mirror of
https://github.com/rn10950/RetroZilla.git
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379 lines
11 KiB
C++
379 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "xp.h"
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#include "epmanager.h"
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#include "logger.h"
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extern Logger * logger;
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InstanceList::InstanceList(NPP _instance) :
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next(NULL),
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instance(_instance)
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{
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}
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InstanceList::~InstanceList()
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{
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}
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PluginEntryPointList::PluginEntryPointList() :
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next(NULL),
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instances(NULL)
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{
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mimetype[0] = '\0';
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memset((void *)&realNPPFuncs, 0, sizeof(realNPPFuncs));
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realShutdown = NULL;
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hLib = NULL;
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}
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PluginEntryPointList::~PluginEntryPointList()
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{
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}
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NPPEntryPointManager::NPPEntryPointManager() :
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mEntryPoints(NULL)
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{
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}
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NPPEntryPointManager::~NPPEntryPointManager()
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{
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for(PluginEntryPointList * eps = mEntryPoints; eps != NULL;)
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{
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for(InstanceList * instances = eps->instances; instances != NULL;)
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{
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InstanceList * next = instances->next;
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delete instances;
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instances = next;
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}
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PluginEntryPointList * next = eps->next;
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delete eps;
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eps = next;
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}
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}
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void NPPEntryPointManager::createEntryPointsForPlugin(char * mimetype, NPPluginFuncs * funcs, NP_SHUTDOWN shutdownproc, XP_HLIB hLib)
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{
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PluginEntryPointList * eps = new PluginEntryPointList();
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if(eps == NULL)
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return;
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strcpy(eps->mimetype, mimetype);
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if(funcs)
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{
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eps->realNPPFuncs.size = funcs->size;
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eps->realNPPFuncs.version = funcs->version;
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eps->realNPPFuncs.newp = funcs->newp;
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eps->realNPPFuncs.destroy = funcs->destroy;
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eps->realNPPFuncs.setwindow = funcs->setwindow;
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eps->realNPPFuncs.newstream = funcs->newstream;
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eps->realNPPFuncs.destroystream = funcs->destroystream;
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eps->realNPPFuncs.asfile = funcs->asfile;
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eps->realNPPFuncs.writeready = funcs->writeready;
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eps->realNPPFuncs.write = funcs->write;
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eps->realNPPFuncs.print = funcs->print;
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eps->realNPPFuncs.event = funcs->event;
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eps->realNPPFuncs.urlnotify = funcs->urlnotify;
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eps->realNPPFuncs.javaClass = funcs->javaClass;
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eps->realNPPFuncs.getvalue = funcs->getvalue;
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eps->realNPPFuncs.setvalue = funcs->setvalue;
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}
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eps->realShutdown = shutdownproc;
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eps->hLib = hLib;
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eps->next = mEntryPoints;
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mEntryPoints = eps;
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}
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void NPPEntryPointManager::removeEntryPointsForPlugin(NPP instance, XP_HLIB * lib)
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{
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NPPluginFuncs * eptoremove = findEntryPointsForInstance(instance);
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PluginEntryPointList * prev = NULL;
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for(PluginEntryPointList * eps = mEntryPoints; eps != NULL; eps = eps->next)
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{
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if(&eps->realNPPFuncs == eptoremove)
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{
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if(prev)
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prev->next = eps->next;
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else
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mEntryPoints = eps->next;
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*lib = eps->hLib;
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delete eps;
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return;
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}
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prev = eps;
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}
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}
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NPPluginFuncs * NPPEntryPointManager::findEntryPointsForPlugin(char * mimetype)
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{
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for(PluginEntryPointList * eps = mEntryPoints; eps != NULL; eps = eps->next)
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{
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if(0 == stricmp(eps->mimetype, mimetype))
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return &eps->realNPPFuncs;
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}
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return NULL;
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}
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NPPluginFuncs * NPPEntryPointManager::findEntryPointsForInstance(NPP instance)
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{
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for(PluginEntryPointList * eps = mEntryPoints; eps != NULL; eps = eps->next)
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{
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for(InstanceList * instances = eps->instances; instances != NULL; instances = instances->next)
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{
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if(instances->instance == instance)
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return &eps->realNPPFuncs;
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}
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}
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return NULL;
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}
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void NPPEntryPointManager::callNP_ShutdownAll()
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{
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for(PluginEntryPointList * eps = mEntryPoints; eps != NULL; eps = eps->next)
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{
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if(eps->realShutdown)
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{
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logger->logSPY_NP_Shutdown(eps->mimetype);
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eps->realShutdown();
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eps->realShutdown = NULL; // don't want to call it more than once
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}
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}
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}
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void NPPEntryPointManager::callNP_Shutdown(NPP instance)
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{
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for(PluginEntryPointList * eps = mEntryPoints; eps != NULL; eps = eps->next)
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{
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for(InstanceList * instances = eps->instances; instances != NULL; instances = instances->next)
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{
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if(instances->instance == instance)
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{
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if(eps->realShutdown)
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{
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logger->logSPY_NP_Shutdown(eps->mimetype);
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eps->realShutdown();
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eps->realShutdown = NULL; // don't want to call it more than once
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}
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}
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}
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}
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}
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NPError NPPEntryPointManager::callNPP_New(NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc, char* argn[], char* argv[], NPSavedData* saved)
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{
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NPPluginFuncs * nppfuncs = NULL;
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for(PluginEntryPointList * eps = mEntryPoints; eps != NULL; eps = eps->next)
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{
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if(0 == stricmp(eps->mimetype, pluginType))
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{
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nppfuncs = &eps->realNPPFuncs;
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// now we should associate this plugin instance with plugin entry points
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// so that later we could find entry points by instance rather than by mimetype
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InstanceList * inst = new InstanceList(instance);
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inst->next = eps->instances;
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eps->instances = inst;
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break;
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}
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}
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if(!nppfuncs || !nppfuncs->newp)
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return NPERR_GENERIC_ERROR;
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NPError rv = CallNPP_NewProc(nppfuncs->newp, pluginType, instance, mode, argc, argn, argv, saved);
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return rv;
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}
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NPError NPPEntryPointManager::callNPP_Destroy(NPP instance, NPSavedData** save, BOOL * last)
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{
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NPPluginFuncs * nppfuncs = NULL;
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BOOL done = FALSE;
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for(PluginEntryPointList * eps = mEntryPoints; eps != NULL; eps = eps->next)
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{
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InstanceList * prev = NULL;
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for(InstanceList * instances = eps->instances; instances != NULL; instances = instances->next)
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{
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if(instances->instance == instance)
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{
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nppfuncs = &eps->realNPPFuncs;
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done = TRUE;
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// check if this is the last one
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if(eps->instances->next == NULL)
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*last = TRUE;
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else
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{
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// deassociate instance if this is not the last one
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// last instance will be needed to find corresponding shutdown proc
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if(prev)
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prev->next = instances->next;
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else
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eps->instances = instances->next;
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delete instances;
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}
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break;
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}
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prev = instances;
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}
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if(done)
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break;
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}
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if(!nppfuncs || !nppfuncs->destroy)
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return NPERR_GENERIC_ERROR;
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return CallNPP_DestroyProc(nppfuncs->destroy, instance, save);
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}
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NPError NPPEntryPointManager::callNPP_SetWindow(NPP instance, NPWindow* window)
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{
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NPPluginFuncs * nppfuncs = findEntryPointsForInstance(instance);
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if(!nppfuncs || !nppfuncs->setwindow)
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return NPERR_GENERIC_ERROR;
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return CallNPP_SetWindowProc(nppfuncs->setwindow, instance, window);
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}
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NPError NPPEntryPointManager::callNPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16* stype)
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{
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NPPluginFuncs * nppfuncs = findEntryPointsForInstance(instance);
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if(!nppfuncs || !nppfuncs->newstream)
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return NPERR_GENERIC_ERROR;
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return CallNPP_NewStreamProc(nppfuncs->newstream, instance, type, stream, seekable, stype);
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}
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NPError NPPEntryPointManager::callNPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason)
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{
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NPPluginFuncs * nppfuncs = findEntryPointsForInstance(instance);
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if(!nppfuncs || !nppfuncs->destroystream)
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return NPERR_GENERIC_ERROR;
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return CallNPP_DestroyStreamProc(nppfuncs->destroystream, instance, stream, reason);
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}
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int32 NPPEntryPointManager::callNPP_WriteReady(NPP instance, NPStream* stream)
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{
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NPPluginFuncs * nppfuncs = findEntryPointsForInstance(instance);
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if(!nppfuncs || !nppfuncs->writeready)
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return NPERR_GENERIC_ERROR;
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return CallNPP_WriteReadyProc(nppfuncs->writeready, instance, stream);
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}
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int32 NPPEntryPointManager::callNPP_Write(NPP instance, NPStream* stream, int32 offset, int32 len, void* buffer)
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{
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NPPluginFuncs * nppfuncs = findEntryPointsForInstance(instance);
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if(!nppfuncs || !nppfuncs->write)
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return NPERR_GENERIC_ERROR;
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return CallNPP_WriteProc(nppfuncs->write, instance, stream, offset, len, buffer);
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}
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void NPPEntryPointManager::callNPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname)
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{
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NPPluginFuncs * nppfuncs = findEntryPointsForInstance(instance);
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if(!nppfuncs || !nppfuncs->asfile)
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return;
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CallNPP_StreamAsFileProc(nppfuncs->asfile, instance, stream, fname);
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}
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void NPPEntryPointManager::callNPP_Print(NPP instance, NPPrint* platformPrint)
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{
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NPPluginFuncs * nppfuncs = findEntryPointsForInstance(instance);
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if(!nppfuncs || !nppfuncs->print)
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return;
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CallNPP_PrintProc(nppfuncs->print, instance, platformPrint);
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}
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void NPPEntryPointManager::callNPP_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)
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{
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NPPluginFuncs * nppfuncs = findEntryPointsForInstance(instance);
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if(!nppfuncs || !nppfuncs->urlnotify)
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return;
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CallNPP_URLNotifyProc(nppfuncs->urlnotify, instance, url, reason, notifyData);
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}
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NPError NPPEntryPointManager::callNPP_GetValue(NPP instance, NPPVariable variable, void *value)
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{
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NPPluginFuncs * nppfuncs = findEntryPointsForInstance(instance);
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if(!nppfuncs || !nppfuncs->getvalue)
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return NPERR_GENERIC_ERROR;
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return CallNPP_GetValueProc(nppfuncs->getvalue, instance, variable, value);
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}
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NPError NPPEntryPointManager::callNPP_SetValue(NPP instance, NPNVariable variable, void *value)
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{
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NPPluginFuncs * nppfuncs = findEntryPointsForInstance(instance);
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if(!nppfuncs || !nppfuncs->setvalue)
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return NPERR_GENERIC_ERROR;
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return CallNPP_SetValueProc(nppfuncs->setvalue, instance, variable, value);
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}
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int16 NPPEntryPointManager::callNPP_HandleEvent(NPP instance, void* event)
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{
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NPPluginFuncs * nppfuncs = findEntryPointsForInstance(instance);
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if(!nppfuncs || !nppfuncs->event)
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return NPERR_GENERIC_ERROR;
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return CallNPP_HandleEventProc(nppfuncs->event, instance, event);
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}
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