npwin.cpp
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上传日期:2020-07-06
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文件大小:16k
源码类别:
midi
开发平台:
Unix_Linux
- /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * Mozilla/Firefox plugin for VLC
- * Copyright (C) 2009, Jean-Paul Saman <jpsaman@videolan.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * The Original Code is Mozilla Communicator client code.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998
- * the Initial Developer. All Rights Reserved.
- *
- */
- #include "config.h"
- //#define OJI 1
- #ifdef HAVE_MOZILLA_CONFIG_H
- # include <mozilla-config.h>
- #endif
- #ifndef _NPAPI_H_
- # include "npapi.h"
- #endif
- #ifdef HAVE_NPFUNCTIONS_H
- # include "npfunctions.h"
- #else
- # ifndef _NPUPP_H_
- # include "npupp.h"
- # endif
- #endif
- #include "../vlcshell.h"
- //\// DEFINE
- #define NP_EXPORT
- //\// GLOBAL DATA
- NPNetscapeFuncs* g_pNavigatorFuncs = 0;
- #ifdef OJI
- JRIGlobalRef Private_GetJavaClass(void);
- //\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\.
- ////\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//.
- // Private_GetJavaClass (global function)
- //
- // Given a Java class reference (thru NPP_GetJavaClass) inform JRT
- // of this class existence
- //
- JRIGlobalRef
- Private_GetJavaClass(void)
- {
- jref clazz = NPP_GetJavaClass();
- if (clazz) {
- JRIEnv* env = NPN_GetJavaEnv();
- return JRI_NewGlobalRef(env, clazz);
- }
- return NULL;
- }
- #endif /* OJI */
- //\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\.
- ////\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//.
- // PLUGIN DLL entry points
- //
- // These are the Windows specific DLL entry points. They must be exoprted
- //
- // we need these to be global since we have to fill one of its field
- // with a data (class) which requires knowlwdge of the navigator
- // jump-table. This jump table is known at Initialize time (NP_Initialize)
- // which is called after NP_GetEntryPoint
- static NPPluginFuncs* g_pluginFuncs;
- //\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\.
- ////\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//.
- // NP_GetEntryPoints
- //
- // fills in the func table used by Navigator to call entry points in
- // plugin DLL. Note that these entry points ensure that DS is loaded
- // by using the NP_LOADDS macro, when compiling for Win16
- //
- #ifdef __MINGW32__
- extern "C" __declspec(dllexport) NPError WINAPI
- #else
- NPError WINAPI NP_EXPORT
- #endif
- NP_GetEntryPoints(NPPluginFuncs* pFuncs)
- {
- // trap a NULL ptr
- if(pFuncs == NULL)
- return NPERR_INVALID_FUNCTABLE_ERROR;
- // if the plugin's function table is smaller than the plugin expects,
- // then they are incompatible, and should return an error
- pFuncs->version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
- pFuncs->newp = NPP_New;
- pFuncs->destroy = NPP_Destroy;
- pFuncs->setwindow = NPP_SetWindow;
- pFuncs->newstream = NPP_NewStream;
- pFuncs->destroystream = NPP_DestroyStream;
- pFuncs->asfile = NPP_StreamAsFile;
- pFuncs->writeready = NPP_WriteReady;
- pFuncs->write = NPP_Write;
- pFuncs->print = NPP_Print;
- pFuncs->event = 0; /// reserved
- pFuncs->getvalue = NPP_GetValue;
- pFuncs->setvalue = NPP_SetValue;
- g_pluginFuncs = pFuncs;
- return NPERR_NO_ERROR;
- }
- //\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\.
- ////\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//.
- // NP_Initialize
- //
- // called immediately after the plugin DLL is loaded
- //
- #ifdef __MINGW32__
- extern "C" __declspec(dllexport) NPError WINAPI
- #else
- NPError WINAPI NP_EXPORT
- #endif
- NP_Initialize(NPNetscapeFuncs* pFuncs)
- {
- // trap a NULL ptr
- if(pFuncs == NULL)
- return NPERR_INVALID_FUNCTABLE_ERROR;
- g_pNavigatorFuncs = pFuncs; // save it for future reference
- // if the plugin's major ver level is lower than the Navigator's,
- // then they are incompatible, and should return an error
- if(HIBYTE(pFuncs->version) > NP_VERSION_MAJOR)
- return NPERR_INCOMPATIBLE_VERSION_ERROR;
- // We have to defer these assignments until g_pNavigatorFuncs is set
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= NPVERS_HAS_NOTIFICATION ) {
- g_pluginFuncs->urlnotify = NPP_URLNotify;
- }
- #ifdef OJI
- if( navMinorVers >= NPVERS_HAS_LIVECONNECT ) {
- g_pluginFuncs->javaClass = Private_GetJavaClass();
- }
- #endif
- // NPP_Initialize is a standard (cross-platform) initialize function.
- return NPP_Initialize();
- }
- //\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\.
- ////\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//.
- // NP_Shutdown
- //
- // called immediately before the plugin DLL is unloaded.
- // This function should check for some ref count on the dll to see if it is
- // unloadable or it needs to stay in memory.
- //
- #ifdef __MINGW32__
- extern "C" __declspec(dllexport) NPError WINAPI
- #else
- NPError WINAPI NP_EXPORT
- #endif
- NP_Shutdown()
- {
- NPP_Shutdown();
- g_pNavigatorFuncs = NULL;
- return NPERR_NO_ERROR;
- }
- char * NP_GetMIMEDescription()
- {
- return NPP_GetMIMEDescription();
- }
- // END - PLUGIN DLL entry points
- ////\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//.
- //\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\.
- /* NAVIGATOR Entry points */
- /* These entry points expect to be called from within the plugin. The
- noteworthy assumption is that DS has already been set to point to the
- plugin's DLL data segment. Don't call these functions from outside
- the plugin without ensuring DS is set to the DLLs data segment first,
- typically using the NP_LOADDS macro
- */
- /* returns the major/minor version numbers of the Plugin API for the plugin
- and the Navigator
- */
- void NPN_Version(int* plugin_major, int* plugin_minor, int* netscape_major, int* netscape_minor)
- {
- *plugin_major = NP_VERSION_MAJOR;
- *plugin_minor = NP_VERSION_MINOR;
- *netscape_major = HIBYTE(g_pNavigatorFuncs->version);
- *netscape_minor = LOBYTE(g_pNavigatorFuncs->version);
- }
- NPError NPN_GetValue(NPP instance, NPNVariable variable, void *result)
- {
- return g_pNavigatorFuncs->getvalue(instance, variable, result);
- }
- NPError NPN_SetValue(NPP instance, NPPVariable variable, void *value)
- {
- return g_pNavigatorFuncs->setvalue(instance, variable, value);
- }
- void NPN_InvalidateRect(NPP instance, NPRect *rect)
- {
- g_pNavigatorFuncs->invalidaterect(instance, rect);
- }
- void NPN_InvalidateRegion(NPP instance, NPRegion region)
- {
- g_pNavigatorFuncs->invalidateregion(instance, region);
- }
- void NPN_ForceRedraw(NPP instance)
- {
- g_pNavigatorFuncs->forceredraw(instance);
- }
- NPIdentifier NPN_GetStringIdentifier(const NPUTF8 *name)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- return g_pNavigatorFuncs->getstringidentifier(name);
- }
- return NULL;
- }
- void NPN_GetStringIdentifiers(const NPUTF8 **names, int32_t nameCount, NPIdentifier *identifiers)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- g_pNavigatorFuncs->getstringidentifiers(names, nameCount, identifiers);
- }
- }
- NPIdentifier NPN_GetIntIdentifier(int32_t intid)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- return g_pNavigatorFuncs->getintidentifier(intid);
- }
- return NULL;
- }
- bool NPN_IdentifierIsString(NPIdentifier identifier)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- return g_pNavigatorFuncs->identifierisstring(identifier);
- }
- return false;
- }
- NPUTF8 *NPN_UTF8FromIdentifier(NPIdentifier identifier)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- return g_pNavigatorFuncs->utf8fromidentifier(identifier);
- }
- return NULL;
- }
- int32_t NPN_IntFromIdentifier(NPIdentifier identifier)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- return g_pNavigatorFuncs->intfromidentifier(identifier);
- }
- return 0;
- }
- NPObject *NPN_CreateObject(NPP instance, NPClass *aClass)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- return g_pNavigatorFuncs->createobject(instance, aClass);
- }
- return NULL;
- }
- NPObject *NPN_RetainObject(NPObject *npobj)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- return g_pNavigatorFuncs->retainobject(npobj);
- }
- return NULL;
- }
- void NPN_ReleaseObject(NPObject *npobj)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- g_pNavigatorFuncs->releaseobject(npobj);
- }
- }
- bool NPN_Invoke(NPP instance, NPObject *npobj, NPIdentifier methodName, const NPVariant *args, uint32_t argCount, NPVariant *result)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- return g_pNavigatorFuncs->invoke(instance, npobj, methodName, args, argCount, result);
- }
- return false;
- }
- bool NPN_InvokeDefault(NPP instance, NPObject *npobj, const NPVariant *args, uint32_t argCount, NPVariant *result)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- return g_pNavigatorFuncs->invokeDefault(instance, npobj, args, argCount, result);
- }
- return false;
- }
- bool NPN_Evaluate(NPP instance, NPObject *npobj, NPString *script, NPVariant *result)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- return g_pNavigatorFuncs->evaluate(instance, npobj, script, result);
- }
- return false;
- }
- bool NPN_GetProperty(NPP instance, NPObject *npobj, NPIdentifier propertyName, NPVariant *result)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- return g_pNavigatorFuncs->getproperty(instance, npobj, propertyName, result);
- }
- return false;
- }
- bool NPN_SetProperty(NPP instance, NPObject *npobj, NPIdentifier propertyName, const NPVariant *value)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- return g_pNavigatorFuncs->setproperty(instance, npobj, propertyName, value);
- }
- return false;
- }
- bool NPN_RemoveProperty(NPP instance, NPObject *npobj, NPIdentifier propertyName)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- return g_pNavigatorFuncs->removeproperty(instance, npobj, propertyName);
- }
- return false;
- }
- bool NPN_HasProperty(NPP instance, NPObject *npobj, NPIdentifier propertyName)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- return g_pNavigatorFuncs->hasproperty(instance, npobj, propertyName);
- }
- return false;
- }
- bool NPN_HasMethod(NPP instance, NPObject *npobj, NPIdentifier methodName)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- return g_pNavigatorFuncs->hasmethod(instance, npobj, methodName);
- }
- return false;
- }
- void NPN_ReleaseVariantValue(NPVariant *variant)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- g_pNavigatorFuncs->releasevariantvalue(variant);
- }
- }
- void NPN_SetException(NPObject *npobj, const NPUTF8 *message)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= 14 )
- {
- g_pNavigatorFuncs->setexception(npobj, message);
- }
- }
- /* causes the specified URL to be fetched and streamed in
- */
- NPError NPN_GetURLNotify(NPP instance, const char *url, const char *target, void* notifyData)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- NPError err;
- if( navMinorVers >= NPVERS_HAS_NOTIFICATION ) {
- err = g_pNavigatorFuncs->geturlnotify(instance, url, target, notifyData);
- }
- else {
- err = NPERR_INCOMPATIBLE_VERSION_ERROR;
- }
- return err;
- }
- NPError NPN_GetURL(NPP instance, const char *url, const char *target)
- {
- return g_pNavigatorFuncs->geturl(instance, url, target);
- }
- NPError NPN_PostURLNotify(NPP instance, const char* url, const char* window, uint32_t len, const char* buf, NPBool file, void* notifyData)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- NPError err;
- if( navMinorVers >= NPVERS_HAS_NOTIFICATION ) {
- err = g_pNavigatorFuncs->posturlnotify(instance, url, window, len, buf, file, notifyData);
- }
- else {
- err = NPERR_INCOMPATIBLE_VERSION_ERROR;
- }
- return err;
- }
- NPError NPN_PostURL(NPP instance, const char* url, const char* window, uint32_t len, const char* buf, NPBool file)
- {
- return g_pNavigatorFuncs->posturl(instance, url, window, len, buf, file);
- }
- /* Requests that a number of bytes be provided on a stream. Typically
- this would be used if a stream was in "pull" mode. An optional
- position can be provided for streams which are seekable.
- */
- NPError NPN_RequestRead(NPStream* stream, NPByteRange* rangeList)
- {
- return g_pNavigatorFuncs->requestread(stream, rangeList);
- }
- /* Creates a new stream of data from the plug-in to be interpreted
- * by Netscape in the current window.
- */
- NPError NPN_NewStream(NPP instance, NPMIMEType type,
- const char* target, NPStream** stream)
- {
- int navMinorVersion = g_pNavigatorFuncs->version & 0xFF;
- NPError err;
- if( navMinorVersion >= NPVERS_HAS_STREAMOUTPUT ) {
- err = g_pNavigatorFuncs->newstream(instance, type, target, stream);
- }
- else {
- err = NPERR_INCOMPATIBLE_VERSION_ERROR;
- }
- return err;
- }
- /* Provides len bytes of data.
- */
- int32_t NPN_Write(NPP instance, NPStream *stream,
- int32_t len, void *buffer)
- {
- int navMinorVersion = g_pNavigatorFuncs->version & 0xFF;
- int32_t result;
- if( navMinorVersion >= NPVERS_HAS_STREAMOUTPUT ) {
- result = g_pNavigatorFuncs->write(instance, stream, len, buffer);
- }
- else {
- result = -1;
- }
- return result;
- }
- /* Closes a stream object.
- * reason indicates why the stream was closed.
- */
- NPError NPN_DestroyStream(NPP instance, NPStream* stream, NPError reason)
- {
- int navMinorVersion = g_pNavigatorFuncs->version & 0xFF;
- NPError err;
- if( navMinorVersion >= NPVERS_HAS_STREAMOUTPUT ) {
- err = g_pNavigatorFuncs->destroystream(instance, stream, reason);
- }
- else {
- err = NPERR_INCOMPATIBLE_VERSION_ERROR;
- }
- return err;
- }
- /* Provides a text status message in the Netscape client user interface
- */
- void NPN_Status(NPP instance, const char *message)
- {
- g_pNavigatorFuncs->status(instance, message);
- }
- /* returns the user agent string of Navigator, which contains version info
- */
- const char* NPN_UserAgent(NPP instance)
- {
- return g_pNavigatorFuncs->uagent(instance);
- }
- /* allocates memory from the Navigator's memory space. Necessary so that
- * saved instance data may be freed by Navigator when exiting.
- */
- void *NPN_MemAlloc(uint32 size)
- {
- return g_pNavigatorFuncs->memalloc(size);
- }
- /* reciprocal of MemAlloc() above
- */
- void NPN_MemFree(void* ptr)
- {
- g_pNavigatorFuncs->memfree(ptr);
- }
- #ifdef OJI
- /* private function to Netscape. do not use!
- */
- void NPN_ReloadPlugins(NPBool reloadPages)
- {
- g_pNavigatorFuncs->reloadplugins(reloadPages);
- }
- JRIEnv* NPN_GetJavaEnv(void)
- {
- return g_pNavigatorFuncs->getJavaEnv();
- }
- jref NPN_GetJavaPeer(NPP instance)
- {
- return g_pNavigatorFuncs->getJavaPeer(instance);
- }
- #endif