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