[tbb-commits] [tor-browser] 18/46: Bug 1793676 - Dynamically generate DOM code names for some continuous runs of codes, r=mccr8, a=dmeehan

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richard pushed a commit to branch base-browser-102.5.0esr-12.0-1
in repository tor-browser.

commit 1f8f27445df1bee4b2b9e7901f1163b509cf54ed
Author: Nika Layzell <nika at thelayzells.com>
AuthorDate: Fri Oct 14 21:32:17 2022 +0000

    Bug 1793676 - Dynamically generate DOM code names for some continuous runs of codes, r=mccr8, a=dmeehan
    
    Differential Revision: https://phabricator.services.mozilla.com/D159400
---
 widget/WidgetEventImpl.cpp | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/widget/WidgetEventImpl.cpp b/widget/WidgetEventImpl.cpp
index 254b176a4365..aa3a9f94adf5 100644
--- a/widget/WidgetEventImpl.cpp
+++ b/widget/WidgetEventImpl.cpp
@@ -1186,6 +1186,37 @@ void WidgetKeyboardEvent::GetDOMCodeName(CodeNameIndex aCodeNameIndex,
   MOZ_RELEASE_ASSERT(
       static_cast<size_t>(aCodeNameIndex) < ArrayLength(kCodeNames),
       "Illegal physical code enumeration value");
+
+  // Generate some continuous runs of codes, rather than looking them up.
+  if (aCodeNameIndex >= CODE_NAME_INDEX_KeyA &&
+      aCodeNameIndex <= CODE_NAME_INDEX_KeyZ) {
+    uint32_t index = aCodeNameIndex - CODE_NAME_INDEX_KeyA;
+    aCodeName.AssignLiteral(u"Key");
+    aCodeName.Append(u'A' + index);
+    return;
+  }
+  if (aCodeNameIndex >= CODE_NAME_INDEX_Digit0 &&
+      aCodeNameIndex <= CODE_NAME_INDEX_Digit9) {
+    uint32_t index = aCodeNameIndex - CODE_NAME_INDEX_Digit0;
+    aCodeName.AssignLiteral(u"Digit");
+    aCodeName.AppendInt(index);
+    return;
+  }
+  if (aCodeNameIndex >= CODE_NAME_INDEX_Numpad0 &&
+      aCodeNameIndex <= CODE_NAME_INDEX_Numpad9) {
+    uint32_t index = aCodeNameIndex - CODE_NAME_INDEX_Numpad0;
+    aCodeName.AssignLiteral(u"Numpad");
+    aCodeName.AppendInt(index);
+    return;
+  }
+  if (aCodeNameIndex >= CODE_NAME_INDEX_F1 &&
+      aCodeNameIndex <= CODE_NAME_INDEX_F24) {
+    uint32_t index = aCodeNameIndex - CODE_NAME_INDEX_F1;
+    aCodeName.Assign(u'F');
+    aCodeName.AppendInt(index + 1);
+    return;
+  }
+
   aCodeName = kCodeNames[aCodeNameIndex];
 }
 

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