layout/forms/nsColorControlFrame.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 nsColorControlFrame_h___
   8 #define nsColorControlFrame_h___
   9
  10 #include "nsCOMPtr.h"
  11 #include "nsHTMLButtonControlFrame.h"
  12 #include "nsIAnonymousContentCreator.h"
  13
  14 namespace mozilla {
  15 enum class PseudoStyleType : uint8_t;
  16 class PresShell;
  17 }  // namespace mozilla
  18
  19 // Class which implements the input type=color
  20
  21 class nsColorControlFrame final : public nsHTMLButtonControlFrame,
  22                                   public nsIAnonymousContentCreator {
  23   typedef mozilla::PseudoStyleType PseudoStyleType;
  24   typedef mozilla::dom::Element Element;
  25
  26  public:
  27   friend nsIFrame* NS_NewColorControlFrame(mozilla::PresShell* aPresShell,
  28                                            ComputedStyle* aStyle);
  29
  30   void Destroy(DestroyContext&) override;
  31
  32   NS_DECL_QUERYFRAME
  33   NS_DECL_FRAMEARENA_HELPERS(nsColorControlFrame)
  34
  35 #ifdef DEBUG_FRAME_DUMP
  36   virtual nsresult GetFrameName(nsAString& aResult) const override;
  37 #endif
  38
  39   // nsIAnonymousContentCreator
  40   virtual nsresult CreateAnonymousContent(
  41       nsTArray<ContentInfo>& aElements) override;
  42   virtual void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
  43                                         uint32_t aFilter) override;
  44
  45   // nsIFrame
  46   virtual nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
  47                                     int32_t aModType) override;
  48   virtual nsContainerFrame* GetContentInsertionFrame() override;
  49
  50   // Refresh the color swatch, using associated input's value
  51   nsresult UpdateColor();
  52
  53  private:
  54   explicit nsColorControlFrame(ComputedStyle* aStyle,
  55                                nsPresContext* aPresContext);
  56
  57   nsCOMPtr<Element> mColorContent;
  58 };
  59
  60 #endif  // nsColorControlFrame_h___