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more attempt to optimize the media fetching process

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This commit is contained in:
tibbi 2017-02-24 23:41:27 +01:00
parent 513694c117
commit 19093b989f
2 changed files with 30 additions and 47 deletions
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51
app/src/main/kotlin/com/simplemobiletools/gallery/asynctasks/GetDirectoriesAsynctask.kt
View file

@ -2,9 +2,6 @@ package com.simplemobiletools.gallery.asynctasks
import android.content.Context
import android.os.AsyncTask
import com.simplemobiletools.commons.extensions.isGif
import com.simplemobiletools.commons.extensions.isImageFast
import com.simplemobiletools.commons.extensions.isVideoFast
import com.simplemobiletools.gallery.R
import com.simplemobiletools.gallery.extensions.config
import com.simplemobiletools.gallery.extensions.containsNoMedia
@ -21,6 +18,13 @@ class GetDirectoriesAsynctask(val context: Context, val isPickVideo: Boolean, va
val callback: (dirs: ArrayList<Directory>) -> Unit) : AsyncTask<Void, Void, ArrayList<Directory>>() {
var config = context.config
val photoExtensions = arrayOf("jpg", "png", "jpeg", "bmp", "webp", "tiff")
val videoExtensions = arrayOf("webm", "mkv", "flv", "vob", "avi", "wmv", "mp4", "ogv", "qt", "m4p", "mpg", "m4v", "mp2", "mpeg", "3gp")
private fun localIsImage(path: String) = photoExtensions.any { path.endsWith(".$it", true) }
private fun localIsGif(path: String) = path.endsWith(".gif", true)
private fun localIsVideo(path: String) = videoExtensions.any { path.endsWith(".$it", true) }
override fun doInBackground(vararg params: Void): ArrayList<Directory> {
val directories = LinkedHashMap<String, Directory>()
val media = ArrayList<Medium>()
@ -28,31 +32,34 @@ class GetDirectoriesAsynctask(val context: Context, val isPickVideo: Boolean, va
val fileSorting = config.fileSorting
val parents = context.getParents()
parents.mapNotNull { File(it).listFiles() }
.forEach {
for (file in it) {
val isImage = file.isImageFast() || file.isGif()
val isVideo = file.isVideoFast()
parents.map {
val paths = File(it).list()
if (paths?.size ?: 0 > 0) {
for (path in paths) {
val isImage = localIsGif(path) or localIsImage(path)
val isVideo = if (isImage) false else localIsVideo(path)
if (!isImage && !isVideo)
continue
if (!isImage && !isVideo)
continue
if (isVideo && (isPickImage || showMedia == IMAGES))
continue
if (isVideo && (isPickImage || showMedia == IMAGES))
continue
if (isImage && (isPickVideo || showMedia == VIDEOS))
continue
if (isImage && (isPickVideo || showMedia == VIDEOS))
continue
val size = file.length()
if (size == 0L)
continue
val file = File(it, path)
val size = file.length()
if (size == 0L)
continue
val name = file.name
val path = file.absolutePath
val dateModified = file.lastModified()
media.add(Medium(name, path, isVideo, dateModified, dateModified, size))
}
val name = file.name
val dateModified = file.lastModified()
val medium = Medium(name, file.absolutePath, false, dateModified, dateModified, size)
media.add(medium)
}
}
}
Medium.sorting = fileSorting
media.sort()

26
app/src/main/kotlin/com/simplemobiletools/gallery/extensions/context.kt
View file

@ -49,29 +49,6 @@ 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)
@ -92,8 +69,7 @@ fun Context.getParents(): ArrayList<String> {
cursor?.close()
}
val mediaFolders = getMediaFolders()
parentsSet.filterTo(parents, { mediaFolders.contains(it) || hasImageVideoGif(File(it)) })
parentsSet.mapTo(parents, { it })
if (config.showHiddenFolders) {
parents.addAll(getNoMediaFolders())