embedding/browser/activex/src/pluginhostctrl/npn.cpp

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
  12  * License.
  13  *
  14  * The Original Code is the Netscape security libraries.
  15  *
  16  * The Initial Developer of the Original Code is
  17  * Netscape Communications Corporation.
  18  * Portions created by the Initial Developer are Copyright (C) 1994-2000
  19  * the Initial Developer. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *   Adam Lock <adamlock@eircom.net>
  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 "stdafx.h"
  39
  40 #include "npn.h"
  41 #include "Pluginhostctrl.h"
  42
  43 #include "nsPluginHostWnd.h"
  44
  45 static NPError
  46 _OpenURL(NPP npp, const char *szURL, const char *szTarget, void *pNotifyData, const char *pData, uint32 len, NPBool isFile)
  47 {
  48     if (!npp)
  49     {
  50         return NPERR_INVALID_INSTANCE_ERROR;
  51     }
  52
  53     void *postData = NULL;
  54     uint32 postDataLen = 0;
  55     if (pData)
  56     {
  57         if (!isFile)
  58         {
  59             postData = (void *) pData;
  60             postDataLen = len;
  61         }
  62         else
  63         {
  64             // TODO read the file specified in the postdata param into memory
  65         }
  66     }
  67
  68     nsPluginHostWnd *pWnd = (nsPluginHostWnd *) npp->ndata;
  69     ATLASSERT(pWnd);
  70
  71     // Other window targets
  72     if (szTarget)
  73     {
  74         CComPtr<IWebBrowserApp> cpBrowser;
  75         pWnd->GetWebBrowserApp(&cpBrowser);
  76         if (!cpBrowser)
  77         {
  78             return NPERR_GENERIC_ERROR;
  79         }
  80
  81         CComBSTR url(szURL);
  82
  83         HRESULT hr;
  84
  85         // Test if the input URL has a schema which means it's relative,
  86         // otherwise consider it to be relative to the current URL
  87
  88         WCHAR szSchema[10];
  89         const DWORD cbSchema = sizeof(szSchema) / sizeof(szSchema[0]);
  90         DWORD cbSchemaUsed = 0;
  91
  92         memset(szSchema, 0, cbSchema);
  93         hr = CoInternetParseUrl(url.m_str, PARSE_SCHEMA, 0,
  94             szSchema, cbSchema, &cbSchemaUsed, 0);
  95
  96         if (hr != S_OK || cbSchemaUsed == 0)
  97         {
  98             // Convert relative URLs to absolute, so that they can be loaded
  99             // by the Browser
 100
 101             CComBSTR bstrCurrentURL;
 102             cpBrowser->get_LocationURL(&bstrCurrentURL);
 103
 104             if (bstrCurrentURL.Length())
 105             {
 106                 USES_CONVERSION;
 107                 DWORD cbNewURL = (url.Length() + bstrCurrentURL.Length() + 1) * sizeof(WCHAR);
 108                 DWORD cbNewURLUsed = 0;
 109                 WCHAR *pszNewURL = (WCHAR *) calloc(cbNewURL, 1);
 110                 ATLASSERT(pszNewURL);
 111
 112                 CoInternetCombineUrl(
 113                     bstrCurrentURL.m_str,
 114                     url.m_str,
 115                     0,
 116                     pszNewURL,
 117                     cbNewURL,
 118                     &cbNewURLUsed,
 119                     0);
 120
 121                 ATLASSERT(cbNewURLUsed < cbNewURL);
 122
 123                 url = pszNewURL;
 124                 free(pszNewURL);
 125             }
 126         }
 127
 128         CComVariant vFlags;
 129         CComVariant vTarget(szTarget);
 130         CComVariant vPostData;
 131         CComVariant vHeaders;
 132
 133         // Initialise postdata
 134         if (postData)
 135         {
 136             // According to the documentation.
 137             // The post data specified by PostData is passed as a SAFEARRAY
 138             // structure. The variant should be of type VT_ARRAY and point to
 139             // a SAFEARRAY. The SAFEARRAY should be of element type VT_UI1,
 140             // dimension one, and have an element count equal to the number of
 141             // bytes of post data.
 142
 143             SAFEARRAYBOUND saBound[1];
 144             saBound[0].lLbound = 0;
 145             saBound[0].cElements = len;
 146             vPostData.vt = VT_ARRAY | VT_UI1;
 147             vPostData.parray = SafeArrayCreate(VT_UI1, 1, saBound);
 148             SafeArrayLock(vPostData.parray);
 149             memcpy(vPostData.parray->pvData, postData, postDataLen);
 150             SafeArrayUnlock(vPostData.parray);
 151         }
 152
 153         cpBrowser->Navigate(url, &vFlags, &vTarget, &vPostData, &vHeaders);
 154         // TODO listen to navigation & send a URL notify to plugin when completed
 155         return NPERR_NO_ERROR;
 156     }
 157
 158     USES_CONVERSION;
 159     HRESULT hr = pWnd->OpenURLStream(A2CT(szURL), pNotifyData, postData, postDataLen);
 160     return SUCCEEDED(hr) ? NPERR_NO_ERROR : NPERR_GENERIC_ERROR;
 161 }
 162
 163
 164 NPError NP_EXPORT
 165 NPN_GetURL(NPP npp, const char* relativeURL, const char* target)
 166 {
 167     return _OpenURL(npp, relativeURL, target, NULL, NULL, 0, FALSE);
 168 }
 169
 170 ////////////////////////////////////////////////////////////////////////
 171 NPError NP_EXPORT
 172 NPN_GetURLNotify(NPP         npp,
 173               const char* relativeURL,
 174               const char* target,
 175               void*       notifyData)
 176 {
 177     if (strncmp("javascript:", relativeURL, 11) == 0)
 178         return NPERR_INVALID_URL;
 179
 180     return _OpenURL(npp, relativeURL, target, notifyData, NULL, 0, FALSE);
 181 }
 182
 183
 184 ////////////////////////////////////////////////////////////////////////
 185 NPError NP_EXPORT
 186 NPN_PostURLNotify(NPP         npp,
 187                const char *relativeURL,
 188                const char *target,
 189                uint32     len,
 190                const char *buf,
 191                NPBool     file,
 192                void       *notifyData)
 193 {
 194     return _OpenURL(npp, relativeURL, target, notifyData, buf, len, file);
 195 }
 196
 197
 198 ////////////////////////////////////////////////////////////////////////
 199 NPError NP_EXPORT
 200 NPN_PostURL(NPP npp,
 201          const char *relativeURL,
 202          const char *target,
 203          uint32     len,
 204          const char *buf,
 205          NPBool     file)
 206 {
 207     return _OpenURL(npp, relativeURL, target, NULL, buf, len, file);
 208 }
 209
 210
 211 ////////////////////////////////////////////////////////////////////////
 212 NPError NP_EXPORT
 213 NPN_NewStream(NPP npp, NPMIMEType type, const char* window, NPStream* *result)
 214 {
 215     if (!npp)
 216     {
 217         return NPERR_INVALID_INSTANCE_ERROR;
 218     }
 219
 220     return NPERR_GENERIC_ERROR;
 221 }
 222
 223
 224 ////////////////////////////////////////////////////////////////////////
 225 int32 NP_EXPORT
 226 NPN_Write(NPP npp, NPStream *pstream, int32 len, void *buffer)
 227 {
 228     if (!npp)
 229     {
 230         return NPERR_INVALID_INSTANCE_ERROR;
 231     }
 232
 233     return NPERR_GENERIC_ERROR;
 234 }
 235
 236
 237 ////////////////////////////////////////////////////////////////////////
 238 NPError NP_EXPORT
 239 NPN_DestroyStream(NPP npp, NPStream *pstream, NPError reason)
 240 {
 241     if (!npp)
 242     {
 243         return NPERR_INVALID_INSTANCE_ERROR;
 244     }
 245
 246     return NPERR_GENERIC_ERROR;
 247 }
 248
 249
 250 ////////////////////////////////////////////////////////////////////////
 251 void NP_EXPORT
 252 NPN_Status(NPP npp, const char *message)
 253 {
 254     if (!npp)
 255     {
 256         return;
 257     }
 258
 259     nsPluginHostWnd *pWnd = (nsPluginHostWnd *) npp->ndata;
 260     ATLASSERT(pWnd);
 261
 262     // Update the status bar in the browser
 263     CComPtr<IWebBrowserApp> cpBrowser;
 264     pWnd->GetWebBrowserApp(&cpBrowser);
 265     if (cpBrowser)
 266     {
 267         USES_CONVERSION;
 268         cpBrowser->put_StatusText(A2OLE(message));
 269     }
 270 }
 271
 272
 273 ////////////////////////////////////////////////////////////////////////
 274 void * NP_EXPORT
 275 NPN_MemAlloc (uint32 size)
 276 {
 277     return malloc(size);
 278 }
 279
 280
 281 ////////////////////////////////////////////////////////////////////////
 282 void NP_EXPORT
 283 NPN_MemFree (void *ptr)
 284 {
 285     if (ptr)
 286     {
 287         free(ptr);
 288     }
 289 }
 290
 291
 292 ////////////////////////////////////////////////////////////////////////
 293 uint32 NP_EXPORT
 294 NPN_MemFlush(uint32 size)
 295 {
 296     return 0;
 297 }
 298
 299
 300 ////////////////////////////////////////////////////////////////////////
 301 void NP_EXPORT
 302 NPN_ReloadPlugins(NPBool reloadPages)
 303 {
 304 }
 305
 306
 307 ////////////////////////////////////////////////////////////////////////
 308 void NP_EXPORT
 309 NPN_InvalidateRect(NPP npp, NPRect *invalidRect)
 310 {
 311     if (!npp)
 312     {
 313         return;
 314     }
 315
 316     nsPluginHostWnd *pWnd = (nsPluginHostWnd *) npp->ndata;
 317     ATLASSERT(pWnd);
 318
 319     RECT *prc = NULL;
 320     RECT rcInvalid;
 321     if (invalidRect)
 322     {
 323         prc = &rcInvalid;
 324         prc->left = invalidRect->left;
 325         prc->bottom = invalidRect->bottom;
 326         prc->top = invalidRect->top;
 327         prc->right = invalidRect->right;
 328     }
 329     pWnd->InvalidateRect(prc, FALSE);
 330 }
 331
 332
 333 ////////////////////////////////////////////////////////////////////////
 334 void NP_EXPORT
 335 NPN_InvalidateRegion(NPP npp, NPRegion invalidRegion)
 336 {
 337     if (!npp)
 338     {
 339         return;
 340     }
 341     nsPluginHostWnd *pWnd = (nsPluginHostWnd *) npp->ndata;
 342     ATLASSERT(pWnd);
 343
 344     pWnd->InvalidateRgn(invalidRegion, FALSE);
 345 }
 346
 347
 348 ////////////////////////////////////////////////////////////////////////
 349 void NP_EXPORT
 350 NPN_ForceRedraw(NPP npp)
 351 {
 352     if (!npp)
 353     {
 354         return;
 355     }
 356     nsPluginHostWnd *pWnd = (nsPluginHostWnd *) npp->ndata;
 357     ATLASSERT(pWnd);
 358     pWnd->InvalidateRect(NULL, FALSE);
 359 }
 360
 361 ////////////////////////////////////////////////////////////////////////
 362 NPError NP_EXPORT
 363 NPN_GetValue(NPP npp, NPNVariable variable, void *result)
 364 {
 365     if (!npp)
 366     {
 367         return NPERR_INVALID_INSTANCE_ERROR;
 368     }
 369
 370     if (!result)
 371     {
 372         return NPERR_INVALID_PARAM;
 373     }
 374
 375     nsPluginHostWnd *pWnd = (nsPluginHostWnd *) npp->ndata;
 376     ATLASSERT(pWnd);
 377
 378     CComPtr<IWebBrowserApp> cpBrowser;
 379     pWnd->GetWebBrowserApp(&cpBrowser);
 380
 381     // Test the variable
 382     switch (variable)
 383     {
 384     case NPNVnetscapeWindow:
 385         *((HWND *) result) = pWnd->m_hWnd;
 386         break;
 387     case NPNVjavascriptEnabledBool:
 388         // TODO
 389         *((NPBool *) result) = FALSE;
 390         break;
 391     case NPNVasdEnabledBool:
 392         *((NPBool *) result) = FALSE;
 393         break;
 394     case NPNVisOfflineBool:
 395         *((NPBool *) result) = FALSE;
 396         if (cpBrowser)
 397         {
 398             CComQIPtr<IWebBrowser2> cpBrowser2 = cpBrowser;
 399             if (cpBrowser2)
 400             {
 401                 VARIANT_BOOL bOffline = VARIANT_FALSE;
 402                 cpBrowser2->get_Offline(&bOffline);
 403                 *((NPBool *) result) = (bOffline == VARIANT_TRUE) ? TRUE : FALSE;
 404             }
 405         }
 406         break;
 407     default:
 408         return NPERR_GENERIC_ERROR;
 409     }
 410     return NPERR_NO_ERROR;
 411 }
 412
 413
 414 ////////////////////////////////////////////////////////////////////////
 415 NPError NP_EXPORT
 416 NPN_SetValue(NPP npp, NPPVariable variable, void *result)
 417 {
 418     if (!npp)
 419     {
 420         return NPERR_INVALID_INSTANCE_ERROR;
 421     }
 422
 423     nsPluginHostWnd *pWnd = (nsPluginHostWnd *) npp->ndata;
 424     ATLASSERT(pWnd);
 425
 426     switch (variable)
 427     {
 428     case NPPVpluginWindowBool:
 429         {
 430             pWnd->SetPluginWindowless((result == NULL) ? true : false);
 431         }
 432         return NPERR_NO_ERROR;
 433     case NPPVpluginTransparentBool:
 434         {
 435             pWnd->SetPluginTransparent((result != NULL) ? true : false);
 436         }
 437         return NPERR_NO_ERROR;
 438     }
 439
 440     return NPERR_GENERIC_ERROR;
 441 }
 442
 443
 444 ////////////////////////////////////////////////////////////////////////
 445 NPError NP_EXPORT
 446 NPN_RequestRead(NPStream *pstream, NPByteRange *rangeList)
 447 {
 448     if (!pstream || !rangeList || !pstream->ndata)
 449     {
 450         return NPERR_INVALID_PARAM;
 451     }
 452
 453     return NPERR_GENERIC_ERROR;
 454 }
 455
 456 ////////////////////////////////////////////////////////////////////////
 457 JRIEnv* NP_EXPORT
 458 NPN_GetJavaEnv(void)
 459 {
 460     return NULL;
 461 }
 462
 463
 464 ////////////////////////////////////////////////////////////////////////
 465 const char * NP_EXPORT
 466 NPN_UserAgent(NPP npp)
 467 {
 468     return "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.10) Gecko/20050716 Firefox/1.0.6";
 469 }
 470
 471
 472 ////////////////////////////////////////////////////////////////////////
 473 java_lang_Class* NP_EXPORT
 474 NPN_GetJavaClass(void* handle)
 475 {
 476     return NULL;
 477 }
 478
 479
 480 ////////////////////////////////////////////////////////////////////////
 481 jref NP_EXPORT
 482 NPN_GetJavaPeer(NPP npp)
 483 {
 484     return NULL;
 485 }
 486
 487