1 // Copyright (c) 2012 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/ui/webui/ntp/ntp_resource_cache.h" 6 7 #include <string> 8 #include <vector> 9 10 #include "base/command_line.h" 11 #include "base/memory/ref_counted_memory.h" 12 #include "base/prefs/pref_service.h" 13 #include "base/strings/string16.h" 14 #include "base/strings/string_number_conversions.h" 15 #include "base/strings/stringprintf.h" 16 #include "base/strings/utf_string_conversions.h" 17 #include "base/values.h" 18 #include "chrome/browser/browser_process.h" 19 #include "chrome/browser/chrome_notification_types.h" 20 #include "chrome/browser/first_run/first_run.h" 21 #include "chrome/browser/profiles/profile.h" 22 #include "chrome/browser/search/search.h" 23 #include "chrome/browser/sync/profile_sync_service.h" 24 #include "chrome/browser/sync/profile_sync_service_factory.h" 25 #include "chrome/browser/themes/theme_properties.h" 26 #include "chrome/browser/themes/theme_service.h" 27 #include "chrome/browser/themes/theme_service_factory.h" 28 #include "chrome/browser/ui/app_list/app_list_util.h" 29 #include "chrome/browser/ui/bookmarks/bookmark_bar_constants.h" 30 #include "chrome/browser/ui/sync/sync_promo_ui.h" 31 #include "chrome/browser/ui/webui/ntp/new_tab_page_handler.h" 32 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h" 33 #include "chrome/browser/ui/webui/ntp/ntp_login_handler.h" 34 #include "chrome/browser/ui/webui/sync_setup_handler.h" 35 #include "chrome/browser/web_resource/notification_promo.h" 36 #include "chrome/common/chrome_switches.h" 37 #include "chrome/common/extensions/extension_constants.h" 38 #include "chrome/common/pref_names.h" 39 #include "chrome/common/url_constants.h" 40 #include "components/google/core/browser/google_util.h" 41 #include "content/public/browser/browser_thread.h" 42 #include "content/public/browser/notification_service.h" 43 #include "content/public/browser/render_process_host.h" 44 #include "extensions/common/extension.h" 45 #include "grit/browser_resources.h" 46 #include "grit/chromium_strings.h" 47 #include "grit/generated_resources.h" 48 #include "grit/locale_settings.h" 49 #include "grit/theme_resources.h" 50 #include "ui/base/l10n/l10n_util.h" 51 #include "ui/base/resource/resource_bundle.h" 52 #include "ui/base/theme_provider.h" 53 #include "ui/base/webui/jstemplate_builder.h" 54 #include "ui/base/webui/web_ui_util.h" 55 #include "ui/gfx/animation/animation.h" 56 #include "ui/gfx/color_utils.h" 57 #include "ui/gfx/sys_color_change_listener.h" 58 59 #if defined(OS_CHROMEOS) 60 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h" 61 #include "chromeos/chromeos_switches.h" 62 #endif 63 64 #if defined(OS_MACOSX) 65 #include "chrome/browser/platform_util.h" 66 #endif 67 68 using content::BrowserThread; 69 70 namespace { 71 72 // The URL for the the Learn More page shown on incognito new tab. 73 const char kLearnMoreIncognitoUrl[] = 74 #if defined(OS_CHROMEOS) 75 "https://www.google.com/support/chromeos/bin/answer.py?answer=95464"; 76 #else 77 "https://www.google.com/support/chrome/bin/answer.py?answer=95464"; 78 #endif 79 80 // The URL for the Learn More page shown on guest session new tab. 81 const char kLearnMoreGuestSessionUrl[] = 82 "https://www.google.com/support/chromeos/bin/answer.py?answer=1057090"; 83 84 std::string SkColorToRGBAString(SkColor color) { 85 // We convert the alpha using DoubleToString because StringPrintf will use 86 // locale specific formatters (e.g., use , instead of . in German). 87 return base::StringPrintf( 88 "rgba(%d,%d,%d,%s)", 89 SkColorGetR(color), 90 SkColorGetG(color), 91 SkColorGetB(color), 92 base::DoubleToString(SkColorGetA(color) / 255.0).c_str()); 93 } 94 95 // Creates an rgb string for an SkColor, but leaves the alpha blank so that the 96 // css can fill it in. 97 std::string SkColorToRGBComponents(SkColor color) { 98 return base::StringPrintf( 99 "%d,%d,%d", 100 SkColorGetR(color), 101 SkColorGetG(color), 102 SkColorGetB(color)); 103 } 104 105 SkColor GetThemeColor(ui::ThemeProvider* tp, int id) { 106 SkColor color = tp->GetColor(id); 107 // If web contents are being inverted because the system is in high-contrast 108 // mode, any system theme colors we use must be inverted too to cancel out. 109 return gfx::IsInvertedColorScheme() ? 110 color_utils::InvertColor(color) : color; 111 } 112 113 // Get the CSS string for the background position on the new tab page for the 114 // states when the bar is attached or detached. 115 std::string GetNewTabBackgroundCSS(const ui::ThemeProvider* theme_provider, 116 bool bar_attached) { 117 // TODO(glen): This is a quick workaround to hide the notused.png image when 118 // no image is provided - we don't have time right now to figure out why 119 // this is painting as white. 120 // http://crbug.com/17593 121 if (!theme_provider->HasCustomImage(IDR_THEME_NTP_BACKGROUND)) { 122 return "-64px"; 123 } 124 125 int alignment = theme_provider->GetDisplayProperty( 126 ThemeProperties::NTP_BACKGROUND_ALIGNMENT); 127 128 if (bar_attached) 129 return ThemeProperties::AlignmentToString(alignment); 130 131 if (alignment & ThemeProperties::ALIGN_TOP) { 132 // The bar is detached, so we must offset the background by the bar size 133 // if it's a top-aligned bar. 134 int offset = chrome::kNTPBookmarkBarHeight; 135 136 if (alignment & ThemeProperties::ALIGN_LEFT) 137 return "left " + base::IntToString(-offset) + "px"; 138 else if (alignment & ThemeProperties::ALIGN_RIGHT) 139 return "right " + base::IntToString(-offset) + "px"; 140 return "center " + base::IntToString(-offset) + "px"; 141 } 142 143 return ThemeProperties::AlignmentToString(alignment); 144 } 145 146 // How the background image on the new tab page should be tiled (see tiling 147 // masks in theme_service.h). 148 std::string GetNewTabBackgroundTilingCSS( 149 const ui::ThemeProvider* theme_provider) { 150 int repeat_mode = theme_provider->GetDisplayProperty( 151 ThemeProperties::NTP_BACKGROUND_TILING); 152 return ThemeProperties::TilingToString(repeat_mode); 153 } 154 155 } // namespace 156 157 NTPResourceCache::NTPResourceCache(Profile* profile) 158 : profile_(profile), is_swipe_tracking_from_scroll_events_enabled_(false), 159 should_show_apps_page_(NewTabUI::ShouldShowApps()), 160 should_show_most_visited_page_(true), 161 should_show_other_devices_menu_(true), 162 should_show_recently_closed_menu_(true) { 163 registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED, 164 content::Source<ThemeService>( 165 ThemeServiceFactory::GetForProfile(profile))); 166 registrar_.Add(this, chrome::NOTIFICATION_PROMO_RESOURCE_STATE_CHANGED, 167 content::NotificationService::AllSources()); 168 169 base::Closure callback = base::Bind(&NTPResourceCache::OnPreferenceChanged, 170 base::Unretained(this)); 171 172 // Watch for pref changes that cause us to need to invalidate the HTML cache. 173 profile_pref_change_registrar_.Init(profile_->GetPrefs()); 174 profile_pref_change_registrar_.Add(prefs::kShowBookmarkBar, callback); 175 profile_pref_change_registrar_.Add(prefs::kNtpShownPage, callback); 176 profile_pref_change_registrar_.Add(prefs::kSignInPromoShowNTPBubble, 177 callback); 178 profile_pref_change_registrar_.Add(prefs::kHideWebStoreIcon, callback); 179 180 // Some tests don't have a local state. 181 #if defined(ENABLE_APP_LIST) 182 if (g_browser_process->local_state()) { 183 local_state_pref_change_registrar_.Init(g_browser_process->local_state()); 184 local_state_pref_change_registrar_.Add(prefs::kShowAppLauncherPromo, 185 callback); 186 local_state_pref_change_registrar_.Add( 187 prefs::kAppLauncherHasBeenEnabled, callback); 188 } 189 #endif 190 } 191 192 NTPResourceCache::~NTPResourceCache() {} 193 194 bool NTPResourceCache::NewTabCacheNeedsRefresh() { 195 #if defined(OS_MACOSX) 196 // Invalidate if the current value is different from the cached value. 197 bool is_enabled = platform_util::IsSwipeTrackingFromScrollEventsEnabled(); 198 if (is_enabled != is_swipe_tracking_from_scroll_events_enabled_) { 199 is_swipe_tracking_from_scroll_events_enabled_ = is_enabled; 200 return true; 201 } 202 #endif 203 bool should_show_apps_page = NewTabUI::ShouldShowApps(); 204 if (should_show_apps_page != should_show_apps_page_) { 205 should_show_apps_page_ = should_show_apps_page; 206 return true; 207 } 208 return false; 209 } 210 211 NTPResourceCache::WindowType NTPResourceCache::GetWindowType( 212 Profile* profile, content::RenderProcessHost* render_host) { 213 if (profile->IsGuestSession()) { 214 return NTPResourceCache::GUEST; 215 } else if (render_host) { 216 // Sometimes the |profile| is the parent (non-incognito) version of the user 217 // so we check the |render_host| if it is provided. 218 if (render_host->GetBrowserContext()->IsOffTheRecord()) 219 return NTPResourceCache::INCOGNITO; 220 } else if (profile->IsOffTheRecord()) { 221 return NTPResourceCache::INCOGNITO; 222 } 223 return NTPResourceCache::NORMAL; 224 } 225 226 base::RefCountedMemory* NTPResourceCache::GetNewTabHTML(WindowType win_type) { 227 DCHECK_CURRENTLY_ON(BrowserThread::UI); 228 if (win_type == GUEST) { 229 if (!new_tab_guest_html_.get()) 230 CreateNewTabGuestHTML(); 231 return new_tab_guest_html_.get(); 232 } else if (win_type == INCOGNITO) { 233 if (!new_tab_incognito_html_.get()) 234 CreateNewTabIncognitoHTML(); 235 return new_tab_incognito_html_.get(); 236 } else { 237 // Refresh the cached HTML if necessary. 238 // NOTE: NewTabCacheNeedsRefresh() must be called every time the new tab 239 // HTML is fetched, because it needs to initialize cached values. 240 if (NewTabCacheNeedsRefresh() || !new_tab_html_.get()) 241 CreateNewTabHTML(); 242 return new_tab_html_.get(); 243 } 244 } 245 246 base::RefCountedMemory* NTPResourceCache::GetNewTabCSS(WindowType win_type) { 247 DCHECK_CURRENTLY_ON(BrowserThread::UI); 248 if (win_type == GUEST) { 249 if (!new_tab_guest_css_.get()) 250 CreateNewTabGuestCSS(); 251 return new_tab_guest_css_.get(); 252 } else if (win_type == INCOGNITO) { 253 if (!new_tab_incognito_css_.get()) 254 CreateNewTabIncognitoCSS(); 255 return new_tab_incognito_css_.get(); 256 } else { 257 if (!new_tab_css_.get()) 258 CreateNewTabCSS(); 259 return new_tab_css_.get(); 260 } 261 } 262 263 void NTPResourceCache::Observe(int type, 264 const content::NotificationSource& source, 265 const content::NotificationDetails& details) { 266 // Invalidate the cache. 267 if (chrome::NOTIFICATION_BROWSER_THEME_CHANGED == type || 268 chrome::NOTIFICATION_PROMO_RESOURCE_STATE_CHANGED == type) { 269 new_tab_incognito_html_ = NULL; 270 new_tab_html_ = NULL; 271 new_tab_incognito_css_ = NULL; 272 new_tab_css_ = NULL; 273 } else { 274 NOTREACHED(); 275 } 276 } 277 278 void NTPResourceCache::OnPreferenceChanged() { 279 // A change occurred to one of the preferences we care about, so flush the 280 // cache. 281 new_tab_incognito_html_ = NULL; 282 new_tab_html_ = NULL; 283 new_tab_css_ = NULL; 284 } 285 286 void NTPResourceCache::CreateNewTabIncognitoHTML() { 287 base::DictionaryValue localized_strings; 288 localized_strings.SetString("title", 289 l10n_util::GetStringUTF16(IDS_NEW_TAB_TITLE)); 290 int new_tab_description_ids = IDS_NEW_TAB_OTR_DESCRIPTION; 291 int new_tab_heading_ids = IDS_NEW_TAB_OTR_HEADING; 292 int new_tab_link_ids = IDS_NEW_TAB_OTR_LEARN_MORE_LINK; 293 int new_tab_warning_ids = IDS_NEW_TAB_OTR_MESSAGE_WARNING; 294 int new_tab_html_idr = IDR_INCOGNITO_TAB_HTML; 295 const char* new_tab_link = kLearnMoreIncognitoUrl; 296 297 if (profile_->IsGuestSession()) { 298 localized_strings.SetString("guestTabDescription", 299 l10n_util::GetStringUTF16(new_tab_description_ids)); 300 localized_strings.SetString("guestTabHeading", 301 l10n_util::GetStringUTF16(new_tab_heading_ids)); 302 } else { 303 localized_strings.SetString("incognitoTabDescription", 304 l10n_util::GetStringUTF16(new_tab_description_ids)); 305 localized_strings.SetString("incognitoTabHeading", 306 l10n_util::GetStringUTF16(new_tab_heading_ids)); 307 localized_strings.SetString("incognitoTabWarning", 308 l10n_util::GetStringUTF16(new_tab_warning_ids)); 309 } 310 311 localized_strings.SetString("learnMore", 312 l10n_util::GetStringUTF16(new_tab_link_ids)); 313 localized_strings.SetString("learnMoreLink", new_tab_link); 314 315 bool bookmark_bar_attached = profile_->GetPrefs()->GetBoolean( 316 prefs::kShowBookmarkBar); 317 localized_strings.SetBoolean("bookmarkbarattached", bookmark_bar_attached); 318 319 webui::SetFontAndTextDirection(&localized_strings); 320 321 static const base::StringPiece incognito_tab_html( 322 ResourceBundle::GetSharedInstance().GetRawDataResource( 323 new_tab_html_idr)); 324 325 std::string full_html = webui::GetI18nTemplateHtml( 326 incognito_tab_html, &localized_strings); 327 328 new_tab_incognito_html_ = base::RefCountedString::TakeString(&full_html); 329 } 330 331 void NTPResourceCache::CreateNewTabGuestHTML() { 332 base::DictionaryValue localized_strings; 333 localized_strings.SetString("title", 334 l10n_util::GetStringUTF16(IDS_NEW_TAB_TITLE)); 335 const char* guest_tab_link = kLearnMoreGuestSessionUrl; 336 int guest_tab_ids = IDR_GUEST_TAB_HTML; 337 int guest_tab_description_ids = IDS_NEW_TAB_GUEST_SESSION_DESCRIPTION; 338 int guest_tab_heading_ids = IDS_NEW_TAB_GUEST_SESSION_HEADING; 339 int guest_tab_link_ids = IDS_NEW_TAB_GUEST_SESSION_LEARN_MORE_LINK; 340 341 #if defined(OS_CHROMEOS) 342 guest_tab_ids = IDR_GUEST_SESSION_TAB_HTML; 343 guest_tab_link = kLearnMoreGuestSessionUrl; 344 345 policy::BrowserPolicyConnectorChromeOS* connector = 346 g_browser_process->platform_part()->browser_policy_connector_chromeos(); 347 std::string enterprise_domain = connector->GetEnterpriseDomain(); 348 349 if (!enterprise_domain.empty()) { 350 // Device is enterprise enrolled. 351 localized_strings.SetString("enterpriseInfoVisible", "true"); 352 base::string16 enterprise_info = l10n_util::GetStringFUTF16( 353 IDS_DEVICE_OWNED_BY_NOTICE, 354 base::UTF8ToUTF16(enterprise_domain)); 355 localized_strings.SetString("enterpriseInfoMessage", enterprise_info); 356 localized_strings.SetString("enterpriseLearnMore", 357 l10n_util::GetStringUTF16(IDS_LEARN_MORE)); 358 localized_strings.SetString("enterpriseInfoHintLink", 359 chrome::kLearnMoreEnterpriseURL); 360 } else { 361 localized_strings.SetString("enterpriseInfoVisible", "false"); 362 } 363 #endif 364 365 localized_strings.SetString("guestTabDescription", 366 l10n_util::GetStringUTF16(guest_tab_description_ids)); 367 localized_strings.SetString("guestTabHeading", 368 l10n_util::GetStringUTF16(guest_tab_heading_ids)); 369 localized_strings.SetString("learnMore", 370 l10n_util::GetStringUTF16(guest_tab_link_ids)); 371 localized_strings.SetString("learnMoreLink", guest_tab_link); 372 373 webui::SetFontAndTextDirection(&localized_strings); 374 375 static const base::StringPiece guest_tab_html( 376 ResourceBundle::GetSharedInstance().GetRawDataResource(guest_tab_ids)); 377 378 std::string full_html = webui::GetI18nTemplateHtml( 379 guest_tab_html, &localized_strings); 380 381 new_tab_guest_html_ = base::RefCountedString::TakeString(&full_html); 382 } 383 384 void NTPResourceCache::CreateNewTabHTML() { 385 // TODO(estade): these strings should be defined in their relevant handlers 386 // (in GetLocalizedValues) and should have more legible names. 387 // Show the profile name in the title and most visited labels if the current 388 // profile is not the default. 389 PrefService* prefs = profile_->GetPrefs(); 390 base::DictionaryValue load_time_data; 391 load_time_data.SetBoolean("bookmarkbarattached", 392 prefs->GetBoolean(prefs::kShowBookmarkBar)); 393 load_time_data.SetBoolean("hasattribution", 394 ThemeServiceFactory::GetForProfile(profile_)->HasCustomImage( 395 IDR_THEME_NTP_ATTRIBUTION)); 396 load_time_data.SetBoolean("showMostvisited", should_show_most_visited_page_); 397 load_time_data.SetBoolean("showAppLauncherPromo", 398 ShouldShowAppLauncherPromo()); 399 load_time_data.SetBoolean("showRecentlyClosed", 400 should_show_recently_closed_menu_); 401 load_time_data.SetString("title", 402 l10n_util::GetStringUTF16(IDS_NEW_TAB_TITLE)); 403 load_time_data.SetString("mostvisited", 404 l10n_util::GetStringUTF16(IDS_NEW_TAB_MOST_VISITED)); 405 load_time_data.SetString("suggestions", 406 l10n_util::GetStringUTF16(IDS_NEW_TAB_SUGGESTIONS)); 407 load_time_data.SetString("restoreThumbnailsShort", 408 l10n_util::GetStringUTF16(IDS_NEW_TAB_RESTORE_THUMBNAILS_SHORT_LINK)); 409 load_time_data.SetString("recentlyclosed", 410 l10n_util::GetStringUTF16(IDS_NEW_TAB_RECENTLY_CLOSED)); 411 load_time_data.SetString("webStoreTitle", 412 l10n_util::GetStringUTF16(IDS_EXTENSION_WEB_STORE_TITLE)); 413 load_time_data.SetString("webStoreTitleShort", 414 l10n_util::GetStringUTF16(IDS_EXTENSION_WEB_STORE_TITLE_SHORT)); 415 load_time_data.SetString("closedwindowsingle", 416 l10n_util::GetStringUTF16(IDS_NEW_TAB_RECENTLY_CLOSED_WINDOW_SINGLE)); 417 load_time_data.SetString("closedwindowmultiple", 418 l10n_util::GetStringUTF16(IDS_NEW_TAB_RECENTLY_CLOSED_WINDOW_MULTIPLE)); 419 load_time_data.SetString("attributionintro", 420 l10n_util::GetStringUTF16(IDS_NEW_TAB_ATTRIBUTION_INTRO)); 421 load_time_data.SetString("thumbnailremovednotification", 422 l10n_util::GetStringUTF16(IDS_NEW_TAB_THUMBNAIL_REMOVED_NOTIFICATION)); 423 load_time_data.SetString("undothumbnailremove", 424 l10n_util::GetStringUTF16(IDS_NEW_TAB_UNDO_THUMBNAIL_REMOVE)); 425 load_time_data.SetString("removethumbnailtooltip", 426 l10n_util::GetStringUTF16(IDS_NEW_TAB_REMOVE_THUMBNAIL_TOOLTIP)); 427 load_time_data.SetString("appuninstall", 428 l10n_util::GetStringUTF16(IDS_EXTENSIONS_UNINSTALL)); 429 load_time_data.SetString("appoptions", 430 l10n_util::GetStringUTF16(IDS_NEW_TAB_APP_OPTIONS)); 431 load_time_data.SetString("appdetails", 432 l10n_util::GetStringUTF16(IDS_NEW_TAB_APP_DETAILS)); 433 load_time_data.SetString("appcreateshortcut", 434 l10n_util::GetStringUTF16(IDS_NEW_TAB_APP_CREATE_SHORTCUT)); 435 load_time_data.SetString("appDefaultPageName", 436 l10n_util::GetStringUTF16(IDS_APP_DEFAULT_PAGE_NAME)); 437 load_time_data.SetString("applaunchtypepinned", 438 l10n_util::GetStringUTF16(IDS_APP_CONTEXT_MENU_OPEN_PINNED)); 439 load_time_data.SetString("applaunchtyperegular", 440 l10n_util::GetStringUTF16(IDS_APP_CONTEXT_MENU_OPEN_REGULAR)); 441 load_time_data.SetString("applaunchtypewindow", 442 l10n_util::GetStringUTF16(IDS_APP_CONTEXT_MENU_OPEN_WINDOW)); 443 load_time_data.SetString("applaunchtypefullscreen", 444 l10n_util::GetStringUTF16(IDS_APP_CONTEXT_MENU_OPEN_FULLSCREEN)); 445 load_time_data.SetString("syncpromotext", 446 l10n_util::GetStringUTF16(IDS_SYNC_START_SYNC_BUTTON_LABEL)); 447 load_time_data.SetString("syncLinkText", 448 l10n_util::GetStringUTF16(IDS_SYNC_ADVANCED_OPTIONS)); 449 load_time_data.SetBoolean("shouldShowSyncLogin", 450 NTPLoginHandler::ShouldShow(profile_)); 451 load_time_data.SetString("otherSessions", 452 l10n_util::GetStringUTF16(IDS_NEW_TAB_OTHER_SESSIONS_LABEL)); 453 load_time_data.SetString("otherSessionsEmpty", 454 l10n_util::GetStringUTF16(IDS_NEW_TAB_OTHER_SESSIONS_EMPTY)); 455 load_time_data.SetString("otherSessionsLearnMoreUrl", 456 l10n_util::GetStringUTF16(IDS_NEW_TAB_OTHER_SESSIONS_LEARN_MORE_URL)); 457 load_time_data.SetString("learnMore", 458 l10n_util::GetStringUTF16(IDS_LEARN_MORE)); 459 load_time_data.SetString("webStoreLink", 460 google_util::AppendGoogleLocaleParam( 461 GURL(extension_urls::GetWebstoreLaunchURL()), 462 g_browser_process->GetApplicationLocale()).spec()); 463 load_time_data.SetString("appInstallHintText", 464 l10n_util::GetStringUTF16(IDS_NEW_TAB_APP_INSTALL_HINT_LABEL)); 465 load_time_data.SetBoolean("isDiscoveryInNTPEnabled", 466 NewTabUI::IsDiscoveryInNTPEnabled()); 467 load_time_data.SetString("collapseSessionMenuItemText", 468 l10n_util::GetStringUTF16(IDS_NEW_TAB_OTHER_SESSIONS_COLLAPSE_SESSION)); 469 load_time_data.SetString("expandSessionMenuItemText", 470 l10n_util::GetStringUTF16(IDS_NEW_TAB_OTHER_SESSIONS_EXPAND_SESSION)); 471 load_time_data.SetString("restoreSessionMenuItemText", 472 l10n_util::GetStringUTF16(IDS_NEW_TAB_OTHER_SESSIONS_OPEN_ALL)); 473 load_time_data.SetString("learn_more", 474 l10n_util::GetStringUTF16(IDS_LEARN_MORE)); 475 load_time_data.SetString("tile_grid_screenreader_accessible_description", 476 l10n_util::GetStringUTF16(IDS_NEW_TAB_TILE_GRID_ACCESSIBLE_DESCRIPTION)); 477 load_time_data.SetString("page_switcher_change_title", 478 l10n_util::GetStringUTF16(IDS_NEW_TAB_PAGE_SWITCHER_CHANGE_TITLE)); 479 load_time_data.SetString("page_switcher_same_title", 480 l10n_util::GetStringUTF16(IDS_NEW_TAB_PAGE_SWITCHER_SAME_TITLE)); 481 load_time_data.SetString("appsPromoTitle", 482 l10n_util::GetStringUTF16(IDS_NEW_TAB_PAGE_APPS_PROMO_TITLE)); 483 // On Mac OS X 10.7+, horizontal scrolling can be treated as a back or 484 // forward gesture. Pass through a flag that indicates whether or not that 485 // feature is enabled. 486 load_time_data.SetBoolean("isSwipeTrackingFromScrollEventsEnabled", 487 is_swipe_tracking_from_scroll_events_enabled_); 488 // Supervised users can not have apps installed currently so there's no need 489 // to show the app cards. 490 if (profile_->IsSupervised()) 491 should_show_apps_page_ = false; 492 493 load_time_data.SetBoolean("showApps", should_show_apps_page_); 494 load_time_data.SetBoolean("showWebStoreIcon", 495 !prefs->GetBoolean(prefs::kHideWebStoreIcon)); 496 497 bool streamlined_hosted_apps = CommandLine::ForCurrentProcess()->HasSwitch( 498 switches::kEnableStreamlinedHostedApps); 499 load_time_data.SetBoolean("enableStreamlinedHostedApps", 500 streamlined_hosted_apps); 501 // Use a different string for launching as a regular tab for streamlined 502 // hosted apps. 503 if (streamlined_hosted_apps) { 504 load_time_data.SetString("applaunchtypetab", 505 l10n_util::GetStringUTF16(IDS_APP_CONTEXT_MENU_OPEN_TAB)); 506 } 507 508 #if defined(OS_CHROMEOS) 509 load_time_data.SetString("expandMenu", 510 l10n_util::GetStringUTF16(IDS_NEW_TAB_CLOSE_MENU_EXPAND)); 511 #endif 512 513 NewTabPageHandler::GetLocalizedValues(profile_, &load_time_data); 514 NTPLoginHandler::GetLocalizedValues(profile_, &load_time_data); 515 516 webui::SetFontAndTextDirection(&load_time_data); 517 518 // Control fade and resize animations. 519 load_time_data.SetBoolean("anim", 520 gfx::Animation::ShouldRenderRichAnimation()); 521 522 ui::ThemeProvider* tp = ThemeServiceFactory::GetForProfile(profile_); 523 int alignment = tp->GetDisplayProperty( 524 ThemeProperties::NTP_BACKGROUND_ALIGNMENT); 525 load_time_data.SetString("themegravity", 526 (alignment & ThemeProperties::ALIGN_RIGHT) ? "right" : ""); 527 528 // Disable the promo if this is the first run, otherwise set the promo string 529 // for display if there is a valid outstanding promo. 530 if (first_run::IsChromeFirstRun()) { 531 NotificationPromo::HandleClosed(NotificationPromo::NTP_NOTIFICATION_PROMO); 532 } else { 533 NotificationPromo notification_promo; 534 notification_promo.InitFromPrefs(NotificationPromo::NTP_NOTIFICATION_PROMO); 535 if (notification_promo.CanShow()) { 536 load_time_data.SetString("notificationPromoText", 537 notification_promo.promo_text()); 538 DVLOG(1) << "Notification promo:" << notification_promo.promo_text(); 539 } 540 541 NotificationPromo bubble_promo; 542 bubble_promo.InitFromPrefs(NotificationPromo::NTP_BUBBLE_PROMO); 543 if (bubble_promo.CanShow()) { 544 load_time_data.SetString("bubblePromoText", 545 bubble_promo.promo_text()); 546 DVLOG(1) << "Bubble promo:" << bubble_promo.promo_text(); 547 } 548 } 549 550 // Determine whether to show the menu for accessing tabs on other devices. 551 bool show_other_sessions_menu = should_show_other_devices_menu_ && 552 !CommandLine::ForCurrentProcess()->HasSwitch( 553 switches::kDisableNTPOtherSessionsMenu); 554 load_time_data.SetBoolean("showOtherSessionsMenu", show_other_sessions_menu); 555 load_time_data.SetBoolean("isUserSignedIn", 556 !prefs->GetString(prefs::kGoogleServicesUsername).empty()); 557 558 // Load the new tab page appropriate for this build. 559 base::StringPiece new_tab_html(ResourceBundle::GetSharedInstance(). 560 GetRawDataResource(IDR_NEW_TAB_4_HTML)); 561 webui::UseVersion2 version2; 562 std::string full_html = 563 webui::GetI18nTemplateHtml(new_tab_html, &load_time_data); 564 new_tab_html_ = base::RefCountedString::TakeString(&full_html); 565 } 566 567 void NTPResourceCache::CreateNewTabIncognitoCSS() { 568 ui::ThemeProvider* tp = ThemeServiceFactory::GetForProfile(profile_); 569 DCHECK(tp); 570 571 // Get our theme colors 572 SkColor color_background = 573 GetThemeColor(tp, ThemeProperties::COLOR_NTP_BACKGROUND); 574 575 // Generate the replacements. 576 std::vector<std::string> subst; 577 578 // Cache-buster for background. 579 subst.push_back( 580 profile_->GetPrefs()->GetString(prefs::kCurrentThemeID)); // $1 581 582 // Colors. 583 subst.push_back(SkColorToRGBAString(color_background)); // $2 584 subst.push_back(GetNewTabBackgroundCSS(tp, false)); // $3 585 subst.push_back(GetNewTabBackgroundCSS(tp, true)); // $4 586 subst.push_back(GetNewTabBackgroundTilingCSS(tp)); // $5 587 588 // Get our template. 589 static const base::StringPiece new_tab_theme_css( 590 ResourceBundle::GetSharedInstance().GetRawDataResource( 591 IDR_NEW_INCOGNITO_TAB_THEME_CSS)); 592 593 // Create the string from our template and the replacements. 594 std::string full_css = ReplaceStringPlaceholders( 595 new_tab_theme_css, subst, NULL); 596 597 new_tab_incognito_css_ = base::RefCountedString::TakeString(&full_css); 598 } 599 600 void NTPResourceCache::CreateNewTabGuestCSS() { 601 ui::ThemeProvider* tp = ThemeServiceFactory::GetForProfile(profile_); 602 DCHECK(tp); 603 604 // Get our theme colors 605 SkColor color_background = 606 GetThemeColor(tp, ThemeProperties::COLOR_NTP_BACKGROUND); 607 608 // Generate the replacements. 609 std::vector<std::string> subst; 610 611 // Cache-buster for background. 612 subst.push_back( 613 profile_->GetPrefs()->GetString(prefs::kCurrentThemeID)); // $1 614 615 // Colors. 616 subst.push_back(SkColorToRGBAString(color_background)); // $2 617 subst.push_back(GetNewTabBackgroundCSS(tp, false)); // $3 618 subst.push_back(GetNewTabBackgroundCSS(tp, true)); // $4 619 subst.push_back(GetNewTabBackgroundTilingCSS(tp)); // $5 620 621 // Get our template. 622 static const base::StringPiece new_tab_theme_css( 623 ResourceBundle::GetSharedInstance().GetRawDataResource( 624 IDR_NEW_GUEST_TAB_THEME_CSS)); 625 626 // Create the string from our template and the replacements. 627 std::string full_css = ReplaceStringPlaceholders( 628 new_tab_theme_css, subst, NULL); 629 630 new_tab_guest_css_ = base::RefCountedString::TakeString(&full_css); 631 } 632 633 void NTPResourceCache::CreateNewTabCSS() { 634 ui::ThemeProvider* tp = ThemeServiceFactory::GetForProfile(profile_); 635 DCHECK(tp); 636 637 // Get our theme colors 638 SkColor color_background = 639 GetThemeColor(tp, ThemeProperties::COLOR_NTP_BACKGROUND); 640 SkColor color_text = GetThemeColor(tp, ThemeProperties::COLOR_NTP_TEXT); 641 SkColor color_link = GetThemeColor(tp, ThemeProperties::COLOR_NTP_LINK); 642 SkColor color_link_underline = 643 GetThemeColor(tp, ThemeProperties::COLOR_NTP_LINK_UNDERLINE); 644 645 SkColor color_section = 646 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION); 647 SkColor color_section_text = 648 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION_TEXT); 649 SkColor color_section_link = 650 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION_LINK); 651 SkColor color_section_link_underline = 652 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION_LINK_UNDERLINE); 653 SkColor color_section_header_text = 654 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION_HEADER_TEXT); 655 SkColor color_section_header_text_hover = 656 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION_HEADER_TEXT_HOVER); 657 SkColor color_section_header_rule = 658 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION_HEADER_RULE); 659 SkColor color_section_header_rule_light = 660 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION_HEADER_RULE_LIGHT); 661 SkColor color_text_light = 662 GetThemeColor(tp, ThemeProperties::COLOR_NTP_TEXT_LIGHT); 663 664 SkColor color_header = 665 GetThemeColor(tp, ThemeProperties::COLOR_NTP_HEADER); 666 // Generate a lighter color for the header gradients. 667 color_utils::HSL header_lighter; 668 color_utils::SkColorToHSL(color_header, &header_lighter); 669 header_lighter.l += (1 - header_lighter.l) * 0.33; 670 SkColor color_header_gradient_light = 671 color_utils::HSLToSkColor(header_lighter, SkColorGetA(color_header)); 672 673 // Generate section border color from the header color. See 674 // BookmarkBarView::Paint for how we do this for the bookmark bar 675 // borders. 676 SkColor color_section_border = 677 SkColorSetARGB(80, 678 SkColorGetR(color_header), 679 SkColorGetG(color_header), 680 SkColorGetB(color_header)); 681 682 // Generate the replacements. 683 std::vector<std::string> subst; 684 685 // Cache-buster for background. 686 subst.push_back( 687 profile_->GetPrefs()->GetString(prefs::kCurrentThemeID)); // $1 688 689 // Colors. 690 subst.push_back(SkColorToRGBAString(color_background)); // $2 691 subst.push_back(GetNewTabBackgroundCSS(tp, false)); // $3 692 subst.push_back(GetNewTabBackgroundCSS(tp, true)); // $4 693 subst.push_back(GetNewTabBackgroundTilingCSS(tp)); // $5 694 subst.push_back(SkColorToRGBAString(color_header)); // $6 695 subst.push_back(SkColorToRGBAString(color_header_gradient_light)); // $7 696 subst.push_back(SkColorToRGBAString(color_text)); // $8 697 subst.push_back(SkColorToRGBAString(color_link)); // $9 698 subst.push_back(SkColorToRGBAString(color_section)); // $10 699 subst.push_back(SkColorToRGBAString(color_section_border)); // $11 700 subst.push_back(SkColorToRGBAString(color_section_text)); // $12 701 subst.push_back(SkColorToRGBAString(color_section_link)); // $13 702 subst.push_back(SkColorToRGBAString(color_link_underline)); // $14 703 subst.push_back(SkColorToRGBAString(color_section_link_underline)); // $15 704 subst.push_back(SkColorToRGBAString(color_section_header_text)); // $16 705 subst.push_back(SkColorToRGBAString( 706 color_section_header_text_hover)); // $17 707 subst.push_back(SkColorToRGBAString(color_section_header_rule)); // $18 708 subst.push_back(SkColorToRGBAString( 709 color_section_header_rule_light)); // $19 710 subst.push_back(SkColorToRGBAString( 711 SkColorSetA(color_section_header_rule, 0))); // $20 712 subst.push_back(SkColorToRGBAString(color_text_light)); // $21 713 subst.push_back(SkColorToRGBComponents(color_section_border)); // $22 714 subst.push_back(SkColorToRGBComponents(color_text)); // $23 715 716 // Get our template. 717 static const base::StringPiece new_tab_theme_css( 718 ResourceBundle::GetSharedInstance().GetRawDataResource( 719 IDR_NEW_TAB_4_THEME_CSS)); 720 721 // Create the string from our template and the replacements. 722 std::string css_string; 723 css_string = ReplaceStringPlaceholders(new_tab_theme_css, subst, NULL); 724 new_tab_css_ = base::RefCountedString::TakeString(&css_string); 725 } 726
