src/chrome/browser/chromeos/login/merge_session_load_page.cc

   1 // Copyright (c) 2013 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/chromeos/login/merge_session_load_page.h"
   6
   7 #include "ash/shell.h"
   8 #include "ash/shell_delegate.h"
   9 #include "ash/system/tray/system_tray_delegate.h"
  10 #include "base/i18n/rtl.h"
  11 #include "base/metrics/histogram.h"
  12 #include "base/strings/string_piece.h"
  13 #include "base/strings/stringprintf.h"
  14 #include "base/strings/utf_string_conversions.h"
  15 #include "base/values.h"
  16 #include "chrome/browser/chrome_notification_types.h"
  17 #include "chrome/browser/chromeos/login/oauth2_login_manager_factory.h"
  18 #include "chrome/browser/extensions/extension_service.h"
  19 #include "chrome/browser/extensions/extension_system.h"
  20 #include "chrome/browser/profiles/profile.h"
  21 #include "chrome/browser/renderer_preferences_util.h"
  22 #include "chrome/browser/tab_contents/tab_util.h"
  23 #include "chrome/common/extensions/extension.h"
  24 #include "chrome/common/extensions/extension_constants.h"
  25 #include "chrome/common/extensions/extension_icon_set.h"
  26 #include "chrome/common/url_constants.h"
  27 #include "content/public/browser/browser_thread.h"
  28 #include "content/public/browser/interstitial_page.h"
  29 #include "content/public/browser/notification_types.h"
  30 #include "content/public/browser/web_contents.h"
  31 #include "grit/browser_resources.h"
  32 #include "grit/generated_resources.h"
  33 #include "net/base/escape.h"
  34 #include "ui/base/l10n/l10n_util.h"
  35 #include "ui/base/resource/resource_bundle.h"
  36 #include "ui/base/webui/jstemplate_builder.h"
  37
  38 using content::BrowserThread;
  39 using content::InterstitialPage;
  40 using content::WebContents;
  41
  42 namespace {
  43
  44 // Delay time for showing interstitial page.
  45 const int kShowDelayTimeMS = 1000;
  46
  47 // Maximum time for showing interstitial page.
  48 const int kTotalWaitTimeMS = 10000;
  49
  50 }  // namespace
  51
  52 namespace chromeos {
  53
  54 MergeSessionLoadPage::MergeSessionLoadPage(WebContents* web_contents,
  55                                            const GURL& url,
  56                                            const CompletionCallback& callback)
  57     : callback_(callback),
  58       proceeded_(false),
  59       web_contents_(web_contents),
  60       url_(url) {
  61   interstitial_page_ = InterstitialPage::Create(web_contents, true, url, this);
  62 }
  63
  64 MergeSessionLoadPage::~MergeSessionLoadPage() {
  65   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  66 }
  67
  68 void MergeSessionLoadPage::Show() {
  69   OAuth2LoginManager* manager = GetOAuth2LoginManager();
  70   if (manager && manager->ShouldBlockTabLoading()) {
  71     manager->AddObserver(this);
  72     interstitial_page_->Show();
  73   } else {
  74     interstitial_page_->Proceed();
  75   }
  76 }
  77
  78 std::string MergeSessionLoadPage::GetHTMLContents() {
  79   DictionaryValue strings;
  80   strings.SetString("title", web_contents_->GetTitle());
  81   // Set the timeout to show the page.
  82   strings.SetInteger("show_delay_time", kShowDelayTimeMS);
  83   strings.SetInteger("total_wait_time", kTotalWaitTimeMS);
  84   // TODO(zelidrag): Flip the message to IDS_MERGE_SESSION_LOAD_HEADLINE
  85   // after merge.
  86   strings.SetString("heading",
  87                     l10n_util::GetStringUTF16(IDS_TAB_LOADING_TITLE));
  88
  89   bool rtl = base::i18n::IsRTL();
  90   strings.SetString("textdirection", rtl ? "rtl" : "ltr");
  91
  92   base::StringPiece html(
  93       ResourceBundle::GetSharedInstance().GetRawDataResource(
  94           IDR_MERGE_SESSION_LOAD_HTML));
  95   return webui::GetI18nTemplateHtml(html, &strings);
  96 }
  97
  98 void MergeSessionLoadPage::OverrideRendererPrefs(
  99       content::RendererPreferences* prefs) {
 100   Profile* profile = Profile::FromBrowserContext(
 101       web_contents_->GetBrowserContext());
 102   renderer_preferences_util::UpdateFromSystemSettings(prefs, profile);
 103 }
 104
 105 void MergeSessionLoadPage::OnProceed() {
 106   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 107   proceeded_ = true;
 108   NotifyBlockingPageComplete();
 109 }
 110
 111 void MergeSessionLoadPage::OnDontProceed() {
 112   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 113   // Ignore if it's already proceeded.
 114   if (proceeded_)
 115     return;
 116   NotifyBlockingPageComplete();
 117 }
 118
 119 void MergeSessionLoadPage::CommandReceived(const std::string& cmd) {
 120   std::string command(cmd);
 121   // The Jasonified response has quotes, remove them.
 122   if (command.length() > 1 && command[0] == '"')
 123     command = command.substr(1, command.length() - 2);
 124
 125   if (command == "proceed") {
 126     interstitial_page_->Proceed();
 127   } else {
 128     DVLOG(1) << "Unknown command:" << cmd;
 129   }
 130 }
 131
 132 void MergeSessionLoadPage::NotifyBlockingPageComplete() {
 133   OAuth2LoginManager* manager = GetOAuth2LoginManager();
 134   if (manager)
 135     manager->RemoveObserver(this);
 136
 137   if (!callback_.is_null()) {
 138     BrowserThread::PostTask(
 139         BrowserThread::IO, FROM_HERE, callback_);
 140   }
 141 }
 142
 143 OAuth2LoginManager* MergeSessionLoadPage::GetOAuth2LoginManager() {
 144   content::BrowserContext* browser_context = web_contents_->GetBrowserContext();
 145   if (!browser_context)
 146     return NULL;
 147
 148   Profile* profile = Profile::FromBrowserContext(browser_context);
 149   if (!profile)
 150     return NULL;
 151
 152   return OAuth2LoginManagerFactory::GetInstance()->GetForProfile(profile);
 153 }
 154
 155 void MergeSessionLoadPage::OnSessionRestoreStateChanged(
 156     Profile* user_profile, OAuth2LoginManager::SessionRestoreState state) {
 157   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 158
 159   OAuth2LoginManager* manager = GetOAuth2LoginManager();
 160   DVLOG(1) << "Merge session should "
 161            << (!manager->ShouldBlockTabLoading() ?
 162                   " NOT " : "")
 163            << " be blocking now, "
 164            << state;
 165   if (!manager->ShouldBlockTabLoading()) {
 166     manager->RemoveObserver(this);
 167     interstitial_page_->Proceed();
 168   }
 169 }
 170
 171 }  // namespace chromeos