Add m-esr52 at 52.6.0

1 files changed, 327 insertions, 0 deletions

diff --git a/dom/svg/SVGImageElement.cpp b/dom/svg/SVGImageElement.cpp
new file mode 100644
index 000000000..524485dee
--- /dev/null
+++ b/dom/svg/SVGImageElement.cpp
@@ -0,0 +1,327 @@
+/* -*- 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/ArrayUtils.h"
+#include "mozilla/EventStates.h"
+
+#include "mozilla/dom/SVGImageElement.h"
+#include "mozilla/gfx/2D.h"
+#include "nsCOMPtr.h"
+#include "nsIURI.h"
+#include "nsNetUtil.h"
+#include "imgINotificationObserver.h"
+#include "mozilla/dom/SVGImageElementBinding.h"
+#include "nsContentUtils.h"
+
+NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(Image)
+
+using namespace mozilla::gfx;
+
+namespace mozilla {
+namespace dom {
+
+JSObject*
+SVGImageElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return SVGImageElementBinding::Wrap(aCx, this, aGivenProto);
+}
+
+nsSVGElement::LengthInfo SVGImageElement::sLengthInfo[4] =
+{
+  { &nsGkAtoms::x, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::X },
+  { &nsGkAtoms::y, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::Y },
+  { &nsGkAtoms::width, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::X },
+  { &nsGkAtoms::height, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::Y },
+};
+
+nsSVGElement::StringInfo SVGImageElement::sStringInfo[2] =
+{
+  { &nsGkAtoms::href, kNameSpaceID_None, true },
+  { &nsGkAtoms::href, kNameSpaceID_XLink, true }
+};
+
+//----------------------------------------------------------------------
+// nsISupports methods
+
+NS_IMPL_ISUPPORTS_INHERITED(SVGImageElement, SVGImageElementBase,
+                            nsIDOMNode, nsIDOMElement,
+                            nsIDOMSVGElement,
+                            imgINotificationObserver,
+                            nsIImageLoadingContent, imgIOnloadBlocker)
+
+//----------------------------------------------------------------------
+// Implementation
+
+SVGImageElement::SVGImageElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
+  : SVGImageElementBase(aNodeInfo)
+{
+  // We start out broken
+  AddStatesSilently(NS_EVENT_STATE_BROKEN);
+}
+
+SVGImageElement::~SVGImageElement()
+{
+  DestroyImageLoadingContent();
+}
+
+//----------------------------------------------------------------------
+// nsIDOMNode methods
+
+
+NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGImageElement)
+
+
+//----------------------------------------------------------------------
+
+already_AddRefed<SVGAnimatedLength>
+SVGImageElement::X()
+{
+  return mLengthAttributes[ATTR_X].ToDOMAnimatedLength(this);
+}
+
+already_AddRefed<SVGAnimatedLength>
+SVGImageElement::Y()
+{
+  return mLengthAttributes[ATTR_Y].ToDOMAnimatedLength(this);
+}
+
+already_AddRefed<SVGAnimatedLength>
+SVGImageElement::Width()
+{
+  return mLengthAttributes[ATTR_WIDTH].ToDOMAnimatedLength(this);
+}
+
+already_AddRefed<SVGAnimatedLength>
+SVGImageElement::Height()
+{
+  return mLengthAttributes[ATTR_HEIGHT].ToDOMAnimatedLength(this);
+}
+
+already_AddRefed<DOMSVGAnimatedPreserveAspectRatio>
+SVGImageElement::PreserveAspectRatio()
+{
+  return mPreserveAspectRatio.ToDOMAnimatedPreserveAspectRatio(this);
+}
+
+already_AddRefed<SVGAnimatedString>
+SVGImageElement::Href()
+{
+  return mStringAttributes[HREF].IsExplicitlySet()
+         ? mStringAttributes[HREF].ToDOMAnimatedString(this)
+         : mStringAttributes[XLINK_HREF].ToDOMAnimatedString(this);
+}
+
+//----------------------------------------------------------------------
+
+nsresult
+SVGImageElement::LoadSVGImage(bool aForce, bool aNotify)
+{
+  // resolve href attribute
+  nsCOMPtr<nsIURI> baseURI = GetBaseURI();
+
+  nsAutoString href;
+  if (mStringAttributes[HREF].IsExplicitlySet()) {
+    mStringAttributes[HREF].GetAnimValue(href, this);
+  } else {
+    mStringAttributes[XLINK_HREF].GetAnimValue(href, this);
+  }
+  href.Trim(" \t\n\r");
+
+  if (baseURI && !href.IsEmpty())
+    NS_MakeAbsoluteURI(href, href, baseURI);
+
+  return LoadImage(href, aForce, aNotify, eImageLoadType_Normal);
+}
+
+//----------------------------------------------------------------------
+// EventTarget methods:
+
+void
+SVGImageElement::AsyncEventRunning(AsyncEventDispatcher* aEvent)
+{
+  nsImageLoadingContent::AsyncEventRunning(aEvent);
+}
+
+//----------------------------------------------------------------------
+// nsIContent methods:
+
+nsresult
+SVGImageElement::AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
+                              const nsAttrValue* aValue, bool aNotify)
+{
+  if (aName == nsGkAtoms::href &&
+      (aNamespaceID == kNameSpaceID_None ||
+       aNamespaceID == kNameSpaceID_XLink)) {
+
+    // If there isn't a frame we still need to load the image in case
+    // the frame is created later e.g. by attaching to a document.
+    // If there is a frame then it should deal with loading as the image
+    // url may be animated
+    if (!GetPrimaryFrame()) {
+      if (aValue) {
+        LoadSVGImage(true, aNotify);
+      } else {
+        CancelImageRequests(aNotify);
+      }
+    }
+  }
+  return SVGImageElementBase::AfterSetAttr(aNamespaceID, aName,
+                                           aValue, aNotify);
+}
+
+void
+SVGImageElement::MaybeLoadSVGImage()
+{
+  if ((mStringAttributes[HREF].IsExplicitlySet() ||
+       mStringAttributes[XLINK_HREF].IsExplicitlySet()) &&
+      (NS_FAILED(LoadSVGImage(false, true)) ||
+       !LoadingEnabled())) {
+    CancelImageRequests(true);
+  }
+}
+
+nsresult
+SVGImageElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
+                            nsIContent* aBindingParent,
+                            bool aCompileEventHandlers)
+{
+  nsresult rv = SVGImageElementBase::BindToTree(aDocument, aParent,
+                                                aBindingParent,
+                                                aCompileEventHandlers);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsImageLoadingContent::BindToTree(aDocument, aParent, aBindingParent,
+                                    aCompileEventHandlers);
+
+  if (mStringAttributes[HREF].IsExplicitlySet() ||
+      mStringAttributes[XLINK_HREF].IsExplicitlySet()) {
+    // FIXME: Bug 660963 it would be nice if we could just have
+    // ClearBrokenState update our state and do it fast...
+    ClearBrokenState();
+    RemoveStatesSilently(NS_EVENT_STATE_BROKEN);
+    nsContentUtils::AddScriptRunner(
+      NewRunnableMethod(this, &SVGImageElement::MaybeLoadSVGImage));
+  }
+
+  return rv;
+}
+
+void
+SVGImageElement::UnbindFromTree(bool aDeep, bool aNullParent)
+{
+  nsImageLoadingContent::UnbindFromTree(aDeep, aNullParent);
+  SVGImageElementBase::UnbindFromTree(aDeep, aNullParent);
+}
+
+EventStates
+SVGImageElement::IntrinsicState() const
+{
+  return SVGImageElementBase::IntrinsicState() |
+    nsImageLoadingContent::ImageState();
+}
+
+NS_IMETHODIMP_(bool)
+SVGImageElement::IsAttributeMapped(const nsIAtom* name) const
+{
+  static const MappedAttributeEntry* const map[] = {
+    sViewportsMap,
+  };
+
+  return FindAttributeDependence(name, map) ||
+    SVGImageElementBase::IsAttributeMapped(name);
+}
+
+//----------------------------------------------------------------------
+// nsSVGPathGeometryElement methods
+
+/* For the purposes of the update/invalidation logic pretend to
+   be a rectangle. */
+bool
+SVGImageElement::GetGeometryBounds(Rect* aBounds,
+                                   const StrokeOptions& aStrokeOptions,
+                                   const Matrix& aToBoundsSpace,
+                                   const Matrix* aToNonScalingStrokeSpace)
+{
+  Rect rect;
+  GetAnimatedLengthValues(&rect.x, &rect.y, &rect.width,
+                          &rect.height, nullptr);
+
+  if (rect.IsEmpty()) {
+    // Rendering of the element disabled
+    rect.SetEmpty(); // Make sure width/height are zero and not negative
+  }
+
+  *aBounds = aToBoundsSpace.TransformBounds(rect);
+  return true;
+}
+
+already_AddRefed<Path>
+SVGImageElement::BuildPath(PathBuilder* aBuilder)
+{
+  // We get called in order to get bounds for this element, and for
+  // hit-testing against it. For that we just pretend to be a rectangle.
+
+  float x, y, width, height;
+  GetAnimatedLengthValues(&x, &y, &width, &height, nullptr);
+
+  if (width <= 0 || height <= 0) {
+    return nullptr;
+  }
+
+  Rect r(x, y, width, height);
+  aBuilder->MoveTo(r.TopLeft());
+  aBuilder->LineTo(r.TopRight());
+  aBuilder->LineTo(r.BottomRight());
+  aBuilder->LineTo(r.BottomLeft());
+  aBuilder->Close();
+
+  return aBuilder->Finish();
+}
+
+//----------------------------------------------------------------------
+// nsSVGElement methods
+
+/* virtual */ bool
+SVGImageElement::HasValidDimensions() const
+{
+  return mLengthAttributes[ATTR_WIDTH].IsExplicitlySet() &&
+         mLengthAttributes[ATTR_WIDTH].GetAnimValInSpecifiedUnits() > 0 &&
+         mLengthAttributes[ATTR_HEIGHT].IsExplicitlySet() &&
+         mLengthAttributes[ATTR_HEIGHT].GetAnimValInSpecifiedUnits() > 0;
+}
+
+nsSVGElement::LengthAttributesInfo
+SVGImageElement::GetLengthInfo()
+{
+  return LengthAttributesInfo(mLengthAttributes, sLengthInfo,
+                              ArrayLength(sLengthInfo));
+}
+
+SVGAnimatedPreserveAspectRatio *
+SVGImageElement::GetPreserveAspectRatio()
+{
+  return &mPreserveAspectRatio;
+}
+
+nsSVGElement::StringAttributesInfo
+SVGImageElement::GetStringInfo()
+{
+  return StringAttributesInfo(mStringAttributes, sStringInfo,
+                              ArrayLength(sStringInfo));
+}
+
+nsresult
+SVGImageElement::CopyInnerTo(Element* aDest)
+{
+  if (aDest->OwnerDoc()->IsStaticDocument()) {
+    CreateStaticImageClone(static_cast<SVGImageElement*>(aDest));
+  }
+  return SVGImageElementBase::CopyInnerTo(aDest);
+}
+
+} // namespace dom
+} // namespace mozilla
+