1/*
2 * Copyright (C) 2010 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 "V8WindowErrorHandler.h"
34
35#include "ErrorEvent.h"
36#include "V8Binding.h"
37
38namespace WebCore {
39
40V8WindowErrorHandler::V8WindowErrorHandler(v8::Local<v8::Object> listener, bool isInline, const WorldContextHandle& worldContext)
41    : V8EventListener(listener, isInline, worldContext)
42{
43}
44
45v8::Local<v8::Value> V8WindowErrorHandler::callListenerFunction(ScriptExecutionContext* context, v8::Handle<v8::Value> jsEvent, Event* event)
46{
47    if (!event->isErrorEvent())
48        return V8EventListener::callListenerFunction(context, jsEvent, event);
49
50    ErrorEvent* errorEvent = static_cast<ErrorEvent*>(event);
51    v8::Local<v8::Object> listener = getListenerObject(context);
52    v8::Local<v8::Value> returnValue;
53    if (!listener.IsEmpty() && listener->IsFunction()) {
54        v8::Local<v8::Function> callFunction = v8::Local<v8::Function>::Cast(listener);
55        v8::Local<v8::Object> thisValue = v8::Context::GetCurrent()->Global();
56        v8::Handle<v8::Value> parameters[3] = { v8String(errorEvent->message()), v8String(errorEvent->filename()), v8::Integer::New(errorEvent->lineno()) };
57        v8::TryCatch tryCatch;
58        tryCatch.SetVerbose(true);
59        returnValue = callFunction->Call(thisValue, 3, parameters);
60        if (!tryCatch.HasCaught() && !returnValue.IsEmpty() && returnValue->IsBoolean() && !returnValue->BooleanValue())
61            event->preventDefault();
62    }
63    return returnValue;
64}
65
66} // namespace WebCore
67