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
3 // found in the LICENSE file.
4
5 #include "chrome/browser/ui/webui/chromeos/login/login_ui.h"
6
7 #include "base/memory/ref_counted_memory.h"
8 #include "base/memory/singleton.h"
9 #include "base/string_piece.h"
10 #include "base/values.h"
11 #include "chrome/browser/chromeos/cros/cros_library.h"
12 #include "chrome/browser/chromeos/cros/power_library.h"
13 #include "chrome/browser/chromeos/login/dom_login_display.h"
14 #include "chrome/browser/profiles/profile.h"
15 #include "chrome/browser/ui/browser.h"
16 #include "chrome/browser/ui/browser_window.h"
17 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
18 #include "chrome/browser/ui/webui/chromeos/login/login_ui_helpers.h"
19 #include "chrome/common/url_constants.h"
20 #include "content/browser/browser_thread.h"
21 #include "content/browser/tab_contents/tab_contents.h"
22
23 namespace {
24 const char* kResetPrompt = "resetPrompt";
25 } // namespace
26
27 namespace chromeos {
28
29 // LoginUIHTMLSource, public: --------------------------------------------------
30
LoginUIHTMLSource(MessageLoop * message_loop)31 LoginUIHTMLSource::LoginUIHTMLSource(MessageLoop* message_loop)
32 : DataSource(chrome::kChromeUILoginHost, message_loop),
33 html_operations_(new HTMLOperationsInterface()) {
34 }
35
StartDataRequest(const std::string & path,bool is_incognito,int request_id)36 void LoginUIHTMLSource::StartDataRequest(const std::string& path,
37 bool is_incognito,
38 int request_id) {
39 DictionaryValue localized_strings;
40 SetFontAndTextDirection(&localized_strings);
41
42 base::StringPiece login_html = html_operations_->GetLoginHTML();
43 std::string full_html = html_operations_->GetFullHTML(login_html,
44 &localized_strings);
45 scoped_refptr<RefCountedBytes> html_bytes(
46 html_operations_->CreateHTMLBytes(full_html));
47 SendResponse(request_id,
48 (html_bytes.get()));
49 }
50
GetMimeType(const std::string &) const51 std::string LoginUIHTMLSource::GetMimeType(const std::string&) const {
52 return "text/html";
53 }
54
55 // LoginUIHandlerDelegate, protected: ------------------------------------------
56
~LoginUIHandlerDelegate()57 LoginUIHandlerDelegate::~LoginUIHandlerDelegate() {}
58
59 // LoginUIHandler, public: -----------------------------------------------------
60
LoginUIHandler()61 LoginUIHandler::LoginUIHandler() {
62 delegate_ = DOMLoginDisplay::GetInstance();
63 delegate_->set_login_handler(this);
64 }
65
Attach(WebUI * web_ui)66 WebUIMessageHandler* LoginUIHandler::Attach(WebUI* web_ui) {
67 return WebUIMessageHandler::Attach(web_ui);
68 }
69
RegisterMessages()70 void LoginUIHandler::RegisterMessages() {
71 web_ui_->RegisterMessageCallback(
72 "LaunchIncognito",
73 NewCallback(this,
74 &LoginUIHandler::HandleLaunchIncognito));
75 web_ui_->RegisterMessageCallback(
76 "AuthenticateUser",
77 NewCallback(this,
78 &LoginUIHandler::HandleAuthenticateUser));
79 web_ui_->RegisterMessageCallback(
80 "ShutdownSystem",
81 NewCallback(this,
82 &LoginUIHandler::HandleShutdownSystem));
83 }
84
HandleAuthenticateUser(const ListValue * args)85 void LoginUIHandler::HandleAuthenticateUser(const ListValue* args) {
86 std::string username;
87 std::string password;
88 size_t expected_size = 2;
89 CHECK_EQ(args->GetSize(), expected_size);
90 args->GetString(0, &username);
91 args->GetString(1, &password);
92 delegate_->Login(username, password);
93 }
94
HandleLaunchIncognito(const ListValue * args)95 void LoginUIHandler::HandleLaunchIncognito(const ListValue* args) {
96 delegate_->LoginAsGuest();
97 }
98
HandleShutdownSystem(const ListValue * args)99 void LoginUIHandler::HandleShutdownSystem(const ListValue* args) {
100 DCHECK(CrosLibrary::Get()->EnsureLoaded());
101 CrosLibrary::Get()->GetPowerLibrary()->RequestShutdown();
102 }
103
ClearAndEnablePassword()104 void LoginUIHandler::ClearAndEnablePassword() {
105 web_ui_->CallJavascriptFunction(kResetPrompt);
106 }
107
108
109 // LoginUI, public: ------------------------------------------------------------
110
LoginUI(TabContents * contents)111 LoginUI::LoginUI(TabContents* contents)
112 : WebUI(contents) {
113 LoginUIHandler* handler = new LoginUIHandler();
114 AddMessageHandler(handler->Attach(this));
115 LoginUIHTMLSource* html_source =
116 new LoginUIHTMLSource(MessageLoop::current());
117
118 contents->profile()->GetChromeURLDataManager()->AddDataSource(html_source);
119 }
120
121 } // namespace chromeos
122