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      1 /*
      2  * Copyright (C) 2005 Apple Computer, 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  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #if ENABLE(NETSCAPE_PLUGIN_API)
     30 #import <Foundation/Foundation.h>
     31 
     32 #import <WebCore/Timer.h>
     33 #import <WebCore/NetscapePlugInStreamLoader.h>
     34 #import <WebKit/npfunctions.h>
     35 #import <wtf/PassRefPtr.h>
     36 #import <wtf/RefCounted.h>
     37 #import <wtf/RefPtr.h>
     38 #import <wtf/RetainPtr.h>
     39 #import <wtf/text/CString.h>
     40 
     41 #import "WebNetscapePluginView.h"
     42 
     43 namespace WebCore {
     44     class FrameLoader;
     45     class NetscapePlugInStreamLoader;
     46 }
     47 
     48 @class WebNetscapePluginView;
     49 @class NSURLResponse;
     50 
     51 class WebNetscapePluginStream : public RefCounted<WebNetscapePluginStream>
     52                               , private WebCore::NetscapePlugInStreamLoaderClient
     53 {
     54 public:
     55     static PassRefPtr<WebNetscapePluginStream> create(NSURLRequest *request, NPP plugin, bool sendNotification, void* notifyData)
     56     {
     57         return adoptRef(new WebNetscapePluginStream(request, plugin, sendNotification, notifyData));
     58     }
     59     static PassRefPtr<WebNetscapePluginStream> create(WebCore::FrameLoader* frameLoader)
     60     {
     61         return adoptRef(new WebNetscapePluginStream(frameLoader));
     62     }
     63     virtual ~WebNetscapePluginStream();
     64 
     65     NPP plugin() const { return m_plugin; }
     66     void setPlugin(NPP);
     67 
     68     static NPP ownerForStream(NPStream *);
     69 
     70     static NPReason reasonForError(NSError *);
     71     NSError *errorForReason(NPReason) const;
     72 
     73     void cancelLoadAndDestroyStreamWithError(NSError *);
     74 
     75     void setRequestURL(const WebCore::KURL& requestURL) { m_requestURL = requestURL; }
     76 
     77     void start();
     78     void stop();
     79 
     80     void startStreamWithResponse(NSURLResponse *response);
     81 
     82     void didReceiveData(WebCore::NetscapePlugInStreamLoader*, const char* bytes, int length);
     83     void destroyStreamWithError(NSError *);
     84     void didFinishLoading(WebCore::NetscapePlugInStreamLoader*);
     85 
     86 private:
     87     void destroyStream();
     88     void cancelLoadWithError(NSError *);
     89     void destroyStreamWithReason(NPReason);
     90     void deliverDataToFile(NSData *data);
     91     void deliverData();
     92 
     93     void startStream(NSURL *, long long expectedContentLength, NSDate *lastModifiedDate, const WTF::String& mimeType, NSData *headers);
     94 
     95     NSError *pluginCancelledConnectionError() const;
     96 
     97     // NetscapePlugInStreamLoaderClient methods.
     98     void didReceiveResponse(WebCore::NetscapePlugInStreamLoader*, const WebCore::ResourceResponse&);
     99     void didFail(WebCore::NetscapePlugInStreamLoader*, const WebCore::ResourceError&);
    100     bool wantsAllStreams() const;
    101 
    102     RetainPtr<NSMutableData> m_deliveryData;
    103     WebCore::KURL m_requestURL;
    104     RetainPtr<NSURL> m_responseURL;
    105     CString m_mimeType;
    106 
    107     NPP m_plugin;
    108     uint16_t m_transferMode;
    109     int32_t m_offset;
    110     NPStream m_stream;
    111     RetainPtr<NSString> m_path;
    112     int m_fileDescriptor;
    113     BOOL m_sendNotification;
    114     void *m_notifyData;
    115     char *m_headers;
    116     RetainPtr<WebNetscapePluginView> m_pluginView;
    117     NPReason m_reason;
    118     bool m_isTerminated;
    119     bool m_newStreamSuccessful;
    120 
    121     WebCore::FrameLoader* m_frameLoader;
    122     RefPtr<WebCore::NetscapePlugInStreamLoader> m_loader;
    123     RetainPtr<NSMutableURLRequest> m_request;
    124     NPPluginFuncs *m_pluginFuncs;
    125 
    126     void deliverDataTimerFired(WebCore::Timer<WebNetscapePluginStream>* timer);
    127     WebCore::Timer<WebNetscapePluginStream> m_deliverDataTimer;
    128 
    129     WebNetscapePluginStream(WebCore::FrameLoader*);
    130     WebNetscapePluginStream(NSURLRequest *, NPP, bool sendNotification, void* notifyData);
    131 };
    132 
    133 #endif
    134