1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef CHROME_BROWSER_UI_WEBUI_SYNC_FILE_SYSTEM_INTERNALS_SYNC_FILE_SYSTEM_INTERNALS_HANDLER_H_
6 #define CHROME_BROWSER_UI_WEBUI_SYNC_FILE_SYSTEM_INTERNALS_SYNC_FILE_SYSTEM_INTERNALS_HANDLER_H_
7 
8 #include <string>
9 
10 #include "base/compiler_specific.h"
11 #include "base/macros.h"
12 #include "chrome/browser/sync_file_system/sync_event_observer.h"
13 #include "chrome/browser/sync_file_system/task_logger.h"
14 #include "content/public/browser/web_ui_message_handler.h"
15 
16 class Profile;
17 
18 namespace syncfs_internals {
19 
20 // This class handles message from WebUI page of chrome://syncfs-internals/
21 // for the Sync Service tab. It corresponds to browser/resources/
22 // sync_file_system_internals/sync_service.html. All methods in this class
23 // should be called on UI thread.
24 class SyncFileSystemInternalsHandler
25     : public content::WebUIMessageHandler,
26       public sync_file_system::SyncEventObserver,
27       public sync_file_system::TaskLogger::Observer {
28  public:
29   explicit SyncFileSystemInternalsHandler(Profile* profile);
30   ~SyncFileSystemInternalsHandler() override;
31 
32   // content::WebUIMessageHandler implementation.
33   void RegisterMessages() override;
34 
35   // sync_file_system::SyncEventObserver interface implementation.
36   void OnSyncStateUpdated(const GURL& app_origin,
37                           sync_file_system::SyncServiceState state,
38                           const std::string& description) override;
39   void OnFileSynced(const storage::FileSystemURL& url,
40                     sync_file_system::SyncFileType file_type,
41                     sync_file_system::SyncFileStatus status,
42                     sync_file_system::SyncAction action,
43                     sync_file_system::SyncDirection direction) override;
44 
45   // sync_file_system::TaskLogger::Observer implementation.
46   void OnLogRecorded(
47       const sync_file_system::TaskLogger::TaskLog& task_log) override;
48 
49  private:
50   void GetServiceStatus(const base::ListValue* args);
51   void GetNotificationSource(const base::ListValue* args);
52   void GetLog(const base::ListValue* args);
53   void ClearLogs(const base::ListValue* args);
54   void ObserveTaskLog(const base::ListValue* args);
55 
56   Profile* profile_;
57   bool observing_task_log_;
58 
59   DISALLOW_COPY_AND_ASSIGN(SyncFileSystemInternalsHandler);
60 };
61 
62 }  // namespace syncfs_internals
63 
64 #endif  // CHROME_BROWSER_UI_WEBUI_SYNC_FILE_SYSTEM_INTERNALS_SYNC_FILE_SYSTEM_INTERNALS_HANDLER_H_
65