120 lines
3.2 KiB
C++
120 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef ns4xPluginStream_h__
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#define ns4xPluginStream_h__
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#define _UINT32
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#define _INT32
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#include "jri.h" // XXX should be jni.h
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#include "nsplugin.h"
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#include "ns4xPluginInstance.h"
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////////////////////////////////////////////////////////////////////////
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/**
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* A 5.0 wrapper for a 4.x plugin stream.
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*/
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class ns4xPluginStream : public nsIPluginStream
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{
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public:
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/**
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* Construct a new 4.x plugin stream associated with the specified
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* instance and stream peer.
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*/
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ns4xPluginStream();
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~ns4xPluginStream();
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NS_DECL_ISUPPORTS
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/**
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* Do internal initialization. This actually calls into the 4.x plugin
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* to create the stream, and may fail (which is why it's separate from
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* the constructor).
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*/
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NS_METHOD
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Initialize(ns4xPluginInstance* instance, nsIPluginStreamPeer* peer);
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////////////////////////////////////////////////////////////////////////
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// nsIPluginStream methods
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// (Corresponds to NPP_Write and NPN_Write.)
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NS_IMETHOD
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Write(const char* buffer, PRUint32 offset, PRUint32 len, PRUint32 *aWriteCount);
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// (Corresponds to NPP_NewStream's stype return parameter.)
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NS_IMETHOD
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GetStreamType(nsPluginStreamType *result);
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// (Corresponds to NPP_StreamAsFile.)
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NS_IMETHOD
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AsFile(const char* fname);
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NS_IMETHOD
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Close(void);
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////////////////////////////////////////////////////////////////////////
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// Methods specific to ns4xPluginStream
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protected:
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/**
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* The plugin instance to which this stream belongs.
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*/
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ns4xPluginInstance* fInstance;
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/**
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* The peer associated with this stream.
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*/
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nsIPluginStreamPeer* fPeer;
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/**
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* The type of stream, for the peer's use.
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*/
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nsPluginStreamType fStreamType;
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/**
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* The 4.x-style structure used to contain stream information.
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* This is what actually gets used to communicate with the plugin.
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*/
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NPStream fNPStream;
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/**
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* Set to <b>TRUE</b> if the peer implements
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* <b>NPISeekablPluginStreamPeer</b>.
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*/
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PRBool fSeekable;
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/**
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* Tracks the position in the content that is being
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* read. 4.x-style plugins expect to be told the offset in the
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* buffer that they should read <i>to</i>, even though it's always
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* done serially.
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*/
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PRUint32 fPosition;
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};
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#endif // ns4xPluginStream_h__
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