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/*
* Copyright (C) 2015 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_INPUT_DRIVER_H
#define ANDROID_INPUT_DRIVER_H
#include <stdint.h>
#include <sys/types.h>
#include "InputHost.h"
#include <hardware/input.h>
#include <utils/RefBase.h>
#include <utils/String8.h>
namespace android {
class InputHostInterface;
class InputDriverInterface : public virtual RefBase {
protected:
InputDriverInterface() = default;
virtual ~InputDriverInterface() = default;
public:
virtual void init(InputHostInterface* host) = 0;
virtual void dump(String8& result) = 0;
};
class InputDriver : public InputDriverInterface {
public:
InputDriver(const char* name);
virtual ~InputDriver() = default;
virtual void init(InputHostInterface* host) override;
virtual void dump(String8& result) override;
private:
String8 mName;
const input_module_t* mHal;
};
extern "C" {
input_device_identifier_t* create_device_identifier(input_host_t* host,
const char* name, int32_t product_id, int32_t vendor_id,
input_bus_t bus, const char* unique_id);
input_device_definition_t* create_device_definition(input_host_t* host);
input_report_definition_t* create_input_report_definition(input_host_t* host);
input_report_definition_t* create_output_report_definition(input_host_t* host);
void input_device_definition_add_report(input_host_t* host,
input_device_definition_t* d, input_report_definition_t* r);
void input_report_definition_add_collection(input_host_t* host,
input_report_definition_t* report, input_collection_id_t id, int32_t arity);
void input_report_definition_declare_usage_int(input_host_t* host,
input_report_definition_t* report, input_collection_id_t id,
input_usage_t usage, int32_t min, int32_t max, float resolution);
void input_report_definition_declare_usages_bool(input_host_t* host,
input_report_definition_t* report, input_collection_id_t id,
input_usage_t* usage, size_t usage_count);
input_device_handle_t* register_device(input_host_t* host,
input_device_identifier_t* id, input_device_definition_t* d);
void unregister_device(input_host_t* host, input_device_handle_t* handle);
input_report_t* input_allocate_report(input_host_t* host, input_report_definition_t* r);
void input_report_set_usage_int(input_host_t* host, input_report_t* r,
input_collection_id_t id, input_usage_t usage, int32_t value, int32_t arity_index);
void input_report_set_usage_bool(input_host_t* host, input_report_t* r,
input_collection_id_t id, input_usage_t usage, bool value, int32_t arity_index);
void report_event(input_host_t* host, input_device_handle_t* d, input_report_t* report);
input_property_map_t* input_get_device_property_map(input_host_t* host,
input_device_identifier_t* id);
input_property_t* input_get_device_property(input_host_t* host, input_property_map_t* map,
const char* key);
const char* input_get_property_key(input_host_t* host, input_property_t* property);
const char* input_get_property_value(input_host_t* host, input_property_t* property);
void input_free_device_property(input_host_t* host, input_property_t* property);
void input_free_device_property_map(input_host_t* host, input_property_map_t* map);
}
} // namespace android
#endif // ANDROID_INPUT_DRIVER_H
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