Annotation of chimera/nsCOMPtr.cpp, revision 1.1

1.1     ! hyatt       1: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
        !             2: /* ***** BEGIN LICENSE BLOCK *****
        !             3:  * Version: NPL 1.1/GPL 2.0/LGPL 2.1
        !             4:  *
        !             5:  * The contents of this file are subject to the Netscape Public License
        !             6:  * Version 1.1 (the "License"); you may not use this file except in
        !             7:  * compliance with the License. You may obtain a copy of the License at
        !             8:  * http://www.mozilla.org/NPL/
        !             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:  *   Scott Collins <scc@netscape.com>
        !            24:  *
        !            25:  * Alternatively, the contents of this file may be used under the terms of
        !            26:  * either the GNU General Public License Version 2 or later (the "GPL"), or 
        !            27:  * 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
        !            29:  * of those above. If you wish to allow use of your version of this file only
        !            30:  * under the terms of either the GPL or the LGPL, and not to allow others to
        !            31:  * use your version of this file under the terms of the NPL, indicate your
        !            32:  * decision by deleting the provisions above and replace them with the notice
        !            33:  * and other provisions required by the GPL or the LGPL. If you do not delete
        !            34:  * the provisions above, a recipient may use your version of this file under
        !            35:  * the terms of any one of the NPL, the GPL or the LGPL.
        !            36:  *
        !            37:  * ***** END LICENSE BLOCK ***** */
        !            38: 
        !            39: #include "nsCOMPtr.h"
        !            40: 
        !            41: nsresult
        !            42: nsQueryInterface::operator()( const nsIID& aIID, void** answer ) const
        !            43:  {
        !            44:    nsresult status;
        !            45:    if ( mRawPtr )
        !            46:      {
        !            47:        status = mRawPtr->QueryInterface(aIID, answer);
        !            48: #ifdef NSCAP_FEATURE_TEST_NONNULL_QUERY_SUCCEEDS
        !            49:        NS_WARN_IF_FALSE(NS_SUCCEEDED(status), "interface not found---were you expecting that?");
        !            50: #endif
        !            51:      }
        !            52:    else
        !            53:      status = NS_ERROR_NULL_POINTER;
        !            54:    
        !            55:    if ( mErrorPtr )
        !            56:      *mErrorPtr = status;
        !            57:    return status;
        !            58:  }
        !            59: 
        !            60: #ifdef NSCAP_FEATURE_FACTOR_DESTRUCTOR
        !            61: nsCOMPtr_base::~nsCOMPtr_base()
        !            62:  {
        !            63:    if ( mRawPtr )
        !            64:      NSCAP_RELEASE(this, mRawPtr);
        !            65:  }
        !            66: #endif
        !            67: 
        !            68: void
        !            69: nsCOMPtr_base::assign_with_AddRef( nsISupports* rawPtr )
        !            70:  {
        !            71:     if ( rawPtr )
        !            72:      NSCAP_ADDREF(this, rawPtr);
        !            73:     assign_assuming_AddRef(rawPtr);
        !            74:  }
        !            75: 
        !            76: void
        !            77: nsCOMPtr_base::assign_from_helper( const nsCOMPtr_helper& helper, const nsIID& iid )
        !            78:  {
        !            79:    nsISupports* newRawPtr;
        !            80:    if ( NS_FAILED( helper(iid, NS_REINTERPRET_CAST(void**, &newRawPtr)) ) )
        !            81:      newRawPtr = 0;
        !            82:     assign_assuming_AddRef(newRawPtr);
        !            83:  }
        !            84: 
        !            85: void**
        !            86: nsCOMPtr_base::begin_assignment()
        !            87:   {
        !            88:     assign_assuming_AddRef(0);
        !            89:     return NS_REINTERPRET_CAST(void**, &mRawPtr);
        !            90:   }

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