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/*
* Copyright (C) 2016 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.
*/
#ifndef ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_EVSCAMERAENUMERATOR_H
#define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_EVSCAMERAENUMERATOR_H
#include <android/hardware/automotive/evs/1.0/IEvsEnumerator.h>
#include <android/hardware/automotive/evs/1.0/IEvsCamera.h>
#include <list>
namespace android {
namespace hardware {
namespace automotive {
namespace evs {
namespace V1_0 {
namespace implementation {
class EvsCamera; // from EvsCamera.h
class EvsDisplay; // from EvsDisplay.h
class EvsEnumerator : public IEvsEnumerator {
public:
// Methods from ::android::hardware::automotive::evs::V1_0::IEvsEnumerator follow.
Return<void> getCameraList(getCameraList_cb _hidl_cb) override;
Return<sp<IEvsCamera>> openCamera(const hidl_string& cameraId) override;
Return<void> closeCamera(const ::android::sp<IEvsCamera>& carCamera) override;
Return<sp<IEvsDisplay>> openDisplay() override;
Return<void> closeDisplay(const ::android::sp<IEvsDisplay>& display) override;
Return<DisplayState> getDisplayState() override;
// Implementation details
EvsEnumerator();
private:
// NOTE: All members values are static so that all clients operate on the same state
// That is to say, this is effectively a singleton despite the fact that HIDL
// constructs a new instance for each client.
struct CameraRecord {
CameraDesc desc;
wp<EvsCamera> activeInstance;
CameraRecord(const char *cameraId) : desc() { desc.cameraId = cameraId; }
};
static std::list<CameraRecord> sCameraList;
static wp<EvsDisplay> sActiveDisplay; // Weak pointer. Object destructs if client dies.
};
} // namespace implementation
} // namespace V1_0
} // namespace evs
} // namespace automotive
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_EVSCAMERAENUMERATOR_H
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