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// 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/extensions/extension_service.h"
#include "chrome/browser/extensions/extension_system.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/extensions/extension_icon_set.h"
#include "chrome/common/extensions/manifest_handlers/icons_handler.h"
#include "chrome/common/localized_error.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/url_constants.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 "extensions/common/extension.h"
#include "grit/browser_resources.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "grit/google_chrome_strings.h"
#include "grit/theme_resources.h"
#include "net/base/escape.h"
#include "net/base/net_errors.h"
#include "ui/base/l10n/l10n_util.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 = NULL;
ExtensionService* extensions_service =
extensions::ExtensionSystem::Get(profile)->extension_service();
// Extension service does not exist in test.
if (extensions_service)
extension = extensions_service->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, locale,
accept_languages, &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);
}
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 = profile->GetExtensionService()->
GetInstalledExtension("kodldpbjkkmmnilagfdheibampofhaom");
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
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