348 lines
16 KiB
Java
348 lines
16 KiB
Java
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/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.accessibilityservice;
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import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_DOUBLE_TAP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_DOUBLE_TAP_AND_HOLD;
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import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SINGLE_TAP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_DOWN;
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import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_LEFT;
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import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_RIGHT;
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import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_UP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_TRIPLE_TAP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_TRIPLE_TAP_AND_HOLD;
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import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_DOUBLE_TAP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_DOUBLE_TAP_AND_HOLD;
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import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SINGLE_TAP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SINGLE_TAP_AND_HOLD;
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import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_DOWN;
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import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_LEFT;
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import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_RIGHT;
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import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_UP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_TRIPLE_TAP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_TRIPLE_TAP_AND_HOLD;
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import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_DOUBLE_TAP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_DOUBLE_TAP_AND_HOLD;
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import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SINGLE_TAP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SWIPE_DOWN;
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import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SWIPE_LEFT;
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import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SWIPE_RIGHT;
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import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SWIPE_UP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_TRIPLE_TAP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_DOUBLE_TAP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_DOUBLE_TAP_AND_HOLD;
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import static android.accessibilityservice.AccessibilityService.GESTURE_PASSTHROUGH;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_DOWN;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_DOWN_AND_LEFT;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_DOWN_AND_RIGHT;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_DOWN_AND_UP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_LEFT;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_LEFT_AND_DOWN;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_LEFT_AND_RIGHT;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_LEFT_AND_UP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_RIGHT;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_RIGHT_AND_DOWN;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_RIGHT_AND_LEFT;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_RIGHT_AND_UP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_UP;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_UP_AND_DOWN;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_UP_AND_LEFT;
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import static android.accessibilityservice.AccessibilityService.GESTURE_SWIPE_UP_AND_RIGHT;
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import static android.accessibilityservice.AccessibilityService.GESTURE_TOUCH_EXPLORATION;
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import static android.accessibilityservice.AccessibilityService.GESTURE_UNKNOWN;
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import android.annotation.IntDef;
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import android.annotation.NonNull;
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import android.annotation.TestApi;
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import android.content.pm.ParceledListSlice;
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.view.MotionEvent;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* This class describes the gesture event including gesture id and which display it happens
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* on.
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* <p>
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* <strong>Note:</strong> Accessibility services setting the
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* {@link android.accessibilityservice.AccessibilityServiceInfo#FLAG_REQUEST_TOUCH_EXPLORATION_MODE}
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* flag can receive gestures.
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*
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* @see AccessibilityService#onGesture(AccessibilityGestureEvent)
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*/
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public final class AccessibilityGestureEvent implements Parcelable {
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/** @hide */
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@IntDef(prefix = { "GESTURE_" }, value = {
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GESTURE_UNKNOWN,
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GESTURE_TOUCH_EXPLORATION,
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GESTURE_2_FINGER_SINGLE_TAP,
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GESTURE_2_FINGER_DOUBLE_TAP,
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GESTURE_2_FINGER_DOUBLE_TAP_AND_HOLD,
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GESTURE_2_FINGER_TRIPLE_TAP,
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GESTURE_2_FINGER_TRIPLE_TAP_AND_HOLD,
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GESTURE_3_FINGER_SINGLE_TAP,
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GESTURE_3_FINGER_SINGLE_TAP_AND_HOLD,
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GESTURE_3_FINGER_DOUBLE_TAP,
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GESTURE_3_FINGER_DOUBLE_TAP_AND_HOLD,
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GESTURE_3_FINGER_TRIPLE_TAP,
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GESTURE_3_FINGER_TRIPLE_TAP_AND_HOLD,
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GESTURE_DOUBLE_TAP,
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GESTURE_DOUBLE_TAP_AND_HOLD,
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GESTURE_SWIPE_UP,
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GESTURE_SWIPE_UP_AND_LEFT,
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GESTURE_SWIPE_UP_AND_DOWN,
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GESTURE_SWIPE_UP_AND_RIGHT,
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GESTURE_SWIPE_DOWN,
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GESTURE_SWIPE_DOWN_AND_LEFT,
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GESTURE_SWIPE_DOWN_AND_UP,
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GESTURE_SWIPE_DOWN_AND_RIGHT,
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GESTURE_SWIPE_LEFT,
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GESTURE_SWIPE_LEFT_AND_UP,
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GESTURE_SWIPE_LEFT_AND_RIGHT,
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GESTURE_SWIPE_LEFT_AND_DOWN,
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GESTURE_SWIPE_RIGHT,
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GESTURE_SWIPE_RIGHT_AND_UP,
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GESTURE_SWIPE_RIGHT_AND_LEFT,
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GESTURE_SWIPE_RIGHT_AND_DOWN,
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GESTURE_2_FINGER_SWIPE_DOWN,
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GESTURE_2_FINGER_SWIPE_LEFT,
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GESTURE_2_FINGER_SWIPE_RIGHT,
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GESTURE_2_FINGER_SWIPE_UP,
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GESTURE_3_FINGER_SWIPE_DOWN,
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GESTURE_3_FINGER_SWIPE_LEFT,
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GESTURE_3_FINGER_SWIPE_RIGHT,
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GESTURE_3_FINGER_SWIPE_UP,
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GESTURE_4_FINGER_DOUBLE_TAP,
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GESTURE_4_FINGER_DOUBLE_TAP_AND_HOLD,
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GESTURE_4_FINGER_SINGLE_TAP,
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GESTURE_4_FINGER_SWIPE_DOWN,
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GESTURE_4_FINGER_SWIPE_LEFT,
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GESTURE_4_FINGER_SWIPE_RIGHT,
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GESTURE_4_FINGER_SWIPE_UP,
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GESTURE_4_FINGER_TRIPLE_TAP
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})
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@Retention(RetentionPolicy.SOURCE)
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public @interface GestureId {}
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@GestureId
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private final int mGestureId;
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private final int mDisplayId;
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private List<MotionEvent> mMotionEvents = new ArrayList<>();
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/**
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* Constructs an AccessibilityGestureEvent to be dispatched to an accessibility service.
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*
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* @param gestureId the id number of the gesture.
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* @param displayId the display on which this gesture was performed.
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* @param motionEvents the motion events that lead to this gesture.
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*/
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public AccessibilityGestureEvent(
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int gestureId, int displayId, @NonNull List<MotionEvent> motionEvents) {
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mGestureId = gestureId;
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mDisplayId = displayId;
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mMotionEvents.addAll(motionEvents);
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}
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/** @hide */
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@TestApi
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public AccessibilityGestureEvent(int gestureId, int displayId) {
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this(gestureId, displayId, new ArrayList<MotionEvent>());
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}
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private AccessibilityGestureEvent(@NonNull Parcel parcel) {
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mGestureId = parcel.readInt();
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mDisplayId = parcel.readInt();
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ParceledListSlice<MotionEvent> slice = parcel.readParcelable(getClass().getClassLoader(), android.content.pm.ParceledListSlice.class);
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mMotionEvents = slice.getList();
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}
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/**
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* Returns the display id of the received-gesture display, for use with
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* {@link android.hardware.display.DisplayManager#getDisplay(int)}.
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*
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* @return the display id.
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*/
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public int getDisplayId() {
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return mDisplayId;
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}
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/**
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* Returns performed gesture id.
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*
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* @return the performed gesture id.
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*
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*/
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@GestureId public int getGestureId() {
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return mGestureId;
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}
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/**
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* Returns the motion events that lead to this gesture.
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*
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*/
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@NonNull
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public List<MotionEvent> getMotionEvents() {
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return mMotionEvents;
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}
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/**
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* When we asynchronously use {@link AccessibilityGestureEvent}, we should make a copy,
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* because motionEvent may be recycled before we use async.
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*
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* @hide
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*/
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@NonNull
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public AccessibilityGestureEvent copyForAsync() {
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return new AccessibilityGestureEvent(mGestureId, mDisplayId,
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mMotionEvents.stream().map(MotionEvent::copy).toList());
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}
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/**
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* After we use {@link AccessibilityGestureEvent} asynchronously, we should recycle the
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* MotionEvent, avoid memory leaks.
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*
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* @hide
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*/
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public void recycle() {
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mMotionEvents.forEach(MotionEvent::recycle);
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mMotionEvents.clear();
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}
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@NonNull
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@Override
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public String toString() {
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StringBuilder stringBuilder = new StringBuilder("AccessibilityGestureEvent[");
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stringBuilder.append("gestureId: ").append(gestureIdToString(mGestureId));
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stringBuilder.append(", ");
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stringBuilder.append("displayId: ").append(mDisplayId);
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stringBuilder.append(", ");
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stringBuilder.append("Motion Events: [");
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for (int i = 0; i < mMotionEvents.size(); ++i) {
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String action = MotionEvent.actionToString(mMotionEvents.get(i).getActionMasked());
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stringBuilder.append(action);
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if (i < (mMotionEvents.size() - 1)) {
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stringBuilder.append(", ");
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} else {
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stringBuilder.append("]");
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}
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}
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stringBuilder.append(']');
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return stringBuilder.toString();
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}
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/**
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* Returns a string representation of the specified gesture id.
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*/
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@NonNull
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public static String gestureIdToString(int id) {
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switch (id) {
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case GESTURE_UNKNOWN: return "GESTURE_UNKNOWN";
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case GESTURE_PASSTHROUGH: return "GESTURE_PASSTHROUGH";
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case GESTURE_TOUCH_EXPLORATION: return "GESTURE_TOUCH_EXPLORATION";
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case GESTURE_2_FINGER_SINGLE_TAP: return "GESTURE_2_FINGER_SINGLE_TAP";
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case GESTURE_2_FINGER_TRIPLE_TAP_AND_HOLD:
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return "GESTURE_2_FINGER_TRIPLE_TAP_AND_HOLD";
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case GESTURE_2_FINGER_DOUBLE_TAP: return "GESTURE_2_FINGER_DOUBLE_TAP";
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case GESTURE_2_FINGER_DOUBLE_TAP_AND_HOLD:
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return "GESTURE_2_FINGER_DOUBLE_TAP_AND_HOLD";
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case GESTURE_2_FINGER_TRIPLE_TAP: return "GESTURE_2_FINGER_TRIPLE_TAP";
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case GESTURE_3_FINGER_SINGLE_TAP: return "GESTURE_3_FINGER_SINGLE_TAP";
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case GESTURE_3_FINGER_SINGLE_TAP_AND_HOLD:
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return "GESTURE_3_FINGER_SINGLE_TAP_AND_HOLD";
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case GESTURE_3_FINGER_DOUBLE_TAP: return "GESTURE_3_FINGER_DOUBLE_TAP";
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case GESTURE_3_FINGER_DOUBLE_TAP_AND_HOLD:
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return "GESTURE_3_FINGER_DOUBLE_TAP_AND_HOLD";
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case GESTURE_3_FINGER_TRIPLE_TAP: return "GESTURE_3_FINGER_TRIPLE_TAP";
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case GESTURE_3_FINGER_TRIPLE_TAP_AND_HOLD:
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return "GESTURE_3_FINGER_TRIPLE_TAP_AND_HOLD";
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case GESTURE_4_FINGER_SINGLE_TAP: return "GESTURE_4_FINGER_SINGLE_TAP";
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case GESTURE_4_FINGER_DOUBLE_TAP: return "GESTURE_4_FINGER_DOUBLE_TAP";
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case GESTURE_4_FINGER_DOUBLE_TAP_AND_HOLD:
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return "GESTURE_4_FINGER_DOUBLE_TAP_AND_HOLD";
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case GESTURE_4_FINGER_TRIPLE_TAP: return "GESTURE_4_FINGER_TRIPLE_TAP";
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case GESTURE_DOUBLE_TAP: return "GESTURE_DOUBLE_TAP";
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case GESTURE_DOUBLE_TAP_AND_HOLD: return "GESTURE_DOUBLE_TAP_AND_HOLD";
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case GESTURE_SWIPE_DOWN: return "GESTURE_SWIPE_DOWN";
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case GESTURE_SWIPE_DOWN_AND_LEFT: return "GESTURE_SWIPE_DOWN_AND_LEFT";
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case GESTURE_SWIPE_DOWN_AND_UP: return "GESTURE_SWIPE_DOWN_AND_UP";
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case GESTURE_SWIPE_DOWN_AND_RIGHT: return "GESTURE_SWIPE_DOWN_AND_RIGHT";
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case GESTURE_SWIPE_LEFT: return "GESTURE_SWIPE_LEFT";
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case GESTURE_SWIPE_LEFT_AND_UP: return "GESTURE_SWIPE_LEFT_AND_UP";
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case GESTURE_SWIPE_LEFT_AND_RIGHT: return "GESTURE_SWIPE_LEFT_AND_RIGHT";
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case GESTURE_SWIPE_LEFT_AND_DOWN: return "GESTURE_SWIPE_LEFT_AND_DOWN";
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case GESTURE_SWIPE_RIGHT: return "GESTURE_SWIPE_RIGHT";
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case GESTURE_SWIPE_RIGHT_AND_UP: return "GESTURE_SWIPE_RIGHT_AND_UP";
|
||
|
|
case GESTURE_SWIPE_RIGHT_AND_LEFT: return "GESTURE_SWIPE_RIGHT_AND_LEFT";
|
||
|
|
case GESTURE_SWIPE_RIGHT_AND_DOWN: return "GESTURE_SWIPE_RIGHT_AND_DOWN";
|
||
|
|
case GESTURE_SWIPE_UP: return "GESTURE_SWIPE_UP";
|
||
|
|
case GESTURE_SWIPE_UP_AND_LEFT: return "GESTURE_SWIPE_UP_AND_LEFT";
|
||
|
|
case GESTURE_SWIPE_UP_AND_DOWN: return "GESTURE_SWIPE_UP_AND_DOWN";
|
||
|
|
case GESTURE_SWIPE_UP_AND_RIGHT: return "GESTURE_SWIPE_UP_AND_RIGHT";
|
||
|
|
case GESTURE_2_FINGER_SWIPE_DOWN: return "GESTURE_2_FINGER_SWIPE_DOWN";
|
||
|
|
case GESTURE_2_FINGER_SWIPE_LEFT: return "GESTURE_2_FINGER_SWIPE_LEFT";
|
||
|
|
case GESTURE_2_FINGER_SWIPE_RIGHT: return "GESTURE_2_FINGER_SWIPE_RIGHT";
|
||
|
|
case GESTURE_2_FINGER_SWIPE_UP: return "GESTURE_2_FINGER_SWIPE_UP";
|
||
|
|
case GESTURE_3_FINGER_SWIPE_DOWN: return "GESTURE_3_FINGER_SWIPE_DOWN";
|
||
|
|
case GESTURE_3_FINGER_SWIPE_LEFT: return "GESTURE_3_FINGER_SWIPE_LEFT";
|
||
|
|
case GESTURE_3_FINGER_SWIPE_RIGHT: return "GESTURE_3_FINGER_SWIPE_RIGHT";
|
||
|
|
case GESTURE_3_FINGER_SWIPE_UP: return "GESTURE_3_FINGER_SWIPE_UP";
|
||
|
|
case GESTURE_4_FINGER_SWIPE_DOWN: return "GESTURE_4_FINGER_SWIPE_DOWN";
|
||
|
|
case GESTURE_4_FINGER_SWIPE_LEFT: return "GESTURE_4_FINGER_SWIPE_LEFT";
|
||
|
|
case GESTURE_4_FINGER_SWIPE_RIGHT: return "GESTURE_4_FINGER_SWIPE_RIGHT";
|
||
|
|
case GESTURE_4_FINGER_SWIPE_UP: return "GESTURE_4_FINGER_SWIPE_UP";
|
||
|
|
default: return Integer.toHexString(id);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* {@inheritDoc}
|
||
|
|
*/
|
||
|
|
@Override
|
||
|
|
public int describeContents() {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void writeToParcel(@NonNull Parcel parcel, int flags) {
|
||
|
|
parcel.writeInt(mGestureId);
|
||
|
|
parcel.writeInt(mDisplayId);
|
||
|
|
parcel.writeParcelable(new ParceledListSlice<MotionEvent>(mMotionEvents), 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @see Parcelable.Creator
|
||
|
|
*/
|
||
|
|
public static final @NonNull Parcelable.Creator<AccessibilityGestureEvent> CREATOR =
|
||
|
|
new Parcelable.Creator<AccessibilityGestureEvent>() {
|
||
|
|
public AccessibilityGestureEvent createFromParcel(Parcel parcel) {
|
||
|
|
return new AccessibilityGestureEvent(parcel);
|
||
|
|
}
|
||
|
|
|
||
|
|
public AccessibilityGestureEvent[] newArray(int size) {
|
||
|
|
return new AccessibilityGestureEvent[size];
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|