1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* ***** BEGIN LICENSE BLOCK *****
3 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
5 * The contents of this file are subject to the Netscape Public License
6 * Version 1.1 (the "License"); you may not use this file except in
7 * compliance with the License. You may obtain a copy of the License at
8 * http://www.mozilla.org/NPL/
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
15 * The Original Code is Mozilla Communicator client code.
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.
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 NPL, 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 NPL, the GPL or the LGPL.
36 * ***** END LICENSE BLOCK ***** */
46 NPNetscapeFuncs* g_pNavigatorFuncs = 0;
47 JRIGlobalRef Private_GetJavaClass(void);
49 //\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\.
50 ////\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//.
51 // Private_GetJavaClass (global function)
53 // Given a Java class reference (thru NPP_GetJavaClass) inform JRT
54 // of this class existence
57 Private_GetJavaClass(void)
59 jref clazz = NPP_GetJavaClass();
61 JRIEnv* env = NPN_GetJavaEnv();
62 return JRI_NewGlobalRef(env, clazz);
67 //\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\.
68 ////\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//.
69 // PLUGIN DLL entry points
71 // These are the Windows specific DLL entry points. They must be exoprted
74 // we need these to be global since we have to fill one of its field
75 // with a data (class) which requires knowlwdge of the navigator
76 // jump-table. This jump table is known at Initialize time (NP_Initialize)
77 // which is called after NP_GetEntryPoint
78 static NPPluginFuncs* g_pluginFuncs;
80 //\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\.
81 ////\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//.
84 // fills in the func table used by Navigator to call entry points in
85 // plugin DLL. Note that these entry points ensure that DS is loaded
86 // by using the NP_LOADDS macro, when compiling for Win16
91 NPError WINAPI NP_EXPORT
93 NP_GetEntryPoints(NPPluginFuncs* pFuncs)
97 return NPERR_INVALID_FUNCTABLE_ERROR;
99 // if the plugin's function table is smaller than the plugin expects,
100 // then they are incompatible, and should return an error
102 pFuncs->version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
103 pFuncs->newp = NPP_New;
104 pFuncs->destroy = NPP_Destroy;
105 pFuncs->setwindow = NPP_SetWindow;
106 pFuncs->newstream = NPP_NewStream;
107 pFuncs->destroystream = NPP_DestroyStream;
108 pFuncs->asfile = NPP_StreamAsFile;
109 pFuncs->writeready = NPP_WriteReady;
110 pFuncs->write = NPP_Write;
111 pFuncs->print = NPP_Print;
112 pFuncs->getvalue = NPP_GetValue;
113 pFuncs->event = 0; /// reserved
115 g_pluginFuncs = pFuncs;
117 return NPERR_NO_ERROR;
120 //\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\.
121 ////\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//.
124 // called immediately after the plugin DLL is loaded
129 NPError WINAPI NP_EXPORT
131 NP_Initialize(NPNetscapeFuncs* pFuncs, NPPluginFuncs*)
135 return NPERR_INVALID_FUNCTABLE_ERROR;
137 g_pNavigatorFuncs = pFuncs; // save it for future reference
139 // if the plugin's major ver level is lower than the Navigator's,
140 // then they are incompatible, and should return an error
141 if(HIBYTE(pFuncs->version) > NP_VERSION_MAJOR)
142 return NPERR_INCOMPATIBLE_VERSION_ERROR;
144 // We have to defer these assignments until g_pNavigatorFuncs is set
145 int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
147 if( navMinorVers >= NPVERS_HAS_NOTIFICATION ) {
148 g_pluginFuncs->urlnotify = NPP_URLNotify;
151 if( navMinorVers >= NPVERS_HAS_LIVECONNECT ) {
152 g_pluginFuncs->javaClass = Private_GetJavaClass();
155 // NPP_Initialize is a standard (cross-platform) initialize function.
156 return NPP_Initialize();
159 //\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\.
160 ////\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//.
163 // called immediately before the plugin DLL is unloaded.
164 // This functio shuold check for some ref count on the dll to see if it is
165 // unloadable or it needs to stay in memory.
170 NPError WINAPI NP_EXPORT
175 g_pNavigatorFuncs = NULL;
176 return NPERR_NO_ERROR;
179 // END - PLUGIN DLL entry points
180 ////\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//.
181 //\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\.
183 /* NAVIGATOR Entry points */
185 /* These entry points expect to be called from within the plugin. The
186 noteworthy assumption is that DS has already been set to point to the
187 plugin's DLL data segment. Don't call these functions from outside
188 the plugin without ensuring DS is set to the DLLs data segment first,
189 typically using the NP_LOADDS macro
192 /* returns the major/minor version numbers of the Plugin API for the plugin
195 void NPN_Version(int* plugin_major, int* plugin_minor, int* netscape_major, int* netscape_minor)
197 *plugin_major = NP_VERSION_MAJOR;
198 *plugin_minor = NP_VERSION_MINOR;
199 *netscape_major = HIBYTE(g_pNavigatorFuncs->version);
200 *netscape_minor = LOBYTE(g_pNavigatorFuncs->version);
203 NPError NPN_GetValue(NPP instance, NPNVariable variable, void *result)
205 return g_pNavigatorFuncs->getvalue(instance, variable, result);
209 /* causes the specified URL to be fetched and streamed in
211 NPError NPN_GetURLNotify(NPP instance, const char *url, const char *target, void* notifyData)
214 int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
216 if( navMinorVers >= NPVERS_HAS_NOTIFICATION ) {
217 err = g_pNavigatorFuncs->geturlnotify(instance, url, target, notifyData);
220 err = NPERR_INCOMPATIBLE_VERSION_ERROR;
226 NPError NPN_GetURL(NPP instance, const char *url, const char *target)
228 return g_pNavigatorFuncs->geturl(instance, url, target);
231 NPError NPN_PostURLNotify(NPP instance, const char* url, const char* window, uint32 len, const char* buf, NPBool file, void* notifyData)
233 int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
235 if( navMinorVers >= NPVERS_HAS_NOTIFICATION ) {
236 err = g_pNavigatorFuncs->posturlnotify(instance, url, window, len, buf, file, notifyData);
239 err = NPERR_INCOMPATIBLE_VERSION_ERROR;
245 NPError NPN_PostURL(NPP instance, const char* url, const char* window, uint32 len, const char* buf, NPBool file)
247 return g_pNavigatorFuncs->posturl(instance, url, window, len, buf, file);
250 /* Requests that a number of bytes be provided on a stream. Typically
251 this would be used if a stream was in "pull" mode. An optional
252 position can be provided for streams which are seekable.
254 NPError NPN_RequestRead(NPStream* stream, NPByteRange* rangeList)
256 return g_pNavigatorFuncs->requestread(stream, rangeList);
259 /* Creates a new stream of data from the plug-in to be interpreted
260 by Netscape in the current window.
262 NPError NPN_NewStream(NPP instance, NPMIMEType type,
263 const char* target, NPStream** stream)
265 int navMinorVersion = g_pNavigatorFuncs->version & 0xFF;
268 if( navMinorVersion >= NPVERS_HAS_STREAMOUTPUT ) {
269 err = g_pNavigatorFuncs->newstream(instance, type, target, stream);
272 err = NPERR_INCOMPATIBLE_VERSION_ERROR;
277 /* Provides len bytes of data.
279 int32 NPN_Write(NPP instance, NPStream *stream,
280 int32 len, void *buffer)
282 int navMinorVersion = g_pNavigatorFuncs->version & 0xFF;
285 if( navMinorVersion >= NPVERS_HAS_STREAMOUTPUT ) {
286 result = g_pNavigatorFuncs->write(instance, stream, len, buffer);
294 /* Closes a stream object.
295 reason indicates why the stream was closed.
297 NPError NPN_DestroyStream(NPP instance, NPStream* stream, NPError reason)
299 int navMinorVersion = g_pNavigatorFuncs->version & 0xFF;
302 if( navMinorVersion >= NPVERS_HAS_STREAMOUTPUT ) {
303 err = g_pNavigatorFuncs->destroystream(instance, stream, reason);
306 err = NPERR_INCOMPATIBLE_VERSION_ERROR;
311 /* Provides a text status message in the Netscape client user interface
313 void NPN_Status(NPP instance, const char *message)
315 g_pNavigatorFuncs->status(instance, message);
318 /* returns the user agent string of Navigator, which contains version info
320 const char* NPN_UserAgent(NPP instance)
322 return g_pNavigatorFuncs->uagent(instance);
325 /* allocates memory from the Navigator's memory space. Necessary so that
326 saved instance data may be freed by Navigator when exiting.
330 void* NPN_MemAlloc(uint32 size)
332 return g_pNavigatorFuncs->memalloc(size);
335 /* reciprocal of MemAlloc() above
337 void NPN_MemFree(void* ptr)
339 g_pNavigatorFuncs->memfree(ptr);
342 /* private function to Netscape. do not use!
344 void NPN_ReloadPlugins(NPBool reloadPages)
346 g_pNavigatorFuncs->reloadplugins(reloadPages);
349 JRIEnv* NPN_GetJavaEnv(void)
351 return g_pNavigatorFuncs->getJavaEnv();
354 jref NPN_GetJavaPeer(NPP instance)
356 return g_pNavigatorFuncs->getJavaPeer(instance);