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#include "core/timing/PerformanceNavigation.h"
33
34#include "core/frame/LocalFrame.h"
35#include "core/loader/DocumentLoader.h"
36#include "core/loader/FrameLoaderTypes.h"
37
38namespace blink {
39
40PerformanceNavigation::PerformanceNavigation(LocalFrame* frame)
41    : DOMWindowProperty(frame)
42{
43}
44
45unsigned short PerformanceNavigation::type() const
46{
47    if (!m_frame)
48        return TYPE_NAVIGATE;
49
50    DocumentLoader* documentLoader = m_frame->loader().documentLoader();
51    if (!documentLoader)
52        return TYPE_NAVIGATE;
53
54    blink::NavigationType navigationType = documentLoader->triggeringAction().type();
55    switch (navigationType) {
56    case NavigationTypeReload:
57        return TYPE_RELOAD;
58    case NavigationTypeBackForward:
59        return TYPE_BACK_FORWARD;
60    default:
61        return TYPE_NAVIGATE;
62    }
63}
64
65unsigned short PerformanceNavigation::redirectCount() const
66{
67    if (!m_frame)
68        return 0;
69
70    DocumentLoader* loader = m_frame->loader().documentLoader();
71    if (!loader)
72        return 0;
73
74    DocumentLoadTiming* timing = loader->timing();
75    if (timing->hasCrossOriginRedirect())
76        return 0;
77
78    return timing->redirectCount();
79}
80
81void PerformanceNavigation::trace(Visitor* visitor)
82{
83    DOMWindowProperty::trace(visitor);
84}
85
86} // namespace blink
87