android: Use Skyline's document provider
This commit is contained in:
Charles Lombardo
bunnei
parent
55e4c2d87b
commit
515f3deea1
3 changed files with 319 additions and 4 deletions
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@ -74,6 +74,18 @@
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android:name="android.support.FILE_PROVIDER_PATHS"
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android:resource="@xml/nnf_provider_paths" />
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</provider>
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<provider
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android:name=".features.DocumentProvider"
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android:authorities="${applicationId}.user"
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android:grantUriPermissions="true"
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android:exported="true"
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android:permission="android.permission.MANAGE_DOCUMENTS">
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<intent-filter>
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<action android:name="android.content.action.DOCUMENTS_PROVIDER" />
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</intent-filter>
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</provider>
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</application>
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</manifest>
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@ -8,9 +8,12 @@ import android.app.NotificationChannel
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import android.app.NotificationManager
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import android.content.Context
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import org.yuzu.yuzu_emu.model.GameDatabase
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import org.yuzu.yuzu_emu.utils.DirectoryInitialization.start
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import org.yuzu.yuzu_emu.utils.DirectoryInitialization
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import org.yuzu.yuzu_emu.utils.DocumentsTree
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import org.yuzu.yuzu_emu.utils.GpuDriverHelper
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import java.io.File
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fun Context.getPublicFilesDir() : File = getExternalFilesDir(null) ?: filesDir
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class YuzuApplication : Application() {
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private fun createNotificationChannel() {
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@ -36,7 +39,7 @@ class YuzuApplication : Application() {
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super.onCreate()
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application = this
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documentsTree = DocumentsTree()
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start(applicationContext)
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DirectoryInitialization.start(applicationContext)
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GpuDriverHelper.initializeDriverParameters(applicationContext)
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NativeLibrary.LogDeviceInfo()
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@ -50,10 +53,10 @@ class YuzuApplication : Application() {
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@JvmField
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var documentsTree: DocumentsTree? = null
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private var application: YuzuApplication? = null
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lateinit var application: YuzuApplication
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@JvmStatic
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val appContext: Context
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get() = application!!.applicationContext
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get() = application.applicationContext
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}
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}
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@ -0,0 +1,300 @@
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// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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// SPDX-License-Identifier: MPL-2.0
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// Copyright © 2023 Skyline Team and Contributors (https://github.com/skyline-emu/)
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package org.yuzu.yuzu_emu.features
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import android.database.Cursor
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import android.database.MatrixCursor
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import android.os.CancellationSignal
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import android.os.ParcelFileDescriptor
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import android.provider.DocumentsContract
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import android.provider.DocumentsProvider
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import android.webkit.MimeTypeMap
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import org.yuzu.yuzu_emu.R
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import org.yuzu.yuzu_emu.YuzuApplication
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import org.yuzu.yuzu_emu.getPublicFilesDir
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import java.io.*
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class DocumentProvider : DocumentsProvider() {
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private val baseDirectory: File
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get() = File(YuzuApplication.application.getPublicFilesDir().canonicalPath)
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companion object {
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private val DEFAULT_ROOT_PROJECTION: Array<String> = arrayOf(
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DocumentsContract.Root.COLUMN_ROOT_ID,
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DocumentsContract.Root.COLUMN_MIME_TYPES,
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DocumentsContract.Root.COLUMN_FLAGS,
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DocumentsContract.Root.COLUMN_ICON,
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DocumentsContract.Root.COLUMN_TITLE,
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DocumentsContract.Root.COLUMN_SUMMARY,
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DocumentsContract.Root.COLUMN_DOCUMENT_ID,
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DocumentsContract.Root.COLUMN_AVAILABLE_BYTES
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)
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private val DEFAULT_DOCUMENT_PROJECTION: Array<String> = arrayOf(
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DocumentsContract.Document.COLUMN_DOCUMENT_ID,
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DocumentsContract.Document.COLUMN_MIME_TYPE,
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DocumentsContract.Document.COLUMN_DISPLAY_NAME,
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DocumentsContract.Document.COLUMN_LAST_MODIFIED,
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DocumentsContract.Document.COLUMN_FLAGS,
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DocumentsContract.Document.COLUMN_SIZE
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)
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const val ROOT_ID: String = "root"
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}
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override fun onCreate(): Boolean {
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return true
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}
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/**
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* @return The [File] that corresponds to the document ID supplied by [getDocumentId]
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*/
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private fun getFile(documentId: String): File {
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if (documentId.startsWith(ROOT_ID)) {
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val file = baseDirectory.resolve(documentId.drop(ROOT_ID.length + 1))
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if (!file.exists()) throw FileNotFoundException("${file.absolutePath} ($documentId) not found")
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return file
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} else {
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throw FileNotFoundException("'$documentId' is not in any known root")
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}
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}
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/**
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* @return A unique ID for the provided [File]
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*/
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private fun getDocumentId(file: File): String {
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return "$ROOT_ID/${file.toRelativeString(baseDirectory)}"
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}
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override fun queryRoots(projection: Array<out String>?): Cursor {
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val cursor = MatrixCursor(projection ?: DEFAULT_ROOT_PROJECTION)
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cursor.newRow().apply {
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add(DocumentsContract.Root.COLUMN_ROOT_ID, ROOT_ID)
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add(DocumentsContract.Root.COLUMN_SUMMARY, null)
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add(
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DocumentsContract.Root.COLUMN_FLAGS,
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DocumentsContract.Root.FLAG_SUPPORTS_CREATE or DocumentsContract.Root.FLAG_SUPPORTS_IS_CHILD
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)
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add(DocumentsContract.Root.COLUMN_TITLE, context!!.getString(R.string.app_name))
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add(DocumentsContract.Root.COLUMN_DOCUMENT_ID, getDocumentId(baseDirectory))
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add(DocumentsContract.Root.COLUMN_MIME_TYPES, "*/*")
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add(DocumentsContract.Root.COLUMN_AVAILABLE_BYTES, baseDirectory.freeSpace)
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add(DocumentsContract.Root.COLUMN_ICON, R.drawable.ic_yuzu)
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}
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return cursor
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}
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override fun queryDocument(documentId: String?, projection: Array<out String>?): Cursor {
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val cursor = MatrixCursor(projection ?: DEFAULT_DOCUMENT_PROJECTION)
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return includeFile(cursor, documentId, null)
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}
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override fun isChildDocument(parentDocumentId: String?, documentId: String?): Boolean {
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return documentId?.startsWith(parentDocumentId!!) ?: false
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}
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/**
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* @return A new [File] with a unique name based off the supplied [name], not conflicting with any existing file
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*/
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private fun File.resolveWithoutConflict(name: String): File {
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var file = resolve(name)
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if (file.exists()) {
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var noConflictId =
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1 // Makes sure two files don't have the same name by adding a number to the end
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val extension = name.substringAfterLast('.')
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val baseName = name.substringBeforeLast('.')
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while (file.exists())
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file = resolve("$baseName (${noConflictId++}).$extension")
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}
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return file
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}
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override fun createDocument(
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parentDocumentId: String?,
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mimeType: String?,
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displayName: String
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): String {
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val parentFile = getFile(parentDocumentId!!)
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val newFile = parentFile.resolveWithoutConflict(displayName)
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try {
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if (DocumentsContract.Document.MIME_TYPE_DIR == mimeType) {
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if (!newFile.mkdir())
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throw IOException("Failed to create directory")
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} else {
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if (!newFile.createNewFile())
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throw IOException("Failed to create file")
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}
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} catch (e: IOException) {
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throw FileNotFoundException("Couldn't create document '${newFile.path}': ${e.message}")
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}
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return getDocumentId(newFile)
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}
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override fun deleteDocument(documentId: String?) {
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val file = getFile(documentId!!)
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if (!file.delete())
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throw FileNotFoundException("Couldn't delete document with ID '$documentId'")
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}
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override fun removeDocument(documentId: String, parentDocumentId: String?) {
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val parent = getFile(parentDocumentId!!)
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val file = getFile(documentId)
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if (parent == file || file.parentFile == null || file.parentFile!! == parent) {
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if (!file.delete())
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throw FileNotFoundException("Couldn't delete document with ID '$documentId'")
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} else {
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throw FileNotFoundException("Couldn't delete document with ID '$documentId'")
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}
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}
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override fun renameDocument(documentId: String?, displayName: String?): String {
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if (displayName == null)
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throw FileNotFoundException("Couldn't rename document '$documentId' as the new name is null")
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val sourceFile = getFile(documentId!!)
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val sourceParentFile = sourceFile.parentFile
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?: throw FileNotFoundException("Couldn't rename document '$documentId' as it has no parent")
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val destFile = sourceParentFile.resolve(displayName)
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try {
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if (!sourceFile.renameTo(destFile))
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throw FileNotFoundException("Couldn't rename document from '${sourceFile.name}' to '${destFile.name}'")
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} catch (e: Exception) {
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throw FileNotFoundException("Couldn't rename document from '${sourceFile.name}' to '${destFile.name}': ${e.message}")
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}
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return getDocumentId(destFile)
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}
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private fun copyDocument(
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sourceDocumentId: String, sourceParentDocumentId: String,
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targetParentDocumentId: String?
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): String {
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if (!isChildDocument(sourceParentDocumentId, sourceDocumentId))
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throw FileNotFoundException("Couldn't copy document '$sourceDocumentId' as its parent is not '$sourceParentDocumentId'")
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return copyDocument(sourceDocumentId, targetParentDocumentId)
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}
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override fun copyDocument(sourceDocumentId: String, targetParentDocumentId: String?): String {
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val parent = getFile(targetParentDocumentId!!)
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val oldFile = getFile(sourceDocumentId)
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val newFile = parent.resolveWithoutConflict(oldFile.name)
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try {
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if (!(newFile.createNewFile() && newFile.setWritable(true) && newFile.setReadable(true)))
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throw IOException("Couldn't create new file")
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FileInputStream(oldFile).use { inStream ->
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FileOutputStream(newFile).use { outStream ->
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inStream.copyTo(outStream)
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}
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}
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} catch (e: IOException) {
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throw FileNotFoundException("Couldn't copy document '$sourceDocumentId': ${e.message}")
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}
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return getDocumentId(newFile)
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}
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override fun moveDocument(
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sourceDocumentId: String, sourceParentDocumentId: String?,
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targetParentDocumentId: String?
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): String {
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try {
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val newDocumentId = copyDocument(
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sourceDocumentId, sourceParentDocumentId!!,
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targetParentDocumentId
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)
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removeDocument(sourceDocumentId, sourceParentDocumentId)
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return newDocumentId
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} catch (e: FileNotFoundException) {
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throw FileNotFoundException("Couldn't move document '$sourceDocumentId'")
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}
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}
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private fun includeFile(cursor: MatrixCursor, documentId: String?, file: File?): MatrixCursor {
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val localDocumentId = documentId ?: file?.let { getDocumentId(it) }
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val localFile = file ?: getFile(documentId!!)
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var flags = 0
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if (localFile.isDirectory && localFile.canWrite()) {
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flags = DocumentsContract.Document.FLAG_DIR_SUPPORTS_CREATE
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} else if (localFile.canWrite()) {
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flags = DocumentsContract.Document.FLAG_SUPPORTS_WRITE
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flags = flags or DocumentsContract.Document.FLAG_SUPPORTS_DELETE
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flags = flags or DocumentsContract.Document.FLAG_SUPPORTS_REMOVE
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flags = flags or DocumentsContract.Document.FLAG_SUPPORTS_MOVE
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flags = flags or DocumentsContract.Document.FLAG_SUPPORTS_COPY
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flags = flags or DocumentsContract.Document.FLAG_SUPPORTS_RENAME
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}
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cursor.newRow().apply {
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add(DocumentsContract.Document.COLUMN_DOCUMENT_ID, localDocumentId)
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add(
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DocumentsContract.Document.COLUMN_DISPLAY_NAME,
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if (localFile == baseDirectory) context!!.getString(R.string.app_name) else localFile.name
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)
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add(DocumentsContract.Document.COLUMN_SIZE, localFile.length())
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add(DocumentsContract.Document.COLUMN_MIME_TYPE, getTypeForFile(localFile))
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add(DocumentsContract.Document.COLUMN_LAST_MODIFIED, localFile.lastModified())
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add(DocumentsContract.Document.COLUMN_FLAGS, flags)
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if (localFile == baseDirectory)
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add(DocumentsContract.Root.COLUMN_ICON, R.drawable.ic_yuzu)
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}
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return cursor
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}
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private fun getTypeForFile(file: File): Any {
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return if (file.isDirectory)
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DocumentsContract.Document.MIME_TYPE_DIR
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else
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getTypeForName(file.name)
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}
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private fun getTypeForName(name: String): Any {
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val lastDot = name.lastIndexOf('.')
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if (lastDot >= 0) {
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val extension = name.substring(lastDot + 1)
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val mime = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension)
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if (mime != null)
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return mime
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}
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return "application/octect-stream"
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}
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override fun queryChildDocuments(
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parentDocumentId: String?,
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projection: Array<out String>?,
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sortOrder: String?
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): Cursor {
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var cursor = MatrixCursor(projection ?: DEFAULT_DOCUMENT_PROJECTION)
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val parent = getFile(parentDocumentId!!)
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for (file in parent.listFiles()!!)
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cursor = includeFile(cursor, null, file)
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return cursor
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}
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override fun openDocument(
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documentId: String?,
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mode: String?,
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signal: CancellationSignal?
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): ParcelFileDescriptor {
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val file = documentId?.let { getFile(it) }
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val accessMode = ParcelFileDescriptor.parseMode(mode)
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return ParcelFileDescriptor.open(file, accessMode)
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}
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}
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