Update SDK sunsetting support warnings (#8235)

This adds a notification for when an SDK is no longer supported and
after sunset (in addition to when an SDK is in a warning stage, i.e.
about to sunset in a few months).

Author: helin24

flutter-idea/src/io/flutter/FlutterInitializer.java

@@ -57,6 +57,7 @@
 import io.flutter.utils.OpenApiUtils;
 import io.flutter.view.InspectorViewFactory;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -316,7 +317,32 @@ private void checkSdkVersionNotification(@NotNull Project project) {
     // See FlutterSdkVersion.MIN_SDK_SUPPORTED.
     if (version.isValid() && !version.isSDKSupported()) {
       final FlutterSettings settings = FlutterSettings.getInstance();
-      if (settings == null || settings.isSdkVersionOutdatedWarningAcknowledged(version.getVersionText())) return;
+      if (settings == null || settings.isSdkVersionOutdatedWarningAcknowledged(version.getVersionText(), false)) return;
+      OpenApiUtils.safeInvokeLater(() -> {
+        final Notification notification = new Notification(FlutterMessages.FLUTTER_NOTIFICATION_GROUP_ID,
+                                                           "Flutter SDK requires update",
+                                                           "Support for v" +
+                                                           version.getVersionText() +
+                                                           " of the Flutter SDK has been removed and we are no longer fixing issues that" +
+                                                           " result from this version. Consider updating to a more recent Flutter SDK.",
+                                                           NotificationType.WARNING);
+
+        notification.addAction(new AnAction("Dismiss") {
+          @Override
+          public void actionPerformed(@NotNull AnActionEvent event) {
+            settings.setSdkVersionOutdatedWarningAcknowledged(version.getVersionText(), false, true);
+            notification.expire();
+          }
+        });
+        Notifications.Bus.notify(notification, project);
+      });
+      return;
+    }
+
+    // See FlutterSdkVersion.MIN_SDK_WITHOUT_SUNSET_WARNING.
+    if (version.isValid() && version.isSDKAboutToSunset()) {
+      final FlutterSettings settings = FlutterSettings.getInstance();
+      if (settings == null || settings.isSdkVersionOutdatedWarningAcknowledged(version.getVersionText(), true)) return;
 
       OpenApiUtils.safeInvokeLater(() -> {
         final Notification notification = new Notification(FlutterMessages.FLUTTER_NOTIFICATION_GROUP_ID,
@@ -341,7 +367,7 @@ private void checkSdkVersionNotification(@NotNull Project project) {
         notification.addAction(new AnAction("Dismiss") {
           @Override
           public void actionPerformed(@NotNull AnActionEvent event) {
-            settings.setSdkVersionOutdatedWarningAcknowledged(version.getVersionText(), true);
+            settings.setSdkVersionOutdatedWarningAcknowledged(version.getVersionText(), true, true);
             notification.expire();
           }
         });

flutter-idea/src/io/flutter/sdk/FlutterSdkVersion.java

@@ -17,19 +17,30 @@
 
 public final class FlutterSdkVersion implements Comparable<FlutterSdkVersion> {
   /**
-   * The minimum version that will trigger a notification that the Flutter SDK needs to be updated, otherwise support may be lost in the
-   * Flutter Plugin.
+   * The minimum version of the Flutter SDK that is still supported. A version less than this should trigger a warning to users that
+   * the Flutter plugin no longer supports the SDK version and we will not be fixing issues resulting from using this version.
    * <p>
    * Note, this is for the Flutter SDK version, not the Dart SDK version, this mapping can be found:
    * <a href="https://docs.flutter.dev/release/archive">Flutter SDK Release Archive list</a>.
    * <p>
-   * The Flutter version `3.7.12` maps to the Dart SDK version in before NNBD (early 2023 stable).
+   * This version was updated last on May 29, 2024.
+   */
+  @VisibleForTesting
+  @NotNull
+  public static final FlutterSdkVersion MIN_SDK_SUPPORTED = new FlutterSdkVersion("3.10.3");
+
+  /**
+   * The minimum version of the Flutter SDK that will be supported for 3 more months. A version less than this is either not supported or
+   * should trigger a warning to users that support for the version will be gone in an upcoming plugin version.
    * <p>
-   * This version was updated last on November 4th, 2024, and in coordination with the VS Code support.
+   * Note, this is for the Flutter SDK version, not the Dart SDK version, this mapping can be found:
+   * <a href="https://docs.flutter.dev/release/archive">Flutter SDK Release Archive list</a>.
+   * <p>
+   * This version was updated last on May 29, 2024.
    */
   @VisibleForTesting
   @NotNull
-  public static final FlutterSdkVersion MIN_SDK_SUPPORTED = new FlutterSdkVersion("3.10.0");
+  public static final FlutterSdkVersion MIN_SDK_WITHOUT_SUNSET_WARNING = new FlutterSdkVersion("3.13.2");
 
   @NotNull
   private static final FlutterSdkVersion MIN_SUPPORTS_DEVTOOLS_PATH_URLS = new FlutterSdkVersion("3.3.0");
@@ -150,6 +161,10 @@ public boolean isSDKSupported() {
     return supportsVersion(MIN_SDK_SUPPORTED);
   }
 
+  public boolean isSDKAboutToSunset() {
+    return this.compareTo(MIN_SDK_SUPPORTED) >= 0 && this.compareTo(MIN_SDK_WITHOUT_SUNSET_WARNING) < 0;
+  }
+
   public boolean isValid() {
     return version != null;
   }

flutter-idea/src/io/flutter/settings/FlutterSettings.java

@@ -235,16 +235,16 @@ public void setShowBazelIosRunNotification(boolean value) {
   /**
    * See {FlutterSdkVersion#MIN_SDK_SUPPORTED}.
    */
-  public boolean isSdkVersionOutdatedWarningAcknowledged(String versionText) {
-    return getPropertiesComponent().getBoolean(getSdkVersionKey(versionText));
+  public boolean isSdkVersionOutdatedWarningAcknowledged(String versionText, boolean isBeforeSunset) {
+    return getPropertiesComponent().getBoolean(getSdkVersionKey(versionText, isBeforeSunset));
   }
 
-  public void setSdkVersionOutdatedWarningAcknowledged(String versionText, boolean value) {
-    getPropertiesComponent().setValue(getSdkVersionKey(versionText), value);
+  public void setSdkVersionOutdatedWarningAcknowledged(String versionText, boolean isBeforeSunset, boolean value) {
+    getPropertiesComponent().setValue(getSdkVersionKey(versionText, isBeforeSunset), value);
   }
 
-  private String getSdkVersionKey(String versionText) {
-    return sdkVersionOutdatedWarningAcknowledgedKey + "_" + versionText;
+  private String getSdkVersionKey(String versionText, boolean isBeforeSunset) {
+    return sdkVersionOutdatedWarningAcknowledgedKey + "_" + versionText + "_" + (isBeforeSunset ? "beforeSunset" : "afterSunset");
   }
 
   public boolean isAndroidStudioBotAcknowledged() {

flutter-idea/testSrc/unit/io/flutter/sdk/FlutterSdkVersionTest.java

@@ -17,14 +17,25 @@ public void parsesGoodVersion() {
   }
 
   @Test
-  public void trackWidgetCreationRecommendedRange() {
+  public void trackSdkVersionSupport() {
     assertFalse(new FlutterSdkVersion("3.9.0").isSDKSupported());
     assertFalse(new FlutterSdkVersion("3.9.0").isSDKSupported());
     assertFalse(new FlutterSdkVersion("3.9.0.pre").isSDKSupported());
-    assertTrue(new FlutterSdkVersion( "3.10.0.pre").isSDKSupported());
-    assertTrue(new FlutterSdkVersion( "3.10.1").isSDKSupported());
-    assertTrue(new FlutterSdkVersion( "3.10.2").isSDKSupported());
+    assertFalse(new FlutterSdkVersion( "3.10.0.pre").isSDKSupported());
+    assertFalse(new FlutterSdkVersion( "3.10.1").isSDKSupported());
+    assertFalse(new FlutterSdkVersion( "3.10.2").isSDKSupported());
+    assertTrue(new FlutterSdkVersion( "3.10.3").isSDKSupported());
+    assertTrue(new FlutterSdkVersion( "3.10.4").isSDKSupported());
     assertFalse(new FlutterSdkVersion( "unknown").isSDKSupported());
+
+    assertTrue(new FlutterSdkVersion("3.10.3").isSDKAboutToSunset());
+    assertTrue(new FlutterSdkVersion("3.10.4").isSDKAboutToSunset());
+    assertTrue(new FlutterSdkVersion("3.10.5").isSDKAboutToSunset());
+    assertTrue(new FlutterSdkVersion("3.10.6").isSDKAboutToSunset());
+    assertTrue(new FlutterSdkVersion("3.13.0").isSDKAboutToSunset());
+    assertTrue(new FlutterSdkVersion("3.13.1").isSDKAboutToSunset());
+    assertFalse(new FlutterSdkVersion("3.13.2").isSDKAboutToSunset());
+    assertFalse(new FlutterSdkVersion("3.13.3").isSDKAboutToSunset());
   }
 
   @Test