diff -r 000000000000 -r 6474c204b198 layout/forms/nsFormControlFrame.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/layout/forms/nsFormControlFrame.h Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,99 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsFormControlFrame_h___ +#define nsFormControlFrame_h___ + +#include "mozilla/Attributes.h" +#include "nsIFormControlFrame.h" +#include "nsLeafFrame.h" + +/** + * nsFormControlFrame is the base class for radio buttons and + * checkboxes. It also has two static methods (RegUnRegAccessKey and + * GetScreenHeight) that are used by other form controls. + */ +class nsFormControlFrame : public nsLeafFrame, + public nsIFormControlFrame +{ +public: + /** + * Main constructor + * @param aContent the content representing this frame + * @param aParentFrame the parent frame + */ + nsFormControlFrame(nsStyleContext*); + + virtual nsIAtom* GetType() const MOZ_OVERRIDE; + + virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE + { + return nsLeafFrame::IsFrameOfType(aFlags & + ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock)); + } + + NS_DECL_QUERYFRAME + NS_DECL_FRAMEARENA_HELPERS + + /** + * Respond to a gui event + * @see nsIFrame::HandleEvent + */ + virtual nsresult HandleEvent(nsPresContext* aPresContext, + mozilla::WidgetGUIEvent* aEvent, + nsEventStatus* aEventStatus) MOZ_OVERRIDE; + + virtual nscoord GetBaseline() const MOZ_OVERRIDE; + + /** + * Respond to the request to resize and/or reflow + * @see nsIFrame::Reflow + */ + virtual nsresult Reflow(nsPresContext* aCX, + nsHTMLReflowMetrics& aDesiredSize, + const nsHTMLReflowState& aReflowState, + nsReflowStatus& aStatus) MOZ_OVERRIDE; + + virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE; + + // new behavior + + virtual void SetFocus(bool aOn = true, bool aRepaint = false) MOZ_OVERRIDE; + + // nsIFormControlFrame + virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) MOZ_OVERRIDE; + + // AccessKey Helper function + static nsresult RegUnRegAccessKey(nsIFrame * aFrame, bool aDoReg); + + /** + * Returns the usable screen rect in app units, eg the rect where we can + * draw dropdowns. + */ + static nsRect GetUsableScreenRect(nsPresContext* aPresContext); + +protected: + + virtual ~nsFormControlFrame(); + + virtual nscoord GetIntrinsicWidth() MOZ_OVERRIDE; + virtual nscoord GetIntrinsicHeight() MOZ_OVERRIDE; + +// +//------------------------------------------------------------------------------------- +// Utility methods for managing checkboxes and radiobuttons +//------------------------------------------------------------------------------------- +// + /** + * Get the state of the checked attribute. + * @param aState set to true if the checked attribute is set, + * false if the checked attribute has been removed + */ + + void GetCurrentCheckState(bool* aState); +}; + +#endif +