RDCT-1444 Convert TaskCancellation to kotlin, so it can be marked as Serializable

`TaskCancellation` as a part of `ProgressStartedEvent` needs to be serializable, so it can be put to Rhizome DB

GitOrigin-RevId: ff3054f3a16260c0951af714cb652230a1b5d3ce

platform/ide/progress/api-dump.txt

@@ -3,12 +3,16 @@ com.intellij.platform.ide.progress.ModalTaskOwner
 - s:guess():com.intellij.platform.ide.progress.ModalTaskOwner
 - s:project(com.intellij.openapi.project.Project):com.intellij.platform.ide.progress.ModalTaskOwner
 com.intellij.platform.ide.progress.TaskCancellation
+- sf:Companion:com.intellij.platform.ide.progress.TaskCancellation$Companion
 - s:cancellable():com.intellij.platform.ide.progress.TaskCancellation$Cancellable
 - s:nonCancellable():com.intellij.platform.ide.progress.TaskCancellation$NonCancellable
 com.intellij.platform.ide.progress.TaskCancellation$Cancellable
 - com.intellij.platform.ide.progress.TaskCancellation
 - a:withButtonText(java.lang.String):com.intellij.platform.ide.progress.TaskCancellation$Cancellable
 - a:withTooltipText(java.lang.String):com.intellij.platform.ide.progress.TaskCancellation$Cancellable
+f:com.intellij.platform.ide.progress.TaskCancellation$Companion
+- f:cancellable():com.intellij.platform.ide.progress.TaskCancellation$Cancellable
+- f:nonCancellable():com.intellij.platform.ide.progress.TaskCancellation$NonCancellable
 com.intellij.platform.ide.progress.TaskCancellation$NonCancellable
 - com.intellij.platform.ide.progress.TaskCancellation
 f:com.intellij.platform.ide.progress.TasksKt

platform/ide/progress/src/CancellableTaskCancellation.kt

@@ -1,43 +1,24 @@
 // Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
-package com.intellij.platform.ide.progress;
+package com.intellij.platform.ide.progress
 
-import com.intellij.openapi.util.NlsContexts.Button;
-import com.intellij.openapi.util.NlsContexts.Tooltip;
-import org.jetbrains.annotations.ApiStatus.Internal;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
+import com.intellij.openapi.util.NlsContexts
+import org.jetbrains.annotations.ApiStatus
 
-@Internal
-public final class CancellableTaskCancellation implements TaskCancellation.Cancellable {
-
-  static final Cancellable DEFAULT = new CancellableTaskCancellation(null, null);
-
-  private final @Button @Nullable String buttonText;
-  private final @Tooltip @Nullable String tooltipText;
-
-  private CancellableTaskCancellation(
-    @Button @Nullable String buttonText,
-    @Tooltip @Nullable String tooltipText
-  ) {
-    this.buttonText = buttonText;
-    this.tooltipText = tooltipText;
+@ApiStatus.Internal
+class CancellableTaskCancellation private constructor(
+  val buttonText: @NlsContexts.Button String?,
+  val tooltipText: @NlsContexts.Tooltip String?
+) : TaskCancellation.Cancellable {
+  override fun withButtonText(@NlsContexts.Button buttonText: String): TaskCancellation.Cancellable {
+    return CancellableTaskCancellation(buttonText, this.tooltipText)
   }
 
-  public @Button @Nullable String getButtonText() {
-    return buttonText;
+  override fun withTooltipText(@NlsContexts.Tooltip tooltipText: String): TaskCancellation.Cancellable {
+    return CancellableTaskCancellation(this.buttonText, tooltipText)
   }
 
-  public @Tooltip @Nullable String getTooltipText() {
-    return tooltipText;
-  }
-
-  @Override
-  public @NotNull Cancellable withButtonText(@NotNull String buttonText) {
-    return new CancellableTaskCancellation(buttonText, this.tooltipText);
-  }
-
-  @Override
-  public @NotNull Cancellable withTooltipText(@NotNull String tooltipText) {
-    return new CancellableTaskCancellation(this.buttonText, tooltipText);
+  companion object {
+    @JvmStatic
+    val DEFAULT: TaskCancellation.Cancellable = CancellableTaskCancellation(null, null)
   }
 }

platform/ide/progress/src/NonCancellableTaskCancellation.kt

@@ -1,12 +1,7 @@
 // Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
-package com.intellij.platform.ide.progress;
+package com.intellij.platform.ide.progress
 
-import org.jetbrains.annotations.ApiStatus.Internal;
+import org.jetbrains.annotations.ApiStatus
 
-@Internal
-public final class NonCancellableTaskCancellation implements TaskCancellation.NonCancellable {
-
-  static final TaskCancellation.NonCancellable INSTANCE = new NonCancellableTaskCancellation();
-
-  private NonCancellableTaskCancellation() { }
-}
+@ApiStatus.Internal
+data object NonCancellableTaskCancellation: TaskCancellation.NonCancellable

platform/ide/progress/src/TaskCancellation.kt

@@ -1,47 +1,42 @@
 // Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
-package com.intellij.platform.ide.progress;
+package com.intellij.platform.ide.progress
 
-import org.jetbrains.annotations.Contract;
-import org.jetbrains.annotations.NotNull;
+import com.intellij.openapi.util.NlsContexts
+import org.jetbrains.annotations.Contract
 
-import static com.intellij.openapi.util.NlsContexts.Button;
-import static com.intellij.openapi.util.NlsContexts.Tooltip;
+sealed interface TaskCancellation {
 
-public sealed interface TaskCancellation
-  permits TaskCancellation.NonCancellable,
-          TaskCancellation.Cancellable {
+  sealed interface NonCancellable : TaskCancellation
 
-  /**
-   * @return a cancellation instance, which means that the cancel button should not be displayed in the UI
-   */
-  @Contract(pure = true)
-  static @NotNull NonCancellable nonCancellable() {
-    return NonCancellableTaskCancellation.INSTANCE;
-  }
-
-  sealed interface NonCancellable extends TaskCancellation
-    permits NonCancellableTaskCancellation {
-  }
-
-  /**
-   * The returned instance can optionally be customized with button text and/or tooltip text.
-   * If {@link Cancellable#withButtonText the button text} is not specified,
-   * then {@link com.intellij.CommonBundle#getCancelButtonText the default text} is used.
-   *
-   * @return a cancellation instance, which means that the cancel button should be displayed in the UI
-   */
-  @Contract(pure = true)
-  static @NotNull Cancellable cancellable() {
-    return CancellableTaskCancellation.DEFAULT;
-  }
-
-  sealed interface Cancellable extends TaskCancellation
-    permits CancellableTaskCancellation {
+  sealed interface Cancellable : TaskCancellation {
+    @Contract(value = "_ -> new", pure = true)
+    fun withButtonText(buttonText: @NlsContexts.Button String): Cancellable
 
     @Contract(value = "_ -> new", pure = true)
-    @NotNull Cancellable withButtonText(@Button @NotNull String buttonText);
+    fun withTooltipText(tooltipText: @NlsContexts.Tooltip String): Cancellable
+  }
 
-    @Contract(value = "_ -> new", pure = true)
-    @NotNull Cancellable withTooltipText(@Tooltip @NotNull String tooltipText);
+  companion object {
+    /**
+     * @return a cancellation instance, which means that the cancel button should not be displayed in the UI
+     */
+    @Contract(pure = true)
+    @JvmStatic
+    fun nonCancellable(): NonCancellable {
+      return NonCancellableTaskCancellation
+    }
+
+    /**
+     * The returned instance can optionally be customized with button text and/or tooltip text.
+     * If [the button text][Cancellable.withButtonText] is not specified,
+     * then [the default text][com.intellij.CommonBundle.getCancelButtonText] is used.
+     *
+     * @return a cancellation instance, which means that the cancel button should be displayed in the UI
+     */
+    @Contract(pure = true)
+    @JvmStatic
+    fun cancellable(): Cancellable {
+      return CancellableTaskCancellation.DEFAULT
+    }
   }
 }