IJPL-43794 Features Trainer: do not show onboarding banners on Welcome Screen if experiment is enabled

GitOrigin-RevId: 3f9eeed14825a0ca4d5c03ef7377572af7e2f77a

plugins/ide-features-trainer/onboarding/intellij.featuresTrainer.onboarding.iml

@@ -12,5 +12,6 @@
     <orderEntry type="module" module-name="intellij.platform.ide.newUiOnboarding" />
     <orderEntry type="module" module-name="intellij.featuresTrainer" />
     <orderEntry type="module" module-name="intellij.platform.core.ui" />
+    <orderEntry type="module" module-name="intellij.platform.ide.newUsersOnboarding" />
   </component>
 </module>

plugins/ide-features-trainer/onboarding/resources/intellij.featuresTrainer.onboarding.xml

@@ -1,9 +1,14 @@
 <idea-plugin package="com.intellij.featuresTrainer.onboarding">
   <dependencies>
     <module name="intellij.platform.ide.newUiOnboarding"/>
+    <module name="intellij.platform.ide.newUsersOnboarding"/>
   </dependencies>
 
   <extensions defaultExtensionNs="com.intellij.ide.newUiOnboarding">
     <step key="learnToolWindow" implementationClass="com.intellij.featuresTrainer.onboarding.LearnToolWindowStep"/>
   </extensions>
+
+  <extensions defaultExtensionNs="training">
+    <ift.newUsersOnboardingExperimentAccessor implementation="com.intellij.featuresTrainer.onboarding.NewUsersOnboardingExperimentAccessorImpl"/>
+  </extensions>
 </idea-plugin>

plugins/ide-features-trainer/onboarding/src/com/intellij/featuresTrainer/onboarding/NewUsersOnboardingExperimentAccessorImpl.kt

@@ -0,0 +1,10 @@
+package com.intellij.featuresTrainer.onboarding
+
+import com.intellij.platform.ide.newUsersOnboarding.NewUsersOnboardingExperiment
+import training.learn.NewUsersOnboardingExperimentAccessor
+
+internal class NewUsersOnboardingExperimentAccessorImpl : NewUsersOnboardingExperimentAccessor {
+  override fun isExperimentEnabled(): Boolean {
+    return NewUsersOnboardingExperiment.getInstance().isEnabled()
+  }
+}

plugins/ide-features-trainer/res/META-INF/plugin.xml

@@ -48,6 +48,8 @@
     <extensionPoint name="ift.learning.commonCourse" beanClass="com.intellij.util.KeyedLazyInstanceEP" dynamic="true">
       <with attribute="implementationClass" implements="training.learn.course.LearningCourse"/>
     </extensionPoint>
+
+    <extensionPoint name="ift.newUsersOnboardingExperimentAccessor" interface="training.learn.NewUsersOnboardingExperimentAccessor" dynamic="true"/>
   </extensionPoints>
 
   <extensions defaultExtensionNs="com.intellij">

plugins/ide-features-trainer/src/training/learn/NewUsersOnboardingExperimentAccessor.kt

@@ -0,0 +1,25 @@
+// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package training.learn
+
+import com.intellij.openapi.extensions.ExtensionPointName
+import org.jetbrains.annotations.ApiStatus
+
+/**
+ * Temporary extension point to access the New Users Onboarding experiment state in the Features Trainer logic.
+ * Can't access [com.intellij.platform.ide.newUsersOnboarding.NewUsersOnboardingExperiment] directly
+ * because IFT can't strictly depend on New Users Onboarding.
+ * So, if there is no New Users Onboarding, then there are no implementations of this extension point,
+ * and we consider that experiment is disabled.
+ *
+ * It should be removed once the experiment is finished and default is determined.
+ */
+@ApiStatus.Internal
+interface NewUsersOnboardingExperimentAccessor {
+  fun isExperimentEnabled(): Boolean
+
+  companion object {
+    internal val EP_NAME: ExtensionPointName<NewUsersOnboardingExperimentAccessor> = ExtensionPointName("training.ift.newUsersOnboardingExperimentAccessor")
+
+    fun isExperimentEnabled(): Boolean = EP_NAME.findFirstSafe { it.isExperimentEnabled() } != null
+  }
+}

plugins/ide-features-trainer/src/training/ui/welcomeScreen/OnboardingLessonPromoter.kt

@@ -19,6 +19,7 @@ import training.dsl.dropMnemonic
 import training.lang.LangManager
 import training.learn.CourseManager
 import training.learn.LearnBundle
+import training.learn.NewUsersOnboardingExperimentAccessor
 import training.learn.OpenLessonActivities
 import training.learn.lesson.LessonState
 import training.learn.lesson.LessonStateManager
@@ -46,7 +47,8 @@ open class OnboardingLessonPromoter(@NonNls protected val lessonId: String,
            !notificationScheduled &&
            !PropertiesComponent.getInstance().getBoolean(PROMO_HIDDEN, false) &&
            RecentProjectsManagerBase.getInstanceEx().getRecentPaths().size < 5 &&
-           LessonStateManager.getStateFromBase(lessonId) == LessonState.NOT_PASSED
+           LessonStateManager.getStateFromBase(lessonId) == LessonState.NOT_PASSED &&
+           !NewUsersOnboardingExperimentAccessor.isExperimentEnabled()
   }
 
   override val headerLabel: String