Merge "[DO NOT MERGE]Revert "Edge click and drag using the trackpad shouldn't...

 */

package com.android.systemui.navigationbar.gestural;

import static android.view.InputDevice.SOURCE_MOUSE;

import static android.view.InputDevice.SOURCE_TOUCHPAD;

import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_EXCLUDE_FROM_SCREEN_MAGNIFICATION;

import static com.android.systemui.classifier.Classifier.BACK_GESTURE;

            mMLResults = 0;

            mLogGesture = false;

            mInRejectedExclusion = false;

            // Trackpad back gestures don't have zones, so we don't need to check if the down event

            // is within insets. Also we don't allow back for button press from the trackpad, and

            // yet we do with a mouse.

            boolean isWithinInsets = isWithinInsets((int) ev.getX(), (int) ev.getY());

            // Trackpad back gestures don't have zones, so we don't need to check if the down event

            // is within insets.

            mAllowGesture = !mDisabledForQuickstep && mIsBackGestureAllowed

                    && !isButtonPressFromTrackpad(ev)

                    && (isTrackpadMultiFingerSwipe || isWithinInsets)

                    && !mGestureBlockingActivityRunning

                    && !QuickStepContract.isBackGestureDisabled(mSysUiFlags)

        mProtoTracer.scheduleFrameUpdate();

    }

    private boolean isButtonPressFromTrackpad(MotionEvent ev) {

        int sources = InputManager.getInstance().getInputDevice(ev.getDeviceId()).getSources();

        return (sources & (SOURCE_MOUSE | SOURCE_TOUCHPAD)) == sources && ev.getButtonState() != 0;

    }

    private void dispatchToBackAnimation(MotionEvent event) {

        if (mBackAnimation != null) {

            mVelocityTracker.addMovement(event);