LCOV - code coverage report
Current view: directory - layout/xul/base/src - nsScrollbarFrame.h (source / functions) Found Hit Coverage
Test: app.info Lines: 6 0 0.0 %
Date: 2012-06-02 Functions: 5 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : //
      39                 : // nsScrollbarFrame
      40                 : //
      41                 : 
      42                 : #ifndef nsScrollbarFrame_h__
      43                 : #define nsScrollbarFrame_h__
      44                 : 
      45                 : #include "nsBoxFrame.h"
      46                 : 
      47                 : class nsIScrollbarMediator;
      48                 : 
      49                 : nsIFrame* NS_NewScrollbarFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
      50                 : 
      51                 : class nsScrollbarFrame : public nsBoxFrame
      52               0 : {
      53                 : public:
      54               0 :     nsScrollbarFrame(nsIPresShell* aShell, nsStyleContext* aContext):
      55               0 :       nsBoxFrame(aShell, aContext), mScrollbarMediator(nsnull) {}
      56                 : 
      57                 :   NS_DECL_QUERYFRAME_TARGET(nsScrollbarFrame)
      58                 : 
      59                 : #ifdef DEBUG
      60               0 :   NS_IMETHOD GetFrameName(nsAString& aResult) const {
      61               0 :     return MakeFrameName(NS_LITERAL_STRING("ScrollbarFrame"), aResult);
      62                 :   }
      63                 : #endif
      64                 : 
      65                 :   // nsIFrame overrides
      66                 :   NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
      67                 :                               nsIAtom* aAttribute,
      68                 :                               PRInt32 aModType);
      69                 : 
      70                 :   NS_DECL_QUERYFRAME
      71                 :   NS_DECL_FRAMEARENA_HELPERS
      72                 : 
      73                 :   NS_IMETHOD HandlePress(nsPresContext* aPresContext,
      74                 :                          nsGUIEvent *    aEvent,
      75                 :                          nsEventStatus*  aEventStatus);
      76                 : 
      77                 :   NS_IMETHOD HandleMultiplePress(nsPresContext* aPresContext,
      78                 :                                  nsGUIEvent *    aEvent,
      79                 :                                  nsEventStatus*  aEventStatus,
      80                 :                                  bool aControlHeld);
      81                 : 
      82                 :   NS_IMETHOD HandleDrag(nsPresContext* aPresContext,
      83                 :                         nsGUIEvent *    aEvent,
      84                 :                         nsEventStatus*  aEventStatus);
      85                 : 
      86                 :   NS_IMETHOD HandleRelease(nsPresContext* aPresContext,
      87                 :                            nsGUIEvent *    aEvent,
      88                 :                            nsEventStatus*  aEventStatus);
      89                 : 
      90                 :   NS_IMETHOD Init(nsIContent*      aContent,
      91                 :                   nsIFrame*        aParent,
      92                 :                   nsIFrame*        aPrevInFlow);
      93                 : 
      94                 :   NS_IMETHOD Reflow(nsPresContext*          aPresContext,
      95                 :                     nsHTMLReflowMetrics&     aDesiredSize,
      96                 :                     const nsHTMLReflowState& aReflowState,
      97                 :                     nsReflowStatus&          aStatus);
      98                 : 
      99                 :   virtual nsIAtom* GetType() const;  
     100                 : 
     101                 :   void SetScrollbarMediatorContent(nsIContent* aMediator);
     102                 :   nsIScrollbarMediator* GetScrollbarMediator();
     103                 : 
     104                 :   // nsBox methods
     105                 : 
     106                 :   /**
     107                 :    * Treat scrollbars as clipping their children; overflowing children
     108                 :    * will not be allowed to set an overflow rect on this
     109                 :    * frame. This means that when the scroll code decides to hide a
     110                 :    * scrollframe by setting its height or width to zero, that will
     111                 :    * hide the children too.
     112                 :    */
     113               0 :   virtual bool DoesClipChildren() { return true; }
     114                 : 
     115                 : private:
     116                 :   nsCOMPtr<nsIContent> mScrollbarMediator;
     117                 : }; // class nsScrollbarFrame
     118                 : 
     119                 : #endif

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