ntp_resource_cache.h revision 2a99a7e74a7f215066514fe81d2bfa6639d9eddd
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" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/string16.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/profiles/profile_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) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This class keeps a cache of NTP resources (HTML and CSS) so we don't have to 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// regenerate them all the time. 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class NTPResourceCache : public content::NotificationObserver, 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public ProfileKeyedService { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit NTPResourceCache(Profile* profile); 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~NTPResourceCache(); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::RefCountedMemory* GetNewTabHTML(bool is_incognito); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::RefCountedMemory* GetNewTabCSS(bool is_incognito); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_should_show_most_visited_page(bool should_show_most_visited_page) { 352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) should_show_most_visited_page_ = should_show_most_visited_page; 362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_should_show_other_devices_menu(bool should_show_other_devices_menu) { 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) should_show_other_devices_menu_ = should_show_other_devices_menu; 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_should_show_recently_closed_menu( 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool should_show_recently_closed_menu) { 422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) should_show_recently_closed_menu_ = should_show_recently_closed_menu; 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // content::NotificationObserver interface. 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Observe(int type, 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const content::NotificationSource& source, 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const content::NotificationDetails& details) OVERRIDE; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void OnPreferenceChanged(); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CreateNewTabHTML(); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Helper to determine if the resource cache should be invalidated. 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is called on every page load, and can be used to check values that 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // don't generate a notification when changed (e.g., system preferences). 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool NewTabCacheNeedsRefresh(); 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Profile* profile_; 602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<base::RefCountedMemory> new_tab_html_; 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if !defined(OS_ANDROID) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns a message describing any newly-added sync types, or an empty 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // string if all types have already been acknowledged. 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) string16 GetSyncTypeMessage(); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CreateNewTabIncognitoHTML(); 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CreateNewTabIncognitoCSS(); 712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CreateNewTabCSS(); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<base::RefCountedMemory> new_tab_incognito_html_; 752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<base::RefCountedMemory> new_tab_incognito_css_; 762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<base::RefCountedMemory> new_tab_css_; 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::NotificationRegistrar registrar_; 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PrefChangeRegistrar pref_change_registrar_; 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Set based on platform_util::IsSwipeTrackingFromScrollEventsEnabled. 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool is_swipe_tracking_from_scroll_events_enabled_; 832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Set based on extensions::IsAppLauncherEnabled. 842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool should_show_apps_page_; 852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The next three all default to true and can be manually set, e.g., by the 862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // chrome://apps page. 872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool should_show_most_visited_page_; 882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool should_show_other_devices_menu_; 892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool should_show_recently_closed_menu_; 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(NTPResourceCache); 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CHROME_BROWSER_UI_WEBUI_NTP_NTP_RESOURCE_CACHE_H_ 95