static HRESULT WINAPI MetadataHandler_QueryInterface(IWICMetadataWriter *iface, REFIID iid,
void **ppv)
{
MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
if (IsEqualIID(&IID_IUnknown, iid) ||
IsEqualIID(&IID_IWICMetadataReader, iid) ||
(IsEqualIID(&IID_IWICMetadataWriter, iid) && This->vtable->is_writer))
{
*ppv = &This->IWICMetadataWriter_iface;
}
else if (IsEqualIID(&IID_IPersist, iid) ||
IsEqualIID(&IID_IPersistStream, iid) ||
IsEqualIID(&IID_IWICPersistStream, iid))
{
*ppv = &This->IWICPersistStream_iface;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static HRESULT WINAPI MetadataHandler_GetEnumerator(IWICMetadataWriter *iface,
IWICEnumMetadataItem **ppIEnumMetadata)
{
MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
TRACE("(%p,%p)\n", iface, ppIEnumMetadata);
return MetadataHandlerEnum_Create(This, 0, ppIEnumMetadata);
}
static HRESULT WINAPI MetadataHandler_GetValue(IWICMetadataWriter *iface,
const PROPVARIANT *schema, const PROPVARIANT *id, PROPVARIANT *value)
{
UINT i;
HRESULT hr = WINCODEC_ERR_PROPERTYNOTFOUND;
MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
TRACE("(%p,%p,%p,%p)\n", iface, schema, id, value);
if (!id) return E_INVALIDARG;
EnterCriticalSection(&This->lock);
for (i = 0; i < This->item_count; i++)
{
if (schema && This->items[i].schema.vt != VT_EMPTY)
{
if (propvar_cmp(schema, &This->items[i].schema) != 0) continue;
}
if (propvar_cmp(id, &This->items[i].id) != 0) continue;
hr = value ? PropVariantCopy(value, &This->items[i].value) : S_OK;
break;
}
LeaveCriticalSection(&This->lock);
return hr;
}
static HRESULT WINAPI MetadataHandler_GetValueByIndex(IWICMetadataWriter *iface,
UINT index, PROPVARIANT *schema, PROPVARIANT *id, PROPVARIANT *value)
{
HRESULT hr = S_OK;
MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
TRACE("%p,%u,%p,%p,%p\n", iface, index, schema, id, value);
EnterCriticalSection(&This->lock);
if (index >= This->item_count)
{
LeaveCriticalSection(&This->lock);
return E_INVALIDARG;
}
if (schema)
hr = PropVariantCopy(schema, &This->items[index].schema);
if (SUCCEEDED(hr) && id)
hr = PropVariantCopy(id, &This->items[index].id);
if (SUCCEEDED(hr) && value)
hr = PropVariantCopy(value, &This->items[index].value);
LeaveCriticalSection(&This->lock);
return hr;
}
static ULONG WINAPI MetadataHandler_AddRef(IWICMetadataWriter *iface)
{
MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
return ref;
}
static HRESULT WINAPI MetadataHandler_GetCount(IWICMetadataWriter *iface,
UINT *pcCount)
{
MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
TRACE("%p,%p\n", iface, pcCount);
if (!pcCount) return E_INVALIDARG;
*pcCount = This->item_count;
return S_OK;
}
static ULONG WINAPI MetadataHandler_Release(IWICMetadataWriter *iface)
{
MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
if (ref == 0)
{
MetadataHandler_FreeItems(This);
This->lock.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&This->lock);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT WINAPI MetadataHandler_GetMetadataHandlerInfo(IWICMetadataWriter *iface,
IWICMetadataHandlerInfo **ppIHandler)
{
HRESULT hr;
IWICComponentInfo *component_info;
MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
TRACE("%p,%p\n", iface, ppIHandler);
hr = CreateComponentInfo(This->vtable->clsid, &component_info);
if (FAILED(hr)) return hr;
hr = IWICComponentInfo_QueryInterface(component_info, &IID_IWICMetadataHandlerInfo,
(void **)ppIHandler);
IWICComponentInfo_Release(component_info);
return hr;
}
