From f61a99e5ed6de754e9e99d05634c508f0b4d951a Mon Sep 17 00:00:00 2001
From: Makoto Kato <m_kato@ga2.so-net.ne.jp>
Date: Thu, 9 Jan 2020 09:53:16 +0100
Subject: Issue #1348 - Part 1: Clean up input scope support for IMM32.

Use AutoTArray to set input scope.
---
 widget/windows/WinIMEHandler.cpp | 76 ++++++++++++++--------------------------
 1 file changed, 26 insertions(+), 50 deletions(-)

diff --git a/widget/windows/WinIMEHandler.cpp b/widget/windows/WinIMEHandler.cpp
index d44f729c4..99f0fb136 100644
--- a/widget/windows/WinIMEHandler.cpp
+++ b/widget/windows/WinIMEHandler.cpp
@@ -588,77 +588,53 @@ IMEHandler::SetInputScopeForIMM32(nsWindow* aWindow,
   if (sIsInTSFMode || !sSetInputScopes || aWindow->Destroyed()) {
     return;
   }
-  UINT arraySize = 0;
-  const InputScope* scopes = nullptr;
+  AutoTArray<InputScope, 3> scopes;
   // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html
   if (aHTMLInputType.IsEmpty() || aHTMLInputType.EqualsLiteral("text")) {
     if (aHTMLInputInputmode.EqualsLiteral("url")) {
-      static const InputScope inputScopes[] = { IS_URL };
-      scopes = &inputScopes[0];
-      arraySize = ArrayLength(inputScopes);
+      scopes.AppendElement(IS_URL);
     } else if (aHTMLInputInputmode.EqualsLiteral("email")) {
-      static const InputScope inputScopes[] = { IS_EMAIL_SMTPEMAILADDRESS };
-      scopes = &inputScopes[0];
-      arraySize = ArrayLength(inputScopes);
+      scopes.AppendElement(IS_EMAIL_SMTPEMAILADDRESS);
     } else if (aHTMLInputInputmode.EqualsLiteral("tel")) {
-      static const InputScope inputScopes[] =
-        {IS_TELEPHONE_LOCALNUMBER, IS_TELEPHONE_FULLTELEPHONENUMBER};
-      scopes = &inputScopes[0];
-      arraySize = ArrayLength(inputScopes);
+      scopes.AppendElement(IS_TELEPHONE_LOCALNUMBER);
+      scopes.AppendElement(IS_TELEPHONE_FULLTELEPHONENUMBER);
     } else if (aHTMLInputInputmode.EqualsLiteral("numeric")) {
-      static const InputScope inputScopes[] = { IS_NUMBER };
-      scopes = &inputScopes[0];
-      arraySize = ArrayLength(inputScopes);
+      scopes.AppendElement(IS_NUMBER);
     } else {
-      static const InputScope inputScopes[] = { IS_DEFAULT };
-      scopes = &inputScopes[0];
-      arraySize = ArrayLength(inputScopes);
+      scopes.AppendElement(IS_DEFAULT);
     }
   } else if (aHTMLInputType.EqualsLiteral("url")) {
-    static const InputScope inputScopes[] = { IS_URL };
-    scopes = &inputScopes[0];
-    arraySize = ArrayLength(inputScopes);
+    scopes.AppendElement(IS_URL);
   } else if (aHTMLInputType.EqualsLiteral("search")) {
-    static const InputScope inputScopes[] = { IS_SEARCH };
-    scopes = &inputScopes[0];
-    arraySize = ArrayLength(inputScopes);
+    scopes.AppendElement(IS_SEARCH);
   } else if (aHTMLInputType.EqualsLiteral("email")) {
-    static const InputScope inputScopes[] = { IS_EMAIL_SMTPEMAILADDRESS };
-    scopes = &inputScopes[0];
-    arraySize = ArrayLength(inputScopes);
+    scopes.AppendElement(IS_EMAIL_SMTPEMAILADDRESS);
   } else if (aHTMLInputType.EqualsLiteral("password")) {
-    static const InputScope inputScopes[] = { IS_PASSWORD };
-    scopes = &inputScopes[0];
-    arraySize = ArrayLength(inputScopes);
+    scopes.AppendElement(IS_PASSWORD);
   } else if (aHTMLInputType.EqualsLiteral("datetime") ||
              aHTMLInputType.EqualsLiteral("datetime-local")) {
-    static const InputScope inputScopes[] = {
-      IS_DATE_FULLDATE, IS_TIME_FULLTIME };
-    scopes = &inputScopes[0];
-    arraySize = ArrayLength(inputScopes);
+    scopes.AppendElement(IS_DATE_FULLDATE);
+    scopes.AppendElement(IS_TIME_FULLTIME);
   } else if (aHTMLInputType.EqualsLiteral("date") ||
              aHTMLInputType.EqualsLiteral("month") ||
              aHTMLInputType.EqualsLiteral("week")) {
-    static const InputScope inputScopes[] = { IS_DATE_FULLDATE };
-    scopes = &inputScopes[0];
-    arraySize = ArrayLength(inputScopes);
+    scopes.AppendElement(IS_DATE_FULLDATE);
   } else if (aHTMLInputType.EqualsLiteral("time")) {
-    static const InputScope inputScopes[] = { IS_TIME_FULLTIME };
-    scopes = &inputScopes[0];
-    arraySize = ArrayLength(inputScopes);
+    scopes.AppendElement(IS_TIME_FULLTIME);
   } else if (aHTMLInputType.EqualsLiteral("tel")) {
-    static const InputScope inputScopes[] = {
-      IS_TELEPHONE_FULLTELEPHONENUMBER, IS_TELEPHONE_LOCALNUMBER };
-    scopes = &inputScopes[0];
-    arraySize = ArrayLength(inputScopes);
+    scopes.AppendElement(IS_TELEPHONE_FULLTELEPHONENUMBER);
+    scopes.AppendElement(IS_TELEPHONE_LOCALNUMBER);
   } else if (aHTMLInputType.EqualsLiteral("number")) {
-    static const InputScope inputScopes[] = { IS_NUMBER };
-    scopes = &inputScopes[0];
-    arraySize = ArrayLength(inputScopes);
+    scopes.AppendElement(IS_NUMBER);
   }
-  if (scopes && arraySize > 0) {
-    sSetInputScopes(aWindow->GetWindowHandle(), scopes, arraySize, nullptr, 0,
-                    nullptr, nullptr);
+  if (!scopes.IsEmpty()) {
+    sSetInputScopes(aWindow->GetWindowHandle(),
+                    scopes.Elements(),
+                    scopes.Length(),
+                    nullptr,
+                    0,
+                    nullptr,
+                    nullptr);
   }
 }
 
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