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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_extensions_storage_ExtensionStorageComponents_h_
#define mozilla_extensions_storage_ExtensionStorageComponents_h_
#include "mozIExtensionStorageArea.h"
#include "nsCOMPtr.h"
extern "C" {
// Implemented in Rust, in the `webext_storage_bridge` crate.
nsresult NS_NewExtensionStorageSyncArea(mozIExtensionStorageArea** aResult);
} // extern "C"
namespace mozilla {
namespace extensions {
namespace storage {
// The C++ constructor for a `storage.sync` area. This wrapper exists because
// `components.conf` requires a component class constructor to return an
// `already_AddRefed<T>`, but Rust doesn't have such a type. So we call the
// Rust constructor using a `nsCOMPtr` (which is compatible with Rust's
// `xpcom::RefPtr`) out param, and return that.
already_AddRefed<mozIExtensionStorageArea> NewSyncArea() {
nsCOMPtr<mozIExtensionStorageArea> storage;
nsresult rv = NS_NewExtensionStorageSyncArea(getter_AddRefs(storage));
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
return storage.forget();
}
} // namespace storage
} // namespace extensions
} // namespace mozilla
#endif // mozilla_extensions_storage_ExtensionStorageComponents_h_
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