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