feat: Support dialogs in the consumer crate

Author: DataTriny

consumer/src/node.rs

@@ -413,6 +413,14 @@ impl<'a> Node<'a> {
         })
     }
 
+    pub fn is_dialog(&self) -> bool {
+        matches!(self.role(), Role::AlertDialog | Role::Dialog)
+    }
+
+    pub fn is_modal(&self) -> bool {
+        self.data().is_modal()
+    }
+
     // When probing for supported actions as the next several functions do,
     // it's tempting to check the role. But it's better to not assume anything
     // beyond what the provider has explicitly told us. Rationale:

consumer/src/tree.rs

@@ -221,6 +221,17 @@ impl State {
         self.focus_id().map(|id| self.node_by_id(id).unwrap())
     }
 
+    pub fn active_dialog(&self) -> Option<Node<'_>> {
+        let mut node = self.focus();
+        while let Some(candidate) = node {
+            if candidate.is_dialog() {
+                return Some(candidate);
+            }
+            node = candidate.parent();
+        }
+        None
+    }
+
     pub fn toolkit_name(&self) -> Option<&str> {
         self.data.toolkit_name.as_deref()
     }