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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "storage/browser/file_system/quota/quota_reservation_manager.h"
#include <stdint.h>
#include <memory>
#include <utility>
#include "base/functional/callback.h"
#include "storage/browser/file_system/quota/quota_reservation.h"
#include "storage/browser/file_system/quota/quota_reservation_buffer.h"
namespace storage {
QuotaReservationManager::QuotaReservationManager(
std::unique_ptr<QuotaBackend> backend)
: backend_(std::move(backend)) {
DETACH_FROM_SEQUENCE(sequence_checker_);
}
QuotaReservationManager::~QuotaReservationManager() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
}
void QuotaReservationManager::ReserveQuota(const url::Origin& origin,
FileSystemType type,
int64_t size,
ReserveQuotaCallback callback) {
DCHECK(!origin.opaque());
backend_->ReserveQuota(origin, type, size, std::move(callback));
}
void QuotaReservationManager::ReleaseReservedQuota(const url::Origin& origin,
FileSystemType type,
int64_t size) {
DCHECK(!origin.opaque());
backend_->ReleaseReservedQuota(origin, type, size);
}
void QuotaReservationManager::CommitQuotaUsage(const url::Origin& origin,
FileSystemType type,
int64_t delta) {
DCHECK(!origin.opaque());
backend_->CommitQuotaUsage(origin, type, delta);
}
void QuotaReservationManager::IncrementDirtyCount(const url::Origin& origin,
FileSystemType type) {
DCHECK(!origin.opaque());
backend_->IncrementDirtyCount(origin, type);
}
void QuotaReservationManager::DecrementDirtyCount(const url::Origin& origin,
FileSystemType type) {
DCHECK(!origin.opaque());
backend_->DecrementDirtyCount(origin, type);
}
scoped_refptr<QuotaReservationBuffer>
QuotaReservationManager::GetReservationBuffer(const url::Origin& origin,
FileSystemType type) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(!origin.opaque());
auto& buffer = reservation_buffers_[std::make_pair(origin, type)];
if (!buffer) {
buffer = new QuotaReservationBuffer(weak_ptr_factory_.GetWeakPtr(), origin,
type);
}
return base::WrapRefCounted(buffer);
}
void QuotaReservationManager::ReleaseReservationBuffer(
QuotaReservationBuffer* reservation_buffer) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
std::pair<url::Origin, FileSystemType> key(reservation_buffer->origin(),
reservation_buffer->type());
DCHECK_EQ(reservation_buffers_[key], reservation_buffer);
reservation_buffers_.erase(key);
}
scoped_refptr<QuotaReservation> QuotaReservationManager::CreateReservation(
const url::Origin& origin,
FileSystemType type) {
DCHECK(!origin.opaque());
return GetReservationBuffer(origin, type)->CreateReservation();
}
} // namespace storage
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