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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 #include "chrome/browser/ui/webui/chromeos/fsp_internals_ui.h" | |
6 | |
7 #include "base/bind.h" | |
8 #include "base/memory/weak_ptr.h" | |
9 #include "base/values.h" | |
10 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_info .h" | |
11 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_inte rface.h" | |
12 #include "chrome/browser/chromeos/file_system_provider/request_manager.h" | |
13 #include "chrome/browser/chromeos/file_system_provider/service.h" | |
14 #include "chrome/browser/chromeos/file_system_provider/service_factory.h" | |
15 #include "chrome/browser/profiles/profile.h" | |
16 #include "chrome/common/url_constants.h" | |
17 #include "content/public/browser/browser_thread.h" | |
18 #include "content/public/browser/web_ui.h" | |
19 #include "content/public/browser/web_ui_data_source.h" | |
20 #include "content/public/browser/web_ui_message_handler.h" | |
21 #include "grit/browser_resources.h" | |
22 | |
23 using content::BrowserThread; | |
24 | |
25 namespace chromeos { | |
26 | |
27 namespace { | |
28 | |
29 // Class to handle messages from chrome://fsp-internals. | |
30 class FSPInternalsWebUIHandler : public content::WebUIMessageHandler { | |
31 public: | |
32 FSPInternalsWebUIHandler() : weak_ptr_factory_(this) {} | |
33 | |
34 virtual ~FSPInternalsWebUIHandler() {} | |
35 | |
36 private: | |
37 // content::WebUIMessageHandler overrides. | |
38 virtual void RegisterMessages() OVERRIDE; | |
39 | |
40 // Gets a file system provider service for the current profile. If not found, | |
41 // then NULL. | |
42 file_system_provider::Service* GetService(); | |
43 | |
44 // Invoked when updating file system list is requested. | |
45 void OnUpdateFileSystems(const base::ListValue* args); | |
46 | |
47 base::WeakPtrFactory<FSPInternalsWebUIHandler> weak_ptr_factory_; | |
48 DISALLOW_COPY_AND_ASSIGN(FSPInternalsWebUIHandler); | |
Nikita (slow)
2014/05/23 15:33:52
nit: Insert one empty line.
mtomasz
2014/05/26 00:34:31
Done.
| |
49 }; | |
50 | |
51 void FSPInternalsWebUIHandler::RegisterMessages() { | |
52 web_ui()->RegisterMessageCallback( | |
53 "updateFileSystems", | |
54 base::Bind(&FSPInternalsWebUIHandler::OnUpdateFileSystems, | |
55 weak_ptr_factory_.GetWeakPtr())); | |
56 } | |
57 | |
58 file_system_provider::Service* FSPInternalsWebUIHandler::GetService() { | |
59 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
60 | |
61 Profile* const profile = Profile::FromWebUI(web_ui()); | |
62 return file_system_provider::ServiceFactory::FindExisting(profile); | |
63 } | |
64 | |
65 void FSPInternalsWebUIHandler::OnUpdateFileSystems( | |
66 const base::ListValue* args) { | |
67 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
68 | |
69 file_system_provider::Service* const service = GetService(); | |
70 if (!service) | |
71 return; | |
72 | |
73 base::ListValue items; | |
74 | |
75 const std::vector<file_system_provider::ProvidedFileSystemInfo> | |
76 file_system_info_list = service->GetProvidedFileSystemInfoList(); | |
77 | |
78 for (size_t i = 0; i < file_system_info_list.size(); ++i) { | |
79 const file_system_provider::ProvidedFileSystemInfo file_system_info = | |
80 file_system_info_list[i]; | |
81 | |
82 file_system_provider::ProvidedFileSystemInterface* const file_system = | |
83 service->GetProvidedFileSystem(file_system_info.extension_id(), | |
84 file_system_info.file_system_id()); | |
85 DCHECK(file_system); | |
86 | |
87 file_system_provider::RequestManager* const request_manager = | |
88 file_system->GetRequestManager(); | |
89 DCHECK(request_manager); | |
90 | |
91 base::DictionaryValue* item_value = new base::DictionaryValue(); | |
92 item_value->SetString("id", file_system_info.file_system_id()); | |
93 item_value->SetString("name", file_system_info.file_system_name()); | |
94 item_value->SetString("extensionId", file_system_info.extension_id()); | |
95 item_value->SetString("mountPath", | |
96 file_system_info.mount_path().AsUTF8Unsafe()); | |
97 item_value->SetInteger("activeRequests", | |
98 request_manager->GetActiveRequestsForLogging()); | |
99 | |
100 items.Append(item_value); | |
101 } | |
102 | |
103 web_ui()->CallJavascriptFunction("updateFileSystems", items); | |
104 } | |
105 | |
106 } // namespace | |
107 | |
108 FSPInternalsUI::FSPInternalsUI(content::WebUI* web_ui) | |
109 : WebUIController(web_ui) { | |
110 web_ui->AddMessageHandler(new FSPInternalsWebUIHandler()); | |
111 | |
112 content::WebUIDataSource* source = | |
113 content::WebUIDataSource::Create(chrome::kChromeUIFSPInternalsHost); | |
114 source->AddResourcePath("fsp_internals.css", IDR_FSP_INTERNALS_CSS); | |
115 source->AddResourcePath("fsp_internals.js", IDR_FSP_INTERNALS_JS); | |
116 source->SetDefaultResource(IDR_FSP_INTERNALS_HTML); | |
117 | |
118 Profile* profile = Profile::FromWebUI(web_ui); | |
119 content::WebUIDataSource::Add(profile, source); | |
120 } | |
121 | |
122 } // namespace chromeos | |
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