Bug 1695636 - Part 2: Handle form submission for keypress event in a central place; r=masayuki

Differential Revision: https://phabricator.services.mozilla.com/D135675

dom/html/HTMLInputElement.cpp

@@ -3568,10 +3568,12 @@ bool HTMLInputElement::StepsInputValue(
   return true;
 }
 
-static bool ActivatesWithKeyboard(FormControlType aType) {
+static bool ActivatesWithKeyboard(FormControlType aType, uint32_t aKeyCode) {
   switch (aType) {
     case FormControlType::InputCheckbox:
     case FormControlType::InputRadio:
+      // Checkbox and Radio try to submit on Enter press
+      return aKeyCode != NS_VK_RETURN;
     case FormControlType::InputButton:
     case FormControlType::InputReset:
     case FormControlType::InputSubmit:
@@ -3728,14 +3730,8 @@ nsresult HTMLInputElement::PostHandleEvent(EventChainPostVisitor& aVisitor) {
       FireChangeEventIfNeeded();
       aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault;
     } else if (!preventDefault) {
-      // Checkbox and Radio try to submit on Enter press
-      if (aVisitor.mEvent->mMessage == eKeyPress &&
-          (mType == FormControlType::InputCheckbox ||
-           mType == FormControlType::InputRadio) &&
-          keyEvent->mKeyCode == NS_VK_RETURN && aVisitor.mPresContext) {
-        MaybeSubmitForm(aVisitor.mPresContext);
-      } else if (ActivatesWithKeyboard(mType)) {
-        // Otherwise we maybe dispatch a synthesized click.
+      if (keyEvent && ActivatesWithKeyboard(mType, keyEvent->mKeyCode)) {
+        // We maybe dispatch a synthesized click for keyboard activation.
         HandleKeyboardActivation(aVisitor);
       }
 
@@ -3829,9 +3825,14 @@ nsresult HTMLInputElement::PostHandleEvent(EventChainPostVisitor& aVisitor) {
 
           if (keyEvent->mKeyCode == NS_VK_RETURN &&
               (IsSingleLineTextControl(false, mType) ||
-               mType == FormControlType::InputNumber ||
-               IsDateTimeInputType(mType))) {
+               IsDateTimeInputType(mType) ||
+               mType == FormControlType::InputCheckbox ||
+               mType == FormControlType::InputRadio)) {
+            if (IsSingleLineTextControl(false, mType) ||
+                IsDateTimeInputType(mType)) {
               FireChangeEventIfNeeded();
+            }
+
             if (aVisitor.mPresContext) {
               MaybeSubmitForm(aVisitor.mPresContext);
             }