new_tab_ui.cc revision 116680a4aac90f2aa7413d9095a592090648e557
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/webui/ntp/new_tab_ui.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <set> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/i18n/rtl.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/lazy_instance.h" 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/memory/scoped_ptr.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/metrics/histogram.h" 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/prefs/pref_service.h" 14868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/utf_string_conversions.h" 157dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "chrome/browser/chrome_notification_types.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/profiles/profile.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/webui/metrics_handler.h" 185c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "chrome/browser/ui/webui/ntp/app_launcher_handler.h" 195c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "chrome/browser/ui/webui/ntp/core_app_launcher_handler.h" 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/webui/ntp/favicon_webui_handler.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/webui/ntp/foreign_session_handler.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/webui/ntp/most_visited_handler.h" 235c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "chrome/browser/ui/webui/ntp/new_tab_page_handler.h" 245c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "chrome/browser/ui/webui/ntp/new_tab_page_sync_handler.h" 255c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "chrome/browser/ui/webui/ntp/ntp_login_handler.h" 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/webui/ntp/ntp_resource_cache.h" 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/webui/ntp/ntp_resource_cache_factory.h" 289ab5563a3196760eb381d102cbb2bc0f7abc6a50Ben Murdoch#include "chrome/browser/ui/webui/ntp/ntp_user_data_logger.h" 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/webui/ntp/recently_closed_tabs_handler.h" 305c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "chrome/browser/ui/webui/ntp/suggestions_page_handler.h" 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/common/pref_names.h" 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/common/url_constants.h" 33cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "components/pref_registry/pref_registry_syncable.h" 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_thread.h" 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_service.h" 36c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "content/public/browser/render_process_host.h" 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/render_view_host.h" 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "content/public/browser/url_data_source.h" 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/web_contents.h" 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/web_ui.h" 41116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#include "extensions/browser/extension_system.h" 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "grit/browser_resources.h" 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "grit/generated_resources.h" 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/l10n/l10n_util.h" 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#if defined(ENABLE_THEMES) 472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/browser/ui/webui/theme_handler.h" 482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif 492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 50c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#if defined(USE_ASH) 51c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "chrome/browser/ui/host_desktop.h" 52c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#endif 53c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::BrowserThread; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::RenderViewHost; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::WebUIController; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The amount of time there must be no painting for us to consider painting 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// finished. Observed times are in the ~1200ms range on Windows. 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const int kTimeoutMs = 2000; 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Strings sent to the page via jstemplates used to set the direction of the 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// HTML document based on locale. 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char kRTLHtmlTextDirection[] = "rtl"; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char kLTRHtmlTextDirection[] = "ltr"; 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static base::LazyInstance<std::set<const WebUIController*> > g_live_new_tabs; 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 71a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)const char* GetHtmlTextDirection(const base::string16& text) { 72d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) if (base::i18n::IsRTL() && base::i18n::StringContainsStrongRTLChars(text)) 73d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) return kRTLHtmlTextDirection; 74d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) else 75d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) return kLTRHtmlTextDirection; 76d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)} 77d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/////////////////////////////////////////////////////////////////////////////// 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// NewTabUI 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NewTabUI::NewTabUI(content::WebUI* web_ui) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : WebUIController(web_ui), 854e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) WebContentsObserver(web_ui->GetWebContents()), 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) showing_sync_bubble_(false) { 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_live_new_tabs.Pointer()->insert(this); 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) web_ui->OverrideTitle(l10n_util::GetStringUTF16(IDS_NEW_TAB_TITLE)); 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We count all link clicks as AUTO_BOOKMARK, so that site can be ranked more 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // highly. Note this means we're including clicks on not only most visited 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // thumbnails, but also clicks on recently bookmarked. 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) web_ui->SetLinkTransitionType(content::PAGE_TRANSITION_AUTO_BOOKMARK); 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch Profile* profile = GetProfile(); 96116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (!profile->IsOffTheRecord()) { 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) web_ui->AddMessageHandler(new browser_sync::ForeignSessionHandler()); 98f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) web_ui->AddMessageHandler(new MetricsHandler()); 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) web_ui->AddMessageHandler(new MostVisitedHandler()); 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) web_ui->AddMessageHandler(new RecentlyClosedTabsHandler()); 101a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch web_ui->AddMessageHandler(new FaviconWebUIHandler()); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) web_ui->AddMessageHandler(new NewTabPageHandler()); 103558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch web_ui->AddMessageHandler(new CoreAppLauncherHandler()); 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (NewTabUI::IsDiscoveryInNTPEnabled()) 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) web_ui->AddMessageHandler(new SuggestionsHandler()); 1062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) web_ui->AddMessageHandler(new NewTabPageSyncHandler()); 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 108116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch ExtensionService* service = 109116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch extensions::ExtensionSystem::Get(profile)->extension_service(); 1105c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // We might not have an ExtensionService (on ChromeOS when not logged in 1115c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // for example). 1125c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu if (service) 1135c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu web_ui->AddMessageHandler(new AppLauncherHandler(service)); 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 116116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (NTPLoginHandler::ShouldShow(profile)) 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) web_ui->AddMessageHandler(new NTPLoginHandler()); 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#if defined(ENABLE_THEMES) 1202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The theme handler can require some CPU, so do it after hooking up the most 1212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // visited handler. This allows the DB query for the new tab thumbs to happen 1222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // earlier. 1232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) web_ui->AddMessageHandler(new ThemeHandler()); 1242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif 1252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 126116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch scoped_ptr<NewTabHTMLSource> html_source( 127116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch new NewTabHTMLSource(profile->GetOriginalProfile())); 1282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // These two resources should be loaded only if suggestions NTP is enabled. 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) html_source->AddResource("suggestions_page.css", "text/css", 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NewTabUI::IsDiscoveryInNTPEnabled() ? IDR_SUGGESTIONS_PAGE_CSS : 0); 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (NewTabUI::IsDiscoveryInNTPEnabled()) { 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) html_source->AddResource("suggestions_page.js", "application/javascript", 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IDR_SUGGESTIONS_PAGE_JS); 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // content::URLDataSource assumes the ownership of the html_source. 137116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch content::URLDataSource::Add(profile, html_source.release()); 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 139116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch pref_change_registrar_.Init(profile->GetPrefs()); 1402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pref_change_registrar_.Add(prefs::kShowBookmarkBar, 1412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Bind(&NewTabUI::OnShowBookmarkBarChanged, 1422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Unretained(this))); 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NewTabUI::~NewTabUI() { 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_live_new_tabs.Pointer()->erase(this); 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The timer callback. If enough time has elapsed since the last paint 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// message, we say we're done painting; otherwise, we keep waiting. 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NewTabUI::PaintTimeout() { 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The amount of time there must be no painting for us to consider painting 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // finished. Observed times are in the ~1200ms range on Windows. 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeTicks now = base::TimeTicks::Now(); 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((now - last_paint_) >= base::TimeDelta::FromMilliseconds(kTimeoutMs)) { 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Painting has quieted down. Log this as the full time to run. 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeDelta load_time = last_paint_ - start_; 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UMA_HISTOGRAM_TIMES("NewTabUI load", load_time); 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Not enough quiet time has elapsed. 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Some more paints must've occurred since we set the timeout. 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Wait some more. 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) timer_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(kTimeoutMs), this, 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &NewTabUI::PaintTimeout); 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NewTabUI::StartTimingPaint(RenderViewHost* render_view_host) { 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) start_ = base::TimeTicks::Now(); 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_paint_ = start_; 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::NotificationSource source = 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::Source<content::RenderWidgetHost>(render_view_host); 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!registrar_.IsRegistered(this, 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::NOTIFICATION_RENDER_WIDGET_HOST_DID_UPDATE_BACKING_STORE, 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source)) { 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) registrar_.Add( 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) this, 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::NOTIFICATION_RENDER_WIDGET_HOST_DID_UPDATE_BACKING_STORE, 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source); 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) timer_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(kTimeoutMs), this, 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &NewTabUI::PaintTimeout); 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NewTabUI::RenderViewCreated(RenderViewHost* render_view_host) { 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StartTimingPaint(render_view_host); 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NewTabUI::RenderViewReused(RenderViewHost* render_view_host) { 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StartTimingPaint(render_view_host); 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1954e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)void NewTabUI::WasHidden() { 196a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) EmitNtpStatistics(); 1974e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)} 1984e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NewTabUI::Observe(int type, 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const content::NotificationSource& source, 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const content::NotificationDetails& details) { 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (type) { 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case content::NOTIFICATION_RENDER_WIDGET_HOST_DID_UPDATE_BACKING_STORE: { 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_paint_ = base::TimeTicks::Now(); 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(false) << "Unexpected notification: " << type; 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 212a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)void NewTabUI::EmitNtpStatistics() { 213a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) NTPUserDataLogger::GetOrCreateFromWebContents( 214a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) web_contents())->EmitNtpStatistics(); 2159ab5563a3196760eb381d102cbb2bc0f7abc6a50Ben Murdoch} 2169ab5563a3196760eb381d102cbb2bc0f7abc6a50Ben Murdoch 2172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void NewTabUI::OnShowBookmarkBarChanged() { 2185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::StringValue attached( 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetProfile()->GetPrefs()->GetBoolean(prefs::kShowBookmarkBar) ? 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "true" : "false"); 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) web_ui()->CallJavascriptFunction("ntp.setBookmarkBarAttached", attached); 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 2257dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdochvoid NewTabUI::RegisterProfilePrefs( 2267dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch user_prefs::PrefRegistrySyncable* registry) { 227a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) CoreAppLauncherHandler::RegisterProfilePrefs(registry); 2287dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch NewTabPageHandler::RegisterProfilePrefs(registry); 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (NewTabUI::IsDiscoveryInNTPEnabled()) 2307dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch SuggestionsHandler::RegisterProfilePrefs(registry); 2317dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch MostVisitedHandler::RegisterProfilePrefs(registry); 2327dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch browser_sync::ForeignSessionHandler::RegisterProfilePrefs(registry); 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NewTabUI::ShouldShowApps() { 237c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Ash shows apps in app list thus should not show apps page in NTP4. 2385c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#if defined(USE_ASH) 239c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return chrome::GetActiveDesktop() != chrome::HOST_DESKTOP_TYPE_ASH; 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 241c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return true; 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NewTabUI::IsDiscoveryInNTPEnabled() { 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(beaudoin): The flag was removed during a clean-up pass. We leave that 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // here to easily enable it back when we will explore this option again. 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 2535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void NewTabUI::SetUrlTitleAndDirection(base::DictionaryValue* dictionary, 254a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) const base::string16& title, 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const GURL& gurl) { 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) dictionary->SetString("url", gurl.spec()); 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool using_url_as_the_title = false; 259a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) base::string16 title_to_set(title); 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (title_to_set.empty()) { 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) using_url_as_the_title = true; 2625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) title_to_set = base::UTF8ToUTF16(gurl.spec()); 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We set the "dir" attribute of the title, so that in RTL locales, a LTR 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // title is rendered left-to-right and truncated from the right. For example, 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the title of http://msdn.microsoft.com/en-us/default.aspx is "MSDN: 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Microsoft developer network". In RTL locales, in the [New Tab] page, if 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the "dir" of this title is not specified, it takes Chrome UI's 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // directionality. So the title will be truncated as "soft developer 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // network". Setting the "dir" attribute as "ltr" renders the truncated title 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // as "MSDN: Microsoft D...". As another example, the title of 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // http://yahoo.com is "Yahoo!". In RTL locales, in the [New Tab] page, the 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // title will be rendered as "!Yahoo" if its "dir" attribute is not set to 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // "ltr". 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string direction; 277d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) if (using_url_as_the_title) 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) direction = kLTRHtmlTextDirection; 279d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) else 280d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) direction = GetHtmlTextDirection(title); 281d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) dictionary->SetString("title", title_to_set); 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) dictionary->SetString("direction", direction); 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 287a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)void NewTabUI::SetFullNameAndDirection(const base::string16& full_name, 288d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) base::DictionaryValue* dictionary) { 289d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) dictionary->SetString("full_name", full_name); 290d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) dictionary->SetString("full_name_direction", GetHtmlTextDirection(full_name)); 291d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)} 292d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 293d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)// static 2942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)NewTabUI* NewTabUI::FromWebUIController(WebUIController* ui) { 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!g_live_new_tabs.Pointer()->count(ui)) 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return static_cast<NewTabUI*>(ui); 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Profile* NewTabUI::GetProfile() const { 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return Profile::FromWebUI(web_ui()); 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/////////////////////////////////////////////////////////////////////////////// 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// NewTabHTMLSource 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NewTabUI::NewTabHTMLSource::NewTabHTMLSource(Profile* profile) 3082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : profile_(profile) { 3092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 311c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)std::string NewTabUI::NewTabHTMLSource::GetSource() const { 3122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return chrome::kChromeUINewTabHost; 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void NewTabUI::NewTabHTMLSource::StartDataRequest( 3162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const std::string& path, 317c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int render_process_id, 3185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int render_frame_id, 3192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const content::URLDataSource::GotDataCallback& callback) { 320e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch DCHECK_CURRENTLY_ON(BrowserThread::UI); 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::map<std::string, std::pair<std::string, int> >::iterator it = 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) resource_map_.find(path); 3245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (it != resource_map_.end()) { 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_refptr<base::RefCountedStaticMemory> resource_bytes( 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) it->second.second ? 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ResourceBundle::GetSharedInstance().LoadDataResourceBytes( 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) it->second.second) : 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new base::RefCountedStaticMemory); 330868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) callback.Run(resource_bytes.get()); 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!path.empty() && path[0] != '#') { 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // A path under new-tab was requested; it's likely a bad relative 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // URL from the new tab page, but in any case it's an error. 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED() << path << " should not have been requested on the NTP"; 338c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) callback.Run(NULL); 3395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 3405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 342c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) content::RenderProcessHost* render_host = 343c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) content::RenderProcessHost::FromID(render_process_id); 3443551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) NTPResourceCache::WindowType win_type = NTPResourceCache::GetWindowType( 3453551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) profile_, render_host); 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_refptr<base::RefCountedMemory> html_bytes( 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NTPResourceCacheFactory::GetForProfile(profile_)-> 3483551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) GetNewTabHTML(win_type)); 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 350868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) callback.Run(html_bytes.get()); 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::string NewTabUI::NewTabHTMLSource::GetMimeType(const std::string& resource) 3545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const { 3555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::map<std::string, std::pair<std::string, int> >::const_iterator it = 3565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) resource_map_.find(resource); 3575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (it != resource_map_.end()) 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return it->second.first; 3595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return "text/html"; 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NewTabUI::NewTabHTMLSource::ShouldReplaceExistingSource() const { 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool NewTabUI::NewTabHTMLSource::ShouldAddContentSecurityPolicy() const { 3672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 3682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NewTabUI::NewTabHTMLSource::AddResource(const char* resource, 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* mime_type, 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int resource_id) { 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(resource); 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(mime_type); 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) resource_map_[std::string(resource)] = 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::make_pair(std::string(mime_type), resource_id); 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NewTabUI::NewTabHTMLSource::~NewTabHTMLSource() {} 380