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WebContent: Implement the WebDriver Back endpoint according spec

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Timothy Flynn 2024-11-05 11:15:15 -05:00 committed by Andreas Kling
parent d4966bc2d8
commit d867cd26c4
Notes: github-actions[bot] 2024-11-06 09:55:20 +00:00 
Author: https://github.com/trflynn89
Commit: https://github.com/LadybirdBrowser/ladybird/commit/d867cd26c47
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2183
1 changed files with 57 additions and 8 deletions
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63
Userland/Services/WebContent/WebDriverConnection.cpp
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@ -359,21 +359,70 @@ Messages::WebDriverClient::GetCurrentUrlResponse WebDriverConnection::get_curren
// 10.3 Back, https://w3c.github.io/webdriver/#dfn-back
Messages::WebDriverClient::BackResponse WebDriverConnection::back()
{
// 1. If the current top-level browsing context is no longer open, return error with error code no such window.
// 1. If session's current top-level browsing context is no longer open, return error with error code no such window.
TRY(ensure_current_top_level_browsing_context_is_open());
// 2. Handle any user prompts and return its value if it is an error.
// 2. Try to handle any user prompts with session.
handle_any_user_prompts([this]() {
// 3. Traverse the history by a delta –1 for the current browsing context.
current_browsing_context().page().client().page_did_request_navigate_back();
auto& realm = current_top_level_browsing_context()->active_document()->realm();
// FIXME: 4. If the previous step completed results in a pageHide event firing, wait until pageShow event fires or for the session page load timeout milliseconds to pass, whichever occurs sooner.
// FIXME: 5. If the previous step completed by the session page load timeout being reached, and user prompts have been handled, return error with error code timeout.
// 3. Let timeout be session' session timeouts page load timeout.
auto timeout = m_timeouts_configuration.page_load_timeout;
// 6. Return success with data null.
// 4. Let timer be a new timer.
auto timer = realm.heap().allocate<Web::WebDriver::HeapTimer>(realm);
auto on_complete = JS::create_heap_function(realm.heap(), [this, timer]() {
timer->stop();
if (m_document_observer) {
m_document_observer->set_document_page_showing_observer({});
m_document_observer = nullptr;
}
// 8. If timer' timeout fired flag is set:
if (timer->is_timed_out()) {
// 1. Handle any user prompts.
handle_any_user_prompts([this]() {
// 2. Return error with error code timeout.
async_driver_execution_complete(Web::WebDriver::Error::from_code(Web::WebDriver::ErrorCode::Timeout, "Navigation timed out"sv));
});
return;
}
// 9. Return success with data null.
async_driver_execution_complete(JsonValue {});
});
// 5. If timeout is not null:
if (timeout.has_value()) {
// 1. Start the timer with timer and timeout.
timer->start(*timeout, on_complete);
}
// 6. Traverse the history by a delta –1 for session's current browsing context.
current_top_level_browsing_context()->top_level_traversable()->traverse_the_history_by_delta(-1);
// 7. If the previous step completed results in a pageHide event firing, wait until pageShow event fires or
// timer' timeout fired flag to be set, whichever occurs first.
current_top_level_browsing_context()->top_level_traversable()->append_session_history_traversal_steps(JS::create_heap_function(realm.heap(), [this, timer, on_complete]() {
if (timer->is_timed_out())
return;
if (auto* document = current_top_level_browsing_context()->active_document(); document->page_showing()) {
on_complete->function()();
} else {
auto& realm = document->realm();
m_document_observer = realm.heap().allocate<Web::DOM::DocumentObserver>(realm, realm, *document);
m_document_observer->set_document_page_showing_observer([on_complete](auto) {
on_complete->function()();
});
}
}));
});
return JsonValue {};
}