New J2K: add conversion progress bar

Relates to #KT-31812

idea/idea-j2k/src/org/jetbrains/kotlin/idea/j2k/J2kPostProcessor.kt

@@ -27,8 +27,8 @@ import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.withContext
 import org.jetbrains.kotlin.idea.caches.resolve.getResolutionFacade
 import org.jetbrains.kotlin.idea.caches.resolve.resolveImportReference
-import org.jetbrains.kotlin.idea.core.util.range
 import org.jetbrains.kotlin.idea.core.util.EDT
+import org.jetbrains.kotlin.idea.core.util.range
 import org.jetbrains.kotlin.idea.util.ImportInsertHelper
 import org.jetbrains.kotlin.idea.util.application.runReadAction
 import org.jetbrains.kotlin.idea.util.application.runWriteAction
@@ -42,6 +42,9 @@ import org.jetbrains.kotlin.resolve.diagnostics.Diagnostics
 import java.util.*
 
 class J2kPostProcessor(private val formatCode: Boolean) : PostProcessor {
+
+    override val phasesCount: Int = 1
+
     override fun insertImport(file: KtFile, fqName: FqName) {
         ApplicationManager.getApplication().invokeAndWait {
             runWriteAction {
@@ -57,7 +60,12 @@ class J2kPostProcessor(private val formatCode: Boolean) : PostProcessor {
         PROCESS
     }
 
-    override fun doAdditionalProcessing(file: KtFile, converterContext: ConverterContext?, rangeMarker: RangeMarker?) =
+    override fun doAdditionalProcessing(
+        file: KtFile,
+        converterContext: ConverterContext?,
+        rangeMarker: RangeMarker?,
+        onPhaseChanged: ((Int, String) -> Unit)?
+    ) =
         runBlocking(EDT.ModalityStateElement(ModalityState.defaultModalityState())) {
             do {
                 var modificationStamp: Long? = file.modificationStamp

idea/idea-j2k/src/org/jetbrains/kotlin/idea/j2k/JavaToKotlinConverterFactory.kt

@@ -6,7 +6,9 @@
 package org.jetbrains.kotlin.idea.j2k
 
 import com.intellij.openapi.module.Module
+import com.intellij.openapi.progress.ProgressIndicator
 import com.intellij.openapi.project.Project
+import com.intellij.psi.PsiJavaFile
 import org.jetbrains.kotlin.j2k.*
 
 object JavaToKotlinConverterFactory {
@@ -20,6 +22,17 @@ object JavaToKotlinConverterFactory {
     fun createPostProcessor(formatCode: Boolean): PostProcessor =
         J2kConverterExtension.extension.createPostProcessor(formatCode)
 
+    fun createWithProgressIndicator(
+        progress: ProgressIndicator?,
+        files: List<PsiJavaFile>?,
+        phasesCount: Int
+    ): WithProgressProcessor =
+        J2kConverterExtension.extension.createWithProgressProcessor(progress, files, phasesCount)
+
+
     fun doCheckBeforeConversion(project: Project, module: Module): Boolean =
         J2kConverterExtension.extension.doCheckBeforeConversion(project, module)
+
+    val isNewJ2k: Boolean
+        get() = J2kConverterExtension.extension.isNewJ2k
 }

idea/idea-j2k/src/org/jetbrains/kotlin/idea/j2k/OldJ2kConverterExtension.kt

@@ -1,6 +1,8 @@
 package org.jetbrains.kotlin.idea.j2k
 
+import com.intellij.openapi.progress.ProgressIndicator
 import com.intellij.openapi.project.Project
+import com.intellij.psi.PsiJavaFile
 import org.jetbrains.kotlin.j2k.*
 
 class OldJ2kConverterExtension : J2kConverterExtension() {
@@ -15,4 +17,11 @@ class OldJ2kConverterExtension : J2kConverterExtension() {
 
     override fun createPostProcessor(formatCode: Boolean): PostProcessor =
         J2kPostProcessor(formatCode)
+
+    override fun createWithProgressProcessor(
+        progress: ProgressIndicator?,
+        files: List<PsiJavaFile>?,
+        phasesCount: Int
+    ): WithProgressProcessor =
+        OldWithProgressProcessor(progress, files)
 }