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 namespace content {
  21
  22 class SharedWorkerDevToolsAgent;
  23 class WebSharedWorkerStub;
  24
  25 // This class receives IPCs from the renderer and calls the WebCore::Worker
  26 // implementation (after the data types have been converted by glue code).  It
  27 // is also called by the worker code and converts these function calls into
  28 // IPCs that are sent to the renderer, where they're converted back to function
  29 // calls by WebWorkerProxy.
  30 class WebSharedWorkerClientProxy : public WebKit::WebSharedWorkerClient {
  31  public:
  32   WebSharedWorkerClientProxy(int route_id, WebSharedWorkerStub* stub);
  33   virtual ~WebSharedWorkerClientProxy();
  34
  35   // WebSharedWorkerClient implementation.
  36   virtual void postMessageToWorkerObject(
  37       const WebKit::WebString& message,
  38       const WebKit::WebMessagePortChannelArray& channel);
  39   virtual void postExceptionToWorkerObject(
  40       const WebKit::WebString& error_message,
  41       int line_number,
  42       const WebKit::WebString& source_url);
  43   // TODO(caseq): The overload before is obsolete and is preserved for
  44   // WebKit/chromium compatibility only (pure virtual is base class).
  45   // Should be removed once WebKit part is updated.
  46   virtual void postConsoleMessageToWorkerObject(
  47       int destination,
  48       int source,
  49       int type,
  50       int level,
  51       const WebKit::WebString& message,
  52       int line_number,
  53       const WebKit::WebString& source_url) {
  54   }
  55   virtual void postConsoleMessageToWorkerObject(
  56       int source,
  57       int type,
  58       int level,
  59       const WebKit::WebString& message,
  60       int line_number,
  61       const WebKit::WebString& source_url);
  62   virtual void confirmMessageFromWorkerObject(bool has_pending_activity);
  63   virtual void reportPendingActivity(bool has_pending_activity);
  64   virtual void workerContextClosed();
  65   virtual void workerContextDestroyed();
  66
  67   virtual WebKit::WebNotificationPresenter* notificationPresenter();
  68
  69   virtual WebKit::WebApplicationCacheHost* createApplicationCacheHost(
  70       WebKit::WebApplicationCacheHostClient* client);
  71
  72   virtual bool allowDatabase(WebKit::WebFrame* frame,
  73                              const WebKit::WebString& name,
  74                              const WebKit::WebString& display_name,
  75                              unsigned long estimated_size);
  76   virtual bool allowFileSystem();
  77   virtual void openFileSystem(WebKit::WebFileSystem::Type type,
  78                               long long size,
  79                               bool create,
  80                               WebKit::WebFileSystemCallbacks* callbacks);
  81   virtual bool allowIndexedDB(const WebKit::WebString&);
  82   virtual void dispatchDevToolsMessage(const WebKit::WebString&);
  83   virtual void saveDevToolsAgentState(const WebKit::WebString&);
  84
  85   void EnsureWorkerContextTerminates();
  86
  87   void set_devtools_agent(SharedWorkerDevToolsAgent* devtools_agent) {
  88     devtools_agent_ = devtools_agent;
  89   }
  90
  91  private:
  92   bool Send(IPC::Message* message);
  93
  94   int route_id_;
  95   int appcache_host_id_;
  96   WebSharedWorkerStub* stub_;
  97   base::WeakPtrFactory<WebSharedWorkerClientProxy> weak_factory_;
  98   SharedWorkerDevToolsAgent* devtools_agent_;
  99
 100   DISALLOW_COPY_AND_ASSIGN(WebSharedWorkerClientProxy);
 101 };
 102
 103 }  // namespace content
 104
 105 #endif  // CONTENT_WORKER_WEBWORKERCLIENT_PROXY_H_