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Side by Side Diff: content/renderer/dom_storage/dom_storage_dispatcher.h

Issue 10383123: Switch to using the async DomStorage IPC messages and add a caching layer … (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 8 years, 6 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CONTENT_RENDERER_DOM_STORAGE_DOM_STORAGE_DISPATCHER_H_ 5 #ifndef CONTENT_RENDERER_DOM_STORAGE_DOM_STORAGE_DISPATCHER_H_
6 #define CONTENT_RENDERER_DOM_STORAGE_DOM_STORAGE_DISPATCHER_H_ 6 #define CONTENT_RENDERER_DOM_STORAGE_DOM_STORAGE_DISPATCHER_H_
7 #pragma once 7 #pragma once
8 8
9 #include "ipc/ipc_channel.h" 9 #include "base/memory/ref_counted.h"
10 10
11 class GURL;
11 struct DOMStorageMsg_Event_Params; 12 struct DOMStorageMsg_Event_Params;
13 namespace dom_storage {
14 class DomStorageCachedArea;
15 }
16 namespace IPC {
17 class Message;
18 }
12 19
13 // Dispatches DomStorage related messages sent to a renderer process from the 20 // Dispatches DomStorage related messages sent to a renderer process from the
14 // main browser process. There is one instance per child process. Messages 21 // main browser process. There is one instance per child process. Messages
15 // are dispatched on the main renderer thread. The RenderThreadImpl 22 // are dispatched on the main renderer thread. The RenderThreadImpl
16 // creates an instance and delegates calls to it. 23 // creates an instance and delegates calls to it. This classes also manages
17 class DomStorageDispatcher : public IPC::Channel::Listener { 24 // the collection of DomStorageCachedAreas that are active in the process.
25 class DomStorageDispatcher {
18 public: 26 public:
19 DomStorageDispatcher() {} 27 DomStorageDispatcher();
28 ~DomStorageDispatcher();
20 29
21 // IPC::Channel::Listener implementation 30 // Each call to open should be balanced with a call to close.
22 virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE; 31 scoped_refptr<dom_storage::DomStorageCachedArea> OpenCachedArea(
32 int connection_id, int64 namespace_id, const GURL& origin);
33 void CloseCachedArea(
34 int connection_id, dom_storage::DomStorageCachedArea* area);
35
36 bool OnMessageReceived(const IPC::Message& msg);
23 37
24 private: 38 private:
39 class ProxyImpl;
40
25 // IPC message handlers 41 // IPC message handlers
26 void OnStorageEvent(const DOMStorageMsg_Event_Params& params); 42 void OnStorageEvent(const DOMStorageMsg_Event_Params& params);
43 void OnAsyncOperationComplete(bool success);
44
45 scoped_refptr<ProxyImpl> proxy_;
27 }; 46 };
28 47
29 #endif // CONTENT_RENDERER_DOM_STORAGE_DOM_STORAGE_DISPATCHER_H_ 48 #endif // CONTENT_RENDERER_DOM_STORAGE_DOM_STORAGE_DISPATCHER_H_
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