WebKit merge 40668:40722 part 1.

third_party/WebKit/WebCore/bindings/v8/custom/V8DatabaseCustom.cpp

+/*
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include "v8_binding.h"
+#include "v8_custom.h"
+#include "v8_proxy.h"
+
+#include "Database.h"
+#include "V8CustomSQLTransactionCallback.h"
+#include "V8CustomSQLTransactionErrorCallback.h"
+#include "V8CustomVoidCallback.h"
+
+namespace WebCore {
+
+CALLBACK_FUNC_DECL(DatabaseChangeVersion)
+{
+    INC_STATS("DOM.Database.changeVersion()");
+    return v8::Undefined();
+}
+
+CALLBACK_FUNC_DECL(DatabaseTransaction)
+{
+    INC_STATS("DOM.Database.transaction()");
+
+    if (args.Length() == 0) {
+        V8Proxy::ThrowError(V8Proxy::SYNTAX_ERROR, "Transaction callback is required.");
+        return v8::Undefined();
+    }
+
+    if (!args[0]->IsObject()) {
+        V8Proxy::ThrowError(V8Proxy::TYPE_ERROR, "Transaction callback must be of valid type.");
+        return v8::Undefined();
+    }
+
+    Database* database = V8Proxy::ToNativeObject<Database>(V8ClassIndex::DATABASE, args.Holder());
+
+    Frame* frame = V8Proxy::retrieveFrame();
+
+    RefPtr<V8CustomSQLTransactionCallback> callback = V8CustomSQLTransactionCallback::create(args[0], frame);
+
+    RefPtr<V8CustomSQLTransactionErrorCallback> errorCallback;
+    if (args.Length() > 1) {
+        if (!args[1]->IsObject()) {
+            V8Proxy::ThrowError(V8Proxy::TYPE_ERROR, "Transaction error callback must be of valid type.");
+            return v8::Undefined();
+        }
+        errorCallback = V8CustomSQLTransactionErrorCallback::create(args[1], frame);
+    }
+
+    RefPtr<V8CustomVoidCallback> successCallback;
+    if (args.Length() > 2) {
+        if (!args[1]->IsObject()) {
+            V8Proxy::ThrowError(V8Proxy::TYPE_ERROR, "Transaction success callback must be of valid type.");
+            return v8::Undefined();
+        }
+        successCallback = V8CustomVoidCallback::create(args[2], frame);
+    }
+
+    database->transaction(callback.release(), errorCallback.release(), successCallback.release());
+
+    return v8::Undefined();
+}
+
+} // namespace WebCore