TabsTouchHelper.kt

Enable keyboard shortcuts

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

package org.mozilla.reference.browser.tabs

import androidx.recyclerview.widget.ItemTouchHelper

import mozilla.components.browser.state.state.TabSessionState

import mozilla.components.browser.tabstray.TabTouchCallback

import kotlin.math.abs

class TabsTouchHelper(

    observable: (TabSessionState) -> Unit,

) : ItemTouchHelper(object : TabTouchCallback(observable) {

        override fun alphaForItemSwipe(

            dX: Float,

            distanceToAlphaMin: Int,

        ): Float = 1f - 2f * abs(dX) / distanceToAlphaMin

})