/* -*- 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 "nsCOMPtr.h" #include "nsIHTMLContent.h" #include "nsTextControlFrame.h" #include "nsFormControlHelper.h" typedef nsTextControlFrame nsNewFrame; class nsIPresState; class nsISupportsArray; class nsFileControlFrame : public nsAreaFrame, public nsIFormControlFrame, public nsIDOMMouseListener, public nsIAnonymousContentCreator { public: nsFileControlFrame(); virtual ~nsFileControlFrame(); // XXX Hack so we can squirrel away the pres context pointer NS_IMETHOD Init(nsIPresContext* aPresContext, nsIContent* aContent, nsIFrame* aParent, nsStyleContext* aContext, nsIFrame* aPrevInFlow) { mPresContext = aPresContext; return nsAreaFrame::Init(aPresContext, aContent, aParent, aContext, aPrevInFlow); } virtual void MouseClicked(nsIPresContext* aPresContext) {} NS_IMETHOD Paint(nsIPresContext* aPresContext, nsIRenderingContext& aRenderingContext, const nsRect& aDirtyRect, nsFramePaintLayer aWhichLayer, PRUint32 aFlags = 0); // nsIFormControlFrame NS_IMETHOD SetProperty(nsIPresContext* 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(nsIPresContext* aCX, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus); NS_IMETHOD Destroy(nsIPresContext *aPresContext); #ifdef NS_DEBUG NS_IMETHOD GetFrameName(nsAString& 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); NS_IMETHOD GetName(nsAString* aName); NS_IMETHOD_(PRInt32) GetType() 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; } protected: virtual PRIntn GetSkipSides() const; /** * The text frame (populated on initial reflow). * @see nsFileControlFrame::Reflow */ nsNewFrame* mTextFrame; /** * The text box input. * @see nsFileControlFrame::CreateAnonymousContent */ nsCOMPtr mTextContent; /** * The browse button input. * @see nsFileControlFrame::CreateAnonymousContent */ nsCOMPtr 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() */ nsIPresContext* mPresContext; // weak reference 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(nsIPresContext* 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 NS_OK; } NS_IMETHOD_(nsrefcnt) Release() { return NS_OK; } }; #endif