gecko-dev/layout/generic/nsRubyContentFrame.cpp
Xidorn Quan 5f3951012f Bug 1099807 part 2 - Implement intra-level whitespace pairing. r=dholbert
Line breaking is not handled properly in this patch.
It would be fixed in the part 4.

--HG--
extra : source : 49c457bbcd3a55f7ee65b007d50dd2884c7158af
2015-01-08 18:28:09 +11:00

49 lines
1.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code is subject to the terms of the Mozilla Public License
* version 2.0 (the "License"). You can obtain a copy of the License at
* http://mozilla.org/MPL/2.0/. */
/* base class for ruby rendering objects that directly contain content */
#include "nsRubyContentFrame.h"
#include "nsPresContext.h"
#include "nsStyleContext.h"
#include "nsCSSAnonBoxes.h"
using namespace mozilla;
//----------------------------------------------------------------------
// Frame class boilerplate
// =======================
NS_IMPL_FRAMEARENA_HELPERS(nsRubyContentFrame)
//----------------------------------------------------------------------
// nsRubyContentFrame Method Implementations
// ======================================
/* virtual */ bool
nsRubyContentFrame::IsFrameOfType(uint32_t aFlags) const
{
if (aFlags & eBidiInlineContainer) {
return false;
}
return nsRubyContentFrameSuper::IsFrameOfType(aFlags);
}
bool
nsRubyContentFrame::IsIntraLevelWhitespace() const
{
nsIAtom* pseudoType = StyleContext()->GetPseudo();
if (pseudoType != nsCSSAnonBoxes::rubyBase &&
pseudoType != nsCSSAnonBoxes::rubyText) {
return false;
}
nsIFrame* child = mFrames.OnlyChild();
return child && child->GetContent()->TextIsOnlyWhitespace();
}