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 "V8CustomSQLTransactionCallback.h" 36 37 #include "Frame.h" 38 #include "V8CustomVoidCallback.h" 39 #include "V8SQLTransaction.h" 40 41 namespace WebCore { 42 43 V8CustomSQLTransactionCallback::V8CustomSQLTransactionCallback(v8::Local<v8::Object> callback, Frame* frame) 44 : m_callback(v8::Persistent<v8::Object>::New(callback)) 45 , m_frame(frame) 46 { 47 } 48 49 V8CustomSQLTransactionCallback::~V8CustomSQLTransactionCallback() 50 { 51 m_callback.Dispose(); 52 } 53 54 55 void V8CustomSQLTransactionCallback::handleEvent(SQLTransaction* transaction, bool& raisedException) 56 { 57 v8::HandleScope handleScope; 58 59 v8::Handle<v8::Context> context = V8Proxy::context(m_frame.get()); 60 if (context.IsEmpty()) 61 return; 62 63 v8::Context::Scope scope(context); 64 65 v8::Handle<v8::Value> argv[] = { 66 toV8(transaction) 67 }; 68 69 // Protect the frame until the callback returns. 70 RefPtr<Frame> protector(m_frame); 71 72 // Step 5: If the callback couldn't be called (e.g. it was null) or if 73 // the callback was invoked and raised an exception, jump to the last 74 // step (rollback transaction). 75 bool callbackReturnValue = false; 76 raisedException = invokeCallback(m_callback, 1, argv, callbackReturnValue); 77 } 78 79 } // namespace WebCore 80 81 #endif 82 83
