1 /* 2 * Copyright (C) 2010 Google, 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. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef HTMLScriptRunnerHost_h 27 #define HTMLScriptRunnerHost_h 28 29 #include <wtf/Forward.h> 30 31 namespace WebCore { 32 33 class CachedResource; 34 class Element; 35 class HTMLInputStream; 36 class ScriptSourceCode; 37 38 class HTMLScriptRunnerHost { 39 public: ~HTMLScriptRunnerHost()40 virtual ~HTMLScriptRunnerHost() { } 41 42 // Implementors should call cachedResource->addClient() here or soon after. 43 virtual void watchForLoad(CachedResource*) = 0; 44 // Implementors must call cachedResource->removeClient() immediately. 45 virtual void stopWatchingForLoad(CachedResource*) = 0; 46 47 virtual HTMLInputStream& inputStream() = 0; 48 49 virtual bool hasPreloadScanner() const = 0; 50 virtual void appendCurrentInputStreamToPreloadScannerAndScan() = 0; 51 52 }; 53 54 } 55 56 #endif 57