speed up the sidebar date and time formatter at scrolling

app/src/main/kotlin/com/simplemobiletools/gallery/pro/activities/MediaActivity.kt

@@ -61,6 +61,8 @@ class MediaActivity : SimpleActivity(), MediaOperationsListener {
     private var mLoadedInitialPhotos = false
     private var mIsSearchOpen = false
     private var mLastSearchedText = ""
+    private var mDateFormat = ""
+    private var mTimeFormat = ""
     private var mLatestMediaId = 0L
     private var mLatestMediaDateId = 0L
     private var mLastMediaHandler = Handler()
@@ -122,6 +124,9 @@ class MediaActivity : SimpleActivity(), MediaOperationsListener {
 
     override fun onResume() {
         super.onResume()
+        mDateFormat = config.dateFormat
+        mTimeFormat = getTimeFormat()
+
         if (mStoredAnimateGifs != config.animateGifs) {
             getMediaAdapter()?.updateAnimateGifs(config.animateGifs)
         }
@@ -443,7 +448,7 @@ class MediaActivity : SimpleActivity(), MediaOperationsListener {
         if (mediaAdapter?.isASectionTitle(index) == true) {
             realIndex++
         }
-        return mediaAdapter?.getItemBubbleText(realIndex, sorting) ?: ""
+        return mediaAdapter?.getItemBubbleText(realIndex, sorting, mDateFormat, mTimeFormat) ?: ""
     }
 
     private fun checkLastMediaChanged() {

app/src/main/kotlin/com/simplemobiletools/gallery/pro/activities/SearchActivity.kt

@@ -31,6 +31,8 @@ import java.io.File
 class SearchActivity : SimpleActivity(), MediaOperationsListener {
     private var mIsSearchOpen = false
     private var mLastSearchedText = ""
+    private var mDateFormat = ""
+    private var mTimeFormat = ""
 
     private var mSearchMenuItem: MenuItem? = null
     private var mCurrAsyncTask: GetMediaAsynctask? = null
@@ -40,6 +42,8 @@ class SearchActivity : SimpleActivity(), MediaOperationsListener {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_search)
         media_empty_text_placeholder.setTextColor(config.textColor)
+        mDateFormat = config.dateFormat
+        mTimeFormat = getTimeFormat()
         getAllMedia()
     }
 
@@ -232,7 +236,7 @@ class SearchActivity : SimpleActivity(), MediaOperationsListener {
         if (mediaAdapter?.isASectionTitle(index) == true) {
             realIndex++
         }
-        return mediaAdapter?.getItemBubbleText(realIndex, sorting) ?: ""
+        return mediaAdapter?.getItemBubbleText(realIndex, sorting, mDateFormat, mTimeFormat) ?: ""
     }
 
     private fun measureRecyclerViewContent(media: ArrayList<ThumbnailItem>) {

app/src/main/kotlin/com/simplemobiletools/gallery/pro/adapters/MediaAdapter.kt

@@ -493,7 +493,9 @@ class MediaAdapter(activity: BaseSimpleActivity, var media: MutableList<Thumbnai
         }, INSTANT_LOAD_DURATION)
     }
 
-    fun getItemBubbleText(position: Int, sorting: Int) = (media[position] as? Medium)?.getBubbleText(sorting, activity)
+    fun getItemBubbleText(position: Int, sorting: Int, dateFormat: String, timeFormat: String): String {
+        return (media[position] as? Medium)?.getBubbleText(sorting, activity, dateFormat, timeFormat) ?: ""
+    }
 
     private fun setupThumbnail(view: View, medium: Medium) {
         val isSelected = selectedKeys.contains(medium.path.hashCode())

app/src/main/kotlin/com/simplemobiletools/gallery/pro/dialogs/PickMediumDialog.kt

@@ -5,6 +5,7 @@ import androidx.recyclerview.widget.RecyclerView
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.extensions.beGoneIf
 import com.simplemobiletools.commons.extensions.beVisibleIf
+import com.simplemobiletools.commons.extensions.getTimeFormat
 import com.simplemobiletools.commons.extensions.setupDialogStuff
 import com.simplemobiletools.commons.views.MyGridLayoutManager
 import com.simplemobiletools.gallery.pro.R
@@ -74,6 +75,8 @@ class PickMediumDialog(val activity: BaseSimpleActivity, val path: String, val c
 
         val scrollHorizontally = activity.config.scrollHorizontally && isGridViewType
         val sorting = activity.config.getFolderSorting(if (path.isEmpty()) SHOW_ALL else path)
+        val dateFormat = activity.config.dateFormat
+        val timeFormat = activity.getTimeFormat()
         view.apply {
             media_grid.adapter = adapter
 
@@ -86,12 +89,14 @@ class PickMediumDialog(val activity: BaseSimpleActivity, val path: String, val c
             if (scrollHorizontally) {
                 media_horizontal_fastscroller.allowBubbleDisplay = activity.config.showInfoBubble
                 media_horizontal_fastscroller.setViews(media_grid) {
-                    media_horizontal_fastscroller.updateBubbleText((media[it] as? Medium)?.getBubbleText(sorting, activity) ?: "")
+                    val medium = (media[it] as? Medium)
+                    media_horizontal_fastscroller.updateBubbleText(medium?.getBubbleText(sorting, activity, dateFormat, timeFormat) ?: "")
                 }
             } else {
                 media_vertical_fastscroller.allowBubbleDisplay = activity.config.showInfoBubble
                 media_vertical_fastscroller.setViews(media_grid) {
-                    media_vertical_fastscroller.updateBubbleText((media[it] as? Medium)?.getBubbleText(sorting, activity) ?: "")
+                    val medium = (media[it] as? Medium)
+                    media_vertical_fastscroller.updateBubbleText(medium?.getBubbleText(sorting, activity, dateFormat, timeFormat) ?: "")
                 }
             }
         }

app/src/main/kotlin/com/simplemobiletools/gallery/pro/models/Medium.kt

@@ -48,11 +48,11 @@ data class Medium(
 
     fun isHidden() = name.startsWith('.')
 
-    fun getBubbleText(sorting: Int, context: Context) = when {
+    fun getBubbleText(sorting: Int, context: Context, dateFormat: String, timeFormat: String) = when {
         sorting and SORT_BY_NAME != 0 -> name
         sorting and SORT_BY_PATH != 0 -> path
         sorting and SORT_BY_SIZE != 0 -> size.formatSize()
-        sorting and SORT_BY_DATE_MODIFIED != 0 -> modified.formatDate(context)
+        sorting and SORT_BY_DATE_MODIFIED != 0 -> modified.formatDate(context, dateFormat, timeFormat)
         else -> taken.formatDate(context)
     }