Android: Fix various issues with the DocumentProvider
Fixes copying & deleting folders and copy conflict handling.
This commit is contained in:
parent
1596b13743
commit
57ed5320b5
|
@ -54,7 +54,6 @@ class DocumentProvider : DocumentsProvider() {
|
||||||
|
|
||||||
override fun queryRoots(projection: Array<String>?): Cursor {
|
override fun queryRoots(projection: Array<String>?): Cursor {
|
||||||
val result = MatrixCursor(projection ?: DEFAULT_ROOT_PROJECTION)
|
val result = MatrixCursor(projection ?: DEFAULT_ROOT_PROJECTION)
|
||||||
rootDirectory = rootDirectory ?: DirectoryInitialization.getUserDirectoryPath(context)
|
|
||||||
rootDirectory ?: return result
|
rootDirectory ?: return result
|
||||||
|
|
||||||
result.newRow().apply {
|
result.newRow().apply {
|
||||||
|
@ -73,7 +72,6 @@ class DocumentProvider : DocumentsProvider() {
|
||||||
|
|
||||||
override fun queryDocument(documentId: String, projection: Array<String>?): Cursor {
|
override fun queryDocument(documentId: String, projection: Array<String>?): Cursor {
|
||||||
val result = MatrixCursor(projection ?: DEFAULT_DOCUMENT_PROJECTION)
|
val result = MatrixCursor(projection ?: DEFAULT_DOCUMENT_PROJECTION)
|
||||||
rootDirectory = rootDirectory ?: DirectoryInitialization.getUserDirectoryPath(context)
|
|
||||||
rootDirectory ?: return result
|
rootDirectory ?: return result
|
||||||
val file = documentIdToPath(documentId)
|
val file = documentIdToPath(documentId)
|
||||||
appendDocument(file, result)
|
appendDocument(file, result)
|
||||||
|
@ -102,7 +100,9 @@ class DocumentProvider : DocumentsProvider() {
|
||||||
documentId: String,
|
documentId: String,
|
||||||
mode: String,
|
mode: String,
|
||||||
signal: CancellationSignal?
|
signal: CancellationSignal?
|
||||||
): ParcelFileDescriptor {
|
): ParcelFileDescriptor? {
|
||||||
|
rootDirectory ?: return null
|
||||||
|
|
||||||
val file = documentIdToPath(documentId)
|
val file = documentIdToPath(documentId)
|
||||||
return ParcelFileDescriptor.open(file, ParcelFileDescriptor.parseMode(mode))
|
return ParcelFileDescriptor.open(file, ParcelFileDescriptor.parseMode(mode))
|
||||||
}
|
}
|
||||||
|
@ -111,7 +111,9 @@ class DocumentProvider : DocumentsProvider() {
|
||||||
parentDocumentId: String,
|
parentDocumentId: String,
|
||||||
mimeType: String,
|
mimeType: String,
|
||||||
displayName: String
|
displayName: String
|
||||||
): String {
|
): String? {
|
||||||
|
rootDirectory ?: return null
|
||||||
|
|
||||||
val folder = documentIdToPath(parentDocumentId)
|
val folder = documentIdToPath(parentDocumentId)
|
||||||
val file = findFileNameForNewFile(File(folder, displayName))
|
val file = findFileNameForNewFile(File(folder, displayName))
|
||||||
if (mimeType == DocumentsContract.Document.MIME_TYPE_DIR) {
|
if (mimeType == DocumentsContract.Document.MIME_TYPE_DIR) {
|
||||||
|
@ -122,52 +124,36 @@ class DocumentProvider : DocumentsProvider() {
|
||||||
return pathToDocumentId(file)
|
return pathToDocumentId(file)
|
||||||
}
|
}
|
||||||
|
|
||||||
override fun copyDocument(sourceDocumentId: String, targetParentDocumentId: String): String {
|
override fun deleteDocument(documentId: String) {
|
||||||
val file = documentIdToPath(sourceDocumentId)
|
rootDirectory ?: return
|
||||||
val target = documentIdToPath(targetParentDocumentId)
|
|
||||||
val copy = copyRecursively(file, File(target, file.name))
|
|
||||||
return pathToDocumentId(copy)
|
|
||||||
}
|
|
||||||
|
|
||||||
override fun removeDocument(documentId: String, parentDocumentId: String) {
|
|
||||||
val file = documentIdToPath(documentId)
|
val file = documentIdToPath(documentId)
|
||||||
file.deleteRecursively()
|
file.deleteRecursively()
|
||||||
}
|
}
|
||||||
|
|
||||||
override fun moveDocument(
|
override fun renameDocument(documentId: String, displayName: String): String? {
|
||||||
sourceDocumentId: String,
|
rootDirectory ?: return null
|
||||||
sourceParentDocumentId: String,
|
|
||||||
targetParentDocumentId: String
|
val file = documentIdToPath(documentId)
|
||||||
): String {
|
val dest = findFileNameForNewFile(File(file.parentFile, displayName))
|
||||||
val copy = copyDocument(sourceDocumentId, targetParentDocumentId)
|
file.renameTo(dest)
|
||||||
val file = documentIdToPath(sourceDocumentId)
|
return pathToDocumentId(dest)
|
||||||
file.delete()
|
|
||||||
return copy
|
|
||||||
}
|
}
|
||||||
|
|
||||||
override fun renameDocument(documentId: String, displayName: String): String {
|
override fun isChildDocument(parentDocumentId: String, documentId: String): Boolean
|
||||||
val file = documentIdToPath(documentId)
|
= documentId.startsWith(parentDocumentId)
|
||||||
file.renameTo(findFileNameForNewFile(File(file.parentFile, displayName)))
|
|
||||||
return pathToDocumentId(file)
|
|
||||||
}
|
|
||||||
|
|
||||||
override fun isChildDocument(parentDocumentId: String, documentId: String): Boolean {
|
|
||||||
val file = documentIdToPath(documentId)
|
|
||||||
val folder = documentIdToPath(parentDocumentId)
|
|
||||||
return file.relativeToOrNull(folder) != null
|
|
||||||
}
|
|
||||||
|
|
||||||
private fun appendDocument(file: File, cursor: MatrixCursor) {
|
private fun appendDocument(file: File, cursor: MatrixCursor) {
|
||||||
var flags = 0
|
var flags = 0
|
||||||
if (file.isDirectory && file.canWrite()) {
|
if (file.canWrite()) {
|
||||||
flags = DocumentsContract.Document.FLAG_DIR_SUPPORTS_CREATE
|
flags = if (file.isDirectory) {
|
||||||
} else if (file.canWrite()) {
|
DocumentsContract.Document.FLAG_DIR_SUPPORTS_CREATE
|
||||||
flags = DocumentsContract.Document.FLAG_SUPPORTS_WRITE
|
} else {
|
||||||
|
DocumentsContract.Document.FLAG_SUPPORTS_WRITE
|
||||||
|
}
|
||||||
flags = flags or DocumentsContract.Document.FLAG_SUPPORTS_DELETE
|
flags = flags or DocumentsContract.Document.FLAG_SUPPORTS_DELETE
|
||||||
flags = flags or DocumentsContract.Document.FLAG_SUPPORTS_REMOVE
|
|
||||||
flags = flags or DocumentsContract.Document.FLAG_SUPPORTS_MOVE
|
|
||||||
flags = flags or DocumentsContract.Document.FLAG_SUPPORTS_COPY
|
|
||||||
flags = flags or DocumentsContract.Document.FLAG_SUPPORTS_RENAME
|
flags = flags or DocumentsContract.Document.FLAG_SUPPORTS_RENAME
|
||||||
|
// The system will handle copy + move for us
|
||||||
}
|
}
|
||||||
|
|
||||||
val name = if (file == rootDirectory) {
|
val name = if (file == rootDirectory) {
|
||||||
|
@ -217,22 +203,6 @@ class DocumentProvider : DocumentsProvider() {
|
||||||
unusedFile = File("$pathWithoutExtension.$i.$extension")
|
unusedFile = File("$pathWithoutExtension.$i.$extension")
|
||||||
i++
|
i++
|
||||||
}
|
}
|
||||||
return file
|
return unusedFile
|
||||||
}
|
|
||||||
|
|
||||||
private fun copyRecursively(src: File, dst: File): File {
|
|
||||||
val actualDst = findFileNameForNewFile(dst)
|
|
||||||
if (src.isDirectory) {
|
|
||||||
actualDst.mkdirs()
|
|
||||||
val children = src.listFiles()
|
|
||||||
if (children !== null) {
|
|
||||||
for (file in children) {
|
|
||||||
copyRecursively(file, File(actualDst, file.name))
|
|
||||||
}
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
src.copyTo(actualDst)
|
|
||||||
}
|
|
||||||
return actualDst
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in New Issue