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      1 /*
      2  * Copyright (C) 2010 Apple 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
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef NetscapePluginStream_h
     27 #define NetscapePluginStream_h
     28 
     29 #include "RunLoop.h"
     30 #include <WebCore/FileSystem.h>
     31 #include <WebCore/npruntime_internal.h>
     32 #include <wtf/Forward.h>
     33 #include <wtf/PassRefPtr.h>
     34 #include <wtf/RefCounted.h>
     35 #include <wtf/RefPtr.h>
     36 #include <wtf/text/CString.h>
     37 
     38 namespace WebCore {
     39     class KURL;
     40 }
     41 
     42 namespace WebKit {
     43 
     44 class NetscapePlugin;
     45 
     46 class NetscapePluginStream : public RefCounted<NetscapePluginStream> {
     47 public:
     48     static PassRefPtr<NetscapePluginStream> create(PassRefPtr<NetscapePlugin> plugin, uint64_t streamID, bool sendNotification, void* notificationData)
     49     {
     50         return adoptRef(new NetscapePluginStream(plugin, streamID, sendNotification, notificationData));
     51     }
     52     ~NetscapePluginStream();
     53 
     54     uint64_t streamID() const { return m_streamID; }
     55     const NPStream* npStream() const { return &m_npStream; }
     56 
     57     void didReceiveResponse(const WebCore::KURL& responseURL, uint32_t streamLength,
     58                             uint32_t lastModifiedTime, const String& mimeType, const String& headers);
     59     void didReceiveData(const char* bytes, int length);
     60     void didFinishLoading();
     61     void didFail(bool wasCancelled);
     62 
     63     void sendJavaScriptStream(const String& requestURLString, const String& result);
     64 
     65     void stop(NPReason);
     66     NPError destroy(NPReason);
     67 
     68 private:
     69     NetscapePluginStream(PassRefPtr<NetscapePlugin>, uint64_t streamID, bool sendNotification, void* notificationData);
     70 
     71     bool start(const String& responseURLString, uint32_t streamLength,
     72                uint32_t lastModifiedTime, const String& mimeType, const String& headers);
     73 
     74     void cancel();
     75     void notifyAndDestroyStream(NPReason);
     76 
     77     void deliverData(const char* bytes, int length);
     78     void deliverDataToPlugin();
     79     void deliverDataToFile(const char* bytes, int length);
     80 
     81     RefPtr<NetscapePlugin> m_plugin;
     82     uint64_t m_streamID;
     83 
     84     bool m_sendNotification;
     85     void* m_notificationData;
     86 
     87     NPStream m_npStream;
     88     uint16_t m_transferMode;
     89     int32_t m_offset;
     90 
     91     String m_filePath;
     92     WebCore::PlatformFileHandle m_fileHandle;
     93 
     94     // Whether NPP_NewStream has successfully been called.
     95     bool m_isStarted;
     96 
     97 #if !ASSERT_DISABLED
     98     bool m_urlNotifyHasBeenCalled;
     99 #endif
    100 
    101     CString m_responseURL;
    102     CString m_mimeType;
    103     CString m_headers;
    104 
    105     RunLoop::Timer<NetscapePluginStream> m_deliveryDataTimer;
    106     OwnPtr< Vector<uint8_t> > m_deliveryData;
    107     bool m_stopStreamWhenDoneDelivering;
    108 };
    109 
    110 } // namespace WebKit
    111 
    112 #endif // NetscapePluginStream_h
    113