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/* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above
*       copyright notice, this list of conditions and the following
*       disclaimer in the documentation and/or other materials provided
*       with the distribution.
*     * Neither the name of The Linux Foundation nor the names of its
*       contributors may be used to endorse or promote products derived
*       from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/

#ifndef __QCAMERA2FACTORY_H__
#define __QCAMERA2FACTORY_H__

// Camera dependencies
#include "camera_common.h"

namespace qcamera {

typedef struct {
    uint32_t cameraId;
    uint32_t device_version;
} hal_desc;

class QCamera2Factory
{
public:
    QCamera2Factory();
    virtual ~QCamera2Factory();

    static int get_number_of_cameras();
    static int get_camera_info(int camera_id, struct camera_info *info);
    static int set_callbacks(const camera_module_callbacks_t *callbacks);
    static int open_legacy(const struct hw_module_t* module,
            const char* id, uint32_t halVersion, struct hw_device_t** device);
    static int set_torch_mode(const char* camera_id, bool on);
    bool isDualCamAvailable(int hal3Enabled);

private:
    int getNumberOfCameras();
    int getCameraInfo(int camera_id, struct camera_info *info);
    int setCallbacks(const camera_module_callbacks_t *callbacks);
    int cameraDeviceOpen(int camera_id, struct hw_device_t **hw_device);
    static int camera_device_open(const struct hw_module_t *module, const char *id,
                struct hw_device_t **hw_device);
    static int openLegacy(
            int32_t cameraId, uint32_t halVersion, struct hw_device_t** hw_device);
    int setTorchMode(const char* camera_id, bool on);
public:
    static struct hw_module_methods_t mModuleMethods;

private:
    int mNumOfCameras;
    hal_desc *mHalDescriptors;
    const camera_module_callbacks_t *mCallbacks;
};

}; /*namespace qcamera*/

extern camera_module_t HAL_MODULE_INFO_SYM;

#endif /* __QCAMERA2FACTORY_H__ */