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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/svg/SVGGraphicsElement.cpp
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/svg/SVGGraphicsElement.cpp')
-rw-r--r--dom/svg/SVGGraphicsElement.cpp175
1 files changed, 175 insertions, 0 deletions
diff --git a/dom/svg/SVGGraphicsElement.cpp b/dom/svg/SVGGraphicsElement.cpp
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+++ b/dom/svg/SVGGraphicsElement.cpp
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+/* -*- 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/. */
+
+#include "mozilla/dom/SVGGraphicsElement.h"
+
+#include "mozilla/dom/BindContext.h"
+#include "mozilla/dom/Document.h"
+#include "mozilla/dom/SVGGraphicsElementBinding.h"
+#include "mozilla/dom/SVGMatrix.h"
+#include "mozilla/dom/SVGRect.h"
+#include "mozilla/dom/SVGSVGElement.h"
+#include "mozilla/ISVGDisplayableFrame.h"
+#include "mozilla/SVGContentUtils.h"
+#include "mozilla/SVGTextFrame.h"
+#include "mozilla/SVGUtils.h"
+
+#include "nsIContentInlines.h"
+#include "nsLayoutUtils.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)) {}
+
+SVGElement* SVGGraphicsElement::GetNearestViewportElement() {
+ return SVGContentUtils::GetNearestViewportElement(this);
+}
+
+SVGElement* SVGGraphicsElement::GetFarthestViewportElement() {
+ return SVGContentUtils::GetOuterSVGElement(this);
+}
+
+static already_AddRefed<SVGRect> ZeroBBox(SVGGraphicsElement& aOwner) {
+ return MakeAndAddRef<SVGRect>(&aOwner, gfx::Rect{0, 0, 0, 0});
+}
+
+already_AddRefed<SVGRect> SVGGraphicsElement::GetBBox(
+ const SVGBoundingBoxOptions& aOptions) {
+ nsIFrame* frame = GetPrimaryFrame(FlushType::Layout);
+
+ if (!frame || frame->HasAnyStateBits(NS_FRAME_IS_NONDISPLAY)) {
+ return ZeroBBox(*this);
+ }
+ ISVGDisplayableFrame* svgframe = do_QueryFrame(frame);
+
+ if (!svgframe) {
+ if (!frame->IsInSVGTextSubtree()) {
+ return ZeroBBox(*this);
+ }
+
+ // For <tspan>, <textPath>, the frame is an nsInlineFrame or
+ // nsBlockFrame, |svgframe| will be a nullptr.
+ // We implement their getBBox directly here instead of in
+ // SVGUtils::GetBBox, because SVGUtils::GetBBox is more
+ // or less used for other purpose elsewhere. e.g. gradient
+ // code assumes GetBBox of <tspan> returns the bbox of the
+ // outer <text>.
+ // TODO: cleanup this sort of usecase of SVGUtils::GetBBox,
+ // then move this code SVGUtils::GetBBox.
+ SVGTextFrame* text =
+ static_cast<SVGTextFrame*>(nsLayoutUtils::GetClosestFrameOfType(
+ frame->GetParent(), LayoutFrameType::SVGText));
+
+ if (text->HasAnyStateBits(NS_FRAME_IS_NONDISPLAY)) {
+ return ZeroBBox(*this);
+ }
+
+ gfxRect rec = text->TransformFrameRectFromTextChild(
+ frame->GetRectRelativeToSelf(), frame);
+
+ // Should also add the |x|, |y| of the SVGTextFrame itself, since
+ // the result obtained by TransformFrameRectFromTextChild doesn't
+ // include them.
+ rec.x += float(text->GetPosition().x) / AppUnitsPerCSSPixel();
+ rec.y += float(text->GetPosition().y) / AppUnitsPerCSSPixel();
+
+ return do_AddRef(new SVGRect(this, ToRect(rec)));
+ }
+
+ if (!NS_SVGNewGetBBoxEnabled()) {
+ return do_AddRef(new SVGRect(
+ this, ToRect(SVGUtils::GetBBox(
+ frame, SVGUtils::eBBoxIncludeFillGeometry |
+ SVGUtils::eUseUserSpaceOfUseElement))));
+ }
+ uint32_t flags = 0;
+ if (aOptions.mFill) {
+ flags |= SVGUtils::eBBoxIncludeFill;
+ }
+ if (aOptions.mStroke) {
+ flags |= SVGUtils::eBBoxIncludeStroke;
+ }
+ if (aOptions.mMarkers) {
+ flags |= SVGUtils::eBBoxIncludeMarkers;
+ }
+ if (aOptions.mClipped) {
+ flags |= SVGUtils::eBBoxIncludeClipped;
+ }
+ if (flags == 0) {
+ return do_AddRef(new SVGRect(this, gfx::Rect()));
+ }
+ if (flags == SVGUtils::eBBoxIncludeMarkers ||
+ flags == SVGUtils::eBBoxIncludeClipped) {
+ flags |= SVGUtils::eBBoxIncludeFill;
+ }
+ flags |= SVGUtils::eUseUserSpaceOfUseElement;
+ return do_AddRef(new SVGRect(this, ToRect(SVGUtils::GetBBox(frame, flags))));
+}
+
+already_AddRefed<SVGMatrix> SVGGraphicsElement::GetCTM() {
+ Document* currentDoc = GetComposedDoc();
+ if (currentDoc) {
+ // Flush all pending notifications so that our frames are up to date
+ currentDoc->FlushPendingNotifications(FlushType::Layout);
+ }
+ gfx::Matrix m = SVGContentUtils::GetCTM(this, false);
+ RefPtr<SVGMatrix> mat =
+ m.IsSingular() ? nullptr : new SVGMatrix(ThebesMatrix(m));
+ return mat.forget();
+}
+
+already_AddRefed<SVGMatrix> SVGGraphicsElement::GetScreenCTM() {
+ Document* currentDoc = GetComposedDoc();
+ if (currentDoc) {
+ // Flush all pending notifications so that our frames are up to date
+ currentDoc->FlushPendingNotifications(FlushType::Layout);
+ }
+ gfx::Matrix m = SVGContentUtils::GetCTM(this, true);
+ RefPtr<SVGMatrix> mat =
+ m.IsSingular() ? nullptr : new SVGMatrix(ThebesMatrix(m));
+ return mat.forget();
+}
+
+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(bool aWithMouse) {
+ Focusable result;
+ IsSVGFocusable(&result.mFocusable, &result.mTabIndex);
+ return result;
+}
+
+} // namespace mozilla::dom