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/WebServiceWorkerError.h"
  12 #include "third_party/WebKit/public/platform/WebServiceWorkerProvider.h"
  13 #include "webkit/child/worker_task_runner.h"
  14
  15 class GURL;
  16
  17 namespace blink {
  18 class WebURL;
  19 }
  20
  21 namespace IPC {
  22 class Message;
  23 }
  24
  25 namespace content {
  26 class ServiceWorkerMessageFilter;
  27 class ThreadSafeSender;
  28 class WebServiceWorkerImpl;
  29
  30 // This class manages communication with the browser process about
  31 // registration of the service worker, exposed to renderer and worker
  32 // scripts through methods like navigator.registerServiceWorker().
  33 class ServiceWorkerDispatcher : public webkit_glue::WorkerTaskRunner::Observer {
  34  public:
  35   explicit ServiceWorkerDispatcher(ThreadSafeSender* thread_safe_sender);
  36   virtual ~ServiceWorkerDispatcher();
  37
  38   void OnMessageReceived(const IPC::Message& msg);
  39   bool Send(IPC::Message* msg);
  40
  41   // Corresponds to navigator.registerServiceWorker()
  42   void RegisterServiceWorker(
  43       const GURL& pattern,
  44       const GURL& script_url,
  45       blink::WebServiceWorkerProvider::WebServiceWorkerCallbacks* callbacks);
  46   // Corresponds to navigator.unregisterServiceWorker()
  47   void UnregisterServiceWorker(
  48       const GURL& pattern,
  49       blink::WebServiceWorkerProvider::WebServiceWorkerCallbacks* callbacks);
  50
  51   // |thread_safe_sender| needs to be passed in because if the call leads to
  52   // construction it will be needed.
  53   static ServiceWorkerDispatcher* ThreadSpecificInstance(
  54       ThreadSafeSender* thread_safe_sender);
  55
  56  private:
  57   // webkit_glue::WorkerTaskRunner::Observer implementation.
  58   virtual void OnWorkerRunLoopStopped() OVERRIDE;
  59
  60   // The asynchronous success response to RegisterServiceWorker.
  61   void OnRegistered(int32 thread_id, int32 request_id, int64 registration_id);
  62   // The asynchronous success response to UregisterServiceWorker.
  63   void OnUnregistered(int32 thread_id,
  64                       int32 request_id);
  65   void OnRegistrationError(int32 thread_id,
  66                            int32 request_id,
  67                            blink::WebServiceWorkerError::ErrorType error_type,
  68                            const base::string16& message);
  69
  70   IDMap<blink::WebServiceWorkerProvider::WebServiceWorkerCallbacks,
  71         IDMapOwnPointer> pending_callbacks_;
  72
  73   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcher);
  76 };
  77
  78 }  // namespace content
  79
  80 #endif  // CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_