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/proxy_settings_ui.h"
6
7#include "base/memory/scoped_ptr.h"
8#include "base/message_loop.h"
9#include "base/values.h"
10#include "chrome/browser/profiles/profile.h"
11#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
12#include "chrome/browser/ui/webui/options/chromeos/core_chromeos_options_handler.h"
13#include "chrome/browser/ui/webui/options/chromeos/proxy_handler.h"
14#include "chrome/common/jstemplate_builder.h"
15#include "chrome/common/url_constants.h"
16#include "content/browser/tab_contents/tab_contents.h"
17#include "grit/browser_resources.h"
18#include "ui/base/resource/resource_bundle.h"
19
20namespace {
21
22class ProxySettingsHTMLSource : public ChromeURLDataManager::DataSource {
23 public:
24  explicit ProxySettingsHTMLSource(DictionaryValue* localized_strings);
25
26  // Called when the network layer has requested a resource underneath
27  // the path we registered.
28  virtual void StartDataRequest(const std::string& path,
29                                bool is_incognito,
30                                int request_id);
31  virtual std::string GetMimeType(const std::string&) const {
32    return "text/html";
33  }
34
35 private:
36  scoped_ptr<DictionaryValue> localized_strings_;
37
38  DISALLOW_COPY_AND_ASSIGN(ProxySettingsHTMLSource);
39};
40
41ProxySettingsHTMLSource::ProxySettingsHTMLSource(
42    DictionaryValue* localized_strings)
43    : DataSource(chrome::kChromeUIProxySettingsHost, MessageLoop::current()),
44      localized_strings_(localized_strings) {
45}
46
47void ProxySettingsHTMLSource::StartDataRequest(const std::string& path,
48                                               bool is_incognito,
49                                               int request_id) {
50  SetFontAndTextDirection(localized_strings_.get());
51
52  static const base::StringPiece html(
53      ResourceBundle::GetSharedInstance().GetRawDataResource(
54          IDR_PROXY_SETTINGS_HTML));
55  const std::string full_html = jstemplate_builder::GetI18nTemplateHtml(
56      html, localized_strings_.get());
57
58  scoped_refptr<RefCountedBytes> html_bytes(new RefCountedBytes);
59  html_bytes->data.resize(full_html.size());
60  std::copy(full_html.begin(), full_html.end(), html_bytes->data.begin());
61
62  SendResponse(request_id, html_bytes);
63}
64
65}  // namespace
66
67namespace chromeos {
68
69ProxySettingsUI::ProxySettingsUI(TabContents* contents) : WebUI(contents) {
70  // |localized_strings| will be owned by ProxySettingsHTMLSource.
71  DictionaryValue* localized_strings = new DictionaryValue();
72
73  CoreChromeOSOptionsHandler* core_handler = new CoreChromeOSOptionsHandler();
74  core_handler->set_handlers_host(this);
75  core_handler->GetLocalizedValues(localized_strings);
76  AddMessageHandler(core_handler->Attach(this));
77
78  OptionsPageUIHandler* proxy_handler = new ProxyHandler();
79  proxy_handler->GetLocalizedValues(localized_strings);
80  AddMessageHandler(proxy_handler->Attach(this));
81
82  ProxySettingsHTMLSource* source =
83      new ProxySettingsHTMLSource(localized_strings);
84  contents->profile()->GetChromeURLDataManager()->AddDataSource(source);
85}
86
87ProxySettingsUI::~ProxySettingsUI() {
88  // Uninitialize all registered handlers. The base class owns them and it will
89  // eventually delete them. Skip over the generic handler.
90  for (std::vector<WebUIMessageHandler*>::iterator iter = handlers_.begin() + 1;
91       iter != handlers_.end();
92       ++iter) {
93    static_cast<OptionsPageUIHandler*>(*iter)->Uninitialize();
94  }
95}
96
97void ProxySettingsUI::InitializeHandlers() {
98  std::vector<WebUIMessageHandler*>::iterator iter;
99  // Skip over the generic handler.
100  for (iter = handlers_.begin() + 1; iter != handlers_.end(); ++iter) {
101    (static_cast<OptionsPageUIHandler*>(*iter))->Initialize();
102  }
103}
104
105}  // namespace chromeos
106