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
|
/*
* Copyright 2022 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.
*/
#pragma once
#include <array>
#include <list>
#include <memory>
#include <PointerControllerInterface.h>
#include <android/input.h>
#include <utils/Timers.h>
#include "EventHub.h"
#include "InputDevice.h"
#include "InputReaderContext.h"
#include "NotifyArgs.h"
#include "ui/Rotation.h"
#include "include/gestures.h"
namespace android {
// Converts Gesture structs from the gestures library into NotifyArgs and the appropriate
// PointerController calls.
class GestureConverter {
public:
GestureConverter(InputReaderContext& readerContext, const InputDeviceContext& deviceContext,
int32_t deviceId);
std::string dump() const;
void setOrientation(ui::Rotation orientation) { mOrientation = orientation; }
[[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when);
void setDisplayId(std::optional<int32_t> displayId) { mDisplayId = displayId; }
void setBoundsInLogicalDisplay(FloatRect bounds) { mBoundsInLogicalDisplay = bounds; }
void populateMotionRanges(InputDeviceInfo& info) const;
[[nodiscard]] std::list<NotifyArgs> handleGesture(nsecs_t when, nsecs_t readTime,
const Gesture& gesture);
private:
[[nodiscard]] NotifyMotionArgs handleMove(nsecs_t when, nsecs_t readTime,
const Gesture& gesture);
[[nodiscard]] std::list<NotifyArgs> handleButtonsChange(nsecs_t when, nsecs_t readTime,
const Gesture& gesture);
[[nodiscard]] std::list<NotifyArgs> releaseAllButtons(nsecs_t when, nsecs_t readTime);
[[nodiscard]] std::list<NotifyArgs> handleScroll(nsecs_t when, nsecs_t readTime,
const Gesture& gesture);
[[nodiscard]] std::list<NotifyArgs> handleFling(nsecs_t when, nsecs_t readTime,
const Gesture& gesture);
[[nodiscard]] NotifyMotionArgs endScroll(nsecs_t when, nsecs_t readTime);
[[nodiscard]] std::list<NotifyArgs> handleMultiFingerSwipe(nsecs_t when, nsecs_t readTime,
uint32_t fingerCount, float dx,
float dy);
[[nodiscard]] std::list<NotifyArgs> handleMultiFingerSwipeLift(nsecs_t when, nsecs_t readTime);
[[nodiscard]] std::list<NotifyArgs> handlePinch(nsecs_t when, nsecs_t readTime,
const Gesture& gesture);
[[nodiscard]] std::list<NotifyArgs> endPinch(nsecs_t when, nsecs_t readTime);
NotifyMotionArgs makeMotionArgs(nsecs_t when, nsecs_t readTime, int32_t action,
int32_t actionButton, int32_t buttonState,
uint32_t pointerCount,
const PointerProperties* pointerProperties,
const PointerCoords* pointerCoords, float xCursorPosition,
float yCursorPosition);
void enableTapToClick();
const int32_t mDeviceId;
InputReaderContext& mReaderContext;
std::shared_ptr<PointerControllerInterface> mPointerController;
const bool mEnablePointerChoreographer;
std::optional<int32_t> mDisplayId;
FloatRect mBoundsInLogicalDisplay{};
ui::Rotation mOrientation = ui::ROTATION_0;
RawAbsoluteAxisInfo mXAxisInfo;
RawAbsoluteAxisInfo mYAxisInfo;
// The current button state according to the gestures library, but converted into MotionEvent
// button values (AMOTION_EVENT_BUTTON_...).
uint32_t mButtonState = 0;
nsecs_t mDownTime = 0;
MotionClassification mCurrentClassification = MotionClassification::NONE;
// Only used when mCurrentClassification is MULTI_FINGER_SWIPE.
uint32_t mSwipeFingerCount = 0;
static constexpr float INITIAL_PINCH_SEPARATION_PX = 200.0;
// Only used when mCurrentClassification is PINCH.
float mPinchFingerSeparation;
static constexpr size_t MAX_FAKE_FINGERS = 4;
// We never need any PointerProperties other than the finger tool type, so we can just keep a
// const array of them.
const std::array<PointerProperties, MAX_FAKE_FINGERS> mFingerProps = {{
{.id = 0, .toolType = ToolType::FINGER},
{.id = 1, .toolType = ToolType::FINGER},
{.id = 2, .toolType = ToolType::FINGER},
{.id = 3, .toolType = ToolType::FINGER},
}};
std::array<PointerCoords, MAX_FAKE_FINGERS> mFakeFingerCoords = {};
// TODO(b/260226362): consider what the appropriate source for these events is.
static constexpr uint32_t SOURCE = AINPUT_SOURCE_MOUSE;
};
} // namespace android
|
