PY-84031: Open only .ipynb files in Welcome Screen for PyCharm

Space-RevId: 6e05b377754700604f6e91db966ee2337cb0f745

GitOrigin-RevId: 2b025887769e5081ca62c4c217628c3adf016410

platform/non-modal-welcome-screen/src/com/intellij/platform/ide/nonModalWelcomeScreen/WelcomeScreenCommandLineProjectOpenProcessor.kt

@@ -45,7 +45,7 @@ private abstract class DummyProjectOpenProcessor(override val name: String) : Pr
 private class WelcomeScreenCommandLineProjectOpenProcessor : DummyProjectOpenProcessor("WelcomeScreenCommandLineProjectOpenProcessor") {
   override suspend fun openProjectAndFile(file: Path, tempProject: Boolean, options: OpenProjectTask): Project? {
     val provider = getWelcomeScreenProjectProvider() ?: return null
-    if (provider.canOpenFilesFromSystemFileManager()) {
+    if (provider.canOpenFilesFromSystemFileManager(file)) {
       return openWelcomeScreenProject(file)
     }
     return null

platform/platform-impl/src/com/intellij/openapi/wm/ex/WelcomeScreenProjectProvider.kt

@@ -72,8 +72,8 @@ abstract class WelcomeScreenProjectProvider {
       return getWelcomeScreenProjectProvider()?.getWelcomeScreenProjectPath()
     }
 
-    fun canOpenFilesFromSystemFileManager(): Boolean {
-      return getWelcomeScreenProjectProvider()?.canOpenFilesFromSystemFileManager() ?: false
+    fun canOpenFilesFromSystemFileManager(filePath: Path): Boolean {
+      return getWelcomeScreenProjectProvider()?.canOpenFilesFromSystemFileManager(filePath) ?: false
     }
 
     suspend fun createOrOpenWelcomeScreenProject(extension: WelcomeScreenProjectProvider): Project {
@@ -98,9 +98,9 @@ abstract class WelcomeScreenProjectProvider {
   }
 
   /**
-   * Return true if the welcome screen project can open non-project files from the file manager (Explorer, Finder).
+   * Return true if the welcome screen project can open [filePath] from the file manager (Explorer, Finder) or command line.
    */
-  abstract fun canOpenFilesFromSystemFileManager(): Boolean
+  abstract fun canOpenFilesFromSystemFileManager(filePath: Path): Boolean
 
   protected open fun getWelcomeScreenProjectPath(): Path {
     return ProjectUtil.getProjectPath(getWelcomeScreenProjectName()).absolute()

python/ide/impl/src/com/intellij/pycharm/community/ide/impl/welcomeScreen/PyCharmWelcomeScreenProjectProvider.kt

@@ -35,8 +35,8 @@ internal class PyCharmWelcomeScreenProjectProvider : WelcomeScreenProjectProvide
 
   override fun doGetCreateNewFileProjectPrefix(): String = "awesomeProject"
 
-  override fun canOpenFilesFromSystemFileManager(): Boolean {
-    return Registry.`is`("welcome.screen.open.files", false)
+  override fun canOpenFilesFromSystemFileManager(filePath: Path): Boolean {
+    return Registry.`is`("welcome.screen.open.files", false) && filePath.endsWith(".ipynb")
   }
 
   override suspend fun doCreateOrOpenWelcomeScreenProject(path: Path): Project {