1 files changed, 45 insertions, 0 deletions
diff --git a/comm/mailnews/mime/emitters/nsEmitterUtils.cpp b/comm/mailnews/mime/emitters/nsEmitterUtils.cpp
new file mode 100644
index 0000000000..d2e29026ba
--- /dev/null
+++ b/comm/mailnews/mime/emitters/nsEmitterUtils.cpp
@@ -0,0 +1,45 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsCOMPtr.h"
+#include "prmem.h"
+#include "plstr.h"
+#include "nsMailHeaders.h"
+#include "nsIMimeEmitter.h"
+#include "prprf.h"
+
+extern "C" bool EmitThisHeaderForPrefSetting(int32_t dispType,
+                                             const char* header) {
+  if (nsMimeHeaderDisplayTypes::AllHeaders == dispType) return true;
+
+  if ((!header) || (!*header)) return false;
+
+  if (nsMimeHeaderDisplayTypes::MicroHeaders == dispType) {
+    if ((!strcmp(header, HEADER_SUBJECT)) || (!strcmp(header, HEADER_FROM)) ||
+        (!strcmp(header, HEADER_DATE)))
+      return true;
+    else
+      return false;
+  }
+
+  if (nsMimeHeaderDisplayTypes::NormalHeaders == dispType) {
+    if (!strcmp(header, HEADER_DATE) || !strcmp(header, HEADER_TO) ||
+        !strcmp(header, HEADER_SUBJECT) || !strcmp(header, HEADER_SENDER) ||
+        !strcmp(header, HEADER_RESENT_TO) ||
+        !strcmp(header, HEADER_RESENT_SENDER) ||
+        !strcmp(header, HEADER_RESENT_FROM) ||
+        !strcmp(header, HEADER_RESENT_CC) || !strcmp(header, HEADER_REPLY_TO) ||
+        !strcmp(header, HEADER_REFERENCES) ||
+        !strcmp(header, HEADER_NEWSGROUPS) ||
+        !strcmp(header, HEADER_MESSAGE_ID) || !strcmp(header, HEADER_FROM) ||
+        !strcmp(header, HEADER_FOLLOWUP_TO) || !strcmp(header, HEADER_CC) ||
+        !strcmp(header, HEADER_ORGANIZATION) || !strcmp(header, HEADER_BCC))
+      return true;
+    else
+      return false;
+  }
+
+  return true;
+}