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/*
* Copyright (C) 2010 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.
*/
package android.view;
/**
* Describes the capabilities of a particular input device.
* <p>
* Each input device may support multiple classes of input. For example, a multifunction
* keyboard may compose the capabilities of a standard keyboard together with a track pad mouse
* or other pointing device.
* </p><p>
* Some input devices present multiple distinguishable sources of input. For example, a
* game pad may have two analog joysticks, a directional pad and a full complement of buttons.
* Applications can query the framework about the characteristics of each distinct source.
* </p><p>
* As a further wrinkle, different kinds of input sources uses different coordinate systems
* to describe motion events. Refer to the comments on the input source constants for
* the appropriate interpretation.
*/
public final class InputDevice {
private int mId;
private String mName;
private int mSources;
/**
* A mask for input source classes.
*
* Each distinct input source constant has one or more input source class bits set to
* specify the desired interpretation for its input events.
*/
public static final int SOURCE_CLASS_MASK = 0x000000ff;
/**
* The input source has buttons or keys.
* Examples: {@link #SOURCE_KEYBOARD}, {@link #SOURCE_GAMEPAD}, {@link #SOURCE_DPAD}.
*
* A {@link KeyEvent} should be interpreted as a button or key press.
*
* Use {@link #hasKeyCode} to query whether the device supports a particular button or key.
*/
public static final int SOURCE_CLASS_BUTTON = 0x00000001;
/**
* The input source is a pointing device associated with a display.
* Examples: {@link #SOURCE_TOUCHSCREEN}, {@link #SOURCE_MOUSE}.
*
* A {@link MotionEvent} should be interpreted as absolute coordinates in
* display units according to the {@link View} hierarchy. Pointer down/up indicated when
* the finger touches the display or when the selection button is pressed/released.
*
* Use {@link #getMotionRange} to query the range of the pointing device. Some devices permit
* touches outside the display area so the effective range may be somewhat smaller or larger
* than the actual display size.
*/
public static final int SOURCE_CLASS_POINTER = 0x00000002;
/**
* The input source is a trackball navigation device.
* Examples: {@link #SOURCE_TRACKBALL}.
*
* A {@link MotionEvent} should be interpreted as relative movements in device-specific
* units used for navigation purposes. Pointer down/up indicates when the selection button
* is pressed/released.
*
* Use {@link #getMotionRange} to query the range of motion.
*/
public static final int SOURCE_CLASS_TRACKBALL = 0x00000004;
/**
* The input source is an absolute positioning device not associated with a display
* (unlike {@link #SOURCE_CLASS_POINTER}).
*
* A {@link MotionEvent} should be interpreted as absolute coordinates in
* device-specific surface units.
*
* Use {@link #getMotionRange} to query the range of positions.
*/
public static final int SOURCE_CLASS_POSITION = 0x00000008;
/**
* The input source is a joystick.
*
* A {@link KeyEvent} should be interpreted as a joystick button press.
*
* A {@link MotionEvent} should be interpreted in absolute coordinates as a joystick
* position in normalized device-specific units nominally between -1.0 and 1.0.
*
* Use {@link #getMotionRange} to query the range and precision of motion.
*/
public static final int SOURCE_CLASS_JOYSTICK = 0x00000010;
/**
* The input source is unknown.
*/
public static final int SOURCE_UNKNOWN = 0x00000000;
/**
* The input source is a keyboard.
*
* @see #SOURCE_CLASS_BUTTON
*/
public static final int SOURCE_KEYBOARD = 0x00000100 | SOURCE_CLASS_BUTTON;
/**
* The input source is a DPad.
*
* @see #SOURCE_CLASS_BUTTON
*/
public static final int SOURCE_DPAD = 0x00000200 | SOURCE_CLASS_BUTTON;
/**
* The input source is a gamepad.
*
* @see #SOURCE_CLASS_BUTTON
*/
public static final int SOURCE_GAMEPAD = 0x00000400 | SOURCE_CLASS_BUTTON;
/**
* The input source is a touch screen pointing device.
*
* @see #SOURCE_CLASS_POINTER
*/
public static final int SOURCE_TOUCHSCREEN = 0x00001000 | SOURCE_CLASS_POINTER;
/**
* The input source is a mouse pointing device.
* This code is also used for other mouse-like pointing devices such as trackpads
* and trackpoints.
*
* @see #SOURCE_CLASS_POINTER
*/
public static final int SOURCE_MOUSE = 0x00002000 | SOURCE_CLASS_POINTER;
/**
* The input source is a trackball.
*
* @see #SOURCE_CLASS_TRACKBALL
*/
public static final int SOURCE_TRACKBALL = 0x00010000 | SOURCE_CLASS_TRACKBALL;
/**
* The input source is a touch pad or digitizer tablet that is not
* associated with a display (unlike {@link SOURCE_TOUCHSCREEN}).
*
* @see #SOURCE_CLASS_POSITION
*/
public static final int SOURCE_TOUCHPAD = 0x00100000 | SOURCE_CLASS_POSITION;
/**
* The input source is a joystick mounted on the left or is a standalone joystick.
*
* @see #SOURCE_CLASS_JOYSTICK
*/
public static final int SOURCE_JOYSTICK_LEFT = 0x01000000 | SOURCE_CLASS_JOYSTICK;
/**
* The input source is a joystick mounted on the right.
*
* @see #SOURCE_CLASS_JOYSTICK
*/
public static final int SOURCE_JOYSTICK_RIGHT = 0x02000000 | SOURCE_CLASS_JOYSTICK;
/*
public static final int MOTION_RANGE_X = 0;
public static final int MOTION_RANGE_Y = 1;
public static final int MOTION_RANGE_PRESSURE = 2;
public static final int MOTION_RANGE_SIZE = 3;
public static final int MOTION_RANGE_TOUCH_MAJOR = 4;
public static final int MOTION_RANGE_TOUCH_MINOR = 5;
public static final int MOTION_RANGE_TOOL_MAJOR = 6;
public static final int MOTION_RANGE_TOOL_MINOR = 7;
public static final int MOTION_RANGE_ORIENTATION = 8;
public static InputDevice getDevice(int id) {
}
*/
/**
* Gets the name of this input device.
* @return The input device name.
*/
public String getName() {
return mName;
}
/**
* Gets the input sources supported by this input device as a combined bitfield.
* @return The supported input sources.
*/
public int getSources() {
return mSources;
}
/**
* Gets the key character map associated with this input device.
* @return The key character map.
*/
public KeyCharacterMap getKeyCharacterMap() {
return KeyCharacterMap.load(mId);
}
/*
public MotionRange getMotionRange(int range) {
}
public boolean hasKeyCode(int keyCode) {
}
public static final class MotionRange {
public float min;
public float max;
public float range;
public float flat;
public float fuzz;
}*/
}
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