RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 19:37:36 +00:00
Code Issues Activity Actions

LibWeb: Implement Document/BrowsingContext hookup according to spec

Browse source 
We now implement the browsing context's "set active document" algorithm
from the spec, as well as the "discard" algorithm for browsing contexts
and documents.
This commit is contained in:
Andreas Kling 2022-09-20 21:44:42 +02:00
parent ab8432783e
commit 92deba7197
9 changed files with 189 additions and 70 deletions
Download patch file Download diff file Expand all files Collapse all files

115
Userland/Libraries/LibWeb/DOM/Document.cpp
View file

@ -651,20 +651,6 @@ void Document::set_title(String const& title)
}
}
void Document::attach_to_browsing_context(Badge<HTML::BrowsingContext>, HTML::BrowsingContext& browsing_context)
{
m_browsing_context = browsing_context;
update_the_visibility_state(browsing_context.system_visibility_state());
}
void Document::detach_from_browsing_context(Badge<HTML::BrowsingContext>, HTML::BrowsingContext& browsing_context)
{
VERIFY(&browsing_context == m_browsing_context);
tear_down_layout_tree();
m_browsing_context = nullptr;
}
void Document::tear_down_layout_tree()
{
if (!m_layout_root)
@ -1605,6 +1591,11 @@ String Document::visibility_state() const
VERIFY_NOT_REACHED();
}
void Document::set_visibility_state(Badge<HTML::BrowsingContext>, HTML::VisibilityState visibility_state)
{
m_visibility_state = visibility_state;
}
// https://html.spec.whatwg.org/multipage/interaction.html#update-the-visibility-state
void Document::update_the_visibility_state(HTML::VisibilityState visibility_state)
{
@ -2021,4 +2012,100 @@ Vector<NonnullRefPtr<HTML::BrowsingContext>> Document::list_of_descendant_browsi
return list;
}
// https://html.spec.whatwg.org/multipage/window-object.html#discard-a-document
void Document::discard()
{
// 1. Set document's salvageable state to false.
m_salvageable = false;
// FIXME: 2. Run any unloading document cleanup steps for document that are defined by this specification and other applicable specifications.
// 3. Abort document.
abort();
// 4. Remove any tasks associated with document in any task source, without running those tasks.
HTML::main_thread_event_loop().task_queue().remove_tasks_matching([this](auto& task) {
return task.document() == this;
});
// 5. Discard all the child browsing contexts of document.
if (browsing_context()) {
browsing_context()->for_each_child([](HTML::BrowsingContext& child_browsing_context) {
child_browsing_context.discard();
});
}
// FIXME: 6. For each session history entry entry whose document is equal to document, set entry's document to null.
// 7. Set document's browsing context to null.
tear_down_layout_tree();
m_browsing_context = nullptr;
// FIXME: 8. Remove document from the owner set of each WorkerGlobalScope object whose set contains document.
// FIXME: 9. For each workletGlobalScope in document's worklet global scopes, terminate workletGlobalScope.
}
// https://html.spec.whatwg.org/multipage/browsing-the-web.html#abort-a-document
void Document::abort()
{
// 1. Abort the active documents of every child browsing context.
// If this results in any of those Document objects having their salvageable state set to false,
// then set document's salvageable state to false also.
if (browsing_context()) {
browsing_context()->for_each_child([this](HTML::BrowsingContext& child_browsing_context) {
if (auto* child_document = child_browsing_context.active_document()) {
child_document->abort();
if (!child_document->m_salvageable)
m_salvageable = false;
}
});
}
// FIXME: 2. Cancel any instances of the fetch algorithm in the context of document,
// discarding any tasks queued for them, and discarding any further data received from the network for them.
// If this resulted in any instances of the fetch algorithm being canceled
// or any queued tasks or any network data getting discarded,
// then set document's salvageable state to false.
// 3. If document's navigation id is non-null, then:
if (m_navigation_id.has_value()) {
// 1. FIXME: Invoke WebDriver BiDi navigation aborted with document's browsing context,
// and new WebDriver BiDi navigation status whose whose id is document's navigation id,
// status is "canceled", and url is document's URL.
// 2. Set document's navigation id to null.
m_navigation_id = {};
}
// 4. If document has an active parser, then:
if (auto parser = active_parser()) {
// 1. Set document's active parser was aborted to true.
m_active_parser_was_aborted = true;
// 2. Abort that parser.
parser->abort();
// 3. Set document's salvageable state to false.
m_salvageable = false;
}
}
// https://html.spec.whatwg.org/multipage/dom.html#active-parser
RefPtr<HTML::HTMLParser> Document::active_parser()
{
if (!m_parser)
return nullptr;
if (m_parser->aborted() || m_parser->stopped())
return nullptr;
return m_parser;
}
void Document::set_browsing_context(HTML::BrowsingContext* browsing_context)
{
m_browsing_context = browsing_context;
}
}