1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2  *
3  * ***** BEGIN LICENSE BLOCK *****
4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5  *
6  * The contents of this file are subject to the Mozilla Public License Version
7  * 1.1 (the "License"); you may not use this file except in compliance with
8  * the License. You may obtain a copy of the License at
9  * http://www.mozilla.org/MPL/
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is mozilla.org code.
17  *
18  * The Initial Developer of the Original Code is
19  * Netscape Communications Corporation.
20  * Portions created by the Initial Developer are Copyright (C) 1998
21  * the Initial Developer. All Rights Reserved.
22  *
23  * Contributor(s):
24  *   Stephen Mak <smak@sun.com>
25  *
26  * Alternatively, the contents of this file may be used under the terms of
27  * either of the GNU General Public License Version 2 or later (the "GPL"),
28  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29  * in which case the provisions of the GPL or the LGPL are applicable instead
30  * of those above. If you wish to allow use of your version of this file only
31  * under the terms of either the GPL or the LGPL, and not to allow others to
32  * use your version of this file under the terms of the MPL, indicate your
33  * decision by deleting the provisions above and replace them with the notice
34  * and other provisions required by the GPL or the LGPL. If you do not delete
35  * the provisions above, a recipient may use your version of this file under
36  * the terms of any one of the MPL, the GPL or the LGPL.
37  *
38  * ***** END LICENSE BLOCK ***** */
39 
40 #include <stdio.h>
41 #include <string.h>
42 
43 #include "npapi.h"
44 #include "npruntime.h"
45 #include "npp_func_tab.h"
46 #include "npp_funcs.h"
47 
48 /***********************************************************************
49  *
50  * Wrapper functions : plugin calling Netscape Navigator
51  *
52  * These functions let the plugin developer just call the APIs
53  * as documented and defined in npapi.h, without needing to know
54  * about the function table and call macros in npupp.h.
55  *
56  ***********************************************************************/
57 
NPP_Version(int * plugin_major,int * plugin_minor)58 void NPP_Version(int * plugin_major, int * plugin_minor)
59 {
60     *plugin_major = NP_VERSION_MAJOR;
61     *plugin_minor = NP_VERSION_MINOR;
62 }
63 
64 
NPP_InitFuncTable(NPPluginFuncs * pluginFuncs)65 NPError NPP_InitFuncTable(NPPluginFuncs * pluginFuncs)
66 {
67     NPError err = NPERR_NO_ERROR;
68 
69     if (pluginFuncs != NULL)
70     {
71         /* Create a temporary local copy */
72         NPPluginFuncs funcs;
73 
74         /* Zero to start */
75         memset(&funcs, 0, sizeof(NPPluginFuncs));
76 
77         /* First create a local copy of the table */
78         funcs.version = (NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR;
79         funcs.newp = NPP_New;
80         funcs.destroy = NPP_Destroy;
81         funcs.setwindow = NPP_SetWindow;
82         funcs.newstream = NPP_NewStream;
83         funcs.destroystream = NPP_DestroyStream;
84         funcs.asfile = NPP_StreamAsFile;
85         funcs.writeready = NPP_WriteReady;
86         funcs.write = NPP_Write;
87         funcs.print = NPP_Print;
88         funcs.event = NPP_HandleEvent;
89         funcs.urlnotify = NPP_URLNotify;
90         funcs.getvalue = (NPP_GetValueProcPtr) NPP_GetValue;
91         funcs.setvalue = NPP_SetValue;
92         funcs.gotfocus = NPP_GotFocus;
93         funcs.lostfocus = NPP_LostFocus;
94         funcs.urlredirectnotify = NPP_URLRedirectNotify;
95         funcs.clearsitedata = NPP_ClearSiteData;
96         funcs.getsiteswithdata = NPP_GetSitesWithData;
97 
98         if(pluginFuncs->size > sizeof(NPPluginFuncs))
99         {
100             /* Zero the fields we dont have anything for */
101             memset(&pluginFuncs[sizeof(NPPluginFuncs)], 0,
102                                      pluginFuncs->size - sizeof(NPPluginFuncs));
103             funcs.size = sizeof(NPPluginFuncs);
104         }
105         else
106         {
107             funcs.size = pluginFuncs->size;
108         }
109 
110         /* Copy across */
111         memcpy(pluginFuncs, &funcs, funcs.size);
112     }
113     else
114     {
115         err = NPERR_INVALID_FUNCTABLE_ERROR;
116     }
117     return err;
118 }
119