mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
103 lines
2.9 KiB
C++
103 lines
2.9 KiB
C++
/* -*- 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/. */
|
|
|
|
// Main header first:
|
|
#include "nsSVGGFrame.h"
|
|
|
|
// Keep others in (case-insensitive) order:
|
|
#include "nsGkAtoms.h"
|
|
#include "SVGTransformableElement.h"
|
|
#include "nsIFrame.h"
|
|
#include "SVGGraphicsElement.h"
|
|
#include "nsSVGIntegrationUtils.h"
|
|
#include "nsSVGUtils.h"
|
|
|
|
using namespace mozilla::dom;
|
|
|
|
//----------------------------------------------------------------------
|
|
// Implementation
|
|
|
|
nsIFrame*
|
|
NS_NewSVGGFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
|
|
{
|
|
return new (aPresShell) nsSVGGFrame(aContext);
|
|
}
|
|
|
|
NS_IMPL_FRAMEARENA_HELPERS(nsSVGGFrame)
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHODIMP
|
|
nsSVGGFrame::Init(nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsIFrame* aPrevInFlow)
|
|
{
|
|
nsCOMPtr<SVGTransformableElement> transformable = do_QueryInterface(aContent);
|
|
NS_ASSERTION(transformable,
|
|
"The element doesn't support nsIDOMSVGTransformable\n");
|
|
|
|
return nsSVGGFrameBase::Init(aContent, aParent, aPrevInFlow);
|
|
}
|
|
#endif /* DEBUG */
|
|
|
|
nsIAtom *
|
|
nsSVGGFrame::GetType() const
|
|
{
|
|
return nsGkAtoms::svgGFrame;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
// nsISVGChildFrame methods
|
|
|
|
void
|
|
nsSVGGFrame::NotifySVGChanged(uint32_t aFlags)
|
|
{
|
|
NS_ABORT_IF_FALSE(aFlags & (TRANSFORM_CHANGED | COORD_CONTEXT_CHANGED),
|
|
"Invalidation logic may need adjusting");
|
|
|
|
if (aFlags & TRANSFORM_CHANGED) {
|
|
// make sure our cached transform matrix gets (lazily) updated
|
|
mCanvasTM = nullptr;
|
|
}
|
|
|
|
nsSVGGFrameBase::NotifySVGChanged(aFlags);
|
|
}
|
|
|
|
gfxMatrix
|
|
nsSVGGFrame::GetCanvasTM(uint32_t aFor)
|
|
{
|
|
if (!(GetStateBits() & NS_STATE_SVG_NONDISPLAY_CHILD)) {
|
|
if ((aFor == FOR_PAINTING && NS_SVGDisplayListPaintingEnabled()) ||
|
|
(aFor == FOR_HIT_TESTING && NS_SVGDisplayListHitTestingEnabled())) {
|
|
return nsSVGIntegrationUtils::GetCSSPxToDevPxMatrix(this);
|
|
}
|
|
}
|
|
if (!mCanvasTM) {
|
|
NS_ASSERTION(mParent, "null parent");
|
|
|
|
nsSVGContainerFrame *parent = static_cast<nsSVGContainerFrame*>(mParent);
|
|
SVGGraphicsElement *content = static_cast<SVGGraphicsElement*>(mContent);
|
|
|
|
gfxMatrix tm = content->PrependLocalTransformsTo(parent->GetCanvasTM(aFor));
|
|
|
|
mCanvasTM = new gfxMatrix(tm);
|
|
}
|
|
return *mCanvasTM;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsSVGGFrame::AttributeChanged(int32_t aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
int32_t aModType)
|
|
{
|
|
if (aNameSpaceID == kNameSpaceID_None &&
|
|
aAttribute == nsGkAtoms::transform) {
|
|
nsSVGUtils::InvalidateBounds(this, false);
|
|
nsSVGUtils::ScheduleReflowSVG(this);
|
|
NotifySVGChanged(TRANSFORM_CHANGED);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|