gecko-dev/dom/svg/SVGGraphicsElement.cpp

82 строки
2.4 KiB
C++

/* -*- 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 "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)) {}
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;
}
nsresult SVGGraphicsElement::BindToTree(BindContext& aContext,
nsINode& aParent) {
nsresult rv = SVGGraphicsElementBase::BindToTree(aContext, aParent);
NS_ENSURE_SUCCESS(rv, rv);
if (IsFocusable() && HasAttr(nsGkAtoms::autofocus) &&
aContext.AllowsAutoFocus()) {
aContext.OwnerDoc().SetAutoFocusElement(this);
}
return NS_OK;
}
} // namespace mozilla::dom