dom/svg/SVGTextContentElement.h
author Ionut Goldan <ionut.goldan@softvision.ro>
Thu, 29 Jun 2017 15:14:26 -0700
changeset 369661 8c1975262e1adf09015817e39237c5f71cbef269
parent 329672 32a19e85b730ee8dfd1bdfce36a0779ba56cdfaf
child 398946 47e8a8cd8c6cfe2c0a905bd5fda6ccb7524ab6a6
permissions -rw-r--r--
Bug 1358818 - avoid symbolication server for non-Windows platforms r=jmaher MozReview-Commit-ID: AsvJUUoU3W4

/* -*- 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 mozilla_dom_SVGTextContentElement_h
#define mozilla_dom_SVGTextContentElement_h

#include "mozilla/dom/SVGGraphicsElement.h"
#include "mozilla/dom/SVGAnimatedEnumeration.h"
#include "nsSVGEnum.h"
#include "nsSVGLength2.h"

static const unsigned short SVG_LENGTHADJUST_UNKNOWN          = 0;
static const unsigned short SVG_LENGTHADJUST_SPACING          = 1;
static const unsigned short SVG_LENGTHADJUST_SPACINGANDGLYPHS = 2;

class SVGTextFrame;

namespace mozilla {
class nsISVGPoint;

namespace dom {

class SVGIRect;

typedef SVGGraphicsElement SVGTextContentElementBase;

class SVGTextContentElement : public SVGTextContentElementBase
{
public:
  using FragmentOrElement::TextLength;

  // WebIDL
  already_AddRefed<SVGAnimatedLength> TextLength();
  already_AddRefed<SVGAnimatedEnumeration> LengthAdjust();
  int32_t GetNumberOfChars();
  float GetComputedTextLength();
  void SelectSubString(uint32_t charnum, uint32_t nchars, ErrorResult& rv);
  float GetSubStringLength(uint32_t charnum, uint32_t nchars, ErrorResult& rv);
  already_AddRefed<nsISVGPoint> GetStartPositionOfChar(uint32_t charnum, ErrorResult& rv);
  already_AddRefed<nsISVGPoint> GetEndPositionOfChar(uint32_t charnum, ErrorResult& rv);
  already_AddRefed<SVGIRect> GetExtentOfChar(uint32_t charnum, ErrorResult& rv);
  float GetRotationOfChar(uint32_t charnum, ErrorResult& rv);
  int32_t GetCharNumAtPosition(nsISVGPoint& point);

protected:

  explicit SVGTextContentElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
    : SVGTextContentElementBase(aNodeInfo)
  {}

  SVGTextFrame* GetSVGTextFrame();
  SVGTextFrame* GetSVGTextFrameForNonLayoutDependentQuery();
  mozilla::Maybe<int32_t> GetNonLayoutDependentNumberOfChars();

  enum { LENGTHADJUST };
  virtual nsSVGEnum* EnumAttributes() = 0;
  static nsSVGEnumMapping sLengthAdjustMap[];
  static EnumInfo sEnumInfo[1];

  enum { TEXTLENGTH };
  virtual nsSVGLength2* LengthAttributes() = 0;
  static LengthInfo sLengthInfo[1];
};

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_SVGTextContentElement_h