1/* 2 * Copyright (C) 2010 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef NPRuntimeUtilities_h 27#define NPRuntimeUtilities_h 28 29#if ENABLE(NETSCAPE_PLUGIN_API) 30 31#include <WebCore/npruntime_internal.h> 32#include <wtf/Forward.h> 33 34struct NPClass; 35struct NPObject; 36 37namespace WebKit { 38 39void* npnMemAlloc(uint32_t); 40void npnMemFree(void*); 41 42template<typename T> T* npnMemNew() 43{ 44 return static_cast<T*>(npnMemAlloc(sizeof(T))); 45} 46 47template<typename T> T* npnMemNewArray(size_t count) 48{ 49 return static_cast<T*>(npnMemAlloc(sizeof(T) * count)); 50} 51 52NPString createNPString(const CString&); 53 54NPObject* createNPObject(NPP, NPClass*); 55void deallocateNPObject(NPObject*); 56 57void retainNPObject(NPObject*); 58void releaseNPObject(NPObject*); 59 60// This function decrements the refcount of the specified object. If the 61// refcount reaches 0 it will attempt to destroy the object. If the object has 62// a custom deallocate function it will fail and return false, so it will be 63// up to the caller to call deallocateNPObject. 64// This function is used to implement the delayed finalization of NPObjects 65// released during GC. 66bool trySafeReleaseNPObject(NPObject*); 67 68void releaseNPVariantValue(NPVariant*); 69 70} 71 72#endif // ENABLE(NETSCAPE_PLUGIN_API) 73 74#endif // NPRuntimeUtilities_h 75