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