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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /* ***** BEGIN LICENSE BLOCK *****
3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4  *
5  * The contents of this file are subject to the Mozilla Public License Version
6  * 1.1 (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  * http://www.mozilla.org/MPL/
9  *
10  * Software distributed under the License is distributed on an "AS IS" basis,
11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12  * for the specific language governing rights and limitations under the
13  * License.
14  *
15  * The Original Code is mozilla.org code.
16  *
17  * The Initial Developer of the Original Code is
18  * Netscape Communications Corporation.
19  * Portions created by the Initial Developer are Copyright (C) 1998
20  * the Initial Developer. All Rights Reserved.
21  *
22  * Contributor(s):
23  *
24  * Alternatively, the contents of this file may be used under the terms of
25  * either the GNU General Public License Version 2 or later (the "GPL"), or
26  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27  * in which case the provisions of the GPL or the LGPL are applicable instead
28  * of those above. If you wish to allow use of your version of this file only
29  * under the terms of either the GPL or the LGPL, and not to allow others to
30  * use your version of this file under the terms of the MPL, indicate your
31  * decision by deleting the provisions above and replace them with the notice
32  * and other provisions required by the GPL or the LGPL. If you do not delete
33  * the provisions above, a recipient may use your version of this file under
34  * the terms of any one of the MPL, the GPL or the LGPL.
35  *
36  * ***** END LICENSE BLOCK ***** */
37 
38 #include "xp.h"
39 
40 #include "npapi.h"
41 #include "npupp.h"
42 #include "epmanager.h"
43 #include "logger.h"
44 
45 // we need to keep track of different plugins and different instances
46 // of the same plugin when we call NPP functions, so that we always
47 // call the right ones. Entry point manager will take care of it.
48 NPPEntryPointManager * epManager = NULL;
49 
50 Logger * logger = NULL;
51 
52 NPNetscapeFuncs NPNFuncs;
53 
NP_GetEntryPoints(NPPluginFuncs * pFuncs)54 NPError WINAPI NP_GetEntryPoints(NPPluginFuncs* pFuncs)
55 {
56   // create the logger
57   if(!logger)
58   {
59     logger = NewLogger();
60     if(logger)
61     {
62       logger->platformInit();
63       logger->init();
64     }
65   }
66 
67   if(logger)
68     logger->logNS_NP_GetEntryPoints();
69 
70   if(pFuncs == NULL)
71     return NPERR_INVALID_FUNCTABLE_ERROR;
72 
73   if(pFuncs->size < sizeof(NPPluginFuncs))
74     return NPERR_INVALID_FUNCTABLE_ERROR;
75 
76   pFuncs->version       = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
77   pFuncs->newp          = NPP_New;
78   pFuncs->destroy       = NPP_Destroy;
79   pFuncs->setwindow     = NPP_SetWindow;
80   pFuncs->newstream     = NPP_NewStream;
81   pFuncs->destroystream = NPP_DestroyStream;
82   pFuncs->asfile        = NPP_StreamAsFile;
83   pFuncs->writeready    = NPP_WriteReady;
84   pFuncs->write         = NPP_Write;
85   pFuncs->print         = NPP_Print;
86   pFuncs->event         = NPP_HandleEvent;
87   pFuncs->urlnotify     = NPP_URLNotify;
88   pFuncs->getvalue      = NPP_GetValue;
89   pFuncs->setvalue      = NPP_SetValue;
90   pFuncs->javaClass     = NULL;
91 
92   return NPERR_NO_ERROR;
93 }
94 
NP_Initialize(NPNetscapeFuncs * pFuncs)95 NPError WINAPI NP_Initialize(NPNetscapeFuncs* pFuncs)
96 {
97    // DebugBreak();
98 
99   // create the logger
100   if(!logger)
101   {
102     logger = NewLogger();
103     if(logger)
104     {
105       logger->platformInit();
106       logger->init();
107     }
108   }
109 
110   if(logger)
111     logger->logNS_NP_Initialize();
112 
113   if(pFuncs == NULL) {
114     logger->logMessage("NP_Initialize: NULL functable!\r\n");
115     return NPERR_INVALID_FUNCTABLE_ERROR;
116   }
117 
118   if(HIBYTE(pFuncs->version) > NP_VERSION_MAJOR) {
119     logger->logMessage("NP_Initialize: incompatible version!\r\n");
120     return NPERR_INCOMPATIBLE_VERSION_ERROR;
121   }
122 
123   /*
124    *
125    * Removing this check so that we can work with older versions
126    * of servers (which may provide fewer functions)
127    *
128   if(pFuncs->size < sizeof NPNetscapeFuncs) {
129     logger->logReturn(NPERR_INVALID_FUNCTABLE_ERROR);
130     char msg[512];
131     sprintf(msg, "functable is %d, expected %d", pFuncs->size, sizeof(NPNetscapeFuncs));
132     logger->logMessage(msg);
133     return NPERR_INVALID_FUNCTABLE_ERROR;
134   }
135    *
136    */
137 
138   NPNFuncs.size             = pFuncs->size;
139   NPNFuncs.version          = pFuncs->version;
140   NPNFuncs.geturlnotify     = pFuncs->geturlnotify;
141   NPNFuncs.geturl           = pFuncs->geturl;
142   NPNFuncs.posturlnotify    = pFuncs->posturlnotify;
143   NPNFuncs.posturl          = pFuncs->posturl;
144   NPNFuncs.requestread      = pFuncs->requestread;
145   NPNFuncs.newstream        = pFuncs->newstream;
146   NPNFuncs.write            = pFuncs->write;
147   NPNFuncs.destroystream    = pFuncs->destroystream;
148   NPNFuncs.status           = pFuncs->status;
149   NPNFuncs.uagent           = pFuncs->uagent;
150   NPNFuncs.memalloc         = pFuncs->memalloc;
151   NPNFuncs.memfree          = pFuncs->memfree;
152   NPNFuncs.memflush         = pFuncs->memflush;
153   NPNFuncs.reloadplugins    = pFuncs->reloadplugins;
154   NPNFuncs.getJavaEnv       = pFuncs->getJavaEnv;
155   NPNFuncs.getJavaPeer      = pFuncs->getJavaPeer;
156   NPNFuncs.getvalue         = pFuncs->getvalue;
157   NPNFuncs.setvalue         = pFuncs->setvalue;
158   NPNFuncs.invalidaterect   = pFuncs->invalidaterect;
159   NPNFuncs.invalidateregion = pFuncs->invalidateregion;
160   NPNFuncs.forceredraw      = pFuncs->forceredraw;
161   NPNFuncs.getstringidentifier      = pFuncs->getstringidentifier;
162   NPNFuncs.getstringidentifiers      = pFuncs->getstringidentifiers;
163   NPNFuncs.identifierisstring      = pFuncs->identifierisstring;
164   NPNFuncs.utf8fromidentifier      = pFuncs->utf8fromidentifier;
165   NPNFuncs.intfromidentifier      = pFuncs->intfromidentifier;
166   NPNFuncs.createobject      = pFuncs->createobject;
167   NPNFuncs.retainobject      = pFuncs->retainobject;
168   NPNFuncs.releaseobject      = pFuncs->releaseobject;
169   NPNFuncs.invoke      = pFuncs->invoke;
170   NPNFuncs.invokeDefault      = pFuncs->invokeDefault;
171   NPNFuncs.evaluate      = pFuncs->evaluate;
172   NPNFuncs.getproperty      = pFuncs->getproperty;
173   NPNFuncs.setproperty      = pFuncs->setproperty;
174   NPNFuncs.removeproperty      = pFuncs->removeproperty;
175   NPNFuncs.hasproperty      = pFuncs->hasproperty;
176   NPNFuncs.hasmethod      = pFuncs->hasmethod;
177   NPNFuncs.releasevariantvalue      = pFuncs->releasevariantvalue;
178   NPNFuncs.setexception      = pFuncs->setexception;
179   NPNFuncs.pushpopupsenabledstate      = pFuncs->pushpopupsenabledstate;
180   NPNFuncs.poppopupsenabledstate      = pFuncs->poppopupsenabledstate;
181   NPNFuncs.enumerate      = pFuncs->enumerate;
182 
183   // create entry point manager for real plugins
184   epManager = new NPPEntryPointManager();
185   if(!epManager) {
186     logger->logMessage("NP_Initialize: could not create EntryPointManager\r\n");
187     return NPERR_GENERIC_ERROR;
188   }
189 
190   logger->logMessage("NP_Initialize: success\r\n");
191   return NPERR_NO_ERROR;
192 }
193 
NP_Shutdown()194 NPError WINAPI NP_Shutdown()
195 {
196   // should be safe because if they've already been called shutdown procs must be NULL
197   if(epManager)
198     epManager->callNP_ShutdownAll(); // this will log the action
199 
200   if(logger)
201   {
202     logger->shut();
203     logger->platformShut();
204     DeleteLogger(logger);
205     logger = NULL;
206   }
207 
208   delete epManager;
209 
210   return NPERR_NO_ERROR;
211 }
212