dom/svg/SVGTextContentElement.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef DOM_SVG_SVGTEXTCONTENTELEMENT_H_
   8 #define DOM_SVG_SVGTEXTCONTENTELEMENT_H_
   9
  10 #include "mozilla/dom/SVGGraphicsElement.h"
  11 #include "SVGAnimatedEnumeration.h"
  12 #include "SVGAnimatedLength.h"
  13
  14 namespace mozilla {
  15
  16 class SVGTextFrame;
  17
  18 namespace dom {
  19
  20 struct DOMPointInit;
  21 class DOMSVGAnimatedEnumeration;
  22 class DOMSVGPoint;
  23 class SVGRect;
  24
  25 using SVGTextContentElementBase = SVGGraphicsElement;
  26
  27 class SVGTextContentElement : public SVGTextContentElementBase {
  28   friend class mozilla::SVGTextFrame;
  29
  30  public:
  31   using FragmentOrElement::TextLength;
  32
  33   // WebIDL
  34   already_AddRefed<DOMSVGAnimatedLength> TextLength();
  35   already_AddRefed<DOMSVGAnimatedEnumeration> LengthAdjust();
  36   MOZ_CAN_RUN_SCRIPT int32_t GetNumberOfChars();
  37   MOZ_CAN_RUN_SCRIPT float GetComputedTextLength();
  38   MOZ_CAN_RUN_SCRIPT
  39   void SelectSubString(uint32_t charnum, uint32_t nchars, ErrorResult& rv);
  40   MOZ_CAN_RUN_SCRIPT
  41   float GetSubStringLength(uint32_t charnum, uint32_t nchars, ErrorResult& rv);
  42   MOZ_CAN_RUN_SCRIPT
  43   already_AddRefed<DOMSVGPoint> GetStartPositionOfChar(uint32_t charnum,
  44                                                        ErrorResult& rv);
  45   MOZ_CAN_RUN_SCRIPT
  46   already_AddRefed<DOMSVGPoint> GetEndPositionOfChar(uint32_t charnum,
  47                                                      ErrorResult& rv);
  48   MOZ_CAN_RUN_SCRIPT
  49   already_AddRefed<SVGRect> GetExtentOfChar(uint32_t charnum, ErrorResult& rv);
  50   MOZ_CAN_RUN_SCRIPT float GetRotationOfChar(uint32_t charnum, ErrorResult& rv);
  51   MOZ_CAN_RUN_SCRIPT int32_t GetCharNumAtPosition(const DOMPointInit& aPoint);
  52
  53  protected:
  54   explicit SVGTextContentElement(
  55       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
  56       : SVGTextContentElementBase(std::move(aNodeInfo)) {}
  57
  58   MOZ_CAN_RUN_SCRIPT SVGTextFrame* GetSVGTextFrame();
  59   MOZ_CAN_RUN_SCRIPT SVGTextFrame* GetSVGTextFrameForNonLayoutDependentQuery();
  60   MOZ_CAN_RUN_SCRIPT mozilla::Maybe<int32_t>
  61   GetNonLayoutDependentNumberOfChars();
  62
  63   enum { LENGTHADJUST };
  64   virtual SVGAnimatedEnumeration* EnumAttributes() = 0;
  65   static SVGEnumMapping sLengthAdjustMap[];
  66   static EnumInfo sEnumInfo[1];
  67
  68   enum { TEXTLENGTH };
  69   virtual SVGAnimatedLength* LengthAttributes() = 0;
  70   static LengthInfo sLengthInfo[1];
  71 };
  72
  73 }  // namespace dom
  74 }  // namespace mozilla
  75
  76 #endif  // DOM_SVG_SVGTEXTCONTENTELEMENT_H_