/* libs/graphics/sgl/SkRefCnt.cpp
**
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License"); 
** you may not use this file except in compliance with the License. 
** You may obtain a copy of the License at 
**
**     http://www.apache.org/licenses/LICENSE-2.0 
**
** Unless required by applicable law or agreed to in writing, software 
** distributed under the License is distributed on an "AS IS" BASIS, 
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
** See the License for the specific language governing permissions and 
** limitations under the License.
*/

#include "SkRefCnt.h"

SkAutoUnref::~SkAutoUnref() {
    if (fObj) {
        fObj->unref();
    }
}

bool SkAutoUnref::ref() {
    if (fObj) {
        fObj->ref();
        return true;
    }
    return false;
}

bool SkAutoUnref::unref() {
    if (fObj) {
        fObj->unref();
        fObj = NULL;
        return true;
    }
    return false;
}

SkRefCnt* SkAutoUnref::detach() {
    SkRefCnt* obj = fObj;
    fObj = NULL;
    return obj;
}