1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/*
* 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>
// Declare a concrete type for the HAL
struct input_host {
};
namespace android {
class InputDriverInterface : public input_host_t, public virtual RefBase {
protected:
InputDriverInterface() = default;
virtual ~InputDriverInterface() = default;
public:
virtual void init() = 0;
virtual input_device_identifier_t* createDeviceIdentifier(
const char* name, int32_t productId, int32_t vendorId,
input_bus_t bus, const char* uniqueId) = 0;
virtual input_device_definition_t* createDeviceDefinition() = 0;
virtual input_report_definition_t* createInputReportDefinition() = 0;
virtual input_report_definition_t* createOutputReportDefinition() = 0;
virtual void freeReportDefinition(input_report_definition_t* reportDef) = 0;
virtual void inputDeviceDefinitionAddReport(input_device_definition_t* d,
input_report_definition_t* r) = 0;
virtual void inputReportDefinitionAddCollection(input_report_definition_t* report,
input_collection_id_t id, int32_t arity) = 0;
virtual void inputReportDefinitionDeclareUsageInt(input_report_definition_t* report,
input_collection_id_t id, input_usage_t usage, int32_t min, int32_t max,
float resolution) = 0;
virtual void inputReportDefinitionDeclareUsagesBool(input_report_definition_t* report,
input_collection_id_t id, input_usage_t* usage, size_t usageCount) = 0;
virtual input_device_handle_t* registerDevice(input_device_identifier_t* id,
input_device_definition_t* d) = 0;
virtual void unregisterDevice(input_device_handle_t* handle) = 0;
virtual input_report_t* inputAllocateReport(input_report_definition_t* r) = 0;
virtual void inputReportSetUsageInt(input_report_t* r, input_collection_id_t id,
input_usage_t usage, int32_t value, int32_t arity_index) = 0;
virtual void inputReportSetUsageBool(input_report_t* r, input_collection_id_t id,
input_usage_t usage, bool value, int32_t arity_index) = 0;
virtual void reportEvent(input_device_handle_t* d, input_report_t* report) = 0;
virtual input_property_map_t* inputGetDevicePropertyMap(input_device_identifier_t* id) = 0;
virtual input_property_t* inputGetDeviceProperty(input_property_map_t* map,
const char* key) = 0;
virtual const char* inputGetPropertyKey(input_property_t* property) = 0;
virtual const char* inputGetPropertyValue(input_property_t* property) = 0;
virtual void inputFreeDeviceProperty(input_property_t* property) = 0;
virtual void inputFreeDevicePropertyMap(input_property_map_t* map) = 0;
virtual void dump(String8& result) = 0;
};
class InputDriver : public InputDriverInterface {
public:
explicit InputDriver(const char* name);
virtual ~InputDriver() = default;
virtual void init() override;
virtual input_device_identifier_t* createDeviceIdentifier(
const char* name, int32_t productId, int32_t vendorId,
input_bus_t bus, const char* uniqueId) override;
virtual input_device_definition_t* createDeviceDefinition() override;
virtual input_report_definition_t* createInputReportDefinition() override;
virtual input_report_definition_t* createOutputReportDefinition() override;
virtual void freeReportDefinition(input_report_definition_t* reportDef) override;
virtual void inputDeviceDefinitionAddReport(input_device_definition_t* d,
input_report_definition_t* r) override;
virtual void inputReportDefinitionAddCollection(input_report_definition_t* report,
input_collection_id_t id, int32_t arity) override;
virtual void inputReportDefinitionDeclareUsageInt(input_report_definition_t* report,
input_collection_id_t id, input_usage_t usage, int32_t min, int32_t max,
float resolution) override;
virtual void inputReportDefinitionDeclareUsagesBool(input_report_definition_t* report,
input_collection_id_t id, input_usage_t* usage, size_t usageCount) override;
virtual input_device_handle_t* registerDevice(input_device_identifier_t* id,
input_device_definition_t* d) override;
virtual void unregisterDevice(input_device_handle_t* handle) override;
virtual input_report_t* inputAllocateReport(input_report_definition_t* r) override;
virtual void inputReportSetUsageInt(input_report_t* r, input_collection_id_t id,
input_usage_t usage, int32_t value, int32_t arity_index) override;
virtual void inputReportSetUsageBool(input_report_t* r, input_collection_id_t id,
input_usage_t usage, bool value, int32_t arity_index) override;
virtual void reportEvent(input_device_handle_t* d, input_report_t* report) override;
virtual input_property_map_t* inputGetDevicePropertyMap(input_device_identifier_t* id) override;
virtual input_property_t* inputGetDeviceProperty(input_property_map_t* map,
const char* key) override;
virtual const char* inputGetPropertyKey(input_property_t* property) override;
virtual const char* inputGetPropertyValue(input_property_t* property) override;
virtual void inputFreeDeviceProperty(input_property_t* property) override;
virtual void inputFreeDevicePropertyMap(input_property_map_t* map) 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 free_report_definition(input_host_t* host, input_report_definition_t* report_def);
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
|
