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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 "mock/MockDispSync.h"
#include <thread>
using namespace std::chrono_literals;
namespace android {
namespace mock {
// Explicit default instantiation is recommended.
DispSync::DispSync() = default;
DispSync::~DispSync() = default;
status_t DispSync::addEventListener(const char* /*name*/, nsecs_t phase, Callback* callback,
nsecs_t /*lastCallbackTime*/) {
if (mCallback.callback != nullptr) {
return BAD_VALUE;
}
mCallback = {callback, phase};
return NO_ERROR;
}
status_t DispSync::removeEventListener(Callback* callback, nsecs_t* /*outLastCallback*/) {
if (mCallback.callback != callback) {
return BAD_VALUE;
}
mCallback = {nullptr, 0};
return NO_ERROR;
}
status_t DispSync::changePhaseOffset(Callback* callback, nsecs_t phase) {
if (mCallback.callback != callback) {
return BAD_VALUE;
}
mCallback.phase = phase;
return NO_ERROR;
}
void DispSync::triggerCallback() {
if (mCallback.callback == nullptr) return;
const std::chrono::nanoseconds now = std::chrono::steady_clock::now().time_since_epoch();
const auto expectedVSyncTime = now + 16ms;
mCallback.callback->onDispSyncEvent(now.count(), expectedVSyncTime.count());
}
} // namespace mock
} // namespace android
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