git.sesse.net Git - vlc/blob - activex/vlccontrol.cpp

   1 /*****************************************************************************
   2  * vlccontrol.cpp: ActiveX control for VLC
   3  *****************************************************************************
   4  * Copyright (C) 2005 the VideoLAN team
   5  *
   6  * Authors: Damien Fouilleul <Damien.Fouilleul@laposte.net>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  21  *****************************************************************************/
  22
  23 #include "plugin.h"
  24 #include "vlccontrol.h"
  25
  26 #include "utils.h"
  27
  28 using namespace std;
  29
  30 VLCControl::~VLCControl()
  31 {
  32     if( _p_typeinfo )
  33         _p_typeinfo->Release();
  34 };
  35
  36 HRESULT VLCControl::getTypeInfo(void)
  37 {
  38     HRESULT hr = NOERROR;
  39     if( NULL == _p_typeinfo )
  40     {
  41         ITypeLib *p_typelib;
  42
  43         HRESULT hr = _p_instance->getTypeLib(LOCALE_USER_DEFAULT, &p_typelib);
  44         if( SUCCEEDED(hr) )
  45         {
  46             hr = p_typelib->GetTypeInfoOfGuid(IID_IVLCControl, &_p_typeinfo);
  47             if( FAILED(hr) )
  48             {
  49                 _p_typeinfo = NULL;
  50             }
  51             p_typelib->Release();
  52         }
  53     }
  54     return hr;
  55 };
  56
  57 STDMETHODIMP VLCControl::GetTypeInfoCount(UINT* pctInfo)
  58 {
  59     if( NULL == pctInfo )
  60         return E_INVALIDARG;
  61
  62     if( SUCCEEDED(getTypeInfo()) )
  63         *pctInfo = 1;
  64     else
  65         *pctInfo = 0;
  66
  67     return NOERROR;
  68 };
  69
  70 STDMETHODIMP VLCControl::GetTypeInfo(UINT iTInfo, LCID lcid, LPTYPEINFO* ppTInfo)
  71 {
  72     if( NULL == ppTInfo )
  73         return E_INVALIDARG;
  74
  75     if( SUCCEEDED(getTypeInfo()) )
  76     {
  77         _p_typeinfo->AddRef();
  78         *ppTInfo = _p_typeinfo;
  79         return NO_ERROR;
  80     }
  81     *ppTInfo = NULL;
  82     return E_NOTIMPL;
  83 };
  84
  85 STDMETHODIMP VLCControl::GetIDsOfNames(REFIID riid, LPOLESTR* rgszNames,
  86         UINT cNames, LCID lcid, DISPID* rgDispID)
  87 {
  88     if( SUCCEEDED(getTypeInfo()) )
  89     {
  90         return DispGetIDsOfNames(_p_typeinfo, rgszNames, cNames, rgDispID);
  91     }
  92     return E_NOTIMPL;
  93 };
  94
  95 STDMETHODIMP VLCControl::Invoke(DISPID dispIdMember, REFIID riid,
  96         LCID lcid, WORD wFlags, DISPPARAMS* pDispParams,
  97         VARIANT* pVarResult, EXCEPINFO* pExcepInfo, UINT* puArgErr)
  98 {
  99     if( SUCCEEDED(getTypeInfo()) )
 100     {
 101         return DispInvoke(this, _p_typeinfo, dispIdMember, wFlags, pDispParams,
 102                 pVarResult, pExcepInfo, puArgErr);
 103     }
 104     return E_NOTIMPL;
 105 };
 106
 107 STDMETHODIMP VLCControl::get_Visible(VARIANT_BOOL *isVisible)
 108 {
 109     if( NULL == isVisible )
 110         return E_POINTER;
 111
 112     *isVisible = _p_instance->getVisible() ? VARIANT_TRUE : VARIANT_FALSE;
 113
 114     return NOERROR;
 115 };
 116
 117 STDMETHODIMP VLCControl::put_Visible(VARIANT_BOOL isVisible)
 118 {
 119     _p_instance->setVisible(isVisible != VARIANT_FALSE);
 120
 121     return NOERROR;
 122 };
 123
 124 STDMETHODIMP VLCControl::play(void)
 125 {
 126     int i_vlc = _p_instance->getVLCObject();
 127     if( i_vlc )
 128     {
 129         VLC_Play(i_vlc);
 130         _p_instance->fireOnPlayEvent();
 131         return NOERROR;
 132     }
 133     return E_UNEXPECTED;
 134 };
 135
 136 STDMETHODIMP VLCControl::pause(void)
 137 {
 138     int i_vlc = _p_instance->getVLCObject();
 139     if( i_vlc )
 140     {
 141         VLC_Pause(i_vlc);
 142         _p_instance->fireOnPauseEvent();
 143         return NOERROR;
 144     }
 145     return E_UNEXPECTED;
 146 };
 147
 148 STDMETHODIMP VLCControl::stop(void)
 149 {
 150     int i_vlc = _p_instance->getVLCObject();
 151     if( i_vlc )
 152     {
 153         VLC_Stop(i_vlc);
 154         _p_instance->fireOnStopEvent();
 155         return NOERROR;
 156     }
 157     return E_UNEXPECTED;
 158 };
 159
 160 STDMETHODIMP VLCControl::get_Playing(VARIANT_BOOL *isPlaying)
 161 {
 162     if( NULL == isPlaying )
 163         return E_POINTER;
 164
 165     int i_vlc = _p_instance->getVLCObject();
 166     if( i_vlc )
 167     {
 168         *isPlaying = VLC_IsPlaying(i_vlc) ? VARIANT_TRUE : VARIANT_FALSE;
 169         return NOERROR;
 170     }
 171     *isPlaying = VARIANT_FALSE;
 172     return E_UNEXPECTED;
 173 };
 174
 175 STDMETHODIMP VLCControl::get_Position(float *position)
 176 {
 177     if( NULL == position )
 178         return E_POINTER;
 179
 180     int i_vlc = _p_instance->getVLCObject();
 181     if( i_vlc )
 182     {
 183         *position = VLC_PositionGet(i_vlc);
 184         return NOERROR;
 185     }
 186     *position = 0.0f;
 187     return E_UNEXPECTED;
 188 };
 189
 190 STDMETHODIMP VLCControl::put_Position(float position)
 191 {
 192     int i_vlc = _p_instance->getVLCObject();
 193     if( i_vlc )
 194     {
 195         VLC_PositionSet(i_vlc, position);
 196         return NOERROR;
 197     }
 198     return E_UNEXPECTED;
 199 };
 200
 201 STDMETHODIMP VLCControl::get_Time(int *seconds)
 202 {
 203     if( NULL == seconds )
 204         return E_POINTER;
 205
 206     int i_vlc = _p_instance->getVLCObject();
 207     if( i_vlc )
 208     {
 209         *seconds = VLC_TimeGet(i_vlc);
 210         return NOERROR;
 211     }
 212     *seconds = 0;
 213     return E_UNEXPECTED;
 214 };
 215
 216 STDMETHODIMP VLCControl::put_Time(int seconds)
 217 {
 218     int i_vlc = _p_instance->getVLCObject();
 219     if( i_vlc )
 220     {
 221         VLC_TimeSet(i_vlc, seconds, VLC_FALSE);
 222         return NOERROR;
 223     }
 224     return E_UNEXPECTED;
 225 };
 226
 227 STDMETHODIMP VLCControl::shuttle(int seconds)
 228 {
 229     int i_vlc = _p_instance->getVLCObject();
 230     if( i_vlc )
 231     {
 232         VLC_TimeSet(i_vlc, seconds, VLC_TRUE);
 233         return NOERROR;
 234     }
 235     return E_UNEXPECTED;
 236 };
 237
 238 STDMETHODIMP VLCControl::fullscreen(void)
 239 {
 240     int i_vlc = _p_instance->getVLCObject();
 241     if( i_vlc )
 242     {
 243         VLC_FullScreen(i_vlc);
 244         return NOERROR;
 245     }
 246     return E_UNEXPECTED;
 247 };
 248
 249 STDMETHODIMP VLCControl::get_Length(int *seconds)
 250 {
 251     if( NULL == seconds )
 252         return E_POINTER;
 253
 254     int i_vlc = _p_instance->getVLCObject();
 255     if( i_vlc )
 256     {
 257         *seconds = VLC_LengthGet(i_vlc);
 258         return NOERROR;
 259     }
 260     *seconds = 0;
 261     return E_UNEXPECTED;
 262 };
 263
 264 STDMETHODIMP VLCControl::playFaster(void)
 265 {
 266     int i_vlc = _p_instance->getVLCObject();
 267     if( i_vlc )
 268     {
 269         VLC_SpeedFaster(i_vlc);
 270         return NOERROR;
 271     }
 272     return E_UNEXPECTED;
 273 };
 274
 275 STDMETHODIMP VLCControl::playSlower(void)
 276 {
 277     int i_vlc = _p_instance->getVLCObject();
 278     if( i_vlc )
 279     {
 280         VLC_SpeedSlower(i_vlc);
 281         return NOERROR;
 282     }
 283     return E_UNEXPECTED;
 284 };
 285
 286 STDMETHODIMP VLCControl::get_Volume(int *volume)
 287 {
 288     if( NULL == volume )
 289         return E_POINTER;
 290
 291     *volume  = _p_instance->getVolume();
 292     return NOERROR;
 293 };
 294
 295 STDMETHODIMP VLCControl::put_Volume(int volume)
 296 {
 297     _p_instance->setVolume(volume);
 298     return NOERROR;
 299 };
 300
 301 STDMETHODIMP VLCControl::toggleMute(void)
 302 {
 303     int i_vlc = _p_instance->getVLCObject();
 304     if( i_vlc )
 305     {
 306         VLC_VolumeMute(i_vlc);
 307         return NOERROR;
 308     }
 309     return E_UNEXPECTED;
 310 };
 311
 312 STDMETHODIMP VLCControl::setVariable(BSTR name, VARIANT value)
 313 {
 314     if( 0 == SysStringLen(name) )
 315         return E_INVALIDARG;
 316
 317     int i_vlc = _p_instance->getVLCObject();
 318     if( i_vlc )
 319     {
 320         int codePage = _p_instance->getCodePage();
 321         char *psz_varname = CStrFromBSTR(codePage, name);
 322         if( NULL == psz_varname )
 323             return E_OUTOFMEMORY;
 324
 325         HRESULT hr = E_INVALIDARG;
 326         int i_type;
 327         vlc_value_t val;
 328
 329         if( VLC_SUCCESS == VLC_VariableType(i_vlc, psz_varname, &i_type) )
 330         {
 331             VARIANT arg;
 332             VariantInit(&arg);
 333
 334             switch( i_type )
 335             {
 336                 case VLC_VAR_BOOL:
 337                     hr = VariantChangeType(&arg, &value, 0, VT_BOOL);
 338                     if( SUCCEEDED(hr) )
 339                         val.b_bool = (VARIANT_TRUE == V_BOOL(&arg)) ? VLC_TRUE : VLC_FALSE;
 340                     break;
 341
 342                 case VLC_VAR_INTEGER:
 343                 case VLC_VAR_HOTKEY:
 344                     hr = VariantChangeType(&arg, &value, 0, VT_I4);
 345                     if( SUCCEEDED(hr) )
 346                         val.i_int = V_I4(&arg);
 347                     break;
 348
 349                 case VLC_VAR_FLOAT:
 350                     hr = VariantChangeType(&arg, &value, 0, VT_R4);
 351                     if( SUCCEEDED(hr) )
 352                         val.f_float = V_R4(&arg);
 353                     break;
 354
 355                 case VLC_VAR_STRING:
 356                 case VLC_VAR_MODULE:
 357                 case VLC_VAR_FILE:
 358                 case VLC_VAR_DIRECTORY:
 359                 case VLC_VAR_VARIABLE:
 360                     hr = VariantChangeType(&arg, &value, 0, VT_BSTR);
 361                     if( SUCCEEDED(hr) )
 362                     {
 363                         i_type = VLC_VAR_STRING;
 364                         val.psz_string = CStrFromBSTR(codePage, V_BSTR(&arg));
 365                         VariantClear(&arg);
 366                     }
 367                     break;
 368
 369                 case VLC_VAR_TIME:
 370                     // use a double value to represent time (base is expressed in seconds)
 371                     hr = VariantChangeType(&arg, &value, 0, VT_R8);
 372                     if( SUCCEEDED(hr) )
 373                         val.i_time = (signed __int64)(V_R8(&arg)*1000000.0);
 374                     break;
 375
 376                 default:
 377                     hr = DISP_E_TYPEMISMATCH;
 378             }
 379         }
 380         else {
 381             // no defined type, defaults to VARIANT type
 382             hr = NO_ERROR;
 383             switch( V_VT(&value) )
 384             {
 385                 case VT_BOOL:
 386                     val.b_bool = (VARIANT_TRUE == V_BOOL(&value)) ? VLC_TRUE : VLC_FALSE;
 387                     i_type = VLC_VAR_BOOL;
 388                     break;
 389                 case VT_I4:
 390                     val.i_int = V_I4(&value);
 391                     i_type = VLC_VAR_INTEGER;
 392                     break;
 393                 case VT_R4:
 394                     val.f_float = V_R4(&value);
 395                     i_type = VLC_VAR_FLOAT;
 396                     break;
 397                 case VT_BSTR:
 398                     val.psz_string = CStrFromBSTR(codePage, V_BSTR(&value));
 399                     i_type = VLC_VAR_STRING;
 400                     break;
 401                 case VT_R8:
 402                     // use a double value to represent time (base is expressed in seconds)
 403                     val.i_time = (signed __int64)(V_R8(&value)*1000000.0);
 404                     i_type = VLC_VAR_TIME;
 405                     break;
 406                 default:
 407                     hr = DISP_E_TYPEMISMATCH;
 408             }
 409         }
 410         if( SUCCEEDED(hr) )
 411         {
 412             hr = (VLC_SUCCESS == VLC_VariableSet(i_vlc, psz_varname, val)) ? NOERROR : E_FAIL;
 413
 414             if( (VLC_VAR_STRING == i_type) && (NULL != val.psz_string) )
 415                 CoTaskMemFree(val.psz_string);
 416         }
 417         CoTaskMemFree(psz_varname);
 418
 419         return hr;
 420     }
 421     return E_UNEXPECTED;
 422 };
 423
 424 STDMETHODIMP VLCControl::getVariable( BSTR name, VARIANT *value)
 425 {
 426     if( NULL == value )
 427         return E_POINTER;
 428
 429     VariantInit(value);
 430
 431     if( 0 == SysStringLen(name) )
 432         return E_INVALIDARG;
 433
 434     int i_vlc = _p_instance->getVLCObject();
 435     if( i_vlc )
 436     {
 437         UINT codePage = _p_instance->getCodePage();
 438         char *psz_varname = CStrFromBSTR(codePage, name);
 439         if( NULL == psz_varname )
 440             return E_OUTOFMEMORY;
 441
 442         HRESULT hr = E_INVALIDARG;
 443
 444         vlc_value_t val;
 445         int i_type;
 446
 447         if( (VLC_SUCCESS == VLC_VariableGet(i_vlc, psz_varname, &val))
 448          && (VLC_SUCCESS == VLC_VariableType(i_vlc, psz_varname, &i_type)) )
 449         {
 450             hr = NOERROR;
 451             switch( i_type )
 452             {
 453                 case VLC_VAR_BOOL:
 454                     V_VT(value) = VT_BOOL;
 455                     V_BOOL(value) = val.b_bool ? VARIANT_TRUE : VARIANT_FALSE;
 456                     break;
 457
 458                 case VLC_VAR_INTEGER:
 459                 case VLC_VAR_HOTKEY:
 460                     V_VT(value) = VT_I4;
 461                     V_I4(value) = val.i_int;
 462                     break;
 463
 464                 case VLC_VAR_FLOAT:
 465                     V_VT(value) = VT_R4;
 466                     V_R4(value) = val.f_float;
 467                     break;
 468
 469                 case VLC_VAR_STRING:
 470                 case VLC_VAR_MODULE:
 471                 case VLC_VAR_FILE:
 472                 case VLC_VAR_DIRECTORY:
 473                 case VLC_VAR_VARIABLE:
 474                     V_VT(value) = VT_BSTR;
 475                     V_BSTR(value) = BSTRFromCStr(codePage, val.psz_string);
 476                     if( NULL != val.psz_string)
 477                         free(val.psz_string);
 478                     break;
 479
 480                 case VLC_VAR_TIME:
 481                     // use a double value to represent time (base is expressed in seconds)
 482                     V_VT(value) = VT_R8;
 483                     V_R8(value) = ((double)val.i_time)/1000000.0;
 484                     break;
 485
 486                 default:
 487                     hr = DISP_E_TYPEMISMATCH;
 488             }
 489         }
 490         CoTaskMemFree(psz_varname);
 491         return hr;
 492     }
 493     return E_UNEXPECTED;
 494 };
 495
 496 static void freeTargetOptions(char **cOptions, int cOptionCount)
 497 {
 498     // clean up
 499     if( NULL != cOptions )
 500     {
 501         for( int pos=0; pos<cOptionCount; ++pos )
 502         {
 503             char *cOption = cOptions[pos];
 504             if( NULL != cOption )
 505                 CoTaskMemFree(cOption);
 506             else
 507                 break;
 508         }
 509         CoTaskMemFree(cOptions);
 510     }
 511 };
 512
 513 static HRESULT createTargetOptions(int codePage, VARIANT *options, char ***cOptions, int *cOptionCount)
 514 {
 515     HRESULT hr = E_INVALIDARG;
 516     if( VT_ERROR == V_VT(options) )
 517     {
 518         if( DISP_E_PARAMNOTFOUND == V_ERROR(options) )
 519         {
 520             // optional parameter not set
 521             *cOptions = NULL;
 522             *cOptionCount = 0;
 523             return NOERROR;
 524         }
 525     }
 526     else if( (VT_EMPTY == V_VT(options)) || (VT_NULL == V_VT(options)) )
 527     {
 528         // null parameter
 529         *cOptions = NULL;
 530         *cOptionCount = 0;
 531         return NOERROR;
 532     }
 533     else if( VT_DISPATCH == V_VT(options) )
 534     {
 535         // collection parameter
 536         VARIANT colEnum;
 537         V_VT(&colEnum) = VT_UNKNOWN;
 538         hr = GetObjectProperty(V_DISPATCH(options), DISPID_NEWENUM, colEnum);
 539         if( SUCCEEDED(hr) )
 540         {
 541             IEnumVARIANT *enumVar;
 542             hr = V_UNKNOWN(&colEnum)->QueryInterface(IID_IEnumVARIANT, (LPVOID *)&enumVar);
 543             if( SUCCEEDED(hr) )
 544             {
 545                 long pos = 0;
 546                 long capacity = 16;
 547                 VARIANT option;
 548
 549                 *cOptions = (char **)CoTaskMemAlloc(capacity*sizeof(char *));
 550                 if( NULL != *cOptions )
 551                 {
 552                     ZeroMemory(*cOptions, sizeof(char *)*capacity);
 553                     while( SUCCEEDED(hr) && (S_OK == enumVar->Next(1, &option, NULL)) )
 554                     {
 555                         if( VT_BSTR == V_VT(&option) )
 556                         {
 557                             char *cOption = CStrFromBSTR(codePage, V_BSTR(&option));
 558                             (*cOptions)[pos] = cOption;
 559                             if( NULL != cOption )
 560                             {
 561                                 ++pos;
 562                                 if( pos == capacity )
 563                                 {
 564                                     char **moreOptions = (char **)CoTaskMemRealloc(*cOptions, (capacity+16)*sizeof(char *));
 565                                     if( NULL != moreOptions )
 566                                     {
 567                                         ZeroMemory(moreOptions+capacity, sizeof(char *)*16);
 568                                         capacity += 16;
 569                                         *cOptions = moreOptions;
 570                                     }
 571                                     else
 572                                         hr = E_OUTOFMEMORY;
 573                                 }
 574                             }
 575                             else
 576                                 hr = ( SysStringLen(V_BSTR(&option)) > 0 ) ?
 577                                     E_OUTOFMEMORY : E_INVALIDARG;
 578                         }
 579                         else
 580                             hr = E_INVALIDARG;
 581
 582                         VariantClear(&option);
 583                     }
 584                     *cOptionCount = pos;
 585                     if( FAILED(hr) )
 586                     {
 587                         // free already processed elements
 588                         freeTargetOptions(*cOptions, *cOptionCount);
 589                     }
 590                 }
 591                 else
 592                     hr = E_OUTOFMEMORY;
 593
 594                 enumVar->Release();
 595             }
 596         }
 597     }
 598     else if( V_ISARRAY(options) )
 599     {
 600         // array parameter
 601         SAFEARRAY *array = V_ISBYREF(options) ? *V_ARRAYREF(options) : V_ARRAY(options);
 602
 603         if( SafeArrayGetDim(array) != 1 )
 604             return E_INVALIDARG;
 605
 606         long lBound = 0;
 607         long uBound = 0;
 608         SafeArrayGetLBound(array, 1, &lBound);
 609         SafeArrayGetUBound(array, 1, &uBound);
 610
 611         // have we got any options
 612         if( uBound >= lBound )
 613         {
 614             VARTYPE vType;
 615             hr = SafeArrayGetVartype(array, &vType);
 616             if( FAILED(hr) )
 617                 return hr;
 618
 619             long pos;
 620
 621             // marshall options into an array of C strings
 622             if( VT_VARIANT == vType )
 623             {
 624                 *cOptions = (char **)CoTaskMemAlloc(sizeof(char *)*(uBound-lBound+1));
 625                 if( NULL == *cOptions )
 626                     return E_OUTOFMEMORY;
 627
 628                 ZeroMemory(*cOptions, sizeof(char *)*(uBound-lBound+1));
 629                 for(pos=lBound; (pos<=uBound) && SUCCEEDED(hr); ++pos )
 630                 {
 631                     VARIANT option;
 632                     hr = SafeArrayGetElement(array, &pos, &option);
 633                     if( SUCCEEDED(hr) )
 634                     {
 635                         if( VT_BSTR == V_VT(&option) )
 636                         {
 637                             char *cOption = CStrFromBSTR(codePage, V_BSTR(&option));
 638                             (*cOptions)[pos-lBound] = cOption;
 639                             if( NULL == cOption )
 640                                 hr = ( SysStringLen(V_BSTR(&option)) > 0 ) ?
 641                                     E_OUTOFMEMORY : E_INVALIDARG;
 642                         }
 643                         else
 644                             hr = E_INVALIDARG;
 645                         VariantClear(&option);
 646                     }
 647                 }
 648             }
 649             else if( VT_BSTR == vType )
 650             {
 651                 *cOptions = (char **)CoTaskMemAlloc(sizeof(char *)*(uBound-lBound+1));
 652                 if( NULL == *cOptions )
 653                     return E_OUTOFMEMORY;
 654
 655                 ZeroMemory(*cOptions, sizeof(char *)*(uBound-lBound+1));
 656                 for(pos=lBound; (pos<=uBound) && SUCCEEDED(hr); ++pos )
 657                 {
 658                     BSTR option;
 659                     hr = SafeArrayGetElement(array, &pos, &option);
 660                     if( SUCCEEDED(hr) )
 661                     {
 662                         char *cOption = CStrFromBSTR(codePage, option);
 663
 664                         (*cOptions)[pos-lBound] = cOption;
 665                         if( NULL == cOption )
 666                             hr = ( SysStringLen(option) > 0 ) ?
 667                                 E_OUTOFMEMORY : E_INVALIDARG;
 668                         SysFreeString(option);
 669                     }
 670                 }
 671             }
 672             else
 673             {
 674                 // unsupported type
 675                 return E_INVALIDARG;
 676             }
 677
 678             *cOptionCount = pos-lBound;
 679             if( FAILED(hr) )
 680             {
 681                 // free already processed elements
 682                 freeTargetOptions(*cOptions, *cOptionCount);
 683             }
 684         }
 685         else
 686         {
 687             // empty array
 688             *cOptions = NULL;
 689             *cOptionCount = 0;
 690             return NOERROR;
 691         }
 692     }
 693     return hr;
 694 };
 695
 696 /*
 697 ** use VARIANT rather than a SAFEARRAY as argument type
 698 ** for compatibility with some scripting language (JScript)
 699 */
 700
 701 STDMETHODIMP VLCControl::addTarget( BSTR uri, VARIANT options, enum VLCPlaylistMode mode, int position)
 702 {
 703     if( 0 == SysStringLen(uri) )
 704         return E_INVALIDARG;
 705
 706     HRESULT hr = E_UNEXPECTED;
 707
 708     int i_vlc = _p_instance->getVLCObject();
 709     if( i_vlc )
 710     {
 711         char *cUri = CStrFromBSTR(CP_UTF8, uri);
 712         if( NULL == cUri )
 713             return E_OUTOFMEMORY;
 714
 715         int cOptionsCount;
 716         char **cOptions;
 717
 718         if( FAILED(createTargetOptions(CP_UTF8, &options, &cOptions, &cOptionsCount)) )
 719             return E_INVALIDARG;
 720
 721         if( VLC_SUCCESS <= VLC_AddTarget(i_vlc, cUri, (const char **)cOptions, cOptionsCount, mode, position) )
 722         {
 723             hr = NOERROR;
 724             if( mode & PLAYLIST_GO )
 725                 _p_instance->fireOnPlayEvent();
 726         }
 727         else
 728         {
 729             hr = E_FAIL;
 730             if( mode & PLAYLIST_GO )
 731                 _p_instance->fireOnStopEvent();
 732         }
 733
 734         freeTargetOptions(cOptions, cOptionsCount);
 735         CoTaskMemFree(cUri);
 736     }
 737     return hr;
 738 };
 739
 740 STDMETHODIMP VLCControl::get_PlaylistIndex(int *index)
 741 {
 742     if( NULL == index )
 743         return E_POINTER;
 744
 745     int i_vlc = _p_instance->getVLCObject();
 746     if( i_vlc )
 747     {
 748         *index = VLC_PlaylistIndex(i_vlc);
 749         return NOERROR;
 750     }
 751     *index = 0;
 752     return E_UNEXPECTED;
 753 };
 754
 755 STDMETHODIMP VLCControl::get_PlaylistCount(int *count)
 756 {
 757     int i_vlc = _p_instance->getVLCObject();
 758     if( i_vlc )
 759     {
 760         *count = VLC_PlaylistNumberOfItems(i_vlc);
 761         return NOERROR;
 762     }
 763     *count = 0;
 764     return E_UNEXPECTED;
 765 };
 766
 767 STDMETHODIMP VLCControl::playlistNext(void)
 768 {
 769     int i_vlc = _p_instance->getVLCObject();
 770     if( i_vlc )
 771     {
 772         VLC_PlaylistNext(i_vlc);
 773         return NOERROR;
 774     }
 775     return E_UNEXPECTED;
 776 };
 777
 778 STDMETHODIMP VLCControl::playlistPrev(void)
 779 {
 780     int i_vlc = _p_instance->getVLCObject();
 781     if( i_vlc )
 782     {
 783         VLC_PlaylistPrev(i_vlc);
 784         return NOERROR;
 785     }
 786     return E_UNEXPECTED;
 787 };
 788
 789 STDMETHODIMP VLCControl::playlistClear(void)
 790 {
 791     int i_vlc = _p_instance->getVLCObject();
 792     if( i_vlc )
 793     {
 794         VLC_PlaylistClear(i_vlc);
 795         return NOERROR;
 796     }
 797     return E_UNEXPECTED;
 798 };
 799
 800 STDMETHODIMP VLCControl::get_VersionInfo(BSTR *version)
 801 {
 802     if( NULL == version )
 803         return E_POINTER;
 804
 805     const char *versionStr = VLC_Version();
 806     if( NULL != versionStr )
 807     {
 808         *version = BSTRFromCStr(_p_instance->getCodePage(), versionStr);
 809
 810         return NULL == *version ? E_OUTOFMEMORY : NOERROR;
 811     }
 812     *version = NULL;
 813     return E_FAIL;
 814 };
 815
 816 STDMETHODIMP VLCControl::get_MRL(BSTR *mrl)
 817 {
 818     if( NULL == mrl )
 819         return E_POINTER;
 820
 821     *mrl = SysAllocStringLen(_p_instance->getMRL(),
 822                 SysStringLen(_p_instance->getMRL()));
 823     return NOERROR;
 824 };
 825
 826 STDMETHODIMP VLCControl::put_MRL(BSTR mrl)
 827 {
 828     _p_instance->setMRL(mrl);
 829
 830     return S_OK;
 831 };
 832
 833 STDMETHODIMP VLCControl::get_AutoPlay(VARIANT_BOOL *autoplay)
 834 {
 835     if( NULL == autoplay )
 836         return E_POINTER;
 837
 838     *autoplay = _p_instance->getAutoPlay() ? VARIANT_TRUE: VARIANT_FALSE;
 839     return S_OK;
 840 };
 841
 842 STDMETHODIMP VLCControl::put_AutoPlay(VARIANT_BOOL autoplay)
 843 {
 844     _p_instance->setAutoPlay((VARIANT_FALSE != autoplay) ? TRUE: FALSE);
 845     return S_OK;
 846 };
 847
 848 STDMETHODIMP VLCControl::get_AutoLoop(VARIANT_BOOL *autoloop)
 849 {
 850     if( NULL == autoloop )
 851         return E_POINTER;
 852
 853     *autoloop = _p_instance->getAutoLoop() ? VARIANT_TRUE: VARIANT_FALSE;
 854     return S_OK;
 855 };
 856
 857 STDMETHODIMP VLCControl::put_AutoLoop(VARIANT_BOOL autoloop)
 858 {
 859     _p_instance->setAutoLoop((VARIANT_FALSE != autoloop) ? TRUE: FALSE);
 860     return S_OK;
 861 };
 862