Connor McAdams : uiautomationcore: Separate checking if a node is within the scope of a registered event from event invocation.
Module: wine Branch: master Commit: c21bc70af87cd174b7154db90aa915a29846775b URL: https://gitlab.winehq.org/wine/wine/-/commit/c21bc70af87cd174b7154db90aa915a... Author: Connor McAdams <cmcadams(a)codeweavers.com> Date: Fri Aug 18 12:00:11 2023 -0400 uiautomationcore: Separate checking if a node is within the scope of a registered event from event invocation. Signed-off-by: Connor McAdams <cmcadams(a)codeweavers.com> --- dlls/uiautomationcore/uia_event.c | 68 +++++++++++++++++++++++++-------------- 1 file changed, 43 insertions(+), 25 deletions(-) diff --git a/dlls/uiautomationcore/uia_event.c b/dlls/uiautomationcore/uia_event.c index 0008b543808..7d3af1a9d3c 100644 --- a/dlls/uiautomationcore/uia_event.c +++ b/dlls/uiautomationcore/uia_event.c @@ -1734,8 +1734,8 @@ HRESULT WINAPI UiaRemoveEvent(HUIAEVENT huiaevent) return S_OK; } -static HRESULT uia_event_check_match(HUIANODE node, HUIANODE nav_start_node, SAFEARRAY *rt_id, - struct uia_event_args *args, struct uia_event *event); +static HRESULT uia_event_check_node_within_event_scope(struct uia_event *event, HUIANODE node, SAFEARRAY *rt_id, + HUIANODE *clientside_nav_node_out); static HRESULT uia_event_invoke(HUIANODE node, HUIANODE nav_start_node, struct uia_event_args *args, struct uia_event *event) { HRESULT hr = S_OK; @@ -1745,8 +1745,8 @@ static HRESULT uia_event_invoke(HUIANODE node, HUIANODE nav_start_node, struct u SAFEARRAY *out_req; BSTR tree_struct; - if (nav_start_node) - return uia_event_check_match(node, nav_start_node, NULL, args, event); + if (nav_start_node && (hr = uia_event_check_node_within_event_scope(event, nav_start_node, NULL, NULL)) != S_OK) + return hr; hr = UiaGetUpdatedCache(node, &event->u.clientside.cache_req, NormalizeState_View, NULL, &out_req, &tree_struct); @@ -1807,35 +1807,41 @@ static void set_refuse_hwnd_providers(struct uia_node *node, BOOL refuse_hwnd_pr } /* - * Check if the provider that raised the event matches this particular event. + * Check if a node is within the scope of a registered event. + * If it is, return S_OK. + * If it isn't, return S_FALSE. + * Upon failure, return a failure HR. */ -static HRESULT uia_event_check_match(HUIANODE node, HUIANODE nav_start_node, SAFEARRAY *rt_id, - struct uia_event_args *args, struct uia_event *event) +static HRESULT uia_event_check_node_within_event_scope(struct uia_event *event, HUIANODE node, SAFEARRAY *rt_id, + HUIANODE *clientside_nav_node_out) { struct UiaPropertyCondition prop_cond = { ConditionType_Property, UIA_RuntimeIdPropertyId }; - struct uia_node *node_data = impl_from_IWineUiaNode((IWineUiaNode *)nav_start_node); - HRESULT hr = S_OK; + struct uia_node *node_data = impl_from_IWineUiaNode((IWineUiaNode *)node); + BOOL in_scope = FALSE; + HRESULT hr = S_FALSE; + + if (clientside_nav_node_out) + *clientside_nav_node_out = NULL; + + if (event->event_type == EVENT_TYPE_SERVERSIDE) + assert(clientside_nav_node_out); /* Event is no longer valid. */ if (InterlockedCompareExchange(&event->event_defunct, 0, 0) != 0) - return S_OK; + return S_FALSE; /* Can't match an event that doesn't have a runtime ID, early out. */ if (!event->runtime_id) - return S_OK; + return S_FALSE; if (event->desktop_subtree_event) - return uia_event_invoke(node, NULL, args, event); + return S_OK; if (rt_id && !uia_compare_safearrays(rt_id, event->runtime_id, UIAutomationType_IntArray)) - { - if (event->scope & TreeScope_Element) - hr = uia_event_invoke(node, NULL, args, event); - return hr; - } + return (event->scope & TreeScope_Element) ? S_OK : S_FALSE; if (!(event->scope & (TreeScope_Descendants | TreeScope_Children))) - return S_OK; + return S_FALSE; V_VT(&prop_cond.Value) = VT_I4 | VT_ARRAY; V_ARRAY(&prop_cond.Value) = event->runtime_id; @@ -1855,16 +1861,19 @@ static HRESULT uia_event_check_match(HUIANODE node, HUIANODE nav_start_node, SAF { if (node_data->hwnd) { - hr = uia_event_invoke(node, (HUIANODE)&node_data->IWineUiaNode_iface, args, event); + *clientside_nav_node_out = (HUIANODE)&node_data->IWineUiaNode_iface; + IWineUiaNode_AddRef(&node_data->IWineUiaNode_iface); + in_scope = TRUE; break; } set_refuse_hwnd_providers(node_data, TRUE); } hr = navigate_uia_node(node_data, NavigateDirection_Parent, &node2); - IWineUiaNode_Release(&node_data->IWineUiaNode_iface); if (FAILED(hr) || !node2) - return hr; + break; + + IWineUiaNode_Release(&node_data->IWineUiaNode_iface); node_data = impl_from_IWineUiaNode((IWineUiaNode *)node2); hr = uia_condition_check(node2, (struct UiaCondition *)&prop_cond); @@ -1873,7 +1882,7 @@ static HRESULT uia_event_check_match(HUIANODE node, HUIANODE nav_start_node, SAF if (uia_condition_matched(hr)) { - hr = uia_event_invoke(node, NULL, args, event); + in_scope = TRUE; break; } @@ -1882,13 +1891,17 @@ static HRESULT uia_event_check_match(HUIANODE node, HUIANODE nav_start_node, SAF } IWineUiaNode_Release(&node_data->IWineUiaNode_iface); - return hr; + if (FAILED(hr)) + return hr; + + return in_scope ? S_OK : S_FALSE; } static HRESULT uia_raise_elprov_event_callback(struct uia_event *event, void *data) { struct uia_elprov_event_data *event_data = (struct uia_elprov_event_data *)data; - HRESULT hr; + HUIANODE nav_node = NULL; + HRESULT hr = S_OK; if (!event_data->node) { @@ -1905,7 +1918,12 @@ static HRESULT uia_raise_elprov_event_callback(struct uia_event *event, void *da return hr; } - return uia_event_check_match(event_data->node, event_data->node, event_data->rt_id, event_data->args, event); + hr = uia_event_check_node_within_event_scope(event, event_data->node, event_data->rt_id, &nav_node); + if (hr == S_OK) + hr = uia_event_invoke(event_data->node, nav_node, event_data->args, event); + + UiaNodeRelease(nav_node); + return hr; } static HRESULT uia_raise_elprov_event(IRawElementProviderSimple *elprov, struct uia_event_args *args)
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Alexandre Julliard