gecko-dev/layout/svg/SVGGFrame.cpp

59 строки
2.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
// Main header first:
#include "SVGGFrame.h"
// Keep others in (case-insensitive) order:
#include "mozilla/dom/SVGElement.h"
#include "mozilla/PresShell.h"
#include "nsGkAtoms.h"
#include "nsIFrame.h"
using namespace mozilla::dom;
//----------------------------------------------------------------------
// Implementation
nsIFrame* NS_NewSVGGFrame(mozilla::PresShell* aPresShell,
mozilla::ComputedStyle* aStyle) {
return new (aPresShell)
mozilla::SVGGFrame(aStyle, aPresShell->GetPresContext());
}
namespace mozilla {
NS_IMPL_FRAMEARENA_HELPERS(SVGGFrame)
#ifdef DEBUG
void SVGGFrame::Init(nsIContent* aContent, nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) {
NS_ASSERTION(aContent->IsSVGElement() &&
static_cast<SVGElement*>(aContent)->IsTransformable(),
"The element is not transformable");
SVGDisplayContainerFrame::Init(aContent, aParent, aPrevInFlow);
}
#endif /* DEBUG */
//----------------------------------------------------------------------
// ISVGDisplayableFrame methods
nsresult SVGGFrame::AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
int32_t aModType) {
if (aNameSpaceID == kNameSpaceID_None && aAttribute == nsGkAtoms::transform) {
// We don't invalidate for transform changes (the layers code does that).
// Also note that SVGTransformableElement::GetAttributeChangeHint will
// return nsChangeHint_UpdateOverflow for "transform" attribute changes
// and cause DoApplyRenderingChangeToTree to make the SchedulePaint call.
NotifySVGChanged(TRANSFORM_CHANGED);
}
return NS_OK;
}
} // namespace mozilla