LCOV - code coverage report
Current view: directory - content/base/src - nsDOMAttribute.h (source / functions) Found Hit Coverage
Test: app.info Lines: 6 4 66.7 %
Date: 2012-06-02 Functions: 7 6 85.7 %

       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 Communicator client 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                 :  * Implementation of DOM Core's nsIDOMAttr node.
      40                 :  */
      41                 : 
      42                 : #ifndef nsDOMAttribute_h___
      43                 : #define nsDOMAttribute_h___
      44                 : 
      45                 : #include "nsIAttribute.h"
      46                 : #include "nsIDOMAttr.h"
      47                 : #include "nsIDOMText.h"
      48                 : #include "nsIDOMNodeList.h"
      49                 : #include "nsString.h"
      50                 : #include "nsCOMPtr.h"
      51                 : #include "nsINodeInfo.h"
      52                 : #include "nsDOMAttributeMap.h"
      53                 : #include "nsCycleCollectionParticipant.h"
      54                 : #include "nsStubMutationObserver.h"
      55                 : 
      56                 : // Attribute helper class used to wrap up an attribute with a dom
      57                 : // object that implements nsIDOMAttr and nsIDOMNode
      58                 : class nsDOMAttribute : public nsIAttribute,
      59                 :                        public nsIDOMAttr,
      60                 :                        public nsStubMutationObserver
      61                 : {
      62                 : public:
      63                 :   nsDOMAttribute(nsDOMAttributeMap* aAttrMap,
      64                 :                  already_AddRefed<nsINodeInfo> aNodeInfo,
      65                 :                  const nsAString& aValue,
      66                 :                  bool aNsAware);
      67                 :   virtual ~nsDOMAttribute();
      68                 : 
      69             945 :   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
      70                 : 
      71                 :   // nsIDOMNode interface
      72                 :   NS_DECL_NSIDOMNODE
      73                 : 
      74                 :   // nsIDOMAttr interface
      75                 :   NS_DECL_NSIDOMATTR
      76                 : 
      77                 :   virtual nsresult PreHandleEvent(nsEventChainPreVisitor& aVisitor);
      78                 : 
      79                 :   // nsIAttribute interface
      80                 :   void SetMap(nsDOMAttributeMap *aMap);
      81                 :   nsIContent *GetContent() const;
      82                 :   nsresult SetOwnerDocument(nsIDocument* aDocument);
      83                 : 
      84                 :   // nsINode interface
      85                 :   virtual bool IsNodeOfType(PRUint32 aFlags) const;
      86                 :   virtual PRUint32 GetChildCount() const;
      87                 :   virtual nsIContent *GetChildAt(PRUint32 aIndex) const;
      88                 :   virtual nsIContent * const * GetChildArray(PRUint32* aChildCount) const;
      89                 :   virtual PRInt32 IndexOf(nsINode* aPossibleChild) const;
      90                 :   virtual nsresult InsertChildAt(nsIContent* aKid, PRUint32 aIndex,
      91                 :                                  bool aNotify);
      92                 :   virtual nsresult AppendChildTo(nsIContent* aKid, bool aNotify);
      93                 :   virtual nsresult RemoveChildAt(PRUint32 aIndex, bool aNotify);
      94                 :   virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
      95                 :   virtual already_AddRefed<nsIURI> GetBaseURI() const;
      96                 : 
      97                 :   static void Initialize();
      98                 :   static void Shutdown();
      99                 : 
     100           31270 :   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsDOMAttribute,
     101                 :                                                          nsIAttribute)
     102                 : 
     103                 :   NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
     104                 : 
     105                 :   virtual nsXPCClassInfo* GetClassInfo();
     106                 : protected:
     107               0 :   virtual mozilla::dom::Element* GetNameSpaceElement()
     108                 :   {
     109               0 :     return GetContentInternal();
     110                 :   }
     111                 : 
     112                 :   static bool sInitialized;
     113                 : 
     114                 : private:
     115                 :   already_AddRefed<nsIAtom> GetNameAtom(nsIContent* aContent);
     116                 : 
     117                 :   void EnsureChildState();
     118                 : 
     119                 :   /**
     120                 :    * Really removing the attribute child (unbind and release).
     121                 :    */
     122                 :   void doRemoveChild(bool aNotify);
     123                 : 
     124                 :   nsString mValue;
     125                 :   // XXX For now, there's only a single child - a text element
     126                 :   // representing the value.  This is strong ref, but we use a raw
     127                 :   // pointer so we can implement GetChildArray().
     128                 :   nsIContent* mChild;
     129                 : 
     130            7516 :   mozilla::dom::Element *GetContentInternal() const
     131                 :   {
     132            7516 :     return mAttrMap ? mAttrMap->GetContent() : nsnull;
     133                 :   }
     134                 : };
     135                 : 
     136                 : 
     137                 : #endif /* nsDOMAttribute_h___ */

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