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LibWeb+WebContent+WebDriver: Implement Get Element Shadow Root

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Timothy Flynn 2022-11-14 19:27:11 -05:00 • committed by Linus Groh
parent cb91e6067c
commit 4d9fd5d190
7 changed files with 70 additions and 0 deletions
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56
Userland/Services/WebContent/WebDriverConnection.cpp
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@ -19,6 +19,7 @@
#include <LibWeb/Cookie/Cookie.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Element.h>
#include <LibWeb/DOM/ShadowRoot.h>
#include <LibWeb/Geometry/DOMRect.h>
#include <LibWeb/HTML/AttributeNames.h>
#include <LibWeb/HTML/BrowsingContext.h>
@ -150,6 +151,36 @@ static ErrorOr<Web::DOM::Element*, Web::WebDriver::Error> get_known_connected_el
return static_cast<Web::DOM::Element*>(node);
}
// https://w3c.github.io/webdriver/#dfn-get-or-create-a-shadow-root-reference
static String get_or_create_a_shadow_root_reference(Web::DOM::ShadowRoot const& shadow_root)
{
// FIXME: 1. For each known shadow root of the current browsing context’s list of known shadow roots:
// FIXME: 1. If known shadow root equals shadow root, return success with known shadow root’s shadow root reference.
// FIXME: 2. Add shadow to the list of known shadow roots of the current browsing context.
// FIXME: 3. Return success with the shadow’s shadow root reference.
return String::number(shadow_root.id());
}
// https://w3c.github.io/webdriver/#dfn-shadow-root-reference-object
static JsonObject shadow_root_reference_object(Web::DOM::ShadowRoot const& shadow_root)
{
// https://w3c.github.io/webdriver/#dfn-shadow-root-identifier
static String const shadow_root_identifier = "shadow-6066-11e4-a52e-4f735466cecf"sv;
// 1. Let identifier be the shadow root identifier.
auto identifier = shadow_root_identifier;
// 2. Let reference be the result of get or create a shadow root reference given shadow root.
auto reference = get_or_create_a_shadow_root_reference(shadow_root);
// 3. Return a JSON Object initialized with a property with name identifier and value reference.
JsonObject object;
object.set("name"sv, move(identifier));
object.set("value"sv, move(reference));
return object;
}
// https://w3c.github.io/webdriver/#dfn-scrolls-into-view
static void scroll_element_into_view(Web::DOM::Element& element)
{
@ -724,6 +755,31 @@ Messages::WebDriverClient::GetActiveElementResponse WebDriverConnection::get_act
return Web::WebDriver::Error::from_code(Web::WebDriver::ErrorCode::NoSuchElement, "The current document does not have an active element"sv);
}
// 12.3.9 Get Element Shadow Root, https://w3c.github.io/webdriver/#get-element-shadow-root
Messages::WebDriverClient::GetElementShadowRootResponse WebDriverConnection::get_element_shadow_root(String const& element_id)
{
// 1. If the current browsing context is no longer open, return error with error code no such window.
TRY(ensure_open_top_level_browsing_context());
// FIXME: 2. Handle any user prompts and return its value if it is an error.
// 3. Let element be the result of trying to get a known connected element with url variable element id.
auto* element = TRY(get_known_connected_element(element_id));
// 4. Let shadow root be element's shadow root.
auto* shadow_root = element->shadow_root();
// 5. If shadow root is null, return error with error code no such shadow root.
if (!shadow_root)
return Web::WebDriver::Error::from_code(Web::WebDriver::ErrorCode::NoSuchShadowRoot, String::formatted("Element with ID '{}' does not have a shadow root", element_id));
// 6. Let serialized be the shadow root reference object for shadow root.
auto serialized = shadow_root_reference_object(*shadow_root);
// 7. Return success with data serialized.
return serialized;
}
// 12.4.1 Is Element Selected, https://w3c.github.io/webdriver/#dfn-is-element-selected
Messages::WebDriverClient::IsElementSelectedResponse WebDriverConnection::is_element_selected(String const& element_id)
{