gecko-dev/modules/plugin/nglsrc/ns4xPlugin.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef ns4xPlugin_h__
#define ns4xPlugin_h__
#include "nsplugin.h"
#include "prlink.h" // for PRLibrary
#include "npupp.h"
#include "nsPluginHostImpl.h"
////////////////////////////////////////////////////////////////////////
/*
* Use this macro before each exported function
* (between the return address and the function
* itself), to ensure that the function has the
* right calling conventions on Win16.
*/
#ifdef XP_OS2
#define NP_EXPORT _System
#else
#define NP_EXPORT
#endif
////////////////////////////////////////////////////////////////////////
// XXX These are defined in platform specific FE directories right now :-/
#if defined(XP_PC) || defined(XP_UNIX) || defined(XP_BEOS)
typedef NS_CALLBACK_(NPError, NP_GETENTRYPOINTS) (NPPluginFuncs* pCallbacks);
typedef NS_CALLBACK_(NPError, NP_PLUGININIT) (const NPNetscapeFuncs* pCallbacks);
typedef NS_CALLBACK_(NPError, NP_PLUGINUNIXINIT) (const NPNetscapeFuncs* pCallbacks,NPPluginFuncs* fCallbacks);
typedef NS_CALLBACK_(NPError, NP_PLUGINSHUTDOWN) (void);
#endif
#ifdef XP_MAC
typedef NS_CALLBACK_(NPError, NP_PLUGINSHUTDOWN) (void);
typedef NS_CALLBACK_(NPError, NP_MAIN) (NPNetscapeFuncs* nCallbacks, NPPluginFuncs* pCallbacks, NPP_ShutdownUPP* unloadUpp);
#endif
class nsIServiceManager;
class nsIMemory;
////////////////////////////////////////////////////////////////////////
/**
* A 5.0 wrapper for a 4.x style plugin.
*/
class ns4xPlugin : public nsIPlugin
{
public:
ns4xPlugin(NPPluginFuncs* callbacks, PRLibrary* aLibrary, NP_PLUGINSHUTDOWN aShutdown, nsIServiceManager* serviceMgr);
virtual ~ns4xPlugin(void);
static void ReleaseStatics();
NS_DECL_ISUPPORTS
//nsIFactory interface
NS_IMETHOD CreateInstance(nsISupports *aOuter,
REFNSIID aIID,
void **aResult);
NS_IMETHOD LockFactory(PRBool aLock);
//nsIPlugin interface
/**
* Creates a new plugin instance, based on a MIME type. This
* allows different impelementations to be created depending on
* the specified MIME type.
*/
NS_IMETHOD CreatePluginInstance(nsISupports *aOuter, REFNSIID aIID,
const char* aPluginMIMEType,
void **aResult);
NS_IMETHOD
Initialize(void);
NS_IMETHOD
Shutdown(void);
NS_IMETHOD
GetMIMEDescription(const char* *resultingDesc);
NS_IMETHOD
GetValue(nsPluginVariable variable, void *value);
////////////////////////////////////////////////////////////////////
// ns4xPlugin-specific methods
/**
* A static factory method for constructing 4.x plugins. Constructs
* and initializes an ns4xPlugin object, and returns it in
* <b>result</b>.
*/
static nsresult
CreatePlugin(nsIServiceManager* aServiceMgr,
const char* aFileName,
PRLibrary* aLibrary,
nsIPlugin** aResult);
#ifdef XP_MAC
void
SetPluginRefNum(short aRefNum);
#endif
protected:
/**
* Ensures that the static CALLBACKS is properly initialized
*/
static void CheckClassInitialized(void);
#ifdef XP_MAC
short fPluginRefNum;
#endif
/**
* The plugin-side callbacks that the browser calls. One set of
* plugin callbacks for each plugin.
*/
NPPluginFuncs fCallbacks;
PRLibrary* fLibrary;
NP_PLUGINSHUTDOWN fShutdownEntry;
/**
* The browser-side callbacks that a 4.x-style plugin calls.
*/
static NPNetscapeFuncs CALLBACKS;
};
XP_BEGIN_PROTOS
////////////////////////////////////////////////////////////////////////
// Static stub functions that are exported to the 4.x plugin as entry
// points via the CALLBACKS variable.
//
static NPError NP_EXPORT
_requestread(NPStream *pstream, NPByteRange *rangeList);
static NPError NP_EXPORT
_geturlnotify(NPP npp, const char* relativeURL, const char* target, void* notifyData);
static NPError NP_EXPORT
_getvalue(NPP npp, NPNVariable variable, void *r_value);
static NPError NP_EXPORT
_setvalue(NPP npp, NPPVariable variable, void *r_value);
static NPError NP_EXPORT
_geturl(NPP npp, const char* relativeURL, const char* target);
static NPError NP_EXPORT
_posturlnotify(NPP npp, const char* relativeURL, const char *target,
uint32 len, const char *buf, NPBool file, void* notifyData);
static NPError NP_EXPORT
_posturl(NPP npp, const char* relativeURL, const char *target, uint32 len,
const char *buf, NPBool file);
static NPError NP_EXPORT
_newstream(NPP npp, NPMIMEType type, const char* window, NPStream** pstream);
static int32 NP_EXPORT
_write(NPP npp, NPStream *pstream, int32 len, void *buffer);
static NPError NP_EXPORT
_destroystream(NPP npp, NPStream *pstream, NPError reason);
static void NP_EXPORT
_status(NPP npp, const char *message);
#if 0
static void NP_EXPORT
_registerwindow(NPP npp, void* window);
static void NP_EXPORT
_unregisterwindow(NPP npp, void* window);
static int16 NP_EXPORT
_allocateMenuID(NPP npp, NPBool isSubmenu);
#endif
static void NP_EXPORT
_memfree (void *ptr);
static uint32 NP_EXPORT
_memflush(uint32 size);
static void NP_EXPORT
_reloadplugins(NPBool reloadPages);
static void NP_EXPORT
_invalidaterect(NPP npp, NPRect *invalidRect);
static void NP_EXPORT
_invalidateregion(NPP npp, NPRegion invalidRegion);
static void NP_EXPORT
_forceredraw(NPP npp);
////////////////////////////////////////////////////////////////////////
// Anything that returns a pointer needs to be _HERE_ for 68K Mac to
// work.
//
#if defined(XP_MAC) && !defined(powerc)
#pragma pointers_in_D0
#endif
static const char* NP_EXPORT
_useragent(NPP npp);
static void* NP_EXPORT
_memalloc (uint32 size);
static JRIEnv* NP_EXPORT
_getJavaEnv(void);
#if 1
static jref NP_EXPORT
_getJavaPeer(NPP npp);
static java_lang_Class* NP_EXPORT
_getJavaClass(void* handle);
#endif
#if defined(XP_MAC) && !defined(powerc)
#pragma pointers_in_A0
#endif
XP_END_PROTOS
#endif // ns4xPlugin_h__