gecko/layout/forms/nsHTMLButtonControlFrame.h
2011-12-27 21:18:48 +01:00

152 lines
5.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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/MPL/
*
* 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
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*
* ***** END LICENSE BLOCK ***** */
#ifndef nsHTMLButtonControlFrame_h___
#define nsHTMLButtonControlFrame_h___
#include "nsCOMPtr.h"
#include "nsContainerFrame.h"
#include "nsIFormControlFrame.h"
#include "nsHTMLParts.h"
#include "nsStyleContext.h"
#include "nsLeafFrame.h"
#include "nsCSSRendering.h"
#include "nsISupports.h"
#include "nsStyleConsts.h"
#include "nsIComponentManager.h"
#include "nsButtonFrameRenderer.h"
class nsRenderingContext;
class nsPresContext;
class nsHTMLButtonControlFrame : public nsContainerFrame,
public nsIFormControlFrame
{
public:
nsHTMLButtonControlFrame(nsStyleContext* aContext);
~nsHTMLButtonControlFrame();
virtual void DestroyFrom(nsIFrame* aDestructRoot);
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS
NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists);
virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext);
virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext);
NS_IMETHOD Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
NS_IMETHOD HandleEvent(nsPresContext* aPresContext,
nsGUIEvent* aEvent,
nsEventStatus* aEventStatus);
NS_IMETHOD Init(nsIContent* aContent,
nsIFrame* aParent,
nsIFrame* asPrevInFlow);
virtual nsStyleContext* GetAdditionalStyleContext(PRInt32 aIndex) const;
virtual void SetAdditionalStyleContext(PRInt32 aIndex,
nsStyleContext* aStyleContext);
NS_IMETHOD AppendFrames(ChildListID aListID,
nsFrameList& aFrameList);
NS_IMETHOD InsertFrames(ChildListID aListID,
nsIFrame* aPrevFrame,
nsFrameList& aFrameList);
NS_IMETHOD RemoveFrame(ChildListID aListID,
nsIFrame* aOldFrame);
#ifdef ACCESSIBILITY
virtual already_AddRefed<nsAccessible> CreateAccessible();
#endif
virtual nsIAtom* GetType() const;
#ifdef DEBUG
NS_IMETHOD GetFrameName(nsAString& aResult) const {
return MakeFrameName(NS_LITERAL_STRING("HTMLButtonControl"), aResult);
}
#endif
virtual bool HonorPrintBackgroundSettings() { return false; }
// nsIFormControlFrame
void SetFocus(bool aOn, bool aRepaint);
virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue);
virtual nsresult GetFormProperty(nsIAtom* aName, nsAString& aValue) const;
// Inserted child content gets its frames parented by our child block
virtual nsIFrame* GetContentInsertionFrame() {
return GetFirstPrincipalChild()->GetContentInsertionFrame();
}
virtual bool IsFrameOfType(PRUint32 aFlags) const
{
return nsContainerFrame::IsFrameOfType(aFlags &
~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
}
protected:
virtual bool IsInput() { return false; }
void ReflowButtonContents(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsIFrame* aFirstKid,
nsMargin aFocusPadding,
nsReflowStatus& aStatus);
PRIntn GetSkipSides() const;
nsButtonFrameRenderer mRenderer;
};
#endif