Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 186 insertions, 0 deletions

diff --git a/dom/svg/SVGGraphicsElement.cpp b/dom/svg/SVGGraphicsElement.cpp
new file mode 100644
index 0000000000..1e87437011
--- /dev/null
+++ b/dom/svg/SVGGraphicsElement.cpp
@@ -0,0 +1,186 @@
+/* -*- 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->GetStateBits() & NS_FRAME_IS_NONDISPLAY)) {
+    return ZeroBBox(*this);
+  }
+  ISVGDisplayableFrame* svgframe = do_QueryFrame(frame);
+
+  if (!svgframe) {
+    if (!SVGUtils::IsInSVGTextSubtree(frame)) {
+      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.
+    if (aTabIndex) {
+      *aTabIndex = -1;
+    }
+
+    *aIsFocusable = false;
+
+    return true;
+  }
+
+  int32_t tabIndex = TabIndex();
+
+  if (aTabIndex) {
+    *aTabIndex = tabIndex;
+  }
+
+  // If a tabindex is specified at all, or the default tabindex is 0, we're
+  // focusable
+  *aIsFocusable = tabIndex >= 0 || GetTabIndexAttrValue().isSome();
+
+  return false;
+}
+
+bool SVGGraphicsElement::IsFocusableInternal(int32_t* aTabIndex,
+                                             bool aWithMouse) {
+  bool isFocusable = false;
+  IsSVGFocusable(&isFocusable, aTabIndex);
+  return isFocusable;
+}
+
+}  // namespace mozilla::dom