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/* -*- 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 nsFileControlFrame_h___
#define nsFileControlFrame_h___
#include "nsAreaFrame.h"
#include "nsIFormControlFrame.h"
#include "nsIDOMMouseListener.h"
#include "nsIAnonymousContentCreator.h"
#include "nsCOMPtr.h"
#include "nsTextControlFrame.h"
#include "nsFormControlHelper.h"
typedef nsTextControlFrame nsNewFrame;
class nsISupportsArray;
class nsFileControlFrame : public nsAreaFrame,
public nsIFormControlFrame,
public nsIAnonymousContentCreator
{
public:
nsFileControlFrame();
virtual ~nsFileControlFrame();
NS_IMETHOD Init(nsPresContext* aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsStyleContext* aContext,
nsIFrame* aPrevInFlow);
NS_IMETHOD Paint(nsPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer,
PRUint32 aFlags = 0);
// nsIFormControlFrame
NS_IMETHOD SetProperty(nsPresContext* aPresContext, nsIAtom* aName, const nsAString& aValue);
NS_IMETHOD GetProperty(nsIAtom* aName, nsAString& aValue);
NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
NS_IMETHOD OnContentReset();
NS_IMETHOD Reflow(nsPresContext* aCX,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
NS_IMETHOD Destroy(nsPresContext *aPresContext);
#ifdef NS_DEBUG
NS_IMETHOD GetFrameName(nsAString& aResult) const;
#endif
NS_IMETHOD SetSuggestedSize(nscoord aWidth, nscoord aHeight) { return NS_OK; };
NS_IMETHOD GetFrameForPoint(const nsPoint& aPoint, nsFramePaintLayer aWhichLayer, nsIFrame** aFrame);
NS_IMETHOD AttributeChanged(nsIContent* aChild,
PRInt32 aNameSpaceID,
nsIAtom* aAttribute,
PRInt32 aModType);
virtual PRBool IsLeaf() const;
NS_IMETHOD GetName(nsAString* aName);
NS_IMETHOD_(PRInt32) GetFormControlType() const;
void SetFocus(PRBool aOn, PRBool aRepaint);
void ScrollIntoView(nsPresContext* aPresContext);
NS_IMETHOD GetFormContent(nsIContent*& aContent) const;
virtual nscoord GetVerticalInsidePadding(nsPresContext* aPresContext,
float aPixToTwip,
nscoord aInnerHeight) const;
virtual nscoord GetHorizontalInsidePadding(nsPresContext* aPresContext,
float aPixToTwip,
nscoord aInnerWidth,
nscoord aCharWidth) const;
// from nsIAnonymousContentCreator
NS_IMETHOD CreateAnonymousContent(nsPresContext* aPresContext,
nsISupportsArray& aChildList);
NS_IMETHOD CreateFrameFor(nsPresContext* aPresContext,
nsIContent * aContent,
nsIFrame** aFrame) { if (aFrame) *aFrame = nsnull; return NS_ERROR_FAILURE; }
// We don't paint our background.
virtual PRBool CanPaintBackground() { return PR_FALSE; }
protected:
class MouseListener;
friend class MouseListener;
class MouseListener : public nsIDOMMouseListener {
public:
NS_DECL_ISUPPORTS
MouseListener(nsFileControlFrame* aFrame) :
mFrame(aFrame)
{}
void ForgetFrame() {
mFrame = nsnull;
}
// We just want to capture the click events on our browse button
// and textfield.
NS_IMETHOD MouseDown(nsIDOMEvent* aMouseEvent) { return NS_OK; }
NS_IMETHOD MouseUp(nsIDOMEvent* aMouseEvent) { return NS_OK; }
NS_IMETHOD MouseClick(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseDblClick(nsIDOMEvent* aMouseEvent) { return NS_OK; }
NS_IMETHOD MouseOver(nsIDOMEvent* aMouseEvent) { return NS_OK; }
NS_IMETHOD MouseOut(nsIDOMEvent* aMouseEvent) { return NS_OK; }
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; }
private:
nsFileControlFrame* mFrame;
};
nsresult MouseClick(nsIDOMEvent* aMouseEvent);
virtual PRIntn GetSkipSides() const;
/**
* The text frame (populated on initial reflow).
* @see nsFileControlFrame::Reflow
*/
nsNewFrame* mTextFrame;
/**
* The text box input.
* @see nsFileControlFrame::CreateAnonymousContent
*/
nsCOMPtr<nsIContent> mTextContent;
/**
* The browse button input.
* @see nsFileControlFrame::CreateAnonymousContent
*/
nsCOMPtr<nsIContent> mBrowse;
/**
* The current value, stored during those rare in-between periods where the
* file frame is there but the input frame is not.
*/
nsString* mCachedState;
/**
* The current pres context.
* XXX Hack: pres context needed by function MouseClick() and SetFocus()
*/
nsPresContext* mPresContext; // weak reference
/**
* Our mouse listener. This makes sure we don't get used after destruction.
*/
nsRefPtr<MouseListener> mMouseListener;
private:
/**
* Find the first text frame child (first frame child whose content has input
* type=text) of a frame.
* XXX this is an awfully complicated implementation of something we could
* likely do by just doing GetPrimaryFrame on mTextContent
*
* @param aPresContext the current pres context
* @param aStart the parent frame to search children of
* @return the text control frame, or null if not found
*/
nsNewFrame* GetTextControlFrame(nsPresContext* aPresContext,
nsIFrame* aStart);
/**
* Copy an attribute from file content to text and button content.
* @param aNameSpaceID namespace of attr
* @param aAttribute attribute atom
* @param aWhichControls which controls to apply to (SYNC_TEXT or SYNC_FILE
* or SYNC_BOTH)
*/
void SyncAttr(PRInt32 aNameSpaceID, nsIAtom* aAttribute,
PRBool aWhichControls);
NS_IMETHOD_(nsrefcnt) AddRef() { return 1; }
NS_IMETHOD_(nsrefcnt) Release() { return 1; }
};
#endif
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