content/worker/websharedworkerclient_proxy.h

   1 // Copyright (c) 2012 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_WORKER_WEBWORKERCLIENT_PROXY_H_
   6 #define CONTENT_WORKER_WEBWORKERCLIENT_PROXY_H_
   7 #pragma once
   8
   9 #include "base/basictypes.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "ipc/ipc_channel.h"
  12 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebFileSystem.h"
  13 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSharedWorkerClient.h"
  14
  15 namespace WebKit {
  16 class WebApplicationCacheHost;
  17 class WebApplicationCacheHostClient;
  18 class WebFrame;
  19 }
  20
  21 class SharedWorkerDevToolsAgent;
  22 class WebSharedWorkerStub;
  23
  24 // This class receives IPCs from the renderer and calls the WebCore::Worker
  25 // implementation (after the data types have been converted by glue code).  It
  26 // is also called by the worker code and converts these function calls into
  27 // IPCs that are sent to the renderer, where they're converted back to function
  28 // calls by WebWorkerProxy.
  29 class WebSharedWorkerClientProxy : public WebKit::WebSharedWorkerClient {
  30  public:
  31   WebSharedWorkerClientProxy(int route_id, WebSharedWorkerStub* stub);
  32   virtual ~WebSharedWorkerClientProxy();
  33
  34   // WebSharedWorkerClient implementation.
  35   virtual void postMessageToWorkerObject(
  36       const WebKit::WebString& message,
  37       const WebKit::WebMessagePortChannelArray& channel);
  38   virtual void postExceptionToWorkerObject(
  39       const WebKit::WebString& error_message,
  40       int line_number,
  41       const WebKit::WebString& source_url);
  42   // TODO(caseq): The overload before is obsolete and is preserved for
  43   // WebKit/chromium compatibility only (pure virtual is base class).
  44   // Should be removed once WebKit part is updated.
  45   virtual void postConsoleMessageToWorkerObject(
  46       int destination,
  47       int source,
  48       int type,
  49       int level,
  50       const WebKit::WebString& message,
  51       int line_number,
  52       const WebKit::WebString& source_url) {
  53   }
  54   virtual void postConsoleMessageToWorkerObject(
  55       int source,
  56       int type,
  57       int level,
  58       const WebKit::WebString& message,
  59       int line_number,
  60       const WebKit::WebString& source_url);
  61   virtual void confirmMessageFromWorkerObject(bool has_pending_activity);
  62   virtual void reportPendingActivity(bool has_pending_activity);
  63   virtual void workerContextClosed();
  64   virtual void workerContextDestroyed();
  65
  66   virtual WebKit::WebNotificationPresenter* notificationPresenter();
  67
  68   virtual WebKit::WebApplicationCacheHost* createApplicationCacheHost(
  69       WebKit::WebApplicationCacheHostClient* client);
  70
  71   virtual bool allowDatabase(WebKit::WebFrame* frame,
  72                              const WebKit::WebString& name,
  73                              const WebKit::WebString& display_name,
  74                              unsigned long estimated_size);
  75   virtual bool allowFileSystem();
  76   virtual void openFileSystem(WebKit::WebFileSystem::Type type,
  77                               long long size,
  78                               bool create,
  79                               WebKit::WebFileSystemCallbacks* callbacks);
  80   virtual void dispatchDevToolsMessage(const WebKit::WebString&);
  81   virtual void saveDevToolsAgentState(const WebKit::WebString&);
  82
  83   void EnsureWorkerContextTerminates();
  84
  85   void set_devtools_agent(SharedWorkerDevToolsAgent* devtools_agent) {
  86     devtools_agent_ = devtools_agent;
  87   }
  88
  89  private:
  90   bool Send(IPC::Message* message);
  91
  92   int route_id_;
  93   int appcache_host_id_;
  94   WebSharedWorkerStub* stub_;
  95   base::WeakPtrFactory<WebSharedWorkerClientProxy> weak_factory_;
  96   SharedWorkerDevToolsAgent* devtools_agent_;
  97
  98   DISALLOW_COPY_AND_ASSIGN(WebSharedWorkerClientProxy);
  99 };
 100
 101 #endif  // CONTENT_WORKER_WEBWORKERCLIENT_PROXY_H_