layout/generic/nsRubyContentFrame.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 /* base class for ruby rendering objects that directly contain content */
   8
   9 #include "nsRubyContentFrame.h"
  10
  11 #include "mozilla/ComputedStyle.h"
  12 #include "nsPresContext.h"
  13 #include "nsCSSAnonBoxes.h"
  14
  15 using namespace mozilla;
  16
  17 //----------------------------------------------------------------------
  18
  19 // nsRubyContentFrame Method Implementations
  20 // ======================================
  21
  22 /* virtual */
  23 bool nsRubyContentFrame::IsFrameOfType(uint32_t aFlags) const {
  24   if (aFlags & eBidiInlineContainer) {
  25     return false;
  26   }
  27   return nsInlineFrame::IsFrameOfType(aFlags);
  28 }
  29
  30 bool nsRubyContentFrame::IsIntraLevelWhitespace() const {
  31   auto pseudoType = Style()->GetPseudoType();
  32   if (pseudoType != PseudoStyleType::rubyBase &&
  33       pseudoType != PseudoStyleType::rubyText) {
  34     return false;
  35   }
  36
  37   nsIFrame* child = mFrames.OnlyChild();
  38   return child && child->GetContent()->TextIsOnlyWhitespace();
  39 }