Make it possible to disable tapping to dismiss a tooltip. (#137375)

issue: https://github.com/flutter/flutter/issues/137438

Use case: I want to add action button is tooltip and thus want to disable tap to dismiss a tooltip.

![image](https://github.com/flutter/flutter/assets/108393416/39c606fd-d301-4ed4-a411-4916823e5757)

packages/flutter/lib/src/material/tooltip.dart

@@ -185,6 +185,7 @@ class Tooltip extends StatefulWidget {
     this.textAlign,
     this.waitDuration,
     this.showDuration,
+    this.enableTapToDismiss = true,
     this.triggerMode,
     this.enableFeedback,
     this.onTriggered,
@@ -307,6 +308,11 @@ class Tooltip extends StatefulWidget {
   /// for mouse pointer exits the widget.
   final Duration? showDuration;
 
+  /// Whether the tooltip can be dismissed by tap.
+  ///
+  /// The default value is true.
+  final bool enableTapToDismiss;
+
   /// The [TooltipTriggerMode] that will show the tooltip.
   ///
   /// If this property is null, then [TooltipThemeData.triggerMode] is used.
@@ -581,6 +587,9 @@ class TooltipState extends State<Tooltip> with SingleTickerProviderStateMixin {
   // The primary pointer is not part of a "trigger" gesture so the tooltip
   // should be dismissed.
   void _handleTapToDismiss() {
+    if (!widget.enableTapToDismiss) {
+      return ;
+    }
     _scheduleDismissTooltip(withDelay: Duration.zero);
     _activeHoveringPointerDevices.clear();
   }

packages/flutter/test/material/tooltip_test.dart

@@ -1016,6 +1016,39 @@ void main() {
     expect(find.text(tooltipText), findsNothing);
   });
 
+  testWidgetsWithLeakTracking('Tooltip is dismissed after tap to dismiss immediately', (WidgetTester tester) async {
+
+    await setWidgetForTooltipMode(tester, TooltipTriggerMode.tap);
+
+    final Finder tooltip = find.byType(Tooltip);
+    expect(find.text(tooltipText), findsNothing);
+
+   // Tap to trigger the tooltip.
+    await _testGestureTap(tester, tooltip);
+    expect(find.text(tooltipText), findsOneWidget);
+
+   // Tap to dismiss the tooltip. Tooltip is dismissed immediately.
+    await _testGestureTap(tester, find.text(tooltipText));
+    await tester.pump(const Duration(milliseconds: 10));
+    expect(find.text(tooltipText), findsNothing);
+  });
+
+    testWidgetsWithLeakTracking('Tooltip is not dismissed after tap if enableTapToDismiss is false', (WidgetTester tester) async {
+    await setWidgetForTooltipMode(tester, TooltipTriggerMode.tap, enableTapToDismiss: false);
+
+    final Finder tooltip = find.byType(Tooltip);
+    expect(find.text(tooltipText), findsNothing);
+
+   // Tap to trigger the tooltip.
+    await _testGestureTap(tester, tooltip);
+    expect(find.text(tooltipText), findsOneWidget);
+
+   // Tap the tooltip. Tooltip is not dismissed .
+    await _testGestureTap(tester, find.text(tooltipText));
+    await tester.pump(const Duration(milliseconds: 10));
+    expect(find.text(tooltipText), findsOneWidget);
+  });
+
   testWidgetsWithLeakTracking('Tooltip is dismissed after a tap and showDuration expired when competing with a GestureDetector', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/98854
     const Duration showDuration = Duration(seconds: 3);
@@ -2480,6 +2513,7 @@ Future<void> setWidgetForTooltipMode(
   WidgetTester tester,
   TooltipTriggerMode triggerMode, {
   Duration? showDuration,
+  bool? enableTapToDismiss,
   TooltipTriggeredCallback? onTriggered,
 }) async {
   await tester.pumpWidget(
@@ -2489,6 +2523,7 @@ Future<void> setWidgetForTooltipMode(
         triggerMode: triggerMode,
         onTriggered: onTriggered,
         showDuration: showDuration,
+        enableTapToDismiss: enableTapToDismiss ?? true,
         child: const SizedBox(width: 100.0, height: 100.0),
       ),
     ),