firefox-main/dom/svg/SVGGraphicsElement.cpp (file symbol)

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/* 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/. */
#include "mozilla/dom/SVGGraphicsElement.h"
#include "mozilla/ISVGDisplayableFrame.h"
#include "mozilla/SVGContentUtils.h"
#include "mozilla/SVGUtils.h"
#include "mozilla/dom/BindContext.h"
#include "mozilla/dom/SVGAnimatedLength.h"
#include "mozilla/dom/SVGGraphicsElementBinding.h"
#include "mozilla/dom/SVGMatrix.h"
#include "mozilla/dom/SVGRect.h"
#include "nsIContentInlines.h"
namespace mozilla::dom {
//----------------------------------------------------------------------
// nsISupports methods
NS_IMPL_ADDREF_INHERITED(SVGGraphicsElement, SVGGraphicsElementBase)
NS_IMPL_RELEASE_INHERITED(SVGGraphicsElement, SVGGraphicsElementBase)
NS_INTERFACE_MAP_BEGIN(SVGGraphicsElement)
NS_INTERFACE_MAP_ENTRY(mozilla::dom::SVGTests)
NS_INTERFACE_MAP_END_INHERITING(SVGGraphicsElementBase)
//----------------------------------------------------------------------
// Implementation
SVGGraphicsElement::SVGGraphicsElement(
already_AddRefed<mozilla::dom::NodeInfo> aNodeInfo)
: SVGGraphicsElementBase(std::move(aNodeInfo)) {}
already_AddRefed<SVGRect> SVGGraphicsElement::GetBBox(
const SVGBoundingBoxOptions& aOptions) {
nsIFrame* frame = GetPrimaryFrame(FlushType::Layout);
auto ZeroBBox = [this]() {
return MakeAndAddRef<SVGRect>(this, gfx::Rect{0, 0, 0, 0});
};
if (!frame || frame->HasAnyStateBits(NS_FRAME_IS_NONDISPLAY)) {
return ZeroBBox();
}
ISVGDisplayableFrame* svgframe = do_QueryFrame(frame);
if (!svgframe && !frame->IsInSVGTextSubtree()) {
return ZeroBBox();
}
if (!NS_SVGNewGetBBoxEnabled()) {
return MakeAndAddRef<SVGRect>(
this,
ToRect(SVGUtils::GetBBox(frame, {SVGBBoxFlag::IncludeFillGeometry,
SVGBBoxFlag::TextContentBounds,
SVGBBoxFlag::UseUserSpaceOfUseElement,
SVGBBoxFlag::DisregardCSSZoom})));
}
SVGBBoxFlags flags;
if (aOptions.mFill) {
flags += SVGBBoxFlag::IncludeFillGeometry;
}
if (aOptions.mStroke) {
flags += SVGBBoxFlag::IncludeStroke;
}
if (aOptions.mMarkers) {
flags += {SVGBBoxFlag::IncludeFillGeometry, SVGBBoxFlag::IncludeMarkers};
}
if (aOptions.mClipped) {
flags += {SVGBBoxFlag::IncludeFillGeometry, SVGBBoxFlag::IncludeClipped};
}
if (flags.isEmpty()) {
return ZeroBBox();
}
flags += {SVGBBoxFlag::UseUserSpaceOfUseElement,
SVGBBoxFlag::TextContentBounds, SVGBBoxFlag::DisregardCSSZoom};
return MakeAndAddRef<SVGRect>(this, ToRect(SVGUtils::GetBBox(frame, flags)));
}
already_AddRefed<SVGMatrix> SVGGraphicsElement::GetCTM() {
if (auto* currentDoc = GetComposedDoc()) {
// Flush all pending notifications so that our frames are up to date
currentDoc->FlushPendingNotifications(FlushType::Layout);
}
gfx::Matrix m = SVGContentUtils::GetCTM(this);
if (m.IsSingular()) {
m = {};
}
return MakeAndAddRef<SVGMatrix>(ThebesMatrix(m));
}
already_AddRefed<SVGMatrix> SVGGraphicsElement::GetScreenCTM() {
if (auto* currentDoc = GetComposedDoc()) {
// Flush all pending notifications so that our frames are up to date
currentDoc->FlushPendingNotifications(FlushType::Layout);
}
gfx::Matrix m = SVGContentUtils::GetScreenCTM(this);
if (m.IsSingular()) {
m = {};
}
return MakeAndAddRef<SVGMatrix>(ThebesMatrix(m));
}
bool SVGGraphicsElement::IsSVGFocusable(bool* aIsFocusable,
int32_t* aTabIndex) {
// XXXedgar, maybe we could factor out the common code for SVG, HTML and
// MathML elements, see bug 1586011.
if (!IsInComposedDoc() || IsInDesignMode()) {
// In designMode documents we only allow focusing the document.
*aTabIndex = -1;
*aIsFocusable = false;
return true;
}
*aTabIndex = TabIndex();
// If a tabindex is specified at all, or the default tabindex is 0, we're
// focusable
*aIsFocusable = *aTabIndex >= 0 || GetTabIndexAttrValue().isSome();
return false;
}
Focusable SVGGraphicsElement::IsFocusableWithoutStyle(IsFocusableFlags) {
Focusable result;
IsSVGFocusable(&result.mFocusable, &result.mTabIndex);
return result;
}
} // namespace mozilla::dom