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| 1 // Copyright (c) 2009 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 CHROME_WORKER_WEBWORKERCLIENT_PROXY_H_ |
| 6 #define CHROME_WORKER_WEBWORKERCLIENT_PROXY_H_ |
| 7 |
| 8 #include <vector> |
| 9 |
| 10 #include "base/basictypes.h" |
| 11 #include "base/scoped_ptr.h" |
| 12 #include "chrome/common/ipc_channel.h" |
| 13 #include "googleurl/src/gurl.h" |
| 14 #include "webkit/glue/webworkerclient.h" |
| 15 |
| 16 class WebWorker; |
| 17 |
| 18 // This class receives IPCs from the renderer and calls the WebCore::Worker |
| 19 // implementation (after the data types have been converted by glue code). It |
| 20 // is also called by the worker code and converts these function calls into |
| 21 // IPCs that are sent to the renderer, where they're converted back to function |
| 22 // calls by WebWorkerProxy. |
| 23 class WebWorkerClientProxy : public WebWorkerClient, |
| 24 public IPC::Channel::Listener { |
| 25 public: |
| 26 WebWorkerClientProxy (const GURL& url, int route_id); |
| 27 ~WebWorkerClientProxy (); |
| 28 |
| 29 // WebWorkerClient implementation. |
| 30 void PostMessageToWorkerObject(const string16& message); |
| 31 void PostExceptionToWorkerObject( |
| 32 const string16& error_message, |
| 33 int line_number, |
| 34 const string16& source_url); |
| 35 void PostConsoleMessageToWorkerObject( |
| 36 int destination, |
| 37 int source, |
| 38 int level, |
| 39 const string16& message, |
| 40 int line_number, |
| 41 const string16& source_url); |
| 42 void ConfirmMessageFromWorkerObject(bool has_pending_activity); |
| 43 void ReportPendingActivity(bool has_pending_activity); |
| 44 void WorkerContextDestroyed(); |
| 45 |
| 46 // IPC::Channel::Listener implementation. |
| 47 void OnMessageReceived(const IPC::Message& message); |
| 48 |
| 49 private: |
| 50 bool Send(IPC::Message* message); |
| 51 |
| 52 // The source url for this worker. |
| 53 GURL url_; |
| 54 |
| 55 int route_id_; |
| 56 |
| 57 // Whether we've received StartWorkerContext message. |
| 58 bool started_worker_; |
| 59 |
| 60 scoped_ptr<WebWorker> impl_; |
| 61 |
| 62 // Stores messages that arrived before the StartWorkerContext message. |
| 63 std::vector<IPC::Message*> queued_messages_; |
| 64 |
| 65 DISALLOW_COPY_AND_ASSIGN(WebWorkerClientProxy); |
| 66 }; |
| 67 |
| 68 #endif // CHROME_WORKER_WEBWORKERCLIENT_PROXY_H_ |
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