dlls/msctf/context.c

   1 /*
   2  *  ITfContext implementation
   3  *
   4  *  Copyright 2009 Aric Stewart, CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24
  25 #define COBJMACROS
  26
  27 #include "wine/debug.h"
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winreg.h"
  31 #include "winuser.h"
  32 #include "shlwapi.h"
  33 #include "winerror.h"
  34 #include "objbase.h"
  35 #include "olectl.h"
  36
  37 #include "wine/unicode.h"
  38 #include "wine/list.h"
  39
  40 #include "msctf.h"
  41 #include "msctf_internal.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(msctf);
  44
  45 typedef struct tagContextSink {
  46     struct list         entry;
  47     union {
  48         /* Context Sinks */
  49         IUnknown            *pIUnknown;
  50         /* ITfContextKeyEventSink  *pITfContextKeyEventSink; */
  51         /* ITfEditTransactionSink  *pITfEditTransactionSink; */
  52         /* ITfStatusSink           *pITfStatusSink; */
  53         ITfTextEditSink     *pITfTextEditSink;
  54         /* ITfTextLayoutSink       *pITfTextLayoutSink; */
  55     } interfaces;
  56 } ContextSink;
  57
  58 typedef struct tagContext {
  59     const ITfContextVtbl *ContextVtbl;
  60     const ITfSourceVtbl *SourceVtbl;
  61     /* const ITfContextCompositionVtbl *ContextCompositionVtbl; */
  62     /* const ITfContextOwnerCompositionServicesVtbl *ContextOwnerCompositionServicesVtbl; */
  63     /* const ITfContextOwnerServicesVtbl *ContextOwnerServicesVtbl; */
  64     const ITfInsertAtSelectionVtbl *InsertAtSelectionVtbl;
  65     /* const ITfMouseTrackerVtbl *MouseTrackerVtbl; */
  66     /* const ITfQueryEmbeddedVtbl *QueryEmbeddedVtbl; */
  67     const ITfSourceSingleVtbl *SourceSingleVtbl;
  68     LONG refCount;
  69     BOOL connected;
  70
  71     /* Aggregation */
  72     ITfCompartmentMgr  *CompartmentMgr;
  73
  74     TfClientId tidOwner;
  75     TfEditCookie defaultCookie;
  76     TS_STATUS documentStatus;
  77     ITfDocumentMgr *manager;
  78
  79     ITextStoreACP   *pITextStoreACP;
  80     ITfContextOwnerCompositionSink *pITfContextOwnerCompositionSink;
  81
  82     ITextStoreACPSink *pITextStoreACPSink;
  83     ITfEditSession* currentEditSession;
  84
  85     /* kept as separate lists to reduce unnecessary iterations */
  86     struct list     pContextKeyEventSink;
  87     struct list     pEditTransactionSink;
  88     struct list     pStatusSink;
  89     struct list     pTextEditSink;
  90     struct list     pTextLayoutSink;
  91
  92 } Context;
  93
  94 typedef struct tagEditCookie {
  95     DWORD lockType;
  96     Context *pOwningContext;
  97 } EditCookie;
  98
  99 typedef struct tagTextStoreACPSink {
 100     const ITextStoreACPSinkVtbl *TextStoreACPSinkVtbl;
 101     /* const ITextStoreACPServicesVtbl *TextStoreACPServicesVtbl; */
 102     LONG refCount;
 103
 104     Context *pContext;
 105 } TextStoreACPSink;
 106
 107
 108 static HRESULT TextStoreACPSink_Constructor(ITextStoreACPSink **ppOut, Context *pContext);
 109
 110 static inline Context *impl_from_ITfSourceVtbl(ITfSource *iface)
 111 {
 112     return (Context *)((char *)iface - FIELD_OFFSET(Context,SourceVtbl));
 113 }
 114
 115 static inline Context *impl_from_ITfInsertAtSelectionVtbl(ITfInsertAtSelection*iface)
 116 {
 117     return (Context *)((char *)iface - FIELD_OFFSET(Context,InsertAtSelectionVtbl));
 118 }
 119
 120 static inline Context *impl_from_ITfSourceSingleVtbl(ITfSourceSingle* iface)
 121 {
 122     return (Context *)((char *)iface - FIELD_OFFSET(Context,SourceSingleVtbl));
 123 }
 124
 125 static void free_sink(ContextSink *sink)
 126 {
 127         IUnknown_Release(sink->interfaces.pIUnknown);
 128         HeapFree(GetProcessHeap(),0,sink);
 129 }
 130
 131 static void Context_Destructor(Context *This)
 132 {
 133     struct list *cursor, *cursor2;
 134     EditCookie *cookie;
 135     TRACE("destroying %p\n", This);
 136
 137     if (This->pITextStoreACPSink)
 138     {
 139         ITextStoreACP_UnadviseSink(This->pITextStoreACP, (IUnknown*)This->pITextStoreACPSink);
 140         ITextStoreACPSink_Release(This->pITextStoreACPSink);
 141     }
 142
 143     if (This->pITextStoreACP)
 144         ITextStoreACPSink_Release(This->pITextStoreACP);
 145
 146     if (This->pITfContextOwnerCompositionSink)
 147         ITextStoreACPSink_Release(This->pITfContextOwnerCompositionSink);
 148
 149     if (This->defaultCookie)
 150     {
 151         cookie = remove_Cookie(This->defaultCookie);
 152         HeapFree(GetProcessHeap(),0,cookie);
 153         This->defaultCookie = 0;
 154     }
 155
 156     LIST_FOR_EACH_SAFE(cursor, cursor2, &This->pContextKeyEventSink)
 157     {
 158         ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
 159         list_remove(cursor);
 160         free_sink(sink);
 161     }
 162     LIST_FOR_EACH_SAFE(cursor, cursor2, &This->pEditTransactionSink)
 163     {
 164         ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
 165         list_remove(cursor);
 166         free_sink(sink);
 167     }
 168     LIST_FOR_EACH_SAFE(cursor, cursor2, &This->pStatusSink)
 169     {
 170         ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
 171         list_remove(cursor);
 172         free_sink(sink);
 173     }
 174     LIST_FOR_EACH_SAFE(cursor, cursor2, &This->pTextEditSink)
 175     {
 176         ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
 177         list_remove(cursor);
 178         free_sink(sink);
 179     }
 180     LIST_FOR_EACH_SAFE(cursor, cursor2, &This->pTextLayoutSink)
 181     {
 182         ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
 183         list_remove(cursor);
 184         free_sink(sink);
 185     }
 186
 187     CompartmentMgr_Destructor(This->CompartmentMgr);
 188     HeapFree(GetProcessHeap(),0,This);
 189 }
 190
 191 static HRESULT WINAPI Context_QueryInterface(ITfContext *iface, REFIID iid, LPVOID *ppvOut)
 192 {
 193     Context *This = (Context *)iface;
 194     *ppvOut = NULL;
 195
 196     if (IsEqualIID(iid, &IID_IUnknown) || IsEqualIID(iid, &IID_ITfContext))
 197     {
 198         *ppvOut = This;
 199     }
 200     else if (IsEqualIID(iid, &IID_ITfSource))
 201     {
 202         *ppvOut = &This->SourceVtbl;
 203     }
 204     else if (IsEqualIID(iid, &IID_ITfInsertAtSelection))
 205     {
 206         *ppvOut = &This->InsertAtSelectionVtbl;
 207     }
 208     else if (IsEqualIID(iid, &IID_ITfCompartmentMgr))
 209     {
 210         *ppvOut = This->CompartmentMgr;
 211     }
 212     else if (IsEqualIID(iid, &IID_ITfSourceSingle))
 213     {
 214         *ppvOut = &This->SourceSingleVtbl;
 215     }
 216
 217     if (*ppvOut)
 218     {
 219         IUnknown_AddRef(iface);
 220         return S_OK;
 221     }
 222
 223     WARN("unsupported interface: %s\n", debugstr_guid(iid));
 224     return E_NOINTERFACE;
 225 }
 226
 227 static ULONG WINAPI Context_AddRef(ITfContext *iface)
 228 {
 229     Context *This = (Context *)iface;
 230     return InterlockedIncrement(&This->refCount);
 231 }
 232
 233 static ULONG WINAPI Context_Release(ITfContext *iface)
 234 {
 235     Context *This = (Context *)iface;
 236     ULONG ret;
 237
 238     ret = InterlockedDecrement(&This->refCount);
 239     if (ret == 0)
 240         Context_Destructor(This);
 241     return ret;
 242 }
 243
 244 /*****************************************************
 245  * ITfContext functions
 246  *****************************************************/
 247 static HRESULT WINAPI Context_RequestEditSession (ITfContext *iface,
 248         TfClientId tid, ITfEditSession *pes, DWORD dwFlags,
 249         HRESULT *phrSession)
 250 {
 251     HRESULT hr;
 252     Context *This = (Context *)iface;
 253     DWORD  dwLockFlags = 0x0;
 254
 255     TRACE("(%p) %i %p %x %p\n",This, tid, pes, dwFlags, phrSession);
 256
 257     if (!(dwFlags & TF_ES_READ) && !(dwFlags & TF_ES_READWRITE))
 258     {
 259         *phrSession = E_FAIL;
 260         return E_INVALIDARG;
 261     }
 262
 263     if (!This->pITextStoreACP)
 264     {
 265         FIXME("No ITextStoreACP avaliable\n");
 266         *phrSession = E_FAIL;
 267         return E_FAIL;
 268     }
 269
 270     if (!(dwFlags & TF_ES_ASYNC))
 271         dwLockFlags |= TS_LF_SYNC;
 272
 273     if ((dwFlags & TF_ES_READWRITE) == TF_ES_READWRITE)
 274         dwLockFlags |= TS_LF_READWRITE;
 275     else if (dwFlags & TF_ES_READ)
 276         dwLockFlags |= TS_LF_READ;
 277
 278     if (!This->documentStatus.dwDynamicFlags)
 279         ITextStoreACP_GetStatus(This->pITextStoreACP, &This->documentStatus);
 280
 281     if (((dwFlags & TF_ES_READWRITE) == TF_ES_READWRITE) && (This->documentStatus.dwDynamicFlags & TS_SD_READONLY))
 282     {
 283         *phrSession = TS_E_READONLY;
 284         return S_OK;
 285     }
 286
 287     if (FAILED (ITfEditSession_QueryInterface(pes, &IID_ITfEditSession, (LPVOID*)&This->currentEditSession)))
 288     {
 289         *phrSession = E_FAIL;
 290         return E_INVALIDARG;
 291     }
 292
 293     hr = ITextStoreACP_RequestLock(This->pITextStoreACP, dwLockFlags, phrSession);
 294
 295     return hr;
 296 }
 297
 298 static HRESULT WINAPI Context_InWriteSession (ITfContext *iface,
 299          TfClientId tid,
 300          BOOL *pfWriteSession)
 301 {
 302     Context *This = (Context *)iface;
 303     FIXME("STUB:(%p)\n",This);
 304     return E_NOTIMPL;
 305 }
 306
 307 static HRESULT WINAPI Context_GetSelection (ITfContext *iface,
 308         TfEditCookie ec, ULONG ulIndex, ULONG ulCount,
 309         TF_SELECTION *pSelection, ULONG *pcFetched)
 310 {
 311     Context *This = (Context *)iface;
 312     EditCookie *cookie;
 313     ULONG count, i;
 314     ULONG totalFetched = 0;
 315     HRESULT hr = S_OK;
 316
 317     if (!pSelection || !pcFetched)
 318         return E_INVALIDARG;
 319
 320     *pcFetched = 0;
 321
 322     if (!This->connected)
 323         return TF_E_DISCONNECTED;
 324
 325     if (get_Cookie_magic(ec)!=COOKIE_MAGIC_EDITCOOKIE)
 326         return TF_E_NOLOCK;
 327
 328     if (!This->pITextStoreACP)
 329     {
 330         FIXME("Context does not have a ITextStoreACP\n");
 331         return E_NOTIMPL;
 332     }
 333
 334     cookie = get_Cookie_data(ec);
 335
 336     if (ulIndex == TF_DEFAULT_SELECTION)
 337         count = 1;
 338     else
 339         count = ulCount;
 340
 341     for (i = 0; i < count; i++)
 342     {
 343         DWORD fetched;
 344         TS_SELECTION_ACP acps;
 345
 346         hr = ITextStoreACP_GetSelection(This->pITextStoreACP, ulIndex + i,
 347                 1, &acps, &fetched);
 348
 349         if (hr == TS_E_NOLOCK)
 350             return TF_E_NOLOCK;
 351         else if (SUCCEEDED(hr))
 352         {
 353             pSelection[totalFetched].style.ase = acps.style.ase;
 354             pSelection[totalFetched].style.fInterimChar = acps.style.fInterimChar;
 355             Range_Constructor(iface, This->pITextStoreACP, cookie->lockType, acps.acpStart, acps.acpEnd, &pSelection[totalFetched].range);
 356             totalFetched ++;
 357         }
 358         else
 359             break;
 360     }
 361
 362     *pcFetched = totalFetched;
 363
 364     return hr;
 365 }
 366
 367 static HRESULT WINAPI Context_SetSelection (ITfContext *iface,
 368         TfEditCookie ec, ULONG ulCount, const TF_SELECTION *pSelection)
 369 {
 370     TS_SELECTION_ACP *acp;
 371     Context *This = (Context *)iface;
 372     INT i;
 373     HRESULT hr;
 374
 375     TRACE("(%p) %i %i %p\n",This,ec,ulCount,pSelection);
 376
 377     if (!This->pITextStoreACP)
 378     {
 379         FIXME("Context does not have a ITextStoreACP\n");
 380         return E_NOTIMPL;
 381     }
 382
 383     if (get_Cookie_magic(ec)!=COOKIE_MAGIC_EDITCOOKIE)
 384         return TF_E_NOLOCK;
 385
 386     acp = HeapAlloc(GetProcessHeap(), 0, sizeof(TS_SELECTION_ACP) * ulCount);
 387     if (!acp)
 388         return E_OUTOFMEMORY;
 389
 390     for (i = 0; i < ulCount; i++)
 391         if (FAILED(TF_SELECTION_to_TS_SELECTION_ACP(&pSelection[i], &acp[i])))
 392         {
 393             TRACE("Selection Conversion Failed\n");
 394             HeapFree(GetProcessHeap(), 0 , acp);
 395             return E_FAIL;
 396         }
 397
 398     hr = ITextStoreACP_SetSelection(This->pITextStoreACP, ulCount, acp);
 399
 400     HeapFree(GetProcessHeap(), 0, acp);
 401
 402     return hr;
 403 }
 404
 405 static HRESULT WINAPI Context_GetStart (ITfContext *iface,
 406         TfEditCookie ec, ITfRange **ppStart)
 407 {
 408     Context *This = (Context *)iface;
 409     EditCookie *cookie;
 410     TRACE("(%p) %i %p\n",This,ec,ppStart);
 411
 412     if (!ppStart)
 413         return E_INVALIDARG;
 414
 415     *ppStart = NULL;
 416
 417     if (!This->connected)
 418         return TF_E_DISCONNECTED;
 419
 420     if (get_Cookie_magic(ec)!=COOKIE_MAGIC_EDITCOOKIE)
 421         return TF_E_NOLOCK;
 422
 423     cookie = get_Cookie_data(ec);
 424     return Range_Constructor(iface, This->pITextStoreACP, cookie->lockType, 0, 0, ppStart);
 425 }
 426
 427 static HRESULT WINAPI Context_GetEnd (ITfContext *iface,
 428         TfEditCookie ec, ITfRange **ppEnd)
 429 {
 430     Context *This = (Context *)iface;
 431     EditCookie *cookie;
 432     LONG end;
 433     TRACE("(%p) %i %p\n",This,ec,ppEnd);
 434
 435     if (!ppEnd)
 436         return E_INVALIDARG;
 437
 438     *ppEnd = NULL;
 439
 440     if (!This->connected)
 441         return TF_E_DISCONNECTED;
 442
 443     if (get_Cookie_magic(ec)!=COOKIE_MAGIC_EDITCOOKIE)
 444         return TF_E_NOLOCK;
 445
 446     if (!This->pITextStoreACP)
 447     {
 448         FIXME("Context does not have a ITextStoreACP\n");
 449         return E_NOTIMPL;
 450     }
 451
 452     cookie = get_Cookie_data(ec);
 453     ITextStoreACP_GetEndACP(This->pITextStoreACP,&end);
 454
 455     return Range_Constructor(iface, This->pITextStoreACP, cookie->lockType, end, end, ppEnd);
 456 }
 457
 458 static HRESULT WINAPI Context_GetActiveView (ITfContext *iface,
 459   ITfContextView **ppView)
 460 {
 461     Context *This = (Context *)iface;
 462     FIXME("STUB:(%p)\n",This);
 463     return E_NOTIMPL;
 464 }
 465
 466 static HRESULT WINAPI Context_EnumViews (ITfContext *iface,
 467         IEnumTfContextViews **ppEnum)
 468 {
 469     Context *This = (Context *)iface;
 470     FIXME("STUB:(%p)\n",This);
 471     return E_NOTIMPL;
 472 }
 473
 474 static HRESULT WINAPI Context_GetStatus (ITfContext *iface,
 475         TF_STATUS *pdcs)
 476 {
 477     Context *This = (Context *)iface;
 478     TRACE("(%p) %p\n",This,pdcs);
 479
 480     if (!This->connected)
 481         return TF_E_DISCONNECTED;
 482
 483     if (!pdcs)
 484         return E_INVALIDARG;
 485
 486     if (!This->pITextStoreACP)
 487     {
 488         FIXME("Context does not have a ITextStoreACP\n");
 489         return E_NOTIMPL;
 490     }
 491
 492     ITextStoreACP_GetStatus(This->pITextStoreACP, &This->documentStatus);
 493
 494     *pdcs = This->documentStatus;
 495
 496     return S_OK;
 497 }
 498
 499 static HRESULT WINAPI Context_GetProperty (ITfContext *iface,
 500         REFGUID guidProp, ITfProperty **ppProp)
 501 {
 502     Context *This = (Context *)iface;
 503     FIXME("STUB:(%p)\n",This);
 504     return E_NOTIMPL;
 505 }
 506
 507 static HRESULT WINAPI Context_GetAppProperty (ITfContext *iface,
 508         REFGUID guidProp, ITfReadOnlyProperty **ppProp)
 509 {
 510     Context *This = (Context *)iface;
 511     FIXME("STUB:(%p)\n",This);
 512     return E_NOTIMPL;
 513 }
 514
 515 static HRESULT WINAPI Context_TrackProperties (ITfContext *iface,
 516         const GUID **prgProp, ULONG cProp, const GUID **prgAppProp,
 517         ULONG cAppProp, ITfReadOnlyProperty **ppProperty)
 518 {
 519     Context *This = (Context *)iface;
 520     FIXME("STUB:(%p)\n",This);
 521     return E_NOTIMPL;
 522 }
 523
 524 static HRESULT WINAPI Context_EnumProperties (ITfContext *iface,
 525         IEnumTfProperties **ppEnum)
 526 {
 527     Context *This = (Context *)iface;
 528     FIXME("STUB:(%p)\n",This);
 529     return E_NOTIMPL;
 530 }
 531
 532 static HRESULT WINAPI Context_GetDocumentMgr (ITfContext *iface,
 533         ITfDocumentMgr **ppDm)
 534 {
 535     Context *This = (Context *)iface;
 536     TRACE("(%p) %p\n",This,ppDm);
 537
 538     if (!ppDm)
 539         return E_INVALIDARG;
 540
 541     *ppDm = This->manager;
 542     if (!This->manager)
 543         return S_FALSE;
 544
 545     ITfDocumentMgr_AddRef(This->manager);
 546
 547     return S_OK;
 548 }
 549
 550 static HRESULT WINAPI Context_CreateRangeBackup (ITfContext *iface,
 551         TfEditCookie ec, ITfRange *pRange, ITfRangeBackup **ppBackup)
 552 {
 553     Context *This = (Context *)iface;
 554     FIXME("STUB:(%p)\n",This);
 555     return E_NOTIMPL;
 556 }
 557
 558 static const ITfContextVtbl Context_ContextVtbl =
 559 {
 560     Context_QueryInterface,
 561     Context_AddRef,
 562     Context_Release,
 563
 564     Context_RequestEditSession,
 565     Context_InWriteSession,
 566     Context_GetSelection,
 567     Context_SetSelection,
 568     Context_GetStart,
 569     Context_GetEnd,
 570     Context_GetActiveView,
 571     Context_EnumViews,
 572     Context_GetStatus,
 573     Context_GetProperty,
 574     Context_GetAppProperty,
 575     Context_TrackProperties,
 576     Context_EnumProperties,
 577     Context_GetDocumentMgr,
 578     Context_CreateRangeBackup
 579 };
 580
 581 static HRESULT WINAPI Source_QueryInterface(ITfSource *iface, REFIID iid, LPVOID *ppvOut)
 582 {
 583     Context *This = impl_from_ITfSourceVtbl(iface);
 584     return Context_QueryInterface((ITfContext *)This, iid, *ppvOut);
 585 }
 586
 587 static ULONG WINAPI Source_AddRef(ITfSource *iface)
 588 {
 589     Context *This = impl_from_ITfSourceVtbl(iface);
 590     return Context_AddRef((ITfContext *)This);
 591 }
 592
 593 static ULONG WINAPI Source_Release(ITfSource *iface)
 594 {
 595     Context *This = impl_from_ITfSourceVtbl(iface);
 596     return Context_Release((ITfContext *)This);
 597 }
 598
 599 /*****************************************************
 600  * ITfSource functions
 601  *****************************************************/
 602 static WINAPI HRESULT ContextSource_AdviseSink(ITfSource *iface,
 603         REFIID riid, IUnknown *punk, DWORD *pdwCookie)
 604 {
 605     ContextSink *es;
 606     Context *This = impl_from_ITfSourceVtbl(iface);
 607     TRACE("(%p) %s %p %p\n",This,debugstr_guid(riid),punk,pdwCookie);
 608
 609     if (!riid || !punk || !pdwCookie)
 610         return E_INVALIDARG;
 611
 612     if (IsEqualIID(riid, &IID_ITfTextEditSink))
 613     {
 614         es = HeapAlloc(GetProcessHeap(),0,sizeof(ContextSink));
 615         if (!es)
 616             return E_OUTOFMEMORY;
 617         if (FAILED(IUnknown_QueryInterface(punk, riid, (LPVOID *)&es->interfaces.pITfTextEditSink)))
 618         {
 619             HeapFree(GetProcessHeap(),0,es);
 620             return CONNECT_E_CANNOTCONNECT;
 621         }
 622         list_add_head(&This->pTextEditSink ,&es->entry);
 623         *pdwCookie = generate_Cookie(COOKIE_MAGIC_CONTEXTSINK, es);
 624     }
 625     else
 626     {
 627         FIXME("(%p) Unhandled Sink: %s\n",This,debugstr_guid(riid));
 628         return E_NOTIMPL;
 629     }
 630
 631     TRACE("cookie %x\n",*pdwCookie);
 632     return S_OK;
 633 }
 634
 635 static WINAPI HRESULT ContextSource_UnadviseSink(ITfSource *iface, DWORD pdwCookie)
 636 {
 637     ContextSink *sink;
 638     Context *This = impl_from_ITfSourceVtbl(iface);
 639
 640     TRACE("(%p) %x\n",This,pdwCookie);
 641
 642     if (get_Cookie_magic(pdwCookie)!=COOKIE_MAGIC_CONTEXTSINK)
 643         return E_INVALIDARG;
 644
 645     sink = (ContextSink*)remove_Cookie(pdwCookie);
 646     if (!sink)
 647         return CONNECT_E_NOCONNECTION;
 648
 649     list_remove(&sink->entry);
 650     free_sink(sink);
 651
 652     return S_OK;
 653 }
 654
 655 static const ITfSourceVtbl Context_SourceVtbl =
 656 {
 657     Source_QueryInterface,
 658     Source_AddRef,
 659     Source_Release,
 660
 661     ContextSource_AdviseSink,
 662     ContextSource_UnadviseSink,
 663 };
 664
 665 /*****************************************************
 666  * ITfInsertAtSelection functions
 667  *****************************************************/
 668 static HRESULT WINAPI InsertAtSelection_QueryInterface(ITfInsertAtSelection *iface, REFIID iid, LPVOID *ppvOut)
 669 {
 670     Context *This = impl_from_ITfInsertAtSelectionVtbl(iface);
 671     return Context_QueryInterface((ITfContext *)This, iid, *ppvOut);
 672 }
 673
 674 static ULONG WINAPI InsertAtSelection_AddRef(ITfInsertAtSelection *iface)
 675 {
 676     Context *This = impl_from_ITfInsertAtSelectionVtbl(iface);
 677     return Context_AddRef((ITfContext *)This);
 678 }
 679
 680 static ULONG WINAPI InsertAtSelection_Release(ITfInsertAtSelection *iface)
 681 {
 682     Context *This = impl_from_ITfInsertAtSelectionVtbl(iface);
 683     return Context_Release((ITfContext *)This);
 684 }
 685
 686 static WINAPI HRESULT InsertAtSelection_InsertTextAtSelection(
 687         ITfInsertAtSelection *iface, TfEditCookie ec, DWORD dwFlags,
 688         const WCHAR *pchText, LONG cch, ITfRange **ppRange)
 689 {
 690     Context *This = impl_from_ITfInsertAtSelectionVtbl(iface);
 691     EditCookie *cookie;
 692     LONG acpStart, acpEnd;
 693     TS_TEXTCHANGE change;
 694     HRESULT hr;
 695
 696     TRACE("(%p) %i %x %s %p\n",This, ec, dwFlags, debugstr_wn(pchText,cch), ppRange);
 697
 698     if (!This->connected)
 699         return TF_E_DISCONNECTED;
 700
 701     if (get_Cookie_magic(ec)!=COOKIE_MAGIC_EDITCOOKIE)
 702         return TF_E_NOLOCK;
 703
 704     cookie = get_Cookie_data(ec);
 705
 706     if ((cookie->lockType & TS_LF_READWRITE) != TS_LF_READWRITE )
 707         return TS_E_READONLY;
 708
 709     if (!This->pITextStoreACP)
 710     {
 711         FIXME("Context does not have a ITextStoreACP\n");
 712         return E_NOTIMPL;
 713     }
 714
 715     hr = ITextStoreACP_InsertTextAtSelection(This->pITextStoreACP, dwFlags, pchText, cch, &acpStart, &acpEnd, &change);
 716     if (SUCCEEDED(hr))
 717         Range_Constructor((ITfContext*)This, This->pITextStoreACP, cookie->lockType, change.acpStart, change.acpNewEnd, ppRange);
 718
 719     return hr;
 720 }
 721
 722 static WINAPI HRESULT InsertAtSelection_InsertEmbeddedAtSelection(
 723         ITfInsertAtSelection *iface, TfEditCookie ec, DWORD dwFlags,
 724         IDataObject *pDataObject, ITfRange **ppRange)
 725 {
 726     Context *This = impl_from_ITfInsertAtSelectionVtbl(iface);
 727     FIXME("STUB:(%p)\n",This);
 728     return E_NOTIMPL;
 729 }
 730
 731 static const ITfInsertAtSelectionVtbl Context_InsertAtSelectionVtbl =
 732 {
 733     InsertAtSelection_QueryInterface,
 734     InsertAtSelection_AddRef,
 735     InsertAtSelection_Release,
 736
 737     InsertAtSelection_InsertTextAtSelection,
 738     InsertAtSelection_InsertEmbeddedAtSelection,
 739 };
 740
 741 /*****************************************************
 742  * ITfSourceSingle functions
 743  *****************************************************/
 744 static HRESULT WINAPI SourceSingle_QueryInterface(ITfSourceSingle *iface, REFIID iid, LPVOID *ppvOut)
 745 {
 746     Context *This = impl_from_ITfSourceSingleVtbl(iface);
 747     return Context_QueryInterface((ITfContext *)This, iid, *ppvOut);
 748 }
 749
 750 static ULONG WINAPI SourceSingle_AddRef(ITfSourceSingle *iface)
 751 {
 752     Context *This = impl_from_ITfSourceSingleVtbl(iface);
 753     return Context_AddRef((ITfContext *)This);
 754 }
 755
 756 static ULONG WINAPI SourceSingle_Release(ITfSourceSingle *iface)
 757 {
 758     Context *This = impl_from_ITfSourceSingleVtbl(iface);
 759     return Context_Release((ITfContext *)This);
 760 }
 761
 762 static WINAPI HRESULT SourceSingle_AdviseSingleSink( ITfSourceSingle *iface,
 763     TfClientId tid, REFIID riid, IUnknown *punk)
 764 {
 765     Context *This = impl_from_ITfSourceSingleVtbl(iface);
 766     FIXME("STUB:(%p) %i %s %p\n",This, tid, debugstr_guid(riid),punk);
 767     return E_NOTIMPL;
 768 }
 769
 770 static WINAPI HRESULT SourceSingle_UnadviseSingleSink( ITfSourceSingle *iface,
 771     TfClientId tid, REFIID riid)
 772 {
 773     Context *This = impl_from_ITfSourceSingleVtbl(iface);
 774     FIXME("STUB:(%p) %i %s\n",This, tid, debugstr_guid(riid));
 775     return E_NOTIMPL;
 776 }
 777
 778 static const ITfSourceSingleVtbl Context_SourceSingleVtbl =
 779 {
 780     SourceSingle_QueryInterface,
 781     SourceSingle_AddRef,
 782     SourceSingle_Release,
 783
 784     SourceSingle_AdviseSingleSink,
 785     SourceSingle_UnadviseSingleSink,
 786 };
 787
 788 HRESULT Context_Constructor(TfClientId tidOwner, IUnknown *punk, ITfDocumentMgr *mgr, ITfContext **ppOut, TfEditCookie *pecTextStore)
 789 {
 790     Context *This;
 791     EditCookie *cookie;
 792
 793     This = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(Context));
 794     if (This == NULL)
 795         return E_OUTOFMEMORY;
 796
 797     cookie = HeapAlloc(GetProcessHeap(),0,sizeof(EditCookie));
 798     if (cookie == NULL)
 799     {
 800         HeapFree(GetProcessHeap(),0,This);
 801         return E_OUTOFMEMORY;
 802     }
 803
 804     TRACE("(%p) %x %p %p %p\n",This, tidOwner, punk, ppOut, pecTextStore);
 805
 806     This->ContextVtbl= &Context_ContextVtbl;
 807     This->SourceVtbl = &Context_SourceVtbl;
 808     This->InsertAtSelectionVtbl = &Context_InsertAtSelectionVtbl;
 809     This->SourceSingleVtbl = &Context_SourceSingleVtbl;
 810     This->refCount = 1;
 811     This->tidOwner = tidOwner;
 812     This->connected = FALSE;
 813     This->manager = mgr;
 814
 815     CompartmentMgr_Constructor((IUnknown*)This, &IID_IUnknown, (IUnknown**)&This->CompartmentMgr);
 816
 817     cookie->lockType = TF_ES_READ;
 818     cookie->pOwningContext = This;
 819
 820     if (punk)
 821     {
 822         IUnknown_QueryInterface(punk, &IID_ITextStoreACP,
 823                           (LPVOID*)&This->pITextStoreACP);
 824
 825         IUnknown_QueryInterface(punk, &IID_ITfContextOwnerCompositionSink,
 826                                 (LPVOID*)&This->pITfContextOwnerCompositionSink);
 827
 828         if (!This->pITextStoreACP && !This->pITfContextOwnerCompositionSink)
 829             FIXME("Unhandled pUnk\n");
 830     }
 831
 832     This->defaultCookie = generate_Cookie(COOKIE_MAGIC_EDITCOOKIE,cookie);
 833     *pecTextStore = This->defaultCookie;
 834
 835     list_init(&This->pContextKeyEventSink);
 836     list_init(&This->pEditTransactionSink);
 837     list_init(&This->pStatusSink);
 838     list_init(&This->pTextEditSink);
 839     list_init(&This->pTextLayoutSink);
 840
 841     *ppOut = (ITfContext*)This;
 842     TRACE("returning %p\n", This);
 843
 844     return S_OK;
 845 }
 846
 847 HRESULT Context_Initialize(ITfContext *iface, ITfDocumentMgr *manager)
 848 {
 849     Context *This = (Context *)iface;
 850
 851     if (This->pITextStoreACP)
 852     {
 853         if (SUCCEEDED(TextStoreACPSink_Constructor(&This->pITextStoreACPSink, This)))
 854             ITextStoreACP_AdviseSink(This->pITextStoreACP, &IID_ITextStoreACPSink,
 855                             (IUnknown*)This->pITextStoreACPSink, TS_AS_ALL_SINKS);
 856     }
 857     This->connected = TRUE;
 858     This->manager = manager;
 859     return S_OK;
 860 }
 861
 862 HRESULT Context_Uninitialize(ITfContext *iface)
 863 {
 864     Context *This = (Context *)iface;
 865
 866     if (This->pITextStoreACPSink)
 867     {
 868         ITextStoreACP_UnadviseSink(This->pITextStoreACP, (IUnknown*)This->pITextStoreACPSink);
 869         if (ITextStoreACPSink_Release(This->pITextStoreACPSink) == 0)
 870             This->pITextStoreACPSink = NULL;
 871     }
 872     This->connected = FALSE;
 873     This->manager = NULL;
 874     return S_OK;
 875 }
 876
 877 /**************************************************************************
 878  *  ITextStoreACPSink
 879  **************************************************************************/
 880
 881 static void TextStoreACPSink_Destructor(TextStoreACPSink *This)
 882 {
 883     TRACE("destroying %p\n", This);
 884     HeapFree(GetProcessHeap(),0,This);
 885 }
 886
 887 static HRESULT WINAPI TextStoreACPSink_QueryInterface(ITextStoreACPSink *iface, REFIID iid, LPVOID *ppvOut)
 888 {
 889     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 890     *ppvOut = NULL;
 891
 892     if (IsEqualIID(iid, &IID_IUnknown) || IsEqualIID(iid, &IID_ITextStoreACPSink))
 893     {
 894         *ppvOut = This;
 895     }
 896
 897     if (*ppvOut)
 898     {
 899         IUnknown_AddRef(iface);
 900         return S_OK;
 901     }
 902
 903     WARN("unsupported interface: %s\n", debugstr_guid(iid));
 904     return E_NOINTERFACE;
 905 }
 906
 907 static ULONG WINAPI TextStoreACPSink_AddRef(ITextStoreACPSink *iface)
 908 {
 909     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 910     return InterlockedIncrement(&This->refCount);
 911 }
 912
 913 static ULONG WINAPI TextStoreACPSink_Release(ITextStoreACPSink *iface)
 914 {
 915     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 916     ULONG ret;
 917
 918     ret = InterlockedDecrement(&This->refCount);
 919     if (ret == 0)
 920         TextStoreACPSink_Destructor(This);
 921     return ret;
 922 }
 923
 924 /*****************************************************
 925  * ITextStoreACPSink functions
 926  *****************************************************/
 927
 928 static HRESULT WINAPI TextStoreACPSink_OnTextChange(ITextStoreACPSink *iface,
 929         DWORD dwFlags, const TS_TEXTCHANGE *pChange)
 930 {
 931     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 932     FIXME("STUB:(%p)\n",This);
 933     return E_NOTIMPL;
 934 }
 935
 936 static HRESULT WINAPI TextStoreACPSink_OnSelectionChange(ITextStoreACPSink *iface)
 937 {
 938     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 939     FIXME("STUB:(%p)\n",This);
 940     return E_NOTIMPL;
 941 }
 942
 943 static HRESULT WINAPI TextStoreACPSink_OnLayoutChange(ITextStoreACPSink *iface,
 944     TsLayoutCode lcode, TsViewCookie vcView)
 945 {
 946     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 947     FIXME("STUB:(%p)\n",This);
 948     return E_NOTIMPL;
 949 }
 950
 951 static HRESULT WINAPI TextStoreACPSink_OnStatusChange(ITextStoreACPSink *iface,
 952         DWORD dwFlags)
 953 {
 954     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 955     HRESULT hr, hrSession;
 956
 957     TRACE("(%p) %x\n",This, dwFlags);
 958
 959     if (!This->pContext)
 960     {
 961         ERR("No context?\n");
 962         return E_FAIL;
 963     }
 964
 965     if (!This->pContext->pITextStoreACP)
 966     {
 967         FIXME("Context does not have a ITextStoreACP\n");
 968         return E_NOTIMPL;
 969     }
 970
 971     hr = ITextStoreACP_RequestLock(This->pContext->pITextStoreACP, TS_LF_READ, &hrSession);
 972
 973     if(SUCCEEDED(hr) && SUCCEEDED(hrSession))
 974         This->pContext->documentStatus.dwDynamicFlags = dwFlags;
 975
 976     return S_OK;
 977 }
 978
 979 static HRESULT WINAPI TextStoreACPSink_OnAttrsChange(ITextStoreACPSink *iface,
 980         LONG acpStart, LONG acpEnd, ULONG cAttrs, const TS_ATTRID *paAttrs)
 981 {
 982     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 983     FIXME("STUB:(%p)\n",This);
 984     return E_NOTIMPL;
 985 }
 986
 987 static HRESULT WINAPI TextStoreACPSink_OnLockGranted(ITextStoreACPSink *iface,
 988         DWORD dwLockFlags)
 989 {
 990     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 991     HRESULT hr;
 992     EditCookie *cookie,*sinkcookie;
 993     TfEditCookie ec;
 994     struct list *cursor;
 995
 996     TRACE("(%p) %x\n",This, dwLockFlags);
 997
 998     if (!This->pContext)
 999     {
1000         ERR("OnLockGranted called without a context\n");
1001         return E_FAIL;
1002     }
1003
1004     if (!This->pContext->currentEditSession)
1005     {
1006         FIXME("OnLockGranted called for something other than an EditSession\n");
1007         return S_OK;
1008     }
1009
1010     cookie = HeapAlloc(GetProcessHeap(),0,sizeof(EditCookie));
1011     if (!cookie)
1012         return E_OUTOFMEMORY;
1013
1014     sinkcookie = HeapAlloc(GetProcessHeap(),0,sizeof(EditCookie));
1015     if (!sinkcookie)
1016         return E_OUTOFMEMORY;
1017
1018     cookie->lockType = dwLockFlags;
1019     cookie->pOwningContext = This->pContext;
1020     ec = generate_Cookie(COOKIE_MAGIC_EDITCOOKIE, cookie);
1021
1022     hr = ITfEditSession_DoEditSession(This->pContext->currentEditSession, ec);
1023
1024     if ((dwLockFlags&TS_LF_READWRITE) == TS_LF_READWRITE)
1025     {
1026         TfEditCookie sc;
1027
1028         sinkcookie->lockType = TS_LF_READ;
1029         sinkcookie->pOwningContext = This->pContext;
1030         sc = generate_Cookie(COOKIE_MAGIC_EDITCOOKIE, sinkcookie);
1031
1032         /*TODO: implement ITfEditRecord */
1033         LIST_FOR_EACH(cursor, &This->pContext->pTextEditSink)
1034         {
1035             ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
1036             ITfTextEditSink_OnEndEdit(sink->interfaces.pITfTextEditSink,
1037                                       (ITfContext*) &This->pContext, sc, NULL);
1038         }
1039         sinkcookie = remove_Cookie(sc);
1040     }
1041     HeapFree(GetProcessHeap(),0,sinkcookie);
1042
1043     ITfEditSession_Release(This->pContext->currentEditSession);
1044     This->pContext->currentEditSession = NULL;
1045
1046     /* Edit Cookie is only valid during the edit session */
1047     cookie = remove_Cookie(ec);
1048     HeapFree(GetProcessHeap(),0,cookie);
1049
1050     return hr;
1051 }
1052
1053 static HRESULT WINAPI TextStoreACPSink_OnStartEditTransaction(ITextStoreACPSink *iface)
1054 {
1055     TextStoreACPSink *This = (TextStoreACPSink *)iface;
1056     FIXME("STUB:(%p)\n",This);
1057     return E_NOTIMPL;
1058 }
1059
1060 static HRESULT WINAPI TextStoreACPSink_OnEndEditTransaction(ITextStoreACPSink *iface)
1061 {
1062     TextStoreACPSink *This = (TextStoreACPSink *)iface;
1063     FIXME("STUB:(%p)\n",This);
1064     return E_NOTIMPL;
1065 }
1066
1067 static const ITextStoreACPSinkVtbl TextStoreACPSink_TextStoreACPSinkVtbl =
1068 {
1069     TextStoreACPSink_QueryInterface,
1070     TextStoreACPSink_AddRef,
1071     TextStoreACPSink_Release,
1072
1073     TextStoreACPSink_OnTextChange,
1074     TextStoreACPSink_OnSelectionChange,
1075     TextStoreACPSink_OnLayoutChange,
1076     TextStoreACPSink_OnStatusChange,
1077     TextStoreACPSink_OnAttrsChange,
1078     TextStoreACPSink_OnLockGranted,
1079     TextStoreACPSink_OnStartEditTransaction,
1080     TextStoreACPSink_OnEndEditTransaction
1081 };
1082
1083 static HRESULT TextStoreACPSink_Constructor(ITextStoreACPSink **ppOut, Context *pContext)
1084 {
1085     TextStoreACPSink *This;
1086
1087     This = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(TextStoreACPSink));
1088     if (This == NULL)
1089         return E_OUTOFMEMORY;
1090
1091     This->TextStoreACPSinkVtbl= &TextStoreACPSink_TextStoreACPSinkVtbl;
1092     This->refCount = 1;
1093
1094     This->pContext = pContext;
1095
1096     TRACE("returning %p\n", This);
1097     *ppOut = (ITextStoreACPSink*)This;
1098     return S_OK;
1099 }