layout/style/nsDOMCSSRGBColor.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 /* DOM object representing color values in DOM computed style */
   7
   8 #ifndef nsDOMCSSRGBColor_h__
   9 #define nsDOMCSSRGBColor_h__
  10
  11 #include "mozilla/Attributes.h"
  12 #include "nsAutoPtr.h"
  13 #include "nsWrapperCache.h"
  14
  15 class nsROCSSPrimitiveValue;
  16
  17 class nsDOMCSSRGBColor : public nsWrapperCache
  18 {
  19 public:
  20   nsDOMCSSRGBColor(nsROCSSPrimitiveValue* aRed,
  21                    nsROCSSPrimitiveValue* aGreen,
  22                    nsROCSSPrimitiveValue* aBlue,
  23                    nsROCSSPrimitiveValue* aAlpha,
  24                    bool aHasAlpha);
  25
  26   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(nsDOMCSSRGBColor)
  27
  28   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(nsDOMCSSRGBColor)
  29
  30   bool HasAlpha() const { return mHasAlpha; }
  31
  32   // RGBColor webidl interface
  33   nsROCSSPrimitiveValue* Red() const
  34   {
  35     return mRed;
  36   }
  37   nsROCSSPrimitiveValue* Green() const
  38   {
  39     return mGreen;
  40   }
  41   nsROCSSPrimitiveValue* Blue() const
  42   {
  43     return mBlue;
  44   }
  45   nsROCSSPrimitiveValue* Alpha() const
  46   {
  47     return mAlpha;
  48   }
  49
  50   nsISupports* GetParentObject() const
  51   {
  52     return nullptr;
  53   }
  54
  55   virtual JSObject *WrapObject(JSContext *cx)
  56     MOZ_OVERRIDE MOZ_FINAL;
  57
  58 private:
  59   virtual ~nsDOMCSSRGBColor(void);
  60
  61   nsRefPtr<nsROCSSPrimitiveValue> mRed;
  62   nsRefPtr<nsROCSSPrimitiveValue> mGreen;
  63   nsRefPtr<nsROCSSPrimitiveValue> mBlue;
  64   nsRefPtr<nsROCSSPrimitiveValue> mAlpha;
  65   bool mHasAlpha;
  66 };
  67
  68 #endif // nsDOMCSSRGBColor_h__