1 /* 2 * Copyright (c) 2009, 2012 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 #include "V8SQLStatementErrorCallback.h" 34 35 #include "V8SQLError.h" 36 #include "V8SQLTransaction.h" 37 #include "bindings/v8/V8Callback.h" 38 #include "core/dom/ScriptExecutionContext.h" 39 #include "wtf/Assertions.h" 40 41 namespace WebCore { 42 43 bool V8SQLStatementErrorCallback::handleEvent(SQLTransaction* transaction, SQLError* error) 44 { 45 if (!canInvokeCallback()) 46 return true; 47 48 v8::Isolate* isolate = v8::Isolate::GetCurrent(); 49 v8::HandleScope handleScope(isolate); 50 51 v8::Handle<v8::Context> v8Context = toV8Context(scriptExecutionContext(), m_world.get()); 52 if (v8Context.IsEmpty()) 53 return true; 54 55 v8::Context::Scope scope(v8Context); 56 57 v8::Handle<v8::Value> transactionHandle = toV8(transaction, v8::Handle<v8::Object>(), v8Context->GetIsolate()); 58 v8::Handle<v8::Value> errorHandle = toV8(error, v8::Handle<v8::Object>(), isolate); 59 if (transactionHandle.IsEmpty() || errorHandle.IsEmpty()) { 60 if (!isScriptControllerTerminating()) 61 CRASH(); 62 return true; 63 } 64 65 v8::Handle<v8::Value> argv[] = { 66 transactionHandle, 67 errorHandle 68 }; 69 70 bool callbackReturnValue = false; 71 // Step 6: If the error callback returns false, then move on to the next 72 // statement, if any, or onto the next overall step otherwise. Otherwise, 73 // the error callback did not return false, or there was no error callback. 74 // Jump to the last step in the overall steps. 75 return invokeCallback(m_callback.newLocal(isolate), 2, argv, callbackReturnValue, scriptExecutionContext()) || callbackReturnValue; 76 } 77 78 } // namespace WebCore 79