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