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 33 #if ENABLE(DATABASE) 34 35 #include "V8CustomSQLStatementErrorCallback.h" 36 37 #include "Frame.h" 38 #include "V8CustomVoidCallback.h" 39 #include "V8SQLError.h" 40 #include "V8SQLTransaction.h" 41 42 namespace WebCore { 43 44 V8CustomSQLStatementErrorCallback::V8CustomSQLStatementErrorCallback(v8::Local<v8::Object> callback, Frame* frame) 45 : m_callback(v8::Persistent<v8::Object>::New(callback)) 46 , m_frame(frame) 47 { 48 } 49 50 V8CustomSQLStatementErrorCallback::~V8CustomSQLStatementErrorCallback() 51 { 52 m_callback.Dispose(); 53 } 54 55 bool V8CustomSQLStatementErrorCallback::handleEvent(SQLTransaction* transaction, SQLError* error) 56 { 57 v8::HandleScope handleScope; 58 59 v8::Handle<v8::Context> context = V8Proxy::context(m_frame.get()); 60 if (context.IsEmpty()) 61 return true; 62 63 v8::Context::Scope scope(context); 64 65 v8::Handle<v8::Value> argv[] = { 66 toV8(transaction), 67 toV8(error) 68 }; 69 70 // Protect the frame until the callback returns. 71 RefPtr<Frame> protector(m_frame); 72 73 bool callbackReturnValue = false; 74 // Step 6: If the error callback returns false, then move on to the next 75 // statement, if any, or onto the next overall step otherwise. Otherwise, 76 // the error callback did not return false, or there was no error callback. 77 // Jump to the last step in the overall steps. 78 return invokeCallback(m_callback, 2, argv, callbackReturnValue) || callbackReturnValue; 79 } 80 81 } // namespace WebCore 82 83 #endif 84 85