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chrome/browser/web_resource/promo_resource_service.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_WEB_RESOURCE_PROMO_RESOURCE_SERVICE_H_
 #define CHROME_BROWSER_WEB_RESOURCE_PROMO_RESOURCE_SERVICE_H_
 #pragma once
 
 #include <string>
 
+#include "base/memory/weak_ptr.h"
 #include "chrome/browser/web_resource/notification_promo.h"
 #include "chrome/browser/web_resource/web_resource_service.h"
 #include "chrome/common/chrome_version_info.h"
 
 namespace base {
-  class DictionaryValue;
+class DictionaryValue;
 }
 
 class AppsPromoLogoFetcher;
 class PrefService;
 class Profile;
 // A PromoResourceService fetches data from a web resource server to be used to
 // dynamically change the appearance of the New Tab Page. For example, it has
 // been used to fetch "tips" to be displayed on the NTP, or to display
 // promotional messages to certain groups of Chrome users.
 //
@@ skipping 47 matching lines @@
       PromoResourceServiceTest, UnpackWebStoreSignalHttpLogo);
 
   virtual ~PromoResourceService();
 
   int GetPromoServiceVersion();
 
   // Gets the locale of the last promos fetched from the server. This is saved
   // so we can fetch new data if the locale changes.
   std::string GetPromoLocale();
 
-  void Init();
-
   // Returns true if |builds_targeted| includes the release channel Chrome
   // belongs to. For testing purposes, you can override the current channel
   // with set_channel.
   bool IsBuildTargeted(int builds_targeted);
 
   // Schedule a notification that a web resource is either going to become
   // available or be no longer valid.
   void ScheduleNotification(double start, double end);
 
   // Schedules the initial notification for when the web resource is going
   // to become available or no longer valid. This performs a few additional
   // checks than ScheduleNotification, namely it schedules updates immediately
   // if the promo service or Chrome locale has changed.
   void ScheduleNotificationOnInit();
 
+  // If delay_ms is positive, schedule notification with the delay.
+  // If delay_ms is 0, notify immediately by calling WebResourceStateChange().
+  // If delay_ms is negative, do nothing.
+  void PostNotification(int64 delay_ms);
+
+  // Notify listeners that the state of a web resource has changed.
+  void PromoResourceStateChange();
+
   // Overrides the current Chrome release channel for testing purposes.
   void set_channel(chrome::VersionInfo::Channel channel) { channel_ = channel; }
 
   // WebResourceService override.
   virtual void Unpack(const base::DictionaryValue& parsed_json) OVERRIDE;
 
   // Unpack the web resource as a custom notification signal. Expects a start
   // and end signal, with the promo to be shown in the tooltip of the start
   // signal field. Delivery will be in json in the form of:
   // {
@@ skipping 121 matching lines @@
   // NotificationPromo::Delegate override.
   virtual void OnNotificationParsed(double start, double end,
                                     bool new_notification) OVERRIDE;
 
   // The profile this service belongs to.
   Profile* profile_;
 
   // Overrides the current Chrome release channel for testing purposes.
   chrome::VersionInfo::Channel channel_;
 
+  // Allows the creation of tasks to send a notification.
+  // This allows the PromoResourceService to notify the New Tab Page immediately
+  // when a new web resource should be shown or removed.
+  base::WeakPtrFactory<PromoResourceService> weak_ptr_factory_;
+
+  // Notification type when an update is done.
+  int notification_type_;
+
+  // True if a task has been set to update the cache when a new web resource
+  // becomes available.
+  bool web_resource_update_scheduled_;
+
   // A helper that downloads the promo logo.
   scoped_ptr<AppsPromoLogoFetcher> apps_promo_logo_fetcher_;
 
   DISALLOW_COPY_AND_ASSIGN(PromoResourceService);
 };
 
 #endif  // CHROME_BROWSER_WEB_RESOURCE_PROMO_RESOURCE_SERVICE_H_