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1 // Copyright 2015 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 CONTENT_BROWSER_NOTIFICATIONS_NOTIFICATION_ID_GENERATOR_H_ | |
6 #define CONTENT_BROWSER_NOTIFICATIONS_NOTIFICATION_ID_GENERATOR_H_ | |
7 | |
8 #include <stdint.h> | |
9 #include <string> | |
10 | |
11 #include "content/common/content_export.h" | |
12 | |
13 class GURL; | |
14 | |
15 namespace content { | |
16 | |
17 class BrowserContext; | |
18 | |
19 // Generates deterministic notification ids for Web Notifications. | |
20 // | |
21 // The notification id must be deterministic for a given browser context, origin | |
22 // and tag, when the tag is non-empty, or unique for the given notification when | |
23 // the tag is empty. For non-persistent notifications, the uniqueness will be | |
24 // based on the render process id. For persistent notifications, the generated | |
25 // id will be globally unique for the lifetime of the notification database. | |
26 // | |
27 // Notifications of the same type coming from the same origin and having the | |
johnme
2015/05/29 09:34:57
"of the same type"? That's not what the code enfor
Peter Beverloo
2015/05/29 12:34:08
Done.
| |
28 // same tag will result in the same notification id being generated. This id may | |
29 // then be used to update the notification in the platform notification service. | |
30 // | |
31 // The notification id will be used by the notification service for determining | |
32 // when to replace notifications, and as the unique identifier when a | |
33 // notification has to be closed programmatically. | |
34 // | |
35 // It is important to note that, for persistent notifications, the generated | |
36 // notification id can outlive the browser process responsible for creating it. | |
37 class CONTENT_EXPORT NotificationIdGenerator { | |
38 public: | |
39 NotificationIdGenerator(BrowserContext* browser_context, | |
40 int render_process_id); | |
41 ~NotificationIdGenerator(); | |
42 | |
43 // Generates an id for a persistent notification given the notification's | |
44 // origin, tag and persistent notification id. The persistent notification id | |
45 // will have been created by the persistent notification database. | |
46 std::string GenerateForPersistentNotification( | |
47 const GURL& origin, | |
48 const std::string& tag, | |
49 int64_t persistent_notification_id) const; | |
50 | |
51 // Generates an id for a non-persistent notification given the notification's | |
52 // origin, tag and non-persistent notification id. The non-persistent | |
53 // notification id will have created by the renderer with |render_process_id|. | |
54 std::string GenerateForNonPersistentNotification( | |
55 const GURL& origin, | |
56 const std::string& tag, | |
57 int non_persistent_notification_id) const; | |
johnme
2015/05/29 09:34:57
Nit: I still find it a bit weird that you pass in
Peter Beverloo
2015/05/29 12:34:08
I'm going to leave it as it is in this patch, sinc
| |
58 | |
59 private: | |
60 // The NotificationMessageFilter that owns |this| will outlive the context. | |
61 BrowserContext* browser_context_; | |
62 | |
63 int render_process_id_; | |
64 }; | |
65 | |
66 } // namespace context | |
67 | |
68 #endif // CONTENT_BROWSER_NOTIFICATIONS_NOTIFICATION_ID_GENERATOR_H_ | |
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