gecko-dev/layout/forms/nsIsIndexFrame.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 1.1 (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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef nsIsIndexFrame_h___
#define nsIsIndexFrame_h___
#include "nsAreaFrame.h"
#include "nsIFormControlFrame.h"
#include "nsIAnonymousContentCreator.h"
#include "nsIStatefulFrame.h"
#include "nsIUnicodeEncoder.h"
#include "nsIDOMKeyListener.h"
#include "nsGfxTextControlFrame2.h"
#include "nsFormControlHelper.h"
typedef nsGfxTextControlFrame2 nsNewFrame;
class nsIPresState;
class nsISupportsArray;
class nsIHTMLContent;
class nsIsIndexFrame : public nsAreaFrame,
public nsIAnonymousContentCreator,
public nsIDOMKeyListener,
public nsIStatefulFrame
{
public:
nsIsIndexFrame();
virtual ~nsIsIndexFrame();
NS_IMETHOD Paint(nsIPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer);
// XXX Hack so we can squirrel away the pres context pointer for the KeyPress method
NS_IMETHOD Init(nsIPresContext* aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsIStyleContext* aContext,
nsIFrame* aPrevInFlow) {
mPresContext = aPresContext;
return nsAreaFrame::Init(aPresContext, aContent, aParent, aContext, aPrevInFlow);
}
/**
* Processes a key pressed event
* @param aKeyEvent @see nsIDOMEvent.h
* @returns whether the event was consumed or ignored. @see nsresult
*/
NS_IMETHOD KeyDown(nsIDOMEvent* aKeyEvent) { return NS_OK; }
/**
* Processes a key release event
* @param aKeyEvent @see nsIDOMEvent.h
* @returns whether the event was consumed or ignored. @see nsresult
*/
NS_IMETHOD KeyUp(nsIDOMEvent* aKeyEvent) { return NS_OK; }
/**
* Processes a key typed event
* @param aKeyEvent @see nsIDOMEvent.h
* @returns whether the event was consumed or ignored. @see nsresult
*
*/
NS_IMETHOD KeyPress(nsIDOMEvent* aKeyEvent); // we only care when a key is pressed
// nsIFormControlFrame
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 AttributeChanged(nsIPresContext* aPresContext,
nsIContent* aChild,
PRInt32 aNameSpaceID,
nsIAtom* aAttribute,
PRInt32 aModType,
PRInt32 aHint);
void SetFocus(PRBool aOn, PRBool aRepaint);
void ScrollIntoView(nsIPresContext* aPresContext);
// 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; }
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; }
NS_IMETHOD OnSubmit(nsIPresContext* aPresContext);
//nsIStatefulFrame
NS_IMETHOD SaveState(nsIPresContext* aPresContext, nsIPresState** aState);
NS_IMETHOD RestoreState(nsIPresContext* aPresContext, nsIPresState* aState);
protected:
nsIHTMLContent* mTextContent;
nsIHTMLContent* mInputContent;
// XXX Hack: pres context needed by function KeyPress() and SetFocus()
nsIPresContext* mPresContext; // weak reference
private:
NS_IMETHOD UpdatePromptLabel();
NS_IMETHOD GetInputFrame(nsIPresContext* aPresContext, nsIFormControlFrame** oFrame);
NS_IMETHOD GetInputValue(nsIPresContext* aPresContext, nsString& oString);
NS_IMETHOD SetInputValue(nsIPresContext* aPresContext, const nsString aString);
void GetSubmitCharset(nsString& oCharset);
NS_IMETHOD GetEncoder(nsIUnicodeEncoder** encoder);
char* UnicodeToNewBytes(const PRUnichar* aSrc, PRUint32 aLen, nsIUnicodeEncoder* encoder);
void URLEncode(const nsString& aString, nsIUnicodeEncoder* encoder, nsString& oString);
NS_IMETHOD_(nsrefcnt) AddRef() { return NS_OK; }
NS_IMETHOD_(nsrefcnt) Release() { return NS_OK; }
};
#endif