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// Copyright 2020 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/quota/quota_override_handle.h"
#include "base/memory/scoped_refptr.h"
#include "base/sequence_checker.h"
#include "base/task/sequenced_task_runner.h"
#include "storage/browser/quota/quota_manager_proxy.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
namespace storage {
QuotaOverrideHandle::QuotaOverrideHandle(
scoped_refptr<QuotaManagerProxy> quota_manager_proxy)
: quota_manager_proxy_(std::move(quota_manager_proxy)) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
quota_manager_proxy_->GetOverrideHandleId(
base::SequencedTaskRunner::GetCurrentDefault(),
base::BindOnce(&QuotaOverrideHandle::DidGetOverrideHandleId,
weak_ptr_factory_.GetWeakPtr()));
}
QuotaOverrideHandle::~QuotaOverrideHandle() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (id_.has_value()) {
quota_manager_proxy_->WithdrawOverridesForHandle(id_.value());
}
}
void QuotaOverrideHandle::OverrideQuotaForStorageKey(
const blink::StorageKey& storage_key,
std::optional<int64_t> quota_size,
base::OnceClosure callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!id_.has_value()) {
// base::Unretained is safe here because this class owns the callback queue
// and the callbacks within, so it's guaranteed to be alive when the
// callback is dispatched.
override_callback_queue_.push_back(base::BindOnce(
&QuotaOverrideHandle::OverrideQuotaForStorageKey,
base::Unretained(this), storage_key, quota_size, std::move(callback)));
return;
}
quota_manager_proxy_->OverrideQuotaForStorageKey(
id_.value(), storage_key, quota_size,
base::SequencedTaskRunner::GetCurrentDefault(), std::move(callback));
}
void QuotaOverrideHandle::DidGetOverrideHandleId(int id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(!id_.has_value());
id_ = std::make_optional(id);
for (auto& callback : override_callback_queue_) {
std::move(callback).Run();
}
override_callback_queue_.clear();
}
} // namespace storage
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