| 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| 2 | /* ***** BEGIN LICENSE BLOCK *****
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| 3 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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| 4 | *
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| 5 | * The contents of this file are subject to the Mozilla Public License Version
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| 6 | * 1.1 (the "License"); you may not use this file except in compliance with
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| 7 | * the License. You may obtain a copy of the License at
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| 8 | * http://www.mozilla.org/MPL/
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| 9 | *
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| 10 | * Software distributed under the License is distributed on an "AS IS" basis,
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| 11 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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| 12 | * for the specific language governing rights and limitations under the
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| 13 | * License.
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| 14 | *
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| 15 | * The Original Code is mozilla.org code.
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| 16 | *
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| 17 | * The Initial Developer of the Original Code is
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| 18 | * Netscape Communications Corporation.
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| 19 | * Portions created by the Initial Developer are Copyright (C) 1998
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| 20 | * the Initial Developer. All Rights Reserved.
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| 21 | *
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| 22 | * Contributor(s):
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| 23 | * Scott Collins <[email protected]>
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| 24 | *
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| 25 | * Alternatively, the contents of this file may be used under the terms of
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| 26 | * either of the GNU General Public License Version 2 or later (the "GPL"),
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| 27 | * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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| 28 | * in which case the provisions of the GPL or the LGPL are applicable instead
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| 29 | * of those above. If you wish to allow use of your version of this file only
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| 30 | * under the terms of either the GPL or the LGPL, and not to allow others to
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| 31 | * use your version of this file under the terms of the MPL, indicate your
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| 32 | * decision by deleting the provisions above and replace them with the notice
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| 33 | * and other provisions required by the GPL or the LGPL. If you do not delete
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| 34 | * the provisions above, a recipient may use your version of this file under
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| 35 | * the terms of any one of the MPL, the GPL or the LGPL.
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| 36 | *
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| 37 | * ***** END LICENSE BLOCK ***** */
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| 38 |
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| 39 | #include "nsCOMPtr.h"
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| 40 |
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| 41 | nsresult
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| 42 | nsQueryInterface::operator()( const nsIID& aIID, void** answer ) const
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| 43 | {
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| 44 | nsresult status;
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| 45 | if ( mRawPtr )
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| 46 | {
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| 47 | status = mRawPtr->QueryInterface(aIID, answer);
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| 48 | #ifdef NSCAP_FEATURE_TEST_NONNULL_QUERY_SUCCEEDS
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| 49 | NS_WARN_IF_FALSE(NS_SUCCEEDED(status), "interface not found---were you expecting that?");
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| 50 | #endif
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| 51 | }
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| 52 | else
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| 53 | status = NS_ERROR_NULL_POINTER;
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| 54 |
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| 55 | return status;
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| 56 | }
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| 57 |
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| 58 | nsresult
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| 59 | nsQueryInterfaceWithError::operator()( const nsIID& aIID, void** answer ) const
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| 60 | {
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| 61 | nsresult status;
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| 62 | if ( mRawPtr )
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| 63 | {
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| 64 | status = mRawPtr->QueryInterface(aIID, answer);
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| 65 | #ifdef NSCAP_FEATURE_TEST_NONNULL_QUERY_SUCCEEDS
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| 66 | NS_WARN_IF_FALSE(NS_SUCCEEDED(status), "interface not found---were you expecting that?");
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| 67 | #endif
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| 68 | }
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| 69 | else
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| 70 | status = NS_ERROR_NULL_POINTER;
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| 71 |
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| 72 | if ( mErrorPtr )
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| 73 | *mErrorPtr = status;
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| 74 | return status;
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| 75 | }
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| 76 |
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| 77 | nsCOMPtr_base::~nsCOMPtr_base()
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| 78 | {
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| 79 | NSCAP_LOG_RELEASE(this, mRawPtr);
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| 80 | if ( mRawPtr )
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| 81 | NSCAP_RELEASE(this, mRawPtr);
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| 82 | }
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| 83 |
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| 84 | void
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| 85 | nsCOMPtr_base::assign_with_AddRef( nsISupports* rawPtr )
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| 86 | {
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| 87 | if ( rawPtr )
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| 88 | NSCAP_ADDREF(this, rawPtr);
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| 89 | assign_assuming_AddRef(rawPtr);
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| 90 | }
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| 91 |
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| 92 | void
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| 93 | nsCOMPtr_base::assign_from_qi( const nsQueryInterface qi, const nsIID& iid )
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| 94 | {
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| 95 | nsISupports* newRawPtr;
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| 96 | if ( NS_FAILED( qi(iid, NS_REINTERPRET_CAST(void**, &newRawPtr)) ) )
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| 97 | newRawPtr = 0;
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| 98 | assign_assuming_AddRef(newRawPtr);
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| 99 | }
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| 100 |
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| 101 | void
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| 102 | nsCOMPtr_base::assign_from_qi_with_error( const nsQueryInterfaceWithError& qi, const nsIID& iid )
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| 103 | {
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| 104 | nsISupports* newRawPtr;
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| 105 | if ( NS_FAILED( qi(iid, NS_REINTERPRET_CAST(void**, &newRawPtr)) ) )
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| 106 | newRawPtr = 0;
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| 107 | assign_assuming_AddRef(newRawPtr);
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| 108 | }
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| 109 |
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| 110 | void
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| 111 | nsCOMPtr_base::assign_from_helper( const nsCOMPtr_helper& helper, const nsIID& iid )
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| 112 | {
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| 113 | nsISupports* newRawPtr;
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| 114 | if ( NS_FAILED( helper(iid, NS_REINTERPRET_CAST(void**, &newRawPtr)) ) )
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| 115 | newRawPtr = 0;
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| 116 | assign_assuming_AddRef(newRawPtr);
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| 117 | }
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| 118 |
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| 119 | void**
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| 120 | nsCOMPtr_base::begin_assignment()
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| 121 | {
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| 122 | assign_assuming_AddRef(0);
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| 123 | return NS_REINTERPRET_CAST(void**, &mRawPtr);
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| 124 | }
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