Remove Old ChromeOS Offline Error Page

chrome/browser/chromeos/offline/offline_load_page.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/chromeos/offline/offline_load_page.h"
-
-#include "apps/launcher.h"
-#include "ash/shell.h"
-#include "ash/shell_delegate.h"
-#include "ash/system/tray/system_tray_delegate.h"
-#include "base/i18n/rtl.h"
-#include "base/metrics/histogram.h"
-#include "base/prefs/pref_service.h"
-#include "base/strings/string_piece.h"
-#include "base/strings/stringprintf.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/values.h"
-#include "chrome/browser/browser_process.h"
-#include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/renderer_preferences_util.h"
-#include "chrome/browser/tab_contents/tab_util.h"
-#include "chrome/common/extensions/extension_constants.h"
-#include "chrome/common/localized_error.h"
-#include "chrome/common/pref_names.h"
-#include "chrome/common/url_constants.h"
-#include "chrome/grit/browser_resources.h"
-#include "components/error_page/common/error_page_params.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/interstitial_page.h"
-#include "content/public/browser/notification_types.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/common/renderer_preferences.h"
-#include "extensions/browser/extension_registry.h"
-#include "extensions/common/extension.h"
-#include "net/base/escape.h"
-#include "net/base/net_errors.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/base/webui/jstemplate_builder.h"
-#include "ui/base/webui/web_ui_util.h"
-
-using content::BrowserThread;
-using content::InterstitialPage;
-using content::WebContents;
-
-namespace chromeos {
-
-OfflineLoadPage::OfflineLoadPage(WebContents* web_contents,
-                                 const GURL& url,
-                                 const CompletionCallback& callback)
-    : callback_(callback),
-      proceeded_(false),
-      web_contents_(web_contents),
-      url_(url) {
-  net::NetworkChangeNotifier::AddConnectionTypeObserver(this);
-  interstitial_page_ = InterstitialPage::Create(web_contents, true, url, this);
-}
-
-OfflineLoadPage::~OfflineLoadPage() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  net::NetworkChangeNotifier::RemoveConnectionTypeObserver(this);
-}
-
-void OfflineLoadPage::Show() {
-  interstitial_page_->Show();
-}
-
-std::string OfflineLoadPage::GetHTMLContents() {
-  // Use a local error page.
-  int resource_id;
-  base::DictionaryValue error_strings;
-
-  Profile* profile = Profile::FromBrowserContext(
-      web_contents_->GetBrowserContext());
-  DCHECK(profile);
-  const std::string& locale = g_browser_process->GetApplicationLocale();
-  const std::string accept_languages =
-      profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
-  LocalizedError::GetStrings(net::ERR_INTERNET_DISCONNECTED, net::kErrorDomain,
-                             url_, false, false, locale, accept_languages,
-                             scoped_ptr<error_page::ErrorPageParams>(),
-                             &error_strings);
-  resource_id = IDR_OFFLINE_NET_LOAD_HTML;
-
-  std::string template_html = ResourceBundle::GetSharedInstance()
-                                  .GetRawDataResource(resource_id)
-                                  .as_string();
-  webui::AppendWebUiCssTextDefaults(&template_html);
-  // "t" is the id of the templates root node.
-  return webui::GetTemplatesHtml(template_html, &error_strings, "t");
-}
-
-void OfflineLoadPage::OverrideRendererPrefs(
-    content::RendererPreferences* prefs) {
-  Profile* profile = Profile::FromBrowserContext(
-      web_contents_->GetBrowserContext());
-  renderer_preferences_util::UpdateFromSystemSettings(
-      prefs, profile, web_contents_);
-}
-
-void OfflineLoadPage::OnProceed() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  proceeded_ = true;
-  NotifyBlockingPageComplete(true);
-}
-
-void OfflineLoadPage::OnDontProceed() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  // Ignore if it's already proceeded.
-  if (proceeded_)
-    return;
-  NotifyBlockingPageComplete(false);
-}
-
-void OfflineLoadPage::CommandReceived(const std::string& cmd) {
-  std::string command(cmd);
-  // The Jasonified response has quotes, remove them.
-  if (command.length() > 1 && command[0] == '"') {
-    command = command.substr(1, command.length() - 2);
-  }
-  // TODO(oshima): record action for metrics.
-  if (command == "open_network_settings") {
-    ash::Shell::GetInstance()
-        ->system_tray_delegate()
-        ->ShowNetworkSettingsForGuid("");
-  } else if (command == "open_connectivity_diagnostics") {
-    Profile* profile = Profile::FromBrowserContext(
-        web_contents_->GetBrowserContext());
-    const extensions::Extension* extension =
-        extensions::ExtensionRegistry::Get(profile)->GetExtensionById(
-            "kodldpbjkkmmnilagfdheibampofhaom",
-            extensions::ExtensionRegistry::EVERYTHING);
-    apps::LaunchPlatformAppWithUrl(profile, extension, "",
-                                   GURL::EmptyGURL(), GURL::EmptyGURL());
-
-  } else {
-    LOG(WARNING) << "Unknown command:" << cmd;
-  }
-}
-
-void OfflineLoadPage::NotifyBlockingPageComplete(bool proceed) {
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE, base::Bind(callback_, proceed));
-}
-
-void OfflineLoadPage::OnConnectionTypeChanged(
-    net::NetworkChangeNotifier::ConnectionType type) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  const bool online = type != net::NetworkChangeNotifier::CONNECTION_NONE;
-  DVLOG(1) << "ConnectionTypeObserver notification received: state="
-           << (online ? "online" : "offline");
-  if (online) {
-    net::NetworkChangeNotifier::RemoveConnectionTypeObserver(this);
-    interstitial_page_->Proceed();
-  }
-}
-
-}  // namespace chromeos