modules/plugin/sdk/samples/npruntime/npn_gate.cpp

   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
   4  *
   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/
   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
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  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
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  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.
  35  *
  36  * ***** END LICENSE BLOCK ***** */
  37
  38 ////////////////////////////////////////////////////////////
  39 //
  40 // Implementation of Netscape entry points (NPN_*)
  41 //
  42 #include "npapi.h"
  43 #include "npfunctions.h"
  44
  45 #ifndef HIBYTE
  46 #define HIBYTE(x) ((((uint32_t)(x)) & 0xff00) >> 8)
  47 #endif
  48
  49 #ifndef LOBYTE
  50 #define LOBYTE(W) ((W) & 0xFF)
  51 #endif
  52
  53 extern NPNetscapeFuncs NPNFuncs;
  54
  55 void NPN_Version(int* plugin_major, int* plugin_minor, int* netscape_major, int* netscape_minor)
  56 {
  57   *plugin_major   = NP_VERSION_MAJOR;
  58   *plugin_minor   = NP_VERSION_MINOR;
  59   *netscape_major = HIBYTE(NPNFuncs.version);
  60   *netscape_minor = LOBYTE(NPNFuncs.version);
  61 }
  62
  63 NPError NPN_GetURLNotify(NPP instance, const char *url, const char *target, void* notifyData)
  64 {
  65         int navMinorVers = NPNFuncs.version & 0xFF;
  66   NPError rv = NPERR_NO_ERROR;
  67
  68   if( navMinorVers >= NPVERS_HAS_NOTIFICATION )
  69                 rv = NPNFuncs.geturlnotify(instance, url, target, notifyData);
  70         else
  71                 rv = NPERR_INCOMPATIBLE_VERSION_ERROR;
  72
  73   return rv;
  74 }
  75
  76 NPError NPN_GetURL(NPP instance, const char *url, const char *target)
  77 {
  78   NPError rv = NPNFuncs.geturl(instance, url, target);
  79   return rv;
  80 }
  81
  82 NPError NPN_PostURLNotify(NPP instance, const char* url, const char* window, uint32_t len, const char* buf, NPBool file, void* notifyData)
  83 {
  84         int navMinorVers = NPNFuncs.version & 0xFF;
  85   NPError rv = NPERR_NO_ERROR;
  86
  87         if( navMinorVers >= NPVERS_HAS_NOTIFICATION )
  88                 rv = NPNFuncs.posturlnotify(instance, url, window, len, buf, file, notifyData);
  89         else
  90                 rv = NPERR_INCOMPATIBLE_VERSION_ERROR;
  91
  92   return rv;
  93 }
  94
  95 NPError NPN_PostURL(NPP instance, const char* url, const char* window, uint32_t len, const char* buf, NPBool file)
  96 {
  97   NPError rv = NPNFuncs.posturl(instance, url, window, len, buf, file);
  98   return rv;
  99 }
 100
 101 NPError NPN_RequestRead(NPStream* stream, NPByteRange* rangeList)
 102 {
 103   NPError rv = NPNFuncs.requestread(stream, rangeList);
 104   return rv;
 105 }
 106
 107 NPError NPN_NewStream(NPP instance, NPMIMEType type, const char* target, NPStream** stream)
 108 {
 109         int navMinorVersion = NPNFuncs.version & 0xFF;
 110
 111   NPError rv = NPERR_NO_ERROR;
 112
 113         if( navMinorVersion >= NPVERS_HAS_STREAMOUTPUT )
 114                 rv = NPNFuncs.newstream(instance, type, target, stream);
 115         else
 116                 rv = NPERR_INCOMPATIBLE_VERSION_ERROR;
 117
 118   return rv;
 119 }
 120
 121 int32_t NPN_Write(NPP instance, NPStream *stream, int32_t len, void *buffer)
 122 {
 123         int navMinorVersion = NPNFuncs.version & 0xFF;
 124   int32_t rv = 0;
 125
 126   if( navMinorVersion >= NPVERS_HAS_STREAMOUTPUT )
 127                 rv = NPNFuncs.write(instance, stream, len, buffer);
 128         else
 129                 rv = -1;
 130
 131   return rv;
 132 }
 133
 134 NPError NPN_DestroyStream(NPP instance, NPStream* stream, NPError reason)
 135 {
 136         int navMinorVersion = NPNFuncs.version & 0xFF;
 137   NPError rv = NPERR_NO_ERROR;
 138
 139   if( navMinorVersion >= NPVERS_HAS_STREAMOUTPUT )
 140                 rv = NPNFuncs.destroystream(instance, stream, reason);
 141         else
 142                 rv = NPERR_INCOMPATIBLE_VERSION_ERROR;
 143
 144   return rv;
 145 }
 146
 147 void NPN_Status(NPP instance, const char *message)
 148 {
 149   NPNFuncs.status(instance, message);
 150 }
 151
 152 const char* NPN_UserAgent(NPP instance)
 153 {
 154   const char * rv = NULL;
 155   rv = NPNFuncs.uagent(instance);
 156   return rv;
 157 }
 158
 159 void* NPN_MemAlloc(uint32_t size)
 160 {
 161   void * rv = NULL;
 162   rv = NPNFuncs.memalloc(size);
 163   return rv;
 164 }
 165
 166 void NPN_MemFree(void* ptr)
 167 {
 168   NPNFuncs.memfree(ptr);
 169 }
 170
 171 uint32_t NPN_MemFlush(uint32_t size)
 172 {
 173   uint32_t rv = NPNFuncs.memflush(size);
 174   return rv;
 175 }
 176
 177 void NPN_ReloadPlugins(NPBool reloadPages)
 178 {
 179   NPNFuncs.reloadplugins(reloadPages);
 180 }
 181
 182 NPError NPN_GetValue(NPP instance, NPNVariable variable, void *value)
 183 {
 184   NPError rv = NPNFuncs.getvalue(instance, variable, value);
 185   return rv;
 186 }
 187
 188 NPError NPN_SetValue(NPP instance, NPPVariable variable, void *value)
 189 {
 190   NPError rv = NPNFuncs.setvalue(instance, variable, value);
 191   return rv;
 192 }
 193
 194 void NPN_InvalidateRect(NPP instance, NPRect *invalidRect)
 195 {
 196   NPNFuncs.invalidaterect(instance, invalidRect);
 197 }
 198
 199 void NPN_InvalidateRegion(NPP instance, NPRegion invalidRegion)
 200 {
 201   NPNFuncs.invalidateregion(instance, invalidRegion);
 202 }
 203
 204 void NPN_ForceRedraw(NPP instance)
 205 {
 206   NPNFuncs.forceredraw(instance);
 207 }
 208
 209 NPIdentifier NPN_GetStringIdentifier(const NPUTF8 *name)
 210 {
 211   return NPNFuncs.getstringidentifier(name);
 212 }
 213
 214 void NPN_GetStringIdentifiers(const NPUTF8 **names, uint32_t nameCount,
 215                               NPIdentifier *identifiers)
 216 {
 217   return NPNFuncs.getstringidentifiers(names, nameCount, identifiers);
 218 }
 219
 220 NPIdentifier NPN_GetStringIdentifier(int32_t intid)
 221 {
 222   return NPNFuncs.getintidentifier(intid);
 223 }
 224
 225 bool NPN_IdentifierIsString(NPIdentifier identifier)
 226 {
 227   return NPNFuncs.identifierisstring(identifier);
 228 }
 229
 230 NPUTF8 *NPN_UTF8FromIdentifier(NPIdentifier identifier)
 231 {
 232   return NPNFuncs.utf8fromidentifier(identifier);
 233 }
 234
 235 int32_t NPN_IntFromIdentifier(NPIdentifier identifier)
 236 {
 237   return NPNFuncs.intfromidentifier(identifier);
 238 }
 239
 240 NPObject *NPN_CreateObject(NPP npp, NPClass *aClass)
 241 {
 242   return NPNFuncs.createobject(npp, aClass);
 243 }
 244
 245 NPObject *NPN_RetainObject(NPObject *obj)
 246 {
 247   return NPNFuncs.retainobject(obj);
 248 }
 249
 250 void NPN_ReleaseObject(NPObject *obj)
 251 {
 252   return NPNFuncs.releaseobject(obj);
 253 }
 254
 255 bool NPN_Invoke(NPP npp, NPObject* obj, NPIdentifier methodName,
 256                 const NPVariant *args, uint32_t argCount, NPVariant *result)
 257 {
 258   return NPNFuncs.invoke(npp, obj, methodName, args, argCount, result);
 259 }
 260
 261 bool NPN_InvokeDefault(NPP npp, NPObject* obj, const NPVariant *args,
 262                        uint32_t argCount, NPVariant *result)
 263 {
 264   return NPNFuncs.invokeDefault(npp, obj, args, argCount, result);
 265 }
 266
 267 bool NPN_Evaluate(NPP npp, NPObject* obj, NPString *script,
 268                   NPVariant *result)
 269 {
 270   return NPNFuncs.evaluate(npp, obj, script, result);
 271 }
 272
 273 bool NPN_GetProperty(NPP npp, NPObject* obj, NPIdentifier propertyName,
 274                      NPVariant *result)
 275 {
 276   return NPNFuncs.getproperty(npp, obj, propertyName, result);
 277 }
 278
 279 bool NPN_SetProperty(NPP npp, NPObject* obj, NPIdentifier propertyName,
 280                      const NPVariant *value)
 281 {
 282   return NPNFuncs.setproperty(npp, obj, propertyName, value);
 283 }
 284
 285 bool NPN_RemoveProperty(NPP npp, NPObject* obj, NPIdentifier propertyName)
 286 {
 287   return NPNFuncs.removeproperty(npp, obj, propertyName);
 288 }
 289
 290 bool NPN_Enumerate(NPP npp, NPObject *obj, NPIdentifier **identifier,
 291                    uint32_t *count)
 292 {
 293   return NPNFuncs.enumerate(npp, obj, identifier, count);
 294 }
 295
 296 bool NPN_Construct(NPP npp, NPObject *obj, const NPVariant *args,
 297                    uint32_t argCount, NPVariant *result)
 298 {
 299   return NPNFuncs.construct(npp, obj, args, argCount, result);
 300 }
 301
 302 bool NPN_HasProperty(NPP npp, NPObject* obj, NPIdentifier propertyName)
 303 {
 304   return NPNFuncs.hasproperty(npp, obj, propertyName);
 305 }
 306
 307 bool NPN_HasMethod(NPP npp, NPObject* obj, NPIdentifier methodName)
 308 {
 309   return NPNFuncs.hasmethod(npp, obj, methodName);
 310 }
 311
 312 void NPN_ReleaseVariantValue(NPVariant *variant)
 313 {
 314   NPNFuncs.releasevariantvalue(variant);
 315 }
 316
 317 void NPN_SetException(NPObject* obj, const NPUTF8 *message)
 318 {
 319   NPNFuncs.setexception(obj, message);
 320 }