handle picking multiple items at get_content too

app/src/main/kotlin/com/simplemobiletools/filemanager/activities/MainActivity.kt

@@ -1,6 +1,7 @@
 package com.simplemobiletools.filemanager.activities
 
 import android.app.Activity
+import android.content.ClipData
 import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
@@ -30,7 +31,6 @@ import java.util.*
 class MainActivity : SimpleActivity() {
     private val BACK_PRESS_TIMEOUT = 5000
     private var wasBackJustPressed = false
-    private var isGetContentIntent = false
 
     private lateinit var fragment: ItemsFragment
 
@@ -40,8 +40,10 @@ class MainActivity : SimpleActivity() {
         storeStoragePaths()
 
         fragment = fragment_holder as ItemsFragment
-        isGetContentIntent = intent.action == Intent.ACTION_GET_CONTENT
+        val isGetContentIntent = intent.action == Intent.ACTION_GET_CONTENT
+        val allowPickingMultiple = intent.getBooleanExtra(Intent.EXTRA_ALLOW_MULTIPLE, false)
         fragment.isGetContentIntent = isGetContentIntent
+        fragment.isPickMultipleIntent = allowPickingMultiple
 
         tryInitFileManager()
         checkWhatsNewDialog()
@@ -205,6 +207,20 @@ class MainActivity : SimpleActivity() {
         finish()
     }
 
+    fun pickedPaths(paths: ArrayList<String>) {
+        val uris = paths.map { Uri.fromFile(File(it)) } as ArrayList
+        val clipData = ClipData("Attachment", arrayOf(uris.getMimeType()), ClipData.Item(uris.removeAt(0)))
+
+        uris.forEach {
+            clipData.addItem(ClipData.Item(it))
+        }
+
+        val resultIntent = Intent()
+        resultIntent.clipData = clipData
+        setResult(Activity.RESULT_OK, resultIntent)
+        finish()
+    }
+
     private fun checkWhatsNewDialog() {
         arrayListOf<Release>().apply {
             add(Release(26, R.string.release_26))

app/src/main/kotlin/com/simplemobiletools/filemanager/adapters/ItemsAdapter.kt

@@ -37,9 +37,8 @@ import java.util.zip.ZipEntry
 import java.util.zip.ZipFile
 import java.util.zip.ZipOutputStream
 
-
+class ItemsAdapter(val activity: SimpleActivity, var mItems: MutableList<FileDirItem>, val listener: ItemOperationsListener?, val isPickMultipleIntent: Boolean,
-class ItemsAdapter(val activity: SimpleActivity, var mItems: MutableList<FileDirItem>, val listener: ItemOperationsListener?, val itemClick: (FileDirItem) -> Unit) :
+                   val itemClick: (FileDirItem) -> Unit) : RecyclerView.Adapter<ItemsAdapter.ViewHolder>() {
-        RecyclerView.Adapter<ItemsAdapter.ViewHolder>() {
     private var textColor = activity.config.textColor
 
     private val multiSelector = MultiSelector()
@@ -101,6 +100,7 @@ class ItemsAdapter(val activity: SimpleActivity, var mItems: MutableList<FileDir
     private val multiSelectorMode = object : ModalMultiSelectorCallback(multiSelector) {
         override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean {
             when (item.itemId) {
+                R.id.cab_confirm_selection -> confirmSelection()
                 R.id.cab_rename -> displayRenameDialog()
                 R.id.cab_properties -> showProperties()
                 R.id.cab_share -> shareFiles()
@@ -125,6 +125,7 @@ class ItemsAdapter(val activity: SimpleActivity, var mItems: MutableList<FileDir
         override fun onPrepareActionMode(actionMode: ActionMode?, menu: Menu): Boolean {
             menu.findItem(R.id.cab_rename).isVisible = selectedPositions.size <= 1
             menu.findItem(R.id.cab_decompress).isVisible = getSelectedMedia().map { it.path }.any { it.isZipFile() }
+            menu.findItem(R.id.cab_confirm_selection).isVisible = isPickMultipleIntent
             return true
         }
 
@@ -138,6 +139,11 @@ class ItemsAdapter(val activity: SimpleActivity, var mItems: MutableList<FileDir
         }
     }
 
+    private fun confirmSelection() {
+        val paths = getSelectedMedia().filter { !it.isDirectory }.map { it.path } as ArrayList<String>
+        listener?.selectedPaths(paths)
+    }
+
     private fun displayRenameDialog() {
         RenameItemDialog(activity, getSelectedMedia()[0].path) {
             activity.runOnUiThread {
@@ -559,5 +565,7 @@ class ItemsAdapter(val activity: SimpleActivity, var mItems: MutableList<FileDir
         fun deleteFiles(files: ArrayList<File>)
 
         fun itemLongClicked(position: Int)
+
+        fun selectedPaths(paths: ArrayList<String>)
     }
 }

app/src/main/kotlin/com/simplemobiletools/filemanager/fragments/ItemsFragment.kt

@@ -35,6 +35,7 @@ import kotlin.collections.ArrayList
 class ItemsFragment : Fragment(), ItemsAdapter.ItemOperationsListener, Breadcrumbs.BreadcrumbsListener {
     var currentPath = ""
     var isGetContentIntent = false
+    var isPickMultipleIntent = false
 
     private var storedTextColor = 0
     private var showHidden = false
@@ -121,7 +122,7 @@ class ItemsFragment : Fragment(), ItemsAdapter.ItemOperationsListener, Breadcrum
                 val currAdapter = items_list.adapter
                 if (currAdapter == null) {
                     items_list.apply {
-                        this.adapter = ItemsAdapter(activity as SimpleActivity, storedItems, this@ItemsFragment) {
+                        this.adapter = ItemsAdapter(activity as SimpleActivity, storedItems, this@ItemsFragment, isPickMultipleIntent) {
                             itemClicked(it)
                         }
 
@@ -310,4 +311,8 @@ class ItemsFragment : Fragment(), ItemsAdapter.ItemOperationsListener, Breadcrum
     override fun itemLongClicked(position: Int) {
         items_list.setDragSelectActive(position)
     }
+
+    override fun selectedPaths(paths: ArrayList<String>) {
+        (activity as MainActivity).pickedPaths(paths)
+    }
 }

app/src/main/res/menu/cab.xml

@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
       xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/cab_confirm_selection"
+        android:icon="@drawable/ic_check"
+        android:title="@string/confirm_selection"
+        app:showAsAction="ifRoom"/>
     <item
         android:id="@+id/cab_properties"
         android:icon="@drawable/ic_info"