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
   8 #include "base/basictypes.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "ipc/ipc_channel.h"
  11 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebFileSystem.h"
  12 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSharedWorkerClient.h"
  13
  14 namespace WebKit {
  15 class WebApplicationCacheHost;
  16 class WebApplicationCacheHostClient;
  17 class WebFrame;
  18 }
  19
  20 class SharedWorkerDevToolsAgent;
  21 class WebSharedWorkerStub;
  22
  23 // This class receives IPCs from the renderer and calls the WebCore::Worker
  24 // implementation (after the data types have been converted by glue code).  It
  25 // is also called by the worker code and converts these function calls into
  26 // IPCs that are sent to the renderer, where they're converted back to function
  27 // calls by WebWorkerProxy.
  28 class WebSharedWorkerClientProxy : public WebKit::WebSharedWorkerClient {
  29  public:
  30   WebSharedWorkerClientProxy(int route_id, WebSharedWorkerStub* stub);
  31   virtual ~WebSharedWorkerClientProxy();
  32
  33   // WebSharedWorkerClient implementation.
  34   virtual void postMessageToWorkerObject(
  35       const WebKit::WebString& message,
  36       const WebKit::WebMessagePortChannelArray& channel);
  37   virtual void postExceptionToWorkerObject(
  38       const WebKit::WebString& error_message,
  39       int line_number,
  40       const WebKit::WebString& source_url);
  41   // TODO(caseq): The overload before is obsolete and is preserved for
  42   // WebKit/chromium compatibility only (pure virtual is base class).
  43   // Should be removed once WebKit part is updated.
  44   virtual void postConsoleMessageToWorkerObject(
  45       int destination,
  46       int source,
  47       int type,
  48       int level,
  49       const WebKit::WebString& message,
  50       int line_number,
  51       const WebKit::WebString& source_url) {
  52   }
  53   virtual void postConsoleMessageToWorkerObject(
  54       int source,
  55       int type,
  56       int level,
  57       const WebKit::WebString& message,
  58       int line_number,
  59       const WebKit::WebString& source_url);
  60   virtual void confirmMessageFromWorkerObject(bool has_pending_activity);
  61   virtual void reportPendingActivity(bool has_pending_activity);
  62   virtual void workerContextClosed();
  63   virtual void workerContextDestroyed();
  64
  65   virtual WebKit::WebNotificationPresenter* notificationPresenter();
  66
  67   virtual WebKit::WebApplicationCacheHost* createApplicationCacheHost(
  68       WebKit::WebApplicationCacheHostClient* client);
  69
  70   virtual bool allowDatabase(WebKit::WebFrame* frame,
  71                              const WebKit::WebString& name,
  72                              const WebKit::WebString& display_name,
  73                              unsigned long estimated_size);
  74   virtual bool allowFileSystem();
  75   virtual void openFileSystem(WebKit::WebFileSystem::Type type,
  76                               long long size,
  77                               bool create,
  78                               WebKit::WebFileSystemCallbacks* callbacks);
  79   virtual bool allowIndexedDB(const WebKit::WebString&);
  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_