPL_H_
-
-#include <map>
-#include <set>
-
-#include "base/gtest_prod_util.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/observer_list.h"
-#include "base/time/time.h"
-#include "base/timer/timer.h"
-#include "net/base/completion_callback.h"
-#include "net/base/net_errors.h"
-#include "webkit/browser/appcache/appcache_service.h"
-#include "webkit/browser/quota/quota_manager_proxy.h"
-#include "webkit/browser/webkit_storage_browser_export.h"
-#include "webkit/common/appcache/appcache_interfaces.h"
-
-namespace net {
-class URLRequestContext;
-}  // namespace net
-
-namespace base {
-class FilePath;
-class MessageLoopProxy;
-}
-
-namespace content {
-FORWARD_DECLARE_TEST(AppCacheServiceImplTest, ScheduleReinitialize);
-class AppCacheServiceImplTest;
-class AppCacheStorageImplTest;
-}
-
-namespace quota {
-class SpecialStoragePolicy;
-}
-
-namespace appcache {
-
-class AppCacheBackendImpl;
-class AppCacheExecutableHandlerFactory;
-class AppCacheQuotaClient;
-class AppCachePolicy;
-class AppCacheStorage;
-
-// Refcounted container to manage the lifetime of the old storage instance
-// during Reinitialization.
-class WEBKIT_STORAGE_BROWSER_EXPORT AppCacheStorageReference
-    : public base::RefCounted<AppCacheStorageReference> {
-public:
-  AppCacheStorage* storage() const { return storage_.get(); }
-private:
-  friend class AppCacheServiceImpl;
-  friend class base::RefCounted<AppCacheStorageReference>;
-  AppCacheStorageReference(scoped_ptr<AppCacheStorage> storage);
-  ~AppCacheStorageReference();
-
-  scoped_ptr<AppCacheStorage> storage_;
-};
-
-// Class that manages the application cache service. Sends notifications
-// to many frontends.  One instance per user-profile. Each instance has
-// exclusive access to its cache_directory on disk.
-class WEBKIT_STORAGE_BROWSER_EXPORT AppCacheServiceImpl
-    : public AppCacheService {
- public:
-
-  class WEBKIT_STORAGE_BROWSER_EXPORT Observer {
-   public:
-    // An observer method to inform consumers of reinitialzation. Managing
-    // the lifetime of the old storage instance is a delicate process.
-    // Consumers can keep the old disabled instance alive by hanging on to the
-    // ref provided.
-    virtual void OnServiceReinitialized(
-        AppCacheStorageReference* old_storage_ref) = 0;
-    virtual ~Observer() {}
-  };
-
-  // If not using quota management, the proxy may be NULL.
-  explicit AppCacheServiceImpl(quota::QuotaManagerProxy* quota_manager_proxy);
-  virtual ~AppCacheServiceImpl();
-
-  void Initialize(const base::FilePath& cache_directory,
-                  base::MessageLoopProxy* db_thread,
-                  base::MessageLoopProxy* cache_thread);
-
-  void AddObserver(Observer* observer) {
-    observers_.AddObserver(observer);
-  }
-
-  void RemoveObserver(Observer* observer) {
-    observers_.RemoveObserver(observer);
-  }
-
-  // For use in catastrophic failure modes to reboot the appcache system
-  // without relaunching the browser.
-  void ScheduleReinitialize();
-
-  // AppCacheService implementation:
-  virtual void CanHandleMainResourceOffline(
-      const GURL& url,
-      const GURL& first_party,
-      const net::CompletionCallback& callback) OVERRIDE;
-  virtual void GetAllAppCacheInfo(
-      AppCacheInfoCollection* collection,
-      const net::CompletionCallback& callback) OVERRIDE;
-  virtual void DeleteAppCacheGroup(
-      const GURL& manifest_url,
-      const net::CompletionCallback& callback) OVERRIDE;
-
-  // Deletes all appcaches for the origin, 'callback' is invoked upon
-  // completion. This method always completes asynchronously.
-  // (virtual for unit testing)
-  virtual void DeleteAppCachesForOrigin(
-      const GURL& origin, const net::CompletionCallback& callback);
-
-  // Checks the integrity of 'response_id' by reading the headers and data.
-  // If it cannot be read, the cache group for 'manifest_url' is deleted.
-  void CheckAppCacheResponse(const GURL& manifest_url, int64 cache_id,
-                             int64 response_id);
-
-  // Context for use during cache updates, should only be accessed
-  // on the IO thread. We do NOT add a reference to the request context,
-  // it is the callers responsibility to ensure that the pointer
-  // remains valid while set.
-  net::URLRequestContext* request_context() const { return request_context_; }
-  void set_request_context(net::URLRequestContext* context) {
-    request_context_ = context;
-  }
-
-  // The appcache policy, may be null, in which case access is always allowed.
-  // The service does NOT assume ownership of the policy, it is the callers
-  // responsibility to ensure that the pointer remains valid while set.
-  AppCachePolicy* appcache_policy() const { return appcache_policy_; }
-  void set_appcache_policy(AppCachePolicy* policy) {
-    appcache_policy_ = policy;
-  }
-
-  // The factory may be null, in which case invocations of exe handlers
-  // will result in an error response.
-  // The service does NOT assume ownership of the factory, it is the callers
-  // responsibility to ensure that the pointer remains valid while set.
-  AppCacheExecutableHandlerFactory* handler_factory() const {
-    return handler_factory_;
-  }
-  void set_handler_factory(
-      AppCacheExecutableHandlerFactory* factory) {
-    handler_factory_ = factory;
-  }
-
-  quota::SpecialStoragePolicy* special_storage_policy() const {
-    return special_storage_policy_.get();
-  }
-  void set_special_storage_policy(quota::SpecialStoragePolicy* policy);
-
-  quota::QuotaManagerProxy* quota_manager_proxy() const {
-    return quota_manager_proxy_.get();
-  }
-
-  AppCacheQuotaClient* quota_client() const {
-    return quota_client_;
-  }
-
-  // Each child process in chrome uses a distinct backend instance.
-  // See chrome/browser/AppCacheDispatcherHost.
-  void RegisterBackend(AppCacheBackendImpl* backend_impl);
-  void UnregisterBackend(AppCacheBackendImpl* backend_impl);
-  AppCacheBackendImpl* GetBackend(int id) const {
-    BackendMap::const_iterator it = backends_.find(id);
-    return (it != backends_.end()) ? it->second : NULL;
-  }
-
-  AppCacheStorage* storage() const { return storage_.get(); }
-
-  // Disables the exit-time deletion of session-only data.
-  void set_force_keep_session_state() { force_keep_session_state_ = true; }
-  bool force_keep_session_state() const { return force_keep_session_state_; }
-
- protected:
-  friend class content::AppCacheServiceImplTest;
-  friend class content::AppCacheStorageImplTest;
-  FRIEND_TEST_ALL_PREFIXES(content::AppCacheServiceImplTest,
-      ScheduleReinitialize);
-
-  class AsyncHelper;
-  class CanHandleOfflineHelper;
-  class DeleteHelper;
-  class DeleteOriginHelper;
-  class GetInfoHelper;
-  class CheckResponseHelper;
-
-  typedef std::set<AsyncHelper*> PendingAsyncHelpers;
-  typedef std::map<int, AppCacheBackendImpl*> BackendMap;
-
-  void Reinitialize();
-
-  base::FilePath cache_directory_;
-  scoped_refptr<base::MessageLoopProxy> db_thread_;
-  scoped_refptr<base::MessageLoopProxy> cache_thread_;
-  AppCachePolicy* appcache_policy_;
-  AppCacheQuotaClient* quota_client_;
-  AppCacheExecutableHandlerFactory* handler_factory_;
-  scoped_ptr<AppCacheStorage> storage_;
-  scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy_;
-  scoped_refptr<quota::QuotaManagerProxy> quota_manager_proxy_;
-  PendingAsyncHelpers pending_helpers_;
-  BackendMap backends_;  // One 'backend' per child process.
-  // Context for use during cache updates.
-  net::URLRequestContext* request_context_;
-  // If true, nothing (not even session-only data) should be deleted on exit.
-  bool force_keep_session_state_;
-  base::Time last_reinit_time_;
-  base::TimeDelta next_reinit_delay_;
-  base::OneShotTimer<AppCacheServiceImpl> reinit_timer_;
-  ObserverList<Observer> observers_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppCacheServiceImpl);
-};
-
-}  // namespace appcache
-
-#endif  // WEBKIT_BROWSER_APPCACHE_APPCACHE_SERVICE_IMPL_H_