content/xbl/src/nsXBLProtoImplMember.h

   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  *   David Hyatt <hyatt@netscape.com> (Original Author)
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either of the GNU General Public License Version 2 or later (the "GPL"),
  27  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
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  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 #ifndef nsXBLProtoImplMember_h__
  40 #define nsXBLProtoImplMember_h__
  41
  42 #include "nsIAtom.h"
  43 #include "nsString.h"
  44 #include "jsapi.h"
  45 #include "nsIContent.h"
  46 #include "nsString.h"
  47 #include "nsIJSRuntimeService.h"
  48 #include "nsIServiceManager.h"
  49 #include "nsReadableUtils.h"
  50 #include "nsCycleCollectionParticipant.h"
  51
  52 class nsIScriptContext;
  53 struct JSRuntime;
  54 class nsIJSRuntimeService;
  55
  56 struct nsXBLTextWithLineNumber
  57 {
  58   PRUnichar* mText;
  59   PRUint32 mLineNumber;
  60
  61   nsXBLTextWithLineNumber() :
  62     mText(nsnull),
  63     mLineNumber(0)
  64   {
  65     MOZ_COUNT_CTOR(nsXBLTextWithLineNumber);
  66   }
  67
  68   ~nsXBLTextWithLineNumber() {
  69     MOZ_COUNT_DTOR(nsXBLTextWithLineNumber);
  70     if (mText) {
  71       nsMemory::Free(mText);
  72     }
  73   }
  74
  75   void AppendText(const nsAString& aText) {
  76     if (mText) {
  77       PRUnichar* temp = mText;
  78       mText = ToNewUnicode(nsDependentString(temp) + aText);
  79       nsMemory::Free(temp);
  80     } else {
  81       mText = ToNewUnicode(aText);
  82     }
  83   }
  84
  85   PRUnichar* GetText() {
  86     return mText;
  87   }
  88
  89   void SetLineNumber(PRUint32 aLineNumber) {
  90     mLineNumber = aLineNumber;
  91   }
  92
  93   PRUint32 GetLineNumber() {
  94     return mLineNumber;
  95   }
  96 };
  97
  98 class nsXBLProtoImplMember
  99 {
 100 public:
 101   nsXBLProtoImplMember(const PRUnichar* aName) :mNext(nsnull) { mName = ToNewUnicode(nsDependentString(aName)); }
 102   virtual ~nsXBLProtoImplMember() { nsMemory::Free(mName); delete mNext; }
 103
 104   nsXBLProtoImplMember* GetNext() { return mNext; }
 105   void SetNext(nsXBLProtoImplMember* aNext) { mNext = aNext; }
 106
 107   virtual nsresult InstallMember(nsIScriptContext* aContext,
 108                                  nsIContent* aBoundElement,
 109                                  void* aScriptObject,
 110                                  void* aTargetClassObject,
 111                                  const nsCString& aClassStr) = 0;
 112   virtual nsresult CompileMember(nsIScriptContext* aContext,
 113                                  const nsCString& aClassStr,
 114                                  void* aClassObject)=0;
 115
 116   virtual void Trace(TraceCallback aCallback, void *aClosure) const = 0;
 117
 118 protected:
 119   friend class nsAutoGCRoot;
 120
 121   nsXBLProtoImplMember* mNext;  // The members of an implementation are chained.
 122   PRUnichar* mName;               // The name of the field, method, or property.
 123 };
 124
 125 #endif // nsXBLProtoImplMember_h__