blob: f65ac3934a74fd3248e449517b1f1b20f492abe3 (
plain)
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
|
/*
* Copyright (C) 2019 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 _UI_INPUTREADER_CURSOR_INPUT_MAPPER_H
#define _UI_INPUTREADER_CURSOR_INPUT_MAPPER_H
#include "CursorButtonAccumulator.h"
#include "CursorScrollAccumulator.h"
#include "InputMapper.h"
#include <PointerControllerInterface.h>
#include <input/VelocityControl.h>
namespace android {
class VelocityControl;
class PointerControllerInterface;
class CursorButtonAccumulator;
class CursorScrollAccumulator;
/* Keeps track of cursor movements. */
class CursorMotionAccumulator {
public:
CursorMotionAccumulator();
void reset(InputDeviceContext& deviceContext);
void process(const RawEvent* rawEvent);
void finishSync();
inline int32_t getRelativeX() const { return mRelX; }
inline int32_t getRelativeY() const { return mRelY; }
private:
int32_t mRelX;
int32_t mRelY;
void clearRelativeAxes();
};
class CursorInputMapper : public InputMapper {
public:
explicit CursorInputMapper(InputDeviceContext& deviceContext);
virtual ~CursorInputMapper();
virtual uint32_t getSources() override;
virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
virtual void dump(std::string& dump) override;
virtual void configure(nsecs_t when, const InputReaderConfiguration* config,
uint32_t changes) override;
virtual void reset(nsecs_t when) override;
virtual void process(const RawEvent* rawEvent) override;
virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode) override;
virtual std::optional<int32_t> getAssociatedDisplayId() override;
private:
// Amount that trackball needs to move in order to generate a key event.
static const int32_t TRACKBALL_MOVEMENT_THRESHOLD = 6;
// Immutable configuration parameters.
struct Parameters {
enum Mode {
MODE_POINTER,
MODE_POINTER_RELATIVE,
MODE_NAVIGATION,
};
Mode mode;
bool hasAssociatedDisplay;
bool orientationAware;
} mParameters;
CursorButtonAccumulator mCursorButtonAccumulator;
CursorMotionAccumulator mCursorMotionAccumulator;
CursorScrollAccumulator mCursorScrollAccumulator;
int32_t mSource;
float mXScale;
float mYScale;
float mXPrecision;
float mYPrecision;
float mVWheelScale;
float mHWheelScale;
// Velocity controls for mouse pointer and wheel movements.
// The controls for X and Y wheel movements are separate to keep them decoupled.
VelocityControl mPointerVelocityControl;
VelocityControl mWheelXVelocityControl;
VelocityControl mWheelYVelocityControl;
int32_t mOrientation;
sp<PointerControllerInterface> mPointerController;
int32_t mButtonState;
nsecs_t mDownTime;
void configureParameters();
void dumpParameters(std::string& dump);
void sync(nsecs_t when);
};
} // namespace android
#endif // _UI_INPUTREADER_CURSOR_INPUT_MAPPER_H
|
