website_settings_handler.h revision 6e8cce623b6e4fe0c9e4af605d675dd9d0338c38 
1// Copyright 2014 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_OPTIONS_WEBSITE_SETTINGS_HANDLER_H_
6#define CHROME_BROWSER_UI_WEBUI_OPTIONS_WEBSITE_SETTINGS_HANDLER_H_
7
8#include <string>
9
10#include "base/basictypes.h"
11#include "base/macros.h"
12#include "base/scoped_observer.h"
13#include "chrome/browser/browsing_data/browsing_data_local_storage_helper.h"
14#include "chrome/browser/content_settings/content_settings_observer.h"
15#include "chrome/browser/content_settings/host_content_settings_map.h"
16#include "chrome/browser/content_settings/local_shared_objects_container.h"
17#include "chrome/browser/ui/webui/options/options_ui.h"
18
19namespace options {
20
21class WebsiteSettingsHandler : public content_settings::Observer,
22                               public OptionsPageUIHandler {
23 public:
24  WebsiteSettingsHandler();
25  virtual ~WebsiteSettingsHandler();
26
27  typedef std::list<BrowsingDataLocalStorageHelper::LocalStorageInfo>
28      LocalStorageList;
29
30  // OptionsPageUIHandler implementation.
31  virtual void GetLocalizedValues(
32      base::DictionaryValue* localized_strings) OVERRIDE;
33  virtual void InitializeHandler() OVERRIDE;
34  virtual void RegisterMessages() OVERRIDE;
35
36  // content_settings::Observer implementation.
37  virtual void OnContentSettingChanged(
38      const ContentSettingsPattern& primary_pattern,
39      const ContentSettingsPattern& secondary_pattern,
40      ContentSettingsType content_type,
41      std::string resource_identifier) OVERRIDE;
42
43 private:
44  // Update the page with all origins for a given content setting.
45  // |args| is the string name of the content setting.
46  void HandleUpdateOrigins(const base::ListValue* args);
47
48  // Update the page with all origins given a filter string.
49  // |args| is the filter string.
50  void HandleUpdateSearchResults(const base::ListValue* args);
51
52  // Update the page with all origins that are using local storage.
53  void HandleUpdateLocalStorage(const base::ListValue* args);
54
55  // Callback method to be invoked when fetching the data is complete.
56  void OnLocalStorageFetched(const LocalStorageList& storage);
57
58  // Get all origins with Content Settings for the last given content setting,
59  // filter them by |last_filter_|, and update the page.
60  void UpdateOrigins();
61
62  // Get all origins with local storage usage, filter them by |last_filter_|,
63  // and update the page.
64  void UpdateLocalStorage();
65
66  // Updates the page with the last settings used.
67  void Update();
68
69  std::string last_setting_;
70  std::string last_filter_;
71  scoped_refptr<BrowsingDataLocalStorageHelper> local_storage_;
72  LocalStorageList local_storage_list_;
73
74  // Observer to watch for content settings changes.
75  ScopedObserver<HostContentSettingsMap, content_settings::Observer> observer_;
76
77  base::WeakPtrFactory<WebsiteSettingsHandler> weak_ptr_factory_;
78
79  DISALLOW_COPY_AND_ASSIGN(WebsiteSettingsHandler);
80};
81
82}  // namespace options
83
84#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_WEBSITE_SETTINGS_HANDLER_H_
85