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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 |
| 49 DISALLOW_COPY_AND_ASSIGN(FSPInternalsWebUIHandler); |
| 50 }; |
| 51 |
| 52 void FSPInternalsWebUIHandler::RegisterMessages() { |
| 53 web_ui()->RegisterMessageCallback( |
| 54 "updateFileSystems", |
| 55 base::Bind(&FSPInternalsWebUIHandler::OnUpdateFileSystems, |
| 56 weak_ptr_factory_.GetWeakPtr())); |
| 57 } |
| 58 |
| 59 file_system_provider::Service* FSPInternalsWebUIHandler::GetService() { |
| 60 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 61 |
| 62 Profile* const profile = Profile::FromWebUI(web_ui()); |
| 63 return file_system_provider::ServiceFactory::FindExisting(profile); |
| 64 } |
| 65 |
| 66 void FSPInternalsWebUIHandler::OnUpdateFileSystems( |
| 67 const base::ListValue* args) { |
| 68 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 69 |
| 70 file_system_provider::Service* const service = GetService(); |
| 71 if (!service) |
| 72 return; |
| 73 |
| 74 base::ListValue items; |
| 75 |
| 76 const std::vector<file_system_provider::ProvidedFileSystemInfo> |
| 77 file_system_info_list = service->GetProvidedFileSystemInfoList(); |
| 78 |
| 79 for (size_t i = 0; i < file_system_info_list.size(); ++i) { |
| 80 const file_system_provider::ProvidedFileSystemInfo file_system_info = |
| 81 file_system_info_list[i]; |
| 82 |
| 83 file_system_provider::ProvidedFileSystemInterface* const file_system = |
| 84 service->GetProvidedFileSystem(file_system_info.extension_id(), |
| 85 file_system_info.file_system_id()); |
| 86 DCHECK(file_system); |
| 87 |
| 88 file_system_provider::RequestManager* const request_manager = |
| 89 file_system->GetRequestManager(); |
| 90 DCHECK(request_manager); |
| 91 |
| 92 base::DictionaryValue* item_value = new base::DictionaryValue(); |
| 93 item_value->SetString("id", file_system_info.file_system_id()); |
| 94 item_value->SetString("name", file_system_info.file_system_name()); |
| 95 item_value->SetString("extensionId", file_system_info.extension_id()); |
| 96 item_value->SetString("mountPath", |
| 97 file_system_info.mount_path().AsUTF8Unsafe()); |
| 98 item_value->SetInteger("activeRequests", |
| 99 request_manager->GetActiveRequestsForLogging()); |
| 100 |
| 101 items.Append(item_value); |
| 102 } |
| 103 |
| 104 web_ui()->CallJavascriptFunction("updateFileSystems", items); |
| 105 } |
| 106 |
| 107 } // namespace |
| 108 |
| 109 FSPInternalsUI::FSPInternalsUI(content::WebUI* web_ui) |
| 110 : WebUIController(web_ui) { |
| 111 web_ui->AddMessageHandler(new FSPInternalsWebUIHandler()); |
| 112 |
| 113 content::WebUIDataSource* source = |
| 114 content::WebUIDataSource::Create(chrome::kChromeUIFSPInternalsHost); |
| 115 source->AddResourcePath("fsp_internals.css", IDR_FSP_INTERNALS_CSS); |
| 116 source->AddResourcePath("fsp_internals.js", IDR_FSP_INTERNALS_JS); |
| 117 source->SetDefaultResource(IDR_FSP_INTERNALS_HTML); |
| 118 |
| 119 Profile* profile = Profile::FromWebUI(web_ui); |
| 120 content::WebUIDataSource::Add(profile, source); |
| 121 } |
| 122 |
| 123 } // namespace chromeos |
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