ladybird/Libraries/LibWeb/IndexedDB/Internal/Database.cpp
Shannon Booth 9b79a686eb LibJS+LibWeb: Use realm.create<T> instead of heap.allocate<T>
The main motivation behind this is to remove JS specifics of the Realm
from the implementation of the Heap.

As a side effect of this change, this is a bit nicer to read than the
previous approach, and in my opinion, also makes it a little more clear
that this method is specific to a JavaScript Realm.
2024-11-13 16:51:44 -05:00

78 lines
2.2 KiB
C++

/*
* Copyright (c) 2024, stelar7 <dudedbz@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/IndexedDB/Internal/ConnectionQueueHandler.h>
#include <LibWeb/IndexedDB/Internal/Database.h>
namespace Web::IndexedDB {
using IDBDatabaseMapping = HashMap<StorageAPI::StorageKey, HashMap<String, JS::Handle<Database>>>;
static IDBDatabaseMapping m_databases;
JS_DEFINE_ALLOCATOR(Database);
Database::~Database() = default;
JS::NonnullGCPtr<Database> Database::create(JS::Realm& realm, String const& name)
{
return realm.create<Database>(realm, name);
}
void Database::visit_edges(Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_associated_connections);
}
ConnectionQueue& ConnectionQueueHandler::for_key_and_name(StorageAPI::StorageKey& key, String& name)
{
return ConnectionQueueHandler::the().m_open_requests.ensure(key, [] {
return HashMap<String, ConnectionQueue>();
})
.ensure(name, [] {
return ConnectionQueue();
});
}
Optional<JS::Handle<Database>> Database::for_key_and_name(StorageAPI::StorageKey& key, String& name)
{
return m_databases.ensure(key, [] {
return HashMap<String, JS::Handle<Database>>();
})
.get(name);
}
ErrorOr<JS::Handle<Database>> Database::create_for_key_and_name(JS::Realm& realm, StorageAPI::StorageKey& key, String& name)
{
auto database_mapping = TRY(m_databases.try_ensure(key, [] {
return HashMap<String, JS::Handle<Database>>();
}));
return database_mapping.try_ensure(name, [&] {
return Database::create(realm, name);
});
}
ErrorOr<void> Database::delete_for_key_and_name(StorageAPI::StorageKey& key, String& name)
{
// FIXME: Is a missing entry a failure?
auto maybe_database_mapping = m_databases.get(key);
if (!maybe_database_mapping.has_value())
return {};
auto& database_mapping = maybe_database_mapping.value();
auto maybe_database = database_mapping.get(name);
if (!maybe_database.has_value())
return {};
auto did_remove = database_mapping.remove(name);
if (!did_remove)
return {};
return {};
}
}