1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/forms/nsFormControlFrame.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,99 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsFormControlFrame_h___
1.10 +#define nsFormControlFrame_h___
1.11 +
1.12 +#include "mozilla/Attributes.h"
1.13 +#include "nsIFormControlFrame.h"
1.14 +#include "nsLeafFrame.h"
1.15 +
1.16 +/**
1.17 + * nsFormControlFrame is the base class for radio buttons and
1.18 + * checkboxes. It also has two static methods (RegUnRegAccessKey and
1.19 + * GetScreenHeight) that are used by other form controls.
1.20 + */
1.21 +class nsFormControlFrame : public nsLeafFrame,
1.22 + public nsIFormControlFrame
1.23 +{
1.24 +public:
1.25 + /**
1.26 + * Main constructor
1.27 + * @param aContent the content representing this frame
1.28 + * @param aParentFrame the parent frame
1.29 + */
1.30 + nsFormControlFrame(nsStyleContext*);
1.31 +
1.32 + virtual nsIAtom* GetType() const MOZ_OVERRIDE;
1.33 +
1.34 + virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
1.35 + {
1.36 + return nsLeafFrame::IsFrameOfType(aFlags &
1.37 + ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
1.38 + }
1.39 +
1.40 + NS_DECL_QUERYFRAME
1.41 + NS_DECL_FRAMEARENA_HELPERS
1.42 +
1.43 + /**
1.44 + * Respond to a gui event
1.45 + * @see nsIFrame::HandleEvent
1.46 + */
1.47 + virtual nsresult HandleEvent(nsPresContext* aPresContext,
1.48 + mozilla::WidgetGUIEvent* aEvent,
1.49 + nsEventStatus* aEventStatus) MOZ_OVERRIDE;
1.50 +
1.51 + virtual nscoord GetBaseline() const MOZ_OVERRIDE;
1.52 +
1.53 + /**
1.54 + * Respond to the request to resize and/or reflow
1.55 + * @see nsIFrame::Reflow
1.56 + */
1.57 + virtual nsresult Reflow(nsPresContext* aCX,
1.58 + nsHTMLReflowMetrics& aDesiredSize,
1.59 + const nsHTMLReflowState& aReflowState,
1.60 + nsReflowStatus& aStatus) MOZ_OVERRIDE;
1.61 +
1.62 + virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
1.63 +
1.64 + // new behavior
1.65 +
1.66 + virtual void SetFocus(bool aOn = true, bool aRepaint = false) MOZ_OVERRIDE;
1.67 +
1.68 + // nsIFormControlFrame
1.69 + virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) MOZ_OVERRIDE;
1.70 +
1.71 + // AccessKey Helper function
1.72 + static nsresult RegUnRegAccessKey(nsIFrame * aFrame, bool aDoReg);
1.73 +
1.74 + /**
1.75 + * Returns the usable screen rect in app units, eg the rect where we can
1.76 + * draw dropdowns.
1.77 + */
1.78 + static nsRect GetUsableScreenRect(nsPresContext* aPresContext);
1.79 +
1.80 +protected:
1.81 +
1.82 + virtual ~nsFormControlFrame();
1.83 +
1.84 + virtual nscoord GetIntrinsicWidth() MOZ_OVERRIDE;
1.85 + virtual nscoord GetIntrinsicHeight() MOZ_OVERRIDE;
1.86 +
1.87 +//
1.88 +//-------------------------------------------------------------------------------------
1.89 +// Utility methods for managing checkboxes and radiobuttons
1.90 +//-------------------------------------------------------------------------------------
1.91 +//
1.92 + /**
1.93 + * Get the state of the checked attribute.
1.94 + * @param aState set to true if the checked attribute is set,
1.95 + * false if the checked attribute has been removed
1.96 + */
1.97 +
1.98 + void GetCurrentCheckState(bool* aState);
1.99 +};
1.100 +
1.101 +#endif
1.102 +
