[Background Sync] Use Mojo IPC to fire background sync events

content/renderer/service_worker/service_worker_script_context.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CONTEXT_H_
 #define CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CONTEXT_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/id_map.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "content/child/webmessageportchannel_impl.h"
+#include "content/common/background_sync_service.mojom.h"
 #include "content/common/service_worker/service_worker_types.h"
 #include "third_party/WebKit/public/platform/WebGeofencingEventType.h"
 #include "third_party/WebKit/public/platform/WebMessagePortChannel.h"
 #include "third_party/WebKit/public/platform/WebServiceWorkerClientsClaimCallbacks.h"
 #include "third_party/WebKit/public/platform/WebServiceWorkerClientsInfo.h"
 #include "third_party/WebKit/public/platform/WebServiceWorkerError.h"
 #include "third_party/WebKit/public/platform/WebServiceWorkerEventResult.h"
 #include "third_party/WebKit/public/platform/WebServiceWorkerSkipWaitingCallbacks.h"
 
 namespace blink {
 struct WebCircularGeofencingRegion;
 struct WebCrossOriginServiceWorkerClient;
 struct WebServiceWorkerClientQueryOptions;
 class WebServiceWorkerContextProxy;
 }
 
 namespace IPC {
 class Message;
 }
 
 namespace content {
 
 class EmbeddedWorkerContextClient;
 class WebServiceWorkerRegistrationImpl;
 struct NavigatorConnectClient;
 struct PlatformNotificationData;
 struct ServiceWorkerClientInfo;
 
+using SyncCallback = mojo::Callback<void(BackgroundSyncEventStatus)>;
+
 // TODO(kinuko): This should implement WebServiceWorkerContextClient
 // rather than having EmbeddedWorkerContextClient implement it.
 // See the header comment in embedded_worker_context_client.h for the
 // potential EW/SW layering concerns.
 class ServiceWorkerScriptContext {
  public:
   ServiceWorkerScriptContext(
       EmbeddedWorkerContextClient* embedded_context,
       blink::WebServiceWorkerContextProxy* proxy);
   ~ServiceWorkerScriptContext();
@@ skipping 39 matching lines @@
   void StashMessagePort(blink::WebMessagePortChannel* channel,
                         const base::string16& name);
 
   // Send a message to the browser. Takes ownership of |message|.
   void Send(IPC::Message* message);
 
   // Get routing_id for sending message to the ServiceWorkerVersion
   // in the browser process.
   int GetRoutingID() const;
 
+  void DispatchSyncEvent(const SyncCallback& callbacks);
+
  private:
   typedef IDMap<blink::WebServiceWorkerClientsCallbacks, IDMapOwnPointer>
       ClientsCallbacksMap;
   typedef IDMap<blink::WebServiceWorkerClientsClaimCallbacks, IDMapOwnPointer>
       ClaimClientsCallbacksMap;
   typedef IDMap<blink::WebServiceWorkerClientCallbacks, IDMapOwnPointer>
       ClientCallbacksMap;
   typedef IDMap<blink::WebServiceWorkerSkipWaitingCallbacks, IDMapOwnPointer>
       SkipWaitingCallbacksMap;
+  typedef IDMap<const mojo::Callback<void(BackgroundSyncEventStatus)>,
+                IDMapExternalPointer> SyncEventCallbacksMap;
 
   void OnActivateEvent(int request_id);
   void OnInstallEvent(int request_id);
   void OnFetchEvent(int request_id, const ServiceWorkerFetchRequest& request);
-  void OnSyncEvent(int request_id);
   void OnNotificationClickEvent(
       int request_id,
       int64_t persistent_notification_id,
       const PlatformNotificationData& notification_data);
   void OnPushEvent(int request_id, const std::string& data);
   void OnGeofencingEvent(int request_id,
                          blink::WebGeofencingEventType event_type,
                          const std::string& region_id,
                          const blink::WebCircularGeofencingRegion& region);
   void OnCrossOriginConnectEvent(int request_id,
@@ skipping 41 matching lines @@
 
   // Pending callbacks for OpenWindow() and FocusClient().
   ClientCallbacksMap pending_client_callbacks_;
 
   // Pending callbacks for SkipWaiting().
   SkipWaitingCallbacksMap pending_skip_waiting_callbacks_;
 
   // Pending callbacks for ClaimClients().
   ClaimClientsCallbacksMap pending_claim_clients_callbacks_;
 
+  // Pending callbacks for Background Sync Events
+  SyncEventCallbacksMap sync_event_callbacks_;
+
   // Capture timestamps for UMA
   std::map<int, base::TimeTicks> activate_start_timings_;
   std::map<int, base::TimeTicks> fetch_start_timings_;
   std::map<int, base::TimeTicks> install_start_timings_;
   std::map<int, base::TimeTicks> notification_click_start_timings_;
   std::map<int, base::TimeTicks> push_start_timings_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerScriptContext);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CONTEXT_H_