1 /* 2 * Copyright (C) 2014 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef WorkerLoaderClientBridge_h 32 #define WorkerLoaderClientBridge_h 33 34 #include "core/loader/ThreadableLoaderClient.h" 35 #include "wtf/Forward.h" 36 #include "wtf/text/WTFString.h" 37 38 namespace blink { 39 40 class ThreadableLoaderClientWrapper; 41 class WorkerLoaderProxy; 42 43 // This bridge is created and destroyed on the worker thread, but is 44 // passed to and used on the main thread. Each did* method relays the given 45 // data to the client wrapper on the worker context thread. 46 class WorkerLoaderClientBridge : public ThreadableLoaderClient { 47 public: 48 static PassOwnPtr<ThreadableLoaderClient> create(PassRefPtr<ThreadableLoaderClientWrapper>, WorkerLoaderProxy&); 49 virtual ~WorkerLoaderClientBridge(); 50 51 virtual void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent) OVERRIDE; 52 virtual void didReceiveResponse(unsigned long identifier, const ResourceResponse&) OVERRIDE; 53 virtual void didReceiveData(const char*, int dataLength) OVERRIDE; 54 virtual void didDownloadData(int dataLength) OVERRIDE; 55 virtual void didReceiveCachedMetadata(const char*, int dataLength) OVERRIDE; 56 virtual void didFinishLoading(unsigned long identifier, double finishTime) OVERRIDE; 57 virtual void didFail(const ResourceError&) OVERRIDE; 58 virtual void didFailAccessControlCheck(const ResourceError&) OVERRIDE; 59 virtual void didFailRedirectCheck() OVERRIDE; 60 61 private: 62 WorkerLoaderClientBridge(PassRefPtr<ThreadableLoaderClientWrapper>, WorkerLoaderProxy&); 63 64 // Used on the worker context thread, while its refcounting is done on 65 // either thread. 66 RefPtr<ThreadableLoaderClientWrapper> m_workerClientWrapper; 67 68 WorkerLoaderProxy& m_loaderProxy; 69 }; 70 71 } // namespace blink 72 73 #endif // WorkerLoaderClientBridge_h 74