editor/spellchecker/nsComposeTxtSrvFilter.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "nsComposeTxtSrvFilter.h"
   7 #include "nsError.h"              // for NS_OK
   8 #include "nsIContent.h"           // for nsIContent
   9 #include "nsLiteralString.h"      // for NS_LITERAL_STRING
  10 #include "mozilla/dom/Element.h"  // for nsIContent
  11
  12 using namespace mozilla;
  13
  14 bool nsComposeTxtSrvFilter::Skip(nsINode* aNode) const {
  15   if (NS_WARN_IF(!aNode)) {
  16     return false;
  17   }
  18
  19   // Check to see if we can skip this node
  20
  21   if (aNode->IsAnyOfHTMLElements(nsGkAtoms::script, nsGkAtoms::textarea,
  22                                  nsGkAtoms::select, nsGkAtoms::style,
  23                                  nsGkAtoms::map)) {
  24     return true;
  25   }
  26
  27   if (!mIsForMail) {
  28     return false;
  29   }
  30
  31   // For nodes that are blockquotes, we must make sure
  32   // their type is "cite"
  33   if (aNode->IsHTMLElement(nsGkAtoms::blockquote)) {
  34     return aNode->AsElement()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,
  35                                            nsGkAtoms::cite, eIgnoreCase);
  36   }
  37
  38   if (aNode->IsHTMLElement(nsGkAtoms::span)) {
  39     if (aNode->AsElement()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::mozquote,
  40                                         nsGkAtoms::_true, eIgnoreCase)) {
  41       return true;
  42     }
  43
  44     return aNode->AsElement()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::_class,
  45                                            nsGkAtoms::mozsignature,
  46                                            eCaseMatters);
  47   }
  48
  49   if (aNode->IsHTMLElement(nsGkAtoms::table)) {
  50     return aNode->AsElement()->AttrValueIs(
  51         kNameSpaceID_None, nsGkAtoms::_class,
  52         NS_LITERAL_STRING("moz-email-headers-table"), eCaseMatters);
  53   }
  54
  55   return false;
  56 }
  57
  58 // static
  59 UniquePtr<nsComposeTxtSrvFilter> nsComposeTxtSrvFilter::CreateHelper(
  60     bool aIsForMail) {
  61   auto filter = MakeUnique<nsComposeTxtSrvFilter>();
  62   filter->Init(aIsForMail);
  63   return filter;
  64 }