Sweden-Number/dlls/uiautomationcore/uia_main.c

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/*
* Copyright 2017 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
#include "initguid.h"
#include "uiautomation.h"
#include "wine/debug.h"
#include "wine/heap.h"
WINE_DEFAULT_DEBUG_CHANNEL(uiautomation);
struct uia_object_wrapper
{
IUnknown IUnknown_iface;
LONG refcount;
IUnknown *marshaler;
IUnknown *marshal_object;
};
static struct uia_object_wrapper *impl_uia_object_wrapper_from_IUnknown(IUnknown *iface)
{
return CONTAINING_RECORD(iface, struct uia_object_wrapper, IUnknown_iface);
}
static HRESULT WINAPI uia_object_wrapper_QueryInterface(IUnknown *iface,
REFIID riid, void **ppv)
{
struct uia_object_wrapper *wrapper = impl_uia_object_wrapper_from_IUnknown(iface);
return IUnknown_QueryInterface(wrapper->marshal_object, riid, ppv);
}
static ULONG WINAPI uia_object_wrapper_AddRef(IUnknown *iface)
{
struct uia_object_wrapper *wrapper = impl_uia_object_wrapper_from_IUnknown(iface);
ULONG refcount = InterlockedIncrement(&wrapper->refcount);
TRACE("%p, refcount %ld\n", iface, refcount);
return refcount;
}
static ULONG WINAPI uia_object_wrapper_Release(IUnknown *iface)
{
struct uia_object_wrapper *wrapper = impl_uia_object_wrapper_from_IUnknown(iface);
ULONG refcount = InterlockedDecrement(&wrapper->refcount);
TRACE("%p, refcount %ld\n", iface, refcount);
if (!refcount)
{
IUnknown_Release(wrapper->marshaler);
heap_free(wrapper);
}
return refcount;
}
static const IUnknownVtbl uia_object_wrapper_vtbl = {
uia_object_wrapper_QueryInterface,
uia_object_wrapper_AddRef,
uia_object_wrapper_Release,
};
/*
* When passing the ReservedNotSupportedValue/ReservedMixedAttributeValue
* interface pointers across apartments within the same process, create a free
* threaded marshaler so that the pointer value is preserved.
*/
static HRESULT create_uia_object_wrapper(IUnknown *reserved, void **ppv)
{
struct uia_object_wrapper *wrapper;
HRESULT hr;
TRACE("%p, %p\n", reserved, ppv);
wrapper = heap_alloc(sizeof(*wrapper));
if (!wrapper)
return E_OUTOFMEMORY;
wrapper->IUnknown_iface.lpVtbl = &uia_object_wrapper_vtbl;
wrapper->marshal_object = reserved;
wrapper->refcount = 1;
if (FAILED(hr = CoCreateFreeThreadedMarshaler(&wrapper->IUnknown_iface, &wrapper->marshaler)))
{
heap_free(wrapper);
return hr;
}
hr = IUnknown_QueryInterface(wrapper->marshaler, &IID_IMarshal, ppv);
IUnknown_Release(&wrapper->IUnknown_iface);
return hr;
}
/*
* UiaReservedNotSupportedValue/UiaReservedMixedAttributeValue object.
*/
static HRESULT WINAPI uia_reserved_obj_QueryInterface(IUnknown *iface,
REFIID riid, void **ppv)
{
*ppv = NULL;
if (IsEqualIID(riid, &IID_IUnknown))
*ppv = iface;
else if (IsEqualIID(riid, &IID_IMarshal))
return create_uia_object_wrapper(iface, ppv);
else
return E_NOINTERFACE;
return S_OK;
}
static ULONG WINAPI uia_reserved_obj_AddRef(IUnknown *iface)
{
return 1;
}
static ULONG WINAPI uia_reserved_obj_Release(IUnknown *iface)
{
return 1;
}
static const IUnknownVtbl uia_reserved_obj_vtbl = {
uia_reserved_obj_QueryInterface,
uia_reserved_obj_AddRef,
uia_reserved_obj_Release,
};
static IUnknown uia_reserved_ns_iface = {&uia_reserved_obj_vtbl};
static IUnknown uia_reserved_ma_iface = {&uia_reserved_obj_vtbl};
/*
* UiaHostProviderFromHwnd IRawElementProviderSimple interface.
*/
struct hwnd_host_provider {
IRawElementProviderSimple IRawElementProviderSimple_iface;
LONG refcount;
HWND hwnd;
};
static inline struct hwnd_host_provider *impl_from_hwnd_host_provider(IRawElementProviderSimple *iface)
{
return CONTAINING_RECORD(iface, struct hwnd_host_provider, IRawElementProviderSimple_iface);
}
HRESULT WINAPI hwnd_host_provider_QueryInterface(IRawElementProviderSimple *iface, REFIID riid, void **ppv)
{
*ppv = NULL;
if (IsEqualIID(riid, &IID_IRawElementProviderSimple) || IsEqualIID(riid, &IID_IUnknown))
*ppv = iface;
else
return E_NOINTERFACE;
IRawElementProviderSimple_AddRef(iface);
return S_OK;
}
ULONG WINAPI hwnd_host_provider_AddRef(IRawElementProviderSimple *iface)
{
struct hwnd_host_provider *host_prov = impl_from_hwnd_host_provider(iface);
ULONG refcount = InterlockedIncrement(&host_prov->refcount);
TRACE("%p, refcount %ld\n", iface, refcount);
return refcount;
}
ULONG WINAPI hwnd_host_provider_Release(IRawElementProviderSimple *iface)
{
struct hwnd_host_provider *host_prov = impl_from_hwnd_host_provider(iface);
ULONG refcount = InterlockedDecrement(&host_prov->refcount);
TRACE("%p, refcount %ld\n", iface, refcount);
if (!refcount)
heap_free(host_prov);
return refcount;
}
HRESULT WINAPI hwnd_host_provider_get_ProviderOptions(IRawElementProviderSimple *iface,
enum ProviderOptions *ret_val)
{
TRACE("%p, %p\n", iface, ret_val);
*ret_val = ProviderOptions_ServerSideProvider;
return S_OK;
}
HRESULT WINAPI hwnd_host_provider_GetPatternProvider(IRawElementProviderSimple *iface,
PATTERNID pattern_id, IUnknown **ret_val)
{
TRACE("%p, %d, %p\n", iface, pattern_id, ret_val);
*ret_val = NULL;
return S_OK;
}
HRESULT WINAPI hwnd_host_provider_GetPropertyValue(IRawElementProviderSimple *iface,
PROPERTYID prop_id, VARIANT *ret_val)
{
struct hwnd_host_provider *host_prov = impl_from_hwnd_host_provider(iface);
TRACE("%p, %d, %p\n", iface, prop_id, ret_val);
VariantInit(ret_val);
switch (prop_id)
{
case UIA_NativeWindowHandlePropertyId:
V_VT(ret_val) = VT_I4;
V_I4(ret_val) = HandleToUlong(host_prov->hwnd);
break;
case UIA_ProviderDescriptionPropertyId:
V_VT(ret_val) = VT_BSTR;
V_BSTR(ret_val) = SysAllocString(L"Wine: HWND Provider Proxy");
break;
default:
break;
}
return S_OK;
}
HRESULT WINAPI hwnd_host_provider_get_HostRawElementProvider(IRawElementProviderSimple *iface,
IRawElementProviderSimple **ret_val)
{
TRACE("%p, %p\n", iface, ret_val);
*ret_val = NULL;
return S_OK;
}
IRawElementProviderSimpleVtbl hwnd_host_provider_vtbl = {
hwnd_host_provider_QueryInterface,
hwnd_host_provider_AddRef,
hwnd_host_provider_Release,
hwnd_host_provider_get_ProviderOptions,
hwnd_host_provider_GetPatternProvider,
hwnd_host_provider_GetPropertyValue,
hwnd_host_provider_get_HostRawElementProvider,
};
/***********************************************************************
* UiaClientsAreListening (uiautomationcore.@)
*/
BOOL WINAPI UiaClientsAreListening(void)
{
FIXME("()\n");
return FALSE;
}
/***********************************************************************
* UiaGetReservedMixedAttributeValue (uiautomationcore.@)
*/
HRESULT WINAPI UiaGetReservedMixedAttributeValue(IUnknown **value)
{
TRACE("(%p)\n", value);
if (!value)
return E_INVALIDARG;
*value = &uia_reserved_ma_iface;
return S_OK;
}
/***********************************************************************
* UiaGetReservedNotSupportedValue (uiautomationcore.@)
*/
HRESULT WINAPI UiaGetReservedNotSupportedValue(IUnknown **value)
{
TRACE("(%p)\n", value);
if (!value)
return E_INVALIDARG;
*value = &uia_reserved_ns_iface;
return S_OK;
}
/***********************************************************************
* UiaLookupId (uiautomationcore.@)
*/
int WINAPI UiaLookupId(enum AutomationIdentifierType type, const GUID *guid)
{
FIXME("(%d, %s) stub!\n", type, debugstr_guid(guid));
return 1;
}
/***********************************************************************
* UiaReturnRawElementProvider (uiautomationcore.@)
*/
LRESULT WINAPI UiaReturnRawElementProvider(HWND hwnd, WPARAM wParam,
LPARAM lParam, IRawElementProviderSimple *elprov)
{
FIXME("(%p, %Ix, %Ix, %p) stub!\n", hwnd, wParam, lParam, elprov);
return 0;
}
/***********************************************************************
* UiaRaiseAutomationEvent (uiautomationcore.@)
*/
HRESULT WINAPI UiaRaiseAutomationEvent(IRawElementProviderSimple *provider, EVENTID id)
{
FIXME("(%p, %d): stub\n", provider, id);
return S_OK;
}
/***********************************************************************
* UiaRaiseAutomationPropertyChangedEvent (uiautomationcore.@)
*/
HRESULT WINAPI UiaRaiseAutomationPropertyChangedEvent(IRawElementProviderSimple *provider, PROPERTYID id, VARIANT old, VARIANT new)
{
FIXME("(%p, %d, %s, %s): stub\n", provider, id, debugstr_variant(&old), debugstr_variant(&new));
return S_OK;
}
void WINAPI UiaRegisterProviderCallback(UiaProviderCallback *callback)
{
FIXME("(%p): stub\n", callback);
}
HRESULT WINAPI UiaHostProviderFromHwnd(HWND hwnd, IRawElementProviderSimple **provider)
{
struct hwnd_host_provider *host_prov;
TRACE("(%p, %p)\n", hwnd, provider);
if (provider)
*provider = NULL;
if (!IsWindow(hwnd) || !provider)
return E_INVALIDARG;
host_prov = heap_alloc(sizeof(*host_prov));
if (!host_prov)
return E_OUTOFMEMORY;
host_prov->IRawElementProviderSimple_iface.lpVtbl = &hwnd_host_provider_vtbl;
host_prov->refcount = 1;
host_prov->hwnd = hwnd;
*provider = &host_prov->IRawElementProviderSimple_iface;
return S_OK;
}
HRESULT WINAPI UiaDisconnectProvider(IRawElementProviderSimple *provider)
{
FIXME("(%p): stub\n", provider);
return E_NOTIMPL;
}