1/* 2 * Copyright (C) 2013 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 ContentFilter_h 27#define ContentFilter_h 28 29#if USE(CONTENT_FILTERING) 30 31#include <wtf/PassRefPtr.h> 32#include <wtf/RefCounted.h> 33#include <wtf/RetainPtr.h> 34 35#if PLATFORM(MAC) 36OBJC_CLASS WebFilterEvaluator; 37#endif 38 39namespace WebCore { 40 41class ResourceResponse; 42 43class ContentFilter : public RefCounted<ContentFilter> { 44public: 45 static PassRefPtr<ContentFilter> create(const ResourceResponse&); 46 static bool isEnabled(); 47 48 void addData(const char* data, int length); 49 void finishedAddingData(); 50 bool needsMoreData() const; 51 bool didBlockData() const; 52 const char* getReplacementData(int& length) const; 53 54private: 55 explicit ContentFilter(const ResourceResponse&); 56 57#if PLATFORM(MAC) 58 RetainPtr<WebFilterEvaluator> m_platformContentFilter; 59 RetainPtr<NSData> m_replacementData; 60#endif 61}; 62 63} // namespace WebCore 64 65#endif // USE(CONTENT_FILTERING) 66 67#endif // ContentFilter_h 68