| /* |
| * 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 V4L2_CAMERA_HAL_METADATA_NO_EFFECT_CONTROL_DELEGATE_H_ |
| #define V4L2_CAMERA_HAL_METADATA_NO_EFFECT_CONTROL_DELEGATE_H_ |
| |
| #include "control_delegate_interface.h" |
| |
| namespace v4l2_camera_hal { |
| |
| // A NoEffectControlDelegate, as the name implies, has no effect. |
| // The value can be gotten and set, but it does nothing. |
| template <typename T> |
| class NoEffectControlDelegate : public ControlDelegateInterface<T> { |
| public: |
| NoEffectControlDelegate(T default_value) : value_(default_value){}; |
| |
| int GetValue(T* value) override { |
| *value = value_; |
| return 0; |
| }; |
| int SetValue(const T& value) override { |
| value_ = value; |
| return 0; |
| }; |
| |
| private: |
| T value_; |
| }; |
| |
| } // namespace v4l2_camera_hal |
| |
| #endif // V4L2_CAMERA_HAL_METADATA_NO_EFFECT_CONTROL_DELEGATE_H_ |