Home | History | Annotate | Download | only in worker 
      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/child/scoped_child_process_reference.h"
     10 #include "content/worker/websharedworkerclient_proxy.h"
     11 #include "content/worker/worker_webapplicationcachehost_impl.h"
     12 #include "ipc/ipc_listener.h"
     13 #include "third_party/WebKit/public/web/WebSharedWorker.h"
     14 #include "url/gurl.h"
     15 
     16 namespace blink {
     17 class WebSharedWorker;
     18 }
     19 
     20 namespace content {
     21 
     22 class SharedWorkerDevToolsAgent;
     23 
     24 // This class creates a WebSharedWorker, and translates incoming IPCs to the
     25 // appropriate WebSharedWorker APIs.
     26 class WebSharedWorkerStub : public IPC::Listener {
     27  public:
     28   WebSharedWorkerStub(const base::string16& name, int route_id,
     29                       const WorkerAppCacheInitInfo& appcache_init_info);
     30 
     31   // IPC::Listener implementation.
     32   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
     33   virtual void OnChannelError() OVERRIDE;
     34 
     35   // Invoked when the WebSharedWorkerClientProxy is shutting down.
     36   void Shutdown();
     37 
     38   // Called after terminating the worker context to make sure that the worker
     39   // actually terminates (is not stuck in an infinite loop).
     40   void EnsureWorkerContextTerminates();
     41 
     42   WebSharedWorkerClientProxy* client() { return &client_; }
     43 
     44   const WorkerAppCacheInitInfo& appcache_init_info() const {
     45     return appcache_init_info_;
     46   }
     47 
     48   // Returns the script url of this worker.
     49   const GURL& url();
     50 
     51 
     52  private:
     53   virtual ~WebSharedWorkerStub();
     54 
     55   void OnConnect(int sent_message_port_id, int routing_id);
     56   void OnStartWorkerContext(
     57       const GURL& url, const base::string16& user_agent,
     58       const base::string16& source_code,
     59       const base::string16& content_security_policy,
     60       blink::WebContentSecurityPolicyType policy_type);
     61 
     62   void OnTerminateWorkerContext();
     63 
     64   ScopedChildProcessReference process_ref_;
     65 
     66   int route_id_;
     67   WorkerAppCacheInitInfo appcache_init_info_;
     68 
     69   // WebSharedWorkerClient that responds to outgoing API calls
     70   // from the worker object.
     71   WebSharedWorkerClientProxy client_;
     72 
     73   blink::WebSharedWorker* impl_;
     74   base::string16 name_;
     75   bool started_;
     76   GURL url_;
     77   scoped_ptr<SharedWorkerDevToolsAgent> worker_devtools_agent_;
     78 
     79   typedef std::pair<int, int> PendingConnectInfo;
     80   typedef std::vector<PendingConnectInfo> PendingConnectInfoList;
     81   PendingConnectInfoList pending_connects_;
     82 
     83   DISALLOW_COPY_AND_ASSIGN(WebSharedWorkerStub);
     84 };
     85 
     86 }  // namespace content
     87 
     88 #endif  // CONTENT_WORKER_WEBSHAREDWORKER_STUB_H_
     89