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/google/google_util.h" 22 #include "chrome/browser/policy/browser_policy_connector.h" 23 #include "chrome/browser/profiles/profile.h" 24 #include "chrome/browser/search/search.h" 25 #include "chrome/browser/sync/profile_sync_service.h" 26 #include "chrome/browser/sync/profile_sync_service_factory.h" 27 #include "chrome/browser/themes/theme_properties.h" 28 #include "chrome/browser/themes/theme_service.h" 29 #include "chrome/browser/themes/theme_service_factory.h" 30 #include "chrome/browser/ui/app_list/app_list_util.h" 31 #include "chrome/browser/ui/bookmarks/bookmark_bar_constants.h" 32 #include "chrome/browser/ui/sync/sync_promo_ui.h" 33 #include "chrome/browser/ui/webui/ntp/new_tab_page_handler.h" 34 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h" 35 #include "chrome/browser/ui/webui/ntp/ntp_login_handler.h" 36 #include "chrome/browser/ui/webui/sync_setup_handler.h" 37 #include "chrome/browser/web_resource/notification_promo.h" 38 #include "chrome/common/chrome_switches.h" 39 #include "chrome/common/extensions/extension_constants.h" 40 #include "chrome/common/pref_names.h" 41 #include "chrome/common/url_constants.h" 42 #include "content/public/browser/browser_thread.h" 43 #include "content/public/browser/notification_service.h" 44 #include "content/public/browser/render_process_host.h" 45 #include "extensions/common/extension.h" 46 #include "grit/browser_resources.h" 47 #include "grit/chromium_strings.h" 48 #include "grit/generated_resources.h" 49 #include "grit/locale_settings.h" 50 #include "grit/theme_resources.h" 51 #include "ui/base/l10n/l10n_util.h" 52 #include "ui/base/resource/resource_bundle.h" 53 #include "ui/base/theme_provider.h" 54 #include "ui/base/webui/jstemplate_builder.h" 55 #include "ui/base/webui/web_ui_util.h" 56 #include "ui/gfx/animation/animation.h" 57 #include "ui/gfx/color_utils.h" 58 #include "ui/gfx/sys_color_change_listener.h" 59 60 #if defined(OS_CHROMEOS) 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 base::string16 GetUrlWithLang(const GURL& url) { 85 return ASCIIToUTF16(google_util::AppendGoogleLocaleParam(url).spec()); 86 } 87 88 std::string SkColorToRGBAString(SkColor color) { 89 // We convert the alpha using DoubleToString because StringPrintf will use 90 // locale specific formatters (e.g., use , instead of . in German). 91 return base::StringPrintf( 92 "rgba(%d,%d,%d,%s)", 93 SkColorGetR(color), 94 SkColorGetG(color), 95 SkColorGetB(color), 96 base::DoubleToString(SkColorGetA(color) / 255.0).c_str()); 97 } 98 99 // Creates an rgb string for an SkColor, but leaves the alpha blank so that the 100 // css can fill it in. 101 std::string SkColorToRGBComponents(SkColor color) { 102 return base::StringPrintf( 103 "%d,%d,%d", 104 SkColorGetR(color), 105 SkColorGetG(color), 106 SkColorGetB(color)); 107 } 108 109 SkColor GetThemeColor(ui::ThemeProvider* tp, int id) { 110 SkColor color = tp->GetColor(id); 111 // If web contents are being inverted because the system is in high-contrast 112 // mode, any system theme colors we use must be inverted too to cancel out. 113 return gfx::IsInvertedColorScheme() ? 114 color_utils::InvertColor(color) : color; 115 } 116 117 // Get the CSS string for the background position on the new tab page for the 118 // states when the bar is attached or detached. 119 std::string GetNewTabBackgroundCSS(const ui::ThemeProvider* theme_provider, 120 bool bar_attached) { 121 // TODO(glen): This is a quick workaround to hide the notused.png image when 122 // no image is provided - we don't have time right now to figure out why 123 // this is painting as white. 124 // http://crbug.com/17593 125 if (!theme_provider->HasCustomImage(IDR_THEME_NTP_BACKGROUND)) { 126 return "-64px"; 127 } 128 129 int alignment = theme_provider->GetDisplayProperty( 130 ThemeProperties::NTP_BACKGROUND_ALIGNMENT); 131 132 if (bar_attached) 133 return ThemeProperties::AlignmentToString(alignment); 134 135 if (alignment & ThemeProperties::ALIGN_TOP) { 136 // The bar is detached, so we must offset the background by the bar size 137 // if it's a top-aligned bar. 138 int offset = chrome::kNTPBookmarkBarHeight; 139 140 if (alignment & ThemeProperties::ALIGN_LEFT) 141 return "left " + base::IntToString(-offset) + "px"; 142 else if (alignment & ThemeProperties::ALIGN_RIGHT) 143 return "right " + base::IntToString(-offset) + "px"; 144 return "center " + base::IntToString(-offset) + "px"; 145 } 146 147 return ThemeProperties::AlignmentToString(alignment); 148 } 149 150 // How the background image on the new tab page should be tiled (see tiling 151 // masks in theme_service.h). 152 std::string GetNewTabBackgroundTilingCSS( 153 const ui::ThemeProvider* theme_provider) { 154 int repeat_mode = theme_provider->GetDisplayProperty( 155 ThemeProperties::NTP_BACKGROUND_TILING); 156 return ThemeProperties::TilingToString(repeat_mode); 157 } 158 159 } // namespace 160 161 NTPResourceCache::NTPResourceCache(Profile* profile) 162 : profile_(profile), is_swipe_tracking_from_scroll_events_enabled_(false), 163 should_show_apps_page_(NewTabUI::ShouldShowApps()), 164 should_show_most_visited_page_(true), 165 should_show_other_devices_menu_(true), 166 should_show_recently_closed_menu_(true) { 167 registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED, 168 content::Source<ThemeService>( 169 ThemeServiceFactory::GetForProfile(profile))); 170 registrar_.Add(this, chrome::NOTIFICATION_PROMO_RESOURCE_STATE_CHANGED, 171 content::NotificationService::AllSources()); 172 173 base::Closure callback = base::Bind(&NTPResourceCache::OnPreferenceChanged, 174 base::Unretained(this)); 175 176 // Watch for pref changes that cause us to need to invalidate the HTML cache. 177 profile_pref_change_registrar_.Init(profile_->GetPrefs()); 178 profile_pref_change_registrar_.Add(prefs::kSyncAcknowledgedSyncTypes, 179 callback); 180 profile_pref_change_registrar_.Add(prefs::kShowBookmarkBar, callback); 181 profile_pref_change_registrar_.Add(prefs::kNtpShownPage, callback); 182 profile_pref_change_registrar_.Add(prefs::kSignInPromoShowNTPBubble, 183 callback); 184 profile_pref_change_registrar_.Add(prefs::kHideWebStoreIcon, callback); 185 186 // Some tests don't have a local state. 187 #if defined(ENABLE_APP_LIST) 188 if (g_browser_process->local_state()) { 189 local_state_pref_change_registrar_.Init(g_browser_process->local_state()); 190 local_state_pref_change_registrar_.Add(prefs::kShowAppLauncherPromo, 191 callback); 192 local_state_pref_change_registrar_.Add( 193 prefs::kAppLauncherHasBeenEnabled, callback); 194 } 195 #endif 196 } 197 198 NTPResourceCache::~NTPResourceCache() {} 199 200 bool NTPResourceCache::NewTabCacheNeedsRefresh() { 201 #if defined(OS_MACOSX) 202 // Invalidate if the current value is different from the cached value. 203 bool is_enabled = platform_util::IsSwipeTrackingFromScrollEventsEnabled(); 204 if (is_enabled != is_swipe_tracking_from_scroll_events_enabled_) { 205 is_swipe_tracking_from_scroll_events_enabled_ = is_enabled; 206 return true; 207 } 208 #endif 209 bool should_show_apps_page = NewTabUI::ShouldShowApps(); 210 if (should_show_apps_page != should_show_apps_page_) { 211 should_show_apps_page_ = should_show_apps_page; 212 return true; 213 } 214 return false; 215 } 216 217 NTPResourceCache::WindowType NTPResourceCache::GetWindowType( 218 Profile* profile, content::RenderProcessHost* render_host) { 219 if (profile->IsGuestSession()) { 220 return NTPResourceCache::GUEST; 221 } else if (render_host) { 222 // Sometimes the |profile| is the parent (non-incognito) version of the user 223 // so we check the |render_host| if it is provided. 224 if (render_host->GetBrowserContext()->IsOffTheRecord()) 225 return NTPResourceCache::INCOGNITO; 226 } else if (profile->IsOffTheRecord()) { 227 return NTPResourceCache::INCOGNITO; 228 } 229 return NTPResourceCache::NORMAL; 230 } 231 232 base::RefCountedMemory* NTPResourceCache::GetNewTabHTML(WindowType win_type) { 233 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 234 if (win_type == GUEST) { 235 if (!new_tab_guest_html_.get()) 236 CreateNewTabGuestHTML(); 237 return new_tab_guest_html_.get(); 238 } else if (win_type == INCOGNITO) { 239 if (!new_tab_incognito_html_.get()) 240 CreateNewTabIncognitoHTML(); 241 return new_tab_incognito_html_.get(); 242 } else { 243 // Refresh the cached HTML if necessary. 244 // NOTE: NewTabCacheNeedsRefresh() must be called every time the new tab 245 // HTML is fetched, because it needs to initialize cached values. 246 if (NewTabCacheNeedsRefresh() || !new_tab_html_.get()) 247 CreateNewTabHTML(); 248 return new_tab_html_.get(); 249 } 250 } 251 252 base::RefCountedMemory* NTPResourceCache::GetNewTabCSS(WindowType win_type) { 253 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 254 if (win_type == GUEST) { 255 if (!new_tab_guest_css_.get()) 256 CreateNewTabGuestCSS(); 257 return new_tab_guest_css_.get(); 258 } else if (win_type == INCOGNITO) { 259 if (!new_tab_incognito_css_.get()) 260 CreateNewTabIncognitoCSS(); 261 return new_tab_incognito_css_.get(); 262 } else { 263 if (!new_tab_css_.get()) 264 CreateNewTabCSS(); 265 return new_tab_css_.get(); 266 } 267 } 268 269 void NTPResourceCache::Observe(int type, 270 const content::NotificationSource& source, 271 const content::NotificationDetails& details) { 272 // Invalidate the cache. 273 if (chrome::NOTIFICATION_BROWSER_THEME_CHANGED == type || 274 chrome::NOTIFICATION_PROMO_RESOURCE_STATE_CHANGED == type) { 275 new_tab_incognito_html_ = NULL; 276 new_tab_html_ = NULL; 277 new_tab_incognito_css_ = NULL; 278 new_tab_css_ = NULL; 279 } else { 280 NOTREACHED(); 281 } 282 } 283 284 void NTPResourceCache::OnPreferenceChanged() { 285 // A change occurred to one of the preferences we care about, so flush the 286 // cache. 287 new_tab_incognito_html_ = NULL; 288 new_tab_html_ = NULL; 289 new_tab_css_ = NULL; 290 } 291 292 void NTPResourceCache::CreateNewTabIncognitoHTML() { 293 DictionaryValue localized_strings; 294 localized_strings.SetString("title", 295 l10n_util::GetStringUTF16(IDS_NEW_TAB_TITLE)); 296 int new_tab_message_ids = IDS_NEW_TAB_OTR_MESSAGE; 297 int new_tab_html_idr = IDR_INCOGNITO_TAB_HTML; 298 const char* new_tab_link = kLearnMoreIncognitoUrl; 299 // TODO(altimofeev): consider implementation without 'if def' usage. 300 #if defined(OS_CHROMEOS) 301 if (CommandLine::ForCurrentProcess()->HasSwitch( 302 chromeos::switches::kGuestSession)) { 303 new_tab_message_ids = IDS_NEW_TAB_GUEST_SESSION_MESSAGE; 304 new_tab_html_idr = IDR_GUEST_SESSION_TAB_HTML; 305 new_tab_link = kLearnMoreGuestSessionUrl; 306 307 std::string enterprise_domain = 308 g_browser_process->browser_policy_connector()->GetEnterpriseDomain(); 309 if (!enterprise_domain.empty()) { 310 // Device is enterprise enrolled. 311 localized_strings.SetString("enterpriseInfoVisible", "true"); 312 base::string16 enterprise_info = l10n_util::GetStringFUTF16( 313 IDS_DEVICE_OWNED_BY_NOTICE, 314 UTF8ToUTF16(enterprise_domain)); 315 localized_strings.SetString("enterpriseInfoMessage", enterprise_info); 316 localized_strings.SetString("learnMore", 317 l10n_util::GetStringUTF16(IDS_LEARN_MORE)); 318 localized_strings.SetString("enterpriseInfoHintLink", 319 GetUrlWithLang(GURL(chrome::kLearnMoreEnterpriseURL))); 320 } else { 321 localized_strings.SetString("enterpriseInfoVisible", "false"); 322 } 323 } 324 #endif 325 localized_strings.SetString("content", 326 l10n_util::GetStringFUTF16(new_tab_message_ids, 327 GetUrlWithLang(GURL(new_tab_link)))); 328 localized_strings.SetString("extensionsmessage", 329 l10n_util::GetStringFUTF16( 330 IDS_NEW_TAB_OTR_EXTENSIONS_MESSAGE, 331 l10n_util::GetStringUTF16(IDS_PRODUCT_NAME), 332 ASCIIToUTF16(chrome::kChromeUIExtensionsURL))); 333 bool bookmark_bar_attached = profile_->GetPrefs()->GetBoolean( 334 prefs::kShowBookmarkBar); 335 localized_strings.SetBoolean("bookmarkbarattached", bookmark_bar_attached); 336 337 webui::SetFontAndTextDirection(&localized_strings); 338 339 static const base::StringPiece incognito_tab_html( 340 ResourceBundle::GetSharedInstance().GetRawDataResource( 341 new_tab_html_idr)); 342 343 std::string full_html = webui::GetI18nTemplateHtml( 344 incognito_tab_html, &localized_strings); 345 346 new_tab_incognito_html_ = base::RefCountedString::TakeString(&full_html); 347 } 348 349 void NTPResourceCache::CreateNewTabGuestHTML() { 350 DictionaryValue localized_strings; 351 localized_strings.SetString("title", 352 l10n_util::GetStringUTF16(IDS_NEW_TAB_TITLE)); 353 const char* new_tab_link = kLearnMoreGuestSessionUrl; 354 localized_strings.SetString("content", 355 l10n_util::GetStringFUTF16(IDS_NEW_TAB_GUEST_SESSION_MESSAGE, 356 GetUrlWithLang(GURL(new_tab_link)))); 357 358 webui::SetFontAndTextDirection(&localized_strings); 359 360 static const base::StringPiece guest_tab_html( 361 ResourceBundle::GetSharedInstance().GetRawDataResource( 362 IDR_GUEST_TAB_HTML)); 363 364 std::string full_html = webui::GetI18nTemplateHtml( 365 guest_tab_html, &localized_strings); 366 367 new_tab_guest_html_ = base::RefCountedString::TakeString(&full_html); 368 } 369 370 void NTPResourceCache::CreateNewTabHTML() { 371 // TODO(estade): these strings should be defined in their relevant handlers 372 // (in GetLocalizedValues) and should have more legible names. 373 // Show the profile name in the title and most visited labels if the current 374 // profile is not the default. 375 PrefService* prefs = profile_->GetPrefs(); 376 DictionaryValue load_time_data; 377 load_time_data.SetBoolean("bookmarkbarattached", 378 prefs->GetBoolean(prefs::kShowBookmarkBar)); 379 load_time_data.SetBoolean("hasattribution", 380 ThemeServiceFactory::GetForProfile(profile_)->HasCustomImage( 381 IDR_THEME_NTP_ATTRIBUTION)); 382 load_time_data.SetBoolean("showMostvisited", should_show_most_visited_page_); 383 load_time_data.SetBoolean("showAppLauncherPromo", 384 ShouldShowAppLauncherPromo()); 385 load_time_data.SetBoolean("showRecentlyClosed", 386 should_show_recently_closed_menu_); 387 load_time_data.SetString("title", 388 l10n_util::GetStringUTF16(IDS_NEW_TAB_TITLE)); 389 load_time_data.SetString("mostvisited", 390 l10n_util::GetStringUTF16(IDS_NEW_TAB_MOST_VISITED)); 391 load_time_data.SetString("suggestions", 392 l10n_util::GetStringUTF16(IDS_NEW_TAB_SUGGESTIONS)); 393 load_time_data.SetString("restoreThumbnailsShort", 394 l10n_util::GetStringUTF16(IDS_NEW_TAB_RESTORE_THUMBNAILS_SHORT_LINK)); 395 load_time_data.SetString("recentlyclosed", 396 l10n_util::GetStringUTF16(IDS_NEW_TAB_RECENTLY_CLOSED)); 397 load_time_data.SetString("webStoreTitle", 398 l10n_util::GetStringUTF16(IDS_EXTENSION_WEB_STORE_TITLE)); 399 load_time_data.SetString("webStoreTitleShort", 400 l10n_util::GetStringUTF16(IDS_EXTENSION_WEB_STORE_TITLE_SHORT)); 401 load_time_data.SetString("closedwindowsingle", 402 l10n_util::GetStringUTF16(IDS_NEW_TAB_RECENTLY_CLOSED_WINDOW_SINGLE)); 403 load_time_data.SetString("closedwindowmultiple", 404 l10n_util::GetStringUTF16(IDS_NEW_TAB_RECENTLY_CLOSED_WINDOW_MULTIPLE)); 405 load_time_data.SetString("attributionintro", 406 l10n_util::GetStringUTF16(IDS_NEW_TAB_ATTRIBUTION_INTRO)); 407 load_time_data.SetString("thumbnailremovednotification", 408 l10n_util::GetStringUTF16(IDS_NEW_TAB_THUMBNAIL_REMOVED_NOTIFICATION)); 409 load_time_data.SetString("undothumbnailremove", 410 l10n_util::GetStringUTF16(IDS_NEW_TAB_UNDO_THUMBNAIL_REMOVE)); 411 load_time_data.SetString("removethumbnailtooltip", 412 l10n_util::GetStringUTF16(IDS_NEW_TAB_REMOVE_THUMBNAIL_TOOLTIP)); 413 load_time_data.SetString("appuninstall", 414 l10n_util::GetStringUTF16(IDS_EXTENSIONS_UNINSTALL)); 415 load_time_data.SetString("appoptions", 416 l10n_util::GetStringUTF16(IDS_NEW_TAB_APP_OPTIONS)); 417 load_time_data.SetString("appdetails", 418 l10n_util::GetStringUTF16(IDS_NEW_TAB_APP_DETAILS)); 419 load_time_data.SetString("appcreateshortcut", 420 l10n_util::GetStringUTF16(IDS_NEW_TAB_APP_CREATE_SHORTCUT)); 421 load_time_data.SetString("appDefaultPageName", 422 l10n_util::GetStringUTF16(IDS_APP_DEFAULT_PAGE_NAME)); 423 load_time_data.SetString("applaunchtypepinned", 424 l10n_util::GetStringUTF16(IDS_APP_CONTEXT_MENU_OPEN_PINNED)); 425 load_time_data.SetString("applaunchtyperegular", 426 l10n_util::GetStringUTF16(IDS_APP_CONTEXT_MENU_OPEN_REGULAR)); 427 load_time_data.SetString("applaunchtypewindow", 428 l10n_util::GetStringUTF16(IDS_APP_CONTEXT_MENU_OPEN_WINDOW)); 429 load_time_data.SetString("applaunchtypefullscreen", 430 l10n_util::GetStringUTF16(IDS_APP_CONTEXT_MENU_OPEN_FULLSCREEN)); 431 load_time_data.SetString("syncpromotext", 432 l10n_util::GetStringUTF16(IDS_SYNC_START_SYNC_BUTTON_LABEL)); 433 load_time_data.SetString("syncLinkText", 434 l10n_util::GetStringUTF16(IDS_SYNC_ADVANCED_OPTIONS)); 435 load_time_data.SetBoolean("shouldShowSyncLogin", 436 NTPLoginHandler::ShouldShow(profile_)); 437 load_time_data.SetString("otherSessions", 438 l10n_util::GetStringUTF16(IDS_NEW_TAB_OTHER_SESSIONS_LABEL)); 439 load_time_data.SetString("otherSessionsEmpty", 440 l10n_util::GetStringUTF16(IDS_NEW_TAB_OTHER_SESSIONS_EMPTY)); 441 load_time_data.SetString("otherSessionsLearnMoreUrl", 442 l10n_util::GetStringUTF16(IDS_NEW_TAB_OTHER_SESSIONS_LEARN_MORE_URL)); 443 load_time_data.SetString("learnMore", 444 l10n_util::GetStringUTF16(IDS_LEARN_MORE)); 445 load_time_data.SetString("webStoreLink", 446 GetUrlWithLang(GURL(extension_urls::GetWebstoreLaunchURL()))); 447 load_time_data.SetString("appInstallHintText", 448 l10n_util::GetStringUTF16(IDS_NEW_TAB_APP_INSTALL_HINT_LABEL)); 449 load_time_data.SetBoolean("isDiscoveryInNTPEnabled", 450 NewTabUI::IsDiscoveryInNTPEnabled()); 451 load_time_data.SetString("collapseSessionMenuItemText", 452 l10n_util::GetStringUTF16(IDS_NEW_TAB_OTHER_SESSIONS_COLLAPSE_SESSION)); 453 load_time_data.SetString("expandSessionMenuItemText", 454 l10n_util::GetStringUTF16(IDS_NEW_TAB_OTHER_SESSIONS_EXPAND_SESSION)); 455 load_time_data.SetString("restoreSessionMenuItemText", 456 l10n_util::GetStringUTF16(IDS_NEW_TAB_OTHER_SESSIONS_OPEN_ALL)); 457 load_time_data.SetString("learn_more", 458 l10n_util::GetStringUTF16(IDS_LEARN_MORE)); 459 load_time_data.SetString("tile_grid_screenreader_accessible_description", 460 l10n_util::GetStringUTF16(IDS_NEW_TAB_TILE_GRID_ACCESSIBLE_DESCRIPTION)); 461 load_time_data.SetString("page_switcher_change_title", 462 l10n_util::GetStringUTF16(IDS_NEW_TAB_PAGE_SWITCHER_CHANGE_TITLE)); 463 load_time_data.SetString("page_switcher_same_title", 464 l10n_util::GetStringUTF16(IDS_NEW_TAB_PAGE_SWITCHER_SAME_TITLE)); 465 load_time_data.SetString("appsPromoTitle", 466 l10n_util::GetStringUTF16(IDS_NEW_TAB_PAGE_APPS_PROMO_TITLE)); 467 // On Mac OS X 10.7+, horizontal scrolling can be treated as a back or 468 // forward gesture. Pass through a flag that indicates whether or not that 469 // feature is enabled. 470 load_time_data.SetBoolean("isSwipeTrackingFromScrollEventsEnabled", 471 is_swipe_tracking_from_scroll_events_enabled_); 472 // Managed users can not have apps installed currently so there's no need to 473 // show the app cards. 474 if (profile_->IsManaged()) 475 should_show_apps_page_ = false; 476 477 load_time_data.SetBoolean("showApps", should_show_apps_page_); 478 load_time_data.SetBoolean("showWebStoreIcon", 479 !prefs->GetBoolean(prefs::kHideWebStoreIcon)); 480 481 bool streamlined_hosted_apps = CommandLine::ForCurrentProcess()->HasSwitch( 482 switches::kEnableStreamlinedHostedApps); 483 load_time_data.SetBoolean("enableStreamlinedHostedApps", 484 streamlined_hosted_apps); 485 // Use a different string for launching as a regular tab for streamlined 486 // hosted apps. 487 if (streamlined_hosted_apps) { 488 load_time_data.SetString("applaunchtypetab", 489 l10n_util::GetStringUTF16(IDS_APP_CONTEXT_MENU_OPEN_TAB)); 490 } 491 492 #if defined(OS_MACOSX) 493 load_time_data.SetBoolean( 494 "disableCreateAppShortcut", 495 !CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableAppShims)); 496 #endif 497 498 #if defined(OS_CHROMEOS) 499 load_time_data.SetString("expandMenu", 500 l10n_util::GetStringUTF16(IDS_NEW_TAB_CLOSE_MENU_EXPAND)); 501 #endif 502 503 NewTabPageHandler::GetLocalizedValues(profile_, &load_time_data); 504 NTPLoginHandler::GetLocalizedValues(profile_, &load_time_data); 505 506 webui::SetFontAndTextDirection(&load_time_data); 507 508 // Control fade and resize animations. 509 load_time_data.SetBoolean("anim", 510 gfx::Animation::ShouldRenderRichAnimation()); 511 512 ui::ThemeProvider* tp = ThemeServiceFactory::GetForProfile(profile_); 513 int alignment = tp->GetDisplayProperty( 514 ThemeProperties::NTP_BACKGROUND_ALIGNMENT); 515 load_time_data.SetString("themegravity", 516 (alignment & ThemeProperties::ALIGN_RIGHT) ? "right" : ""); 517 518 // Disable the promo if this is the first run, otherwise set the promo string 519 // for display if there is a valid outstanding promo. 520 if (first_run::IsChromeFirstRun()) { 521 NotificationPromo::HandleClosed(NotificationPromo::NTP_NOTIFICATION_PROMO); 522 } else { 523 NotificationPromo notification_promo; 524 notification_promo.InitFromPrefs(NotificationPromo::NTP_NOTIFICATION_PROMO); 525 if (notification_promo.CanShow()) { 526 load_time_data.SetString("notificationPromoText", 527 notification_promo.promo_text()); 528 DVLOG(1) << "Notification promo:" << notification_promo.promo_text(); 529 } 530 531 NotificationPromo bubble_promo; 532 bubble_promo.InitFromPrefs(NotificationPromo::NTP_BUBBLE_PROMO); 533 if (bubble_promo.CanShow()) { 534 load_time_data.SetString("bubblePromoText", 535 bubble_promo.promo_text()); 536 DVLOG(1) << "Bubble promo:" << bubble_promo.promo_text(); 537 } 538 } 539 540 // Determine whether to show the menu for accessing tabs on other devices. 541 bool show_other_sessions_menu = should_show_other_devices_menu_ && 542 !CommandLine::ForCurrentProcess()->HasSwitch( 543 switches::kDisableNTPOtherSessionsMenu); 544 load_time_data.SetBoolean("showOtherSessionsMenu", show_other_sessions_menu); 545 load_time_data.SetBoolean("isUserSignedIn", 546 !prefs->GetString(prefs::kGoogleServicesUsername).empty()); 547 548 // Load the new tab page appropriate for this build. 549 base::StringPiece new_tab_html(ResourceBundle::GetSharedInstance(). 550 GetRawDataResource(IDR_NEW_TAB_4_HTML)); 551 webui::UseVersion2 version2; 552 std::string full_html = 553 webui::GetI18nTemplateHtml(new_tab_html, &load_time_data); 554 new_tab_html_ = base::RefCountedString::TakeString(&full_html); 555 } 556 557 void NTPResourceCache::CreateNewTabIncognitoCSS() { 558 ui::ThemeProvider* tp = ThemeServiceFactory::GetForProfile(profile_); 559 DCHECK(tp); 560 561 // Get our theme colors 562 SkColor color_background = 563 GetThemeColor(tp, ThemeProperties::COLOR_NTP_BACKGROUND); 564 565 // Generate the replacements. 566 std::vector<std::string> subst; 567 568 // Cache-buster for background. 569 subst.push_back( 570 profile_->GetPrefs()->GetString(prefs::kCurrentThemeID)); // $1 571 572 // Colors. 573 subst.push_back(SkColorToRGBAString(color_background)); // $2 574 subst.push_back(GetNewTabBackgroundCSS(tp, false)); // $3 575 subst.push_back(GetNewTabBackgroundCSS(tp, true)); // $4 576 subst.push_back(GetNewTabBackgroundTilingCSS(tp)); // $5 577 578 // Get our template. 579 static const base::StringPiece new_tab_theme_css( 580 ResourceBundle::GetSharedInstance().GetRawDataResource( 581 IDR_NEW_INCOGNITO_TAB_THEME_CSS)); 582 583 // Create the string from our template and the replacements. 584 std::string full_css = ReplaceStringPlaceholders( 585 new_tab_theme_css, subst, NULL); 586 587 new_tab_incognito_css_ = base::RefCountedString::TakeString(&full_css); 588 } 589 590 void NTPResourceCache::CreateNewTabGuestCSS() { 591 ui::ThemeProvider* tp = ThemeServiceFactory::GetForProfile(profile_); 592 DCHECK(tp); 593 594 // Get our theme colors 595 SkColor color_background = 596 GetThemeColor(tp, ThemeProperties::COLOR_NTP_BACKGROUND); 597 598 // Generate the replacements. 599 std::vector<std::string> subst; 600 601 // Cache-buster for background. 602 subst.push_back( 603 profile_->GetPrefs()->GetString(prefs::kCurrentThemeID)); // $1 604 605 // Colors. 606 subst.push_back(SkColorToRGBAString(color_background)); // $2 607 subst.push_back(GetNewTabBackgroundCSS(tp, false)); // $3 608 subst.push_back(GetNewTabBackgroundCSS(tp, true)); // $4 609 subst.push_back(GetNewTabBackgroundTilingCSS(tp)); // $5 610 611 // Get our template. 612 static const base::StringPiece new_tab_theme_css( 613 ResourceBundle::GetSharedInstance().GetRawDataResource( 614 IDR_NEW_GUEST_TAB_THEME_CSS)); 615 616 // Create the string from our template and the replacements. 617 std::string full_css = ReplaceStringPlaceholders( 618 new_tab_theme_css, subst, NULL); 619 620 new_tab_guest_css_ = base::RefCountedString::TakeString(&full_css); 621 } 622 623 void NTPResourceCache::CreateNewTabCSS() { 624 ui::ThemeProvider* tp = ThemeServiceFactory::GetForProfile(profile_); 625 DCHECK(tp); 626 627 // Get our theme colors 628 SkColor color_background = 629 GetThemeColor(tp, ThemeProperties::COLOR_NTP_BACKGROUND); 630 SkColor color_text = GetThemeColor(tp, ThemeProperties::COLOR_NTP_TEXT); 631 SkColor color_link = GetThemeColor(tp, ThemeProperties::COLOR_NTP_LINK); 632 SkColor color_link_underline = 633 GetThemeColor(tp, ThemeProperties::COLOR_NTP_LINK_UNDERLINE); 634 635 SkColor color_section = 636 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION); 637 SkColor color_section_text = 638 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION_TEXT); 639 SkColor color_section_link = 640 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION_LINK); 641 SkColor color_section_link_underline = 642 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION_LINK_UNDERLINE); 643 SkColor color_section_header_text = 644 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION_HEADER_TEXT); 645 SkColor color_section_header_text_hover = 646 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION_HEADER_TEXT_HOVER); 647 SkColor color_section_header_rule = 648 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION_HEADER_RULE); 649 SkColor color_section_header_rule_light = 650 GetThemeColor(tp, ThemeProperties::COLOR_NTP_SECTION_HEADER_RULE_LIGHT); 651 SkColor color_text_light = 652 GetThemeColor(tp, ThemeProperties::COLOR_NTP_TEXT_LIGHT); 653 654 SkColor color_header = 655 GetThemeColor(tp, ThemeProperties::COLOR_NTP_HEADER); 656 // Generate a lighter color for the header gradients. 657 color_utils::HSL header_lighter; 658 color_utils::SkColorToHSL(color_header, &header_lighter); 659 header_lighter.l += (1 - header_lighter.l) * 0.33; 660 SkColor color_header_gradient_light = 661 color_utils::HSLToSkColor(header_lighter, SkColorGetA(color_header)); 662 663 // Generate section border color from the header color. See 664 // BookmarkBarView::Paint for how we do this for the bookmark bar 665 // borders. 666 SkColor color_section_border = 667 SkColorSetARGB(80, 668 SkColorGetR(color_header), 669 SkColorGetG(color_header), 670 SkColorGetB(color_header)); 671 672 // Generate the replacements. 673 std::vector<std::string> subst; 674 675 // Cache-buster for background. 676 subst.push_back( 677 profile_->GetPrefs()->GetString(prefs::kCurrentThemeID)); // $1 678 679 // Colors. 680 subst.push_back(SkColorToRGBAString(color_background)); // $2 681 subst.push_back(GetNewTabBackgroundCSS(tp, false)); // $3 682 subst.push_back(GetNewTabBackgroundCSS(tp, true)); // $4 683 subst.push_back(GetNewTabBackgroundTilingCSS(tp)); // $5 684 subst.push_back(SkColorToRGBAString(color_header)); // $6 685 subst.push_back(SkColorToRGBAString(color_header_gradient_light)); // $7 686 subst.push_back(SkColorToRGBAString(color_text)); // $8 687 subst.push_back(SkColorToRGBAString(color_link)); // $9 688 subst.push_back(SkColorToRGBAString(color_section)); // $10 689 subst.push_back(SkColorToRGBAString(color_section_border)); // $11 690 subst.push_back(SkColorToRGBAString(color_section_text)); // $12 691 subst.push_back(SkColorToRGBAString(color_section_link)); // $13 692 subst.push_back(SkColorToRGBAString(color_link_underline)); // $14 693 subst.push_back(SkColorToRGBAString(color_section_link_underline)); // $15 694 subst.push_back(SkColorToRGBAString(color_section_header_text)); // $16 695 subst.push_back(SkColorToRGBAString( 696 color_section_header_text_hover)); // $17 697 subst.push_back(SkColorToRGBAString(color_section_header_rule)); // $18 698 subst.push_back(SkColorToRGBAString( 699 color_section_header_rule_light)); // $19 700 subst.push_back(SkColorToRGBAString( 701 SkColorSetA(color_section_header_rule, 0))); // $20 702 subst.push_back(SkColorToRGBAString(color_text_light)); // $21 703 subst.push_back(SkColorToRGBComponents(color_section_border)); // $22 704 subst.push_back(SkColorToRGBComponents(color_text)); // $23 705 706 // Get our template. 707 static const base::StringPiece new_tab_theme_css( 708 ResourceBundle::GetSharedInstance().GetRawDataResource( 709 IDR_NEW_TAB_4_THEME_CSS)); 710 711 // Create the string from our template and the replacements. 712 std::string css_string; 713 css_string = ReplaceStringPlaceholders(new_tab_theme_css, subst, NULL); 714 new_tab_css_ = base::RefCountedString::TakeString(&css_string); 715 } 716
