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 #include "V8Database.h" 35 36 #include "Database.h" 37 #include "V8Binding.h" 38 #include "V8CustomSQLTransactionCallback.h" 39 #include "V8CustomSQLTransactionErrorCallback.h" 40 #include "V8CustomVoidCallback.h" 41 #include "V8Proxy.h" 42 43 namespace WebCore { 44 45 v8::Handle<v8::Value> V8Database::changeVersionCallback(const v8::Arguments& args) 46 { 47 INC_STATS("DOM.Database.changeVersion()"); 48 49 if (args.Length() < 2) 50 return throwError("The old and new version strings are required.", V8Proxy::SyntaxError); 51 52 if (!(args[0]->IsString() && args[1]->IsString())) 53 return throwError("The old and new versions must be strings."); 54 55 Database* database = V8Database::toNative(args.Holder()); 56 57 Frame* frame = V8Proxy::retrieveFrameForCurrentContext(); 58 if (!frame) 59 return v8::Undefined(); 60 61 RefPtr<V8CustomSQLTransactionCallback> callback; 62 if (args.Length() > 2) { 63 if (!args[2]->IsObject()) 64 return throwError("changeVersion transaction callback must be of valid type."); 65 66 callback = V8CustomSQLTransactionCallback::create(args[2], frame); 67 } 68 69 RefPtr<V8CustomSQLTransactionErrorCallback> errorCallback; 70 if (args.Length() > 3) { 71 if (!args[3]->IsObject()) 72 return throwError("changeVersion error callback must be of valid type."); 73 74 errorCallback = V8CustomSQLTransactionErrorCallback::create(args[3], frame); 75 } 76 77 RefPtr<V8CustomVoidCallback> successCallback; 78 if (args.Length() > 4) { 79 if (!args[4]->IsObject()) 80 return throwError("changeVersion success callback must be of valid type."); 81 82 successCallback = V8CustomVoidCallback::create(args[4], frame); 83 } 84 85 database->changeVersion(toWebCoreString(args[0]), toWebCoreString(args[1]), callback.release(), errorCallback.release(), successCallback.release()); 86 87 return v8::Undefined(); 88 } 89 90 static v8::Handle<v8::Value> createTransaction(const v8::Arguments& args, bool readOnly) 91 { 92 if (!args.Length()) 93 return throwError("Transaction callback is required.", V8Proxy::SyntaxError); 94 95 if (!args[0]->IsObject()) 96 return throwError("Transaction callback must be of valid type."); 97 98 Database* database = V8Database::toNative(args.Holder()); 99 100 Frame* frame = V8Proxy::retrieveFrameForCurrentContext(); 101 if (!frame) 102 return v8::Undefined(); 103 104 RefPtr<V8CustomSQLTransactionCallback> callback = V8CustomSQLTransactionCallback::create(args[0], frame); 105 106 RefPtr<V8CustomSQLTransactionErrorCallback> errorCallback; 107 if (args.Length() > 1) { 108 if (!args[1]->IsObject()) 109 return throwError("Transaction error callback must be of valid type."); 110 111 errorCallback = V8CustomSQLTransactionErrorCallback::create(args[1], frame); 112 } 113 114 RefPtr<V8CustomVoidCallback> successCallback; 115 if (args.Length() > 2) { 116 if (!args[2]->IsObject()) 117 return throwError("Transaction success callback must be of valid type."); 118 119 successCallback = V8CustomVoidCallback::create(args[2], frame); 120 } 121 122 database->transaction(callback.release(), errorCallback.release(), successCallback.release(), readOnly); 123 return v8::Undefined(); 124 } 125 126 v8::Handle<v8::Value> V8Database::transactionCallback(const v8::Arguments& args) 127 { 128 INC_STATS("DOM.Database.transaction()"); 129 return createTransaction(args, false); 130 } 131 132 v8::Handle<v8::Value> V8Database::readTransactionCallback(const v8::Arguments& args) 133 { 134 INC_STATS("DOM.Database.readTransaction()"); 135 return createTransaction(args, true); 136 } 137 138 } // namespace WebCore 139 140 #endif 141
