Auto merge of #23585 - georgeroman:tag_name_selector_for_find_element_wd_commands, r=jdm

Implement tag name selector for FindElement and related WebDriver commands

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2 files changed, 116 insertions, 2 deletions

diff --git a/components/script/script_thread.rs b/components/script/script_thread.rs
index ba1741ba321..ae18f075b0e 100644
--- a/components/script/script_thread.rs
+++ b/components/script/script_thread.rs
@@ -2019,6 +2019,14 @@ impl ScriptThread {
                     reply,
                 )
             },
+            WebDriverScriptCommand::FindElementTagName(selector, reply) => {
+                webdriver_handlers::handle_find_element_tag_name(
+                    &*documents,
+                    pipeline_id,
+                    selector,
+                    reply,
+                )
+            },
             WebDriverScriptCommand::FindElementsCSS(selector, reply) => {
                 webdriver_handlers::handle_find_elements_css(
                     &*documents,
@@ -2027,6 +2035,14 @@ impl ScriptThread {
                     reply,
                 )
             },
+            WebDriverScriptCommand::FindElementsTagName(selector, reply) => {
+                webdriver_handlers::handle_find_elements_tag_name(
+                    &*documents,
+                    pipeline_id,
+                    selector,
+                    reply,
+                )
+            },
             WebDriverScriptCommand::FindElementElementCSS(selector, element_id, reply) => {
                 webdriver_handlers::handle_find_element_element_css(
                     &*documents,
@@ -2036,6 +2052,15 @@ impl ScriptThread {
                     reply,
                 )
             },
+            WebDriverScriptCommand::FindElementElementTagName(selector, element_id, reply) => {
+                webdriver_handlers::handle_find_element_element_tag_name(
+                    &*documents,
+                    pipeline_id,
+                    element_id,
+                    selector,
+                    reply,
+                )
+            },
             WebDriverScriptCommand::FindElementElementsCSS(selector, element_id, reply) => {
                 webdriver_handlers::handle_find_element_elements_css(
                     &*documents,
@@ -2045,6 +2070,15 @@ impl ScriptThread {
                     reply,
                 )
             },
+            WebDriverScriptCommand::FindElementElementsTagName(selector, element_id, reply) => {
+                webdriver_handlers::handle_find_element_elements_tag_name(
+                    &*documents,
+                    pipeline_id,
+                    element_id,
+                    selector,
+                    reply,
+                )
+            },
             WebDriverScriptCommand::FocusElement(element_id, reply) => {
                 webdriver_handlers::handle_focus_element(
                     &*documents,
diff --git a/components/script/webdriver_handlers.rs b/components/script/webdriver_handlers.rs
index 5574451bd5b..c960878f60d 100644
--- a/components/script/webdriver_handlers.rs
+++ b/components/script/webdriver_handlers.rs
@@ -182,6 +182,25 @@ pub fn handle_find_element_css(
     reply.send(node_id).unwrap();
 }
 
+pub fn handle_find_element_tag_name(
+    documents: &Documents,
+    pipeline: PipelineId,
+    selector: String,
+    reply: IpcSender<Result<Option<String>, ()>>,
+) {
+    let node_id = documents
+        .find_document(pipeline)
+        .ok_or(())
+        .and_then(|doc| {
+            Ok(doc
+                .GetElementsByTagName(DOMString::from(selector))
+                .elements_iter()
+                .next())
+        })
+        .map(|node| node.map(|x| x.upcast::<Node>().unique_id()));
+    reply.send(node_id).unwrap();
+}
+
 pub fn handle_find_elements_css(
     documents: &Documents,
     pipeline: PipelineId,
@@ -204,6 +223,25 @@ pub fn handle_find_elements_css(
     reply.send(node_ids).unwrap();
 }
 
+pub fn handle_find_elements_tag_name(
+    documents: &Documents,
+    pipeline: PipelineId,
+    selector: String,
+    reply: IpcSender<Result<Vec<String>, ()>>,
+) {
+    let node_ids = documents
+        .find_document(pipeline)
+        .ok_or(())
+        .and_then(|doc| Ok(doc.GetElementsByTagName(DOMString::from(selector))))
+        .map(|nodes| {
+            nodes
+                .elements_iter()
+                .map(|x| x.upcast::<Node>().unique_id())
+                .collect::<Vec<String>>()
+        });
+    reply.send(node_ids).unwrap();
+}
+
 pub fn handle_find_element_element_css(
     documents: &Documents,
     pipeline: PipelineId,
@@ -221,13 +259,33 @@ pub fn handle_find_element_element_css(
     reply.send(node_id).unwrap();
 }
 
-pub fn handle_find_element_elements_css(
+pub fn handle_find_element_element_tag_name(
     documents: &Documents,
     pipeline: PipelineId,
     element_id: String,
     selector: String,
     reply: IpcSender<Result<Option<String>, ()>>,
 ) {
+    let node_id = find_node_by_unique_id(documents, pipeline, element_id)
+        .ok_or(())
+        .and_then(|node| match node.downcast::<Element>() {
+            Some(elem) => Ok(elem
+                .GetElementsByTagName(DOMString::from(selector))
+                .elements_iter()
+                .next()),
+            None => Err(()),
+        })
+        .map(|node| node.map(|x| x.upcast::<Node>().unique_id()));
+    reply.send(node_id).unwrap();
+}
+
+pub fn handle_find_element_elements_css(
+    documents: &Documents,
+    pipeline: PipelineId,
+    element_id: String,
+    selector: String,
+    reply: IpcSender<Result<Vec<String>, ()>>,
+) {
     let node_ids = find_node_by_unique_id(documents, pipeline, element_id)
         .ok_or(())
         .and_then(|node| {
@@ -237,12 +295,34 @@ pub fn handle_find_element_elements_css(
         .map(|nodes| {
             nodes
                 .iter()
-                .map(|x| Some(x.upcast::<Node>().unique_id()))
+                .map(|x| x.upcast::<Node>().unique_id())
                 .collect()
         });
     reply.send(node_ids).unwrap();
 }
 
+pub fn handle_find_element_elements_tag_name(
+    documents: &Documents,
+    pipeline: PipelineId,
+    element_id: String,
+    selector: String,
+    reply: IpcSender<Result<Vec<String>, ()>>,
+) {
+    let node_ids = find_node_by_unique_id(documents, pipeline, element_id)
+        .ok_or(())
+        .and_then(|node| match node.downcast::<Element>() {
+            Some(elem) => Ok(elem.GetElementsByTagName(DOMString::from(selector))),
+            None => Err(()),
+        })
+        .map(|nodes| {
+            nodes
+                .elements_iter()
+                .map(|x| x.upcast::<Node>().unique_id())
+                .collect::<Vec<String>>()
+        });
+    reply.send(node_ids).unwrap();
+}
+
 pub fn handle_focus_element(
     documents: &Documents,
     pipeline: PipelineId,