src/content/child/service_worker/service_worker_dispatcher.h

   1 // Copyright 2013 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_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_
   6 #define CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_
   7
   8 #include "base/id_map.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/strings/string16.h"
  11 #include "third_party/WebKit/public/platform/WebServiceWorkerProvider.h"
  12 #include "webkit/child/worker_task_runner.h"
  13
  14 class GURL;
  15
  16 namespace WebKit {
  17 class WebURL;
  18 }
  19
  20 namespace IPC {
  21 class Message;
  22 }
  23
  24 namespace content {
  25 class ServiceWorkerMessageFilter;
  26 class ThreadSafeSender;
  27 class WebServiceWorkerImpl;
  28
  29 // This class manages communication with the browser process about
  30 // registration of the service worker, exposed to renderer and worker
  31 // scripts through methods like navigator.registerServiceWorker().
  32 class ServiceWorkerDispatcher : public webkit_glue::WorkerTaskRunner::Observer {
  33  public:
  34   explicit ServiceWorkerDispatcher(ThreadSafeSender* thread_safe_sender);
  35   virtual ~ServiceWorkerDispatcher();
  36
  37   void OnMessageReceived(const IPC::Message& msg);
  38   bool Send(IPC::Message* msg);
  39
  40   // Corresponds to navigator.registerServiceWorker()
  41   void RegisterServiceWorker(
  42       const GURL& pattern,
  43       const GURL& script_url,
  44       WebKit::WebServiceWorkerProvider::WebServiceWorkerCallbacks* callbacks);
  45   // Corresponds to navigator.unregisterServiceWorker()
  46   void UnregisterServiceWorker(
  47       const GURL& pattern,
  48       WebKit::WebServiceWorkerProvider::WebServiceWorkerCallbacks* callbacks);
  49
  50   // |thread_safe_sender| needs to be passed in because if the call leads to
  51   // construction it will be needed.
  52   static ServiceWorkerDispatcher* ThreadSpecificInstance(
  53       ThreadSafeSender* thread_safe_sender);
  54
  55  private:
  56   // webkit_glue::WorkerTaskRunner::Observer implementation.
  57   virtual void OnWorkerRunLoopStopped() OVERRIDE;
  58
  59   // The asynchronous success response to RegisterServiceWorker.
  60   void OnServiceWorkerRegistered(int32 thread_id,
  61                                  int32 request_id,
  62                                  int64 service_worker_id);
  63   // The asynchronous success response to UregisterServiceWorker.
  64   void OnServiceWorkerUnregistered(int32 thread_id, int32 request_id);
  65
  66   IDMap<WebKit::WebServiceWorkerProvider::WebServiceWorkerCallbacks,
  67         IDMapOwnPointer> pending_callbacks_;
  68
  69   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
  70
  71   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcher);
  72 };
  73
  74 }  // namespace content
  75
  76 #endif  // CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_