msxml3: Don't allocate new strings when returning namespace related data.
[wine] / dlls / mshtml / main.c
1 /*
2  *    MSHTML Class Factory
3  *
4  * Copyright 2002 Lionel Ulmer
5  * Copyright 2003 Mike McCormack
6  * Copyright 2005 Jacek Caban
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * This library 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 GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21  */
22
23 #include <stdarg.h>
24 #include <stdio.h>
25
26 #define COBJMACROS
27
28 #include "windef.h"
29 #include "winbase.h"
30 #include "winuser.h"
31 #include "winreg.h"
32 #include "ole2.h"
33 #include "advpub.h"
34 #include "shlwapi.h"
35 #include "optary.h"
36 #include "rpcproxy.h"
37 #include "shlguid.h"
38
39 #include "wine/debug.h"
40
41 #define INIT_GUID
42 #include "mshtml_private.h"
43 #include "resource.h"
44
45 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
46
47 HINSTANCE hInst;
48 DWORD mshtml_tls = TLS_OUT_OF_INDEXES;
49
50 static HINSTANCE shdoclc = NULL;
51 static HDC display_dc;
52 static LPWSTR status_strings[NUM_STATUS_STRINGS];
53
54 static void thread_detach(void)
55 {
56     thread_data_t *thread_data;
57
58     thread_data = get_thread_data(FALSE);
59     if(!thread_data)
60         return;
61
62     if(thread_data->thread_hwnd)
63         DestroyWindow(thread_data->thread_hwnd);
64
65     heap_free(thread_data);
66 }
67
68 static void free_strings(void)
69 {
70     int i;
71     for(i = 0; i < NUM_STATUS_STRINGS; i++)
72         heap_free(status_strings[i]);
73 }
74
75 static void process_detach(void)
76 {
77     close_gecko();
78     release_typelib();
79
80     if(shdoclc)
81         FreeLibrary(shdoclc);
82     if(mshtml_tls != TLS_OUT_OF_INDEXES)
83         TlsFree(mshtml_tls);
84     if(display_dc)
85         DeleteObject(display_dc);
86
87     free_strings();
88 }
89
90 void set_statustext(HTMLDocumentObj* doc, INT id, LPCWSTR arg)
91 {
92     int index = id - IDS_STATUS_DONE;
93     LPWSTR p = status_strings[index];
94
95     if(!doc->frame)
96         return;
97
98     if(!p)
99     {
100         DWORD len = 255;
101         p = heap_alloc(len * sizeof(WCHAR));
102         len = LoadStringW(hInst, id, p, len);
103         len++;
104         p = heap_realloc(p, len * sizeof(WCHAR));
105         if(InterlockedCompareExchangePointer((void**)&status_strings[index], p, NULL))
106         {
107             heap_free(p);
108             p = status_strings[index];
109         }
110     }
111
112     if(arg)
113     {
114         DWORD len = lstrlenW(p) + lstrlenW(arg) - 1;
115         LPWSTR buf = heap_alloc(len * sizeof(WCHAR));
116
117         snprintfW(buf, len, p, arg);
118
119         p = buf;
120     }
121
122     IOleInPlaceFrame_SetStatusText(doc->frame, p);
123
124     if(arg)
125         heap_free(p);
126 }
127
128 HINSTANCE get_shdoclc(void)
129 {
130     static const WCHAR wszShdoclc[] =
131         {'s','h','d','o','c','l','c','.','d','l','l',0};
132
133     if(shdoclc)
134         return shdoclc;
135
136     return shdoclc = LoadLibraryExW(wszShdoclc, NULL, LOAD_LIBRARY_AS_DATAFILE);
137 }
138
139 HDC get_display_dc(void)
140 {
141     static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0};
142
143     if(!display_dc) {
144         HDC hdc;
145
146         hdc = CreateICW(displayW, NULL, NULL, NULL);
147         if(InterlockedCompareExchangePointer((void**)&display_dc, hdc, NULL))
148             DeleteObject(hdc);
149     }
150
151     return display_dc;
152 }
153
154 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
155 {
156     switch(fdwReason) {
157     case DLL_PROCESS_ATTACH:
158         hInst = hInstDLL;
159         break;
160     case DLL_PROCESS_DETACH:
161         process_detach();
162         break;
163     case DLL_THREAD_DETACH:
164         thread_detach();
165         break;
166     }
167     return TRUE;
168 }
169
170 /***********************************************************
171  *    ClassFactory implementation
172  */
173 typedef HRESULT (*CreateInstanceFunc)(IUnknown*,REFIID,void**);
174 typedef struct {
175     IClassFactory IClassFactory_iface;
176     LONG ref;
177     CreateInstanceFunc fnCreateInstance;
178 } ClassFactory;
179
180 static inline ClassFactory *impl_from_IClassFactory(IClassFactory *iface)
181 {
182     return CONTAINING_RECORD(iface, ClassFactory, IClassFactory_iface);
183 }
184
185 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFGUID riid, void **ppvObject)
186 {
187     if(IsEqualGUID(&IID_IClassFactory, riid) || IsEqualGUID(&IID_IUnknown, riid)) {
188         IClassFactory_AddRef(iface);
189         *ppvObject = iface;
190         return S_OK;
191     }
192
193     WARN("not supported iid %s\n", debugstr_guid(riid));
194     *ppvObject = NULL;
195     return E_NOINTERFACE;
196 }
197
198 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
199 {
200     ClassFactory *This = impl_from_IClassFactory(iface);
201     ULONG ref = InterlockedIncrement(&This->ref);
202     TRACE("(%p) ref = %u\n", This, ref);
203     return ref;
204 }
205
206 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
207 {
208     ClassFactory *This = impl_from_IClassFactory(iface);
209     ULONG ref = InterlockedDecrement(&This->ref);
210
211     TRACE("(%p) ref = %u\n", This, ref);
212
213     if(!ref) {
214         heap_free(This);
215     }
216
217     return ref;
218 }
219
220 static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown *pUnkOuter,
221         REFIID riid, void **ppvObject)
222 {
223     ClassFactory *This = impl_from_IClassFactory(iface);
224     return This->fnCreateInstance(pUnkOuter, riid, ppvObject);
225 }
226
227 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL dolock)
228 {
229     TRACE("(%p)->(%x)\n", iface, dolock);
230
231     /* We never unload the DLL. See DllCanUnloadNow(). */
232     return S_OK;
233 }
234
235 static const IClassFactoryVtbl HTMLClassFactoryVtbl = {
236     ClassFactory_QueryInterface,
237     ClassFactory_AddRef,
238     ClassFactory_Release,
239     ClassFactory_CreateInstance,
240     ClassFactory_LockServer
241 };
242
243 static HRESULT ClassFactory_Create(REFIID riid, void **ppv, CreateInstanceFunc fnCreateInstance)
244 {
245     ClassFactory *ret = heap_alloc(sizeof(ClassFactory));
246     HRESULT hres;
247
248     ret->IClassFactory_iface.lpVtbl = &HTMLClassFactoryVtbl;
249     ret->ref = 0;
250     ret->fnCreateInstance = fnCreateInstance;
251
252     hres = IClassFactory_QueryInterface(&ret->IClassFactory_iface, riid, ppv);
253     if(FAILED(hres)) {
254         heap_free(ret);
255         *ppv = NULL;
256     }
257     return hres;
258 }
259
260 /******************************************************************
261  *              DllGetClassObject (MSHTML.@)
262  */
263 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
264 {
265     if(IsEqualGUID(&CLSID_HTMLDocument, rclsid)) {
266         TRACE("(CLSID_HTMLDocument %s %p)\n", debugstr_guid(riid), ppv);
267         return ClassFactory_Create(riid, ppv, HTMLDocument_Create);
268     }else if(IsEqualGUID(&CLSID_AboutProtocol, rclsid)) {
269         TRACE("(CLSID_AboutProtocol %s %p)\n", debugstr_guid(riid), ppv);
270         return ProtocolFactory_Create(rclsid, riid, ppv);
271     }else if(IsEqualGUID(&CLSID_JSProtocol, rclsid)) {
272         TRACE("(CLSID_JSProtocol %s %p)\n", debugstr_guid(riid), ppv);
273         return ProtocolFactory_Create(rclsid, riid, ppv);
274     }else if(IsEqualGUID(&CLSID_MailtoProtocol, rclsid)) {
275         TRACE("(CLSID_MailtoProtocol %s %p)\n", debugstr_guid(riid), ppv);
276         return ProtocolFactory_Create(rclsid, riid, ppv);
277     }else if(IsEqualGUID(&CLSID_ResProtocol, rclsid)) {
278         TRACE("(CLSID_ResProtocol %s %p)\n", debugstr_guid(riid), ppv);
279         return ProtocolFactory_Create(rclsid, riid, ppv);
280     }else if(IsEqualGUID(&CLSID_SysimageProtocol, rclsid)) {
281         TRACE("(CLSID_SysimageProtocol %s %p)\n", debugstr_guid(riid), ppv);
282         return ProtocolFactory_Create(rclsid, riid, ppv);
283     }else if(IsEqualGUID(&CLSID_HTMLLoadOptions, rclsid)) {
284         TRACE("(CLSID_HTMLLoadOptions %s %p)\n", debugstr_guid(riid), ppv);
285         return ClassFactory_Create(riid, ppv, HTMLLoadOptions_Create);
286     }
287
288     FIXME("Unknown class %s\n", debugstr_guid(rclsid));
289     return CLASS_E_CLASSNOTAVAILABLE;
290 }
291
292 /******************************************************************
293  *              DllCanUnloadNow (MSHTML.@)
294  */
295 HRESULT WINAPI DllCanUnloadNow(void)
296 {
297     TRACE("()\n");
298     /* The cost of keeping this DLL in memory is small. */
299     return S_FALSE;
300 }
301
302 /***********************************************************************
303  *          RunHTMLApplication (MSHTML.@)
304  *
305  * Appears to have the same prototype as WinMain.
306  */
307 HRESULT WINAPI RunHTMLApplication( HINSTANCE hinst, HINSTANCE hPrevInst,
308                                LPSTR szCmdLine, INT nCmdShow )
309 {
310     FIXME("%p %p %s %d\n", hinst, hPrevInst, debugstr_a(szCmdLine), nCmdShow );
311     return 0;
312 }
313
314 /***********************************************************************
315  *          RNIGetCompatibleVersion (MSHTML.@)
316  */
317 DWORD WINAPI RNIGetCompatibleVersion(void)
318 {
319     TRACE("()\n");
320     return 0x20000;
321 }
322
323 /***********************************************************************
324  *          DllInstall (MSHTML.@)
325  */
326 HRESULT WINAPI DllInstall(BOOL bInstall, LPCWSTR cmdline)
327 {
328     FIXME("stub %d %s: returning S_OK\n", bInstall, debugstr_w(cmdline));
329     return S_OK;
330 }
331
332 /***********************************************************************
333  *          ShowHTMLDialog (MSHTML.@)
334  */
335 HRESULT WINAPI ShowHTMLDialog(HWND hwndParent, IMoniker *pMk, VARIANT *pvarArgIn,
336         WCHAR *pchOptions, VARIANT *pvarArgOut)
337 {
338     FIXME("(%p %p %p %s %p)\n", hwndParent, pMk, pvarArgIn, debugstr_w(pchOptions), pvarArgOut);
339     return E_NOTIMPL;
340 }
341
342 /***********************************************************************
343  *          PrintHTML (MSHTML.@)
344  */
345 void WINAPI PrintHTML(HWND hwnd, HINSTANCE handle, LPCSTR cmdline, INT show)
346 {
347     FIXME("(%p %p %s %x)\n", hwnd, handle, debugstr_a(cmdline), show);
348 }
349
350 DEFINE_GUID(CLSID_CBackgroundPropertyPage, 0x3050F232, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
351 DEFINE_GUID(CLSID_CCDAnchorPropertyPage, 0x3050F1FC, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
352 DEFINE_GUID(CLSID_CCDGenericPropertyPage, 0x3050F17F, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
353 DEFINE_GUID(CLSID_CDwnBindInfo, 0x3050F3C2, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
354 DEFINE_GUID(CLSID_CHiFiUses, 0x5AAF51B3, 0xB1F0, 0x11D1, 0xB6,0xAB, 0x00,0xA0,0xC9,0x08,0x33,0xE9);
355 DEFINE_GUID(CLSID_CHtmlComponentConstructor, 0x3050F4F8, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
356 DEFINE_GUID(CLSID_CInlineStylePropertyPage, 0x3050F296, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
357 DEFINE_GUID(CLSID_CPeerHandler, 0x5AAF51B2, 0xB1F0, 0x11D1, 0xB6,0xAB, 0x00,0xA0,0xC9,0x08,0x33,0xE9);
358 DEFINE_GUID(CLSID_CRecalcEngine, 0x3050F499, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
359 DEFINE_GUID(CLSID_CSvrOMUses, 0x3050F4F0, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
360 DEFINE_GUID(CLSID_CrSource, 0x65014010, 0x9F62, 0x11D1, 0xA6,0x51, 0x00,0x60,0x08,0x11,0xD5,0xCE);
361 DEFINE_GUID(CLSID_ExternalFrameworkSite, 0x3050F163, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
362 DEFINE_GUID(CLSID_HTADocument, 0x3050F5C8, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
363 DEFINE_GUID(CLSID_HTMLPluginDocument, 0x25336921, 0x03F9, 0x11CF, 0x8F,0xD0, 0x00,0xAA,0x00,0x68,0x6F,0x13);
364 DEFINE_GUID(CLSID_HTMLPopup, 0x3050F667, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
365 DEFINE_GUID(CLSID_HTMLPopupDoc, 0x3050F67D, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
366 DEFINE_GUID(CLSID_HTMLServerDoc, 0x3050F4E7, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
367 DEFINE_GUID(CLSID_IImageDecodeFilter, 0x607FD4E8, 0x0A03, 0x11D1, 0xAB,0x1D, 0x00,0xC0,0x4F,0xC9,0xB3,0x04);
368 DEFINE_GUID(CLSID_IImgCtx, 0x3050F3D6, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
369 DEFINE_GUID(CLSID_IntDitherer, 0x05F6FE1A, 0xECEF, 0x11D0, 0xAA,0xE7, 0x00,0xC0,0x4F,0xC9,0xB3,0x04);
370 DEFINE_GUID(CLSID_MHTMLDocument, 0x3050F3D9, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
371 DEFINE_GUID(CLSID_TridentAPI, 0x429AF92C, 0xA51F, 0x11D2, 0x86,0x1E, 0x00,0xC0,0x4F,0xA3,0x5C,0x89);
372
373 #define INF_SET_ID(id)            \
374     do                            \
375     {                             \
376         static CHAR name[] = #id; \
377                                   \
378         pse[i].pszName = name;    \
379         clsids[i++] = &id;        \
380     } while (0)
381
382 #define INF_SET_CLSID(clsid) INF_SET_ID(CLSID_ ## clsid)
383
384 static HRESULT register_server(BOOL do_register)
385 {
386     HRESULT hres;
387     HMODULE hAdvpack;
388     HRESULT (WINAPI *pRegInstall)(HMODULE hm, LPCSTR pszSection, const STRTABLEA* pstTable);
389     STRTABLEA strtable;
390     STRENTRYA pse[35];
391     static CLSID const *clsids[35];
392     unsigned int i = 0;
393
394     static const WCHAR wszAdvpack[] = {'a','d','v','p','a','c','k','.','d','l','l',0};
395
396     TRACE("(%x)\n", do_register);
397
398     INF_SET_CLSID(AboutProtocol);
399     INF_SET_CLSID(CAnchorBrowsePropertyPage);
400     INF_SET_CLSID(CBackgroundPropertyPage);
401     INF_SET_CLSID(CCDAnchorPropertyPage);
402     INF_SET_CLSID(CCDGenericPropertyPage);
403     INF_SET_CLSID(CDocBrowsePropertyPage);
404     INF_SET_CLSID(CDwnBindInfo);
405     INF_SET_CLSID(CHiFiUses);
406     INF_SET_CLSID(CHtmlComponentConstructor);
407     INF_SET_CLSID(CImageBrowsePropertyPage);
408     INF_SET_CLSID(CInlineStylePropertyPage);
409     INF_SET_CLSID(CPeerHandler);
410     INF_SET_CLSID(CRecalcEngine);
411     INF_SET_CLSID(CSvrOMUses);
412     INF_SET_CLSID(CrSource);
413     INF_SET_CLSID(ExternalFrameworkSite);
414     INF_SET_CLSID(HTADocument);
415     INF_SET_CLSID(HTMLDocument);
416     INF_SET_CLSID(HTMLLoadOptions);
417     INF_SET_CLSID(HTMLPluginDocument);
418     INF_SET_CLSID(HTMLPopup);
419     INF_SET_CLSID(HTMLPopupDoc);
420     INF_SET_CLSID(HTMLServerDoc);
421     INF_SET_CLSID(HTMLWindowProxy);
422     INF_SET_CLSID(IImageDecodeFilter);
423     INF_SET_CLSID(IImgCtx);
424     INF_SET_CLSID(IntDitherer);
425     INF_SET_CLSID(JSProtocol);
426     INF_SET_CLSID(MHTMLDocument);
427     INF_SET_CLSID(MailtoProtocol);
428     INF_SET_CLSID(ResProtocol);
429     INF_SET_CLSID(Scriptlet);
430     INF_SET_CLSID(SysimageProtocol);
431     INF_SET_CLSID(TridentAPI);
432     INF_SET_ID(LIBID_MSHTML);
433
434     for(i=0; i < sizeof(pse)/sizeof(pse[0]); i++) {
435         pse[i].pszValue = heap_alloc(39);
436         sprintf(pse[i].pszValue, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
437                 clsids[i]->Data1, clsids[i]->Data2, clsids[i]->Data3, clsids[i]->Data4[0],
438                 clsids[i]->Data4[1], clsids[i]->Data4[2], clsids[i]->Data4[3], clsids[i]->Data4[4],
439                 clsids[i]->Data4[5], clsids[i]->Data4[6], clsids[i]->Data4[7]);
440     }
441
442     strtable.cEntries = sizeof(pse)/sizeof(pse[0]);
443     strtable.pse = pse;
444
445     hAdvpack = LoadLibraryW(wszAdvpack);
446     pRegInstall = (void *)GetProcAddress(hAdvpack, "RegInstall");
447
448     hres = pRegInstall(hInst, do_register ? "RegisterDll" : "UnregisterDll", &strtable);
449
450     for(i=0; i < sizeof(pse)/sizeof(pse[0]); i++)
451         heap_free(pse[i].pszValue);
452
453     if(FAILED(hres))
454         ERR("RegInstall failed: %08x\n", hres);
455
456     return hres;
457 }
458
459 #undef INF_SET_CLSID
460 #undef INF_SET_ID
461
462 /***********************************************************************
463  *          DllRegisterServer (MSHTML.@)
464  */
465 HRESULT WINAPI DllRegisterServer(void)
466 {
467     HRESULT hres;
468
469     hres = __wine_register_resources( hInst );
470     if(SUCCEEDED(hres))
471         hres = register_server(TRUE);
472     if(SUCCEEDED(hres))
473         load_gecko(FALSE);
474
475     return hres;
476 }
477
478 /***********************************************************************
479  *          DllUnregisterServer (MSHTML.@)
480  */
481 HRESULT WINAPI DllUnregisterServer(void)
482 {
483     HRESULT hres = __wine_unregister_resources( hInst );
484     if(SUCCEEDED(hres)) hres = register_server(FALSE);
485     return hres;
486 }
487
488 const char *debugstr_variant(const VARIANT *v)
489 {
490     if(!v)
491         return "(null)";
492
493     switch(V_VT(v)) {
494     case VT_EMPTY:
495         return "{VT_EMPTY}";
496     case VT_NULL:
497         return "{VT_NULL}";
498     case VT_I4:
499         return wine_dbg_sprintf("{VT_I4: %d}", V_I4(v));
500     case VT_R8:
501         return wine_dbg_sprintf("{VT_R8: %lf}", V_R8(v));
502     case VT_BSTR:
503         return wine_dbg_sprintf("{VT_BSTR: %s}", debugstr_w(V_BSTR(v)));
504     case VT_DISPATCH:
505         return wine_dbg_sprintf("{VT_DISPATCH: %p}", V_DISPATCH(v));
506     case VT_ERROR:
507         return wine_dbg_sprintf("{VT_ERROR: %08x}", V_ERROR(v));
508     case VT_BOOL:
509         return wine_dbg_sprintf("{VT_BOOL: %x}", V_BOOL(v));
510     case VT_UINT:
511         return wine_dbg_sprintf("{VT_UINT: %u}", V_UINT(v));
512     default:
513         return wine_dbg_sprintf("{vt %d}", V_VT(v));
514     }
515 }