1// Copyright (c) 2011 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_QUOTA_INTERNALS_QUOTA_INTERNALS_HANDLER_H_
6#define CHROME_BROWSER_UI_WEBUI_QUOTA_INTERNALS_QUOTA_INTERNALS_HANDLER_H_
7
8#include <map>
9#include <string>
10#include <vector>
11
12#include "base/memory/ref_counted.h"
13#include "content/public/browser/web_ui_message_handler.h"
14#include "storage/common/quota/quota_types.h"
15
16namespace base {
17class Value;
18class ListValue;
19}
20
21namespace quota_internals {
22
23class QuotaInternalsProxy;
24class GlobalStorageInfo;
25class PerHostStorageInfo;
26class PerOriginStorageInfo;
27typedef std::map<std::string, std::string> Statistics;
28
29// This class handles message from WebUI page of chrome://quota-internals/.
30// All methods in this class should be called on UI thread.
31class QuotaInternalsHandler : public content::WebUIMessageHandler {
32 public:
33  QuotaInternalsHandler();
34  virtual ~QuotaInternalsHandler();
35  virtual void RegisterMessages() OVERRIDE;
36
37  // Called by QuotaInternalsProxy to report information to WebUI page.
38  void ReportAvailableSpace(int64 available_space);
39  void ReportGlobalInfo(const GlobalStorageInfo& data);
40  void ReportPerHostInfo(const std::vector<PerHostStorageInfo>& hosts);
41  void ReportPerOriginInfo(const std::vector<PerOriginStorageInfo>& origins);
42  void ReportStatistics(const Statistics& stats);
43
44 private:
45  void OnRequestInfo(const base::ListValue*);
46  void SendMessage(const std::string& message, const base::Value& value);
47
48  scoped_refptr<QuotaInternalsProxy> proxy_;
49
50  DISALLOW_COPY_AND_ASSIGN(QuotaInternalsHandler);
51};
52}  // namespace quota_internals
53
54#endif  // CHROME_BROWSER_UI_WEBUI_QUOTA_INTERNALS_QUOTA_INTERNALS_HANDLER_H_
55