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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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