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      1 /*
      2  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
      3  * Copyright (C) 2008 Collabora, Ltd. All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      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  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #ifndef PluginStream_H
     28 #define PluginStream_H
     29 
     30 #include "CString.h"
     31 #include "FileSystem.h"
     32 #include "KURL.h"
     33 #include "NetscapePlugInStreamLoader.h"
     34 #include "PlatformString.h"
     35 #include "PluginQuirkSet.h"
     36 #include "ResourceRequest.h"
     37 #include "ResourceResponse.h"
     38 #include "StringHash.h"
     39 #include "Timer.h"
     40 #include "npruntime_internal.h"
     41 #include <wtf/HashMap.h>
     42 #include <wtf/OwnPtr.h>
     43 #include <wtf/RefCounted.h>
     44 #include <wtf/Vector.h>
     45 
     46 namespace WebCore {
     47     class Frame;
     48     class PluginStream;
     49 
     50     enum PluginStreamState { StreamBeforeStarted, StreamStarted, StreamStopped };
     51 
     52     class PluginStreamClient {
     53     public:
     54         virtual ~PluginStreamClient() {}
     55         virtual void streamDidFinishLoading(PluginStream*) {}
     56     };
     57 
     58     class PluginStream : public RefCounted<PluginStream>, private NetscapePlugInStreamLoaderClient {
     59     public:
     60         static PassRefPtr<PluginStream> create(PluginStreamClient* client, Frame* frame, const ResourceRequest& request, bool sendNotification, void* notifyData, const NPPluginFuncs* functions, NPP instance, const PluginQuirkSet& quirks)
     61         {
     62             return adoptRef(new PluginStream(client, frame, request, sendNotification, notifyData, functions, instance, quirks));
     63         }
     64         virtual ~PluginStream();
     65 
     66         void start();
     67         void stop();
     68 
     69         void startStream();
     70 
     71         void setLoadManually(bool loadManually) { m_loadManually = loadManually; }
     72 
     73         void sendJavaScriptStream(const KURL& requestURL, const CString& resultString);
     74         void cancelAndDestroyStream(NPReason);
     75 
     76         static NPP ownerForStream(NPStream*);
     77 
     78         // NetscapePlugInStreamLoaderClient
     79         virtual void didReceiveResponse(NetscapePlugInStreamLoader*, const ResourceResponse&);
     80         virtual void didReceiveData(NetscapePlugInStreamLoader*, const char*, int);
     81         virtual void didFail(NetscapePlugInStreamLoader*, const ResourceError&);
     82         virtual void didFinishLoading(NetscapePlugInStreamLoader*);
     83         virtual bool wantsAllStreams() const;
     84 
     85     private:
     86         PluginStream(PluginStreamClient*, Frame*, const ResourceRequest&, bool sendNotification, void* notifyData, const NPPluginFuncs*, NPP instance, const PluginQuirkSet&);
     87 
     88         void deliverData();
     89         void destroyStream(NPReason);
     90         void destroyStream();
     91 #if PLATFORM(ANDROID)
     92         int deliveryDelay() const;
     93 #endif
     94         ResourceRequest m_resourceRequest;
     95         ResourceResponse m_resourceResponse;
     96 
     97         PluginStreamClient* m_client;
     98         Frame* m_frame;
     99         RefPtr<NetscapePlugInStreamLoader> m_loader;
    100         void* m_notifyData;
    101         bool m_sendNotification;
    102         PluginStreamState m_streamState;
    103         bool m_loadManually;
    104 
    105         Timer<PluginStream> m_delayDeliveryTimer;
    106         void delayDeliveryTimerFired(Timer<PluginStream>*);
    107 
    108         OwnPtr< Vector<char> > m_deliveryData;
    109 
    110         PlatformFileHandle m_tempFileHandle;
    111 
    112         const NPPluginFuncs* m_pluginFuncs;
    113         NPP m_instance;
    114         uint16 m_transferMode;
    115         int32 m_offset;
    116         CString m_headers;
    117         CString m_path;
    118         NPReason m_reason;
    119         NPStream m_stream;
    120         PluginQuirkSet m_quirks;
    121     };
    122 
    123 } // namespace WebCore
    124 
    125 #endif
    126