| /* |
| * 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. |
| */ |
| |
| package android.support.v4.view; |
| |
| /** |
| * Helper class for accessing values in {@link android.view.InputDevice}. |
| */ |
| public class InputDeviceCompat { |
| |
| /** |
| * 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 no class. |
| * |
| * It is up to the application to determine how to handle the device based on the device type. |
| */ |
| public static final int SOURCE_CLASS_NONE = 0x00000000; |
| |
| /** |
| * The input source has buttons or keys. |
| * Examples: {@link #SOURCE_KEYBOARD}, {@link #SOURCE_DPAD}. |
| * |
| * A {@link android.view.KeyEvent} should be interpreted as a button or key press. |
| */ |
| 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 android.view.MotionEvent} should be interpreted as absolute coordinates in |
| * display units according to the {@link android.view.View} hierarchy. Pointer down/up |
| * indicated when |
| * the finger touches the display or when the selection button is pressed/released. |
| * |
| * Use {@link android.view.InputDevice#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 android.view.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 android.view.InputDevice#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 android.view.MotionEvent} should be interpreted as absolute coordinates in |
| * device-specific surface units. |
| * |
| * Use {@link android.view.InputDevice#getMotionRange} to query the range of positions. |
| */ |
| public static final int SOURCE_CLASS_POSITION = 0x00000008; |
| |
| /** |
| * The input source is a joystick. |
| * |
| * A {@link android.view.MotionEvent} should be interpreted as absolute joystick movements. |
| * |
| * Use {@link android.view.InputDevice#getMotionRange} to query the range of positions. |
| */ |
| 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. |
| * |
| * This source indicates pretty much anything that has buttons. Use |
| * {@link android.view.InputDevice#getKeyboardType()} to determine whether the keyboard has |
| * alphabetic keys |
| * and can be used to enter text. |
| * |
| * @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 game pad. |
| * (It may also be a {@link #SOURCE_JOYSTICK}). |
| * |
| * @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 stylus pointing device. |
| * <p> |
| * Note that this bit merely indicates that an input device is capable of obtaining |
| * input from a stylus. To determine whether a given touch event was produced |
| * by a stylus, examine the tool type returned by {@link android.view.MotionEvent#getToolType(int)} |
| * for each individual pointer. |
| * </p><p> |
| * A single touch event may multiple pointers with different tool types, |
| * such as an event that has one pointer with tool type |
| * {@link android.view.MotionEvent#TOOL_TYPE_FINGER} and another pointer with tool type |
| * {@link android.view.MotionEvent#TOOL_TYPE_STYLUS}. So it is important to examine |
| * the tool type of each pointer, regardless of the source reported |
| * by {@link android.view.MotionEvent#getSource()}. |
| * </p> |
| * |
| * @see #SOURCE_CLASS_POINTER |
| */ |
| public static final int SOURCE_STYLUS = 0x00004000 | 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 touch device whose motions should be interpreted as navigation events. |
| * |
| * For example, an upward swipe should be as an upward focus traversal in the same manner as |
| * pressing up on a D-Pad would be. Swipes to the left, right and down should be treated in a |
| * similar manner. |
| * |
| * @see #SOURCE_CLASS_NONE |
| */ |
| public static final int SOURCE_TOUCH_NAVIGATION = 0x00200000 | SOURCE_CLASS_NONE; |
| |
| /** |
| * The input source is a joystick. |
| * (It may also be a {@link #SOURCE_GAMEPAD}). |
| * |
| * @see #SOURCE_CLASS_JOYSTICK |
| */ |
| public static final int SOURCE_JOYSTICK = 0x01000000 | SOURCE_CLASS_JOYSTICK; |
| |
| /** |
| * The input source is a device connected through HDMI-based bus. |
| * |
| * The key comes in through HDMI-CEC or MHL signal line, and is treated as if it were |
| * generated by a locally connected DPAD or keyboard. |
| */ |
| public static final int SOURCE_HDMI = 0x02000000 | SOURCE_CLASS_BUTTON; |
| |
| /** |
| * A special input source constant that is used when filtering input devices |
| * to match devices that provide any type of input source. |
| */ |
| public static final int SOURCE_ANY = 0xffffff00; |
| } |