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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <atomic>
#include "common/all-versions/default/EffectMap.h"
namespace android {
ANDROID_SINGLETON_STATIC_INSTANCE(EffectMap);
// static
const uint64_t EffectMap::INVALID_ID = 0;
// static
uint64_t EffectMap::makeUniqueId() {
static std::atomic<uint64_t> counter{INVALID_ID + 1};
return counter++;
}
uint64_t EffectMap::add(effect_handle_t handle) {
uint64_t newId = makeUniqueId();
std::lock_guard<std::mutex> lock(mLock);
mEffects.add(newId, handle);
return newId;
}
effect_handle_t EffectMap::get(const uint64_t& id) {
std::lock_guard<std::mutex> lock(mLock);
ssize_t idx = mEffects.indexOfKey(id);
return idx >= 0 ? mEffects[idx] : NULL;
}
void EffectMap::remove(effect_handle_t handle) {
std::lock_guard<std::mutex> lock(mLock);
for (size_t i = 0; i < mEffects.size(); ++i) {
if (mEffects[i] == handle) {
mEffects.removeItemsAt(i);
break;
}
}
}
} // namespace android
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