зеркало из https://github.com/mozilla/gecko-dev.git
116 строки
3.9 KiB
C++
116 строки
3.9 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/. */
|
|
|
|
#ifndef DOM_SVG_SVGPRESERVEASPECTRATIO_H_
|
|
#define DOM_SVG_SVGPRESERVEASPECTRATIO_H_
|
|
|
|
#include "mozilla/dom/SVGPreserveAspectRatioBinding.h"
|
|
#include "mozilla/HashFunctions.h" // for HashGeneric
|
|
|
|
#include "nsWrapperCache.h"
|
|
#include "nsCycleCollectionParticipant.h"
|
|
#include "mozilla/dom/SVGElement.h"
|
|
|
|
namespace mozilla {
|
|
class ErrorResult;
|
|
|
|
// These constants represent the range of valid enum values for the <align>
|
|
// parameter. They exclude the sentinel _UNKNOWN value.
|
|
const uint16_t SVG_ALIGN_MIN_VALID =
|
|
dom::SVGPreserveAspectRatio_Binding::SVG_PRESERVEASPECTRATIO_NONE;
|
|
const uint16_t SVG_ALIGN_MAX_VALID =
|
|
dom::SVGPreserveAspectRatio_Binding::SVG_PRESERVEASPECTRATIO_XMAXYMAX;
|
|
|
|
// These constants represent the range of valid enum values for the
|
|
// <meetOrSlice> parameter. They exclude the sentinel _UNKNOWN value.
|
|
const uint16_t SVG_MEETORSLICE_MIN_VALID =
|
|
dom::SVGPreserveAspectRatio_Binding::SVG_MEETORSLICE_MEET;
|
|
const uint16_t SVG_MEETORSLICE_MAX_VALID =
|
|
dom::SVGPreserveAspectRatio_Binding::SVG_MEETORSLICE_SLICE;
|
|
|
|
class SVGAnimatedPreserveAspectRatio;
|
|
|
|
class SVGPreserveAspectRatio final {
|
|
friend class SVGAnimatedPreserveAspectRatio;
|
|
|
|
public:
|
|
explicit SVGPreserveAspectRatio()
|
|
: mAlign(dom::SVGPreserveAspectRatio_Binding::
|
|
SVG_PRESERVEASPECTRATIO_UNKNOWN),
|
|
mMeetOrSlice(
|
|
dom::SVGPreserveAspectRatio_Binding::SVG_MEETORSLICE_UNKNOWN) {}
|
|
|
|
SVGPreserveAspectRatio(uint8_t aAlign, uint8_t aMeetOrSlice)
|
|
: mAlign(aAlign), mMeetOrSlice(aMeetOrSlice) {}
|
|
|
|
static nsresult FromString(const nsAString& aString,
|
|
SVGPreserveAspectRatio* aValue);
|
|
void ToString(nsAString& aValueAsString) const;
|
|
|
|
bool operator==(const SVGPreserveAspectRatio& aOther) const;
|
|
|
|
nsresult SetAlign(uint16_t aAlign) {
|
|
if (aAlign < SVG_ALIGN_MIN_VALID || aAlign > SVG_ALIGN_MAX_VALID)
|
|
return NS_ERROR_FAILURE;
|
|
mAlign = static_cast<uint8_t>(aAlign);
|
|
return NS_OK;
|
|
}
|
|
|
|
auto GetAlign() const { return mAlign; }
|
|
|
|
nsresult SetMeetOrSlice(uint16_t aMeetOrSlice) {
|
|
if (aMeetOrSlice < SVG_MEETORSLICE_MIN_VALID ||
|
|
aMeetOrSlice > SVG_MEETORSLICE_MAX_VALID)
|
|
return NS_ERROR_FAILURE;
|
|
mMeetOrSlice = static_cast<uint8_t>(aMeetOrSlice);
|
|
return NS_OK;
|
|
}
|
|
|
|
auto GetMeetOrSlice() const { return mMeetOrSlice; }
|
|
|
|
PLDHashNumber Hash() const { return HashGeneric(mAlign, mMeetOrSlice); }
|
|
|
|
private:
|
|
// We can't use enum types here because some compilers fail to pack them.
|
|
uint8_t mAlign;
|
|
uint8_t mMeetOrSlice;
|
|
};
|
|
|
|
namespace dom {
|
|
|
|
class DOMSVGPreserveAspectRatio final : public nsWrapperCache {
|
|
public:
|
|
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMSVGPreserveAspectRatio)
|
|
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(DOMSVGPreserveAspectRatio)
|
|
|
|
DOMSVGPreserveAspectRatio(SVGAnimatedPreserveAspectRatio* aVal,
|
|
SVGElement* aSVGElement, bool aIsBaseValue)
|
|
: mVal(aVal), mSVGElement(aSVGElement), mIsBaseValue(aIsBaseValue) {}
|
|
|
|
// WebIDL
|
|
SVGElement* GetParentObject() const { return mSVGElement; }
|
|
JSObject* WrapObject(JSContext* aCx,
|
|
JS::Handle<JSObject*> aGivenProto) override;
|
|
|
|
uint16_t Align();
|
|
void SetAlign(uint16_t aAlign, ErrorResult& rv);
|
|
uint16_t MeetOrSlice();
|
|
void SetMeetOrSlice(uint16_t aMeetOrSlice, ErrorResult& rv);
|
|
|
|
protected:
|
|
~DOMSVGPreserveAspectRatio();
|
|
|
|
SVGAnimatedPreserveAspectRatio*
|
|
mVal; // kept alive because it belongs to mSVGElement
|
|
RefPtr<SVGElement> mSVGElement;
|
|
const bool mIsBaseValue;
|
|
};
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif // DOM_SVG_SVGPRESERVEASPECTRATIO_H_
|