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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:
create(PassRefPtr<NetscapePlugin> plugin,uint64_t streamID,bool sendNotification,void * notificationData)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 
streamID()54     uint64_t streamID() const { return m_streamID; }
npStream()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