shared_worker_message_filter.h revision a1401311d1ab56c4ed0a474bd38c108f75cb0cd9 
1// Copyright 2014 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_SHARED_WORKER_SHARED_WORKER_MESSAGE_FILTER_H_
6#define CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_MESSAGE_FILTER_H_
7
8#include "content/browser/worker_host/worker_storage_partition.h"
9#include "content/common/content_export.h"
10#include "content/public/browser/browser_message_filter.h"
11
12class GURL;
13struct ViewHostMsg_CreateWorker_Params;
14
15namespace content {
16class MessagePortMessageFilter;
17class ResourceContext;
18
19// If "enable-embedded-shared-worker" is set this class will be used instead of
20// WorkerMessageFilter.
21class CONTENT_EXPORT SharedWorkerMessageFilter : public BrowserMessageFilter {
22 public:
23  SharedWorkerMessageFilter(int render_process_id,
24                            ResourceContext* resource_context,
25                            const WorkerStoragePartition& partition,
26                            MessagePortMessageFilter* message_port_filter);
27
28  // BrowserMessageFilter implementation.
29  virtual void OnChannelClosing() OVERRIDE;
30  virtual bool OnMessageReceived(const IPC::Message& message,
31                                 bool* message_was_ok) OVERRIDE;
32
33  int GetNextRoutingID();
34  int render_process_id() const { return render_process_id_; }
35
36  MessagePortMessageFilter* message_port_message_filter() const {
37    return message_port_message_filter_;
38  }
39
40 protected:
41  // This is protected, so we can define sub classes for testing.
42  virtual ~SharedWorkerMessageFilter();
43
44 private:
45  // Message handlers.
46  void OnCreateWorker(const ViewHostMsg_CreateWorker_Params& params,
47                      int* route_id);
48  void OnForwardToWorker(const IPC::Message& message);
49  void OnDocumentDetached(unsigned long long document_id);
50  void OnWorkerContextClosed(int worker_route_id);
51  void OnWorkerContextDestroyed(int worker_route_id);
52  void OnWorkerScriptLoaded(int worker_route_id);
53  void OnWorkerScriptLoadFailed(int worker_route_id);
54  void OnWorkerConnected(int message_port_id, int worker_route_id);
55  void OnAllowDatabase(int worker_route_id,
56                       const GURL& url,
57                       const base::string16& name,
58                       const base::string16& display_name,
59                       unsigned long estimated_size,
60                       bool* result);
61  void OnAllowFileSystem(int worker_route_id,
62                         const GURL& url,
63                         bool* result);
64  void OnAllowIndexedDB(int worker_route_id,
65                        const GURL& url,
66                        const base::string16& name,
67                        bool* result);
68
69  const int render_process_id_;
70  ResourceContext* const resource_context_;
71  const WorkerStoragePartition partition_;
72  MessagePortMessageFilter* const message_port_message_filter_;
73
74  DISALLOW_IMPLICIT_CONSTRUCTORS(SharedWorkerMessageFilter);
75};
76
77}  // namespace content
78
79#endif  // CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_MESSAGE_FILTER_H_
80