Add support for customizing touchpad 3-finger tap (b8813113) · Commits · e / os / android_frameworks_base

core/java/android/hardware/input/AidlInputGestureData.aidl

+17 −4

Original line number	Diff line number	Diff line
		@@ -19,13 +19,26 @@ package android.hardware.input;
		/** @hide */
		@JavaDerive(equals=true)
		parcelable AidlInputGestureData {
		int keycode;
		int modifierState;
		int gestureType;
		Trigger trigger;

		// App launch parameters: Only set if gestureType is KEY_GESTURE_TYPE_LAUNCH_APPLICATION
		int gestureType;
		// App launch parameters (Only set if gestureType is LAUNCH_APPLICATION)
		String appLaunchCategory;
		String appLaunchRole;
		String appLaunchPackageName;
		String appLaunchClassName;

		parcelable KeyTrigger {
		int keycode;
		int modifierState;
		}

		parcelable TouchpadGestureTrigger {
		int gestureType;
		}

		union Trigger {
		KeyTrigger key;
		TouchpadGestureTrigger touchpadGesture;
		}
		}

core/java/android/hardware/input/InputGestureData.java

+76 −26

Original line number	Diff line number	Diff line
		@@ -35,20 +35,40 @@ import java.util.Objects;
		*/
		public final class InputGestureData {

		public static final int TOUCHPAD_GESTURE_TYPE_UNKNOWN = 0;
		public static final int TOUCHPAD_GESTURE_TYPE_THREE_FINGER_TAP = 1;

		@NonNull
		private final AidlInputGestureData mInputGestureData;

		public InputGestureData(AidlInputGestureData inputGestureData) {
		public InputGestureData(@NonNull AidlInputGestureData inputGestureData) {
		this.mInputGestureData = inputGestureData;
		validate();
		}

		/** Returns the trigger information for this input gesture */
		public Trigger getTrigger() {
		if (mInputGestureData.keycode != KeyEvent.KEYCODE_UNKNOWN) {
		return new KeyTrigger(mInputGestureData.keycode, mInputGestureData.modifierState);
		switch (mInputGestureData.trigger.getTag()) {
		case AidlInputGestureData.Trigger.Tag.key: {
		AidlInputGestureData.KeyTrigger trigger = mInputGestureData.trigger.getKey();
		if (trigger == null) {
		throw new RuntimeException("InputGestureData is corrupted, null key trigger!");
		}
		return createKeyTrigger(trigger.keycode, trigger.modifierState);
		}
		case AidlInputGestureData.Trigger.Tag.touchpadGesture: {
		AidlInputGestureData.TouchpadGestureTrigger trigger =
		mInputGestureData.trigger.getTouchpadGesture();
		if (trigger == null) {
		throw new RuntimeException(
		"InputGestureData is corrupted, null touchpad trigger!");
		}
		return createTouchpadTrigger(trigger.gestureType);
		}
		default:
		throw new RuntimeException("InputGestureData is corrupted, invalid trigger type!");

		}
		}

		/** Returns the action to perform for this input gesture */
		@@ -127,9 +147,15 @@ public final class InputGestureData {
		"No app launch data for system action launch application");
		}
		AidlInputGestureData data = new AidlInputGestureData();
		data.trigger = new AidlInputGestureData.Trigger();
		if (mTrigger instanceof KeyTrigger keyTrigger) {
		data.keycode = keyTrigger.getKeycode();
		data.modifierState = keyTrigger.getModifierState();
		data.trigger.setKey(new AidlInputGestureData.KeyTrigger());
		data.trigger.getKey().keycode = keyTrigger.getKeycode();
		data.trigger.getKey().modifierState = keyTrigger.getModifierState();
		} else if (mTrigger instanceof TouchpadTrigger touchpadTrigger) {
		data.trigger.setTouchpadGesture(new AidlInputGestureData.TouchpadGestureTrigger());
		data.trigger.getTouchpadGesture().gestureType =
		touchpadTrigger.getTouchpadGestureType();
		} else {
		throw new IllegalArgumentException("Invalid trigger type!");
		}
		@@ -163,30 +189,12 @@ public final class InputGestureData {
		if (this == o) return true;
		if (o == null \|\| getClass() != o.getClass()) return false;
		InputGestureData that = (InputGestureData) o;
		return mInputGestureData.keycode == that.mInputGestureData.keycode
		&& mInputGestureData.modifierState == that.mInputGestureData.modifierState
		&& mInputGestureData.gestureType == that.mInputGestureData.gestureType
		&& Objects.equals(mInputGestureData.appLaunchCategory, that.mInputGestureData.appLaunchCategory)
		&& Objects.equals(mInputGestureData.appLaunchRole, that.mInputGestureData.appLaunchRole)
		&& Objects.equals(mInputGestureData.appLaunchPackageName, that.mInputGestureData.appLaunchPackageName)
		&& Objects.equals(mInputGestureData.appLaunchPackageName, that.mInputGestureData.appLaunchPackageName);
		return Objects.equals(mInputGestureData, that.mInputGestureData);
		}

		@Override
		public int hashCode() {
		int _hash = 1;
		_hash = 31 * _hash + mInputGestureData.keycode;
		_hash = 31 * _hash + mInputGestureData.modifierState;
		_hash = 31 * _hash + mInputGestureData.gestureType;
		_hash = 31 * _hash + (mInputGestureData.appLaunchCategory != null
		? mInputGestureData.appLaunchCategory.hashCode() : 0);
		_hash = 31 * _hash + (mInputGestureData.appLaunchRole != null
		? mInputGestureData.appLaunchRole.hashCode() : 0);
		_hash = 31 * _hash + (mInputGestureData.appLaunchPackageName != null
		? mInputGestureData.appLaunchPackageName.hashCode() : 0);
		_hash = 31 * _hash + (mInputGestureData.appLaunchPackageName != null
		? mInputGestureData.appLaunchPackageName.hashCode() : 0);
		return _hash;
		return mInputGestureData.hashCode();
		}

		public interface Trigger {
		@@ -197,6 +205,11 @@ public final class InputGestureData {
		return new KeyTrigger(keycode, modifierState);
		}

		/** Creates a input gesture trigger based on a touchpad gesture */
		public static Trigger createTouchpadTrigger(int touchpadGestureType) {
		return new TouchpadTrigger(touchpadGestureType);
		}

		/** Key based input gesture trigger */
		public static class KeyTrigger implements Trigger {
		private static final int SHORTCUT_META_MASK =
		@@ -242,6 +255,43 @@ public final class InputGestureData {
		}
		}

		/** Touchpad based input gesture trigger */
		public static class TouchpadTrigger implements Trigger {
		private final int mTouchpadGestureType;

		private TouchpadTrigger(int touchpadGestureType) {
		if (touchpadGestureType != TOUCHPAD_GESTURE_TYPE_THREE_FINGER_TAP) {
		throw new IllegalArgumentException(
		"Invalid touchpadGestureType = " + touchpadGestureType);
		}
		mTouchpadGestureType = touchpadGestureType;
		}

		public int getTouchpadGestureType() {
		return mTouchpadGestureType;
		}

		@Override
		public String toString() {
		return "TouchpadTrigger{" +
		"mTouchpadGestureType=" + mTouchpadGestureType +
		'}';
		}

		@Override
		public boolean equals(Object o) {
		if (this == o) return true;
		if (o == null \|\| getClass() != o.getClass()) return false;
		TouchpadTrigger that = (TouchpadTrigger) o;
		return mTouchpadGestureType == that.mTouchpadGestureType;
		}

		@Override
		public int hashCode() {
		return Objects.hashCode(mTouchpadGestureType);
		}
		}

		/** Data for action to perform when input gesture is triggered */
		public record Action(@KeyGestureEvent.KeyGestureType int keyGestureType,
		@Nullable AppLaunchData appLaunchData) {

services/core/java/com/android/server/input/InputGestureManager.java

+16 −0

Original line number	Diff line number	Diff line
		@@ -361,6 +361,22 @@ final class InputGestureManager {
		}
		}

		@Nullable
		public InputGestureData getCustomGestureForTouchpadGesture(@UserIdInt int userId,
		int touchpadGestureType) {
		if (touchpadGestureType == InputGestureData.TOUCHPAD_GESTURE_TYPE_UNKNOWN) {
		return null;
		}
		synchronized (mGestureLock) {
		Map<InputGestureData.Trigger, InputGestureData> customGestures =
		mCustomInputGestures.get(userId);
		if (customGestures == null) {
		return null;
		}
		return customGestures.get(InputGestureData.createTouchpadTrigger(touchpadGestureType));
		}
		}

		@Nullable
		public InputGestureData getSystemShortcutForKeyEvent(KeyEvent event) {
		final int keyCode = event.getKeyCode();

services/core/java/com/android/server/input/InputManagerService.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -64,6 +64,7 @@ import android.hardware.input.IKeyboardBacklightListener;
		import android.hardware.input.IStickyModifierStateListener;
		import android.hardware.input.ITabletModeChangedListener;
		import android.hardware.input.InputDeviceIdentifier;
		import android.hardware.input.InputGestureData;
		import android.hardware.input.InputManager;
		import android.hardware.input.InputSensorInfo;
		import android.hardware.input.InputSettings;
		@@ -2314,7 +2315,8 @@ public class InputManagerService extends IInputManager.Stub
		// Native callback.
		@SuppressWarnings("unused")
		private void notifyTouchpadThreeFingerTap() {
		mKeyGestureController.handleTouchpadThreeFingerTap();
		mKeyGestureController.handleTouchpadGesture(
		InputGestureData.TOUCHPAD_GESTURE_TYPE_THREE_FINGER_TAP);
		}

		// Native callback.

services/core/java/com/android/server/input/KeyGestureController.java

+19 −4

Original line number	Diff line number	Diff line
		@@ -847,6 +847,13 @@ final class KeyGestureController {
		/* appLaunchData = */null);
		}

		private void handleTouchpadGesture(@KeyGestureEvent.KeyGestureType int keyGestureType,
		@Nullable AppLaunchData appLaunchData) {
		handleKeyGesture(KeyCharacterMap.VIRTUAL_KEYBOARD, new int[0], /* modifierState= */0,
		keyGestureType, KeyGestureEvent.ACTION_GESTURE_COMPLETE,
		Display.DEFAULT_DISPLAY, /* focusedToken = /null, / flags = */0, appLaunchData);
		}

		@VisibleForTesting
		boolean handleKeyGesture(int deviceId, int[] keycodes, int modifierState,
		@KeyGestureEvent.KeyGestureType int gestureType, int action, int displayId,
		@@ -897,11 +904,18 @@ final class KeyGestureController {
		handleKeyGesture(event, null /focusedToken/);
		}

		public void handleTouchpadThreeFingerTap() {
		// TODO(b/365063048): trigger a custom shortcut based on the three-finger tap.
		if (DEBUG) {
		Slog.d(TAG, "Three-finger touchpad tap occurred");
		public void handleTouchpadGesture(int touchpadGestureType) {
		// Handle custom shortcuts
		InputGestureData customGesture;
		synchronized (mUserLock) {
		customGesture = mInputGestureManager.getCustomGestureForTouchpadGesture(mCurrentUserId,
		touchpadGestureType);
		}
		if (customGesture == null) {
		return;
		}
		handleTouchpadGesture(customGesture.getAction().keyGestureType(),
		customGesture.getAction().appLaunchData());
		}

		@MainThread
		@@ -1214,6 +1228,7 @@ final class KeyGestureController {
		public void dump(IndentingPrintWriter ipw) {
		ipw.println("KeyGestureController:");
		ipw.increaseIndent();
		ipw.println("mCurrentUserId = " + mCurrentUserId);
		ipw.println("mSystemPid = " + mSystemPid);
		ipw.println("mPendingMetaAction = " + mPendingMetaAction);
		ipw.println("mPendingCapsLockToggle = " + mPendingCapsLockToggle);