rely on thumbnailItems at getting selected items at mediaadapter

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

@@ -356,7 +356,7 @@ class MediaActivity : SimpleActivity(), MediaAdapter.MediaOperationsListener {
         }
     }
 
-    private fun getBubbleTextItem(index: Int, sorting: Int) = getMediaAdapter()?.media?.getOrNull(index)?.getBubbleText(sorting) ?: ""
+    private fun getBubbleTextItem(index: Int, sorting: Int) = getMediaAdapter()?.getItemBubbleText(index, sorting) ?: ""
 
     private fun checkLastMediaChanged() {
         if (isActivityDestroyed())

app/src/main/kotlin/com/simplemobiletools/gallery/activities/ViewPagerActivity.kt

@@ -321,7 +321,7 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
             R.id.menu_open_with -> openPath(getCurrentPath(), true)
             R.id.menu_hide -> toggleFileVisibility(true)
             R.id.menu_unhide -> toggleFileVisibility(false)
-            R.id.menu_share -> shareMedium(getCurrentMedium()!!)
+            R.id.menu_share -> shareMediumPath(getCurrentPath())
             R.id.menu_delete -> checkDeleteConfirmation()
             R.id.menu_rename -> renameFile()
             R.id.menu_edit -> openEditor(getCurrentPath())
@@ -769,7 +769,7 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
         }
 
         bottom_share.setOnClickListener {
-            shareMedium(getCurrentMedium()!!)
+            shareMediumPath(getCurrentPath())
         }
 
         bottom_delete.setOnClickListener {

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

@@ -166,7 +166,7 @@ class MediaAdapter(activity: BaseSimpleActivity, var media: MutableList<Medium>,
     private fun checkHideBtnVisibility(menu: Menu) {
         var hiddenCnt = 0
         var unhiddenCnt = 0
-        selectedPositions.mapNotNull { media.getOrNull(it) }.forEach {
+        getSelectedMedia().forEach {
             if (it.name.startsWith('.')) {
                 hiddenCnt++
             } else {
@@ -181,7 +181,7 @@ class MediaAdapter(activity: BaseSimpleActivity, var media: MutableList<Medium>,
     private fun checkFavoriteBtnVisibility(menu: Menu) {
         var favoriteCnt = 0
         var nonFavoriteCnt = 0
-        selectedPositions.mapNotNull { media.getOrNull(it) }.forEach {
+        getSelectedMedia().forEach {
             if (it.isFavorite) {
                 favoriteCnt++
             } else {
@@ -194,16 +194,14 @@ class MediaAdapter(activity: BaseSimpleActivity, var media: MutableList<Medium>,
     }
 
     private fun confirmSelection() {
-        val paths = getSelectedMedia().map { it.path } as ArrayList<String>
-        listener?.selectedPaths(paths)
+        listener?.selectedPaths(getSelectedPaths())
     }
 
     private fun showProperties() {
         if (selectedPositions.size <= 1) {
-            PropertiesDialog(activity, media[selectedPositions.first()].path, config.shouldShowHidden)
+            PropertiesDialog(activity, (thumbnailItems[selectedPositions.first()] as ThumbnailMedium).path, config.shouldShowHidden)
         } else {
-            val paths = ArrayList<String>()
-            selectedPositions.forEach { paths.add(media[it].path) }
+            val paths = getSelectedPaths()
             PropertiesDialog(activity, paths, config.shouldShowHidden)
         }
     }
@@ -255,17 +253,19 @@ class MediaAdapter(activity: BaseSimpleActivity, var media: MutableList<Medium>,
 
     private fun shareMedia() {
         if (selectedPositions.size == 1 && selectedPositions.first() != -1) {
-            activity.shareMedium(getSelectedMedia()[0])
+            activity.shareMediumPath(getSelectedMedia().first().path)
         } else if (selectedPositions.size > 1) {
-            activity.shareMedia(getSelectedMedia())
+            activity.shareMediaPaths(getSelectedPaths())
         }
     }
 
     private fun copyMoveTo(isCopyOperation: Boolean) {
-        val paths = ArrayList<String>()
-        selectedPositions.forEach { paths.add(media[it].path) }
+        val paths = getSelectedPaths()
+
+        val fileDirItems = paths.map {
+            FileDirItem(it, it.getFilenameFromPath())
+        } as ArrayList
 
-        val fileDirItems = paths.map { FileDirItem(it, it.getFilenameFromPath()) } as ArrayList
         activity.tryCopyMoveFilesTo(fileDirItems, isCopyOperation) {
             config.tempFolderPath = ""
             activity.applicationContext.rescanFolderMedia(it)
@@ -293,7 +293,7 @@ class MediaAdapter(activity: BaseSimpleActivity, var media: MutableList<Medium>,
         }
     }
 
-    private fun getCurrentPath() = media[selectedPositions.first()].path
+    private fun getCurrentPath() = (thumbnailItems[selectedPositions.first()] as ThumbnailMedium).path
 
     private fun deleteFiles() {
         if (selectedPositions.isEmpty()) {
@@ -301,33 +301,39 @@ class MediaAdapter(activity: BaseSimpleActivity, var media: MutableList<Medium>,
         }
 
         val fileDirItems = ArrayList<FileDirItem>(selectedPositions.size)
-        val removeMedia = ArrayList<Medium>(selectedPositions.size)
+        val removeMedia = ArrayList<ThumbnailMedium>(selectedPositions.size)
 
-        if (media.size <= selectedPositions.first()) {
+        if (thumbnailItems.size <= selectedPositions.first()) {
             finishActMode()
             return
         }
 
-        val SAFPath = media[selectedPositions.first()].path
+        val SAFPath = (thumbnailItems[selectedPositions.first()] as ThumbnailMedium).path
         activity.handleSAFDialog(SAFPath) {
             selectedPositions.sortedDescending().forEach {
-                val medium = media[it]
-                fileDirItems.add(FileDirItem(medium.path, medium.name))
-                removeMedia.add(medium)
+                val thumbnailItem = thumbnailItems[it]
+                if (thumbnailItem is ThumbnailMedium) {
+                    fileDirItems.add(FileDirItem(thumbnailItem.path, thumbnailItem.name))
+                    removeMedia.add(thumbnailItem)
+                }
             }
 
-            media.removeAll(removeMedia)
+            thumbnailItems.removeAll(removeMedia)
             listener?.tryDeleteFiles(fileDirItems)
             removeSelectedItems()
         }
     }
 
-    private fun getSelectedMedia(): List<Medium> {
-        val selectedMedia = ArrayList<Medium>(selectedPositions.size)
-        selectedPositions.forEach { selectedMedia.add(media[it]) }
+    private fun getSelectedMedia(): List<ThumbnailMedium> {
+        val selectedMedia = ArrayList<ThumbnailMedium>(selectedPositions.size)
+        selectedPositions.forEach {
+            selectedMedia.add(thumbnailItems[it] as ThumbnailMedium)
+        }
         return selectedMedia
     }
 
+    private fun getSelectedPaths() = getSelectedMedia().map { it.path } as ArrayList<String>
+
     fun updateMedia(newMedia: ArrayList<Medium>) {
         if (newMedia.hashCode() != currentMediaHash || currentGrouping != config.getFolderGrouping(path)) {
             currentMediaHash = newMedia.hashCode()
@@ -432,6 +438,8 @@ class MediaAdapter(activity: BaseSimpleActivity, var media: MutableList<Medium>,
         return activity.getString(stringId)
     }
 
+    fun getItemBubbleText(position: Int, sorting: Int) = (thumbnailItems[position] as? ThumbnailMedium)?.getBubbleText(sorting)
+
     private fun setupThumbnailMedium(view: View, medium: ThumbnailMedium) {
         view.apply {
             play_outline.beVisibleIf(medium.isVideo())

app/src/main/kotlin/com/simplemobiletools/gallery/extensions/Activity.kt

@@ -15,7 +15,6 @@ import com.simplemobiletools.gallery.R
 import com.simplemobiletools.gallery.activities.SimpleActivity
 import com.simplemobiletools.gallery.dialogs.PickDirectoryDialog
 import com.simplemobiletools.gallery.helpers.NOMEDIA
-import com.simplemobiletools.gallery.models.Medium
 import java.io.File
 import java.util.*
 
@@ -27,12 +26,11 @@ fun Activity.sharePaths(paths: ArrayList<String>) {
     sharePathsIntent(paths, BuildConfig.APPLICATION_ID)
 }
 
-fun Activity.shareMedium(medium: Medium) {
-    sharePath(medium.path)
+fun Activity.shareMediumPath(path: String) {
+    sharePath(path)
 }
 
-fun Activity.shareMedia(media: List<Medium>) {
-    val paths = media.map { it.path } as ArrayList
+fun Activity.shareMediaPaths(paths: ArrayList<String>) {
     sharePaths(paths)
 }
 

app/src/main/kotlin/com/simplemobiletools/gallery/models/ThumbnailMedium.kt

@@ -1,8 +1,22 @@
 package com.simplemobiletools.gallery.models
 
+import com.simplemobiletools.commons.extensions.formatDate
+import com.simplemobiletools.commons.extensions.formatSize
+import com.simplemobiletools.commons.helpers.SORT_BY_DATE_MODIFIED
+import com.simplemobiletools.commons.helpers.SORT_BY_NAME
+import com.simplemobiletools.commons.helpers.SORT_BY_PATH
+import com.simplemobiletools.commons.helpers.SORT_BY_SIZE
 import com.simplemobiletools.gallery.helpers.TYPE_VIDEOS
 
 data class ThumbnailMedium(val name: String, val path: String, val parentPath: String, val modified: Long, val taken: Long, val size: Long,
-                           val type: Int, val isFavorite: Boolean) : ThumbnailItem() {
+                           val type: Int, var isFavorite: Boolean) : ThumbnailItem() {
     fun isVideo() = type == TYPE_VIDEOS
+
+    fun getBubbleText(sorting: Int) = 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()
+        else -> taken.formatDate()
+    }
 }