| |
| /* |
| * Copyright (C) 2019 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 com.android.quickstep.inputconsumers; |
| |
| import static android.view.MotionEvent.ACTION_CANCEL; |
| import static android.view.MotionEvent.ACTION_DOWN; |
| import static android.view.MotionEvent.ACTION_MOVE; |
| import static android.view.MotionEvent.ACTION_POINTER_DOWN; |
| import static android.view.MotionEvent.ACTION_POINTER_UP; |
| import static android.view.MotionEvent.ACTION_UP; |
| |
| import static com.android.launcher3.Utilities.squaredHypot; |
| import static com.android.launcher3.userevent.nano.LauncherLogProto.Action.Direction.UPLEFT; |
| import static com.android.launcher3.userevent.nano.LauncherLogProto.Action.Direction.UPRIGHT; |
| import static com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch.FLING; |
| import static com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch.SWIPE; |
| import static com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch.SWIPE_NOOP; |
| import static com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType.NAVBAR; |
| |
| import android.animation.ValueAnimator; |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.graphics.PointF; |
| import android.os.Bundle; |
| import android.os.SystemClock; |
| import android.view.GestureDetector; |
| import android.view.GestureDetector.SimpleOnGestureListener; |
| import android.view.HapticFeedbackConstants; |
| import android.view.MotionEvent; |
| import android.view.ViewConfiguration; |
| |
| import com.android.launcher3.BaseDraggingActivity; |
| import com.android.launcher3.R; |
| import com.android.launcher3.anim.Interpolators; |
| import com.android.launcher3.logging.UserEventDispatcher; |
| import com.android.quickstep.BaseActivityInterface; |
| import com.android.quickstep.GestureState; |
| import com.android.quickstep.InputConsumer; |
| import com.android.quickstep.SystemUiProxy; |
| import com.android.systemui.shared.system.InputMonitorCompat; |
| |
| /** |
| * Touch consumer for handling events to launch assistant from launcher |
| */ |
| public class AssistantInputConsumer extends DelegateInputConsumer { |
| |
| private static final String TAG = "AssistantInputConsumer"; |
| private static final long RETRACT_ANIMATION_DURATION_MS = 300; |
| |
| // From //java/com/google/android/apps/gsa/search/shared/util/OpaContract.java. |
| private static final String OPA_BUNDLE_TRIGGER = "triggered_by"; |
| // From //java/com/google/android/apps/gsa/assistant/shared/proto/opa_trigger.proto. |
| private static final int OPA_BUNDLE_TRIGGER_DIAG_SWIPE_GESTURE = 83; |
| private static final String INVOCATION_TYPE_KEY = "invocation_type"; |
| private static final int INVOCATION_TYPE_GESTURE = 1; |
| |
| private final PointF mDownPos = new PointF(); |
| private final PointF mLastPos = new PointF(); |
| private final PointF mStartDragPos = new PointF(); |
| |
| private int mActivePointerId = -1; |
| private boolean mPassedSlop; |
| private boolean mLaunchedAssistant; |
| private float mDistance; |
| private float mTimeFraction; |
| private long mDragTime; |
| private float mLastProgress; |
| private int mDirection; |
| private BaseActivityInterface mActivityInterface; |
| |
| private final float mDragDistThreshold; |
| private final float mFlingDistThreshold; |
| private final long mTimeThreshold; |
| private final int mAngleThreshold; |
| private final float mSquaredSlop; |
| private final Context mContext; |
| private final GestureDetector mGestureDetector; |
| private final boolean mIsAssistGestureConstrained; |
| |
| public AssistantInputConsumer( |
| Context context, |
| GestureState gestureState, |
| InputConsumer delegate, |
| InputMonitorCompat inputMonitor, |
| boolean isAssistGestureConstrained) { |
| super(delegate, inputMonitor); |
| final Resources res = context.getResources(); |
| mContext = context; |
| mIsAssistGestureConstrained = isAssistGestureConstrained; |
| mDragDistThreshold = res.getDimension(R.dimen.gestures_assistant_drag_threshold); |
| mFlingDistThreshold = res.getDimension(R.dimen.gestures_assistant_fling_threshold); |
| mTimeThreshold = res.getInteger(R.integer.assistant_gesture_min_time_threshold); |
| mAngleThreshold = res.getInteger(R.integer.assistant_gesture_corner_deg_threshold); |
| |
| float slop = ViewConfiguration.get(context).getScaledTouchSlop(); |
| |
| mSquaredSlop = slop * slop; |
| mActivityInterface = gestureState.getActivityInterface(); |
| |
| mGestureDetector = new GestureDetector(context, new AssistantGestureListener()); |
| } |
| |
| @Override |
| public int getType() { |
| return TYPE_ASSISTANT | mDelegate.getType(); |
| } |
| |
| @Override |
| public void onMotionEvent(MotionEvent ev) { |
| // TODO add logging |
| switch (ev.getActionMasked()) { |
| case ACTION_DOWN: { |
| mActivePointerId = ev.getPointerId(0); |
| mDownPos.set(ev.getX(), ev.getY()); |
| mLastPos.set(mDownPos); |
| mTimeFraction = 0; |
| break; |
| } |
| case ACTION_POINTER_DOWN: { |
| if (mState != STATE_ACTIVE) { |
| mState = STATE_DELEGATE_ACTIVE; |
| } |
| break; |
| } |
| case ACTION_POINTER_UP: { |
| int ptrIdx = ev.getActionIndex(); |
| int ptrId = ev.getPointerId(ptrIdx); |
| if (ptrId == mActivePointerId) { |
| final int newPointerIdx = ptrIdx == 0 ? 1 : 0; |
| mDownPos.set( |
| ev.getX(newPointerIdx) - (mLastPos.x - mDownPos.x), |
| ev.getY(newPointerIdx) - (mLastPos.y - mDownPos.y)); |
| mLastPos.set(ev.getX(newPointerIdx), ev.getY(newPointerIdx)); |
| mActivePointerId = ev.getPointerId(newPointerIdx); |
| } |
| break; |
| } |
| case ACTION_MOVE: { |
| if (mState == STATE_DELEGATE_ACTIVE) { |
| break; |
| } |
| if (!mDelegate.allowInterceptByParent()) { |
| mState = STATE_DELEGATE_ACTIVE; |
| break; |
| } |
| int pointerIndex = ev.findPointerIndex(mActivePointerId); |
| if (pointerIndex == -1) { |
| break; |
| } |
| mLastPos.set(ev.getX(pointerIndex), ev.getY(pointerIndex)); |
| |
| if (!mPassedSlop) { |
| // Normal gesture, ensure we pass the slop before we start tracking the gesture |
| if (squaredHypot(mLastPos.x - mDownPos.x, mLastPos.y - mDownPos.y) |
| > mSquaredSlop) { |
| |
| mPassedSlop = true; |
| mStartDragPos.set(mLastPos.x, mLastPos.y); |
| mDragTime = SystemClock.uptimeMillis(); |
| |
| if (isValidAssistantGestureAngle( |
| mDownPos.x - mLastPos.x, mDownPos.y - mLastPos.y)) { |
| setActive(ev); |
| } else { |
| mState = STATE_DELEGATE_ACTIVE; |
| } |
| } |
| } else { |
| // Movement |
| mDistance = (float) Math.hypot(mLastPos.x - mStartDragPos.x, |
| mLastPos.y - mStartDragPos.y); |
| if (mDistance >= 0) { |
| final long diff = SystemClock.uptimeMillis() - mDragTime; |
| mTimeFraction = Math.min(diff * 1f / mTimeThreshold, 1); |
| updateAssistantProgress(); |
| } |
| } |
| break; |
| } |
| case ACTION_CANCEL: |
| case ACTION_UP: |
| if (mState != STATE_DELEGATE_ACTIVE && !mLaunchedAssistant) { |
| ValueAnimator animator = ValueAnimator.ofFloat(mLastProgress, 0) |
| .setDuration(RETRACT_ANIMATION_DURATION_MS); |
| UserEventDispatcher.newInstance(mContext).logActionOnContainer( |
| SWIPE_NOOP, mDirection, NAVBAR); |
| animator.addUpdateListener(valueAnimator -> { |
| float progress = (float) valueAnimator.getAnimatedValue(); |
| SystemUiProxy.INSTANCE.get(mContext).onAssistantProgress(progress); |
| }); |
| animator.setInterpolator(Interpolators.DEACCEL_2); |
| animator.start(); |
| } |
| mPassedSlop = false; |
| mState = STATE_INACTIVE; |
| break; |
| } |
| |
| mGestureDetector.onTouchEvent(ev); |
| |
| if (mState != STATE_ACTIVE) { |
| mDelegate.onMotionEvent(ev); |
| } |
| } |
| |
| private void updateAssistantProgress() { |
| if (!mLaunchedAssistant) { |
| mLastProgress = Math.min(mDistance * 1f / mDragDistThreshold, 1) * mTimeFraction; |
| if (mDistance >= mDragDistThreshold && mTimeFraction >= 1) { |
| SystemUiProxy.INSTANCE.get(mContext).onAssistantGestureCompletion(0); |
| startAssistantInternal(SWIPE); |
| |
| Bundle args = new Bundle(); |
| args.putInt(OPA_BUNDLE_TRIGGER, OPA_BUNDLE_TRIGGER_DIAG_SWIPE_GESTURE); |
| args.putInt(INVOCATION_TYPE_KEY, INVOCATION_TYPE_GESTURE); |
| SystemUiProxy.INSTANCE.get(mContext).startAssistant(args); |
| mLaunchedAssistant = true; |
| } else { |
| SystemUiProxy.INSTANCE.get(mContext).onAssistantProgress(mLastProgress); |
| } |
| } |
| } |
| |
| private void startAssistantInternal(int gestureType) { |
| UserEventDispatcher.newInstance(mContext) |
| .logActionOnContainer(gestureType, mDirection, NAVBAR); |
| |
| BaseDraggingActivity launcherActivity = mActivityInterface.getCreatedActivity(); |
| if (launcherActivity != null) { |
| launcherActivity.getRootView().performHapticFeedback( |
| 13, // HapticFeedbackConstants.GESTURE_END |
| HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); |
| } |
| } |
| |
| /** |
| * Determine if angle is larger than threshold for assistant detection |
| */ |
| private boolean isValidAssistantGestureAngle(float deltaX, float deltaY) { |
| float angle = (float) Math.toDegrees(Math.atan2(deltaY, deltaX)); |
| mDirection = angle > 90 ? UPLEFT : UPRIGHT; |
| |
| // normalize so that angle is measured clockwise from horizontal in the bottom right corner |
| // and counterclockwise from horizontal in the bottom left corner |
| angle = angle > 90 ? 180 - angle : angle; |
| return (angle > mAngleThreshold && angle < 90); |
| } |
| |
| private class AssistantGestureListener extends SimpleOnGestureListener { |
| @Override |
| public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { |
| if (!mIsAssistGestureConstrained |
| && isValidAssistantGestureAngle(velocityX, -velocityY) |
| && mDistance >= mFlingDistThreshold |
| && !mLaunchedAssistant |
| && mState != STATE_DELEGATE_ACTIVE) { |
| mLastProgress = 1; |
| SystemUiProxy.INSTANCE.get(mContext).onAssistantGestureCompletion( |
| (float) Math.sqrt(velocityX * velocityX + velocityY * velocityY)); |
| startAssistantInternal(FLING); |
| |
| Bundle args = new Bundle(); |
| args.putInt(INVOCATION_TYPE_KEY, INVOCATION_TYPE_GESTURE); |
| SystemUiProxy.INSTANCE.get(mContext).startAssistant(args); |
| mLaunchedAssistant = true; |
| } |
| return true; |
| } |
| } |
| } |