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)#ifndef CHROME_BROWSER_UI_WEBUI_NTP_NTP_RESOURCE_CACHE_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CHROME_BROWSER_UI_WEBUI_NTP_NTP_RESOURCE_CACHE_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/compiler_specific.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/ref_counted.h" 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/prefs/pref_change_registrar.h" 12868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/string16.h" 1390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#include "components/browser_context_keyed_service/browser_context_keyed_service.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_observer.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_registrar.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Profile; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace base { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class RefCountedMemory; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 233551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)namespace content { 243551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)class RenderProcessHost; 253551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)} 263551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This class keeps a cache of NTP resources (HTML and CSS) so we don't have to 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// regenerate them all the time. 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class NTPResourceCache : public content::NotificationObserver, 3090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) public BrowserContextKeyedService { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 323551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) enum WindowType { 333551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) NORMAL, 343551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) INCOGNITO, 353551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) GUEST, 363551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) }; 373551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit NTPResourceCache(Profile* profile); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~NTPResourceCache(); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 413551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) base::RefCountedMemory* GetNewTabHTML(WindowType win_type); 423551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) base::RefCountedMemory* GetNewTabCSS(WindowType win_type); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 44c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) void set_should_show_apps_page(bool should_show_apps_page) { 45c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) should_show_apps_page_ = should_show_apps_page; 46c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_should_show_most_visited_page(bool should_show_most_visited_page) { 482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) should_show_most_visited_page_ = should_show_most_visited_page; 492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_should_show_other_devices_menu(bool should_show_other_devices_menu) { 512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) should_show_other_devices_menu_ = should_show_other_devices_menu; 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_should_show_recently_closed_menu( 542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool should_show_recently_closed_menu) { 552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) should_show_recently_closed_menu_ = should_show_recently_closed_menu; 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // content::NotificationObserver interface. 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Observe(int type, 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const content::NotificationSource& source, 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const content::NotificationDetails& details) OVERRIDE; 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 623551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) static WindowType GetWindowType( 633551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) Profile* profile, content::RenderProcessHost* render_host); 643551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void OnPreferenceChanged(); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CreateNewTabHTML(); 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Helper to determine if the resource cache should be invalidated. 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is called on every page load, and can be used to check values that 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // don't generate a notification when changed (e.g., system preferences). 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool NewTabCacheNeedsRefresh(); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Profile* profile_; 762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<base::RefCountedMemory> new_tab_html_; 782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if !defined(OS_ANDROID) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns a message describing any newly-added sync types, or an empty 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // string if all types have already been acknowledged. 82a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) base::string16 GetSyncTypeMessage(); 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CreateNewTabIncognitoHTML(); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CreateNewTabIncognitoCSS(); 862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 873551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) void CreateNewTabGuestHTML(); 883551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) void CreateNewTabGuestCSS(); 893551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CreateNewTabCSS(); 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 923551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) scoped_refptr<base::RefCountedMemory> new_tab_guest_html_; 933551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) scoped_refptr<base::RefCountedMemory> new_tab_guest_css_; 942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<base::RefCountedMemory> new_tab_incognito_html_; 952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<base::RefCountedMemory> new_tab_incognito_css_; 962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<base::RefCountedMemory> new_tab_css_; 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::NotificationRegistrar registrar_; 98c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) PrefChangeRegistrar profile_pref_change_registrar_; 99c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) PrefChangeRegistrar local_state_pref_change_registrar_; 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Set based on platform_util::IsSwipeTrackingFromScrollEventsEnabled. 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool is_swipe_tracking_from_scroll_events_enabled_; 104c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Set based on NewTabUI::ShouldShowApps. 1052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool should_show_apps_page_; 1062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The next three all default to true and can be manually set, e.g., by the 1072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // chrome://apps page. 1082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool should_show_most_visited_page_; 1092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool should_show_other_devices_menu_; 1102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool should_show_recently_closed_menu_; 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(NTPResourceCache); 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CHROME_BROWSER_UI_WEBUI_NTP_NTP_RESOURCE_CACHE_H_ 116