Implement KeyboardClassifier interface in rust
DD: go/project-imposter-android
This CL includes:
- Rust interface setup
Next CL to include:
- Basic categorization into alphabetic and non-alphabetic
- Updating categorization based on key presses
Test: atest --host libinput_rust_test
Test: atest inputflinger_tests
Bug: 263559234
Flag: com.android.input.flags.enable_keyboard_classifier_rust_impl
Change-Id: I52773be992ddd8efaa9546e0af8b0a78515d931c
diff --git a/libs/input/android/os/IInputConstants.aidl b/libs/input/android/os/IInputConstants.aidl
index 90ed2b7..e8746d0 100644
--- a/libs/input/android/os/IInputConstants.aidl
+++ b/libs/input/android/os/IInputConstants.aidl
@@ -234,4 +234,157 @@
* time to adjust to changes in direction.
*/
const int VELOCITY_TRACKER_STRATEGY_LEGACY = 9;
+
+
+ /*
+ * Input device class: Keyboard
+ * The input device is a keyboard or has buttons.
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_KEYBOARD = 0x00000001;
+
+ /*
+ * Input device class: Alphakey
+ * The input device is an alpha-numeric keyboard (not just a dial pad).
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_ALPHAKEY = 0x00000002;
+
+ /*
+ * Input device class: Touch
+ * The input device is a touchscreen or a touchpad (either single-touch or multi-touch).
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_TOUCH = 0x00000004;
+
+ /*
+ * Input device class: Cursor
+ * The input device is a cursor device such as a trackball or mouse.
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_CURSOR = 0x00000008;
+
+ /*
+ * Input device class: Multi-touch
+ * The input device is a multi-touch touchscreen or touchpad.
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_TOUCH_MT = 0x00000010;
+
+ /*
+ * Input device class: Dpad
+ * The input device is a directional pad (implies keyboard, has DPAD keys).
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_DPAD = 0x00000020;
+
+ /*
+ * Input device class: Gamepad
+ * The input device is a gamepad (implies keyboard, has BUTTON keys).
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_GAMEPAD = 0x00000040;
+
+ /*
+ * Input device class: Switch
+ * The input device has switches.
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_SWITCH = 0x00000080;
+
+ /*
+ * Input device class: Joystick
+ * The input device is a joystick (implies gamepad, has joystick absolute axes).
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_JOYSTICK = 0x00000100;
+
+ /*
+ * Input device class: Vibrator
+ * The input device has a vibrator (supports FF_RUMBLE).
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_VIBRATOR = 0x00000200;
+
+ /*
+ * Input device class: Mic
+ * The input device has a microphone.
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_MIC = 0x00000400;
+
+ /*
+ * Input device class: External Stylus
+ * The input device is an external stylus (has data we want to fuse with touch data).
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_EXTERNAL_STYLUS = 0x00000800;
+
+ /*
+ * Input device class: Rotary Encoder
+ * The input device has a rotary encoder.
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_ROTARY_ENCODER = 0x00001000;
+
+ /*
+ * Input device class: Sensor
+ * The input device has a sensor like accelerometer, gyro, etc.
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_SENSOR = 0x00002000;
+
+ /*
+ * Input device class: Battery
+ * The input device has a battery.
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_BATTERY = 0x00004000;
+
+ /*
+ * Input device class: Light
+ * The input device has sysfs controllable lights.
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_LIGHT = 0x00008000;
+
+ /*
+ * Input device class: Touchpad
+ * The input device is a touchpad, requiring an on-screen cursor.
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_TOUCHPAD = 0x00010000;
+
+ /*
+ * Input device class: Virtual
+ * The input device is virtual (not a real device, not part of UI configuration).
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_VIRTUAL = 0x20000000;
+
+ /*
+ * Input device class: External
+ * The input device is external (not built-in).
+ *
+ * @hide
+ */
+ const int DEVICE_CLASS_EXTERNAL = 0x40000000;
}