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 #include "config.h" 32 #include "V8ConsoleMessage.h" 33 34 #include "Console.h" 35 #include "DOMWindow.h" 36 #include "Frame.h" 37 #include "OwnPtr.h" 38 #include "Page.h" 39 #include "V8Binding.h" 40 #include "V8Proxy.h" 41 42 namespace WebCore { 43 44 Vector<V8ConsoleMessage>* V8ConsoleMessage::m_delayedMessages = 0; 45 46 V8ConsoleMessage::V8ConsoleMessage(const String& string, const String& sourceID, unsigned lineNumber) 47 : m_string(string) 48 , m_sourceID(sourceID) 49 , m_lineNumber(lineNumber) 50 { 51 } 52 53 void V8ConsoleMessage::dispatchNow(Page* page) 54 { 55 ASSERT(page); 56 57 // Process any delayed messages to make sure that messages 58 // appear in the right order in the console. 59 processDelayed(); 60 61 Console* console = page->mainFrame()->domWindow()->console(); 62 console->addMessage(JSMessageSource, LogMessageType, ErrorMessageLevel, m_string, m_lineNumber, m_sourceID); 63 } 64 65 void V8ConsoleMessage::dispatchLater() 66 { 67 if (!m_delayedMessages) { 68 // Allocate a vector for the delayed messages. Will be 69 // deallocated when the delayed messages are processed 70 // in processDelayed(). 71 m_delayedMessages = new Vector<V8ConsoleMessage>(); 72 } 73 74 m_delayedMessages->append(*this); 75 } 76 77 void V8ConsoleMessage::processDelayed() 78 { 79 if (!m_delayedMessages) 80 return; 81 82 // Take ownership of the delayed vector to avoid re-entrancy issues. 83 OwnPtr<Vector<V8ConsoleMessage> > delayedMessages(m_delayedMessages); 84 m_delayedMessages = 0; 85 86 // If we have a delayed vector it cannot be empty. 87 ASSERT(!delayedMessages->isEmpty()); 88 89 // Add the delayed messages to the page of the active 90 // context. If that for some bizarre reason does not 91 // exist, we clear the list of delayed messages to avoid 92 // posting messages. We still deallocate the vector. 93 Frame* frame = V8Proxy::retrieveFrameForEnteredContext(); 94 if (!frame) 95 return; 96 Page* page = frame->page(); 97 if (!page) 98 return; 99 100 // Iterate through all the delayed messages and add them 101 // to the console. 102 const int size = delayedMessages->size(); 103 for (int i = 0; i < size; ++i) 104 delayedMessages->at(i).dispatchNow(page); 105 } 106 107 void V8ConsoleMessage::handler(v8::Handle<v8::Message> message, v8::Handle<v8::Value> data) 108 { 109 // Use the frame where JavaScript is called from. 110 Frame* frame = V8Proxy::retrieveFrameForEnteredContext(); 111 if (!frame) 112 return; 113 Page* page = frame->page(); 114 if (!page) 115 return; 116 117 v8::Handle<v8::String> errorMessageString = message->Get(); 118 ASSERT(!errorMessageString.IsEmpty()); 119 String errorMessage = toWebCoreString(errorMessageString); 120 121 v8::Handle<v8::Value> resourceName = message->GetScriptResourceName(); 122 bool useURL = resourceName.IsEmpty() || !resourceName->IsString(); 123 String resourceNameString = useURL ? frame->document()->url() : toWebCoreString(resourceName); 124 V8ConsoleMessage consoleMessage(errorMessage, resourceNameString, message->GetLineNumber()); 125 consoleMessage.dispatchNow(page); 126 } 127 128 } // namespace WebCore 129