mfplay: Add support for same-thread event callback.
[wine.git] / dlls / mshtml / ifacewrap.c
blob519053e223fda481bb5df1616913e90e4420a785
1 /*
2 * Copyright 2011 Jacek Caban for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 #include <stdarg.h>
21 #define COBJMACROS
23 #include "windef.h"
24 #include "winbase.h"
25 #include "winuser.h"
26 #include "ole2.h"
28 #include "wine/asm.h"
29 #include "wine/debug.h"
31 #include "mshtml_private.h"
33 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
36 * This object wraps any unrecognized interface overriding its IUnknown methods, allowing
37 * us to return external interface from our QI implementation preserving COM rules.
38 * This can't be done right and it seems to be broken by design.
40 typedef struct {
41 IUnknown IUnknown_iface;
42 IUnknown *iface;
43 IUnknown *ref_unk;
44 LONG ref;
45 } iface_wrapper_t;
47 static inline iface_wrapper_t *impl_from_IUnknown(IUnknown *iface)
49 return CONTAINING_RECORD(iface, iface_wrapper_t, IUnknown_iface);
52 static HRESULT WINAPI wrapper_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
54 iface_wrapper_t *This = impl_from_IUnknown(iface);
56 TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
58 return IUnknown_QueryInterface(This->ref_unk, riid, ppv);
61 static ULONG WINAPI wrapper_AddRef(IUnknown *iface)
63 iface_wrapper_t *This = impl_from_IUnknown(iface);
64 LONG ref = InterlockedIncrement(&This->ref);
66 TRACE("(%p) ref=%d\n", This, ref);
68 return ref;
71 static ULONG WINAPI wrapper_Release(IUnknown *iface)
73 iface_wrapper_t *This = impl_from_IUnknown(iface);
74 LONG ref = InterlockedDecrement(&This->ref);
76 TRACE("(%p) ref=%d\n", This, ref);
78 if(!ref) {
79 IUnknown_Release(This->iface);
80 IUnknown_Release(This->ref_unk);
81 heap_free(This);
84 return ref;
87 #ifdef __i386__
89 #define DEFINE_WRAPPER_FUNC(n, off, x) \
90 HRESULT wrapper_func_##n(IUnknown*); \
91 __ASM_GLOBAL_FUNC(wrapper_func_##n, \
92 "movl 4(%esp), %eax\n\t" \
93 "movl 4(%eax), %eax\n\t" \
94 "movl %eax, 4(%esp)\n\t" \
95 "movl 0(%eax), %eax\n\t" \
96 "jmp *" #off "(%eax)\n\t")
98 #elif defined(__x86_64__)
100 #define DEFINE_WRAPPER_FUNC(n, x, off) \
101 HRESULT WINAPI wrapper_func_##n(IUnknown*); \
102 __ASM_GLOBAL_FUNC(wrapper_func_##n, \
103 "movq 8(%rcx), %rcx\n\t" \
104 "movq 0(%rcx), %rax\n\t" \
105 "jmp *" #off "(%rax)\n\t")
107 #else
109 #define DEFINE_WRAPPER_FUNC(n, x, off) \
110 static HRESULT WINAPI wrapper_func_##n(IUnknown *iface) { \
111 ERR("Not implemented for this architecture\n"); \
112 return E_NOTIMPL; \
115 #endif
117 /* DEFINE_WRAPPER_FUNC takes 3 arguments: index in vtbl, 32-bit offset in vtbl and 64-bit offset in vtbl */
118 DEFINE_WRAPPER_FUNC(3, 12, 24)
119 DEFINE_WRAPPER_FUNC(4, 16, 32)
120 DEFINE_WRAPPER_FUNC(5, 20, 40)
121 DEFINE_WRAPPER_FUNC(6, 24, 48)
122 DEFINE_WRAPPER_FUNC(7, 28, 56)
123 DEFINE_WRAPPER_FUNC(8, 32, 64)
124 DEFINE_WRAPPER_FUNC(9, 36, 72)
125 DEFINE_WRAPPER_FUNC(10, 40, 80)
126 DEFINE_WRAPPER_FUNC(11, 44, 88)
127 DEFINE_WRAPPER_FUNC(12, 48, 96)
128 DEFINE_WRAPPER_FUNC(13, 52, 104)
129 DEFINE_WRAPPER_FUNC(14, 56, 112)
130 DEFINE_WRAPPER_FUNC(15, 60, 120)
131 DEFINE_WRAPPER_FUNC(16, 64, 128)
132 DEFINE_WRAPPER_FUNC(17, 68, 136)
133 DEFINE_WRAPPER_FUNC(18, 72, 144)
134 DEFINE_WRAPPER_FUNC(19, 76, 152)
135 DEFINE_WRAPPER_FUNC(20, 80, 160)
136 DEFINE_WRAPPER_FUNC(21, 84, 168)
137 DEFINE_WRAPPER_FUNC(22, 88, 176)
138 DEFINE_WRAPPER_FUNC(23, 92, 184)
139 DEFINE_WRAPPER_FUNC(24, 96, 192)
140 DEFINE_WRAPPER_FUNC(25, 100, 200)
141 DEFINE_WRAPPER_FUNC(26, 104, 208)
142 DEFINE_WRAPPER_FUNC(27, 108, 216)
143 DEFINE_WRAPPER_FUNC(28, 112, 224)
144 DEFINE_WRAPPER_FUNC(29, 116, 232)
145 DEFINE_WRAPPER_FUNC(30, 120, 240)
146 DEFINE_WRAPPER_FUNC(31, 124, 248)
147 DEFINE_WRAPPER_FUNC(32, 128, 256)
148 DEFINE_WRAPPER_FUNC(33, 132, 264)
149 DEFINE_WRAPPER_FUNC(34, 136, 272)
150 DEFINE_WRAPPER_FUNC(35, 140, 280)
151 DEFINE_WRAPPER_FUNC(36, 144, 288)
152 DEFINE_WRAPPER_FUNC(37, 148, 296)
153 DEFINE_WRAPPER_FUNC(38, 152, 304)
154 DEFINE_WRAPPER_FUNC(39, 156, 312)
155 DEFINE_WRAPPER_FUNC(40, 160, 320)
156 DEFINE_WRAPPER_FUNC(41, 164, 328)
157 DEFINE_WRAPPER_FUNC(42, 168, 336)
158 DEFINE_WRAPPER_FUNC(43, 172, 344)
159 DEFINE_WRAPPER_FUNC(44, 176, 352)
160 DEFINE_WRAPPER_FUNC(45, 180, 360)
161 DEFINE_WRAPPER_FUNC(46, 184, 368)
162 DEFINE_WRAPPER_FUNC(47, 188, 376)
163 DEFINE_WRAPPER_FUNC(48, 192, 384)
164 DEFINE_WRAPPER_FUNC(49, 196, 392)
165 DEFINE_WRAPPER_FUNC(50, 200, 400)
166 DEFINE_WRAPPER_FUNC(51, 204, 408)
167 DEFINE_WRAPPER_FUNC(52, 208, 416)
168 DEFINE_WRAPPER_FUNC(53, 212, 424)
169 DEFINE_WRAPPER_FUNC(54, 216, 432)
170 DEFINE_WRAPPER_FUNC(55, 220, 440)
171 DEFINE_WRAPPER_FUNC(56, 224, 448)
172 DEFINE_WRAPPER_FUNC(57, 228, 456)
173 DEFINE_WRAPPER_FUNC(58, 232, 464)
174 DEFINE_WRAPPER_FUNC(59, 236, 472)
175 DEFINE_WRAPPER_FUNC(60, 240, 480)
176 DEFINE_WRAPPER_FUNC(61, 244, 488)
177 DEFINE_WRAPPER_FUNC(62, 248, 496)
178 DEFINE_WRAPPER_FUNC(63, 252, 504)
179 DEFINE_WRAPPER_FUNC(64, 256, 512)
180 DEFINE_WRAPPER_FUNC(65, 260, 520)
181 DEFINE_WRAPPER_FUNC(66, 264, 528)
182 DEFINE_WRAPPER_FUNC(67, 268, 536)
183 DEFINE_WRAPPER_FUNC(68, 272, 544)
184 DEFINE_WRAPPER_FUNC(69, 276, 552)
185 DEFINE_WRAPPER_FUNC(70, 280, 560)
186 DEFINE_WRAPPER_FUNC(71, 284, 568)
187 DEFINE_WRAPPER_FUNC(72, 288, 576)
188 DEFINE_WRAPPER_FUNC(73, 292, 584)
189 DEFINE_WRAPPER_FUNC(74, 296, 592)
190 DEFINE_WRAPPER_FUNC(75, 300, 600)
191 DEFINE_WRAPPER_FUNC(76, 304, 608)
192 DEFINE_WRAPPER_FUNC(77, 308, 616)
193 DEFINE_WRAPPER_FUNC(78, 312, 624)
194 DEFINE_WRAPPER_FUNC(79, 316, 632)
195 DEFINE_WRAPPER_FUNC(80, 320, 640)
196 DEFINE_WRAPPER_FUNC(81, 324, 648)
197 DEFINE_WRAPPER_FUNC(82, 328, 656)
198 DEFINE_WRAPPER_FUNC(83, 332, 664)
199 DEFINE_WRAPPER_FUNC(84, 336, 672)
200 DEFINE_WRAPPER_FUNC(85, 340, 680)
201 DEFINE_WRAPPER_FUNC(86, 344, 688)
202 DEFINE_WRAPPER_FUNC(87, 348, 696)
203 DEFINE_WRAPPER_FUNC(88, 352, 704)
204 DEFINE_WRAPPER_FUNC(89, 356, 712)
205 DEFINE_WRAPPER_FUNC(90, 360, 720)
206 DEFINE_WRAPPER_FUNC(91, 364, 728)
207 DEFINE_WRAPPER_FUNC(92, 368, 736)
208 DEFINE_WRAPPER_FUNC(93, 372, 744)
209 DEFINE_WRAPPER_FUNC(94, 376, 752)
210 DEFINE_WRAPPER_FUNC(95, 380, 760)
211 DEFINE_WRAPPER_FUNC(96, 384, 768)
212 DEFINE_WRAPPER_FUNC(97, 388, 776)
213 DEFINE_WRAPPER_FUNC(98, 392, 784)
214 DEFINE_WRAPPER_FUNC(99, 396, 792)
216 /* The size was found by testing when calls start crashing. It looks like MS wraps up to 100 functions. */
217 static const struct {
218 IUnknownVtbl unk_vtbl;
219 const void *wrappers[97];
220 } wrapper_vtbl = {
222 wrapper_QueryInterface,
223 wrapper_AddRef,
224 wrapper_Release
225 }, {
226 wrapper_func_3,
227 wrapper_func_4,
228 wrapper_func_5,
229 wrapper_func_6,
230 wrapper_func_7,
231 wrapper_func_8,
232 wrapper_func_9,
233 wrapper_func_10,
234 wrapper_func_11,
235 wrapper_func_12,
236 wrapper_func_13,
237 wrapper_func_14,
238 wrapper_func_15,
239 wrapper_func_16,
240 wrapper_func_17,
241 wrapper_func_18,
242 wrapper_func_19,
243 wrapper_func_20,
244 wrapper_func_21,
245 wrapper_func_22,
246 wrapper_func_23,
247 wrapper_func_24,
248 wrapper_func_25,
249 wrapper_func_26,
250 wrapper_func_27,
251 wrapper_func_28,
252 wrapper_func_29,
253 wrapper_func_30,
254 wrapper_func_31,
255 wrapper_func_32,
256 wrapper_func_33,
257 wrapper_func_34,
258 wrapper_func_35,
259 wrapper_func_36,
260 wrapper_func_37,
261 wrapper_func_38,
262 wrapper_func_39,
263 wrapper_func_40,
264 wrapper_func_41,
265 wrapper_func_42,
266 wrapper_func_43,
267 wrapper_func_44,
268 wrapper_func_45,
269 wrapper_func_46,
270 wrapper_func_47,
271 wrapper_func_48,
272 wrapper_func_49,
273 wrapper_func_50,
274 wrapper_func_51,
275 wrapper_func_52,
276 wrapper_func_53,
277 wrapper_func_54,
278 wrapper_func_55,
279 wrapper_func_56,
280 wrapper_func_57,
281 wrapper_func_58,
282 wrapper_func_59,
283 wrapper_func_60,
284 wrapper_func_61,
285 wrapper_func_62,
286 wrapper_func_63,
287 wrapper_func_64,
288 wrapper_func_65,
289 wrapper_func_66,
290 wrapper_func_67,
291 wrapper_func_68,
292 wrapper_func_69,
293 wrapper_func_70,
294 wrapper_func_71,
295 wrapper_func_72,
296 wrapper_func_73,
297 wrapper_func_74,
298 wrapper_func_75,
299 wrapper_func_76,
300 wrapper_func_77,
301 wrapper_func_78,
302 wrapper_func_79,
303 wrapper_func_80,
304 wrapper_func_81,
305 wrapper_func_82,
306 wrapper_func_83,
307 wrapper_func_84,
308 wrapper_func_85,
309 wrapper_func_86,
310 wrapper_func_87,
311 wrapper_func_88,
312 wrapper_func_89,
313 wrapper_func_90,
314 wrapper_func_91,
315 wrapper_func_92,
316 wrapper_func_93,
317 wrapper_func_94,
318 wrapper_func_95,
319 wrapper_func_96,
320 wrapper_func_97,
321 wrapper_func_98,
322 wrapper_func_99
326 HRESULT wrap_iface(IUnknown *iface, IUnknown *ref_unk, IUnknown **ret)
328 iface_wrapper_t *wrapper;
330 wrapper = heap_alloc(sizeof(*wrapper));
331 if(!wrapper)
332 return E_OUTOFMEMORY;
334 wrapper->IUnknown_iface.lpVtbl = &wrapper_vtbl.unk_vtbl;
335 wrapper->ref = 1;
337 IUnknown_AddRef(iface);
338 wrapper->iface = iface;
340 IUnknown_AddRef(ref_unk);
341 wrapper->ref_unk = ref_unk;
343 *ret = &wrapper->IUnknown_iface;
344 return S_OK;