refactor(actions): use ServiceLoader to load DefaultActionsRegistry

actions/src/main/java/com/itsaky/androidide/actions/ActionsRegistry.kt

@@ -17,7 +17,7 @@
 package com.itsaky.androidide.actions
 
 import android.view.Menu
-import com.itsaky.androidide.actions.internal.DefaultActionsRegistry
+import com.itsaky.androidide.utils.ServiceLoader
 
 /** @author Akash Yadav */
 abstract class ActionsRegistry {
@@ -29,7 +29,7 @@ abstract class ActionsRegistry {
     @JvmStatic
     fun getInstance(): ActionsRegistry {
       if (instance == null) {
-        instance = DefaultActionsRegistry()
+        instance = ServiceLoader.load(ActionsRegistry::class.java).findFirstOrThrow()
       }
 
       return instance as ActionsRegistry
@@ -77,6 +77,7 @@ abstract class ActionsRegistry {
 
   /** Get all the registered actions at the given location. */
   abstract fun getActions(location: ActionItem.Location): Map<String, ActionItem>
+
   /** Clear all the registered actions. */
   abstract fun clearActions(location: ActionItem.Location)
 

app/src/main/java/com/itsaky/androidide/actions/DefaultActionsRegistry.kt

@@ -14,7 +14,7 @@
  *  You should have received a copy of the GNU General Public License
  *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.itsaky.androidide.actions.internal
+package com.itsaky.androidide.actions
 
 import android.content.Context
 import android.graphics.PorterDuff.Mode.SRC_ATOP
@@ -22,11 +22,7 @@ import android.graphics.PorterDuffColorFilter
 import android.view.Menu
 import android.view.MenuItem
 import com.blankj.utilcode.util.ThreadUtils
-import com.itsaky.androidide.actions.ActionData
-import com.itsaky.androidide.actions.ActionItem
-import com.itsaky.androidide.actions.ActionMenu
-import com.itsaky.androidide.actions.ActionsRegistry
-import com.itsaky.androidide.actions.R
+import com.google.auto.service.AutoService
 import com.itsaky.androidide.actions.locations.CodeActionsMenu
 import com.itsaky.androidide.utils.ILogger
 import com.itsaky.androidide.utils.resolveAttr
@@ -38,6 +34,7 @@ import java.util.concurrent.ConcurrentHashMap
  *
  * @author Akash Yadav
  */
+@AutoService(ActionsRegistry::class)
 class DefaultActionsRegistry : ActionsRegistry() {
 
   private val log = ILogger.newInstance("DefaultActionsRegistry")
@@ -117,33 +114,31 @@ class DefaultActionsRegistry : ActionsRegistry() {
 
   private fun addActionToMenu(menu: Menu, action: ActionItem, data: ActionData) {
     val context = data[Context::class.java]
-    val item: MenuItem =
-      if (action is ActionMenu) {
-        val sub = menu.addSubMenu(action.label)
+    val item: MenuItem = if (action is ActionMenu) {
+      val sub = menu.addSubMenu(action.label)
 
-        var shouldBeEnabled = false
-        for (subItem in action.children) {
-          subItem.prepare(data)
-          if (subItem.visible) {
-            addActionToMenu(sub, subItem, data)
-          }
-
-          if (action.enabled && subItem.enabled && !shouldBeEnabled) {
-            shouldBeEnabled = true
-          }
+      var shouldBeEnabled = false
+      for (subItem in action.children) {
+        subItem.prepare(data)
+        if (subItem.visible) {
+          addActionToMenu(sub, subItem, data)
         }
 
-        action.enabled = shouldBeEnabled
-        sub.item
-      } else {
-        menu.add(action.label)
+        if (action.enabled && subItem.enabled && !shouldBeEnabled) {
+          shouldBeEnabled = true
+        }
       }
 
+      action.enabled = shouldBeEnabled
+      sub.item
+    } else {
+      menu.add(action.label)
+    }
+
     item.isEnabled = action.enabled
-    item.icon =
-      action.icon?.apply {
-        colorFilter = PorterDuffColorFilter(context!!.resolveAttr(R.attr.colorOnSurface), SRC_ATOP)
-      }
+    item.icon = action.icon?.apply {
+      colorFilter = PorterDuffColorFilter(context!!.resolveAttr(R.attr.colorOnSurface), SRC_ATOP)
+    }
 
     if (item.icon != null) {
       item.icon!!.alpha = if (action.enabled) 255 else 76
@@ -182,13 +177,11 @@ class DefaultActionsRegistry : ActionsRegistry() {
 
   private fun execInBackground(action: ActionItem, data: ActionData) {
     val start = System.currentTimeMillis()
-    CompletableFuture.supplyAsync { action.execAction(data) }
-      .whenComplete { result, error ->
+    CompletableFuture.supplyAsync { action.execAction(data) }.whenComplete { result, error ->
         if (result == null || (result is Boolean && !result) || error != null) {
           log.error(
             "An error occurred when performing action '${action.id}'. Action failed in ${System.currentTimeMillis() - start}ms",
-            error
-          )
+            error)
         } else {
           log.info("Action '${action.id}' completed in ${System.currentTimeMillis() - start}ms")
         }

app/src/main/java/com/itsaky/androidide/handlers/FileTreeActionHandler.kt

@@ -23,7 +23,7 @@ import com.itsaky.androidide.actions.ActionData
 import com.itsaky.androidide.actions.ActionItem.Location.EDITOR_FILE_TREE
 import com.itsaky.androidide.actions.ActionMenu
 import com.itsaky.androidide.actions.ActionsRegistry
-import com.itsaky.androidide.actions.internal.DefaultActionsRegistry
+import com.itsaky.androidide.actions.DefaultActionsRegistry
 import com.itsaky.androidide.activities.editor.EditorHandlerActivity
 import com.itsaky.androidide.eventbus.events.filetree.FileClickEvent
 import com.itsaky.androidide.eventbus.events.filetree.FileLongClickEvent

lookup/src/main/java/com/itsaky/androidide/lookup/ForwardingLookup.kt

@@ -17,27 +17,9 @@
 
 package com.itsaky.androidide.lookup
 
-import com.itsaky.androidide.lookup.Lookup.Key
-
 /**
- * For all calls to the provided lookup instance.
+ * Forwards all calls to the provided lookup instance.
  *
  * @author Akash Yadav
  */
-abstract class ForwardingLookup(protected val lookup: Lookup) : Lookup {
-  override fun <T : Any?> register(klass: Class<T>?, instance: T) = lookup.register(klass, instance)
-
-  override fun <T : Any?> update(klass: Class<T>?, instance: T) = lookup.update(klass, instance)
-
-  override fun <T : Any?> unregister(klass: Class<T>?) = lookup.unregister(klass)
-
-  override fun <T : Any?> lookup(klass: Class<T>?): T? = lookup.lookup(klass)
-
-  override fun <T : Any?> register(key: Key<T>?, instance: T) = lookup.register(key, instance)
-
-  override fun <T : Any?> unregister(key: Key<T>?) = lookup.unregister(key)
-
-  override fun <T : Any?> lookup(key: Key<T>?): T? = lookup.lookup(key)
-
-  override fun <T : Any?> update(key: Key<T>?, instance: T) = lookup.update(key, instance)
-}
+open class ForwardingLookup(lookup: Lookup) : Lookup by lookup