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1 // Copyright (c) 2012 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_BROWSER_OPTIONS_HANDLER_H_ | |
6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_BROWSER_OPTIONS_HANDLER_H_ | |
7 #pragma once | |
8 | |
9 #include "base/memory/ref_counted.h" | |
10 #include "base/memory/scoped_ptr.h" | |
11 #include "base/memory/weak_ptr.h" | |
12 #include "chrome/browser/autocomplete/autocomplete_controller_delegate.h" | |
13 #include "chrome/browser/prefs/pref_change_registrar.h" | |
14 #include "chrome/browser/prefs/pref_member.h" | |
15 #include "chrome/browser/search_engines/template_url_service_observer.h" | |
16 #include "chrome/browser/shell_integration.h" | |
17 #include "chrome/browser/ui/webui/options/options_ui.h" | |
18 #include "ui/base/models/table_model_observer.h" | |
19 | |
20 class AutocompleteController; | |
21 class CustomHomePagesTableModel; | |
22 class TemplateURLService; | |
23 | |
24 // Chrome browser options page UI handler. | |
25 class BrowserOptionsHandler : public OptionsPageUIHandler, | |
26 public AutocompleteControllerDelegate, | |
27 public ShellIntegration::DefaultWebClientObserver, | |
28 public TemplateURLServiceObserver, | |
29 public ui::TableModelObserver { | |
30 public: | |
31 BrowserOptionsHandler(); | |
32 virtual ~BrowserOptionsHandler(); | |
33 | |
34 virtual void InitializeHandler() OVERRIDE; | |
35 | |
36 // OptionsPageUIHandler implementation. | |
37 virtual void GetLocalizedValues(DictionaryValue* localized_strings) OVERRIDE; | |
38 virtual void RegisterMessages() OVERRIDE; | |
39 | |
40 // AutocompleteControllerDelegate implementation. | |
41 virtual void OnResultChanged(bool default_match_changed) OVERRIDE; | |
42 | |
43 // ShellIntegration::DefaultWebClientObserver implementation. | |
44 virtual void SetDefaultWebClientUIState( | |
45 ShellIntegration::DefaultWebClientUIState state) OVERRIDE; | |
46 | |
47 // TemplateURLServiceObserver implementation. | |
48 virtual void OnTemplateURLServiceChanged() OVERRIDE; | |
49 | |
50 // ui::TableModelObserver implementation. | |
51 virtual void OnModelChanged() OVERRIDE; | |
52 virtual void OnItemsChanged(int start, int length) OVERRIDE; | |
53 virtual void OnItemsAdded(int start, int length) OVERRIDE; | |
54 virtual void OnItemsRemoved(int start, int length) OVERRIDE; | |
55 | |
56 private: | |
57 // content::NotificationObserver implementation. | |
58 virtual void Observe(int type, | |
59 const content::NotificationSource& source, | |
60 const content::NotificationDetails& details) OVERRIDE; | |
61 | |
62 // Makes this the default browser. Called from WebUI. | |
63 void BecomeDefaultBrowser(const ListValue* args); | |
64 | |
65 // Sets the search engine at the given index to be default. Called from WebUI. | |
66 void SetDefaultSearchEngine(const ListValue* args); | |
67 | |
68 // Removes the startup page at the given indexes. Called from WebUI. | |
69 void RemoveStartupPages(const ListValue* args); | |
70 | |
71 // Adds a startup page with the given URL after the given index. | |
72 // Called from WebUI. | |
73 void AddStartupPage(const ListValue* args); | |
74 | |
75 // Changes the startup page at the given index to the given URL. | |
76 // Called from WebUI. | |
77 void EditStartupPage(const ListValue* args); | |
78 | |
79 // Sets the startup page set to the current pages. Called from WebUI. | |
80 void SetStartupPagesToCurrentPages(const ListValue* args); | |
81 | |
82 // Writes the current set of startup pages to prefs. Called from WebUI. | |
83 void DragDropStartupPage(const ListValue* args); | |
84 | |
85 // Gets autocomplete suggestions asychronously for the given string. | |
86 // Called from WebUI. | |
87 void RequestAutocompleteSuggestions(const ListValue* args); | |
88 | |
89 // Enables/disables Instant. | |
90 void EnableInstant(const ListValue* args); | |
91 void DisableInstant(const ListValue* args); | |
92 | |
93 // Enables/disables auto-launching of Chrome on computer startup. | |
94 void ToggleAutoLaunch(const ListValue* args); | |
95 | |
96 // Checks (on the file thread) whether the user is in the auto-launch trial | |
97 // and whether Chrome is set to auto-launch at login. Gets a reply on the UI | |
98 // thread (see CheckAutoLaunchCallback). A weak pointer to this is passed in | |
99 // as a parameter to avoid the need to lock between this function and the | |
100 // destructor. |profile_path| is the full path to the current profile. | |
101 void CheckAutoLaunch(base::WeakPtr<BrowserOptionsHandler> weak_this, | |
102 const FilePath& profile_path); | |
103 | |
104 // Sets up (on the UI thread) the necessary bindings for toggling auto-launch | |
105 // (if the user is part of the auto-launch and makes sure the HTML UI knows | |
106 // whether Chrome will auto-launch at login. | |
107 void CheckAutoLaunchCallback(bool is_in_auto_launch_group, | |
108 bool will_launch_at_login); | |
109 | |
110 // Called to request information about the Instant field trial. | |
111 void GetInstantFieldTrialStatus(const ListValue* args); | |
112 | |
113 // Returns the string ID for the given default browser state. | |
114 int StatusStringIdForState(ShellIntegration::DefaultWebClientState state); | |
115 | |
116 // Gets the current default browser state, and asynchronously reports it to | |
117 // the WebUI page. | |
118 void UpdateDefaultBrowserState(); | |
119 | |
120 // Updates the UI with the given state for the default browser. | |
121 void SetDefaultBrowserUIString(int status_string_id); | |
122 | |
123 // Loads the current set of custom startup pages and reports it to the WebUI. | |
124 void UpdateStartupPages(); | |
125 | |
126 // Loads the possible default search engine list and reports it to the WebUI. | |
127 void UpdateSearchEngines(); | |
128 | |
129 // Writes the current set of startup pages to prefs. | |
130 void SaveStartupPagesPref(); | |
131 | |
132 scoped_refptr<ShellIntegration::DefaultBrowserWorker> | |
133 default_browser_worker_; | |
134 | |
135 StringPrefMember homepage_; | |
136 BooleanPrefMember default_browser_policy_; | |
137 | |
138 // Used to observe updates to the preference of the list of URLs to load | |
139 // on startup, which can be updated via sync. | |
140 PrefChangeRegistrar pref_change_registrar_; | |
141 | |
142 TemplateURLService* template_url_service_; // Weak. | |
143 | |
144 // TODO(stuartmorgan): Once there are no other clients of | |
145 // CustomHomePagesTableModel, consider changing it to something more like | |
146 // TemplateURLService. | |
147 scoped_ptr<CustomHomePagesTableModel> startup_custom_pages_table_model_; | |
148 | |
149 scoped_ptr<AutocompleteController> autocomplete_controller_; | |
150 | |
151 // Used to get |weak_ptr_| to self for use on the File thread. | |
152 base::WeakPtrFactory<BrowserOptionsHandler> weak_ptr_factory_for_file_; | |
153 // Used to post update tasks to the UI thread. | |
154 base::WeakPtrFactory<BrowserOptionsHandler> weak_ptr_factory_for_ui_; | |
155 | |
156 DISALLOW_COPY_AND_ASSIGN(BrowserOptionsHandler); | |
157 }; | |
158 | |
159 #endif // CHROME_BROWSER_UI_WEBUI_OPTIONS_BROWSER_OPTIONS_HANDLER_H_ | |
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