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LibWeb: Let HTML::EventLoop keep track of live DOM::Document objects

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This will be used by the event loop processing model.
This commit is contained in:
Andreas Kling 2021-10-03 16:07:21 +02:00
parent 6f0d7245d7
commit ae71e5f99b
3 changed files with 36 additions and 0 deletions
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22
Userland/Libraries/LibWeb/HTML/EventLoop/EventLoop.cpp
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@ -8,6 +8,7 @@
#include <LibCore/Timer.h>
#include <LibJS/Runtime/VM.h>
#include <LibWeb/Bindings/MainThreadVM.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/HTML/EventLoop/EventLoop.h>
namespace Web::HTML {
@ -242,4 +243,25 @@ void EventLoop::perform_a_microtask_checkpoint()
m_performing_a_microtask_checkpoint = false;
}
NonnullRefPtrVector<DOM::Document> EventLoop::documents_in_this_event_loop() const
{
NonnullRefPtrVector<DOM::Document> documents;
for (auto& document : m_documents) {
VERIFY(document);
documents.append(*document);
}
return documents;
}
void EventLoop::register_document(Badge<DOM::Document>, DOM::Document& document)
{
m_documents.append(&document);
}
void EventLoop::unregister_document(Badge<DOM::Document>, DOM::Document& document)
{
bool did_remove = m_documents.remove_first_matching([&](auto& entry) { return entry.ptr() == &document; });
VERIFY(did_remove);
}
}

8
Userland/Libraries/LibWeb/HTML/EventLoop/EventLoop.h
View file

@ -7,6 +7,7 @@
#pragma once
#include <AK/Function.h>
#include <AK/WeakPtr.h>
#include <LibCore/Forward.h>
#include <LibJS/Forward.h>
#include <LibWeb/HTML/EventLoop/TaskQueue.h>
@ -49,6 +50,11 @@ public:
void perform_a_microtask_checkpoint();
void register_document(Badge<DOM::Document>, DOM::Document&);
void unregister_document(Badge<DOM::Document>, DOM::Document&);
NonnullRefPtrVector<DOM::Document> documents_in_this_event_loop() const;
private:
Type m_type { Type::Window };
@ -64,6 +70,8 @@ private:
// https://html.spec.whatwg.org/#performing-a-microtask-checkpoint
bool m_performing_a_microtask_checkpoint { false };
Vector<WeakPtr<DOM::Document>> m_documents;
};
EventLoop& main_thread_event_loop();