Reorganize Searchable data types

base/src/main/java/de/mm20/launcher2/search/PinnableSearchable.kt

@@ -0,0 +1,41 @@
+package de.mm20.launcher2.search
+
+import android.content.Context
+import android.os.Bundle
+import de.mm20.launcher2.icons.LauncherIcon
+import de.mm20.launcher2.icons.StaticLauncherIcon
+import de.mm20.launcher2.ktx.romanize
+import java.text.Collator
+
+interface PinnableSearchable : Searchable, Comparable<PinnableSearchable>  {
+
+    val label: String
+    val labelOverride: String?
+        get() = null
+
+    fun overrideLabel(label: String): PinnableSearchable
+
+    fun launch(context: Context, options: Bundle?): Boolean
+
+    /**
+     * If this is true, tapping the item will open the details popup instead of launching it
+     */
+    val preferDetailsOverLaunch: Boolean
+
+    fun getPlaceholderIcon(context: Context): StaticLauncherIcon
+
+    suspend fun loadIcon(
+        context: Context,
+        size: Int,
+        themed: Boolean
+    ): LauncherIcon? = null
+
+
+    override fun compareTo(other: PinnableSearchable): Int {
+        val label1 = labelOverride ?: label
+        val label2 = other.labelOverride ?: other.label
+        return Collator.getInstance().apply { strength = Collator.SECONDARY }
+            .compare(label1.romanize(), label2.romanize())
+    }
+
+}

base/src/main/java/de/mm20/launcher2/search/Searchable.kt

@@ -0,0 +1,6 @@
+package de.mm20.launcher2.search
+
+interface Searchable {
+    val domain: String
+    val key: String
+}

base/src/main/java/de/mm20/launcher2/search/SearchableDeserializer.kt

@@ -0,0 +1,12 @@
+package de.mm20.launcher2.search
+
+interface SearchableDeserializer {
+    fun deserialize(serialized: String): PinnableSearchable?
+}
+
+class NullDeserializer: SearchableDeserializer {
+    override fun deserialize(serialized: String): PinnableSearchable? {
+        return null
+    }
+
+}

base/src/main/java/de/mm20/launcher2/search/SearchableRepository.kt

@@ -0,0 +1,8 @@
+package de.mm20.launcher2.search
+
+import kotlinx.collections.immutable.ImmutableList
+import kotlinx.coroutines.flow.Flow
+
+interface SearchableRepository<T: Searchable> {
+    fun search(query: String): Flow<ImmutableList<T>>
+}

base/src/main/java/de/mm20/launcher2/search/SearchableSerializer.kt

@@ -0,0 +1,16 @@
+package de.mm20.launcher2.search
+
+interface SearchableSerializer {
+    fun serialize(searchable: PinnableSearchable): String?
+    val typePrefix: String
+}
+
+class NullSerializer : SearchableSerializer {
+    override fun serialize(searchable: PinnableSearchable): String? {
+        return null
+    }
+
+    override val typePrefix: String
+        get() = "null"
+
+}