1 files changed, 22 insertions, 10 deletions
diff --git a/layout/generic/nsFrameSelection.h b/layout/generic/nsFrameSelection.h
index e8c55d53b5..3ba6fa72ca 100644
--- a/layout/generic/nsFrameSelection.h
+++ b/layout/generic/nsFrameSelection.h
@@ -200,6 +200,7 @@ class SelectionChangeEventDispatcher;
 namespace dom {
 class Highlight;
 class Selection;
+enum class ClickSelectionType { NotApplicable, Double, Triple };
 }  // namespace dom
 
 /**
@@ -259,14 +260,17 @@ class nsFrameSelection final {
 
  public:
   /**
-   * Sets flag to true if a selection is created by doubleclick or
-   * long tapping a word.
+   * Sets the type of the selection based on whether a selection is created
+   * by doubleclick, long tapping a word or tripleclick.
    *
-   * @param aIsDoubleClickSelection   True if the selection is created by
-   *                                  doubleclick or long tap over a word.
+   * @param aClickSelectionType   ClickSelectionType::Double if the selection
+   *                              is created by doubleclick,
+   *                              ClickSelectionType::Triple if the selection
+   *                              is created by tripleclick.
    */
-  void SetIsDoubleClickSelection(bool aIsDoubleClickSelection) {
-    mIsDoubleClickSelection = aIsDoubleClickSelection;
+  void SetClickSelectionType(
+      mozilla::dom::ClickSelectionType aClickSelectionType) {
+    mClickSelectionType = aClickSelectionType;
   }
 
   /**
@@ -274,7 +278,14 @@ class nsFrameSelection final {
    * long tap over a word.
    */
   [[nodiscard]] bool IsDoubleClickSelection() const {
-    return mIsDoubleClickSelection;
+    return mClickSelectionType == mozilla::dom::ClickSelectionType::Double;
+  }
+
+  /**
+   * Returns true if the selection was created by triple click
+   */
+  [[nodiscard]] bool IsTripleClickSelection() const {
+    return mClickSelectionType == mozilla::dom::ClickSelectionType::Triple;
   }
 
   /**
@@ -1102,11 +1113,12 @@ class nsFrameSelection final {
   bool mDragState = false;  // for drag purposes
   bool mAccessibleCaretEnabled = false;
 
-  // Records if a selection was created by doubleclicking a word.
-  // This information is needed later on to determine if a leading
+  // Records if a selection was created by doubleclicking or tripleclicking
+  // a word. This information is needed later on to determine if a leading
   // or trailing whitespace needs to be removed as well to achieve
   // native behaviour on macOS.
-  bool mIsDoubleClickSelection{false};
+  mozilla::dom::ClickSelectionType mClickSelectionType =
+      mozilla::dom::ClickSelectionType::NotApplicable;
 };
 
 /**