mfmediaengine: Set "ended" state when session presentation ends.
[wine/zf.git] / dlls / propsys / propstore.c
blob6e0d49057d9e43d2643b37e6ec4535406ca248e1
1 /*
2 * standard IPropertyStore implementation
4 * Copyright 2012 Vincent Povirk for CodeWeavers
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.
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.
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
21 #define COBJMACROS
23 #include <stdarg.h>
25 #include "windef.h"
26 #include "winbase.h"
27 #include "objbase.h"
28 #include "rpcproxy.h"
29 #include "propsys.h"
30 #include "wine/debug.h"
31 #include "wine/list.h"
33 #include "initguid.h"
34 #include "propsys_private.h"
36 DEFINE_GUID(FMTID_NamedProperties, 0xd5cdd505, 0x2e9c, 0x101b, 0x93, 0x97, 0x08, 0x00, 0x2b, 0x2c, 0xf9, 0xae);
38 WINE_DEFAULT_DEBUG_CHANNEL(propsys);
40 typedef struct {
41 struct list entry;
42 DWORD pid;
43 PROPVARIANT propvar;
44 PSC_STATE state;
45 } propstore_value;
47 typedef struct {
48 struct list entry;
49 GUID fmtid;
50 struct list values; /* list of struct propstore_value */
51 DWORD count;
52 } propstore_format;
54 typedef struct {
55 IPropertyStoreCache IPropertyStoreCache_iface;
56 LONG ref;
57 CRITICAL_SECTION lock;
58 struct list formats; /* list of struct propstore_format */
59 } PropertyStore;
61 static inline PropertyStore *impl_from_IPropertyStoreCache(IPropertyStoreCache *iface)
63 return CONTAINING_RECORD(iface, PropertyStore, IPropertyStoreCache_iface);
66 static HRESULT WINAPI PropertyStore_QueryInterface(IPropertyStoreCache *iface, REFIID iid,
67 void **ppv)
69 PropertyStore *This = impl_from_IPropertyStoreCache(iface);
70 TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
72 if (!ppv) return E_INVALIDARG;
74 if (IsEqualIID(&IID_IUnknown, iid) || IsEqualIID(&IID_IPropertyStore, iid) ||
75 IsEqualIID(&IID_IPropertyStoreCache, iid))
77 *ppv = &This->IPropertyStoreCache_iface;
79 else
81 FIXME("No interface for %s\n", debugstr_guid(iid));
82 *ppv = NULL;
83 return E_NOINTERFACE;
86 IUnknown_AddRef((IUnknown*)*ppv);
87 return S_OK;
90 static ULONG WINAPI PropertyStore_AddRef(IPropertyStoreCache *iface)
92 PropertyStore *This = impl_from_IPropertyStoreCache(iface);
93 ULONG ref = InterlockedIncrement(&This->ref);
95 TRACE("(%p) refcount=%u\n", iface, ref);
97 return ref;
100 static void destroy_format(propstore_format *format)
102 propstore_value *cursor, *cursor2;
103 LIST_FOR_EACH_ENTRY_SAFE(cursor, cursor2, &format->values, propstore_value, entry)
105 PropVariantClear(&cursor->propvar);
106 HeapFree(GetProcessHeap(), 0, cursor);
108 HeapFree(GetProcessHeap(), 0, format);
111 static ULONG WINAPI PropertyStore_Release(IPropertyStoreCache *iface)
113 PropertyStore *This = impl_from_IPropertyStoreCache(iface);
114 ULONG ref = InterlockedDecrement(&This->ref);
116 TRACE("(%p) refcount=%u\n", iface, ref);
118 if (ref == 0)
120 propstore_format *cursor, *cursor2;
121 This->lock.DebugInfo->Spare[0] = 0;
122 DeleteCriticalSection(&This->lock);
123 LIST_FOR_EACH_ENTRY_SAFE(cursor, cursor2, &This->formats, propstore_format, entry)
124 destroy_format(cursor);
125 HeapFree(GetProcessHeap(), 0, This);
128 return ref;
131 static HRESULT WINAPI PropertyStore_GetCount(IPropertyStoreCache *iface,
132 DWORD *cProps)
134 PropertyStore *This = impl_from_IPropertyStoreCache(iface);
135 propstore_format *format;
137 TRACE("%p,%p\n", iface, cProps);
139 if (!cProps)
140 return E_POINTER;
142 *cProps = 0;
144 EnterCriticalSection(&This->lock);
146 LIST_FOR_EACH_ENTRY(format, &This->formats, propstore_format, entry)
147 *cProps += format->count;
149 LeaveCriticalSection(&This->lock);
151 return S_OK;
154 static HRESULT WINAPI PropertyStore_GetAt(IPropertyStoreCache *iface,
155 DWORD iProp, PROPERTYKEY *pkey)
157 PropertyStore *This = impl_from_IPropertyStoreCache(iface);
158 propstore_format *format=NULL, *format_candidate;
159 propstore_value *value;
160 HRESULT hr;
162 TRACE("%p,%d,%p\n", iface, iProp, pkey);
164 if (!pkey)
165 return E_POINTER;
167 EnterCriticalSection(&This->lock);
169 LIST_FOR_EACH_ENTRY(format_candidate, &This->formats, propstore_format, entry)
171 if (format_candidate->count > iProp)
173 format = format_candidate;
174 pkey->fmtid = format->fmtid;
175 break;
178 iProp -= format_candidate->count;
181 if (format)
183 LIST_FOR_EACH_ENTRY(value, &format->values, propstore_value, entry)
185 if (iProp == 0)
187 pkey->pid = value->pid;
188 break;
191 iProp--;
194 hr = S_OK;
196 else
197 hr = E_INVALIDARG;
199 LeaveCriticalSection(&This->lock);
201 return hr;
204 static HRESULT PropertyStore_LookupValue(PropertyStore *This, REFPROPERTYKEY key,
205 BOOL insert, propstore_value **result)
207 propstore_format *format=NULL, *format_candidate;
208 propstore_value *value=NULL, *value_candidate;
210 if (IsEqualGUID(&key->fmtid, &FMTID_NamedProperties))
212 /* This is used in the property store format [MS-PROPSTORE]
213 * for named values and probably gets special treatment. */
214 ERR("don't know how to handle FMTID_NamedProperties\n");
215 return E_FAIL;
218 LIST_FOR_EACH_ENTRY(format_candidate, &This->formats, propstore_format, entry)
220 if (IsEqualGUID(&format_candidate->fmtid, &key->fmtid))
222 format = format_candidate;
223 break;
227 if (!format)
229 if (!insert)
230 return TYPE_E_ELEMENTNOTFOUND;
232 format = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*format));
233 if (!format)
234 return E_OUTOFMEMORY;
236 format->fmtid = key->fmtid;
237 list_init(&format->values);
238 list_add_tail(&This->formats, &format->entry);
241 LIST_FOR_EACH_ENTRY(value_candidate, &format->values, propstore_value, entry)
243 if (value_candidate->pid == key->pid)
245 value = value_candidate;
246 break;
250 if (!value)
252 if (!insert)
253 return TYPE_E_ELEMENTNOTFOUND;
255 value = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*value));
256 if (!value)
257 return E_OUTOFMEMORY;
259 value->pid = key->pid;
260 list_add_tail(&format->values, &value->entry);
261 format->count++;
264 *result = value;
266 return S_OK;
269 static HRESULT WINAPI PropertyStore_GetValue(IPropertyStoreCache *iface,
270 REFPROPERTYKEY key, PROPVARIANT *pv)
272 PropertyStore *This = impl_from_IPropertyStoreCache(iface);
273 propstore_value *value;
274 HRESULT hr;
276 TRACE("%p,%p,%p\n", iface, key, pv);
278 if (!pv)
279 return E_POINTER;
281 EnterCriticalSection(&This->lock);
283 hr = PropertyStore_LookupValue(This, key, FALSE, &value);
285 if (SUCCEEDED(hr))
286 hr = PropVariantCopy(pv, &value->propvar);
287 else if (hr == TYPE_E_ELEMENTNOTFOUND)
289 PropVariantInit(pv);
290 hr = S_OK;
293 LeaveCriticalSection(&This->lock);
295 return hr;
298 static HRESULT WINAPI PropertyStore_SetValue(IPropertyStoreCache *iface,
299 REFPROPERTYKEY key, REFPROPVARIANT propvar)
301 PropertyStore *This = impl_from_IPropertyStoreCache(iface);
302 propstore_value *value;
303 HRESULT hr;
304 PROPVARIANT temp;
306 TRACE("%p,%p,%p\n", iface, key, propvar);
308 EnterCriticalSection(&This->lock);
310 hr = PropertyStore_LookupValue(This, key, TRUE, &value);
312 if (SUCCEEDED(hr))
313 hr = PropVariantCopy(&temp, propvar);
315 if (SUCCEEDED(hr))
317 PropVariantClear(&value->propvar);
318 value->propvar = temp;
321 LeaveCriticalSection(&This->lock);
323 return hr;
326 static HRESULT WINAPI PropertyStore_Commit(IPropertyStoreCache *iface)
328 FIXME("%p: stub\n", iface);
329 return S_OK;
332 static HRESULT WINAPI PropertyStore_GetState(IPropertyStoreCache *iface,
333 REFPROPERTYKEY key, PSC_STATE *pstate)
335 PropertyStore *This = impl_from_IPropertyStoreCache(iface);
336 propstore_value *value;
337 HRESULT hr;
339 TRACE("%p,%p,%p\n", iface, key, pstate);
341 EnterCriticalSection(&This->lock);
343 hr = PropertyStore_LookupValue(This, key, FALSE, &value);
345 if (SUCCEEDED(hr))
346 *pstate = value->state;
348 LeaveCriticalSection(&This->lock);
350 if (FAILED(hr))
351 *pstate = PSC_NORMAL;
353 return hr;
356 static HRESULT WINAPI PropertyStore_GetValueAndState(IPropertyStoreCache *iface,
357 REFPROPERTYKEY key, PROPVARIANT *ppropvar, PSC_STATE *pstate)
359 PropertyStore *This = impl_from_IPropertyStoreCache(iface);
360 propstore_value *value;
361 HRESULT hr;
363 TRACE("%p,%p,%p,%p\n", iface, key, ppropvar, pstate);
365 EnterCriticalSection(&This->lock);
367 hr = PropertyStore_LookupValue(This, key, FALSE, &value);
369 if (SUCCEEDED(hr))
370 hr = PropVariantCopy(ppropvar, &value->propvar);
372 if (SUCCEEDED(hr))
373 *pstate = value->state;
375 LeaveCriticalSection(&This->lock);
377 if (FAILED(hr))
379 PropVariantInit(ppropvar);
380 *pstate = PSC_NORMAL;
383 return hr;
386 static HRESULT WINAPI PropertyStore_SetState(IPropertyStoreCache *iface,
387 REFPROPERTYKEY key, PSC_STATE pstate)
389 PropertyStore *This = impl_from_IPropertyStoreCache(iface);
390 propstore_value *value;
391 HRESULT hr;
393 TRACE("%p,%p,%d\n", iface, key, pstate);
395 EnterCriticalSection(&This->lock);
397 hr = PropertyStore_LookupValue(This, key, FALSE, &value);
399 if (SUCCEEDED(hr))
400 value->state = pstate;
402 LeaveCriticalSection(&This->lock);
404 return hr;
407 static HRESULT WINAPI PropertyStore_SetValueAndState(IPropertyStoreCache *iface,
408 REFPROPERTYKEY key, const PROPVARIANT *ppropvar, PSC_STATE state)
410 PropertyStore *This = impl_from_IPropertyStoreCache(iface);
411 propstore_value *value;
412 HRESULT hr;
413 PROPVARIANT temp;
415 TRACE("%p,%p,%p,%d\n", iface, key, ppropvar, state);
417 EnterCriticalSection(&This->lock);
419 hr = PropertyStore_LookupValue(This, key, TRUE, &value);
421 if (SUCCEEDED(hr))
422 hr = PropVariantCopy(&temp, ppropvar);
424 if (SUCCEEDED(hr))
426 PropVariantClear(&value->propvar);
427 value->propvar = temp;
428 value->state = state;
431 LeaveCriticalSection(&This->lock);
433 return hr;
436 static const IPropertyStoreCacheVtbl PropertyStore_Vtbl = {
437 PropertyStore_QueryInterface,
438 PropertyStore_AddRef,
439 PropertyStore_Release,
440 PropertyStore_GetCount,
441 PropertyStore_GetAt,
442 PropertyStore_GetValue,
443 PropertyStore_SetValue,
444 PropertyStore_Commit,
445 PropertyStore_GetState,
446 PropertyStore_GetValueAndState,
447 PropertyStore_SetState,
448 PropertyStore_SetValueAndState
451 HRESULT PropertyStore_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
453 PropertyStore *This;
454 HRESULT ret;
456 TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv);
458 *ppv = NULL;
460 if (pUnkOuter) return CLASS_E_NOAGGREGATION;
462 This = HeapAlloc(GetProcessHeap(), 0, sizeof(PropertyStore));
463 if (!This) return E_OUTOFMEMORY;
465 This->IPropertyStoreCache_iface.lpVtbl = &PropertyStore_Vtbl;
466 This->ref = 1;
467 InitializeCriticalSection(&This->lock);
468 This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": PropertyStore.lock");
469 list_init(&This->formats);
471 ret = IPropertyStoreCache_QueryInterface(&This->IPropertyStoreCache_iface, iid, ppv);
472 IPropertyStoreCache_Release(&This->IPropertyStoreCache_iface);
474 return ret;
477 HRESULT WINAPI PSCreatePropertyStoreFromObject(IUnknown *obj, DWORD access, REFIID riid, void **ret)
479 HRESULT hr;
481 TRACE("(%p, %d, %s, %p)\n", obj, access, debugstr_guid(riid), ret);
483 if (!obj || !ret)
484 return E_POINTER;
486 if (IsEqualIID(riid, &IID_IPropertyStore) && SUCCEEDED(hr = IUnknown_QueryInterface(obj, riid, ret)))
487 return hr;
489 FIXME("Unimplemented for %s.\n", debugstr_guid(riid));
490 return E_NOTIMPL;