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/*
* Copyright 2015.
*
* 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.
*/
package com.android.uiautomator.stub;
import java.io.Serializable;
/**
* Transfer object for pointer coordinates.
*
* Objects of this type can be used to specify the pointer coordinates when
* creating new MotionEvent objects and to query pointer coordinates
* in bulk.
*
* Refer to InputDevice for information about how different kinds of
* input devices and sources represent pointer coordinates.
*
* @author linsong wang
*/
public class PointerCoords implements Serializable {
/**
* Axis constant: X axis of a motion event.
*
*
For a touch screen, reports the absolute X screen position of the center of
* the touch contact area. The units are display pixels.
*
For a touch pad, reports the absolute X surface position of the center of the touch
* contact area. The units are device-dependent; use InputDevice#getMotionRange(int)
* to query the effective range of values.
*
For a mouse, reports the absolute X screen position of the mouse pointer.
* The units are display pixels.
*
For a trackball, reports the relative horizontal displacement of the trackball.
* The value is normalized to a range from -1.0 (left) to 1.0 (right).
*
For a joystick, reports the absolute X position of the joystick.
* The value is normalized to a range from -1.0 (left) to 1.0 (right).
*
*/
public static final int AXIS_X = 0;
/**
* Axis constant: Y axis of a motion event.
*
*
For a touch screen, reports the absolute Y screen position of the center of
* the touch contact area. The units are display pixels.
*
For a touch pad, reports the absolute Y surface position of the center of the touch
* contact area. The units are device-dependent; use InputDevice#getMotionRange(int)
* to query the effective range of values.
*
For a mouse, reports the absolute Y screen position of the mouse pointer.
* The units are display pixels.
*
For a trackball, reports the relative vertical displacement of the trackball.
* The value is normalized to a range from -1.0 (up) to 1.0 (down).
*
For a joystick, reports the absolute Y position of the joystick.
* The value is normalized to a range from -1.0 (up or far) to 1.0 (down or near).
*
*/
public static final int AXIS_Y = 1;
/**
* Axis constant: Pressure axis of a motion event.
*
*
For a touch screen or touch pad, reports the approximate pressure applied to the surface
* by a finger or other tool. The value is normalized to a range from
* 0 (no pressure at all) to 1 (normal pressure), although values higher than 1
* may be generated depending on the calibration of the input device.
*
For a trackball, the value is set to 1 if the trackball button is pressed
* or 0 otherwise.
*
For a mouse, the value is set to 1 if the primary mouse button is pressed
* or 0 otherwise.
*
*/
public static final int AXIS_PRESSURE = 2;
/**
* Axis constant: Size axis of a motion event.
*
*
For a touch screen or touch pad, reports the approximate size of the contact area in
* relation to the maximum detectable size for the device. The value is normalized
* to a range from 0 (smallest detectable size) to 1 (largest detectable size),
* although it is not a linear scale. This value is of limited use.
* To obtain calibrated size information, use
* {@link #AXIS_TOUCH_MAJOR} or {@link #AXIS_TOOL_MAJOR}.
*
*/
public static final int AXIS_SIZE = 3;
/**
* Axis constant: TouchMajor axis of a motion event.
*
*
For a touch screen, reports the length of the major axis of an ellipse that
* represents the touch area at the point of contact.
* The units are display pixels.
*
For a touch pad, reports the length of the major axis of an ellipse that
* represents the touch area at the point of contact.
* The units are device-dependent; use InputDevice#getMotionRange(int)
* to query the effective range of values.
*
*/
public static final int AXIS_TOUCH_MAJOR = 4;
/**
* Axis constant: TouchMinor axis of a motion event.
*
*
For a touch screen, reports the length of the minor axis of an ellipse that
* represents the touch area at the point of contact.
* The units are display pixels.
*
For a touch pad, reports the length of the minor axis of an ellipse that
* represents the touch area at the point of contact.
* The units are device-dependent; use InputDevice#getMotionRange(int)
* to query the effective range of values.
*
* When the touch is circular, the major and minor axis lengths will be equal to one another.
*/
public static final int AXIS_TOUCH_MINOR = 5;
/**
* Axis constant: ToolMajor axis of a motion event.
*
*
For a touch screen, reports the length of the major axis of an ellipse that
* represents the size of the approaching finger or tool used to make contact.
*
For a touch pad, reports the length of the major axis of an ellipse that
* represents the size of the approaching finger or tool used to make contact.
* The units are device-dependent; use InputDevice#getMotionRange(int)
* to query the effective range of values.
*
* When the touch is circular, the major and minor axis lengths will be equal to one another.
* The tool size may be larger than the touch size since the tool may not be fully
* in contact with the touch sensor.
*/
public static final int AXIS_TOOL_MAJOR = 6;
/**
* Axis constant: ToolMinor axis of a motion event.
*
*
For a touch screen, reports the length of the minor axis of an ellipse that
* represents the size of the approaching finger or tool used to make contact.
*
For a touch pad, reports the length of the minor axis of an ellipse that
* represents the size of the approaching finger or tool used to make contact.
* The units are device-dependent; use InputDevice#getMotionRange(int)
* to query the effective range of values.
*
* When the touch is circular, the major and minor axis lengths will be equal to one another.
* The tool size may be larger than the touch size since the tool may not be fully
* in contact with the touch sensor.
*/
public static final int AXIS_TOOL_MINOR = 7;
/**
* Axis constant: Orientation axis of a motion event.
*
*
For a touch screen or touch pad, reports the orientation of the finger
* or tool in radians relative to the vertical plane of the device.
* An angle of 0 radians indicates that the major axis of contact is oriented
* upwards, is perfectly circular or is of unknown orientation. A positive angle
* indicates that the major axis of contact is oriented to the right. A negative angle
* indicates that the major axis of contact is oriented to the left.
* The full range is from -PI/2 radians (finger pointing fully left) to PI/2 radians
* (finger pointing fully right).
*
For a stylus, the orientation indicates the direction in which the stylus
* is pointing in relation to the vertical axis of the current orientation of the screen.
* The range is from -PI radians to PI radians, where 0 is pointing up,
* -PI/2 radians is pointing left, -PI or PI radians is pointing down, and PI/2 radians
* is pointing right.
*
*/
public static final int AXIS_ORIENTATION = 8;
/**
* Axis constant: Vertical Scroll axis of a motion event.
*
*
For a mouse, reports the relative movement of the vertical scroll wheel.
* The value is normalized to a range from -1.0 (down) to 1.0 (up).
*
* This axis should be used to scroll views vertically.
*/
public static final int AXIS_VSCROLL = 9;
/**
* Axis constant: Horizontal Scroll axis of a motion event.
*
*
For a mouse, reports the relative movement of the horizontal scroll wheel.
* The value is normalized to a range from -1.0 (left) to 1.0 (right).
*
* This axis should be used to scroll views horizontally.
*/
public static final int AXIS_HSCROLL = 10;
/**
* Axis constant: Z axis of a motion event.
*
*
For a joystick, reports the absolute Z position of the joystick.
* The value is normalized to a range from -1.0 (high) to 1.0 (low).
* On game pads with two analog joysticks, this axis is often reinterpreted
* to report the absolute X position of the second joystick instead.
*
*/
public static final int AXIS_Z = 11;
/**
* Axis constant: X Rotation axis of a motion event.
*
*
For a joystick, reports the absolute rotation angle about the X axis.
* The value is normalized to a range from -1.0 (counter-clockwise) to 1.0 (clockwise).
*
*/
public static final int AXIS_RX = 12;
/**
* Axis constant: Y Rotation axis of a motion event.
*
*
For a joystick, reports the absolute rotation angle about the Y axis.
* The value is normalized to a range from -1.0 (counter-clockwise) to 1.0 (clockwise).
*
*/
public static final int AXIS_RY = 13;
/**
* Axis constant: Z Rotation axis of a motion event.
*
*
For a joystick, reports the absolute rotation angle about the Z axis.
* The value is normalized to a range from -1.0 (counter-clockwise) to 1.0 (clockwise).
* On game pads with two analog joysticks, this axis is often reinterpreted
* to report the absolute Y position of the second joystick instead.
*
*/
public static final int AXIS_RZ = 14;
/**
* Axis constant: Hat X axis of a motion event.
*
*
For a joystick, reports the absolute X position of the directional hat control.
* The value is normalized to a range from -1.0 (left) to 1.0 (right).
*
*/
public static final int AXIS_HAT_X = 15;
/**
* Axis constant: Hat Y axis of a motion event.
*
*
For a joystick, reports the absolute Y position of the directional hat control.
* The value is normalized to a range from -1.0 (up) to 1.0 (down).
*
*/
public static final int AXIS_HAT_Y = 16;
/**
* Axis constant: Left Trigger axis of a motion event.
*
*
For a joystick, reports the absolute position of the left trigger control.
* The value is normalized to a range from 0.0 (released) to 1.0 (fully pressed).
*
*/
public static final int AXIS_LTRIGGER = 17;
/**
* Axis constant: Right Trigger axis of a motion event.
*
*
For a joystick, reports the absolute position of the right trigger control.
* The value is normalized to a range from 0.0 (released) to 1.0 (fully pressed).
*
*/
public static final int AXIS_RTRIGGER = 18;
/**
* Axis constant: Throttle axis of a motion event.
*
*
For a joystick, reports the absolute position of the throttle control.
* The value is normalized to a range from 0.0 (fully open) to 1.0 (fully closed).
*
*/
public static final int AXIS_THROTTLE = 19;
private static final int INITIAL_PACKED_AXIS_VALUES = 8;
private long mPackedAxisBits;
private float[] mPackedAxisValues;
/**
* Creates a pointer coords object with all axes initialized to zero.
*/
public PointerCoords() {
}
/**
* Creates a pointer coords object as a copy of the
* contents of another pointer coords object.
*
* @param other The pointer coords object to copy.
*/
public PointerCoords(PointerCoords other) {
copyFrom(other);
}
public static PointerCoords[] createArray(int size) {
PointerCoords[] array = new PointerCoords[size];
for (int i = 0; i < size; i++) {
array[i] = new PointerCoords();
}
return array;
}
/**
* The X component of the pointer movement.
*/
public float x;
/**
* The Y component of the pointer movement
*/
public float y;
/**
* A normalized value that describes the pressure applied to the device
* by a finger or other tool.
* The pressure generally ranges from 0 (no pressure at all) to 1 (normal pressure),
* although values higher than 1 may be generated depending on the calibration of
* the input device.
*/
public float pressure;
/**
* A normalized value that describes the approximate size of the pointer touch area
* in relation to the maximum detectable size of the device.
* It represents some approximation of the area of the screen being
* pressed; the actual value in pixels corresponding to the
* touch is normalized with the device specific range of values
* and scaled to a value between 0 and 1. The value of size can be used to
* determine fat touch events.
*/
public float size;
/**
* The length of the major axis of an ellipse that describes the touch area at
* the point of contact.
* If the device is a touch screen, the length is reported in pixels, otherwise it is
* reported in device-specific units.
*/
public float touchMajor;
/**
* The length of the minor axis of an ellipse that describes the touch area at
* the point of contact.
* If the device is a touch screen, the length is reported in pixels, otherwise it is
* reported in device-specific units.
*/
public float touchMinor;
/**
* The length of the major axis of an ellipse that describes the size of
* the approaching tool.
* The tool area represents the estimated size of the finger or pen that is
* touching the device independent of its actual touch area at the point of contact.
* If the device is a touch screen, the length is reported in pixels, otherwise it is
* reported in device-specific units.
*/
public float toolMajor;
/**
* The length of the minor axis of an ellipse that describes the size of
* the approaching tool.
* The tool area represents the estimated size of the finger or pen that is
* touching the device independent of its actual touch area at the point of contact.
* If the device is a touch screen, the length is reported in pixels, otherwise it is
* reported in device-specific units.
*/
public float toolMinor;
/**
* The orientation of the touch area and tool area in radians clockwise from vertical.
* An angle of 0 radians indicates that the major axis of contact is oriented
* upwards, is perfectly circular or is of unknown orientation. A positive angle
* indicates that the major axis of contact is oriented to the right. A negative angle
* indicates that the major axis of contact is oriented to the left.
* The full range is from -PI/2 radians (finger pointing fully left) to PI/2 radians
* (finger pointing fully right).
*
*/
public float orientation;
/**
* Clears the contents of this object.
* Resets all axes to zero.
*/
public void clear() {
mPackedAxisBits = 0;
x = 0;
y = 0;
pressure = 0;
size = 0;
touchMajor = 0;
touchMinor = 0;
toolMajor = 0;
toolMinor = 0;
orientation = 0;
}
/**
* Copies the contents of another pointer coords object.
*
* @param other The pointer coords object to copy.
*/
public void copyFrom(PointerCoords other) {
final long bits = other.mPackedAxisBits;
mPackedAxisBits = bits;
if (bits != 0) {
final float[] otherValues = other.mPackedAxisValues;
final int count = Long.bitCount(bits);
float[] values = mPackedAxisValues;
if (values == null || count > values.length) {
values = new float[otherValues.length];
mPackedAxisValues = values;
}
System.arraycopy(otherValues, 0, values, 0, count);
}
x = other.x;
y = other.y;
pressure = other.pressure;
size = other.size;
touchMajor = other.touchMajor;
touchMinor = other.touchMinor;
toolMajor = other.toolMajor;
toolMinor = other.toolMinor;
orientation = other.orientation;
}
/**
* Gets the value associated with the specified axis.
*
* @param axis The axis identifier for the axis value to retrieve.
*
* @return The value associated with the axis, or 0 if none.
*/
public float getAxisValue(int axis) {
switch (axis) {
case AXIS_X:
return x;
case AXIS_Y:
return y;
case AXIS_PRESSURE:
return pressure;
case AXIS_SIZE:
return size;
case AXIS_TOUCH_MAJOR:
return touchMajor;
case AXIS_TOUCH_MINOR:
return touchMinor;
case AXIS_TOOL_MAJOR:
return toolMajor;
case AXIS_TOOL_MINOR:
return toolMinor;
case AXIS_ORIENTATION:
return orientation;
default: {
if (axis < 0 || axis > 63) {
throw new IllegalArgumentException("Axis out of range.");
}
final long bits = mPackedAxisBits;
final long axisBit = 1L << axis;
if ((bits & axisBit) == 0) {
return 0;
}
final int index = Long.bitCount(bits & (axisBit - 1L));
return mPackedAxisValues[index];
}
}
}
/**
* Sets the value associated with the specified axis.
*
* @param axis The axis identifier for the axis value to assign.
* @param value The value to set.
*/
public void setAxisValue(int axis, float value) {
switch (axis) {
case AXIS_X:
x = value;
break;
case AXIS_Y:
y = value;
break;
case AXIS_PRESSURE:
pressure = value;
break;
case AXIS_SIZE:
size = value;
break;
case AXIS_TOUCH_MAJOR:
touchMajor = value;
break;
case AXIS_TOUCH_MINOR:
touchMinor = value;
break;
case AXIS_TOOL_MAJOR:
toolMajor = value;
break;
case AXIS_TOOL_MINOR:
toolMinor = value;
break;
case AXIS_ORIENTATION:
orientation = value;
break;
default: {
if (axis < 0 || axis > 63) {
throw new IllegalArgumentException("Axis out of range.");
}
final long bits = mPackedAxisBits;
final long axisBit = 1L << axis;
final int index = Long.bitCount(bits & (axisBit - 1L));
float[] values = mPackedAxisValues;
if ((bits & axisBit) == 0) {
if (values == null) {
values = new float[INITIAL_PACKED_AXIS_VALUES];
mPackedAxisValues = values;
} else {
final int count = Long.bitCount(bits);
if (count < values.length) {
if (index != count) {
System.arraycopy(values, index, values, index + 1,
count - index);
}
} else {
float[] newValues = new float[count * 2];
System.arraycopy(values, 0, newValues, 0, index);
System.arraycopy(values, index, newValues, index + 1,
count - index);
values = newValues;
mPackedAxisValues = values;
}
}
mPackedAxisBits = bits | axisBit;
}
values[index] = value;
}
}
}
}
