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1 // Copyright 2016 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_PLUGINS_PLUGINS_HANDLER_H_ | |
6 #define CHROME_BROWSER_UI_WEBUI_PLUGINS_PLUGINS_HANDLER_H_ | |
7 | |
8 #include "base/memory/weak_ptr.h" | |
9 #include "base/values.h" | |
10 #include "chrome/browser/ui/webui/mojo_web_ui_handler.h" | |
11 #include "chrome/browser/ui/webui/plugins/plugins.mojom.h" | |
12 #include "components/prefs/pref_member.h" | |
13 #include "content/public/browser/notification_observer.h" | |
14 #include "content/public/browser/notification_registrar.h" | |
15 #include "content/public/browser/notification_source.h" | |
16 #include "content/public/browser/web_ui_message_handler.h" | |
17 #include "content/public/common/webplugininfo.h" | |
18 #include "mojo/public/cpp/bindings/binding.h" | |
19 | |
20 class PluginsPageHandler : public MojoWebUIHandler, | |
21 public mojom::PluginsPageHandler, | |
22 public content::NotificationObserver { | |
23 public: | |
24 PluginsPageHandler(content::WebUI* web_ui, | |
25 mojo::InterfaceRequest<mojom::PluginsPageHandler> request); | |
26 ~PluginsPageHandler() override; | |
27 | |
28 // mojom::PluginsPageHandler overrides: | |
29 void GetPluginsData(const GetPluginsDataCallback& callback) override; | |
30 void GetShowDetails(const GetShowDetailsCallback& callback) override; | |
31 void SaveShowDetailsToPrefs(bool details_mode) override; | |
32 void SetPluginAlwaysAllowed(const std::string& plugin, bool allowed) override; | |
33 void SetClientPage(mojom::PluginsPagePtr page) override; | |
34 | |
35 // content::NotificationObserver implementation. | |
36 void Observe(int type, | |
37 const content::NotificationSource& source, | |
38 const content::NotificationDetails& details) override; | |
39 | |
40 private: | |
41 std::vector<mojom::PluginDataPtr> GeneratePluginsData( | |
42 const std::vector<content::WebPluginInfo>& plugins); | |
43 | |
44 mojom::PluginFilePtr GeneratePluginFile(const content::WebPluginInfo& plugin, | |
45 const base::string16& group_name, | |
46 bool plugin_enabled) const; | |
47 | |
48 // Detect a plugin's enabled mode (one of enabledByUser, disabledByUser, | |
49 // enabledByPolicy, disabledByPolicy). | |
50 std::string GetPluginEnabledMode(const base::string16& plugin_name, | |
51 const base::string16& group_name, | |
52 bool plugin_enabled) const; | |
53 | |
54 // Returns whether the policy for the current profile is "Click To Play" i.e. | |
55 // DefaultPluginsSetting is 3 (ASK). | |
56 bool GetClickToPlayPolicyEnabled() const; | |
57 | |
58 // Detect a plugin group's enabled mode (one of enabledByUser, disabledByUser, | |
59 // enabledByPolicy, disabledByPolicy, managedByPolicy). | |
60 std::string GetPluginGroupEnabledMode( | |
61 const std::vector<mojom::PluginFilePtr>& plugin_files, | |
62 bool group_enabled) const; | |
63 | |
64 // Called on the UI thread when the plugin info requested fom GetPluginsData | |
65 // is ready. | |
66 void RespondWithPluginsData( | |
67 const GetPluginsDataCallback& callback, | |
68 const std::vector<content::WebPluginInfo>& plugins); | |
69 | |
70 // Called on the UI thread when the plugin info has changed and calls the page | |
71 // to update it. | |
72 void NotifyWithPluginsData( | |
73 const std::vector<content::WebPluginInfo>& plugins); | |
74 | |
75 content::NotificationRegistrar registrar_; | |
76 | |
77 // This pref guards the value whether about:plugins is in the details mode or | |
78 // not. | |
79 BooleanPrefMember show_details_; | |
80 | |
81 // Owned by RenderFrameHostImpl. | |
82 content::WebUI* web_ui_; | |
83 | |
84 mojo::Binding<mojom::PluginsPageHandler> binding_; | |
85 | |
86 // Handle back to the page by which JS methods can be called. | |
87 mojom::PluginsPagePtr page_; | |
88 | |
89 base::WeakPtrFactory<PluginsPageHandler> weak_ptr_factory_; | |
90 | |
91 DISALLOW_COPY_AND_ASSIGN(PluginsPageHandler); | |
92 }; | |
93 | |
94 #endif // CHROME_BROWSER_UI_WEBUI_PLUGINS_PLUGINS_HANDLER_H_ | |
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