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248 lines
8.3 KiB
C
248 lines
8.3 KiB
C
/*
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* Copyright 2022 Connor McAdams for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define COBJMACROS
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#include "uiautomation.h"
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#include "uia_classes.h"
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#include "wine/list.h"
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#include "wine/rbtree.h"
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#include "wine/heap.h"
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extern HMODULE huia_module DECLSPEC_HIDDEN;
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enum uia_prop_type {
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PROP_TYPE_UNKNOWN,
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PROP_TYPE_ELEM_PROP,
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PROP_TYPE_SPECIAL,
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PROP_TYPE_PATTERN_PROP,
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};
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/*
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* HUIANODEs that have an associated HWND are able to pull data from up to 4
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* different providers:
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*
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* - Override providers are used to override values from all other providers.
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* - Main providers are the base provider for an HUIANODE.
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* - Nonclient providers are used to represent the nonclient area of the HWND.
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* - HWND providers are used to represent data from the HWND as a whole, such
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* as the bounding box.
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*
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* When a property is requested from the node, each provider is queried in
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* descending order starting with the override provider until either one
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* returns a property or there are no more providers to query.
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*/
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enum uia_node_prov_type {
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PROV_TYPE_OVERRIDE,
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PROV_TYPE_MAIN,
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PROV_TYPE_NONCLIENT,
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PROV_TYPE_HWND,
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PROV_TYPE_COUNT,
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};
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struct uia_node {
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IWineUiaNode IWineUiaNode_iface;
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LONG ref;
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IWineUiaProvider *prov[PROV_TYPE_COUNT];
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DWORD git_cookie[PROV_TYPE_COUNT];
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int prov_count;
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int parent_link_idx;
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int creator_prov_idx;
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HWND hwnd;
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BOOL nested_node;
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BOOL disconnected;
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int creator_prov_type;
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struct list prov_thread_list_entry;
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struct list node_map_list_entry;
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struct uia_provider_thread_map_entry *map;
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};
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static inline struct uia_node *impl_from_IWineUiaNode(IWineUiaNode *iface)
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{
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return CONTAINING_RECORD(iface, struct uia_node, IWineUiaNode_iface);
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}
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struct uia_provider {
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IWineUiaProvider IWineUiaProvider_iface;
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LONG ref;
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IRawElementProviderSimple *elprov;
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BOOL refuse_hwnd_node_providers;
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BOOL return_nested_node;
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BOOL parent_check_ran;
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BOOL has_parent;
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};
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static inline struct uia_provider *impl_from_IWineUiaProvider(IWineUiaProvider *iface)
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{
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return CONTAINING_RECORD(iface, struct uia_provider, IWineUiaProvider_iface);
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}
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struct uia_event_args
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{
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struct UiaEventArgs simple_args;
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LONG ref;
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};
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enum uia_event_type {
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EVENT_TYPE_CLIENTSIDE,
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EVENT_TYPE_SERVERSIDE,
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};
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struct uia_event
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{
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IWineUiaEvent IWineUiaEvent_iface;
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LONG ref;
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BOOL desktop_subtree_event;
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SAFEARRAY *runtime_id;
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int event_id;
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int scope;
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IWineUiaEventAdviser **event_advisers;
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int event_advisers_count;
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SIZE_T event_advisers_arr_size;
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struct list event_list_entry;
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struct uia_event_map_entry *event_map_entry;
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LONG event_defunct;
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LONG event_cookie;
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int event_type;
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union
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{
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struct {
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struct UiaCacheRequest cache_req;
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HRESULT (*event_callback)(struct uia_event *, struct uia_event_args *, SAFEARRAY *, BSTR);
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void *callback_data;
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DWORD git_cookie;
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} clientside;
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struct {
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IWineUiaEvent *event_iface;
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struct rb_entry serverside_event_entry;
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LONG proc_id;
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} serverside;
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} u;
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};
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typedef HRESULT UiaWineEventCallback(struct uia_event *, struct uia_event_args *, SAFEARRAY *, BSTR);
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static inline void variant_init_bool(VARIANT *v, BOOL val)
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{
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V_VT(v) = VT_BOOL;
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V_BOOL(v) = val ? VARIANT_TRUE : VARIANT_FALSE;
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}
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static inline void variant_init_i4(VARIANT *v, int val)
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{
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V_VT(v) = VT_I4;
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V_I4(v) = val;
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}
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static inline void get_variant_for_node(HUIANODE node, VARIANT *v)
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{
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#ifdef _WIN64
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V_VT(v) = VT_I8;
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V_I8(v) = (UINT64)node;
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#else
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V_VT(v) = VT_I4;
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V_I4(v) = (UINT32)node;
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#endif
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}
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static inline BOOL uia_array_reserve(void **elements, SIZE_T *capacity, SIZE_T count, SIZE_T size)
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{
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SIZE_T max_capacity, new_capacity;
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void *new_elements;
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if (count <= *capacity)
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return TRUE;
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max_capacity = ~(SIZE_T)0 / size;
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if (count > max_capacity)
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return FALSE;
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new_capacity = max(1, *capacity);
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while (new_capacity < count && new_capacity <= max_capacity / 2)
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new_capacity *= 2;
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if (new_capacity < count)
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new_capacity = count;
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if (!*elements)
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new_elements = heap_alloc_zero(new_capacity * size);
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else
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new_elements = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, *elements, new_capacity * size);
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if (!new_elements)
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return FALSE;
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*elements = new_elements;
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*capacity = new_capacity;
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return TRUE;
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}
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/* uia_client.c */
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int get_node_provider_type_at_idx(struct uia_node *node, int idx) DECLSPEC_HIDDEN;
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HRESULT attach_event_to_uia_node(HUIANODE node, struct uia_event *event) DECLSPEC_HIDDEN;
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HRESULT clone_uia_node(HUIANODE in_node, HUIANODE *out_node) DECLSPEC_HIDDEN;
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HRESULT navigate_uia_node(struct uia_node *node, int nav_dir, HUIANODE *out_node) DECLSPEC_HIDDEN;
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HRESULT create_uia_node_from_elprov(IRawElementProviderSimple *elprov, HUIANODE *out_node,
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BOOL get_hwnd_providers) DECLSPEC_HIDDEN;
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HRESULT uia_node_from_lresult(LRESULT lr, HUIANODE *huianode) DECLSPEC_HIDDEN;
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HRESULT uia_condition_check(HUIANODE node, struct UiaCondition *condition) DECLSPEC_HIDDEN;
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BOOL uia_condition_matched(HRESULT hr) DECLSPEC_HIDDEN;
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/* uia_com_client.c */
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HRESULT create_uia_iface(IUnknown **iface, BOOL is_cui8) DECLSPEC_HIDDEN;
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/* uia_event.c */
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HRESULT create_serverside_uia_event(struct uia_event **out_event, LONG process_id, LONG event_cookie) DECLSPEC_HIDDEN;
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HRESULT uia_event_add_provider_event_adviser(IRawElementProviderAdviseEvents *advise_events,
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struct uia_event *event) DECLSPEC_HIDDEN;
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HRESULT uia_event_add_serverside_event_adviser(IWineUiaEvent *serverside_event, struct uia_event *event) DECLSPEC_HIDDEN;
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HRESULT uia_add_clientside_event(HUIANODE huianode, EVENTID event_id, enum TreeScope scope, PROPERTYID *prop_ids,
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int prop_ids_count, struct UiaCacheRequest *cache_req, SAFEARRAY *rt_id, UiaWineEventCallback *cback,
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void *cback_data, HUIAEVENT *huiaevent) DECLSPEC_HIDDEN;
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/* uia_ids.c */
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const struct uia_prop_info *uia_prop_info_from_id(PROPERTYID prop_id) DECLSPEC_HIDDEN;
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const struct uia_event_info *uia_event_info_from_id(EVENTID event_id) DECLSPEC_HIDDEN;
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const struct uia_pattern_info *uia_pattern_info_from_id(PATTERNID pattern_id) DECLSPEC_HIDDEN;
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const struct uia_control_type_info *uia_control_type_info_from_id(CONTROLTYPEID control_type_id) DECLSPEC_HIDDEN;
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/* uia_provider.c */
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HRESULT create_base_hwnd_provider(HWND hwnd, IRawElementProviderSimple **elprov) DECLSPEC_HIDDEN;
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void uia_stop_provider_thread(void) DECLSPEC_HIDDEN;
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void uia_provider_thread_remove_node(HUIANODE node) DECLSPEC_HIDDEN;
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LRESULT uia_lresult_from_node(HUIANODE huianode) DECLSPEC_HIDDEN;
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HRESULT create_msaa_provider(IAccessible *acc, LONG child_id, HWND hwnd, BOOL known_root_acc,
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IRawElementProviderSimple **elprov) DECLSPEC_HIDDEN;
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/* uia_utils.c */
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HRESULT register_interface_in_git(IUnknown *iface, REFIID riid, DWORD *ret_cookie) DECLSPEC_HIDDEN;
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HRESULT unregister_interface_in_git(DWORD git_cookie) DECLSPEC_HIDDEN;
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HRESULT get_interface_in_git(REFIID riid, DWORD git_cookie, IUnknown **ret_iface) DECLSPEC_HIDDEN;
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HRESULT write_runtime_id_base(SAFEARRAY *sa, HWND hwnd) DECLSPEC_HIDDEN;
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void uia_cache_request_destroy(struct UiaCacheRequest *cache_req) DECLSPEC_HIDDEN;
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HRESULT uia_cache_request_clone(struct UiaCacheRequest *dst, struct UiaCacheRequest *src) DECLSPEC_HIDDEN;
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HRESULT get_safearray_dim_bounds(SAFEARRAY *sa, UINT dim, LONG *lbound, LONG *elems) DECLSPEC_HIDDEN;
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HRESULT get_safearray_bounds(SAFEARRAY *sa, LONG *lbound, LONG *elems) DECLSPEC_HIDDEN;
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int uia_compare_safearrays(SAFEARRAY *sa1, SAFEARRAY *sa2, int prop_type) DECLSPEC_HIDDEN;
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