android: Use Skyline's document provider

This commit is contained in:
Charles Lombardo 2023-03-14 21:35:16 -04:00 committed by bunnei
parent 55e4c2d87b
commit 515f3deea1
3 changed files with 319 additions and 4 deletions

View File

@ -74,6 +74,18 @@
android:name="android.support.FILE_PROVIDER_PATHS" android:name="android.support.FILE_PROVIDER_PATHS"
android:resource="@xml/nnf_provider_paths" /> android:resource="@xml/nnf_provider_paths" />
</provider> </provider>
<provider
android:name=".features.DocumentProvider"
android:authorities="${applicationId}.user"
android:grantUriPermissions="true"
android:exported="true"
android:permission="android.permission.MANAGE_DOCUMENTS">
<intent-filter>
<action android:name="android.content.action.DOCUMENTS_PROVIDER" />
</intent-filter>
</provider>
</application> </application>
</manifest> </manifest>

View File

@ -8,9 +8,12 @@ import android.app.NotificationChannel
import android.app.NotificationManager import android.app.NotificationManager
import android.content.Context import android.content.Context
import org.yuzu.yuzu_emu.model.GameDatabase import org.yuzu.yuzu_emu.model.GameDatabase
import org.yuzu.yuzu_emu.utils.DirectoryInitialization.start import org.yuzu.yuzu_emu.utils.DirectoryInitialization
import org.yuzu.yuzu_emu.utils.DocumentsTree import org.yuzu.yuzu_emu.utils.DocumentsTree
import org.yuzu.yuzu_emu.utils.GpuDriverHelper import org.yuzu.yuzu_emu.utils.GpuDriverHelper
import java.io.File
fun Context.getPublicFilesDir() : File = getExternalFilesDir(null) ?: filesDir
class YuzuApplication : Application() { class YuzuApplication : Application() {
private fun createNotificationChannel() { private fun createNotificationChannel() {
@ -36,7 +39,7 @@ class YuzuApplication : Application() {
super.onCreate() super.onCreate()
application = this application = this
documentsTree = DocumentsTree() documentsTree = DocumentsTree()
start(applicationContext) DirectoryInitialization.start(applicationContext)
GpuDriverHelper.initializeDriverParameters(applicationContext) GpuDriverHelper.initializeDriverParameters(applicationContext)
NativeLibrary.LogDeviceInfo() NativeLibrary.LogDeviceInfo()
@ -50,10 +53,10 @@ class YuzuApplication : Application() {
@JvmField @JvmField
var documentsTree: DocumentsTree? = null var documentsTree: DocumentsTree? = null
private var application: YuzuApplication? = null lateinit var application: YuzuApplication
@JvmStatic @JvmStatic
val appContext: Context val appContext: Context
get() = application!!.applicationContext get() = application.applicationContext
} }
} }

View File

@ -0,0 +1,300 @@
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-License-Identifier: MPL-2.0
// Copyright © 2023 Skyline Team and Contributors (https://github.com/skyline-emu/)
package org.yuzu.yuzu_emu.features
import android.database.Cursor
import android.database.MatrixCursor
import android.os.CancellationSignal
import android.os.ParcelFileDescriptor
import android.provider.DocumentsContract
import android.provider.DocumentsProvider
import android.webkit.MimeTypeMap
import org.yuzu.yuzu_emu.R
import org.yuzu.yuzu_emu.YuzuApplication
import org.yuzu.yuzu_emu.getPublicFilesDir
import java.io.*
class DocumentProvider : DocumentsProvider() {
private val baseDirectory: File
get() = File(YuzuApplication.application.getPublicFilesDir().canonicalPath)
companion object {
private val DEFAULT_ROOT_PROJECTION: Array<String> = arrayOf(
DocumentsContract.Root.COLUMN_ROOT_ID,
DocumentsContract.Root.COLUMN_MIME_TYPES,
DocumentsContract.Root.COLUMN_FLAGS,
DocumentsContract.Root.COLUMN_ICON,
DocumentsContract.Root.COLUMN_TITLE,
DocumentsContract.Root.COLUMN_SUMMARY,
DocumentsContract.Root.COLUMN_DOCUMENT_ID,
DocumentsContract.Root.COLUMN_AVAILABLE_BYTES
)
private val DEFAULT_DOCUMENT_PROJECTION: Array<String> = arrayOf(
DocumentsContract.Document.COLUMN_DOCUMENT_ID,
DocumentsContract.Document.COLUMN_MIME_TYPE,
DocumentsContract.Document.COLUMN_DISPLAY_NAME,
DocumentsContract.Document.COLUMN_LAST_MODIFIED,
DocumentsContract.Document.COLUMN_FLAGS,
DocumentsContract.Document.COLUMN_SIZE
)
const val ROOT_ID: String = "root"
}
override fun onCreate(): Boolean {
return true
}
/**
* @return The [File] that corresponds to the document ID supplied by [getDocumentId]
*/
private fun getFile(documentId: String): File {
if (documentId.startsWith(ROOT_ID)) {
val file = baseDirectory.resolve(documentId.drop(ROOT_ID.length + 1))
if (!file.exists()) throw FileNotFoundException("${file.absolutePath} ($documentId) not found")
return file
} else {
throw FileNotFoundException("'$documentId' is not in any known root")
}
}
/**
* @return A unique ID for the provided [File]
*/
private fun getDocumentId(file: File): String {
return "$ROOT_ID/${file.toRelativeString(baseDirectory)}"
}
override fun queryRoots(projection: Array<out String>?): Cursor {
val cursor = MatrixCursor(projection ?: DEFAULT_ROOT_PROJECTION)
cursor.newRow().apply {
add(DocumentsContract.Root.COLUMN_ROOT_ID, ROOT_ID)
add(DocumentsContract.Root.COLUMN_SUMMARY, null)
add(
DocumentsContract.Root.COLUMN_FLAGS,
DocumentsContract.Root.FLAG_SUPPORTS_CREATE or DocumentsContract.Root.FLAG_SUPPORTS_IS_CHILD
)
add(DocumentsContract.Root.COLUMN_TITLE, context!!.getString(R.string.app_name))
add(DocumentsContract.Root.COLUMN_DOCUMENT_ID, getDocumentId(baseDirectory))
add(DocumentsContract.Root.COLUMN_MIME_TYPES, "*/*")
add(DocumentsContract.Root.COLUMN_AVAILABLE_BYTES, baseDirectory.freeSpace)
add(DocumentsContract.Root.COLUMN_ICON, R.drawable.ic_yuzu)
}
return cursor
}
override fun queryDocument(documentId: String?, projection: Array<out String>?): Cursor {
val cursor = MatrixCursor(projection ?: DEFAULT_DOCUMENT_PROJECTION)
return includeFile(cursor, documentId, null)
}
override fun isChildDocument(parentDocumentId: String?, documentId: String?): Boolean {
return documentId?.startsWith(parentDocumentId!!) ?: false
}
/**
* @return A new [File] with a unique name based off the supplied [name], not conflicting with any existing file
*/
private fun File.resolveWithoutConflict(name: String): File {
var file = resolve(name)
if (file.exists()) {
var noConflictId =
1 // Makes sure two files don't have the same name by adding a number to the end
val extension = name.substringAfterLast('.')
val baseName = name.substringBeforeLast('.')
while (file.exists())
file = resolve("$baseName (${noConflictId++}).$extension")
}
return file
}
override fun createDocument(
parentDocumentId: String?,
mimeType: String?,
displayName: String
): String {
val parentFile = getFile(parentDocumentId!!)
val newFile = parentFile.resolveWithoutConflict(displayName)
try {
if (DocumentsContract.Document.MIME_TYPE_DIR == mimeType) {
if (!newFile.mkdir())
throw IOException("Failed to create directory")
} else {
if (!newFile.createNewFile())
throw IOException("Failed to create file")
}
} catch (e: IOException) {
throw FileNotFoundException("Couldn't create document '${newFile.path}': ${e.message}")
}
return getDocumentId(newFile)
}
override fun deleteDocument(documentId: String?) {
val file = getFile(documentId!!)
if (!file.delete())
throw FileNotFoundException("Couldn't delete document with ID '$documentId'")
}
override fun removeDocument(documentId: String, parentDocumentId: String?) {
val parent = getFile(parentDocumentId!!)
val file = getFile(documentId)
if (parent == file || file.parentFile == null || file.parentFile!! == parent) {
if (!file.delete())
throw FileNotFoundException("Couldn't delete document with ID '$documentId'")
} else {
throw FileNotFoundException("Couldn't delete document with ID '$documentId'")
}
}
override fun renameDocument(documentId: String?, displayName: String?): String {
if (displayName == null)
throw FileNotFoundException("Couldn't rename document '$documentId' as the new name is null")
val sourceFile = getFile(documentId!!)
val sourceParentFile = sourceFile.parentFile
?: throw FileNotFoundException("Couldn't rename document '$documentId' as it has no parent")
val destFile = sourceParentFile.resolve(displayName)
try {
if (!sourceFile.renameTo(destFile))
throw FileNotFoundException("Couldn't rename document from '${sourceFile.name}' to '${destFile.name}'")
} catch (e: Exception) {
throw FileNotFoundException("Couldn't rename document from '${sourceFile.name}' to '${destFile.name}': ${e.message}")
}
return getDocumentId(destFile)
}
private fun copyDocument(
sourceDocumentId: String, sourceParentDocumentId: String,
targetParentDocumentId: String?
): String {
if (!isChildDocument(sourceParentDocumentId, sourceDocumentId))
throw FileNotFoundException("Couldn't copy document '$sourceDocumentId' as its parent is not '$sourceParentDocumentId'")
return copyDocument(sourceDocumentId, targetParentDocumentId)
}
override fun copyDocument(sourceDocumentId: String, targetParentDocumentId: String?): String {
val parent = getFile(targetParentDocumentId!!)
val oldFile = getFile(sourceDocumentId)
val newFile = parent.resolveWithoutConflict(oldFile.name)
try {
if (!(newFile.createNewFile() && newFile.setWritable(true) && newFile.setReadable(true)))
throw IOException("Couldn't create new file")
FileInputStream(oldFile).use { inStream ->
FileOutputStream(newFile).use { outStream ->
inStream.copyTo(outStream)
}
}
} catch (e: IOException) {
throw FileNotFoundException("Couldn't copy document '$sourceDocumentId': ${e.message}")
}
return getDocumentId(newFile)
}
override fun moveDocument(
sourceDocumentId: String, sourceParentDocumentId: String?,
targetParentDocumentId: String?
): String {
try {
val newDocumentId = copyDocument(
sourceDocumentId, sourceParentDocumentId!!,
targetParentDocumentId
)
removeDocument(sourceDocumentId, sourceParentDocumentId)
return newDocumentId
} catch (e: FileNotFoundException) {
throw FileNotFoundException("Couldn't move document '$sourceDocumentId'")
}
}
private fun includeFile(cursor: MatrixCursor, documentId: String?, file: File?): MatrixCursor {
val localDocumentId = documentId ?: file?.let { getDocumentId(it) }
val localFile = file ?: getFile(documentId!!)
var flags = 0
if (localFile.isDirectory && localFile.canWrite()) {
flags = DocumentsContract.Document.FLAG_DIR_SUPPORTS_CREATE
} else if (localFile.canWrite()) {
flags = DocumentsContract.Document.FLAG_SUPPORTS_WRITE
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
}
cursor.newRow().apply {
add(DocumentsContract.Document.COLUMN_DOCUMENT_ID, localDocumentId)
add(
DocumentsContract.Document.COLUMN_DISPLAY_NAME,
if (localFile == baseDirectory) context!!.getString(R.string.app_name) else localFile.name
)
add(DocumentsContract.Document.COLUMN_SIZE, localFile.length())
add(DocumentsContract.Document.COLUMN_MIME_TYPE, getTypeForFile(localFile))
add(DocumentsContract.Document.COLUMN_LAST_MODIFIED, localFile.lastModified())
add(DocumentsContract.Document.COLUMN_FLAGS, flags)
if (localFile == baseDirectory)
add(DocumentsContract.Root.COLUMN_ICON, R.drawable.ic_yuzu)
}
return cursor
}
private fun getTypeForFile(file: File): Any {
return if (file.isDirectory)
DocumentsContract.Document.MIME_TYPE_DIR
else
getTypeForName(file.name)
}
private fun getTypeForName(name: String): Any {
val lastDot = name.lastIndexOf('.')
if (lastDot >= 0) {
val extension = name.substring(lastDot + 1)
val mime = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension)
if (mime != null)
return mime
}
return "application/octect-stream"
}
override fun queryChildDocuments(
parentDocumentId: String?,
projection: Array<out String>?,
sortOrder: String?
): Cursor {
var cursor = MatrixCursor(projection ?: DEFAULT_DOCUMENT_PROJECTION)
val parent = getFile(parentDocumentId!!)
for (file in parent.listFiles()!!)
cursor = includeFile(cursor, null, file)
return cursor
}
override fun openDocument(
documentId: String?,
mode: String?,
signal: CancellationSignal?
): ParcelFileDescriptor {
val file = documentId?.let { getFile(it) }
val accessMode = ParcelFileDescriptor.parseMode(mode)
return ParcelFileDescriptor.open(file, accessMode)
}
}