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     TfClientId tidOwner;
  72     TfEditCookie defaultCookie;
  73     TS_STATUS documentStatus;
  74
  75     ITextStoreACP   *pITextStoreACP;
  76     ITfContextOwnerCompositionSink *pITfContextOwnerCompositionSink;
  77
  78     ITextStoreACPSink *pITextStoreACPSink;
  79     ITfEditSession* currentEditSession;
  80
  81     /* kept as separate lists to reduce unnecessary iterations */
  82     struct list     pContextKeyEventSink;
  83     struct list     pEditTransactionSink;
  84     struct list     pStatusSink;
  85     struct list     pTextEditSink;
  86     struct list     pTextLayoutSink;
  87
  88 } Context;
  89
  90 typedef struct tagEditCookie {
  91     DWORD lockType;
  92     Context *pOwningContext;
  93 } EditCookie;
  94
  95 typedef struct tagTextStoreACPSink {
  96     const ITextStoreACPSinkVtbl *TextStoreACPSinkVtbl;
  97     /* const ITextStoreACPServicesVtbl *TextStoreACPServicesVtbl; */
  98     LONG refCount;
  99
 100     Context *pContext;
 101 } TextStoreACPSink;
 102
 103
 104 static HRESULT TextStoreACPSink_Constructor(ITextStoreACPSink **ppOut, Context *pContext);
 105
 106 static inline Context *impl_from_ITfSourceVtbl(ITfSource *iface)
 107 {
 108     return (Context *)((char *)iface - FIELD_OFFSET(Context,SourceVtbl));
 109 }
 110
 111 static inline Context *impl_from_ITfInsertAtSelectionVtbl(ITfInsertAtSelection*iface)
 112 {
 113     return (Context *)((char *)iface - FIELD_OFFSET(Context,InsertAtSelectionVtbl));
 114 }
 115
 116 static void free_sink(ContextSink *sink)
 117 {
 118         IUnknown_Release(sink->interfaces.pIUnknown);
 119         HeapFree(GetProcessHeap(),0,sink);
 120 }
 121
 122 static void Context_Destructor(Context *This)
 123 {
 124     struct list *cursor, *cursor2;
 125     EditCookie *cookie;
 126     TRACE("destroying %p\n", This);
 127
 128     if (This->pITextStoreACPSink)
 129     {
 130         ITextStoreACP_UnadviseSink(This->pITextStoreACP, (IUnknown*)This->pITextStoreACPSink);
 131         ITextStoreACPSink_Release(This->pITextStoreACPSink);
 132     }
 133
 134     if (This->pITextStoreACP)
 135         ITextStoreACPSink_Release(This->pITextStoreACP);
 136
 137     if (This->pITfContextOwnerCompositionSink)
 138         ITextStoreACPSink_Release(This->pITfContextOwnerCompositionSink);
 139
 140     if (This->defaultCookie)
 141     {
 142         cookie = remove_Cookie(This->defaultCookie);
 143         HeapFree(GetProcessHeap(),0,cookie);
 144         This->defaultCookie = 0;
 145     }
 146
 147     LIST_FOR_EACH_SAFE(cursor, cursor2, &This->pContextKeyEventSink)
 148     {
 149         ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
 150         list_remove(cursor);
 151         free_sink(sink);
 152     }
 153     LIST_FOR_EACH_SAFE(cursor, cursor2, &This->pEditTransactionSink)
 154     {
 155         ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
 156         list_remove(cursor);
 157         free_sink(sink);
 158     }
 159     LIST_FOR_EACH_SAFE(cursor, cursor2, &This->pStatusSink)
 160     {
 161         ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
 162         list_remove(cursor);
 163         free_sink(sink);
 164     }
 165     LIST_FOR_EACH_SAFE(cursor, cursor2, &This->pTextEditSink)
 166     {
 167         ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
 168         list_remove(cursor);
 169         free_sink(sink);
 170     }
 171     LIST_FOR_EACH_SAFE(cursor, cursor2, &This->pTextLayoutSink)
 172     {
 173         ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
 174         list_remove(cursor);
 175         free_sink(sink);
 176     }
 177
 178     HeapFree(GetProcessHeap(),0,This);
 179 }
 180
 181 static HRESULT WINAPI Context_QueryInterface(ITfContext *iface, REFIID iid, LPVOID *ppvOut)
 182 {
 183     Context *This = (Context *)iface;
 184     *ppvOut = NULL;
 185
 186     if (IsEqualIID(iid, &IID_IUnknown) || IsEqualIID(iid, &IID_ITfContext))
 187     {
 188         *ppvOut = This;
 189     }
 190     else if (IsEqualIID(iid, &IID_ITfSource))
 191     {
 192         *ppvOut = &This->SourceVtbl;
 193     }
 194     else if (IsEqualIID(iid, &IID_ITfInsertAtSelection))
 195     {
 196         *ppvOut = &This->InsertAtSelectionVtbl;
 197     }
 198
 199     if (*ppvOut)
 200     {
 201         IUnknown_AddRef(iface);
 202         return S_OK;
 203     }
 204
 205     WARN("unsupported interface: %s\n", debugstr_guid(iid));
 206     return E_NOINTERFACE;
 207 }
 208
 209 static ULONG WINAPI Context_AddRef(ITfContext *iface)
 210 {
 211     Context *This = (Context *)iface;
 212     return InterlockedIncrement(&This->refCount);
 213 }
 214
 215 static ULONG WINAPI Context_Release(ITfContext *iface)
 216 {
 217     Context *This = (Context *)iface;
 218     ULONG ret;
 219
 220     ret = InterlockedDecrement(&This->refCount);
 221     if (ret == 0)
 222         Context_Destructor(This);
 223     return ret;
 224 }
 225
 226 /*****************************************************
 227  * ITfContext functions
 228  *****************************************************/
 229 static HRESULT WINAPI Context_RequestEditSession (ITfContext *iface,
 230         TfClientId tid, ITfEditSession *pes, DWORD dwFlags,
 231         HRESULT *phrSession)
 232 {
 233     HRESULT hr;
 234     Context *This = (Context *)iface;
 235     DWORD  dwLockFlags = 0x0;
 236
 237     TRACE("(%p) %i %p %x %p\n",This, tid, pes, dwFlags, phrSession);
 238
 239     if (!(dwFlags & TF_ES_READ) && !(dwFlags & TF_ES_READWRITE))
 240     {
 241         *phrSession = E_FAIL;
 242         return E_INVALIDARG;
 243     }
 244
 245     if (!This->pITextStoreACP)
 246     {
 247         FIXME("No ITextStoreACP avaliable\n");
 248         *phrSession = E_FAIL;
 249         return E_FAIL;
 250     }
 251
 252     if (!(dwFlags & TF_ES_ASYNC))
 253         dwLockFlags |= TS_LF_SYNC;
 254
 255     if ((dwFlags & TF_ES_READWRITE) == TF_ES_READWRITE)
 256         dwLockFlags |= TS_LF_READWRITE;
 257     else if (dwFlags & TF_ES_READ)
 258         dwLockFlags |= TS_LF_READ;
 259
 260     if (!This->documentStatus.dwDynamicFlags)
 261         ITextStoreACP_GetStatus(This->pITextStoreACP, &This->documentStatus);
 262
 263     if (((dwFlags & TF_ES_READWRITE) == TF_ES_READWRITE) && (This->documentStatus.dwDynamicFlags & TS_SD_READONLY))
 264     {
 265         *phrSession = TS_E_READONLY;
 266         return S_OK;
 267     }
 268
 269     if (FAILED (ITfEditSession_QueryInterface(pes, &IID_ITfEditSession, (LPVOID*)&This->currentEditSession)))
 270     {
 271         *phrSession = E_FAIL;
 272         return E_INVALIDARG;
 273     }
 274
 275     hr = ITextStoreACP_RequestLock(This->pITextStoreACP, dwLockFlags, phrSession);
 276
 277     return hr;
 278 }
 279
 280 static HRESULT WINAPI Context_InWriteSession (ITfContext *iface,
 281          TfClientId tid,
 282          BOOL *pfWriteSession)
 283 {
 284     Context *This = (Context *)iface;
 285     FIXME("STUB:(%p)\n",This);
 286     return E_NOTIMPL;
 287 }
 288
 289 static HRESULT WINAPI Context_GetSelection (ITfContext *iface,
 290         TfEditCookie ec, ULONG ulIndex, ULONG ulCount,
 291         TF_SELECTION *pSelection, ULONG *pcFetched)
 292 {
 293     Context *This = (Context *)iface;
 294     EditCookie *cookie;
 295     ULONG count, i;
 296     ULONG totalFetched = 0;
 297     HRESULT hr = S_OK;
 298
 299     if (!pSelection || !pcFetched)
 300         return E_INVALIDARG;
 301
 302     *pcFetched = 0;
 303
 304     if (!This->connected)
 305         return TF_E_DISCONNECTED;
 306
 307     if (get_Cookie_magic(ec)!=COOKIE_MAGIC_EDITCOOKIE)
 308         return TF_E_NOLOCK;
 309
 310     if (!This->pITextStoreACP)
 311     {
 312         FIXME("Context does not have a ITextStoreACP\n");
 313         return E_NOTIMPL;
 314     }
 315
 316     cookie = get_Cookie_data(ec);
 317
 318     if (ulIndex == TF_DEFAULT_SELECTION)
 319         count = 1;
 320     else
 321         count = ulCount;
 322
 323     for (i = 0; i < count; i++)
 324     {
 325         DWORD fetched;
 326         TS_SELECTION_ACP acps;
 327
 328         hr = ITextStoreACP_GetSelection(This->pITextStoreACP, ulIndex + i,
 329                 1, &acps, &fetched);
 330
 331         if (hr == TS_E_NOLOCK)
 332             return TF_E_NOLOCK;
 333         else if (SUCCEEDED(hr))
 334         {
 335             pSelection[totalFetched].style.ase = acps.style.ase;
 336             pSelection[totalFetched].style.fInterimChar = acps.style.fInterimChar;
 337             Range_Constructor(iface, This->pITextStoreACP, cookie->lockType, acps.acpStart, acps.acpEnd, &pSelection[totalFetched].range);
 338             totalFetched ++;
 339         }
 340         else
 341             break;
 342     }
 343
 344     *pcFetched = totalFetched;
 345
 346     return hr;
 347 }
 348
 349 static HRESULT WINAPI Context_SetSelection (ITfContext *iface,
 350         TfEditCookie ec, ULONG ulCount, const TF_SELECTION *pSelection)
 351 {
 352     Context *This = (Context *)iface;
 353     FIXME("STUB:(%p)\n",This);
 354     return E_NOTIMPL;
 355 }
 356
 357 static HRESULT WINAPI Context_GetStart (ITfContext *iface,
 358         TfEditCookie ec, ITfRange **ppStart)
 359 {
 360     Context *This = (Context *)iface;
 361     EditCookie *cookie;
 362     TRACE("(%p) %i %p\n",This,ec,ppStart);
 363
 364     if (!ppStart)
 365         return E_INVALIDARG;
 366
 367     *ppStart = NULL;
 368
 369     if (!This->connected)
 370         return TF_E_DISCONNECTED;
 371
 372     if (get_Cookie_magic(ec)!=COOKIE_MAGIC_EDITCOOKIE)
 373         return TF_E_NOLOCK;
 374
 375     cookie = get_Cookie_data(ec);
 376     return Range_Constructor(iface, This->pITextStoreACP, cookie->lockType, 0, 0, ppStart);
 377 }
 378
 379 static HRESULT WINAPI Context_GetEnd (ITfContext *iface,
 380         TfEditCookie ec, ITfRange **ppEnd)
 381 {
 382     Context *This = (Context *)iface;
 383     EditCookie *cookie;
 384     LONG end;
 385     TRACE("(%p) %i %p\n",This,ec,ppEnd);
 386
 387     if (!ppEnd)
 388         return E_INVALIDARG;
 389
 390     *ppEnd = NULL;
 391
 392     if (!This->connected)
 393         return TF_E_DISCONNECTED;
 394
 395     if (get_Cookie_magic(ec)!=COOKIE_MAGIC_EDITCOOKIE)
 396         return TF_E_NOLOCK;
 397
 398     if (!This->pITextStoreACP)
 399     {
 400         FIXME("Context does not have a ITextStoreACP\n");
 401         return E_NOTIMPL;
 402     }
 403
 404     cookie = get_Cookie_data(ec);
 405     ITextStoreACP_GetEndACP(This->pITextStoreACP,&end);
 406
 407     return Range_Constructor(iface, This->pITextStoreACP, cookie->lockType, end, end, ppEnd);
 408 }
 409
 410 static HRESULT WINAPI Context_GetActiveView (ITfContext *iface,
 411   ITfContextView **ppView)
 412 {
 413     Context *This = (Context *)iface;
 414     FIXME("STUB:(%p)\n",This);
 415     return E_NOTIMPL;
 416 }
 417
 418 static HRESULT WINAPI Context_EnumViews (ITfContext *iface,
 419         IEnumTfContextViews **ppEnum)
 420 {
 421     Context *This = (Context *)iface;
 422     FIXME("STUB:(%p)\n",This);
 423     return E_NOTIMPL;
 424 }
 425
 426 static HRESULT WINAPI Context_GetStatus (ITfContext *iface,
 427         TF_STATUS *pdcs)
 428 {
 429     Context *This = (Context *)iface;
 430     FIXME("STUB:(%p)\n",This);
 431     return E_NOTIMPL;
 432 }
 433
 434 static HRESULT WINAPI Context_GetProperty (ITfContext *iface,
 435         REFGUID guidProp, ITfProperty **ppProp)
 436 {
 437     Context *This = (Context *)iface;
 438     FIXME("STUB:(%p)\n",This);
 439     return E_NOTIMPL;
 440 }
 441
 442 static HRESULT WINAPI Context_GetAppProperty (ITfContext *iface,
 443         REFGUID guidProp, ITfReadOnlyProperty **ppProp)
 444 {
 445     Context *This = (Context *)iface;
 446     FIXME("STUB:(%p)\n",This);
 447     return E_NOTIMPL;
 448 }
 449
 450 static HRESULT WINAPI Context_TrackProperties (ITfContext *iface,
 451         const GUID **prgProp, ULONG cProp, const GUID **prgAppProp,
 452         ULONG cAppProp, ITfReadOnlyProperty **ppProperty)
 453 {
 454     Context *This = (Context *)iface;
 455     FIXME("STUB:(%p)\n",This);
 456     return E_NOTIMPL;
 457 }
 458
 459 static HRESULT WINAPI Context_EnumProperties (ITfContext *iface,
 460         IEnumTfProperties **ppEnum)
 461 {
 462     Context *This = (Context *)iface;
 463     FIXME("STUB:(%p)\n",This);
 464     return E_NOTIMPL;
 465 }
 466
 467 static HRESULT WINAPI Context_GetDocumentMgr (ITfContext *iface,
 468         ITfDocumentMgr **ppDm)
 469 {
 470     Context *This = (Context *)iface;
 471     FIXME("STUB:(%p)\n",This);
 472     return E_NOTIMPL;
 473 }
 474
 475 static HRESULT WINAPI Context_CreateRangeBackup (ITfContext *iface,
 476         TfEditCookie ec, ITfRange *pRange, ITfRangeBackup **ppBackup)
 477 {
 478     Context *This = (Context *)iface;
 479     FIXME("STUB:(%p)\n",This);
 480     return E_NOTIMPL;
 481 }
 482
 483 static const ITfContextVtbl Context_ContextVtbl =
 484 {
 485     Context_QueryInterface,
 486     Context_AddRef,
 487     Context_Release,
 488
 489     Context_RequestEditSession,
 490     Context_InWriteSession,
 491     Context_GetSelection,
 492     Context_SetSelection,
 493     Context_GetStart,
 494     Context_GetEnd,
 495     Context_GetActiveView,
 496     Context_EnumViews,
 497     Context_GetStatus,
 498     Context_GetProperty,
 499     Context_GetAppProperty,
 500     Context_TrackProperties,
 501     Context_EnumProperties,
 502     Context_GetDocumentMgr,
 503     Context_CreateRangeBackup
 504 };
 505
 506 static HRESULT WINAPI Source_QueryInterface(ITfSource *iface, REFIID iid, LPVOID *ppvOut)
 507 {
 508     Context *This = impl_from_ITfSourceVtbl(iface);
 509     return Context_QueryInterface((ITfContext *)This, iid, *ppvOut);
 510 }
 511
 512 static ULONG WINAPI Source_AddRef(ITfSource *iface)
 513 {
 514     Context *This = impl_from_ITfSourceVtbl(iface);
 515     return Context_AddRef((ITfContext *)This);
 516 }
 517
 518 static ULONG WINAPI Source_Release(ITfSource *iface)
 519 {
 520     Context *This = impl_from_ITfSourceVtbl(iface);
 521     return Context_Release((ITfContext *)This);
 522 }
 523
 524 /*****************************************************
 525  * ITfSource functions
 526  *****************************************************/
 527 static WINAPI HRESULT ContextSource_AdviseSink(ITfSource *iface,
 528         REFIID riid, IUnknown *punk, DWORD *pdwCookie)
 529 {
 530     ContextSink *es;
 531     Context *This = impl_from_ITfSourceVtbl(iface);
 532     TRACE("(%p) %s %p %p\n",This,debugstr_guid(riid),punk,pdwCookie);
 533
 534     if (!riid || !punk || !pdwCookie)
 535         return E_INVALIDARG;
 536
 537     if (IsEqualIID(riid, &IID_ITfTextEditSink))
 538     {
 539         es = HeapAlloc(GetProcessHeap(),0,sizeof(ContextSink));
 540         if (!es)
 541             return E_OUTOFMEMORY;
 542         if (FAILED(IUnknown_QueryInterface(punk, riid, (LPVOID *)&es->interfaces.pITfTextEditSink)))
 543         {
 544             HeapFree(GetProcessHeap(),0,es);
 545             return CONNECT_E_CANNOTCONNECT;
 546         }
 547         list_add_head(&This->pTextEditSink ,&es->entry);
 548         *pdwCookie = generate_Cookie(COOKIE_MAGIC_CONTEXTSINK, es);
 549     }
 550     else
 551     {
 552         FIXME("(%p) Unhandled Sink: %s\n",This,debugstr_guid(riid));
 553         return E_NOTIMPL;
 554     }
 555
 556     TRACE("cookie %x\n",*pdwCookie);
 557     return S_OK;
 558 }
 559
 560 static WINAPI HRESULT ContextSource_UnadviseSink(ITfSource *iface, DWORD pdwCookie)
 561 {
 562     ContextSink *sink;
 563     Context *This = impl_from_ITfSourceVtbl(iface);
 564
 565     TRACE("(%p) %x\n",This,pdwCookie);
 566
 567     if (get_Cookie_magic(pdwCookie)!=COOKIE_MAGIC_CONTEXTSINK)
 568         return E_INVALIDARG;
 569
 570     sink = (ContextSink*)remove_Cookie(pdwCookie);
 571     if (!sink)
 572         return CONNECT_E_NOCONNECTION;
 573
 574     list_remove(&sink->entry);
 575     free_sink(sink);
 576
 577     return S_OK;
 578 }
 579
 580 static const ITfSourceVtbl Context_SourceVtbl =
 581 {
 582     Source_QueryInterface,
 583     Source_AddRef,
 584     Source_Release,
 585
 586     ContextSource_AdviseSink,
 587     ContextSource_UnadviseSink,
 588 };
 589
 590 /*****************************************************
 591  * ITfInsertAtSelection functions
 592  *****************************************************/
 593 static HRESULT WINAPI InsertAtSelection_QueryInterface(ITfInsertAtSelection *iface, REFIID iid, LPVOID *ppvOut)
 594 {
 595     Context *This = impl_from_ITfInsertAtSelectionVtbl(iface);
 596     return Context_QueryInterface((ITfContext *)This, iid, *ppvOut);
 597 }
 598
 599 static ULONG WINAPI InsertAtSelection_AddRef(ITfInsertAtSelection *iface)
 600 {
 601     Context *This = impl_from_ITfInsertAtSelectionVtbl(iface);
 602     return Context_AddRef((ITfContext *)This);
 603 }
 604
 605 static ULONG WINAPI InsertAtSelection_Release(ITfInsertAtSelection *iface)
 606 {
 607     Context *This = impl_from_ITfInsertAtSelectionVtbl(iface);
 608     return Context_Release((ITfContext *)This);
 609 }
 610
 611 static WINAPI HRESULT InsertAtSelection_InsertTextAtSelection(
 612         ITfInsertAtSelection *iface, TfEditCookie ec, DWORD dwFlags,
 613         const WCHAR *pchText, LONG cch, ITfRange **ppRange)
 614 {
 615     Context *This = impl_from_ITfInsertAtSelectionVtbl(iface);
 616     FIXME("STUB:(%p)\n",This);
 617     return E_NOTIMPL;
 618 }
 619
 620 static WINAPI HRESULT InsertAtSelection_InsertEmbeddedAtSelection(
 621         ITfInsertAtSelection *iface, TfEditCookie ec, DWORD dwFlags,
 622         IDataObject *pDataObject, ITfRange **ppRange)
 623 {
 624     Context *This = impl_from_ITfInsertAtSelectionVtbl(iface);
 625     FIXME("STUB:(%p)\n",This);
 626     return E_NOTIMPL;
 627 }
 628
 629 static const ITfInsertAtSelectionVtbl Context_InsertAtSelectionVtbl =
 630 {
 631     InsertAtSelection_QueryInterface,
 632     InsertAtSelection_AddRef,
 633     InsertAtSelection_Release,
 634
 635     InsertAtSelection_InsertTextAtSelection,
 636     InsertAtSelection_InsertEmbeddedAtSelection,
 637 };
 638
 639 HRESULT Context_Constructor(TfClientId tidOwner, IUnknown *punk, ITfContext **ppOut, TfEditCookie *pecTextStore)
 640 {
 641     Context *This;
 642     EditCookie *cookie;
 643
 644     This = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(Context));
 645     if (This == NULL)
 646         return E_OUTOFMEMORY;
 647
 648     cookie = HeapAlloc(GetProcessHeap(),0,sizeof(EditCookie));
 649     if (cookie == NULL)
 650     {
 651         HeapFree(GetProcessHeap(),0,This);
 652         return E_OUTOFMEMORY;
 653     }
 654
 655     TRACE("(%p) %x %p %p %p\n",This, tidOwner, punk, ppOut, pecTextStore);
 656
 657     This->ContextVtbl= &Context_ContextVtbl;
 658     This->SourceVtbl = &Context_SourceVtbl;
 659     This->InsertAtSelectionVtbl = &Context_InsertAtSelectionVtbl;
 660     This->refCount = 1;
 661     This->tidOwner = tidOwner;
 662     This->connected = FALSE;
 663
 664     cookie->lockType = TF_ES_READ;
 665     cookie->pOwningContext = This;
 666
 667     if (punk)
 668     {
 669         IUnknown_QueryInterface(punk, &IID_ITextStoreACP,
 670                           (LPVOID*)&This->pITextStoreACP);
 671
 672         IUnknown_QueryInterface(punk, &IID_ITfContextOwnerCompositionSink,
 673                                 (LPVOID*)&This->pITfContextOwnerCompositionSink);
 674
 675         if (!This->pITextStoreACP && !This->pITfContextOwnerCompositionSink)
 676             FIXME("Unhandled pUnk\n");
 677     }
 678
 679     This->defaultCookie = generate_Cookie(COOKIE_MAGIC_EDITCOOKIE,cookie);
 680     *pecTextStore = This->defaultCookie;
 681
 682     list_init(&This->pContextKeyEventSink);
 683     list_init(&This->pEditTransactionSink);
 684     list_init(&This->pStatusSink);
 685     list_init(&This->pTextEditSink);
 686     list_init(&This->pTextLayoutSink);
 687
 688     *ppOut = (ITfContext*)This;
 689     TRACE("returning %p\n", This);
 690
 691     return S_OK;
 692 }
 693
 694 HRESULT Context_Initialize(ITfContext *iface)
 695 {
 696     Context *This = (Context *)iface;
 697
 698     if (This->pITextStoreACP)
 699     {
 700         if (SUCCEEDED(TextStoreACPSink_Constructor(&This->pITextStoreACPSink, This)))
 701             ITextStoreACP_AdviseSink(This->pITextStoreACP, &IID_ITextStoreACPSink,
 702                             (IUnknown*)This->pITextStoreACPSink, TS_AS_ALL_SINKS);
 703     }
 704     This->connected = TRUE;
 705     return S_OK;
 706 }
 707
 708 HRESULT Context_Uninitialize(ITfContext *iface)
 709 {
 710     Context *This = (Context *)iface;
 711
 712     if (This->pITextStoreACPSink)
 713     {
 714         ITextStoreACP_UnadviseSink(This->pITextStoreACP, (IUnknown*)This->pITextStoreACPSink);
 715         if (ITextStoreACPSink_Release(This->pITextStoreACPSink) == 0)
 716             This->pITextStoreACPSink = NULL;
 717     }
 718     This->connected = FALSE;
 719     return S_OK;
 720 }
 721
 722 /**************************************************************************
 723  *  ITextStoreACPSink
 724  **************************************************************************/
 725
 726 static void TextStoreACPSink_Destructor(TextStoreACPSink *This)
 727 {
 728     TRACE("destroying %p\n", This);
 729     HeapFree(GetProcessHeap(),0,This);
 730 }
 731
 732 static HRESULT WINAPI TextStoreACPSink_QueryInterface(ITextStoreACPSink *iface, REFIID iid, LPVOID *ppvOut)
 733 {
 734     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 735     *ppvOut = NULL;
 736
 737     if (IsEqualIID(iid, &IID_IUnknown) || IsEqualIID(iid, &IID_ITextStoreACPSink))
 738     {
 739         *ppvOut = This;
 740     }
 741
 742     if (*ppvOut)
 743     {
 744         IUnknown_AddRef(iface);
 745         return S_OK;
 746     }
 747
 748     WARN("unsupported interface: %s\n", debugstr_guid(iid));
 749     return E_NOINTERFACE;
 750 }
 751
 752 static ULONG WINAPI TextStoreACPSink_AddRef(ITextStoreACPSink *iface)
 753 {
 754     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 755     return InterlockedIncrement(&This->refCount);
 756 }
 757
 758 static ULONG WINAPI TextStoreACPSink_Release(ITextStoreACPSink *iface)
 759 {
 760     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 761     ULONG ret;
 762
 763     ret = InterlockedDecrement(&This->refCount);
 764     if (ret == 0)
 765         TextStoreACPSink_Destructor(This);
 766     return ret;
 767 }
 768
 769 /*****************************************************
 770  * ITextStoreACPSink functions
 771  *****************************************************/
 772
 773 static HRESULT WINAPI TextStoreACPSink_OnTextChange(ITextStoreACPSink *iface,
 774         DWORD dwFlags, const TS_TEXTCHANGE *pChange)
 775 {
 776     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 777     FIXME("STUB:(%p)\n",This);
 778     return E_NOTIMPL;
 779 }
 780
 781 static HRESULT WINAPI TextStoreACPSink_OnSelectionChange(ITextStoreACPSink *iface)
 782 {
 783     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 784     FIXME("STUB:(%p)\n",This);
 785     return E_NOTIMPL;
 786 }
 787
 788 static HRESULT WINAPI TextStoreACPSink_OnLayoutChange(ITextStoreACPSink *iface,
 789     TsLayoutCode lcode, TsViewCookie vcView)
 790 {
 791     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 792     FIXME("STUB:(%p)\n",This);
 793     return E_NOTIMPL;
 794 }
 795
 796 static HRESULT WINAPI TextStoreACPSink_OnStatusChange(ITextStoreACPSink *iface,
 797         DWORD dwFlags)
 798 {
 799     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 800     HRESULT hr, hrSession;
 801
 802     TRACE("(%p) %x\n",This, dwFlags);
 803
 804     if (!This->pContext)
 805     {
 806         ERR("No context?\n");
 807         return E_FAIL;
 808     }
 809
 810     if (!This->pContext->pITextStoreACP)
 811     {
 812         FIXME("Context does not have a ITextStoreACP\n");
 813         return E_NOTIMPL;
 814     }
 815
 816     hr = ITextStoreACP_RequestLock(This->pContext->pITextStoreACP, TS_LF_READ, &hrSession);
 817
 818     if(SUCCEEDED(hr) && SUCCEEDED(hrSession))
 819         This->pContext->documentStatus.dwDynamicFlags = dwFlags;
 820
 821     return S_OK;
 822 }
 823
 824 static HRESULT WINAPI TextStoreACPSink_OnAttrsChange(ITextStoreACPSink *iface,
 825         LONG acpStart, LONG acpEnd, ULONG cAttrs, const TS_ATTRID *paAttrs)
 826 {
 827     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 828     FIXME("STUB:(%p)\n",This);
 829     return E_NOTIMPL;
 830 }
 831
 832 static HRESULT WINAPI TextStoreACPSink_OnLockGranted(ITextStoreACPSink *iface,
 833         DWORD dwLockFlags)
 834 {
 835     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 836     HRESULT hr;
 837     EditCookie *cookie;
 838     TfEditCookie ec;
 839
 840     TRACE("(%p) %x\n",This, dwLockFlags);
 841
 842     if (!This->pContext)
 843     {
 844         ERR("OnLockGranted called without a context\n");
 845         return E_FAIL;
 846     }
 847
 848     if (!This->pContext->currentEditSession)
 849     {
 850         FIXME("OnLockGranted called for something other than an EditSession\n");
 851         return S_OK;
 852     }
 853
 854     cookie = HeapAlloc(GetProcessHeap(),0,sizeof(EditCookie));
 855     if (!cookie)
 856         return E_OUTOFMEMORY;
 857
 858     cookie->lockType = dwLockFlags;
 859     cookie->pOwningContext = This->pContext;
 860     ec = generate_Cookie(COOKIE_MAGIC_EDITCOOKIE, cookie);
 861
 862     hr = ITfEditSession_DoEditSession(This->pContext->currentEditSession, ec);
 863
 864     ITfEditSession_Release(This->pContext->currentEditSession);
 865     This->pContext->currentEditSession = NULL;
 866
 867     /* Edit Cookie is only valid during the edit session */
 868     cookie = remove_Cookie(ec);
 869     HeapFree(GetProcessHeap(),0,cookie);
 870
 871     return hr;
 872 }
 873
 874 static HRESULT WINAPI TextStoreACPSink_OnStartEditTransaction(ITextStoreACPSink *iface)
 875 {
 876     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 877     FIXME("STUB:(%p)\n",This);
 878     return E_NOTIMPL;
 879 }
 880
 881 static HRESULT WINAPI TextStoreACPSink_OnEndEditTransaction(ITextStoreACPSink *iface)
 882 {
 883     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 884     FIXME("STUB:(%p)\n",This);
 885     return E_NOTIMPL;
 886 }
 887
 888 static const ITextStoreACPSinkVtbl TextStoreACPSink_TextStoreACPSinkVtbl =
 889 {
 890     TextStoreACPSink_QueryInterface,
 891     TextStoreACPSink_AddRef,
 892     TextStoreACPSink_Release,
 893
 894     TextStoreACPSink_OnTextChange,
 895     TextStoreACPSink_OnSelectionChange,
 896     TextStoreACPSink_OnLayoutChange,
 897     TextStoreACPSink_OnStatusChange,
 898     TextStoreACPSink_OnAttrsChange,
 899     TextStoreACPSink_OnLockGranted,
 900     TextStoreACPSink_OnStartEditTransaction,
 901     TextStoreACPSink_OnEndEditTransaction
 902 };
 903
 904 static HRESULT TextStoreACPSink_Constructor(ITextStoreACPSink **ppOut, Context *pContext)
 905 {
 906     TextStoreACPSink *This;
 907
 908     This = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(TextStoreACPSink));
 909     if (This == NULL)
 910         return E_OUTOFMEMORY;
 911
 912     This->TextStoreACPSinkVtbl= &TextStoreACPSink_TextStoreACPSinkVtbl;
 913     This->refCount = 1;
 914
 915     This->pContext = pContext;
 916
 917     TRACE("returning %p\n", This);
 918     *ppOut = (ITextStoreACPSink*)This;
 919     return S_OK;
 920 }