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