Break out the IO thread aspects of HttpServerPropertiesManager into a new ChromeHttpServerPropertie…

chrome/browser/net/http_server_properties_manager.h

 // Copyright (c) 2012 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 CHROME_BROWSER_NET_HTTP_SERVER_PROPERTIES_MANAGER_H_
 #define CHROME_BROWSER_NET_HTTP_SERVER_PROPERTIES_MANAGER_H_
 
 #include <string>
 #include <vector>
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/prefs/pref_change_registrar.h"
 #include "base/timer/timer.h"
 #include "base/values.h"
+#include "chrome/browser/net/chrome_http_server_properties.h"
 #include "net/base/host_port_pair.h"
 #include "net/http/http_server_properties.h"
 #include "net/http/http_server_properties_impl.h"
 
 class PrefService;
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
@@ skipping 14 matching lines @@
 // the prefs listeners.
 //
 // ShutdownOnUIThread must be called from UI before destruction, to release
 // the prefs listeners on the UI thread. This is done from ProfileIOData.
 //
 // Update tasks from the UI thread can post safely to the IO thread, since the
 // destruction order of Profile and ProfileIOData guarantees that if this
 // exists in UI, then a potential destruction on IO will come after any task
 // posted to IO from that method on UI. This is used to go through IO before
 // the actual update starts, and grab a WeakPtr.
-class HttpServerPropertiesManager
-    : public net::HttpServerProperties {
+class HttpServerPropertiesManager {
  public:
   // Create an instance of the HttpServerPropertiesManager. The lifetime of the
   // PrefService objects must be longer than that of the
   // HttpServerPropertiesManager object. Must be constructed on the UI thread.
   explicit HttpServerPropertiesManager(PrefService* pref_service);
   virtual ~HttpServerPropertiesManager();
 
   // Initialize |http_server_properties_impl_| and |io_method_factory_| on IO
   // thread. It also posts a task to UI thread to get SPDY Server preferences
   // from |pref_service_|.
   void InitializeOnIOThread();
 
   // Prepare for shutdown. Must be called on the UI thread, before destruction.
   void ShutdownOnUIThread();
 
   // Register |prefs| for properties managed here.
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
   // Helper function for unit tests to set the version in the dictionary.
   static void SetVersion(base::DictionaryValue* http_server_properties_dict,
                          int version_number);
 
-  // Deletes all data. Works asynchronously, but if a |completion| callback is
-  // provided, it will be fired on the UI thread when everything is done.
-  void Clear(const base::Closure& completion);
-
-  // ----------------------------------
-  // net::HttpServerProperties methods:
-  // ----------------------------------
-
-  // Gets a weak pointer for this object.
-  virtual base::WeakPtr<net::HttpServerProperties> GetWeakPtr() OVERRIDE;
-
-  // Deletes all data. Works asynchronously.
-  virtual void Clear() OVERRIDE;
-
-  // Returns true if |server| supports SPDY. Should only be called from IO
-  // thread.
-  virtual bool SupportsSpdy(const net::HostPortPair& server) OVERRIDE;
-
-  // Add |server| as the SPDY server which supports SPDY protocol into the
-  // persisitent store. Should only be called from IO thread.
-  virtual void SetSupportsSpdy(const net::HostPortPair& server,
-                               bool support_spdy) OVERRIDE;
-
-  // Returns true if |server| has an Alternate-Protocol header.
-  virtual bool HasAlternateProtocol(const net::HostPortPair& server) OVERRIDE;
-
-  // Returns the Alternate-Protocol and port for |server|.
-  // HasAlternateProtocol(server) must be true.
-  virtual net::PortAlternateProtocolPair GetAlternateProtocol(
-      const net::HostPortPair& server) OVERRIDE;
-
-  // Sets the Alternate-Protocol for |server|.
-  virtual void SetAlternateProtocol(
-      const net::HostPortPair& server,
-      uint16 alternate_port,
-      net::AlternateProtocol alternate_protocol) OVERRIDE;
-
-  // Sets the Alternate-Protocol for |server| to be BROKEN.
-  virtual void SetBrokenAlternateProtocol(
-      const net::HostPortPair& server) OVERRIDE;
-
-  // Returns true if Alternate-Protocol for |server| was recently BROKEN.
-  virtual bool WasAlternateProtocolRecentlyBroken(
-      const net::HostPortPair& server) OVERRIDE;
-
-  // Confirms that Alternate-Protocol for |server| is working.
-  virtual void ConfirmAlternateProtocol(
-      const net::HostPortPair& server) OVERRIDE;
-
-  // Clears the Alternate-Protocol for |server|.
-  virtual void ClearAlternateProtocol(const net::HostPortPair& server) OVERRIDE;
-
-  // Returns all Alternate-Protocol mappings.
-  virtual const net::AlternateProtocolMap&
-      alternate_protocol_map() const OVERRIDE;
-
-  virtual void SetAlternateProtocolExperiment(
-      net::AlternateProtocolExperiment experiment) OVERRIDE;
-
-  virtual net::AlternateProtocolExperiment GetAlternateProtocolExperiment()
-      const OVERRIDE;
-
-  // Gets a reference to the SettingsMap stored for a host.
-  // If no settings are stored, returns an empty SettingsMap.
-  virtual const net::SettingsMap& GetSpdySettings(
-      const net::HostPortPair& host_port_pair) OVERRIDE;
-
-  // Saves an individual SPDY setting for a host. Returns true if SPDY setting
-  // is to be persisted.
-  virtual bool SetSpdySetting(const net::HostPortPair& host_port_pair,
-                              net::SpdySettingsIds id,
-                              net::SpdySettingsFlags flags,
-                              uint32 value) OVERRIDE;
-
-  // Clears all SPDY settings for a host.
-  virtual void ClearSpdySettings(
-      const net::HostPortPair& host_port_pair) OVERRIDE;
-
-  // Clears all SPDY settings for all hosts.
-  virtual void ClearAllSpdySettings() OVERRIDE;
-
-  // Returns all SPDY persistent settings.
-  virtual const net::SpdySettingsMap& spdy_settings_map() const OVERRIDE;
-
-  virtual void SetServerNetworkStats(const net::HostPortPair& host_port_pair,
-                                     NetworkStats stats) OVERRIDE;
-
-  virtual const NetworkStats* GetServerNetworkStats(
-      const net::HostPortPair& host_port_pair) const OVERRIDE;
+  net::HttpServerProperties* http_server_properties();
 
  protected:
   // --------------------
   // SPDY related methods
 
   // These are used to delay updating of the cached data in
   // |http_server_properties_impl_| while the preferences are changing, and
   // execute only one update per simultaneous prefs changes.
   void ScheduleUpdateCacheOnUI();
 
   // Starts the timers to update the cached prefs. This are overridden in tests
   // to prevent the delay.
   virtual void StartCacheUpdateTimerOnUI(base::TimeDelta delay);
 
   // Update cached prefs in |http_server_properties_impl_| with data from
   // preferences. It gets the data on UI thread and calls
   // UpdateSpdyServersFromPrefsOnIO() to perform the update on IO thread.
   virtual void UpdateCacheFromPrefsOnUI();
 
-  // Starts the update of cached prefs in |http_server_properties_impl_| on the
-  // IO thread. Protected for testing.
-  void UpdateCacheFromPrefsOnIO(
-      std::vector<std::string>* spdy_servers,
-      net::SpdySettingsMap* spdy_settings_map,
-      net::AlternateProtocolMap* alternate_protocol_map,
-      net::AlternateProtocolExperiment alternate_protocol_experiment,
-      bool detected_corrupted_prefs);
-
-  // These are used to delay updating the preferences when cached data in
-  // |http_server_properties_impl_| is changing, and execute only one update per
-  // simultaneous spdy_servers or spdy_settings or alternate_protocol changes.
-  void ScheduleUpdatePrefsOnIO();
-
-  // Starts the timers to update the prefs from cache. This are overridden in
-  // tests to prevent the delay.
-  virtual void StartPrefsUpdateTimerOnIO(base::TimeDelta delay);
-
-  // Update prefs::kHttpServerProperties in preferences with the cached data
-  // from |http_server_properties_impl_|. This gets the data on IO thread and
-  // posts a task (UpdatePrefsOnUI) to update the preferences UI thread.
-  void UpdatePrefsFromCacheOnIO();
-
-  // Same as above, but fires an optional |completion| callback on the UI thread
-  // when finished. Virtual for testing.
-  virtual void UpdatePrefsFromCacheOnIO(const base::Closure& completion);
-
   // Update prefs::kHttpServerProperties preferences on UI thread. Executes an
   // optional |completion| callback when finished. Protected for testing.
   void UpdatePrefsOnUI(
       base::ListValue* spdy_server_list,
       net::SpdySettingsMap* spdy_settings_map,
       net::AlternateProtocolMap* alternate_protocol_map,
       const base::Closure& completion);
 
  private:
   void OnHttpServerPropertiesChanged();
 
-  // ---------
-  // UI thread
-  // ---------
+  // Helper method to invoke |UpdatePrefsOnUI| of |ui_weak_ptr| on the
+  // IO thread.
+  static void UpdatePrefsOnIO(
+      base::WeakPtr<HttpServerPropertiesManager> ui_weak_ptr,
+      base::ListValue* spdy_server_list,
+      net::SpdySettingsMap* spdy_settings_map,
+      net::AlternateProtocolMap* alternate_protocol_map,
+      const base::Closure& completion);
 
   // Used to get |weak_ptr_| to self on the UI thread.
   scoped_ptr<base::WeakPtrFactory<HttpServerPropertiesManager> >
       ui_weak_ptr_factory_;
 
   base::WeakPtr<HttpServerPropertiesManager> ui_weak_ptr_;
 
   // Used to post cache update tasks.
   scoped_ptr<base::OneShotTimer<HttpServerPropertiesManager> >
       ui_cache_update_timer_;
 
   // Used to track the spdy servers changes.
   PrefChangeRegistrar pref_change_registrar_;
   PrefService* pref_service_;  // Weak.
   bool setting_prefs_;
 
-  // ---------
-  // IO thread
-  // ---------
-
-  // Used to get |weak_ptr_| to self on the IO thread.
-  scoped_ptr<base::WeakPtrFactory<HttpServerPropertiesManager> >
-      io_weak_ptr_factory_;
-
-  // Used to post |prefs::kHttpServerProperties| pref update tasks.
-  scoped_ptr<base::OneShotTimer<HttpServerPropertiesManager> >
-      io_prefs_update_timer_;
-
-  scoped_ptr<net::HttpServerPropertiesImpl> http_server_properties_impl_;
+  scoped_ptr<ChromeHttpServerProperties> http_server_properties_impl_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpServerPropertiesManager);
 };
 
 }  // namespace chrome_browser_net
 
 #endif  // CHROME_BROWSER_NET_HTTP_SERVER_PROPERTIES_MANAGER_H_