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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS2_OPTIONS_UI2_H_ | 5 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS2_OPTIONS_UI2_H_ |
6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS2_OPTIONS_UI2_H_ | 6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS2_OPTIONS_UI2_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/compiler_specific.h" | 12 #include "base/compiler_specific.h" |
13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
14 #include "chrome/browser/ui/webui/chrome_url_data_manager.h" | 14 #include "chrome/browser/ui/webui/chrome_url_data_manager.h" |
| 15 #include "chrome/browser/ui/webui/options/options_ui.h" |
15 #include "content/public/browser/notification_observer.h" | 16 #include "content/public/browser/notification_observer.h" |
16 #include "content/public/browser/notification_registrar.h" | 17 #include "content/public/browser/notification_registrar.h" |
17 #include "content/public/browser/notification_types.h" | 18 #include "content/public/browser/notification_types.h" |
18 #include "content/public/browser/web_ui_controller.h" | 19 #include "content/public/browser/web_ui_controller.h" |
19 #include "content/public/browser/web_ui_message_handler.h" | 20 #include "content/public/browser/web_ui_message_handler.h" |
20 | 21 |
21 namespace options2 { | 22 namespace options2 { |
22 | |
23 // The base class handler of Javascript messages of options pages. | |
24 class OptionsPageUIHandler : public content::WebUIMessageHandler, | |
25 public content::NotificationObserver { | |
26 public: | |
27 OptionsPageUIHandler(); | |
28 virtual ~OptionsPageUIHandler(); | |
29 | |
30 // Is this handler enabled? | |
31 virtual bool IsEnabled(); | |
32 | |
33 // Collects localized strings for options page. | |
34 virtual void GetLocalizedValues(base::DictionaryValue* localized_strings) = 0; | |
35 | |
36 // Initialize the page. Called once the DOM is available for manipulation. | |
37 // This will be called only once. | |
38 virtual void Initialize() {} | |
39 | |
40 // Uninitializes the page. Called just before the object is destructed. | |
41 virtual void Uninitialize() {} | |
42 | |
43 // WebUIMessageHandler implementation. | |
44 virtual void RegisterMessages() OVERRIDE {} | |
45 | |
46 // content::NotificationObserver implementation. | |
47 virtual void Observe(int type, | |
48 const content::NotificationSource& source, | |
49 const content::NotificationDetails& details) OVERRIDE {} | |
50 | |
51 protected: | |
52 struct OptionsStringResource { | |
53 // The name of the resource in templateData. | |
54 const char* name; | |
55 // The .grd ID for the resource (IDS_*). | |
56 int id; | |
57 }; | |
58 // A helper for simplifying the process of registering strings in WebUI. | |
59 static void RegisterStrings(base::DictionaryValue* localized_strings, | |
60 const OptionsStringResource* resources, | |
61 size_t length); | |
62 | |
63 // Registers string resources for a page's header and tab title. | |
64 static void RegisterTitle(base::DictionaryValue* localized_strings, | |
65 const std::string& variable_name, | |
66 int title_id); | |
67 | |
68 content::NotificationRegistrar registrar_; | |
69 | |
70 private: | |
71 DISALLOW_COPY_AND_ASSIGN(OptionsPageUIHandler); | |
72 }; | |
73 | |
74 // An interface for common operations that a host of OptionsPageUIHandlers | |
75 // should provide. | |
76 class OptionsPageUIHandlerHost { | |
77 public: | |
78 virtual void InitializeHandlers() = 0; | |
79 | |
80 protected: | |
81 virtual ~OptionsPageUIHandlerHost() {} | |
82 }; | |
83 | |
84 // The WebUI for chrome:settings-frame. | 23 // The WebUI for chrome:settings-frame. |
85 class OptionsUI : public content::WebUIController, | 24 class OptionsUI : public content::WebUIController, |
86 public OptionsPageUIHandlerHost { | 25 public OptionsPageUIHandlerHost { |
87 public: | 26 public: |
88 explicit OptionsUI(content::WebUI* web_ui); | 27 explicit OptionsUI(content::WebUI* web_ui); |
89 virtual ~OptionsUI(); | 28 virtual ~OptionsUI(); |
90 | 29 |
91 static RefCountedMemory* GetFaviconResourceBytes(); | 30 static RefCountedMemory* GetFaviconResourceBytes(); |
92 | 31 |
93 // WebUIController implementation. | 32 // WebUIController implementation. |
(...skipping 16 matching lines...) Expand all Loading... |
110 bool initialized_handlers_; | 49 bool initialized_handlers_; |
111 | 50 |
112 std::vector<OptionsPageUIHandler*> handlers_; | 51 std::vector<OptionsPageUIHandler*> handlers_; |
113 | 52 |
114 DISALLOW_COPY_AND_ASSIGN(OptionsUI); | 53 DISALLOW_COPY_AND_ASSIGN(OptionsUI); |
115 }; | 54 }; |
116 | 55 |
117 } // namespace options2 | 56 } // namespace options2 |
118 | 57 |
119 #endif // CHROME_BROWSER_UI_WEBUI_OPTIONS2_OPTIONS_UI2_H_ | 58 #endif // CHROME_BROWSER_UI_WEBUI_OPTIONS2_OPTIONS_UI2_H_ |
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