c73a8a4ad0
listControlFrame to see if it should set the visibility to false in nsContainerFrame Bug 92333 r=dcone sr=attinasi a=asa adt=jaime git-svn-id: svn://10.0.0.236/trunk@118246 18797224-902f-48f8-a5cc-f745e15eee43
122 lines
4.9 KiB
C++
122 lines
4.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsScrollPortView_h___
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#define nsScrollPortView_h___
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#include "nsView.h"
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#include "nsIScrollableView.h"
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class nsISupportsArray;
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//this is a class that acts as a container for other views and provides
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//automatic management of scrolling of the views it contains.
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class nsScrollPortView : public nsView, public nsIScrollableView //, public nsITimerCallback
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{
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public:
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nsScrollPortView();
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NS_IMETHOD QueryInterface(REFNSIID aIID,
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void** aInstancePtr);
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NS_IMETHOD SetWidget(nsIWidget *aWidget);
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//nsIScrollableView interface
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NS_IMETHOD CreateScrollControls(nsNativeWidget aNative = nsnull);
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NS_IMETHOD ComputeScrollOffsets(PRBool aAdjustWidgets = PR_TRUE);
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NS_IMETHOD GetContainerSize(nscoord *aWidth, nscoord *aHeight) const;
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NS_IMETHOD SetScrolledView(nsIView *aScrolledView);
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NS_IMETHOD GetScrolledView(nsIView *&aScrolledView) const;
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NS_IMETHOD ShowQuality(PRBool aShow);
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NS_IMETHOD GetShowQuality(PRBool &aShow) const;
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NS_IMETHOD SetQuality(nsContentQuality aQuality);
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NS_IMETHOD SetScrollPreference(nsScrollPreference aPref);
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NS_IMETHOD GetScrollPreference(nsScrollPreference &aScrollPreference) const;
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NS_IMETHOD GetScrollPosition(nscoord &aX, nscoord &aY) const;
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NS_IMETHOD ScrollTo(nscoord aX, nscoord aY, PRUint32 aUpdateFlags);
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NS_IMETHOD SetControlInsets(const nsMargin &aInsets);
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NS_IMETHOD GetControlInsets(nsMargin &aInsets) const;
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NS_IMETHOD GetScrollbarVisibility(PRBool *aVerticalVisible,
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PRBool *aHorizontalVisible) const;
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NS_IMETHOD SetScrollProperties(PRUint32 aProperties);
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NS_IMETHOD GetScrollProperties(PRUint32 *aProperties);
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NS_IMETHOD SetLineHeight(nscoord aHeight);
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NS_IMETHOD GetLineHeight(nscoord *aHeight);
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NS_IMETHOD ScrollByLines(PRInt32 aNumLinesX, PRInt32 aNumLinesY);
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NS_IMETHOD ScrollByPages(PRInt32 aNumPages);
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NS_IMETHOD ScrollByWhole(PRBool aTop);
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NS_IMETHOD GetClipView(const nsIView** aClipView) const;
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NS_IMETHOD AddScrollPositionListener(nsIScrollPositionListener* aListener);
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NS_IMETHOD RemoveScrollPositionListener(nsIScrollPositionListener* aListener);
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// local to the view module
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NS_IMETHOD Paint(nsIRenderingContext& rc, const nsRect& rect,
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PRUint32 aPaintFlags, PRBool &Result);
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NS_IMETHOD Paint(nsIRenderingContext& aRC, const nsIRegion& aRegion,
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PRUint32 aPaintFlags, PRBool &Result);
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nsView* GetScrolledView() const { return GetFirstChild(); }
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private:
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NS_IMETHOD_(nsrefcnt) AddRef(void);
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NS_IMETHOD_(nsrefcnt) Release(void);
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protected:
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virtual ~nsScrollPortView();
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// nsITimerCallback Interface
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//NS_IMETHOD_(void) Notify(nsITimer *timer);
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//private
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void AdjustChildWidgets(nsScrollPortView *aScrolling, nsView *aView, nscoord aDx, nscoord aDy, float aScale);
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void Scroll(nsView *aScrolledView, PRInt32 aDx, PRInt32 aDy, float scale, PRUint32 aUpdateFlags);
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PRBool CannotBitBlt(nsView* aScrolledView);
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protected:
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nscoord mOffsetX, mOffsetY;
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nscoord mOffsetXpx, mOffsetYpx;
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PRUint32 mScrollProperties;
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nscoord mLineHeight;
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nsISupportsArray *mListeners;
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};
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#endif
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