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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/ui/webui/app_launcher_login_handler.h"
#include <string>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/metrics/histogram.h"
#include "base/prefs/pref_service.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_info_cache.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/profiles/profile_metrics.h"
#include "chrome/browser/signin/signin_manager_factory.h"
#include "chrome/browser/signin/signin_promo.h"
#include "chrome/browser/sync/profile_sync_service.h"
#include "chrome/browser/sync/profile_sync_service_factory.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/chrome_pages.h"
#include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
#include "chrome/browser/ui/webui/profile_info_watcher.h"
#include "chrome/browser/web_resource/promo_resource_service.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/url_constants.h"
#include "chrome/grit/chromium_strings.h"
#include "chrome/grit/generated_resources.h"
#include "components/signin/core/browser/signin_manager.h"
#include "content/public/browser/host_zoom_map.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_ui.h"
#include "content/public/common/page_zoom.h"
#include "net/base/escape.h"
#include "skia/ext/image_operations.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/webui/web_ui_util.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/image/image.h"
using content::OpenURLParams;
using content::Referrer;
namespace {
SkBitmap GetGAIAPictureForNTP(const gfx::Image& image) {
// This value must match the width and height value of login-status-icon
// in new_tab.css.
const int kLength = 27;
SkBitmap bmp = skia::ImageOperations::Resize(*image.ToSkBitmap(),
skia::ImageOperations::RESIZE_BEST, kLength, kLength);
gfx::Canvas canvas(gfx::Size(kLength, kLength), 1.0f, false);
canvas.DrawImageInt(gfx::ImageSkia::CreateFrom1xBitmap(bmp), 0, 0);
// Draw a gray border on the inside of the icon.
SkColor color = SkColorSetARGB(83, 0, 0, 0);
canvas.DrawRect(gfx::Rect(0, 0, kLength - 1, kLength - 1), color);
return canvas.ExtractImageRep().sk_bitmap();
}
// Puts the |content| into an element with the given CSS class.
base::string16 CreateElementWithClass(const base::string16& content,
const std::string& tag_name,
const std::string& css_class,
const std::string& extends_tag) {
base::string16 start_tag = base::ASCIIToUTF16("<" + tag_name +
" class='" + css_class + "' is='" + extends_tag + "'>");
base::string16 end_tag = base::ASCIIToUTF16("</" + tag_name + ">");
return start_tag + net::EscapeForHTML(content) + end_tag;
}
} // namespace
AppLauncherLoginHandler::AppLauncherLoginHandler() {}
AppLauncherLoginHandler::~AppLauncherLoginHandler() {}
void AppLauncherLoginHandler::RegisterMessages() {
profile_info_watcher_.reset(new ProfileInfoWatcher(
Profile::FromWebUI(web_ui()),
base::Bind(&AppLauncherLoginHandler::UpdateLogin,
base::Unretained(this))));
web_ui()->RegisterMessageCallback("initializeSyncLogin",
base::Bind(&AppLauncherLoginHandler::HandleInitializeSyncLogin,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("showSyncLoginUI",
base::Bind(&AppLauncherLoginHandler::HandleShowSyncLoginUI,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("loginMessageSeen",
base::Bind(&AppLauncherLoginHandler::HandleLoginMessageSeen,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("showAdvancedLoginUI",
base::Bind(&AppLauncherLoginHandler::HandleShowAdvancedLoginUI,
base::Unretained(this)));
}
void AppLauncherLoginHandler::HandleInitializeSyncLogin(
const base::ListValue* args) {
UpdateLogin();
}
void AppLauncherLoginHandler::HandleShowSyncLoginUI(
const base::ListValue* args) {
Profile* profile = Profile::FromWebUI(web_ui());
if (!signin::ShouldShowPromo(profile))
return;
std::string username =
SigninManagerFactory::GetForProfile(profile)->GetAuthenticatedUsername();
if (!username.empty())
return;
content::WebContents* web_contents = web_ui()->GetWebContents();
Browser* browser = chrome::FindBrowserWithWebContents(web_contents);
if (!browser)
return;
// The user isn't signed in, show the sign in promo.
signin_metrics::Source source =
web_contents->GetURL().spec() == chrome::kChromeUIAppsURL ?
signin_metrics::SOURCE_APPS_PAGE_LINK :
signin_metrics::SOURCE_NTP_LINK;
chrome::ShowBrowserSignin(browser, source);
RecordInHistogram(NTP_SIGN_IN_PROMO_CLICKED);
}
void AppLauncherLoginHandler::RecordInHistogram(int type) {
// Invalid type to record.
if (type < NTP_SIGN_IN_PROMO_VIEWED ||
type > NTP_SIGN_IN_PROMO_CLICKED) {
NOTREACHED();
} else {
UMA_HISTOGRAM_ENUMERATION("SyncPromo.NTPPromo", type,
NTP_SIGN_IN_PROMO_BUCKET_BOUNDARY);
}
}
void AppLauncherLoginHandler::HandleLoginMessageSeen(
const base::ListValue* args) {
Profile::FromWebUI(web_ui())->GetPrefs()->SetBoolean(
prefs::kSignInPromoShowNTPBubble, false);
NewTabUI* ntp_ui = NewTabUI::FromWebUIController(web_ui()->GetController());
// When instant extended is enabled, there may not be a NewTabUI object.
if (ntp_ui)
ntp_ui->set_showing_sync_bubble(true);
}
void AppLauncherLoginHandler::HandleShowAdvancedLoginUI(
const base::ListValue* args) {
Browser* browser =
chrome::FindBrowserWithWebContents(web_ui()->GetWebContents());
if (browser)
chrome::ShowBrowserSignin(browser, signin_metrics::SOURCE_NTP_LINK);
}
void AppLauncherLoginHandler::UpdateLogin() {
std::string username = profile_info_watcher_->GetAuthenticatedUsername();
base::string16 header, sub_header;
std::string icon_url;
Profile* profile = Profile::FromWebUI(web_ui());
if (!username.empty()) {
ProfileInfoCache& cache =
g_browser_process->profile_manager()->GetProfileInfoCache();
size_t profile_index = cache.GetIndexOfProfileWithPath(profile->GetPath());
if (profile_index != std::string::npos) {
// Only show the profile picture and full name for the single profile
// case. In the multi-profile case the profile picture is visible in the
// title bar and the full name can be ambiguous.
if (cache.GetNumberOfProfiles() == 1) {
base::string16 name = cache.GetGAIANameOfProfileAtIndex(profile_index);
if (!name.empty())
header = CreateElementWithClass(name, "span", "profile-name", "");
const gfx::Image* image =
cache.GetGAIAPictureOfProfileAtIndex(profile_index);
if (image)
icon_url = webui::GetBitmapDataUrl(GetGAIAPictureForNTP(*image));
}
if (header.empty()) {
header = CreateElementWithClass(base::UTF8ToUTF16(username), "span",
"profile-name", "");
}
}
} else {
#if !defined(OS_CHROMEOS)
// Chromeos does not show this status header.
SigninManager* signin = SigninManagerFactory::GetForProfile(
profile->GetOriginalProfile());
if (!profile->IsLegacySupervised() && signin->IsSigninAllowed()) {
base::string16 signed_in_link = l10n_util::GetStringUTF16(
IDS_SYNC_PROMO_NOT_SIGNED_IN_STATUS_LINK);
signed_in_link =
CreateElementWithClass(signed_in_link, "a", "", "action-link");
header = l10n_util::GetStringFUTF16(
IDS_SYNC_PROMO_NOT_SIGNED_IN_STATUS_HEADER,
l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_NAME));
sub_header = l10n_util::GetStringFUTF16(
IDS_SYNC_PROMO_NOT_SIGNED_IN_STATUS_SUB_HEADER, signed_in_link);
// Record that the user was shown the promo.
RecordInHistogram(NTP_SIGN_IN_PROMO_VIEWED);
}
#endif
}
base::StringValue header_value(header);
base::StringValue sub_header_value(sub_header);
base::StringValue icon_url_value(icon_url);
base::FundamentalValue is_user_signed_in(!username.empty());
web_ui()->CallJavascriptFunction("ntp.updateLogin",
header_value, sub_header_value, icon_url_value, is_user_signed_in);
}
// static
bool AppLauncherLoginHandler::ShouldShow(Profile* profile) {
#if defined(OS_CHROMEOS)
// For now we don't care about showing sync status on Chrome OS. The promo
// UI and the avatar menu don't exist on that platform.
return false;
#else
SigninManager* signin = SigninManagerFactory::GetForProfile(profile);
return !profile->IsOffTheRecord() && signin && signin->IsSigninAllowed();
#endif
}
// static
void AppLauncherLoginHandler::GetLocalizedValues(
Profile* profile, base::DictionaryValue* values) {
PrefService* prefs = profile->GetPrefs();
bool hide_sync = !prefs->GetBoolean(prefs::kSignInPromoShowNTPBubble);
base::string16 message = hide_sync ? base::string16() :
l10n_util::GetStringFUTF16(IDS_SYNC_PROMO_NTP_BUBBLE_MESSAGE,
l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_NAME));
values->SetString("login_status_message", message);
values->SetString("login_status_url",
hide_sync ? std::string() : chrome::kSyncLearnMoreURL);
values->SetString("login_status_advanced",
hide_sync ? base::string16() :
l10n_util::GetStringUTF16(IDS_SYNC_PROMO_NTP_BUBBLE_ADVANCED));
values->SetString("login_status_dismiss",
hide_sync ? base::string16() :
l10n_util::GetStringUTF16(IDS_SYNC_PROMO_NTP_BUBBLE_OK));
}
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