Auxio/app/src/main/java/org/oxycblt/auxio/MainFragment.kt
OxygenCobalt e9ee9d1ef1 Standardize coil usage
Completely switch over to use ImageRequest.Builder instead of the load extension function, spin off the Artist Image fetcher & Image BindingAdapters to a seperate module.
2020-09-07 10:52:07 -06:00

117 lines
3.7 KiB
Kotlin

package org.oxycblt.auxio
import android.os.Bundle
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.core.content.ContextCompat
import androidx.databinding.DataBindingUtil
import androidx.fragment.app.Fragment
import androidx.fragment.app.FragmentActivity
import androidx.viewpager2.adapter.FragmentStateAdapter
import com.google.android.material.tabs.TabLayout
import com.google.android.material.tabs.TabLayoutMediator
import org.oxycblt.auxio.databinding.FragmentMainBinding
import org.oxycblt.auxio.library.LibraryFragment
import org.oxycblt.auxio.songs.SongsFragment
import org.oxycblt.auxio.theme.accent
import org.oxycblt.auxio.theme.getInactiveAlpha
import org.oxycblt.auxio.theme.getTransparentAccent
import org.oxycblt.auxio.theme.toColor
class MainFragment : Fragment() {
private val shownFragments = listOf(0, 1)
private val libraryFragment: LibraryFragment by lazy { LibraryFragment() }
private val songsFragment: SongsFragment by lazy { SongsFragment() }
private val tabIcons = listOf(
R.drawable.ic_library,
R.drawable.ic_song
)
override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
val binding = DataBindingUtil.inflate<FragmentMainBinding>(
inflater, R.layout.fragment_main, container, false
)
val adapter = PagerAdapter(requireActivity())
binding.viewPager.adapter = adapter
val colorActive = accent.first.toColor(requireContext())
val colorInactive = getTransparentAccent(
requireContext(),
accent.first,
getInactiveAlpha(accent.first)
)
// Link the ViewPager & Tab View
TabLayoutMediator(binding.tabs, binding.viewPager) { tab, position ->
tab.icon = ContextCompat.getDrawable(requireContext(), tabIcons[position])
// Set the icon tint to deselected if its not the default tab
if (position > 0) {
tab.icon?.setTint(colorInactive)
}
// Init the fragment
fragmentAt(position)
}.attach()
// Set up the selected/deselected colors
binding.tabs.addOnTabSelectedListener(
object : TabLayout.OnTabSelectedListener {
override fun onTabSelected(tab: TabLayout.Tab) {
tab.icon?.setTint(colorActive)
}
override fun onTabUnselected(tab: TabLayout.Tab) {
tab.icon?.setTint(colorInactive)
}
override fun onTabReselected(tab: TabLayout.Tab?) {
}
}
)
Log.d(this::class.simpleName, "Fragment Created.")
return binding.root
}
private fun fragmentAt(position: Int): Fragment {
return when (position) {
0 -> libraryFragment
1 -> songsFragment
else -> libraryFragment
}
}
private inner class PagerAdapter(activity: FragmentActivity) : FragmentStateAdapter(activity) {
override fun getItemCount(): Int = shownFragments.size
override fun createFragment(position: Int): Fragment {
Log.d(this::class.simpleName, "Switching to fragment $position.")
if (shownFragments.contains(position)) {
return fragmentAt(position)
}
// Not sure how this would happen but it might
Log.e(
this::class.simpleName,
"Attempted to index a fragment that shouldn't be shown. Returning libraryFragment."
)
return libraryFragment
}
}
}