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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/feature_engagement/internal/display_lock_controller_impl.h"
#include "base/functional/bind.h"
#include "base/threading/thread_checker.h"
#include "components/feature_engagement/public/tracker.h"
namespace feature_engagement {
DisplayLockControllerImpl::DisplayLockControllerImpl() = default;
DisplayLockControllerImpl::~DisplayLockControllerImpl() = default;
void DisplayLockControllerImpl::ReleaseDisplayLock(uint32_t handle_id) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
auto it = outstanding_display_locks_.find(handle_id);
CHECK(it != outstanding_display_locks_.end());
outstanding_display_locks_.erase(it);
}
std::unique_ptr<DisplayLockHandle>
DisplayLockControllerImpl::AcquireDisplayLock() {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
uint32_t handle_id = next_handle_id_++;
DCHECK_EQ(0u, outstanding_display_locks_.count(handle_id));
outstanding_display_locks_.insert(handle_id);
return std::make_unique<DisplayLockHandle>(
base::BindOnce(&DisplayLockControllerImpl::ReleaseDisplayLock,
weak_ptr_factory_.GetWeakPtr(), handle_id));
}
bool DisplayLockControllerImpl::IsDisplayLocked() const {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
return !outstanding_display_locks_.empty();
}
} // namespace feature_engagement
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