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
38 namespace blink {
39
PerformanceNavigation(LocalFrame * frame)40 PerformanceNavigation::PerformanceNavigation(LocalFrame* frame)
41 : DOMWindowProperty(frame)
42 {
43 }
44
type() const45 unsigned 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
redirectCount() const65 unsigned 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
trace(Visitor * visitor)81 void PerformanceNavigation::trace(Visitor* visitor)
82 {
83 DOMWindowProperty::trace(visitor);
84 }
85
86 } // namespace blink
87