pjs/layout/forms/nsButtonFrameRenderer.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are Copyright (C) 1998
* Netscape Communications Corporation. All Rights Reserved.
*/
/**
**/
#ifndef nsButtonFrameRenderer_h___
#define nsButtonFrameRenderer_h___
#include "nsCoord.h"
#include "nsIStyleContext.h"
#include "nsCOMPtr.h"
#include "nsFrame.h"
class nsButtonFrameRenderer {
public:
enum ButtonState {
active,
hover,
normal
};
nsButtonFrameRenderer();
virtual ~nsButtonFrameRenderer();
NS_IMETHOD HandleEvent(nsIPresContext& aPresContext,
nsGUIEvent* aEvent,
nsEventStatus& aEventStatus);
virtual void PaintButton(nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer,
const nsRect& aRect);
virtual void PaintOutlineAndFocusBorders(nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer,
const nsRect& aRect);
virtual void PaintBorderAndBackground(nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer,
const nsRect& aRect);
virtual void SetNameSpace(PRInt32 aNameSpace);
virtual void SetFrame(nsFrame* aFrame, nsIPresContext& aPresContext);
virtual void SetActive(PRBool aActive, PRBool notify);
virtual void SetHover(PRBool aHover, PRBool notify);
virtual void SetFocus(PRBool aFocus, PRBool notify);
virtual void SetDisabled(PRBool aDisabled, PRBool notify);
PRBool isActive();
PRBool isHover();
PRBool isDisabled();
PRBool isFocus();
virtual void GetButtonOutlineRect(const nsRect& aRect, nsRect& aResult);
virtual void GetButtonOuterFocusRect(const nsRect& aRect, nsRect& aResult);
virtual void GetButtonRect(const nsRect& aRect, nsRect& aResult);
virtual void GetButtonInnerFocusRect(const nsRect& aRect, nsRect& aResult);
virtual void GetButtonContentRect(const nsRect& aRect, nsRect& aResult);
virtual nsMargin GetButtonOuterFocusBorderAndPadding();
virtual nsMargin GetButtonBorderAndPadding();
virtual nsMargin GetButtonInnerFocusMargin();
virtual nsMargin GetButtonInnerFocusBorderAndPadding();
virtual nsMargin GetButtonOutlineBorderAndPadding();
virtual nsMargin GetFullButtonBorderAndPadding();
virtual nsMargin GetAddedButtonBorderAndPadding();
virtual void ReResolveStyles(nsIPresContext& aPresContext);
/**
* Subroutine to add in borders and padding
*/
virtual void AddFocusBordersAndPadding(nsIPresContext& aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aDesiredSize,
nsMargin& aBorderPadding);
virtual void Redraw();
protected:
virtual nsString GetPseudoClassAttribute();
virtual void SetPseudoClassAttribute(const nsString& value, PRBool notify);
virtual void ToggleClass(PRBool aEnabled, const nsString& c, PRBool notify);
virtual void AddClass(nsString& pseudoclass, const nsString newClass);
virtual void RemoveClass(nsString& pseudoclass, const nsString newClass);
virtual PRInt32 IndexOfClass(nsString& pseudoclass, const nsString& c);
private:
// cached styles for focus and outline.
nsCOMPtr<nsIStyleContext> mBorderStyle;
nsCOMPtr<nsIStyleContext> mInnerFocusStyle;
nsCOMPtr<nsIStyleContext> mOuterFocusStyle;
nsCOMPtr<nsIStyleContext> mOutlineStyle;
PRInt32 mNameSpace;
nsFrame* mFrame;
nsRect mOutlineRect;
};
#endif