Add Custom V8 bindings for HTML5 Database.

webkit/port/bindings/v8/V8CustomSQLTransactionErrorCallback.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 "V8CustomSQLTransactionErrorCallback.h"
+
+#include "Frame.h"
+#include "V8CustomVoidCallback.h"
+
+namespace WebCore {
+
+V8CustomSQLTransactionErrorCallback::V8CustomSQLTransactionErrorCallback(v8::Local<v8::Object> callback, Frame* frame)
+    : m_callback(v8::Persistent<v8::Object>::New(callback))
+    , m_frame(frame)
+{
+}
+
+V8CustomSQLTransactionErrorCallback::~V8CustomSQLTransactionErrorCallback()
+{
+    m_callback.Dispose();
+}
+
+bool V8CustomSQLTransactionErrorCallback::handleEvent(SQLError* error)
+{
+    v8::HandleScope handleScope;
+
+    v8::Handle<v8::Context> context = V8Proxy::GetContext(m_frame.get());
+    if (context.IsEmpty())
+        return true;
+
+    v8::Context::Scope scope(context);
+
+    v8::Handle<v8::Value> argv[] = {
+        V8Proxy::ToV8Object(V8ClassIndex::SQLERROR, error)
+    };
+
+    // Protect the frame until the callback returns.
+    RefPtr<Frame> protector(m_frame);
+
+    bool callbackReturnValue = false;
+    invokeCallback(m_callback, 1, argv, callbackReturnValue);
+
+    // FIXME: Eliminate return value once SQLTransactionErrorCallback is changed
+    // to match the spec.
+    return true;
+}
+
+} // namespace WebCore