content/worker/websharedworker_stub.h

   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
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_WORKER_WEBSHAREDWORKER_STUB_H_
   6 #define CONTENT_WORKER_WEBSHAREDWORKER_STUB_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "content/worker/websharedworkerclient_proxy.h"
  10 #include "content/worker/worker_webapplicationcachehost_impl.h"
  11 #include "ipc/ipc_listener.h"
  12 #include "third_party/WebKit/public/web/WebSharedWorker.h"
  13 #include "url/gurl.h"
  14
  15 namespace blink {
  16 class WebSharedWorker;
  17 }
  18
  19 namespace content {
  20
  21 class SharedWorkerDevToolsAgent;
  22
  23 // This class creates a WebSharedWorker, and translates incoming IPCs to the
  24 // appropriate WebSharedWorker APIs.
  25 class WebSharedWorkerStub : public IPC::Listener {
  26  public:
  27   WebSharedWorkerStub(const string16& name, int route_id,
  28                       const WorkerAppCacheInitInfo& appcache_init_info);
  29
  30   // IPC::Listener implementation.
  31   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  32   virtual void OnChannelError() OVERRIDE;
  33
  34   // Invoked when the WebSharedWorkerClientProxy is shutting down.
  35   void Shutdown();
  36
  37   // Called after terminating the worker context to make sure that the worker
  38   // actually terminates (is not stuck in an infinite loop).
  39   void EnsureWorkerContextTerminates();
  40
  41   WebSharedWorkerClientProxy* client() { return &client_; }
  42
  43   const WorkerAppCacheInitInfo& appcache_init_info() const {
  44     return appcache_init_info_;
  45   }
  46
  47   // Returns the script url of this worker.
  48   const GURL& url();
  49
  50
  51  private:
  52   virtual ~WebSharedWorkerStub();
  53
  54   void OnConnect(int sent_message_port_id, int routing_id);
  55   void OnStartWorkerContext(
  56       const GURL& url, const string16& user_agent, const string16& source_code,
  57       const string16& content_security_policy,
  58       blink::WebContentSecurityPolicyType policy_type);
  59
  60   void OnTerminateWorkerContext();
  61
  62   int route_id_;
  63   WorkerAppCacheInitInfo appcache_init_info_;
  64
  65   // WebSharedWorkerClient that responds to outgoing API calls
  66   // from the worker object.
  67   WebSharedWorkerClientProxy client_;
  68
  69   blink::WebSharedWorker* impl_;
  70   string16 name_;
  71   bool started_;
  72   GURL url_;
  73   scoped_ptr<SharedWorkerDevToolsAgent> worker_devtools_agent_;
  74
  75   typedef std::pair<int, int> PendingConnectInfo;
  76   typedef std::vector<PendingConnectInfo> PendingConnectInfoList;
  77   PendingConnectInfoList pending_connects_;
  78
  79   DISALLOW_COPY_AND_ASSIGN(WebSharedWorkerStub);
  80 };
  81
  82 }  // namespace content
  83
  84 #endif  // CONTENT_WORKER_WEBSHAREDWORKER_STUB_H_