LCOV - code coverage report
Current view: directory - layout/xul/base/src - nsDocElementBoxFrame.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 45 0 0.0 %
Date: 2012-06-02 Functions: 12 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                 : #include "nsHTMLParts.h"
      38                 : #include "nsContainerFrame.h"
      39                 : #include "nsCSSRendering.h"
      40                 : #include "nsIDocument.h"
      41                 : #include "nsPageFrame.h"
      42                 : #include "nsGUIEvent.h"
      43                 : #include "nsIDOMEvent.h"
      44                 : #include "nsStyleConsts.h"
      45                 : #include "nsGkAtoms.h"
      46                 : #include "nsIPresShell.h"
      47                 : #include "nsBoxFrame.h"
      48                 : #include "nsStackLayout.h"
      49                 : #include "nsIAnonymousContentCreator.h"
      50                 : #include "nsINodeInfo.h"
      51                 : #include "nsIServiceManager.h"
      52                 : #include "nsNodeInfoManager.h"
      53                 : #include "nsContentCreatorFunctions.h"
      54                 : #include "nsContentUtils.h"
      55                 : 
      56                 : //#define DEBUG_REFLOW
      57                 : 
      58                 : class nsDocElementBoxFrame : public nsBoxFrame,
      59                 :                              public nsIAnonymousContentCreator
      60               0 : {
      61                 : public:
      62                 :   virtual void DestroyFrom(nsIFrame* aDestructRoot);
      63                 : 
      64                 :   friend nsIFrame* NS_NewBoxFrame(nsIPresShell* aPresShell,
      65                 :                                   nsStyleContext* aContext);
      66                 : 
      67               0 :   nsDocElementBoxFrame(nsIPresShell* aShell, nsStyleContext* aContext)
      68               0 :     :nsBoxFrame(aShell, aContext, true) {}
      69                 : 
      70                 :   NS_DECL_QUERYFRAME
      71                 :   NS_DECL_FRAMEARENA_HELPERS
      72                 : 
      73                 :   // nsIAnonymousContentCreator
      74                 :   virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements);
      75                 :   virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
      76                 :                                         PRUint32 aFilter);
      77                 : 
      78               0 :   virtual bool IsFrameOfType(PRUint32 aFlags) const
      79                 :   {
      80                 :     // Override nsBoxFrame.
      81               0 :     if (aFlags & (nsIFrame::eReplacedContainsBlock | nsIFrame::eReplaced))
      82               0 :       return false;
      83               0 :     return nsBoxFrame::IsFrameOfType(aFlags);
      84                 :   }
      85                 : 
      86                 : #ifdef DEBUG
      87                 :   NS_IMETHOD GetFrameName(nsAString& aResult) const;
      88                 : #endif
      89                 : private:
      90                 :   nsCOMPtr<nsIContent> mPopupgroupContent;
      91                 :   nsCOMPtr<nsIContent> mTooltipContent;
      92                 : };
      93                 : 
      94                 : //----------------------------------------------------------------------
      95                 : 
      96                 : nsIFrame*
      97               0 : NS_NewDocElementBoxFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
      98                 : {
      99               0 :   return new (aPresShell) nsDocElementBoxFrame (aPresShell, aContext);
     100                 : }
     101                 : 
     102               0 : NS_IMPL_FRAMEARENA_HELPERS(nsDocElementBoxFrame)
     103                 : 
     104                 : void
     105               0 : nsDocElementBoxFrame::DestroyFrom(nsIFrame* aDestructRoot)
     106                 : {
     107               0 :   nsContentUtils::DestroyAnonymousContent(&mPopupgroupContent);
     108               0 :   nsContentUtils::DestroyAnonymousContent(&mTooltipContent);
     109               0 :   nsBoxFrame::DestroyFrom(aDestructRoot);
     110               0 : }
     111                 : 
     112                 : nsresult
     113               0 : nsDocElementBoxFrame::CreateAnonymousContent(nsTArray<ContentInfo>& aElements)
     114                 : {
     115               0 :   nsIDocument* doc = mContent->GetDocument();
     116               0 :   if (!doc) {
     117                 :     // The page is currently being torn down.  Why bother.
     118               0 :     return NS_ERROR_FAILURE;
     119                 :   }
     120               0 :   nsNodeInfoManager *nodeInfoManager = doc->NodeInfoManager();
     121                 : 
     122                 :   // create the top-secret popupgroup node. shhhhh!
     123               0 :   nsCOMPtr<nsINodeInfo> nodeInfo;
     124                 :   nodeInfo = nodeInfoManager->GetNodeInfo(nsGkAtoms::popupgroup,
     125                 :                                           nsnull, kNameSpaceID_XUL,
     126               0 :                                           nsIDOMNode::ELEMENT_NODE);
     127               0 :   NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY);
     128                 : 
     129               0 :   nsresult rv = NS_NewXULElement(getter_AddRefs(mPopupgroupContent),
     130               0 :                                  nodeInfo.forget());
     131               0 :   NS_ENSURE_SUCCESS(rv, rv);
     132                 : 
     133               0 :   if (!aElements.AppendElement(mPopupgroupContent))
     134               0 :     return NS_ERROR_OUT_OF_MEMORY;
     135                 : 
     136                 :   // create the top-secret default tooltip node. shhhhh!
     137                 :   nodeInfo = nodeInfoManager->GetNodeInfo(nsGkAtoms::tooltip, nsnull,
     138                 :                                           kNameSpaceID_XUL,
     139               0 :                                           nsIDOMNode::ELEMENT_NODE);
     140               0 :   NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY);
     141                 : 
     142               0 :   rv = NS_NewXULElement(getter_AddRefs(mTooltipContent), nodeInfo.forget());
     143               0 :   NS_ENSURE_SUCCESS(rv, rv);
     144                 : 
     145                 :   mTooltipContent->SetAttr(nsnull, nsGkAtoms::_default,
     146               0 :                            NS_LITERAL_STRING("true"), false);
     147                 : 
     148               0 :   if (!aElements.AppendElement(mTooltipContent))
     149               0 :     return NS_ERROR_OUT_OF_MEMORY;
     150                 : 
     151               0 :   return NS_OK;
     152                 : }
     153                 : 
     154                 : void
     155               0 : nsDocElementBoxFrame::AppendAnonymousContentTo(nsBaseContentList& aElements,
     156                 :                                                PRUint32 aFilter)
     157                 : {
     158               0 :   aElements.MaybeAppendElement(mPopupgroupContent);
     159               0 :   aElements.MaybeAppendElement(mTooltipContent);
     160               0 : }
     161                 : 
     162               0 : NS_QUERYFRAME_HEAD(nsDocElementBoxFrame)
     163               0 :   NS_QUERYFRAME_ENTRY(nsIAnonymousContentCreator)
     164               0 : NS_QUERYFRAME_TAIL_INHERITING(nsBoxFrame)
     165                 : 
     166                 : #ifdef DEBUG
     167                 : NS_IMETHODIMP
     168               0 : nsDocElementBoxFrame::GetFrameName(nsAString& aResult) const
     169                 : {
     170               0 :   return MakeFrameName(NS_LITERAL_STRING("DocElementBox"), aResult);
     171                 : }
     172                 : #endif

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