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Improve media album rail entrance animation.

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Nicholas 2022-11-22 10:03:17 -05:00 • committed by Cody Henthorne
parent 77be721f5a
commit a46fc96ff1
3 changed files with 12 additions and 13 deletions
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15
app/src/main/java/org/thoughtcrime/securesms/mediapreview/MediaPreviewV2Fragment.kt
View file

@ -66,6 +66,7 @@ import org.thoughtcrime.securesms.util.ViewUtil
import org.thoughtcrime.securesms.util.visible
import java.util.Locale
import java.util.concurrent.TimeUnit
import kotlin.math.roundToInt
class MediaPreviewV2Fragment : Fragment(R.layout.fragment_media_preview_v2), MediaPreviewFragment.Events {
private val TAG = Log.tag(MediaPreviewV2Fragment::class.java)
@ -78,9 +79,12 @@ class MediaPreviewV2Fragment : Fragment(R.layout.fragment_media_preview_v2), Med
private lateinit var fullscreenHelper: FullscreenHelper
private lateinit var albumRailAdapter: MediaRailAdapter
private var individualItemWidth: Int = 0
override fun onAttach(context: Context) {
super.onAttach(context)
fullscreenHelper = FullscreenHelper(requireActivity())
individualItemWidth = context.resources.getDimension(R.dimen.media_rail_item_size).roundToInt()
}
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
@ -293,19 +297,14 @@ class MediaPreviewV2Fragment : Fragment(R.layout.fragment_media_preview_v2), Med
val currentItemPosition = albumRailAdapter.currentItemPosition
val currentList = albumRailAdapter.currentList
val albumRail: RecyclerView = binding.mediaPreviewPlaybackControls.recyclerView
var selectedItemWidth = -1
albumRail.scrollToPosition(currentItemPosition)
for (i in currentList.indices) {
val isSelected = i == currentItemPosition
val stableId = albumRailAdapter.getItemId(i)
val viewHolder = albumRail.findViewHolderForItemId(stableId) as? MediaRailAdapter.MediaRailViewHolder
if (viewHolder != null) {
viewHolder.setSelectedItem(isSelected)
if (isSelected) {
selectedItemWidth = viewHolder.itemView.width
viewHolder?.setSelectedItem(isSelected)
}
}
}
val offsetFromStart = (albumRail.width - selectedItemWidth) / 2
val offsetFromStart = (albumRail.width - individualItemWidth) / 2
val smoothScroller = OffsetSmoothScroller(requireContext(), offsetFromStart)
smoothScroller.targetPosition = currentItemPosition
val layoutManager = albumRail.layoutManager as LinearLayoutManager

9
app/src/main/res/layout/mediarail_media_item.xml
View file

@ -11,16 +11,15 @@
<org.thoughtcrime.securesms.components.ThumbnailView
android:id="@+id/rail_item_image"
android:layout_width="44dp"
android:layout_height="44dp"
android:layout_width="@dimen/media_rail_thumbnail_size"
android:layout_height="@dimen/media_rail_thumbnail_size"
android:layout_gravity="center"
android:background="@drawable/mediarail_media_outline"
app:thumbnail_radius="8dp"/>
<ImageView
android:id="@+id/rail_item_outline"
android:layout_width="46dp"
android:layout_height="46dp"
android:layout_width="@dimen/media_rail_item_size"
android:layout_height="@dimen/media_rail_item_size"
android:layout_gravity="center"
android:src="@drawable/mediarail_media_outline"
android:visibility="gone"

1
app/src/main/res/values/dimens.xml
View file

@ -244,4 +244,5 @@
<dimen name="media_preview_button_horizontal_margin">8dp</dimen>
<dimen name="media_preview_lottie_button_dimen">36dp</dimen>
<dimen name="media_rail_item_size">46dp</dimen>
<dimen name="media_rail_thumbnail_size">44dp</dimen>
</resources>