gecko/layout/svg/nsSVGSwitchFrame.cpp
Alexandre Dumont 01f3a22f41 Bug 596753: Flatten layout/svg/base/src into layout/svg. r=dholbert
--HG--
rename : layout/svg/base/src/Makefile.in => layout/svg/Makefile.in
rename : layout/svg/base/src/SVGFEContainerFrame.cpp => layout/svg/SVGFEContainerFrame.cpp
rename : layout/svg/base/src/SVGFEImageFrame.cpp => layout/svg/SVGFEImageFrame.cpp
rename : layout/svg/base/src/SVGFELeafFrame.cpp => layout/svg/SVGFELeafFrame.cpp
rename : layout/svg/base/src/SVGFEUnstyledLeafFrame.cpp => layout/svg/SVGFEUnstyledLeafFrame.cpp
rename : layout/svg/base/src/SVGViewFrame.cpp => layout/svg/SVGViewFrame.cpp
rename : layout/svg/base/src/nsISVGChildFrame.h => layout/svg/nsISVGChildFrame.h
rename : layout/svg/base/src/nsISVGGlyphFragmentNode.h => layout/svg/nsISVGGlyphFragmentNode.h
rename : layout/svg/base/src/nsISVGSVGFrame.h => layout/svg/nsISVGSVGFrame.h
rename : layout/svg/base/src/nsSVGAFrame.cpp => layout/svg/nsSVGAFrame.cpp
rename : layout/svg/base/src/nsSVGClipPathFrame.cpp => layout/svg/nsSVGClipPathFrame.cpp
rename : layout/svg/base/src/nsSVGClipPathFrame.h => layout/svg/nsSVGClipPathFrame.h
rename : layout/svg/base/src/nsSVGContainerFrame.cpp => layout/svg/nsSVGContainerFrame.cpp
rename : layout/svg/base/src/nsSVGContainerFrame.h => layout/svg/nsSVGContainerFrame.h
rename : layout/svg/base/src/nsSVGEffects.cpp => layout/svg/nsSVGEffects.cpp
rename : layout/svg/base/src/nsSVGEffects.h => layout/svg/nsSVGEffects.h
rename : layout/svg/base/src/nsSVGFilterFrame.cpp => layout/svg/nsSVGFilterFrame.cpp
rename : layout/svg/base/src/nsSVGFilterFrame.h => layout/svg/nsSVGFilterFrame.h
rename : layout/svg/base/src/nsSVGFilterInstance.cpp => layout/svg/nsSVGFilterInstance.cpp
rename : layout/svg/base/src/nsSVGFilterInstance.h => layout/svg/nsSVGFilterInstance.h
rename : layout/svg/base/src/nsSVGFilterPaintCallback.h => layout/svg/nsSVGFilterPaintCallback.h
rename : layout/svg/base/src/nsSVGForeignObjectFrame.cpp => layout/svg/nsSVGForeignObjectFrame.cpp
rename : layout/svg/base/src/nsSVGForeignObjectFrame.h => layout/svg/nsSVGForeignObjectFrame.h
rename : layout/svg/base/src/nsSVGGFrame.cpp => layout/svg/nsSVGGFrame.cpp
rename : layout/svg/base/src/nsSVGGFrame.h => layout/svg/nsSVGGFrame.h
rename : layout/svg/base/src/nsSVGGenericContainerFrame.cpp => layout/svg/nsSVGGenericContainerFrame.cpp
rename : layout/svg/base/src/nsSVGGenericContainerFrame.h => layout/svg/nsSVGGenericContainerFrame.h
rename : layout/svg/base/src/nsSVGGeometryFrame.cpp => layout/svg/nsSVGGeometryFrame.cpp
rename : layout/svg/base/src/nsSVGGeometryFrame.h => layout/svg/nsSVGGeometryFrame.h
rename : layout/svg/base/src/nsSVGGlyphFrame.cpp => layout/svg/nsSVGGlyphFrame.cpp
rename : layout/svg/base/src/nsSVGGlyphFrame.h => layout/svg/nsSVGGlyphFrame.h
rename : layout/svg/base/src/nsSVGGradientFrame.cpp => layout/svg/nsSVGGradientFrame.cpp
rename : layout/svg/base/src/nsSVGGradientFrame.h => layout/svg/nsSVGGradientFrame.h
rename : layout/svg/base/src/nsSVGImageFrame.cpp => layout/svg/nsSVGImageFrame.cpp
rename : layout/svg/base/src/nsSVGInnerSVGFrame.cpp => layout/svg/nsSVGInnerSVGFrame.cpp
rename : layout/svg/base/src/nsSVGInnerSVGFrame.h => layout/svg/nsSVGInnerSVGFrame.h
rename : layout/svg/base/src/nsSVGIntegrationUtils.cpp => layout/svg/nsSVGIntegrationUtils.cpp
rename : layout/svg/base/src/nsSVGIntegrationUtils.h => layout/svg/nsSVGIntegrationUtils.h
rename : layout/svg/base/src/nsSVGMarkerFrame.cpp => layout/svg/nsSVGMarkerFrame.cpp
rename : layout/svg/base/src/nsSVGMarkerFrame.h => layout/svg/nsSVGMarkerFrame.h
rename : layout/svg/base/src/nsSVGMaskFrame.cpp => layout/svg/nsSVGMaskFrame.cpp
rename : layout/svg/base/src/nsSVGMaskFrame.h => layout/svg/nsSVGMaskFrame.h
rename : layout/svg/base/src/nsSVGOuterSVGFrame.cpp => layout/svg/nsSVGOuterSVGFrame.cpp
rename : layout/svg/base/src/nsSVGOuterSVGFrame.h => layout/svg/nsSVGOuterSVGFrame.h
rename : layout/svg/base/src/nsSVGPaintServerFrame.cpp => layout/svg/nsSVGPaintServerFrame.cpp
rename : layout/svg/base/src/nsSVGPaintServerFrame.h => layout/svg/nsSVGPaintServerFrame.h
rename : layout/svg/base/src/nsSVGPathGeometryFrame.cpp => layout/svg/nsSVGPathGeometryFrame.cpp
rename : layout/svg/base/src/nsSVGPathGeometryFrame.h => layout/svg/nsSVGPathGeometryFrame.h
rename : layout/svg/base/src/nsSVGPatternFrame.cpp => layout/svg/nsSVGPatternFrame.cpp
rename : layout/svg/base/src/nsSVGPatternFrame.h => layout/svg/nsSVGPatternFrame.h
rename : layout/svg/base/src/nsSVGStopFrame.cpp => layout/svg/nsSVGStopFrame.cpp
rename : layout/svg/base/src/nsSVGSwitchFrame.cpp => layout/svg/nsSVGSwitchFrame.cpp
rename : layout/svg/base/src/nsSVGTSpanFrame.cpp => layout/svg/nsSVGTSpanFrame.cpp
rename : layout/svg/base/src/nsSVGTSpanFrame.h => layout/svg/nsSVGTSpanFrame.h
rename : layout/svg/base/src/nsSVGTextContainerFrame.cpp => layout/svg/nsSVGTextContainerFrame.cpp
rename : layout/svg/base/src/nsSVGTextContainerFrame.h => layout/svg/nsSVGTextContainerFrame.h
rename : layout/svg/base/src/nsSVGTextFrame.cpp => layout/svg/nsSVGTextFrame.cpp
rename : layout/svg/base/src/nsSVGTextFrame.h => layout/svg/nsSVGTextFrame.h
rename : layout/svg/base/src/nsSVGTextPathFrame.cpp => layout/svg/nsSVGTextPathFrame.cpp
rename : layout/svg/base/src/nsSVGTextPathFrame.h => layout/svg/nsSVGTextPathFrame.h
rename : layout/svg/base/src/nsSVGUseFrame.cpp => layout/svg/nsSVGUseFrame.cpp
rename : layout/svg/base/src/nsSVGUtils.cpp => layout/svg/nsSVGUtils.cpp
rename : layout/svg/base/src/nsSVGUtils.h => layout/svg/nsSVGUtils.h
rename : layout/svg/base/src/resources/content/svgBindings.xml => layout/svg/resources/content/svgBindings.xml
rename : layout/svg/base/src/svg.css => layout/svg/svg.css
2012-09-24 23:01:21 +02:00

272 lines
8.0 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/. */
// Keep in (case-insensitive) order:
#include "gfxMatrix.h"
#include "gfxRect.h"
#include "nsSVGEffects.h"
#include "nsSVGGFrame.h"
#include "nsSVGSwitchElement.h"
#include "nsSVGUtils.h"
class nsRenderingContext;
typedef nsSVGGFrame nsSVGSwitchFrameBase;
class nsSVGSwitchFrame : public nsSVGSwitchFrameBase
{
friend nsIFrame*
NS_NewSVGSwitchFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
protected:
nsSVGSwitchFrame(nsStyleContext* aContext) :
nsSVGSwitchFrameBase(aContext) {}
public:
NS_DECL_FRAMEARENA_HELPERS
#ifdef DEBUG
NS_IMETHOD Init(nsIContent* aContent,
nsIFrame* aParent,
nsIFrame* aPrevInFlow);
#endif
/**
* Get the "type" of the frame
*
* @see nsGkAtoms::svgSwitchFrame
*/
virtual nsIAtom* GetType() const;
#ifdef DEBUG
NS_IMETHOD GetFrameName(nsAString& aResult) const
{
return MakeFrameName(NS_LITERAL_STRING("SVGSwitch"), aResult);
}
#endif
NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists);
// nsISVGChildFrame interface:
NS_IMETHOD PaintSVG(nsRenderingContext* aContext, const nsIntRect *aDirtyRect);
NS_IMETHODIMP_(nsIFrame*) GetFrameForPoint(const nsPoint &aPoint);
NS_IMETHODIMP_(nsRect) GetCoveredRegion();
virtual void ReflowSVG();
virtual SVGBBox GetBBoxContribution(const gfxMatrix &aToBBoxUserspace,
uint32_t aFlags);
private:
nsIFrame *GetActiveChildFrame();
};
//----------------------------------------------------------------------
// Implementation
nsIFrame*
NS_NewSVGSwitchFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
{
return new (aPresShell) nsSVGSwitchFrame(aContext);
}
NS_IMPL_FRAMEARENA_HELPERS(nsSVGSwitchFrame)
#ifdef DEBUG
NS_IMETHODIMP
nsSVGSwitchFrame::Init(nsIContent* aContent,
nsIFrame* aParent,
nsIFrame* aPrevInFlow)
{
nsCOMPtr<nsIDOMSVGSwitchElement> svgSwitch = do_QueryInterface(aContent);
NS_ASSERTION(svgSwitch, "Content is not an SVG switch\n");
return nsSVGSwitchFrameBase::Init(aContent, aParent, aPrevInFlow);
}
#endif /* DEBUG */
nsIAtom *
nsSVGSwitchFrame::GetType() const
{
return nsGkAtoms::svgSwitchFrame;
}
NS_IMETHODIMP
nsSVGSwitchFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
nsIFrame* kid = GetActiveChildFrame();
if (kid) {
return BuildDisplayListForChild(aBuilder, kid, aDirtyRect, aLists);
}
return NS_OK;
}
NS_IMETHODIMP
nsSVGSwitchFrame::PaintSVG(nsRenderingContext* aContext,
const nsIntRect *aDirtyRect)
{
NS_ASSERTION(!NS_SVGDisplayListPaintingEnabled() ||
(mState & NS_STATE_SVG_NONDISPLAY_CHILD),
"If display lists are enabled, only painting of non-display "
"SVG should take this code path");
const nsStyleDisplay *display = mStyleContext->GetStyleDisplay();
if (display->mOpacity == 0.0)
return NS_OK;
nsIFrame *kid = GetActiveChildFrame();
if (kid) {
nsSVGUtils::PaintFrameWithEffects(aContext, aDirtyRect, kid);
}
return NS_OK;
}
NS_IMETHODIMP_(nsIFrame*)
nsSVGSwitchFrame::GetFrameForPoint(const nsPoint &aPoint)
{
NS_ASSERTION(!NS_SVGDisplayListHitTestingEnabled() ||
(mState & NS_STATE_SVG_NONDISPLAY_CHILD),
"If display lists are enabled, only hit-testing of non-display "
"SVG should take this code path");
nsIFrame *kid = GetActiveChildFrame();
if (kid) {
nsISVGChildFrame* svgFrame = do_QueryFrame(kid);
if (svgFrame) {
return svgFrame->GetFrameForPoint(aPoint);
}
}
return nullptr;
}
NS_IMETHODIMP_(nsRect)
nsSVGSwitchFrame::GetCoveredRegion()
{
nsRect rect;
nsIFrame *kid = GetActiveChildFrame();
if (kid) {
nsISVGChildFrame* child = do_QueryFrame(kid);
if (child) {
rect = child->GetCoveredRegion();
}
}
return rect;
}
void
nsSVGSwitchFrame::ReflowSVG()
{
NS_ASSERTION(nsSVGUtils::OuterSVGIsCallingReflowSVG(this),
"This call is probably a wasteful mistake");
NS_ABORT_IF_FALSE(!(GetStateBits() & NS_STATE_SVG_NONDISPLAY_CHILD),
"ReflowSVG mechanism not designed for this");
if (!nsSVGUtils::NeedsReflowSVG(this)) {
return;
}
// If the NS_FRAME_FIRST_REFLOW bit has been removed from our parent frame,
// then our outer-<svg> has previously had its initial reflow. In that case
// we need to make sure that that bit has been removed from ourself _before_
// recursing over our children to ensure that they know too. Otherwise, we
// need to remove it _after_ recursing over our children so that they know
// the initial reflow is currently underway.
bool outerSVGHasHadFirstReflow =
(GetParent()->GetStateBits() & NS_FRAME_FIRST_REFLOW) == 0;
if (outerSVGHasHadFirstReflow) {
mState &= ~NS_FRAME_FIRST_REFLOW; // tell our children
}
nsOverflowAreas overflowRects;
nsIFrame *child = GetActiveChildFrame();
if (child) {
nsISVGChildFrame* svgChild = do_QueryFrame(child);
if (svgChild) {
NS_ABORT_IF_FALSE(!(child->GetStateBits() & NS_STATE_SVG_NONDISPLAY_CHILD),
"Check for this explicitly in the |if|, then");
svgChild->ReflowSVG();
// We build up our child frame overflows here instead of using
// nsLayoutUtils::UnionChildOverflow since SVG frame's all use the same
// frame list, and we're iterating over that list now anyway.
ConsiderChildOverflow(overflowRects, child);
}
}
if (mState & NS_FRAME_FIRST_REFLOW) {
// Make sure we have our filter property (if any) before calling
// FinishAndStoreOverflow (subsequent filter changes are handled off
// nsChangeHint_UpdateEffects):
nsSVGEffects::UpdateEffects(this);
}
// We only invalidate if we are dirty, if our outer-<svg> has already had its
// initial reflow (since if it hasn't, its entire area will be invalidated
// when it gets that initial reflow), and if our parent is not dirty (since
// if it is, then it will invalidate its entire new area, which will include
// our new area).
bool invalidate = (mState & NS_FRAME_IS_DIRTY) &&
!(GetParent()->GetStateBits() &
(NS_FRAME_FIRST_REFLOW | NS_FRAME_IS_DIRTY));
FinishAndStoreOverflow(overflowRects, mRect.Size());
// Remove state bits after FinishAndStoreOverflow so that it doesn't
// invalidate on first reflow:
mState &= ~(NS_FRAME_FIRST_REFLOW | NS_FRAME_IS_DIRTY |
NS_FRAME_HAS_DIRTY_CHILDREN);
if (invalidate) {
// XXXSDL Let FinishAndStoreOverflow do this.
nsSVGUtils::InvalidateBounds(this, true);
}
}
SVGBBox
nsSVGSwitchFrame::GetBBoxContribution(const gfxMatrix &aToBBoxUserspace,
uint32_t aFlags)
{
nsIFrame* kid = GetActiveChildFrame();
if (kid) {
nsISVGChildFrame* svgKid = do_QueryFrame(kid);
if (svgKid) {
nsIContent *content = kid->GetContent();
gfxMatrix transform = aToBBoxUserspace;
if (content->IsSVG()) {
transform = static_cast<nsSVGElement*>(content)->
PrependLocalTransformsTo(aToBBoxUserspace);
}
return svgKid->GetBBoxContribution(transform, aFlags);
}
}
return SVGBBox();
}
nsIFrame *
nsSVGSwitchFrame::GetActiveChildFrame()
{
nsIContent *activeChild =
static_cast<nsSVGSwitchElement*>(mContent)->GetActiveChild();
if (activeChild) {
for (nsIFrame* kid = mFrames.FirstChild(); kid;
kid = kid->GetNextSibling()) {
if (activeChild == kid->GetContent()) {
return kid;
}
}
}
return nullptr;
}