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Directory loading indicator

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This commit is contained in:
Matéo Duparc 2024-01-13 23:19:22 +01:00
parent f4e47c1827
commit b4635dc2e0
Signed by untrusted user: hardcoresushi
GPG Key ID: AFE384344A45E13A
2 changed files with 47 additions and 31 deletions
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42
app/src/main/java/sushi/hardcore/droidfs/explorers/BaseExplorerActivity.kt
View File

@ -11,10 +11,12 @@ import android.view.Menu
import android.view.MenuItem
import android.view.View
import android.widget.ImageButton
import android.widget.ProgressBar
import android.widget.TextView
import android.widget.Toast
import androidx.activity.addCallback
import androidx.core.content.ContextCompat
import androidx.core.view.isVisible
import androidx.lifecycle.ViewModel
import androidx.lifecycle.ViewModelProvider
import androidx.lifecycle.lifecycleScope
@ -23,10 +25,13 @@ import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.Job
import kotlinx.coroutines.MainScope
import kotlinx.coroutines.async
import kotlinx.coroutines.cancel
import kotlinx.coroutines.cancelAndJoin
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import kotlinx.coroutines.yield
import sushi.hardcore.droidfs.BaseActivity
import sushi.hardcore.droidfs.Constants
import sushi.hardcore.droidfs.EncryptedFileProvider
@ -69,6 +74,7 @@ open class BaseExplorerActivity : BaseActivity(), ExplorerElementAdapter.Listene
}
protected lateinit var fileOperationService: FileOperationService
protected val activityScope = MainScope()
private var directoryLoadingTask: Job? = null
protected lateinit var explorerElements: MutableList<ExplorerElement>
protected lateinit var explorerAdapter: ExplorerElementAdapter
protected lateinit var app: VolumeManagerApp
@ -79,6 +85,7 @@ open class BaseExplorerActivity : BaseActivity(), ExplorerElementAdapter.Listene
private lateinit var titleText: TextView
private lateinit var recycler_view_explorer: RecyclerView
private lateinit var refresher: SwipeRefreshLayout
private lateinit var loader: ProgressBar
private lateinit var textDirEmpty: TextView
private lateinit var currentPathText: TextView
private lateinit var numberOfFilesText: TextView
@ -101,6 +108,7 @@ open class BaseExplorerActivity : BaseActivity(), ExplorerElementAdapter.Listene
init()
recycler_view_explorer = findViewById(R.id.recycler_view_explorer)
refresher = findViewById(R.id.refresher)
loader = findViewById(R.id.loader)
textDirEmpty = findViewById(R.id.text_dir_empty)
currentPathText = findViewById(R.id.current_path_text)
numberOfFilesText = findViewById(R.id.number_of_files_text)
@ -312,17 +320,15 @@ open class BaseExplorerActivity : BaseActivity(), ExplorerElementAdapter.Listene
}
private fun displayExplorerElements() {
synchronized(this) {
ExplorerElement.sortBy(sortOrderValues[currentSortOrderIndex], foldersFirst, explorerElements)
}
unselectAll(false)
loader.isVisible = false
recycler_view_explorer.isVisible = true
explorerAdapter.explorerElements = explorerElements
val sharedPrefsEditor = sharedPrefs.edit()
sharedPrefsEditor.putString(Constants.SORT_ORDER_KEY, sortOrderValues[currentSortOrderIndex])
sharedPrefsEditor.apply()
}
private fun recursiveSetSize(directory: ExplorerElement) {
private suspend fun recursiveSetSize(directory: ExplorerElement) {
yield()
for (child in encryptedVolume.readDir(directory.fullPath) ?: return) {
if (child.isDirectory) {
recursiveSetSize(child)
@ -346,26 +352,25 @@ open class BaseExplorerActivity : BaseActivity(), ExplorerElementAdapter.Listene
}
}
protected fun setCurrentPath(path: String, onDisplayed: (() -> Unit)? = null) {
synchronized(this) {
explorerElements = encryptedVolume.readDir(path) ?: return
protected fun setCurrentPath(path: String, onDisplayed: (() -> Unit)? = null) = lifecycleScope.launch {
directoryLoadingTask?.cancelAndJoin()
recycler_view_explorer.isVisible = false
loader.isVisible = true
explorerElements = encryptedVolume.readDir(path) ?: return@launch
if (path != "/") {
explorerElements.add(
0,
ExplorerElement("..", Stat.parentFolderStat(), parentPath = currentDirectoryPath)
)
}
}
textDirEmpty.visibility = if (explorerElements.size == 0) View.VISIBLE else View.GONE
currentDirectoryPath = path
currentPathText.text = getString(R.string.location, currentDirectoryPath)
displayNumberOfElements(numberOfFilesText, R.string.one_file, R.string.multiple_files, explorerElements.count { it.isRegularFile })
displayNumberOfElements(numberOfFoldersText, R.string.one_folder, R.string.multiple_folders, explorerElements.count { it.isDirectory })
if (mapFolders) {
lifecycleScope.launch {
var totalSize: Long = 0
withContext(Dispatchers.IO) {
synchronized(this@BaseExplorerActivity) {
directoryLoadingTask = launch(Dispatchers.IO) {
for (element in explorerElements) {
if (element.isDirectory) {
recursiveSetSize(element)
@ -373,11 +378,10 @@ open class BaseExplorerActivity : BaseActivity(), ExplorerElementAdapter.Listene
totalSize += element.stat.size
}
}
}
directoryLoadingTask!!.join()
displayExplorerElements()
totalSizeText.text = getString(R.string.total_size, PathUtils.formatSize(totalSize))
onDisplayed?.invoke()
}
} else {
displayExplorerElements()
totalSizeText.text = getString(
@ -607,7 +611,13 @@ open class BaseExplorerActivity : BaseActivity(), ExplorerElementAdapter.Listene
.setTitle(R.string.sort_order)
.setSingleChoiceItems(sortOrderEntries, currentSortOrderIndex) { dialog, which ->
currentSortOrderIndex = which
// displayExplorerElements must not be called if directoryLoadingTask is active
if (directoryLoadingTask?.isActive != true) {
displayExplorerElements()
}
val sharedPrefsEditor = sharedPrefs.edit()
sharedPrefsEditor.putString(Constants.SORT_ORDER_KEY, sortOrderValues[currentSortOrderIndex])
sharedPrefsEditor.apply()
dialog.dismiss()
}
.setNegativeButton(R.string.cancel, null)

6
app/src/main/res/layout/explorer_content.xml
View File

@ -10,6 +10,12 @@
android:text="@string/dir_empty"
android:visibility="gone"/>
<ProgressBar
android:id="@+id/loader"
android:layout_centerInParent="true"
android:layout_width="40dp"
android:layout_height="40dp"/>
<androidx.swiperefreshlayout.widget.SwipeRefreshLayout
android:id="@+id/refresher"
android:layout_width="match_parent"