gecko-dev/layout/forms/nsFileControlFrame.h

218 lines
8.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape 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/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.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 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 NPL, 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
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsFileControlFrame_h___
#define nsFileControlFrame_h___
#include "nsAreaFrame.h"
#include "nsIFormControlFrame.h"
#include "nsIDOMMouseListener.h"
#include "nsIAnonymousContentCreator.h"
#include "nsIStatefulFrame.h"
#include "nsCOMPtr.h"
#include "nsIHTMLContent.h"
#include "nsGfxTextControlFrame2.h"
#include "nsFormControlHelper.h"
typedef nsGfxTextControlFrame2 nsNewFrame;
class nsIPresState;
class nsFormFrame;
class nsISupportsArray;
class nsFileControlFrame : public nsAreaFrame,
public nsIFormControlFrame,
public nsIDOMMouseListener,
public nsIAnonymousContentCreator,
public nsIStatefulFrame
{
public:
nsFileControlFrame();
virtual ~nsFileControlFrame();
// XXX Hack so we can squirrel away the pres context pointer
NS_IMETHOD Init(nsIPresContext* aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsIStyleContext* aContext,
nsIFrame* aPrevInFlow) {
mPresContext = aPresContext;
return nsAreaFrame::Init(aPresContext, aContent, aParent, aContext, aPrevInFlow);
}
virtual void MouseClicked(nsIPresContext* aPresContext) {}
virtual void SetFormFrame(nsFormFrame* aFormFrame) { mFormFrame = aFormFrame; }
virtual nsFormFrame* GetFromFrame() { return mFormFrame; }
NS_IMETHOD Paint(nsIPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer,
PRUint32 aFlags = 0);
// nsIFormControlFrame
NS_IMETHOD SetProperty(nsIPresContext* aPresContext, nsIAtom* aName, const nsAReadableString& aValue);
NS_IMETHOD GetProperty(nsIAtom* aName, nsAWritableString& aValue);
NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
NS_IMETHOD Reflow(nsIPresContext* aCX,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
#ifdef NS_DEBUG
NS_IMETHOD GetFrameName(nsString& aResult) const;
#endif
NS_IMETHOD SetSuggestedSize(nscoord aWidth, nscoord aHeight) { return NS_OK; };
NS_IMETHOD GetFrameForPoint(nsIPresContext* aPresContext, const nsPoint& aPoint, nsFramePaintLayer aWhichLayer, nsIFrame** aFrame);
NS_IMETHOD AttributeChanged(nsIPresContext* aPresContext,
nsIContent* aChild,
PRInt32 aNameSpaceID,
nsIAtom* aAttribute,
PRInt32 aModType,
PRInt32 aHint);
virtual PRInt32 GetMaxNumValues();
virtual PRBool GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
nsString* aValues, nsString* aNames);
NS_IMETHOD GetName(nsString* aName);
virtual PRBool IsSuccessful(nsIFormControlFrame* aSubmitter);
virtual void Reset(nsIPresContext* aPresContext);
NS_IMETHOD GetType(PRInt32* aType) const;
void SetFocus(PRBool aOn, PRBool aRepaint);
void ScrollIntoView(nsIPresContext* aPresContext);
NS_IMETHOD GetFont(nsIPresContext* aPresContext,
const nsFont*& aFont);
NS_IMETHOD GetFormContent(nsIContent*& aContent) const;
virtual nscoord GetVerticalInsidePadding(nsIPresContext* aPresContext,
float aPixToTwip,
nscoord aInnerHeight) const;
virtual nscoord GetHorizontalInsidePadding(nsIPresContext* aPresContext,
float aPixToTwip,
nscoord aInnerWidth,
nscoord aCharWidth) const;
virtual nsresult RequiresWidget(PRBool &aRequiresWidget);
// from nsIAnonymousContentCreator
NS_IMETHOD CreateAnonymousContent(nsIPresContext* aPresContext,
nsISupportsArray& aChildList);
NS_IMETHOD CreateFrameFor(nsIPresContext* aPresContext,
nsIContent * aContent,
nsIFrame** aFrame) { if (aFrame) *aFrame = nsnull; return NS_ERROR_FAILURE; }
// mouse events when out browse button is pressed
/**
* Processes a mouse down event
* @param aMouseEvent @see nsIDOMEvent.h
* @returns whether the event was consumed or ignored. @see nsresult
*/
NS_IMETHOD MouseDown(nsIDOMEvent* aMouseEvent) { return NS_OK; }
/**
* Processes a mouse up event
* @param aMouseEvent @see nsIDOMEvent.h
* @returns whether the event was consumed or ignored. @see nsresult
*/
NS_IMETHOD MouseUp(nsIDOMEvent* aMouseEvent) { return NS_OK; }
/**
* Processes a mouse click event
* @param aMouseEvent @see nsIDOMEvent.h
* @returns whether the event was consumed or ignored. @see nsresult
*
*/
NS_IMETHOD MouseClick(nsIDOMEvent* aMouseEvent); // we only care when the button is clicked
/**
* Processes a mouse click event
* @param aMouseEvent @see nsIDOMEvent.h
* @returns whether the event was consumed or ignored. @see nsresult
*
*/
NS_IMETHOD MouseDblClick(nsIDOMEvent* aMouseEvent) { return NS_OK; }
/**
* Processes a mouse enter event
* @param aMouseEvent @see nsIDOMEvent.h
* @returns whether the event was consumed or ignored. @see nsresult
*/
NS_IMETHOD MouseOver(nsIDOMEvent* aMouseEvent) { return NS_OK; }
/**
* Processes a mouse leave event
* @param aMouseEvent @see nsIDOMEvent.h
* @returns whether the event was consumed or ignored. @see nsresult
*/
NS_IMETHOD MouseOut(nsIDOMEvent* aMouseEvent) { return NS_OK; }
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; }
//nsIStatefulFrame
NS_IMETHOD SaveState(nsIPresContext* aPresContext, nsIPresState** aState);
NS_IMETHOD RestoreState(nsIPresContext* aPresContext, nsIPresState* aState);
protected:
virtual PRIntn GetSkipSides() const;
nsNewFrame* mTextFrame;
nsFormFrame* mFormFrame;
nsIHTMLContent* mTextContent;
nsCOMPtr<nsIHTMLContent> mBrowse;
nsString* mCachedState;
// XXX Hack: pres context needed by function MouseClick()
nsIPresContext* mPresContext; // weak reference
private:
nsNewFrame* GetTextControlFrame(nsIPresContext* aPresContext,
nsIFrame* aStart);
NS_IMETHOD_(nsrefcnt) AddRef() { return NS_OK; }
NS_IMETHOD_(nsrefcnt) Release() { return NS_OK; }
};
#endif