more efficient way to search subdirs

This commit is contained in:
Austin Huang 2021-06-30 17:44:48 -04:00
parent e8fd989558
commit a6b2031950
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GPG Key ID: 84C23AA04587A91F
5 changed files with 62 additions and 27 deletions

View File

@ -180,6 +180,7 @@ dependencies {
implementation "androidx.constraintlayout:constraintlayout:2.0.4"
implementation "androidx.preference:preference:1.1.1"
implementation 'androidx.palette:palette:1.0.0'
implementation 'androidx.documentfile:documentfile:1.0.1'
implementation 'com.google.guava:guava:27.0.1-android'

View File

@ -52,7 +52,7 @@ class CameraActivity : BaseLanguageActivity() {
setContentView(binding.root)
Utils.transparentStatusBar(this, true, false)
displayManager = getSystemService(DISPLAY_SERVICE) as DisplayManager
outputDirectory = DownloadUtils.getCameraDir()
outputDirectory = DownloadUtils.cameraDir
cameraExecutor = Executors.newSingleThreadExecutor()
displayManager.registerDisplayListener(displayListener, null)
binding.viewFinder.post {

View File

@ -36,6 +36,7 @@ object DownloadUtils {
private const val DIR_RECORDINGS = "Sent Recordings"
private const val DIR_TEMP = "Temp"
private const val DIR_BACKUPS = "Backups"
private val dirMap: MutableMap<String, DocumentFile?> = mutableMapOf()
private var root: DocumentFile? = null
@JvmStatic
@Throws(ReselectDocumentTreeException::class)
@ -48,18 +49,15 @@ object DownloadUtils {
}
val uri = Uri.parse(barinstaDirUri)
if (!barinstaDirUri!!.startsWith("content://com.android.externalstorage.documents")) {
// reselect the folder in selector view
throw ReselectDocumentTreeException(uri)
}
val existingPermissions = context.contentResolver.persistedUriPermissions
if (existingPermissions.isEmpty()) {
// reselect the folder in selector view
throw ReselectDocumentTreeException(uri)
}
val anyMatch = existingPermissions.stream()
.anyMatch { uriPermission: UriPermission -> uriPermission.uri == uri }
if (!anyMatch) {
// reselect the folder in selector view
throw ReselectDocumentTreeException(uri)
}
root = DocumentFile.fromTreeUri(context, uri)
@ -68,24 +66,59 @@ object DownloadUtils {
throw ReselectDocumentTreeException(uri)
}
Utils.settingsHelper.putString(PreferenceKeys.PREF_BARINSTA_DIR_URI, uri.toString())
// set up directories
val dirKeys = listOf(DIR_DOWNLOADS, DIR_CAMERA, DIR_EDIT, DIR_RECORDINGS, DIR_TEMP, DIR_BACKUPS)
dirMap.putAll(checkSubDirs(context, root, dirKeys, true))
}
fun destroy() {
root = null
dirMap.clear()
}
fun getDownloadDir(vararg dirs: String?): DocumentFile? {
fun checkSubDirs(context: Context,
parent: DocumentFile?,
queries: List<String>,
create: Boolean): Map<String, DocumentFile?> {
// first we'll find existing ones
val result: MutableMap<String, DocumentFile?> = mutableMapOf()
if (parent == null) return result.toMap()
val parentUri = parent.uri
val docId = DocumentsContract.getTreeDocumentId(parentUri)
val docUri = DocumentsContract.buildChildDocumentsUriUsingTree(parentUri, docId)
val docCursor = context.contentResolver.query(
docUri, arrayOf(
DocumentsContract.Document.COLUMN_DISPLAY_NAME,
DocumentsContract.Document.COLUMN_DOCUMENT_ID,
DocumentsContract.Document.COLUMN_MIME_TYPE
), null, null, null
)
if (docCursor == null) return result.toMap()
while (docCursor.moveToNext()) {
if (!DocumentsContract.Document.MIME_TYPE_DIR.equals(docCursor.getString(2)) || !queries.contains(docCursor.getString(0)))
continue
val userFolderUri = DocumentsContract.buildDocumentUriUsingTree(parentUri, docCursor.getString(1))
val dir = DocumentFile.fromTreeUri(context, userFolderUri)
Log.d("austin_debug", userFolderUri.toString() + " " + dir!!.uri.toString())
result.put(docCursor.getString(0), dir)
}
docCursor.close()
// next we'll create inexistent ones
if (create) {
for (k in queries) {
if (result.get(k) == null) {
result.put(k, parent.createDirectory(k))
}
}
}
return result.toMap()
}
fun getDownloadDir(dir: String): DocumentFile? {
if (root == null) {
return null
}
var subDir = root
for (dir in dirs) {
if (subDir == null || isEmpty(dir)) continue
val subDirFile = subDir.findFile(dir!!)
val exists = subDirFile != null && subDirFile.exists()
subDir = if (exists) subDirFile else subDir.createDirectory(dir)
}
return subDir
return dirMap.get(dir)
}
@JvmStatic
@ -93,23 +126,24 @@ object DownloadUtils {
get() = getDownloadDir(DIR_DOWNLOADS)
@JvmStatic
fun getCameraDir(): DocumentFile? {
return getDownloadDir(DIR_CAMERA)
val cameraDir: DocumentFile?
get() = getDownloadDir(DIR_CAMERA)
@JvmStatic
fun getImageEditDir(sessionId: String?, context: Context): DocumentFile? {
val editRoot = getDownloadDir(DIR_EDIT)
if (sessionId == null) return editRoot
val result = checkSubDirs(context, editRoot, listOf(sessionId), true)
return result.get(sessionId)
}
@JvmStatic
fun getImageEditDir(sessionId: String?): DocumentFile? {
return getDownloadDir(DIR_EDIT, sessionId)
}
fun getRecordingsDir(): DocumentFile? {
return getDownloadDir(DIR_RECORDINGS)
}
val recordingsDir: DocumentFile?
get() = getDownloadDir(DIR_RECORDINGS)
@JvmStatic
fun getBackupsDir(): DocumentFile? {
return getDownloadDir(DIR_BACKUPS)
}
val backupsDir: DocumentFile?
get() = getDownloadDir(DIR_BACKUPS)
// @Nullable
// private static DocumentFile getDownloadDir(@NonNull final Context context, @Nullable final String username) {

View File

@ -34,7 +34,7 @@ class DirectThreadViewModel(
// private static final String ERROR_INVALID_THREAD = "Invalid thread";
private val contentResolver: ContentResolver = application.contentResolver
private val recordingsDir: DocumentFile? = DownloadUtils.getRecordingsDir()
private val recordingsDir: DocumentFile? = DownloadUtils.recordingsDir
private var voiceRecorder: VoiceRecorder? = null
private lateinit var threadManager: ThreadManager

View File

@ -59,7 +59,7 @@ public class ImageEditViewModel extends AndroidViewModel {
public ImageEditViewModel(final Application application) {
super(application);
sessionId = LocalDateTime.now().format(SIMPLE_DATE_FORMAT);
outputDir = DownloadUtils.getImageEditDir(sessionId);
outputDir = DownloadUtils.getImageEditDir(sessionId, application);
destinationFile = outputDir.createFile(MIME_TYPE, RESULT + ".jpg");
destinationUri = destinationFile.getUri();
cropDestinationUri = outputDir.createFile(MIME_TYPE, CROP + ".jpg").getUri();