image: implement compat covers backport

For cover.jpg users

app/src/main/java/org/oxycblt/auxio/image/CoverProvider.kt

@@ -25,13 +25,19 @@ import android.content.UriMatcher
 import android.database.Cursor
 import android.net.Uri
 import android.os.ParcelFileDescriptor
+import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.runBlocking
 import org.oxycblt.auxio.BuildConfig
+import org.oxycblt.auxio.image.covers.SettingCovers
 import org.oxycblt.auxio.image.covers.SiloedCoverId
 import org.oxycblt.auxio.image.covers.SiloedCovers
 import org.oxycblt.musikr.cover.CoverResult
+import javax.inject.Inject
 
-class CoverProvider : ContentProvider() {
+@AndroidEntryPoint
+class CoverProvider @Inject constructor(
+    private val settingCovers: SettingCovers
+) : ContentProvider() {
     override fun onCreate(): Boolean = true
 
     override fun openFile(uri: Uri, mode: String): ParcelFileDescriptor? {
@@ -39,12 +45,10 @@ class CoverProvider : ContentProvider() {
             return null
         }
         val id = uri.lastPathSegment ?: return null
-        val coverId = SiloedCoverId.parse(id) ?: return null
         return runBlocking {
-            val siloedCovers = SiloedCovers.from(requireNotNull(context), coverId.silo)
+            when (val result = settingCovers.obtain(requireNotNull(context), id)) {
-            when (val res = siloedCovers.obtain(id)) {
+                is CoverResult.Hit -> result.cover.fd()
-                is CoverResult.Hit -> res.cover.fd()
+                else -> null
-                is CoverResult.Miss -> null
             }
         }
     }

app/src/main/java/org/oxycblt/auxio/image/covers/CompatCovers.kt

@@ -0,0 +1,72 @@
+package org.oxycblt.auxio.image.covers
+
+
+import android.content.Context
+import android.net.Uri
+import android.os.Build
+import android.os.ParcelFileDescriptor
+import android.provider.MediaStore
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import org.oxycblt.musikr.cover.Cover
+import org.oxycblt.musikr.cover.CoverResult
+import org.oxycblt.musikr.cover.Covers
+import org.oxycblt.musikr.cover.FileCover
+import org.oxycblt.musikr.cover.MutableCovers
+import org.oxycblt.musikr.fs.DeviceFile
+import org.oxycblt.musikr.metadata.Metadata
+
+open class CompatCovers(private val context: Context, private val inner: Covers<FileCover>) : Covers<FileCover> {
+    override suspend fun obtain(id: String): CoverResult<FileCover> {
+        when (val innerResult = inner.obtain(id)) {
+            is CoverResult.Hit -> return CoverResult.Hit(innerResult.cover)
+            is CoverResult.Miss -> {
+                if (!id.startsWith("compat:")) return CoverResult.Miss()
+                val uri = Uri.parse(id.substringAfter("compat:"))
+                return CoverResult.Hit(CompatCover(context, uri))
+            }
+        }
+    }
+}
+
+class MutableCompatCovers(private val context: Context, private val inner: MutableCovers<FileCover>) : CompatCovers(context, inner), MutableCovers<FileCover> {
+    override suspend fun create(file: DeviceFile, metadata: Metadata): CoverResult<FileCover> {
+        when (val innerResult = inner.create(file, metadata)) {
+            is CoverResult.Hit -> return CoverResult.Hit(innerResult.cover)
+            is CoverResult.Miss -> {
+                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+                    return CoverResult.Miss()
+                }
+                val mediaStoreUri = MediaStore.getMediaUri(context, file.uri) ?: return CoverResult.Miss()
+                val proj = arrayOf(MediaStore.MediaColumns._ID)
+                val cursor = context.contentResolver.query(mediaStoreUri, proj, null, null, null)
+                val uri = cursor.use {
+                    if (it == null || !it.moveToFirst()) {
+                        return CoverResult.Miss()
+                    }
+                    val id = it.getLong(it.getColumnIndexOrThrow(MediaStore.MediaColumns._ID))
+                    MediaStore.Audio.Media.EXTERNAL_CONTENT_URI.buildUpon().run {
+                        appendPath(id.toString())
+                        appendPath("albumart")
+                        build()
+                    }
+                }
+                return CoverResult.Hit(CompatCover(context, uri))
+            }
+        }
+    }
+
+    override suspend fun cleanup(excluding: Collection<Cover>) {}
+}
+
+class CompatCover(private val context: Context, private val uri: Uri) : FileCover {
+    override val id = "compat:$uri"
+
+    override suspend fun fd(): ParcelFileDescriptor? {
+        return context.contentResolver.openFileDescriptor(uri, "r")
+    }
+
+    override suspend fun open() = withContext(Dispatchers.IO) {
+        context.contentResolver.openInputStream(uri)
+    }
+}

app/src/main/java/org/oxycblt/auxio/image/covers/NullCovers.kt

@@ -19,13 +19,14 @@
 package org.oxycblt.auxio.image.covers
 
 import android.content.Context
+import org.apache.commons.lang3.ObjectUtils.Null
 import org.oxycblt.musikr.cover.Cover
 import org.oxycblt.musikr.cover.CoverResult
 import org.oxycblt.musikr.cover.MutableCovers
 import org.oxycblt.musikr.fs.DeviceFile
 import org.oxycblt.musikr.metadata.Metadata
 
-class NullCovers(private val context: Context) : MutableCovers {
+class NullCovers(private val context: Context) : MutableCovers<NullCover> {
     override suspend fun obtain(id: String) = CoverResult.Hit(NullCover)
 
     override suspend fun create(file: DeviceFile, metadata: Metadata) = CoverResult.Hit(NullCover)

app/src/main/java/org/oxycblt/auxio/image/covers/SettingCovers.kt

@@ -23,19 +23,23 @@ import java.util.UUID
 import javax.inject.Inject
 import org.oxycblt.auxio.image.CoverMode
 import org.oxycblt.auxio.image.ImageSettings
+import org.oxycblt.musikr.cover.Cover
 import org.oxycblt.musikr.cover.CoverIdentifier
 import org.oxycblt.musikr.cover.CoverParams
+import org.oxycblt.musikr.cover.CoverResult
+import org.oxycblt.musikr.cover.FileCover
 import org.oxycblt.musikr.cover.MutableCovers
 
 interface SettingCovers {
-    suspend fun create(context: Context, revision: UUID): MutableCovers
+    suspend fun obtain(context: Context, id: String): CoverResult<FileCover>
+    suspend fun mutate(context: Context, revision: UUID): MutableCovers<out Cover>
 }
 
 class SettingCoversImpl
 @Inject
 constructor(private val imageSettings: ImageSettings, private val identifier: CoverIdentifier) :
     SettingCovers {
-    override suspend fun create(context: Context, revision: UUID): MutableCovers =
+    override suspend fun mutate(context: Context, revision: UUID): MutableCovers<out Cover> =
         when (imageSettings.coverMode) {
             CoverMode.OFF -> NullCovers(context)
             CoverMode.SAVE_SPACE -> siloedCovers(context, revision, CoverParams.of(500, 70))
@@ -43,6 +47,13 @@ constructor(private val imageSettings: ImageSettings, private val identifier: Co
             CoverMode.HIGH_QUALITY -> siloedCovers(context, revision, CoverParams.of(1000, 100))
         }
 
+    override suspend fun obtain(context: Context, id: String): CoverResult<FileCover> {
+        val coverId = SiloedCoverId.parse(id) ?: return CoverResult.Miss()
+        val siloedCovers = SiloedCovers.from(context, coverId.silo)
+        val covers = CompatCovers(context, siloedCovers)
+        return covers.obtain(coverId.id)
+    }
+
     private suspend fun siloedCovers(context: Context, revision: UUID, with: CoverParams) =
-        MutableSiloedCovers.from(context, CoverSilo(revision, with), identifier)
+        MutableCompatCovers(context, MutableSiloedCovers.from(context, CoverSilo(revision, with), identifier))
 }

app/src/main/java/org/oxycblt/auxio/image/covers/SiloedCovers.kt

@@ -35,8 +35,8 @@ import org.oxycblt.musikr.fs.DeviceFile
 import org.oxycblt.musikr.fs.app.AppFiles
 import org.oxycblt.musikr.metadata.Metadata
 
-open class SiloedCovers(private val silo: CoverSilo, private val fileCovers: FileCovers) : Covers {
+open class SiloedCovers(private val silo: CoverSilo, private val fileCovers: FileCovers) : Covers<FileCover> {
-    override suspend fun obtain(id: String): CoverResult<SiloedCover> {
+    override suspend fun obtain(id: String): CoverResult<FileCover> {
         val coverId = SiloedCoverId.parse(id) ?: return CoverResult.Miss()
         if (coverId.silo != silo) return CoverResult.Miss()
         return when (val result = fileCovers.obtain(coverId.id)) {
@@ -58,8 +58,8 @@ private constructor(
     private val rootDir: File,
     private val silo: CoverSilo,
     private val fileCovers: MutableFileCovers
-) : SiloedCovers(silo, fileCovers), MutableCovers {
+) : SiloedCovers(silo, fileCovers), MutableCovers<FileCover> {
-    override suspend fun create(file: DeviceFile, metadata: Metadata): CoverResult<out Cover> =
+    override suspend fun create(file: DeviceFile, metadata: Metadata): CoverResult<FileCover> =
         when (val result = fileCovers.create(file, metadata)) {
             is CoverResult.Hit -> CoverResult.Hit(SiloedCover(silo, result.cover))
             is CoverResult.Miss -> CoverResult.Miss()

app/src/main/java/org/oxycblt/auxio/music/MusicRepository.kt

@@ -389,7 +389,7 @@ constructor(
         val currentRevision = musicSettings.revision
         val newRevision = currentRevision?.takeIf { withCache } ?: UUID.randomUUID()
         val cache = if (withCache) storedCache.visible() else storedCache.invisible()
-        val covers = settingCovers.create(context, newRevision)
+        val covers = settingCovers.mutate(context, newRevision)
         val storage = Storage(cache, covers, storedPlaylists)
         val interpretation = Interpretation(nameFactory, separators, ignoreHidden)
 

musikr/src/main/java/org/oxycblt/musikr/cover/Covers.kt

@@ -22,12 +22,12 @@ import java.io.InputStream
 import org.oxycblt.musikr.fs.DeviceFile
 import org.oxycblt.musikr.metadata.Metadata
 
-interface Covers {
+interface Covers<T : Cover> {
-    suspend fun obtain(id: String): CoverResult<out Cover>
+    suspend fun obtain(id: String): CoverResult<T>
 }
 
-interface MutableCovers : Covers {
+interface MutableCovers<T : Cover> : Covers<T> {
-    suspend fun create(file: DeviceFile, metadata: Metadata): CoverResult<out Cover>
+    suspend fun create(file: DeviceFile, metadata: Metadata): CoverResult<T>
 
     suspend fun cleanup(excluding: Collection<Cover>)
 }