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

   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/chromeos/login/signin/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/signin/oauth2_login_manager_factory.h"
  18 #include "chrome/browser/extensions/extension_service.h"
  19 #include "chrome/browser/profiles/profile.h"
  20 #include "chrome/browser/renderer_preferences_util.h"
  21 #include "chrome/browser/tab_contents/tab_util.h"
  22 #include "chrome/browser/ui/zoom/zoom_controller.h"
  23 #include "chrome/common/extensions/extension_constants.h"
  24 #include "chrome/common/url_constants.h"
  25 #include "chrome/grit/browser_resources.h"
  26 #include "chrome/grit/generated_resources.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 "extensions/browser/extension_system.h"
  32 #include "extensions/common/extension.h"
  33 #include "extensions/common/extension_icon_set.h"
  34 #include "net/base/escape.h"
  35 #include "ui/base/l10n/l10n_util.h"
  36 #include "ui/base/resource/resource_bundle.h"
  37 #include "ui/base/webui/jstemplate_builder.h"
  38
  39 using content::BrowserThread;
  40 using content::InterstitialPage;
  41 using content::WebContents;
  42
  43 namespace {
  44
  45 // Delay time for showing interstitial page.
  46 const int kShowDelayTimeMS = 1000;
  47
  48 // Maximum time for showing interstitial page.
  49 const int kTotalWaitTimeMS = 10000;
  50
  51 }  // namespace
  52
  53 namespace chromeos {
  54
  55 MergeSessionLoadPage::MergeSessionLoadPage(
  56     WebContents* web_contents,
  57     const GURL& url,
  58     const MergeSessionThrottle::CompletionCallback& callback)
  59     : callback_(callback),
  60       proceeded_(false),
  61       web_contents_(web_contents),
  62       url_(url) {
  63   interstitial_page_ = InterstitialPage::Create(web_contents, true, url, this);
  64 }
  65
  66 MergeSessionLoadPage::~MergeSessionLoadPage() {
  67   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  68 }
  69
  70 void MergeSessionLoadPage::Show() {
  71   OAuth2LoginManager* manager = GetOAuth2LoginManager();
  72   if (manager && manager->ShouldBlockTabLoading()) {
  73     manager->AddObserver(this);
  74     interstitial_page_->Show();
  75   } else {
  76     interstitial_page_->Proceed();
  77   }
  78 }
  79
  80 std::string MergeSessionLoadPage::GetHTMLContents() {
  81   base::DictionaryValue strings;
  82   strings.SetString("title", web_contents_->GetTitle());
  83   // Set the timeout to show the page.
  84   strings.SetInteger("show_delay_time", kShowDelayTimeMS);
  85   strings.SetInteger("total_wait_time", kTotalWaitTimeMS);
  86   // TODO(zelidrag): Flip the message to IDS_MERGE_SESSION_LOAD_HEADLINE
  87   // after merge.
  88   strings.SetString("heading",
  89                     l10n_util::GetStringUTF16(IDS_TAB_LOADING_TITLE));
  90
  91   bool rtl = base::i18n::IsRTL();
  92   strings.SetString("textdirection", rtl ? "rtl" : "ltr");
  93
  94   base::StringPiece html(
  95       ResourceBundle::GetSharedInstance().GetRawDataResource(
  96           IDR_MERGE_SESSION_LOAD_HTML));
  97   return webui::GetI18nTemplateHtml(html, &strings);
  98 }
  99
 100 void MergeSessionLoadPage::OverrideRendererPrefs(
 101       content::RendererPreferences* prefs) {
 102   Profile* profile = Profile::FromBrowserContext(
 103       web_contents_->GetBrowserContext());
 104   renderer_preferences_util::UpdateFromSystemSettings(
 105       prefs, profile, web_contents_);
 106 }
 107
 108 void MergeSessionLoadPage::OnProceed() {
 109   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 110   proceeded_ = true;
 111   NotifyBlockingPageComplete();
 112 }
 113
 114 void MergeSessionLoadPage::OnDontProceed() {
 115   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 116   // Ignore if it's already proceeded.
 117   if (proceeded_)
 118     return;
 119   NotifyBlockingPageComplete();
 120 }
 121
 122 void MergeSessionLoadPage::CommandReceived(const std::string& cmd) {
 123   std::string command(cmd);
 124   // The Jasonified response has quotes, remove them.
 125   if (command.length() > 1 && command[0] == '"')
 126     command = command.substr(1, command.length() - 2);
 127
 128   if (command == "proceed") {
 129     interstitial_page_->Proceed();
 130   } else {
 131     DVLOG(1) << "Unknown command:" << cmd;
 132   }
 133 }
 134
 135 void MergeSessionLoadPage::NotifyBlockingPageComplete() {
 136   OAuth2LoginManager* manager = GetOAuth2LoginManager();
 137   if (manager)
 138     manager->RemoveObserver(this);
 139
 140   if (!callback_.is_null()) {
 141     BrowserThread::PostTask(
 142         BrowserThread::IO, FROM_HERE, callback_);
 143   }
 144 }
 145
 146 OAuth2LoginManager* MergeSessionLoadPage::GetOAuth2LoginManager() {
 147   content::BrowserContext* browser_context = web_contents_->GetBrowserContext();
 148   if (!browser_context)
 149     return NULL;
 150
 151   Profile* profile = Profile::FromBrowserContext(browser_context);
 152   if (!profile)
 153     return NULL;
 154
 155   return OAuth2LoginManagerFactory::GetInstance()->GetForProfile(profile);
 156 }
 157
 158 void MergeSessionLoadPage::OnSessionRestoreStateChanged(
 159     Profile* user_profile, OAuth2LoginManager::SessionRestoreState state) {
 160   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 161
 162   OAuth2LoginManager* manager = GetOAuth2LoginManager();
 163   DVLOG(1) << "Merge session should "
 164            << (!manager->ShouldBlockTabLoading() ?
 165                   " NOT " : "")
 166            << " be blocking now, "
 167            << state;
 168   if (!manager->ShouldBlockTabLoading()) {
 169     manager->RemoveObserver(this);
 170     interstitial_page_->Proceed();
 171   }
 172 }
 173
 174 }  // namespace chromeos