WebDriver+Browser: Implement `POST /session/{id}/window/maximize`

4 files changed, 34 insertions, 0 deletions

diff --git a/Userland/Services/WebDriver/Client.cpp b/Userland/Services/WebDriver/Client.cpp
index 625c83c4f4..0ba89fecff 100644
--- a/Userland/Services/WebDriver/Client.cpp
+++ b/Userland/Services/WebDriver/Client.cpp
@@ -38,6 +38,7 @@ Vector<Client::Route> Client::s_routes = {
     { HTTP::HttpRequest::Method::GET, { "session", ":session_id", "window", "handles" }, &Client::handle_get_window_handles },
     { HTTP::HttpRequest::Method::GET, { "session", ":session_id", "window", "rect" }, &Client::handle_get_window_rect },
     { HTTP::HttpRequest::Method::POST, { "session", ":session_id", "window", "rect" }, &Client::handle_set_window_rect },
+    { HTTP::HttpRequest::Method::POST, { "session", ":session_id", "window", "maximize" }, &Client::handle_maximize_window },
     { HTTP::HttpRequest::Method::POST, { "session", ":session_id", "element" }, &Client::handle_find_element },
     { HTTP::HttpRequest::Method::POST, { "session", ":session_id", "elements" }, &Client::handle_find_elements },
     { HTTP::HttpRequest::Method::POST, { "session", ":session_id", "element", ":element_id", "element" }, &Client::handle_find_element_from_element },
@@ -565,6 +566,16 @@ ErrorOr<JsonValue, WebDriverError> Client::handle_set_window_rect(Vector<StringV
     return make_json_value(result);
 }
 
+// 11.8.3 Maximize Window, https://w3c.github.io/webdriver/#dfn-maximize-window
+// POST /session/{session id}/window/maximize
+ErrorOr<JsonValue, WebDriverError> Client::handle_maximize_window(Vector<StringView> const& parameters, JsonValue const&)
+{
+    dbgln_if(WEBDRIVER_DEBUG, "Handling POST /session/<session_id>/window/maximize");
+    auto* session = TRY(find_session_with_id(parameters[0]));
+    auto result = TRY(session->maximize_window());
+    return make_json_value(result);
+}
+
 // 12.3.2 Find Element, https://w3c.github.io/webdriver/#dfn-find-element
 // POST /session/{session id}/element
 ErrorOr<JsonValue, WebDriverError> Client::handle_find_element(Vector<StringView> const& parameters, JsonValue const& payload)
diff --git a/Userland/Services/WebDriver/Client.h b/Userland/Services/WebDriver/Client.h
index 23cf1bcceb..35270c4640 100644
--- a/Userland/Services/WebDriver/Client.h
+++ b/Userland/Services/WebDriver/Client.h
@@ -63,6 +63,7 @@ private:
     ErrorOr<JsonValue, WebDriverError> handle_get_window_handles(Vector<StringView> const&, JsonValue const& payload);
     ErrorOr<JsonValue, WebDriverError> handle_get_window_rect(Vector<StringView> const&, JsonValue const& payload);
     ErrorOr<JsonValue, WebDriverError> handle_set_window_rect(Vector<StringView> const&, JsonValue const& payload);
+    ErrorOr<JsonValue, WebDriverError> handle_maximize_window(Vector<StringView> const&, JsonValue const& payload);
     ErrorOr<JsonValue, WebDriverError> handle_find_element(Vector<StringView> const&, JsonValue const& payload);
     ErrorOr<JsonValue, WebDriverError> handle_find_elements(Vector<StringView> const&, JsonValue const& payload);
     ErrorOr<JsonValue, WebDriverError> handle_find_element_from_element(Vector<StringView> const&, JsonValue const& payload);
diff --git a/Userland/Services/WebDriver/Session.cpp b/Userland/Services/WebDriver/Session.cpp
index 957b3b6167..2c7c10e98c 100644
--- a/Userland/Services/WebDriver/Session.cpp
+++ b/Userland/Services/WebDriver/Session.cpp
@@ -380,6 +380,27 @@ ErrorOr<JsonValue, WebDriverError> Session::set_window_rect(JsonValue const& pay
     return serialize_window_rect(m_browser_connection->get_window_rect());
 }
 
+// 11.8.3 Maximize Window, https://w3c.github.io/webdriver/#dfn-maximize-window
+ErrorOr<JsonValue, WebDriverError> Session::maximize_window()
+{
+    // 1. If the remote end does not support the Maximize Window command for the current top-level browsing context for any reason, return error with error code unsupported operation.
+
+    // 2. If the current top-level browsing context is no longer open, return error with error code no such window.
+    TRY(check_for_open_top_level_browsing_context_or_return_error());
+
+    // FIXME: 3. Handle any user prompts and return its value if it is an error.
+    // FIXME: 4. Fully exit fullscreen.
+
+    // 5. Restore the window.
+    m_browser_connection->async_restore_window();
+
+    // 6. Maximize the window of the current top-level browsing context.
+    m_browser_connection->async_maximize_window();
+
+    // 7. Return success with data set to the WindowRect object for the current top-level browsing context.
+    return serialize_window_rect(m_browser_connection->get_window_rect());
+}
+
 // https://w3c.github.io/webdriver/#dfn-get-or-create-a-web-element-reference
 static String get_or_create_a_web_element_reference(Session::LocalElement const& element)
 {
diff --git a/Userland/Services/WebDriver/Session.h b/Userland/Services/WebDriver/Session.h
index 4967d1087b..8640cdbc0f 100644
--- a/Userland/Services/WebDriver/Session.h
+++ b/Userland/Services/WebDriver/Session.h
@@ -52,6 +52,7 @@ public:
     ErrorOr<JsonValue, WebDriverError> get_window_handles() const;
     ErrorOr<JsonValue, WebDriverError> get_window_rect();
     ErrorOr<JsonValue, WebDriverError> set_window_rect(JsonValue const& payload);
+    ErrorOr<JsonValue, WebDriverError> maximize_window();
     ErrorOr<JsonValue, WebDriverError> find_element(JsonValue const& payload);
     ErrorOr<JsonValue, WebDriverError> find_elements(JsonValue const& payload);
     ErrorOr<JsonValue, WebDriverError> find_element_from_element(JsonValue const& payload, StringView parameter_element_id);