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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 #ifndef CHROME_BROWSER_UI_WEBUI_NTP_ANDROID_PROMO_HANDLER_H_ | |
6 #define CHROME_BROWSER_UI_WEBUI_NTP_ANDROID_PROMO_HANDLER_H_ | |
7 | |
8 #include "content/public/browser/notification_observer.h" | |
9 #include "content/public/browser/notification_registrar.h" | |
10 #include "content/public/browser/web_ui_message_handler.h" | |
11 | |
12 namespace base { | |
13 class DictionaryValue; | |
14 class ListValue; | |
15 } | |
16 | |
17 namespace user_prefs { | |
18 class PrefRegistrySyncable; | |
19 } | |
20 | |
21 // The handler for JavaScript messages related to the Android NTP promo. | |
22 class PromoHandler : public content::WebUIMessageHandler, | |
23 public content::NotificationObserver { | |
24 public: | |
25 PromoHandler(); | |
26 virtual ~PromoHandler(); | |
27 | |
28 // WebUIMessageHandler implementation. | |
29 virtual void RegisterMessages() OVERRIDE; | |
30 | |
31 // Register preferences. | |
32 static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); | |
33 | |
34 private: | |
35 // NotificationObserver override and implementation. | |
36 virtual void Observe(int type, | |
37 const content::NotificationSource& source, | |
38 const content::NotificationDetails& details) OVERRIDE; | |
39 | |
40 // Callback for the "promoSendEmail" message. | |
41 // |args| is a list [ subject, body, app-chooser-message ]. | |
42 void HandlePromoSendEmail(const base::ListValue* args); | |
43 | |
44 // Callback for the "promoActionTriggered" message. | |
45 // No arguments. | |
46 void HandlePromoActionTriggered(const base::ListValue* args); | |
47 | |
48 // Callback for the "promoDisabled" message. | |
49 // No arguments. | |
50 void HandlePromoDisabled(const base::ListValue* args); | |
51 | |
52 // Callback for the "getPromotions" message. | |
53 // No arguments. | |
54 void HandleGetPromotions(const base::ListValue* args); | |
55 | |
56 // Callback for the "recordImpression" message. | |
57 // |args| is a list with a name of a page to record an impression from. | |
58 void HandleRecordImpression(const base::ListValue* args); | |
59 | |
60 // Gathers the promotion information and updates the page. | |
61 void InjectPromoDecorations(); | |
62 | |
63 // Records an impression; could trigger a refresh if max_views are exceeded. | |
64 void RecordPromotionImpression(const std::string& id); | |
65 | |
66 // Fetches the active promotion and defines what should be passed to JS. | |
67 // Returns true if the promotion should be shown and the |result| is ready. | |
68 bool FetchPromotion(base::DictionaryValue* result); | |
69 | |
70 // Returns true if the Chrome Promo is allowed. | |
71 bool DoesChromePromoMatchCurrentSync( | |
72 bool promo_requires_sync, | |
73 bool promo_requires_no_active_desktop_sync_sessions); | |
74 | |
75 // Updates the profile preference if any desktop session was discovered. | |
76 void CheckDesktopSessions(); | |
77 | |
78 // Registrar to receive notification on promo changes. | |
79 content::NotificationRegistrar registrar_; | |
80 | |
81 DISALLOW_COPY_AND_ASSIGN(PromoHandler); | |
82 }; | |
83 | |
84 #endif // CHROME_BROWSER_UI_WEBUI_NTP_ANDROID_PROMO_HANDLER_H_ | |
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