gecko/layout/forms/nsIsIndexFrame.h

137 lines
4.7 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
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#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 "nsTextControlFrame.h"
typedef nsTextControlFrame nsNewFrame;
class nsIsIndexFrame : public nsAreaFrame,
public nsIAnonymousContentCreator,
public nsIDOMKeyListener,
public nsIStatefulFrame
{
public:
nsIsIndexFrame(nsStyleContext* aContext);
virtual ~nsIsIndexFrame();
virtual void Destroy();
/**
* 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);
virtual nscoord GetMinWidth(nsIRenderingContext *aRenderingContext);
virtual PRBool IsLeaf() const;
#ifdef NS_DEBUG
NS_IMETHOD GetFrameName(nsAString& aResult) const;
#endif
NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
nsIAtom* aAttribute,
PRInt32 aModType);
void SetFocus(PRBool aOn, PRBool aRepaint);
// nsIAnonymousContentCreator
virtual nsresult CreateAnonymousContent(nsTArray<nsIContent*>& aElements);
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; }
NS_IMETHOD OnSubmit(nsPresContext* aPresContext);
//nsIStatefulFrame
NS_IMETHOD SaveState(SpecialStateID aStateID, nsPresState** aState);
NS_IMETHOD RestoreState(nsPresState* aState);
protected:
// native anonymous content generated by this frame when
// asked via the nsIAnonymousContentCreator interface.
nsCOMPtr<nsIContent> mTextContent;
nsCOMPtr<nsIContent> mInputContent;
nsCOMPtr<nsIContent> mPreHr;
nsCOMPtr<nsIContent> mPostHr;
private:
nsresult UpdatePromptLabel(PRBool aNotify);
nsresult GetInputFrame(nsIFormControlFrame** oFrame);
void GetInputValue(nsString& oString);
void SetInputValue(const nsString& aString);
void GetSubmitCharset(nsCString& 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