coil: make mosaics use squareframetransform

Change createMosaic to use SquareFrameTransform.

This should help fix a theoretical bug where non-1:1 album covers will
be oddly stretched in a generated mosaic, as all album covers will be
forcefully cropped to a 1:1 ratio.

app/src/main/java/org/oxycblt/auxio/MainActivity.kt

@@ -40,6 +40,8 @@ import org.oxycblt.auxio.util.systemBarInsetsCompat
 
 /**
  * The single [AppCompatActivity] for Auxio.
+ * TODO: Add a new view for crashes with a stack trace
+ * TODO: Custom language support
  */
 class MainActivity : AppCompatActivity() {
     private val playbackModel: PlaybackViewModel by viewModels()
@@ -104,10 +106,10 @@ class MainActivity : AppCompatActivity() {
             // The black theme has a completely separate set of styles since style attributes cannot
             // be modified at runtime.
             if (isNight && settingsManager.useBlackTheme) {
-                logD("Applying black theme [with accent $accent]")
+                logD("Applying black theme [accent $accent]")
                 setTheme(accent.blackTheme)
             } else {
-                logD("Applying normal theme [with accent $accent]")
+                logD("Applying normal theme [accent $accent]")
                 setTheme(accent.theme)
             }
         }

app/src/main/java/org/oxycblt/auxio/MainFragment.kt

@@ -42,6 +42,7 @@ import org.oxycblt.auxio.util.logW
  * A wrapper around the home fragment that shows the playback fragment and controls
  * the more high-level navigation features.
  * @author OxygenCobalt
+ * TODO: Add a new view with a stack trace whenever the music loading process fails.
  */
 class MainFragment : Fragment() {
     private val playbackModel: PlaybackViewModel by activityViewModels()

app/src/main/java/org/oxycblt/auxio/coil/AuxioFetcher.kt

@@ -35,6 +35,7 @@ import android.util.Size as AndroidSize
 /**
  * The base implementation for all image fetchers in Auxio.
  * @author OxygenCobalt
+ * TODO: Artist images
  */
 abstract class AuxioFetcher : Fetcher {
     private val settingsManager = SettingsManager.getInstance()
@@ -204,7 +205,7 @@ abstract class AuxioFetcher : Fetcher {
      * Create a mosaic image from multiple streams of image data, Code adapted from Phonograph
      * https://github.com/kabouzeid/Phonograph
      */
-    protected fun createMosaic(context: Context, streams: List<InputStream>, size: Size): FetchResult? {
+    protected suspend fun createMosaic(context: Context, streams: List<InputStream>, size: Size): FetchResult? {
         if (streams.size < 4) {
             return streams.firstOrNull()?.let { stream ->
                 return SourceResult(
@@ -219,7 +220,9 @@ abstract class AuxioFetcher : Fetcher {
         // get a symmetrical mosaic [and to prevent bugs]. If there is no size, default to a
         // 512x512 mosaic.
         val mosaicSize = AndroidSize(size.width.mosaicSize(), size.height.mosaicSize())
-        val increment = AndroidSize(mosaicSize.width / 2, mosaicSize.height / 2)
+        val mosaicFrameSize = Size(
+            Dimension(mosaicSize.width / 2), Dimension(mosaicSize.height / 2)
+        )
 
         val mosaicBitmap = Bitmap.createBitmap(
             mosaicSize.width,
@@ -238,20 +241,20 @@ abstract class AuxioFetcher : Fetcher {
                 break
             }
 
-            val bitmap = Bitmap.createScaledBitmap(
+            // Run the bitmap through a transform to make sure it's square
-                BitmapFactory.decodeStream(stream),
+            val bitmap = SquareFrameTransform.INSTANCE
-                increment.width,
+                .transform(
-                increment.height,
+                    BitmapFactory.decodeStream(stream),
-                true
+                    mosaicFrameSize
-            )
+                )
 
             canvas.drawBitmap(bitmap, x.toFloat(), y.toFloat(), null)
 
-            x += increment.width
+            x += bitmap.width
 
             if (x == mosaicSize.width) {
                 x = 0
-                y += increment.height
+                y += bitmap.height
             }
         }
 

app/src/main/java/org/oxycblt/auxio/coil/CoilUtils.kt

@@ -64,10 +64,9 @@ fun ImageView.bindGenreImage(genre: Genre?) = load(genre, R.drawable.ic_genre)
 
 fun <T : Music> ImageView.load(music: T?, @DrawableRes error: Int) {
     dispose()
-
     load(music) {
         error(error)
-        transformations(SquareFrameTransform())
+        transformations(SquareFrameTransform.INSTANCE)
     }
 }
 

app/src/main/java/org/oxycblt/auxio/coil/RoundableImageView.kt

@@ -10,6 +10,11 @@ import org.oxycblt.auxio.settings.SettingsManager
 import org.oxycblt.auxio.util.getColorSafe
 import org.oxycblt.auxio.util.stateList
 
+/**
+ * An [AppCompatImageView] that applies the specified cornerRadius attribute if the user
+ * has enabled the "Round album covers" option. We don't round album covers by default as
+ * it desecrates album artwork, but if the user desires it we do have an option to enable it.
+ */
 class RoundableImageView @JvmOverloads constructor(
     context: Context,
     attrs: AttributeSet? = null,
@@ -17,7 +22,7 @@ class RoundableImageView @JvmOverloads constructor(
 ) : AppCompatImageView(context, attrs, defStyleAttr) {
     init {
         val styledAttrs = context.obtainStyledAttributes(attrs, R.styleable.RoundableImageView)
-        val cornerRadius = styledAttrs.getDimension(R.styleable.RoundableImageView_cornerRadius, 0.0f)
+        val cornerRadius = styledAttrs.getDimension(R.styleable.RoundableImageView_cornerRadius, 0f)
         styledAttrs.recycle()
 
         background = MaterialShapeDrawable().apply {
@@ -29,8 +34,6 @@ class RoundableImageView @JvmOverloads constructor(
     override fun onAttachedToWindow() {
         super.onAttachedToWindow()
 
-        // We don't round album covers by default as it desecrates album artwork, but we do
-        // provide an option if one wants it.
         // As for why we use clipToOutline instead of coils RoundedCornersTransformation, the radii
         // of an image's corners is dependent on the actual dimensions of the image, which would
         // force us to resize all images to a fixed size. clipToOutline is pretty much always

app/src/main/java/org/oxycblt/auxio/coil/SquareFrameTransform.kt

@@ -37,4 +37,8 @@ class SquareFrameTransform : Transformation {
 
         return dst
     }
+
+    companion object {
+        val INSTANCE = SquareFrameTransform()
+    }
 }

app/src/main/java/org/oxycblt/auxio/home/HomeFragment.kt

@@ -55,6 +55,7 @@ import org.oxycblt.auxio.util.logTraceOrThrow
  * The main "Launching Point" fragment of Auxio, allowing navigation to the detail
  * views for each respective item.
  * @author OxygenCobalt
+ * TODO: Make tabs invisible when there is only one
  */
 class HomeFragment : Fragment() {
     private val playbackModel: PlaybackViewModel by activityViewModels()
@@ -163,7 +164,7 @@ class HomeFragment : Fragment() {
             playbackModel.shuffleAll()
         }
 
-// --- VIEWMODEL SETUP ---
+        // --- VIEWMODEL SETUP ---
 
         // There is no way a fast scrolling event can continue across a re-create. Reset it.
         homeModel.updateFastScrolling(false)

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

@@ -36,6 +36,7 @@ import java.lang.Exception
  * The main storage for music items.
  * Getting an instance of this object is more complicated as it loads asynchronously.
  * See the companion object for more.
+ * TODO: Add automatic rescanning [major change]
  * @author OxygenCobalt
  */
 class MusicStore private constructor() {

app/src/main/java/org/oxycblt/auxio/playback/PlaybackSeekBar.kt

@@ -36,6 +36,7 @@ import org.oxycblt.auxio.util.stateList
  * A custom view that bundles together a seekbar with a current duration and a total duration.
  * The sub-views are specifically laid out so that the seekbar has an adequate touch height while
  * still not having gobs of whitespace everywhere.
+ * TODO: Add smooth seeking [i.e seeking in sub-second values]
  * @author OxygenCobalt
  */
 @SuppressLint("RestrictedApi")

app/src/main/java/org/oxycblt/auxio/ui/ActionMenu.kt

@@ -55,6 +55,9 @@ fun Fragment.newMenu(anchor: View, data: Item, flag: Int = ActionMenu.FLAG_NONE)
  * @param flag Any extra flags to accompany the data. See [FLAG_NONE], [FLAG_IN_ALBUM], [FLAG_IN_ARTIST], [FLAG_IN_GENRE] for more details.
  * @throws IllegalStateException When there is no menu for this specific datatype/flag
  * @author OxygenCobalt
+ * TODO: Stop scrolling when a menu is open
+ * TODO: Prevent duplicate menus from showing up
+ * TODO: Maybe replace this with a bottom sheet?
  */
 class ActionMenu(
     activity: AppCompatActivity,