1 /* 2 * Copyright (C) 2009 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef V8DOMActivityLogger_h 32 #define V8DOMActivityLogger_h 33 34 #include "wtf/PassOwnPtr.h" 35 #include "wtf/text/WTFString.h" 36 #include <v8.h> 37 38 namespace blink { 39 40 class KURL; 41 42 class V8DOMActivityLogger { 43 public: ~V8DOMActivityLogger()44 virtual ~V8DOMActivityLogger() { } 45 logGetter(const String & apiName)46 virtual void logGetter(const String& apiName) { } logSetter(const String & apiName,const v8::Handle<v8::Value> & newValue)47 virtual void logSetter(const String& apiName, const v8::Handle<v8::Value>& newValue) { } logMethod(const String & apiName,int argc,const v8::Handle<v8::Value> * argv)48 virtual void logMethod(const String& apiName, int argc, const v8::Handle<v8::Value>* argv) { } logEvent(const String & eventName,int argc,const String * argv)49 virtual void logEvent(const String& eventName, int argc, const String* argv) { } 50 51 // Associates a logger with the world identified by worldId (worlId may be 0 52 // identifying the main world) and extension ID. Extension ID is used to 53 // identify a logger for main world only (worldId == 0). If the world is not 54 // a main world, an extension ID is ignored. 55 // 56 // A renderer process may host multiple extensions when the browser hits the 57 // renderer process limit. In such case, we assign multiple extensions to 58 // the same main world of a renderer process. In order to distinguish the 59 // extensions and their activity loggers in the main world, we require an 60 // extension ID. Otherwise, extension activities may be logged under 61 // a wrong extension ID. 62 static void setActivityLogger(int worldId, const String&, PassOwnPtr<V8DOMActivityLogger>); 63 static V8DOMActivityLogger* activityLogger(int worldId, const String& extensionId); 64 static V8DOMActivityLogger* activityLogger(int worldId, const KURL&); 65 66 // Returns activity logger for current V8 context or 0. 67 static V8DOMActivityLogger* currentActivityLogger(); 68 // Returns activity logger for current V8 context if the context belongs to 69 // an isolated world or 0. 70 static V8DOMActivityLogger* currentActivityLoggerIfIsolatedWorld(); 71 72 }; 73 74 } // namespace blink 75 76 #endif // V8DOMActivityLogger_h 77