move a couple helper function to extensions

app/src/main/java/com/simplemobiletools/filemanager/Utils.kt

@@ -1,16 +1,9 @@
 package com.simplemobiletools.filemanager
 
-import android.Manifest
 import android.content.Context
-import android.content.pm.PackageManager
-import android.net.Uri
-import android.os.Build
-import android.support.v4.content.ContextCompat
-import android.support.v4.provider.DocumentFile
-import com.simplemobiletools.filemanager.extensions.isPathOnSD
-import com.simplemobiletools.filepicker.extensions.getSDCardPath
+import com.simplemobiletools.filepicker.extensions.getFileDocument
+import com.simplemobiletools.filepicker.extensions.needsStupidWritePermissions
 import com.simplemobiletools.filepicker.extensions.toast
-import java.util.regex.Pattern
 
 class Utils {
     companion object {
@@ -26,34 +19,8 @@ class Utils {
             context.toast(resId)
         }
 
-        fun hasStoragePermission(cxt: Context): Boolean {
-            return ContextCompat.checkSelfPermission(cxt, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED
-        }
+        fun needsStupidWritePermissions(context: Context, path: String) = context.needsStupidWritePermissions(path)
 
-        fun isNameValid(name: String): Boolean {
-            val pattern = Pattern.compile("^[-_.A-Za-z0-9()#& ]+$")
-            val matcher = pattern.matcher(name)
-            return matcher.matches()
-        }
-
-        fun needsStupidWritePermissions(context: Context, path: String) = isPathOnSD(context, path) && isKitkat() && !context.getSDCardPath().isEmpty()
-
-        fun isPathOnSD(context: Context, path: String): Boolean {
-            return context.isPathOnSD(path)
-        }
-
-        fun isKitkat() = Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT
-
-        fun getFileDocument(context: Context, path: String): DocumentFile {
-            val relativePath = path.substring(context.getSDCardPath().length + 1)
-            var document = DocumentFile.fromTreeUri(context, Uri.parse(Config.newInstance(context).treeUri))
-            val parts = relativePath.split("/")
-            for (part in parts) {
-                val currDocument = document.findFile(part)
-                if (currDocument != null)
-                    document = currDocument
-            }
-            return document
-        }
+        fun getFileDocument(context: Context, path: String, treeUri: String) = context.getFileDocument(path, treeUri)
     }
 }

app/src/main/java/com/simplemobiletools/filemanager/asynctasks/CopyTask.kt

@@ -4,9 +4,11 @@ import android.content.Context
 import android.os.AsyncTask
 import android.support.v4.util.Pair
 import android.util.Log
-import com.simplemobiletools.filemanager.Utils
-import com.simplemobiletools.filemanager.extensions.rescanItem
+import com.simplemobiletools.filemanager.Config
 import com.simplemobiletools.filemanager.fragments.ItemsFragment
+import com.simplemobiletools.filepicker.extensions.getFileDocument
+import com.simplemobiletools.filepicker.extensions.needsStupidWritePermissions
+import com.simplemobiletools.filepicker.extensions.rescanItem
 import java.io.*
 import java.lang.ref.WeakReference
 import java.util.*
@@ -15,10 +17,12 @@ class CopyTask(listener: CopyTask.CopyListener, val context: Context, val delete
     private val TAG = CopyTask::class.java.simpleName
     private var mListener: WeakReference<CopyListener>? = null
     private var mMovedFiles: ArrayList<File>
+    private var mConfig: Config
 
     init {
         mListener = WeakReference(listener)
         mMovedFiles = arrayListOf()
+        mConfig = Config.newInstance(context)
     }
 
     override fun doInBackground(vararg params: Pair<List<File>, File>): Boolean? {
@@ -39,8 +43,8 @@ class CopyTask(listener: CopyTask.CopyListener, val context: Context, val delete
 
         if (deleteAfterCopy) {
             for (file in mMovedFiles) {
-                if (Utils.needsStupidWritePermissions(context, file.absolutePath)) {
-                    Utils.getFileDocument(context, file.absolutePath).delete()
+                if (context.needsStupidWritePermissions(file.absolutePath)) {
+                    context.getFileDocument(file.absolutePath, mConfig.treeUri)
                 } else {
                     file.delete()
                 }
@@ -60,8 +64,8 @@ class CopyTask(listener: CopyTask.CopyListener, val context: Context, val delete
 
     private fun copyDirectory(source: File, destination: File) {
         if (!destination.exists()) {
-            if (Utils.needsStupidWritePermissions(context, destination.absolutePath)) {
-                val document = Utils.getFileDocument(context, destination.absolutePath)
+            if (context.needsStupidWritePermissions(destination.absolutePath)) {
+                val document = context.getFileDocument(destination.absolutePath, mConfig.treeUri)
                 document.createDirectory(destination.name)
             } else if (!destination.mkdirs()) {
                 throw IOException("Could not create dir ${destination.absolutePath}")
@@ -71,11 +75,11 @@ class CopyTask(listener: CopyTask.CopyListener, val context: Context, val delete
         val children = source.list()
         for (child in children) {
             val newFile = File(source, child)
-            if (Utils.needsStupidWritePermissions(context, destination.absolutePath)) {
+            if (context.needsStupidWritePermissions(destination.absolutePath)) {
                 if (newFile.isDirectory) {
                     copyDirectory(newFile, File(destination, child))
                 } else {
-                    var document = Utils.getFileDocument(context, destination.absolutePath)
+                    var document = context.getFileDocument(destination.absolutePath, mConfig.treeUri)
                     document = document.createFile("", child)
 
                     val inputStream = FileInputStream(newFile)
@@ -98,9 +102,10 @@ class CopyTask(listener: CopyTask.CopyListener, val context: Context, val delete
 
         val inputStream = FileInputStream(source)
         val out: OutputStream?
-        if (Utils.needsStupidWritePermissions(context, destination.absolutePath)) {
-            var document = Utils.getFileDocument(context, destination.absolutePath)
+        if (context.needsStupidWritePermissions(destination.absolutePath)) {
+            var document = context.getFileDocument(destination.absolutePath, mConfig.treeUri)
             document = document.createFile("", destination.name)
+
             out = context.contentResolver.openOutputStream(document.uri)
         } else {
             out = FileOutputStream(destination)

app/src/main/java/com/simplemobiletools/filemanager/fragments/ItemsFragment.java

@@ -472,7 +472,7 @@ public class ItemsFragment extends android.support.v4.app.Fragment
         }
 
         if (Utils.Companion.needsStupidWritePermissions(getContext(), item.getAbsolutePath())) {
-            final DocumentFile document = Utils.Companion.getFileDocument(getContext(), item.getAbsolutePath());
+            final DocumentFile document = Utils.Companion.getFileDocument(getContext(), item.getAbsolutePath(), mConfig.getTreeUri());
             document.delete();
         } else {
             item.delete();

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

@@ -13,12 +13,10 @@ import android.view.Menu
 import android.view.MenuItem
 import com.simplemobiletools.filemanager.Constants
 import com.simplemobiletools.filemanager.R
-import com.simplemobiletools.filemanager.Utils
 import com.simplemobiletools.filemanager.dialogs.WritePermissionDialog
 import com.simplemobiletools.filemanager.fragments.ItemsFragment
 import com.simplemobiletools.filepicker.dialogs.StoragePickerDialog
-import com.simplemobiletools.filepicker.extensions.getInternalStoragePath
-import com.simplemobiletools.filepicker.extensions.getSDCardPath
+import com.simplemobiletools.filepicker.extensions.*
 import com.simplemobiletools.filepicker.models.FileDirItem
 import com.simplemobiletools.filepicker.views.Breadcrumbs
 import kotlinx.android.synthetic.main.activity_main.*
@@ -39,7 +37,7 @@ class MainActivity : SimpleActivity(), ItemsFragment.ItemInteractionListener, Br
     }
 
     private fun tryInitFileManager() {
-        if (Utils.hasStoragePermission(applicationContext)) {
+        if (hasStoragePermission(applicationContext)) {
             initRootFileManager()
         } else {
             ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE), STORAGE_PERMISSION)
@@ -84,7 +82,7 @@ class MainActivity : SimpleActivity(), ItemsFragment.ItemInteractionListener, Br
         if (breadcrumbs.childCount <= 1) {
             if (!mWasBackJustPressed) {
                 mWasBackJustPressed = true
-                Utils.showToast(applicationContext, R.string.press_back_again)
+                toast(R.string.press_back_again)
                 Handler().postDelayed({ mWasBackJustPressed = false }, BACK_PRESS_TIMEOUT.toLong())
             } else {
                 finish()
@@ -103,7 +101,7 @@ class MainActivity : SimpleActivity(), ItemsFragment.ItemInteractionListener, Br
             if (grantResults.size > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                 initRootFileManager()
             } else {
-                Utils.showToast(applicationContext, R.string.no_permissions)
+                toast(R.string.no_permissions)
                 finish()
             }
         }
@@ -134,7 +132,7 @@ class MainActivity : SimpleActivity(), ItemsFragment.ItemInteractionListener, Br
     }
 
     fun checkStupidAndroidFiveSDCardWritePermission(pickedPath: String): Boolean {
-        return if (Utils.needsStupidWritePermissions(applicationContext, pickedPath) && mConfig.treeUri.isEmpty()) {
+        return if (applicationContext.needsStupidWritePermissions(pickedPath) && mConfig.treeUri.isEmpty()) {
             WritePermissionDialog(this, object : WritePermissionDialog.OnWritePermissionListener {
                 override fun onConfirmed() {
                     val intent = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE)

app/src/main/kotlin/com/simplemobiletools/filemanager/dialogs/CopyDialog.kt

@@ -8,14 +8,10 @@ import android.view.LayoutInflater
 import android.view.WindowManager
 import com.simplemobiletools.filemanager.Config
 import com.simplemobiletools.filemanager.R
-import com.simplemobiletools.filemanager.Utils
 import com.simplemobiletools.filemanager.activities.MainActivity
 import com.simplemobiletools.filemanager.asynctasks.CopyTask
-import com.simplemobiletools.filemanager.extensions.isPathOnSD
-import com.simplemobiletools.filemanager.extensions.rescanItem
-import com.simplemobiletools.filemanager.extensions.toast
 import com.simplemobiletools.filepicker.dialogs.FilePickerDialog
-import com.simplemobiletools.filepicker.extensions.humanizePath
+import com.simplemobiletools.filepicker.extensions.*
 import kotlinx.android.synthetic.main.copy_item.view.*
 import java.io.File
 
@@ -28,8 +24,8 @@ class CopyDialog(val activity: Activity, val files: List<File>, val copyListener
         var destinationPath = ""
         view.source.text = "${context.humanizePath(sourcePath)}/"
 
+        val config = Config.newInstance(context)
         view.destination.setOnClickListener {
-            val config = Config.newInstance(context)
             FilePickerDialog(activity, destinationPath, false, config.showHidden, object : FilePickerDialog.OnFilePickerListener {
                 override fun onFail(error: FilePickerDialog.FilePickerResult) {
                 }
@@ -74,7 +70,7 @@ class CopyDialog(val activity: Activity, val files: List<File>, val copyListener
                     }
                 }
 
-                if (Utils.needsStupidWritePermissions(context, destinationPath) && Config.newInstance(context).treeUri.isEmpty()) {
+                if (context.needsStupidWritePermissions(destinationPath) && config.treeUri.isEmpty()) {
                     WritePermissionDialog(activity, object : WritePermissionDialog.OnWritePermissionListener {
                         override fun onConfirmed() {
                             val intent = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE)
@@ -96,8 +92,8 @@ class CopyDialog(val activity: Activity, val files: List<File>, val copyListener
                         CopyTask(copyListener, context, true).execute(pair)
                         dismiss()
                     } else {
-                        for (f in files) {
-                            val destination = File(destinationDir, f.name)
+                        for (file in files) {
+                            val destination = File(destinationDir, file.name)
                             context.rescanItem(destination)
                         }
 

app/src/main/kotlin/com/simplemobiletools/filemanager/dialogs/CreateNewItemDialog.kt

@@ -5,10 +5,13 @@ import android.support.v7.app.AlertDialog
 import android.view.LayoutInflater
 import android.view.View
 import android.view.WindowManager
+import com.simplemobiletools.filemanager.Config
 import com.simplemobiletools.filemanager.R
-import com.simplemobiletools.filemanager.Utils
-import com.simplemobiletools.filemanager.extensions.toast
+import com.simplemobiletools.filemanager.extensions.isValidFilename
 import com.simplemobiletools.filemanager.extensions.value
+import com.simplemobiletools.filepicker.extensions.getFileDocument
+import com.simplemobiletools.filepicker.extensions.needsStupidWritePermissions
+import com.simplemobiletools.filepicker.extensions.toast
 import kotlinx.android.synthetic.main.create_new.view.*
 import java.io.File
 import java.io.IOException
@@ -29,7 +32,7 @@ class CreateNewItemDialog(val context: Context, val path: String, val listener:
                 val name = view.item_name.value
                 if (name.isEmpty()) {
                     context.toast(R.string.empty_name)
-                } else if (Utils.isNameValid(name)) {
+                } else if (name.isValidFilename()) {
                     val file = File(path, name)
                     if (file.exists()) {
                         context.toast(R.string.name_taken)
@@ -53,8 +56,8 @@ class CreateNewItemDialog(val context: Context, val path: String, val listener:
     }
 
     private fun createDirectory(file: File, alertDialog: AlertDialog): Boolean {
-        return if (Utils.needsStupidWritePermissions(context, path)) {
-            val documentFile = Utils.getFileDocument(context, file.absolutePath)
+        return if (context.needsStupidWritePermissions(path)) {
+            val documentFile = context.getFileDocument(file.absolutePath, Config.newInstance(context).treeUri)
             documentFile.createDirectory(file.name)
             success(alertDialog)
             true
@@ -71,8 +74,8 @@ class CreateNewItemDialog(val context: Context, val path: String, val listener:
 
     private fun createFile(file: File, alertDialog: AlertDialog): Boolean {
         try {
-            if (Utils.needsStupidWritePermissions(context, path)) {
-                val documentFile = Utils.getFileDocument(context, file.absolutePath)
+            if (context.needsStupidWritePermissions(path)) {
+                val documentFile = context.getFileDocument(file.absolutePath, Config.newInstance(context).treeUri)
                 documentFile.createFile("", file.name)
                 success(alertDialog)
                 return true

app/src/main/kotlin/com/simplemobiletools/filemanager/dialogs/RenameItemDialog.kt

@@ -1,15 +1,17 @@
 package com.simplemobiletools.filemanager.dialogs
 
 import android.content.Context
-import android.media.MediaScannerConnection
 import android.support.v7.app.AlertDialog
 import android.view.LayoutInflater
 import android.view.WindowManager
+import com.simplemobiletools.filemanager.Config
 import com.simplemobiletools.filemanager.R
-import com.simplemobiletools.filemanager.Utils
-import com.simplemobiletools.filemanager.extensions.rescanItem
-import com.simplemobiletools.filemanager.extensions.toast
+import com.simplemobiletools.filemanager.extensions.isValidFilename
 import com.simplemobiletools.filemanager.extensions.value
+import com.simplemobiletools.filepicker.extensions.getFileDocument
+import com.simplemobiletools.filepicker.extensions.needsStupidWritePermissions
+import com.simplemobiletools.filepicker.extensions.rescanItem
+import com.simplemobiletools.filepicker.extensions.toast
 import com.simplemobiletools.filepicker.models.FileDirItem
 import kotlinx.android.synthetic.main.rename_item.view.*
 import java.io.File
@@ -30,7 +32,7 @@ class RenameItemDialog(val context: Context, val path: String, val item: FileDir
             show()
             getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener({
                 val newName = view.item_name.value
-                if (Utils.isNameValid(newName)) {
+                if (newName.isValidFilename()) {
                     val currFile = File(path, item.name)
                     val newFile = File(path, newName)
 
@@ -39,8 +41,8 @@ class RenameItemDialog(val context: Context, val path: String, val item: FileDir
                         return@setOnClickListener
                     }
 
-                    if (Utils.needsStupidWritePermissions(context, path)) {
-                        val document = Utils.getFileDocument(context, currFile.absolutePath)
+                    if (context.needsStupidWritePermissions(path)) {
+                        val document = context.getFileDocument(currFile.absolutePath, Config.newInstance(context).treeUri)
                         if (document.canWrite())
                             document.renameTo(newName)
                         sendSuccess(currFile, newFile)
@@ -61,8 +63,8 @@ class RenameItemDialog(val context: Context, val path: String, val item: FileDir
     }
 
     private fun sendSuccess(currFile: File, newFile: File) {
+        context.rescanItem(currFile)
         context.rescanItem(newFile)
-        MediaScannerConnection.scanFile(context, arrayOf(currFile.absolutePath, newFile.absolutePath), null, null)
         listener.onSuccess()
     }
 

app/src/main/kotlin/com/simplemobiletools/filemanager/extensions/context.kt

@@ -1,21 +0,0 @@
-package com.simplemobiletools.filemanager.extensions
-
-import android.content.Context
-import android.media.MediaScannerConnection
-import android.widget.Toast
-import com.simplemobiletools.filepicker.extensions.getSDCardPath
-import java.io.File
-
-fun Context.toast(id: Int) = Toast.makeText(this, resources.getString(id), Toast.LENGTH_SHORT).show()
-
-fun Context.rescanItem(item: File) {
-    if (item.isDirectory) {
-        for (child in item.listFiles()) {
-            rescanItem(child)
-        }
-    }
-
-    MediaScannerConnection.scanFile(this, arrayOf(item.absolutePath), null, null)
-}
-
-fun Context.isPathOnSD(path: String) = path.startsWith(getSDCardPath())

app/src/main/kotlin/com/simplemobiletools/filemanager/extensions/string.kt

@@ -0,0 +1,9 @@
+package com.simplemobiletools.filemanager.extensions
+
+import java.util.regex.Pattern
+
+fun String.isValidFilename(): Boolean {
+    val pattern = Pattern.compile("^[-_.A-Za-z0-9()#& ]+$")
+    val matcher = pattern.matcher(this)
+    return matcher.matches()
+}