WebContent+Friends: Add get_element_property IPC and plumbing

3 files changed, 29 insertions, 0 deletions

diff --git a/Userland/Services/WebContent/ConnectionFromClient.cpp b/Userland/Services/WebContent/ConnectionFromClient.cpp
index a003cf6207..c2dec08eaf 100644
--- a/Userland/Services/WebContent/ConnectionFromClient.cpp
+++ b/Userland/Services/WebContent/ConnectionFromClient.cpp
@@ -490,6 +490,33 @@ Messages::WebContentServer::GetElementAttributeResponse ConnectionFromClient::ge
     return { element.get_attribute(name) };
 }
 
+Messages::WebContentServer::GetElementPropertyResponse ConnectionFromClient::get_element_property(i32 element_id, String const& name)
+{
+    auto* node = Web::DOM::Node::from_id(element_id);
+    if (!node)
+        return Optional<String> {};
+
+    if (!node->is_element())
+        return Optional<String> {};
+
+    auto& element = verify_cast<Web::DOM::Element>(*node);
+
+    auto property_or_error = element.get(name);
+    if (property_or_error.is_throw_completion())
+        return Optional<String> {};
+
+    auto property = property_or_error.release_value();
+
+    if (property.is_undefined())
+        return Optional<String> {};
+
+    auto string_or_error = property.to_string(element.vm());
+    if (string_or_error.is_error())
+        return Optional<String> {};
+
+    return { string_or_error.release_value() };
+}
+
 Messages::WebContentServer::GetSelectedTextResponse ConnectionFromClient::get_selected_text()
 {
     return page().focused_context().selected_text();
diff --git a/Userland/Services/WebContent/ConnectionFromClient.h b/Userland/Services/WebContent/ConnectionFromClient.h
index d342add598..7406a98536 100644
--- a/Userland/Services/WebContent/ConnectionFromClient.h
+++ b/Userland/Services/WebContent/ConnectionFromClient.h
@@ -82,6 +82,7 @@ private:
     virtual Messages::WebContentServer::GetDocumentElementResponse get_document_element() override;
     virtual Messages::WebContentServer::QuerySelectorAllResponse query_selector_all(i32 start_node_id, String const& selector) override;
     virtual Messages::WebContentServer::GetElementAttributeResponse get_element_attribute(i32 element_id, String const& name) override;
+    virtual Messages::WebContentServer::GetElementPropertyResponse get_element_property(i32 element_id, String const& name) override;
 
     virtual Messages::WebContentServer::GetLocalStorageEntriesResponse get_local_storage_entries() override;
     virtual Messages::WebContentServer::GetSessionStorageEntriesResponse get_session_storage_entries() override;
diff --git a/Userland/Services/WebContent/WebContentServer.ipc b/Userland/Services/WebContent/WebContentServer.ipc
index 99be81958d..1f9bd696ff 100644
--- a/Userland/Services/WebContent/WebContentServer.ipc
+++ b/Userland/Services/WebContent/WebContentServer.ipc
@@ -40,6 +40,7 @@ endpoint WebContentServer
     get_document_element() => (Optional<i32> node_id)
     query_selector_all(i32 start_node_id, String selector) => (Optional<Vector<i32>> elements_ids)
     get_element_attribute(i32 element_id, String name) => (Optional<String> attribute)
+    get_element_property(i32 element_id, String name) => (Optional<String> property)
 
     run_javascript(String js_source) =|