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66 lines
2.2 KiB
Kotlin
66 lines
2.2 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.home.sessioncontrol.viewholders
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import android.view.View
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import androidx.core.view.isVisible
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import androidx.recyclerview.widget.RecyclerView
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import androidx.viewpager2.widget.ViewPager2
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import kotlinx.android.synthetic.main.component_top_sites_pager.view.*
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import mozilla.components.feature.top.sites.TopSite
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import org.mozilla.fenix.R
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import org.mozilla.fenix.components.metrics.Event
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import org.mozilla.fenix.ext.components
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import org.mozilla.fenix.home.sessioncontrol.TopSiteInteractor
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import org.mozilla.fenix.home.sessioncontrol.viewholders.topsites.TopSitesPagerAdapter
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class TopSitePagerViewHolder(
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view: View,
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interactor: TopSiteInteractor
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) : RecyclerView.ViewHolder(view) {
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private val topSitesPagerAdapter = TopSitesPagerAdapter(interactor)
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private val pageIndicator = view.page_indicator
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private var currentPage = 0
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private val topSitesPageChangeCallback = object : ViewPager2.OnPageChangeCallback() {
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override fun onPageSelected(position: Int) {
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if (currentPage != position) {
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pageIndicator.context.components.analytics.metrics.track(Event.TopSiteSwipeCarousel(position))
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}
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pageIndicator.setSelection(position)
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currentPage = position
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}
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}
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init {
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view.top_sites_pager.apply {
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adapter = topSitesPagerAdapter
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registerOnPageChangeCallback(topSitesPageChangeCallback)
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}
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}
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fun bind(topSites: List<TopSite>) {
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topSitesPagerAdapter.updateData(topSites)
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// Don't show any page indicator if there is only 1 page.
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val numPages = if (topSites.size > TOP_SITES_PER_PAGE) {
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TOP_SITES_MAX_PAGE_SIZE
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} else {
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0
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}
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pageIndicator.isVisible = numPages > 1
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pageIndicator.setSize(numPages)
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}
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companion object {
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const val LAYOUT_ID = R.layout.component_top_sites_pager
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const val TOP_SITES_MAX_PAGE_SIZE = 2
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const val TOP_SITES_PER_PAGE = 8
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}
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}
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