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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_SERVICE_WORKER_CACHE_STORAGE_DISPATCHER_HOST_H_ | |
6 #define CONTENT_BROWSER_SERVICE_WORKER_CACHE_STORAGE_DISPATCHER_HOST_H_ | |
7 | |
8 #include "content/public/browser/browser_message_filter.h" | |
9 | |
10 namespace content { | |
11 | |
12 class CacheStorageContextImpl; | |
13 class ServiceWorkerCacheListener; | |
14 | |
15 // Handles Cache Storage related messages sent to the browser process from | |
16 // child processes. One host instance exists per child process. All | |
17 // messages are processed on the IO thread. Currently, all messages are | |
18 // passed directly to the owned ServiceWorkerCacheListener instance, which | |
19 // in turn dispatches calls to the ServiceWorkerCacheStorageManager owned | |
20 // by the CacheStorageContextImpl for the entire browsing context. | |
21 // TODO(jsbell): Merge this with ServiceWorkerCacheListener crbug.com/439389 | |
22 class CONTENT_EXPORT CacheStorageDispatcherHost : public BrowserMessageFilter { | |
23 public: | |
24 CacheStorageDispatcherHost(); | |
25 | |
26 // Runs on UI thread. | |
27 void Init(CacheStorageContextImpl* context); | |
28 | |
29 // BrowserMessageFilter implementation | |
30 void OnDestruct() const override; | |
31 bool OnMessageReceived(const IPC::Message& message) override; | |
32 | |
33 private: | |
34 // Friends to allow OnDestruct() delegation | |
35 friend class BrowserThread; | |
36 friend class base::DeleteHelper<CacheStorageDispatcherHost>; | |
37 | |
38 ~CacheStorageDispatcherHost() override; | |
39 | |
40 // Called by Init() on IO thread. | |
41 void CreateCacheListener(CacheStorageContextImpl* context); | |
42 | |
43 scoped_ptr<ServiceWorkerCacheListener> cache_listener_; | |
44 | |
45 DISALLOW_COPY_AND_ASSIGN(CacheStorageDispatcherHost); | |
46 }; | |
47 | |
48 } // namespace content | |
49 | |
50 #endif // CONTENT_BROWSER_SERVICE_WORKER_CACHE_STORAGE_DISPATCHER_HOST_H_ | |
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