Regenerate source file when XML files are created/deleted/renamed

.idea/compiler.xml

@@ -34,6 +34,9 @@
       <module name="AndroidIDE.gradle-tooling" target="1.8" />
       <module name="AndroidIDE.gradle-tooling.plugin" target="1.8" />
       <module name="AndroidIDE.javac" target="1.8" />
+      <module name="AndroidIDE.lookup" target="11" />
+      <module name="AndroidIDE.lookup.main" target="11" />
+      <module name="AndroidIDE.lookup.test" target="11" />
       <module name="AndroidIDE.treesitter.test" target="1.7" />
     </bytecodeTargetLevel>
   </component>

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

@@ -32,6 +32,7 @@ import com.itsaky.androidide.adapters.viewholders.FileTreeViewHolder
 import com.itsaky.androidide.app.StudioApp
 import com.itsaky.androidide.databinding.LayoutCreateFileJavaBinding
 import com.itsaky.androidide.databinding.LayoutDialogTextInputBinding
+import com.itsaky.androidide.eventbus.events.Event
 import com.itsaky.androidide.eventbus.events.file.FileCreationEvent
 import com.itsaky.androidide.eventbus.events.file.FileDeletionEvent
 import com.itsaky.androidide.eventbus.events.file.FileRenameEvent
@@ -43,6 +44,7 @@ import com.itsaky.androidide.events.ListProjectFilesRequestEvent
 import com.itsaky.androidide.fragments.sheets.OptionsListFragment
 import com.itsaky.androidide.models.SheetOption
 import com.itsaky.androidide.projects.ProjectManager.getProjectDirPath
+import com.itsaky.androidide.projects.builder.BuildService
 import com.itsaky.androidide.tasks.executeAsync
 import com.itsaky.androidide.utils.DialogUtils
 import com.itsaky.androidide.utils.Environment
@@ -335,7 +337,7 @@ class FileTreeActionHandler : BaseEventHandler() {
         app.toast(string.msg_file_exists, ERROR)
       } else {
         if (FileIOUtils.writeFileFromString(newFile, content)) {
-          notifyFileCreated(newFile)
+          notifyFileCreated(newFile, context)
           // TODO Notify language servers about file created event
           app.toast(string.msg_file_created, SUCCESS)
           if (lastHeld != null) {
@@ -406,16 +408,16 @@ class FileTreeActionHandler : BaseEventHandler() {
           ProgressDialog.show(context, null, context.getString(string.please_wait), true, false)
         executeAsync({ FileUtils.delete(file) }) {
           progressDialog.dismiss()
-          
+
           val deleted = it ?: false
-          
+
           app.toast(
             if (deleted) string.deleted else string.delete_failed,
             if (deleted) SUCCESS else ERROR
           )
-          
+
           if (deleted) {
-            notifyFileDeleted(file)
+            notifyFileDeleted(file, context)
             // TODO Notify language servers about file delete event
             if (lastHeld != null) {
               val parent = lastHeld!!.parent
@@ -466,7 +468,7 @@ class FileTreeActionHandler : BaseEventHandler() {
         if (renamed) SUCCESS else ERROR
       )
       if (renamed) {
-        notifyFileRenamed(file)
+        notifyFileRenamed(file, context)
         // TODO Notify language servers about file rename event
         if (lastHeld != null) {
           val parent = lastHeld!!.parent
@@ -495,15 +497,23 @@ class FileTreeActionHandler : BaseEventHandler() {
     EventBus.getDefault().post(ExpandTreeNodeRequestEvent(node))
   }
 
-  private fun notifyFileRenamed(file: File) {
-    EventBus.getDefault().post(FileRenameEvent(file))
+  private fun notifyFileRenamed(file: File, context: Context) {
+    EventBus.getDefault().post(FileRenameEvent(file).putData(context))
   }
 
-  private fun notifyFileCreated(file: File) {
-    EventBus.getDefault().post(FileCreationEvent(file))
+  private fun notifyFileCreated(file: File, context: Context) {
+    EventBus.getDefault().post(FileCreationEvent(file).putData(context))
   }
 
-  private fun notifyFileDeleted(file: File) {
-    EventBus.getDefault().post(FileDeletionEvent(file))
+  private fun notifyFileDeleted(file: File, context: Context) {
+    EventBus.getDefault().post(FileDeletionEvent(file).putData(context))
+  }
+
+  private fun Event.putData(context: Context): Event {
+    put(Context::class.java, context)
+    if (context is EditorActivity) {
+      put(BuildService::class.java, context.buildService)
+    }
+    return this
   }
 }

build-tools/projects/src/main/java/com/itsaky/androidide/projects/ProjectManager.kt

@@ -16,7 +16,12 @@
  */
 package com.itsaky.androidide.projects
 
+import android.content.Context
 import com.itsaky.androidide.eventbus.events.EventReceiver
+import com.itsaky.androidide.eventbus.events.file.FileCreationEvent
+import com.itsaky.androidide.eventbus.events.file.FileDeletionEvent
+import com.itsaky.androidide.eventbus.events.file.FileEvent
+import com.itsaky.androidide.eventbus.events.file.FileRenameEvent
 import com.itsaky.androidide.eventbus.events.project.ProjectInitializedEvent
 import com.itsaky.androidide.projects.api.AndroidModule
 import com.itsaky.androidide.projects.api.ModuleProject
@@ -29,7 +34,7 @@ import java.io.File
 import java.nio.file.Path
 import org.greenrobot.eventbus.EventBus
 import org.greenrobot.eventbus.Subscribe
-import org.greenrobot.eventbus.ThreadMode.MAIN
+import org.greenrobot.eventbus.ThreadMode.BACKGROUND
 
 /**
  * Manages projects in AndroidIDE.
@@ -173,10 +178,39 @@ object ProjectManager : EventReceiver {
     return false
   }
 
-  // No-op subscriber method
   @Suppress("unused")
-  @Subscribe(threadMode = MAIN)
-  fun noOp(obj: Throwable) {
-    throw UnsupportedOperationException("No-op")
+  @Subscribe(threadMode = BACKGROUND)
+  fun onFileCreated(event: FileCreationEvent) {
+    generateSourcesIfNecessary(event)
+  }
+
+  @Suppress("unused")
+  @Subscribe(threadMode = BACKGROUND)
+  fun onFileDeleted(event: FileDeletionEvent) {
+    generateSourcesIfNecessary(event)
+  }
+
+  @Suppress("unused")
+  @Subscribe(threadMode = BACKGROUND)
+  fun onFileRenamed(event: FileRenameEvent) {
+    generateSourcesIfNecessary(event)
+  }
+
+  private fun generateSourcesIfNecessary(event: FileEvent) {
+    val builder = event[BuildService::class.java] ?: return
+    val file = event.file
+    if (!isResource(file)) {
+      return
+    }
+    
+    generateSources(builder)
+  }
+
+  private fun isResource(file: File): Boolean {
+    val module = findModuleForFile(file) ?: return false
+    if (module is AndroidModule) {
+      return module.getResourceDirectories().find { file.path.startsWith(it.path) } != null
+    }
+    return true
   }
 }

build-tools/projects/src/main/java/com/itsaky/androidide/projects/api/ModuleProject.kt

@@ -216,7 +216,11 @@ abstract class ModuleProject(
       .findInPackage(packageName)
       .filterIsInstance(SourceNode::class.java)
   }
-
+  
+  open fun isFromThisModule(file: File) : Boolean {
+    return isFromThisModule(file.toPath())
+  }
+  
   open fun isFromThisModule(file: Path): Boolean {
     // TODO This can be probably improved
     return file.startsWith(this.projectDir.toPath())

eventbus-events/src/main/java/com/itsaky/androidide/eventbus/events/file/FileEvents.kt

@@ -20,23 +20,28 @@ package com.itsaky.androidide.eventbus.events.file
 import com.itsaky.androidide.eventbus.events.Event
 import java.io.File
 
+/** Base class for file events. */
+abstract class FileEvent : Event() {
+  abstract val file: File
+}
+
 /**
  * Event dispatched when a new file is created in the file tree.
  *
  * @author Akash Yadav
  */
-data class FileCreationEvent(val file: File) : Event()
+data class FileCreationEvent(override val file: File) : FileEvent()
 
 /**
  * Event dispatched when a file is deleted in the file tree.
  *
  * @author Akash Yadav
  */
-data class FileDeletionEvent(val file: File) : Event()
+data class FileDeletionEvent(override val file: File) : FileEvent()
 
 /**
  * Event dispatched when a file is renamed in the file tree.
  *
  * @author Akash Yadav
  */
-class FileRenameEvent(val file: File) : Event()
+class FileRenameEvent(override val file: File) : FileEvent()

settings.gradle

@@ -24,6 +24,7 @@ include ':lsp:testing'
 include ':build-tools:framework-stubs'
 include ':build-tools:google-java-format'
 include ':build-tools:javac'
+include ':build-tools:javac-services'
 include ':build-tools:tooling-api'
 include ':build-tools:tooling-api-events'
 include ':build-tools:tooling-api-impl'
@@ -35,4 +36,3 @@ include ':build-tools:builder-model-impl'
 include ':build-tools:jsonrpc'
 include ':build-tools:projects'
 include ':build-tools:tooling-api-testing'
-include ':build-tools:javac-services'