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add a helper function for fast getting folders with media

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This commit is contained in:
tibbi 2017-02-24 22:02:09 +01:00
parent 30c7b9b055
commit 513694c117
1 changed files with 30 additions and 4 deletions
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34
app/src/main/kotlin/com/simplemobiletools/gallery/extensions/context.kt
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@ -49,13 +49,36 @@ fun Context.launchSettings() {
startActivity(Intent(this, SettingsActivity::class.java))
}
fun Context.getMediaFolders(): Set<String> {
val uri = MediaStore.Files.getContentUri("external")
val where = "${MediaStore.Files.FileColumns.MEDIA_TYPE} = ? OR ${MediaStore.Files.FileColumns.MEDIA_TYPE} = ?"
val args = arrayOf(MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE.toString(), MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO.toString())
val columns = arrayOf(MediaStore.Files.FileColumns.PARENT, MediaStore.Images.Media.DATA)
val parentsSet = HashSet<String>()
var cursor: Cursor? = null
try {
cursor = contentResolver.query(uri, columns, where, args, null)
if (cursor?.moveToFirst() == true) {
do {
val curPath = cursor.getStringValue(MediaStore.Images.Media.DATA) ?: ""
parentsSet.add(File(curPath).parent)
} while (cursor.moveToNext())
}
} finally {
cursor?.close()
}
return parentsSet
}
fun Context.getParents(): ArrayList<String> {
val uri = MediaStore.Files.getContentUri("external")
val columns = arrayOf(MediaStore.Images.Media.DATA)
var cursor: Cursor? = null
val parents = ArrayList<String>()
val parentsSet = HashSet<String>()
var cursor: Cursor? = null
try {
cursor = contentResolver.query(uri, columns, null, null, null)
if (cursor?.moveToFirst() == true) {
@ -69,13 +92,15 @@ fun Context.getParents(): ArrayList<String> {
cursor?.close()
}
parentsSet.filterTo(parents, { hasImageVideoGif(File(it)) })
val mediaFolders = getMediaFolders()
parentsSet.filterTo(parents, { mediaFolders.contains(it) || hasImageVideoGif(File(it)) })
if (config.showHiddenFolders) {
parents.addAll(getNoMediaFolders())
} else {
removeNoMediaFolders(parents)
}
return parents
}
@ -123,7 +148,8 @@ fun Context.getNoMediaFolders(): ArrayList<String> {
fun hasImageVideoGif(dir: File): Boolean {
if (dir.isDirectory) {
dir.listFiles()?.filter(File::isImageVideoGif)?.any { return true }
val files = dir.listFiles() ?: return false
files.filter(File::isImageVideoGif).any { return true }
}
return false
}