layout/forms/nsGfxButtonControlFrame.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 nsGfxButtonControlFrame_h___
   8 #define nsGfxButtonControlFrame_h___
   9
  10 #include "mozilla/Attributes.h"
  11 #include "nsHTMLButtonControlFrame.h"
  12 #include "nsCOMPtr.h"
  13 #include "nsIAnonymousContentCreator.h"
  14
  15 class nsTextNode;
  16
  17 // Class which implements the input[type=button, reset, submit] and
  18 // browse button for input[type=file].
  19 // The label for button is specified through generated content
  20 // in the ua.css file.
  21
  22 class nsGfxButtonControlFrame final : public nsHTMLButtonControlFrame,
  23                                       public nsIAnonymousContentCreator {
  24  public:
  25   NS_DECL_FRAMEARENA_HELPERS(nsGfxButtonControlFrame)
  26
  27   explicit nsGfxButtonControlFrame(ComputedStyle* aStyle,
  28                                    nsPresContext* aPresContext);
  29
  30   virtual void DestroyFrom(nsIFrame* aDestructRoot,
  31                            PostDestroyData& aPostDestroyData) override;
  32
  33   virtual nsresult HandleEvent(nsPresContext* aPresContext,
  34                                mozilla::WidgetGUIEvent* aEvent,
  35                                nsEventStatus* aEventStatus) override;
  36
  37 #ifdef DEBUG_FRAME_DUMP
  38   virtual nsresult GetFrameName(nsAString& aResult) const override;
  39 #endif
  40
  41   NS_DECL_QUERYFRAME
  42
  43   // nsIAnonymousContentCreator
  44   virtual nsresult CreateAnonymousContent(
  45       nsTArray<ContentInfo>& aElements) override;
  46   virtual void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
  47                                         uint32_t aFilter) override;
  48
  49   virtual nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
  50                                     int32_t aModType) override;
  51
  52   virtual nsContainerFrame* GetContentInsertionFrame() override;
  53
  54  protected:
  55   nsresult GetDefaultLabel(nsAString& aLabel) const;
  56
  57   nsresult GetLabel(nsString& aLabel);
  58
  59   virtual bool IsInput() override { return true; }
  60
  61  private:
  62   RefPtr<nsTextNode> mTextContent;
  63 };
  64
  65 #endif