LCOV - app.info - layout/xul/base/src/tree/src/nsTreeContentView.h

LCOV - code coverage report
| Current view: | directory - layout/xul/base/src/tree/src - nsTreeContentView.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 3 | 1 | 33.3 %
| Date: | 2012-06-02 | Functions: | 6 | 1 | 16.7 %

           1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
           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 Jan Varga.
          18                 :  * Portions created by the Initial Developer are Copyright (C) 2001
          19                 :  * the Initial Developer. All Rights Reserved.
          20                 :  *
          21                 :  * Contributor(s):
          22                 :  *   Brian Ryner <bryner@brianryner.com>
          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                 : #ifndef nsTreeContentView_h__
          39                 : #define nsTreeContentView_h__
          40                 :
          41                 : #include "nsFixedSizeAllocator.h"
          42                 : #include "nsTArray.h"
          43                 : #include "nsIDocument.h"
          44                 : #include "nsStubDocumentObserver.h"
          45                 : #include "nsITreeBoxObject.h"
          46                 : #include "nsITreeColumns.h"
          47                 : #include "nsITreeView.h"
          48                 : #include "nsITreeContentView.h"
          49                 : #include "nsITreeSelection.h"
          50                 :
          51                 : class Row;
          52                 :
          53                 : nsresult NS_NewTreeContentView(nsITreeView** aResult);
          54                 :
          55                 : class nsTreeContentView : public nsINativeTreeView,
          56                 :                           public nsITreeContentView,
          57                 :                           public nsStubDocumentObserver
          58                 : {
          59                 :   public:
          60                 :     nsTreeContentView(void);
          61                 :
          62                 :     ~nsTreeContentView(void);
          63                 :
          64               0 :     NS_DECL_CYCLE_COLLECTING_ISUPPORTS
          65            1464 :     NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsTreeContentView,
          66                 :                                              nsINativeTreeView)
          67                 :
          68                 :     NS_DECL_NSITREEVIEW
          69                 :     // nsINativeTreeView: Untrusted code can use us
          70               0 :     NS_IMETHOD EnsureNative() { return NS_OK; }
          71                 :
          72                 :     NS_DECL_NSITREECONTENTVIEW
          73                 :
          74                 :     // nsIDocumentObserver
          75                 :     NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
          76                 :     NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
          77                 :     NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
          78                 :     NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
          79                 :     NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED
          80                 :
          81                 :     static bool CanTrustTreeSelection(nsISupports* aValue);
          82                 :
          83                 :   protected:
          84                 :     // Recursive methods which deal with serializing of nested content.
          85                 :     void Serialize(nsIContent* aContent, PRInt32 aParentIndex, PRInt32* aIndex,
          86                 :                    nsTArray<Row*>& aRows);
          87                 :
          88                 :     void SerializeItem(nsIContent* aContent, PRInt32 aParentIndex,
          89                 :                        PRInt32* aIndex, nsTArray<Row*>& aRows);
          90                 :
          91                 :     void SerializeSeparator(nsIContent* aContent, PRInt32 aParentIndex,
          92                 :                             PRInt32* aIndex, nsTArray<Row*>& aRows);
          93                 :
          94                 :     void GetIndexInSubtree(nsIContent* aContainer, nsIContent* aContent, PRInt32* aResult);
          95                 :
          96                 :     // Helper methods which we use to manage our plain array of rows.
          97                 :     PRInt32 EnsureSubtree(PRInt32 aIndex);
          98                 :
          99                 :     PRInt32 RemoveSubtree(PRInt32 aIndex);
         100                 :
         101                 :     PRInt32 InsertRow(PRInt32 aParentIndex, PRInt32 aIndex, nsIContent* aContent);
         102                 :
         103                 :     void InsertRowFor(nsIContent* aParent, nsIContent* aChild);
         104                 :
         105                 :     PRInt32 RemoveRow(PRInt32 aIndex);
         106                 :
         107                 :     void ClearRows();
         108                 :
         109                 :     void OpenContainer(PRInt32 aIndex);
         110                 :
         111                 :     void CloseContainer(PRInt32 aIndex);
         112                 :
         113                 :     PRInt32 FindContent(nsIContent* aContent);
         114                 :
         115                 :     void UpdateSubtreeSizes(PRInt32 aIndex, PRInt32 aCount);
         116                 :
         117                 :     void UpdateParentIndexes(PRInt32 aIndex, PRInt32 aSkip, PRInt32 aCount);
         118                 :
         119                 :     // Content helpers.
         120                 :     nsIContent* GetCell(nsIContent* aContainer, nsITreeColumn* aCol);
         121                 :
         122                 :   private:
         123                 :     nsCOMPtr<nsITreeBoxObject>          mBoxObject;
         124                 :     nsCOMPtr<nsITreeSelection>          mSelection;
         125                 :     nsCOMPtr<nsIContent>                mRoot;
         126                 :     nsCOMPtr<nsIContent>                mBody;
         127                 :     nsIDocument*                        mDocument;      // WEAK
         128                 :     nsFixedSizeAllocator                mAllocator;
         129                 :     nsTArray<Row*>                      mRows;
         130                 : };
         131                 :
         132                 : #endif // nsTreeContentView_h__

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