pjs/layout/forms/nsFileControlFrame.h

190 строки
6.8 KiB
C
Исходник Обычный вид История

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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 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsFileControlFrame_h___
#define nsFileControlFrame_h___
#include "nsAreaFrame.h"
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#include "nsIFormControlFrame.h"
#include "nsIDOMMouseListener.h"
#include "nsIAnonymousContentCreator.h"
#include "nsIStatefulFrame.h"
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class nsButtonControlFrame;
class nsTextControlFrame;
class nsFormFrame;
class nsISupportsArray;
class nsIHTMLContent;
class nsFileControlFrame : public nsAreaFrame,
public nsIFormControlFrame,
public nsIDOMMouseListener,
public nsIAnonymousContentCreator,
public nsIStatefulFrame
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{
public:
nsFileControlFrame();
virtual ~nsFileControlFrame();
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// 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);
// nsIFormControlFrame
NS_IMETHOD SetProperty(nsIPresContext* aPresContext, nsIAtom* aName, const nsString& aValue);
NS_IMETHOD GetProperty(nsIAtom* aName, nsString& aValue);
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NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
NS_IMETHOD Reflow(nsIPresContext& aCX,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
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#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, nsIFrame** aFrame);
NS_IMETHOD AttributeChanged(nsIPresContext* aPresContext,
nsIContent* aChild,
PRInt32 aNameSpaceID,
nsIAtom* aAttribute,
PRInt32 aHint);
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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,
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(nsISupportsArray& aChildList);
// 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
*/
virtual nsresult 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
*/
virtual nsresult 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
*
*/
virtual nsresult 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
*
*/
virtual nsresult 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
*/
virtual nsresult 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
*/
virtual nsresult MouseOut(nsIDOMEvent* aMouseEvent) { return NS_OK; }
virtual nsresult HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; }
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//nsIStatefulFrame
NS_IMETHOD GetStateType(nsIPresContext* aPresContext, StateType* aStateType);
NS_IMETHOD SaveState(nsIPresContext* aPresContext, nsISupports** aState);
NS_IMETHOD RestoreState(nsIPresContext* aPresContext, nsISupports* aState);
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protected:
nsIWidget* GetWindowTemp(nsIView *aView); // XXX temporary
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virtual PRIntn GetSkipSides() const;
nsTextControlFrame* mTextFrame;
nsFormFrame* mFormFrame;
nsIHTMLContent* mTextContent;
nsString* mCachedState;
// XXX Hack: pres context needed by function MouseClick()
nsIPresContext* mPresContext; // weak reference
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private:
nsTextControlFrame* GetTextControlFrame(nsIFrame* aStart);
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NS_IMETHOD_(nsrefcnt) AddRef() { return NS_OK; }
NS_IMETHOD_(nsrefcnt) Release() { return NS_OK; }
};
#endif