third_party/WebKit/Source/core/loader/WorkerLoaderClientBridge.h

   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     WTF_MAKE_FAST_ALLOCATED(WorkerLoaderClientBridge);
  48 public:
  49     static PassOwnPtr<ThreadableLoaderClient> create(PassRefPtr<ThreadableLoaderClientWrapper>, PassRefPtr<WorkerLoaderProxy>);
  50     ~WorkerLoaderClientBridge() override;
  51
  52     void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent) override;
  53     void didReceiveResponse(unsigned long identifier, const ResourceResponse&, PassOwnPtr<WebDataConsumerHandle>) override;
  54     void didReceiveData(const char*, unsigned dataLength) override;
  55     void didDownloadData(int dataLength) override;
  56     void didReceiveCachedMetadata(const char*, int dataLength) override;
  57     void didFinishLoading(unsigned long identifier, double finishTime) override;
  58     void didFail(const ResourceError&) override;
  59     void didFailAccessControlCheck(const ResourceError&) override;
  60     void didFailRedirectCheck() override;
  61     void didReceiveResourceTiming(const ResourceTimingInfo&) override;
  62
  63 private:
  64     WorkerLoaderClientBridge(PassRefPtr<ThreadableLoaderClientWrapper>, PassRefPtr<WorkerLoaderProxy>);
  65
  66     // Used on the worker context thread, while its refcounting is done on
  67     // either thread.
  68     RefPtr<ThreadableLoaderClientWrapper> m_workerClientWrapper;
  69
  70     RefPtr<WorkerLoaderProxy> m_loaderProxy;
  71 };
  72
  73 } // namespace blink
  74
  75 #endif // WorkerLoaderClientBridge_h