| // 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/browser/ui/zoom/zoom_controller.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/browser/extension_system.h" |
| #include "extensions/common/extension.h" |
| #include "extensions/common/extension_icon_set.h" |
| #include "extensions/common/manifest_handlers/icons_handler.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(BrowserThread::CurrentlyOn(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; |
| |
| // The offline page for app has icons and slightly different message. |
| Profile* profile = Profile::FromBrowserContext( |
| web_contents_->GetBrowserContext()); |
| DCHECK(profile); |
| const extensions::Extension* extension = extensions::ExtensionRegistry::Get( |
| profile)->enabled_extensions().GetHostedAppByURL(url_); |
| if (extension && !extension->from_bookmark()) { |
| LocalizedError::GetAppErrorStrings(url_, extension, &error_strings); |
| resource_id = IDR_OFFLINE_APP_LOAD_HTML; |
| } else { |
| 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; |
| } |
| |
| const base::StringPiece template_html( |
| ResourceBundle::GetSharedInstance().GetRawDataResource( |
| resource_id)); |
| // "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(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| proceeded_ = true; |
| NotifyBlockingPageComplete(true); |
| } |
| |
| void OfflineLoadPage::OnDontProceed() { |
| DCHECK(BrowserThread::CurrentlyOn(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()->ShowNetworkSettings(""); |
| } 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(BrowserThread::CurrentlyOn(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 |