src/content/renderer/service_worker/service_worker_script_context.h

   1 // Copyright 2014 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_RENDERER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CONTEXT_H_
   6 #define CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CONTEXT_H_
   7
   8 #include <map>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/basictypes.h"
  13 #include "base/id_map.h"
  14 #include "base/memory/scoped_ptr.h"
  15 #include "base/strings/string16.h"
  16 #include "base/time/time.h"
  17 #include "content/child/webmessageportchannel_impl.h"
  18 #include "content/common/service_worker/service_worker_types.h"
  19 #include "content/renderer/service_worker/service_worker_cache_storage_dispatcher.h"
  20 #include "third_party/WebKit/public/platform/WebGeofencingEventType.h"
  21 #include "third_party/WebKit/public/platform/WebMessagePortChannel.h"
  22 #include "third_party/WebKit/public/platform/WebServiceWorkerClientsInfo.h"
  23 #include "third_party/WebKit/public/platform/WebServiceWorkerEventResult.h"
  24
  25 namespace blink {
  26 struct WebCircularGeofencingRegion;
  27 class WebServiceWorkerContextProxy;
  28 }
  29
  30 namespace IPC {
  31 class Message;
  32 }
  33
  34 namespace content {
  35
  36 class EmbeddedWorkerContextClient;
  37
  38 // TODO(kinuko): This should implement WebServiceWorkerContextClient
  39 // rather than having EmbeddedWorkerContextClient implement it.
  40 // See the header comment in embedded_worker_context_client.h for the
  41 // potential EW/SW layering concerns.
  42 class ServiceWorkerScriptContext {
  43  public:
  44   ServiceWorkerScriptContext(
  45       EmbeddedWorkerContextClient* embedded_context,
  46       blink::WebServiceWorkerContextProxy* proxy);
  47   ~ServiceWorkerScriptContext();
  48
  49   void OnMessageReceived(const IPC::Message& message);
  50
  51   void DidHandleActivateEvent(int request_id,
  52                               blink::WebServiceWorkerEventResult);
  53   void DidHandleInstallEvent(int request_id,
  54                              blink::WebServiceWorkerEventResult result);
  55   void DidHandleFetchEvent(int request_id,
  56                            ServiceWorkerFetchEventResult result,
  57                            const ServiceWorkerResponse& response);
  58   void DidHandleSyncEvent(int request_id);
  59   void GetClientDocuments(
  60       blink::WebServiceWorkerClientsCallbacks* callbacks);
  61   void PostMessageToDocument(
  62       int client_id,
  63       const base::string16& message,
  64       scoped_ptr<blink::WebMessagePortChannelArray> channels);
  65
  66   // Send a message to the browser. Takes ownership of |message|.
  67   void Send(IPC::Message* message);
  68
  69   // Get routing_id for sending message to the ServiceWorkerVersion
  70   // in the browser process.
  71   int GetRoutingID() const;
  72
  73   blink::WebServiceWorkerCacheStorage* cache_storage() {
  74     return cache_storage_dispatcher_.get();
  75   }
  76
  77  private:
  78   typedef IDMap<blink::WebServiceWorkerClientsCallbacks, IDMapOwnPointer>
  79       ClientsCallbacksMap;
  80
  81
  82   void OnActivateEvent(int request_id);
  83   void OnInstallEvent(int request_id, int active_version_id);
  84   void OnFetchEvent(int request_id, const ServiceWorkerFetchRequest& request);
  85   void OnSyncEvent(int request_id);
  86   void OnPushEvent(int request_id, const std::string& data);
  87   void OnGeofencingEvent(int request_id,
  88                          blink::WebGeofencingEventType event_type,
  89                          const std::string& region_id,
  90                          const blink::WebCircularGeofencingRegion& region);
  91   void OnPostMessage(const base::string16& message,
  92                      const std::vector<int>& sent_message_port_ids,
  93                      const std::vector<int>& new_routing_ids);
  94   void OnDidGetClientDocuments(
  95       int request_id, const std::vector<int>& client_ids);
  96
  97   scoped_ptr<ServiceWorkerCacheStorageDispatcher> cache_storage_dispatcher_;
  98
  99   // Not owned; embedded_context_ owns this.
 100   EmbeddedWorkerContextClient* embedded_context_;
 101
 102   // Not owned; this object is destroyed when proxy_ becomes invalid.
 103   blink::WebServiceWorkerContextProxy* proxy_;
 104
 105   // Used for incoming messages from the browser for which an outgoing response
 106   // back to the browser is expected, the id must be sent back with the
 107   // response.
 108   int current_request_id_;
 109
 110   // Pending callbacks for GetClientDocuments().
 111   ClientsCallbacksMap pending_clients_callbacks_;
 112
 113   // Capture timestamps for UMA
 114   std::map<int, base::TimeTicks> activate_start_timings_;
 115   std::map<int, base::TimeTicks> fetch_start_timings_;
 116   std::map<int, base::TimeTicks> install_start_timings_;
 117
 118   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerScriptContext);
 119 };
 120
 121 }  // namespace content
 122
 123 #endif  // CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CONTEXT_H_