mirror of
https://github.com/LadybirdBrowser/ladybird.git
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104 lines
3.6 KiB
C++
104 lines
3.6 KiB
C++
/*
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* Copyright (c) 2024, stelar7 <dudedbz@gmail.com>
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* Copyright (c) 2025, Luke Wilde <luke@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/IndexedDB/Internal/Algorithms.h>
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#include <LibWeb/IndexedDB/Internal/IDBRequestObserver.h>
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#include <LibWeb/IndexedDB/Internal/RequestList.h>
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namespace Web::IndexedDB {
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GC_DEFINE_ALLOCATOR(RequestList::PendingRequestProcess);
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void RequestList::all_requests_processed(GC::Heap& heap, GC::Ref<GC::Function<void()>> on_complete)
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{
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GC::Ptr<PendingRequestProcess> pending_request_process;
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for (auto const& entry : *this) {
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if (!entry->processed()) {
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if (!pending_request_process) {
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pending_request_process = heap.allocate<PendingRequestProcess>();
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}
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pending_request_process->add_request_to_observe(*entry.cell());
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}
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}
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if (pending_request_process) {
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pending_request_process->after_all = GC::create_function(heap, [this, pending_request_process, on_complete] {
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bool was_removed = m_pending_request_queue.remove_first_matching([pending_request_process](GC::Root<PendingRequestProcess> stored_pending_connection_process) {
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return stored_pending_connection_process.ptr() == pending_request_process.ptr();
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});
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VERIFY(was_removed);
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queue_a_database_task(on_complete);
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});
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m_pending_request_queue.append(pending_request_process);
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} else {
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queue_a_database_task(on_complete);
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}
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}
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void RequestList::all_previous_requests_processed(GC::Heap& heap, GC::Ref<IDBRequest> const& request, GC::Ref<GC::Function<void()>> on_complete)
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{
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GC::Ptr<PendingRequestProcess> pending_request_process;
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for (auto const& entry : *this) {
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if (entry == request)
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break;
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if (!entry->processed()) {
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if (!pending_request_process) {
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pending_request_process = heap.allocate<PendingRequestProcess>();
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}
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pending_request_process->add_request_to_observe(*entry.cell());
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}
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}
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if (pending_request_process) {
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pending_request_process->after_all = GC::create_function(heap, [this, pending_request_process, on_complete] {
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bool was_removed = m_pending_request_queue.remove_first_matching([pending_request_process](GC::Root<PendingRequestProcess> stored_pending_connection_process) {
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return stored_pending_connection_process.ptr() == pending_request_process.ptr();
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});
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VERIFY(was_removed);
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queue_a_database_task(on_complete);
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});
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m_pending_request_queue.append(*pending_request_process);
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} else {
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queue_a_database_task(on_complete);
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}
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}
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void RequestList::PendingRequestProcess::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(requests_waiting_on);
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visitor.visit(after_all);
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}
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void RequestList::PendingRequestProcess::add_request_to_observe(GC::Ref<IDBRequest> request)
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{
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auto request_observer = heap().allocate<IDBRequestObserver>(request);
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request_observer->set_request_processed_changed_observer(GC::create_function(heap(), [this] {
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VERIFY(!requests_waiting_on.is_empty());
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requests_waiting_on.remove_all_matching([](GC::Ref<IDBRequestObserver> const& pending_request) {
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if (pending_request->request()->processed()) {
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pending_request->unobserve();
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return true;
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}
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return false;
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});
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if (requests_waiting_on.is_empty()) {
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queue_a_database_task(after_all.as_nonnull());
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}
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}));
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requests_waiting_on.append(request_observer);
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}
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}
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