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 "bindings/modules/v8/V8SQLError.h" 34 #include "bindings/modules/v8/V8SQLStatementErrorCallback.h" 35 #include "bindings/modules/v8/V8SQLTransaction.h" 36 #include "bindings/v8/ScriptController.h" 37 #include "core/dom/ExecutionContext.h" 38 #include "wtf/Assertions.h" 39 40 namespace WebCore { 41 42 bool V8SQLStatementErrorCallback::handleEvent(SQLTransaction* transaction, SQLError* error) 43 { 44 if (!canInvokeCallback()) 45 return true; 46 47 v8::Isolate* isolate = m_scriptState->isolate(); 48 if (m_scriptState->contextIsEmpty()) 49 return true; 50 51 ScriptState::Scope scope(m_scriptState.get()); 52 53 v8::Handle<v8::Value> transactionHandle = toV8(transaction, m_scriptState->context()->Global(), isolate); 54 v8::Handle<v8::Value> errorHandle = toV8(error, m_scriptState->context()->Global(), isolate); 55 if (transactionHandle.IsEmpty() || errorHandle.IsEmpty()) { 56 if (!isScriptControllerTerminating()) 57 CRASH(); 58 return true; 59 } 60 61 ASSERT(transactionHandle->IsObject()); 62 63 v8::Handle<v8::Value> argv[] = { 64 transactionHandle, 65 errorHandle 66 }; 67 68 v8::TryCatch exceptionCatcher; 69 exceptionCatcher.SetVerbose(true); 70 71 v8::Handle<v8::Value> result = ScriptController::callFunction(executionContext(), m_callback.newLocal(isolate), m_scriptState->context()->Global(), WTF_ARRAY_LENGTH(argv), argv, isolate); 72 73 // FIXME: This comment doesn't make much sense given what the code is actually doing. 74 // 75 // Step 6: If the error callback returns false, then move on to the next 76 // statement, if any, or onto the next overall step otherwise. Otherwise, 77 // the error callback did not return false, or there was no error callback. 78 // Jump to the last step in the overall steps. 79 return exceptionCatcher.HasCaught() || (!result.IsEmpty() && result->BooleanValue()); 80 } 81 82 } // namespace WebCore 83