62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
/*
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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 CALIBRATION_FILE_H_
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#define CALIBRATION_FILE_H_
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#include <inttypes.h>
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#include <unistd.h>
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#include <memory>
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#include "file.h"
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#include "noncopyable.h"
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#include "JSONObject.h"
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#include <utils/RefBase.h>
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namespace android {
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class CalibrationFile : public NonCopyable {
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public:
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// Get a pointer to the singleton instance
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static std::shared_ptr<CalibrationFile> Instance();
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const sp<JSONObject> GetJSONObject() const;
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bool SetSingleAxis(const char *key, int32_t value);
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bool SetSingleAxis(const char *key, float value);
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bool SetTripleAxis(const char *key, int32_t x, int32_t y, int32_t z);
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bool SetFourAxis(const char *key, int32_t x, int32_t y, int32_t z,
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int32_t w);
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bool Save();
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private:
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CalibrationFile() : file_(nullptr), json_root_(nullptr) {}
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static std::shared_ptr<CalibrationFile> instance_;
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bool Initialize();
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std::unique_ptr<File> file_;
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sp<JSONObject> json_root_;
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bool Read();
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};
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} // namespace android
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#endif // CALIBRATION_FILE_H_
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