66 lines
2.4 KiB
Kotlin
66 lines
2.4 KiB
Kotlin
/* Copyright 2019 Tusky Contributors
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.pager
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import androidx.fragment.app.*
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import com.keylesspalace.tusky.fragment.AccountMediaFragment
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import com.keylesspalace.tusky.fragment.TimelineFragment
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import com.keylesspalace.tusky.interfaces.RefreshableFragment
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import androidx.viewpager2.adapter.FragmentStateAdapter
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import java.lang.ref.WeakReference
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class AccountPagerAdapter(
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activity: FragmentActivity,
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private val accountId: String
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) : FragmentStateAdapter(activity) {
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private val fragments = MutableList<WeakReference<Fragment>?>(TAB_COUNT) { null }
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override fun getItemCount() = TAB_COUNT
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override fun createFragment(position: Int): Fragment {
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val fragment: Fragment = when (position) {
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0 -> TimelineFragment.newInstance(TimelineFragment.Kind.USER, accountId, false)
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1 -> TimelineFragment.newInstance(TimelineFragment.Kind.USER_WITH_REPLIES, accountId, false)
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2 -> TimelineFragment.newInstance(TimelineFragment.Kind.USER_PINNED, accountId, false)
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3 -> AccountMediaFragment.newInstance(accountId, false)
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else -> throw AssertionError("Page $position is out of AccountPagerAdapter bounds")
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}
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fragments[position] = WeakReference(fragment)
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return fragment
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}
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fun getFragment(position: Int): Fragment? {
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return fragments[position]?.get()
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}
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fun refreshContent() {
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for (i in 0 until TAB_COUNT) {
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val fragment = getFragment(i)
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if (fragment != null && fragment is RefreshableFragment) {
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(fragment as RefreshableFragment).refreshContent()
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}
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}
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}
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companion object {
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private const val TAB_COUNT = 4
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}
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}
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