tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

SVGAnimatedClass.h (2265B)

      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_SVGANIMATEDCLASS_H_
      8 #define DOM_SVG_SVGANIMATEDCLASS_H_
      9 
     10 #include "mozilla/SMILAttr.h"
     11 #include "mozilla/SVGAnimatedClassOrString.h"
     12 #include "mozilla/UniquePtr.h"
     13 #include "nsCycleCollectionParticipant.h"
     14 
     15 namespace mozilla {
     16 
     17 class SMILValue;
     18 
     19 namespace dom {
     20 class DOMSVGAnimatedString;
     21 class SVGElement;
     22 }  // namespace dom
     23 
     24 class SVGAnimatedClass final : public SVGAnimatedClassOrString {
     25 public:
     26  using SVGElement = dom::SVGElement;
     27 
     28  void Init() { mAnimVal = nullptr; }
     29 
     30  void SetBaseValue(const nsAString& aValue, SVGElement* aSVGElement,
     31                    bool aDoSetAttr) override;
     32  void GetBaseValue(nsAString& aValue,
     33                    const SVGElement* aSVGElement) const override;
     34 
     35  void SetAnimValue(const nsAString& aValue, SVGElement* aSVGElement);
     36  void GetAnimValue(nsAString& aResult,
     37                    const SVGElement* aSVGElement) const override;
     38  bool IsAnimated() const { return !!mAnimVal; }
     39 
     40  UniquePtr<SMILAttr> ToSMILAttr(SVGElement* aSVGElement);
     41 
     42 private:
     43  UniquePtr<nsString> mAnimVal;
     44 
     45 public:
     46  struct SMILString : public SMILAttr {
     47   public:
     48    SMILString(SVGAnimatedClass* aVal, SVGElement* aSVGElement)
     49        : mVal(aVal), mSVGElement(aSVGElement) {}
     50 
     51    // These will stay alive because a SMILAttr only lives as long
     52    // as the Compositing step, and DOM elements don't get a chance to
     53    // die during that.
     54    SVGAnimatedClass* mVal;
     55    SVGElement* mSVGElement;
     56 
     57    // SMILAttr methods
     58    nsresult ValueFromString(const nsAString& aStr,
     59                             const dom::SVGAnimationElement* aSrcElement,
     60                             SMILValue& aValue,
     61                             bool& aPreventCachingOfSandwich) const override;
     62    SMILValue GetBaseValue() const override;
     63    void ClearAnimValue() override;
     64    nsresult SetAnimValue(const SMILValue& aValue) override;
     65  };
     66 };
     67 
     68 }  // namespace mozilla
     69 
     70 #endif  // DOM_SVG_SVGANIMATEDCLASS_H_