1 files changed, 64 insertions, 0 deletions
diff --git a/editor/spellchecker/nsComposeTxtSrvFilter.cpp b/editor/spellchecker/nsComposeTxtSrvFilter.cpp
new file mode 100644
index 0000000000..7ab6eae8cb
--- /dev/null
+++ b/editor/spellchecker/nsComposeTxtSrvFilter.cpp
@@ -0,0 +1,64 @@
+/* -*- 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 "nsComposeTxtSrvFilter.h"
+#include "nsError.h"              // for NS_OK
+#include "nsIContent.h"           // for nsIContent
+#include "nsLiteralString.h"      // for NS_LITERAL_STRING
+#include "mozilla/dom/Element.h"  // for nsIContent
+
+using namespace mozilla;
+
+bool nsComposeTxtSrvFilter::Skip(nsINode* aNode) const {
+  if (NS_WARN_IF(!aNode)) {
+    return false;
+  }
+
+  // Check to see if we can skip this node
+
+  if (aNode->IsAnyOfHTMLElements(nsGkAtoms::script, nsGkAtoms::textarea,
+                                 nsGkAtoms::select, nsGkAtoms::style,
+                                 nsGkAtoms::map)) {
+    return true;
+  }
+
+  if (!mIsForMail) {
+    return false;
+  }
+
+  // For nodes that are blockquotes, we must make sure
+  // their type is "cite"
+  if (aNode->IsHTMLElement(nsGkAtoms::blockquote)) {
+    return aNode->AsElement()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,
+                                           nsGkAtoms::cite, eIgnoreCase);
+  }
+
+  if (aNode->IsHTMLElement(nsGkAtoms::span)) {
+    if (aNode->AsElement()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::mozquote,
+                                        nsGkAtoms::_true, eIgnoreCase)) {
+      return true;
+    }
+
+    return aNode->AsElement()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::_class,
+                                           nsGkAtoms::mozsignature,
+                                           eCaseMatters);
+  }
+
+  if (aNode->IsHTMLElement(nsGkAtoms::table)) {
+    return aNode->AsElement()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::_class,
+                                           u"moz-email-headers-table"_ns,
+                                           eCaseMatters);
+  }
+
+  return false;
+}
+
+// static
+UniquePtr<nsComposeTxtSrvFilter> nsComposeTxtSrvFilter::CreateHelper(
+    bool aIsForMail) {
+  auto filter = MakeUnique<nsComposeTxtSrvFilter>();
+  filter->Init(aIsForMail);
+  return filter;
+}