1 /*
2 * Copyright (C) 2009 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 "web/BackForwardClientImpl.h"
33
34 #include "public/web/WebViewClient.h"
35 #include "web/WebViewImpl.h"
36
37 using namespace WebCore;
38
39 namespace blink {
40
BackForwardClientImpl(WebViewImpl * webView)41 BackForwardClientImpl::BackForwardClientImpl(WebViewImpl* webView)
42 : m_webView(webView)
43 {
44 }
45
~BackForwardClientImpl()46 BackForwardClientImpl::~BackForwardClientImpl()
47 {
48 }
49
backListCount()50 int BackForwardClientImpl::backListCount()
51 {
52 if (!m_webView->client())
53 return 0;
54
55 return m_webView->client()->historyBackListCount();
56 }
57
forwardListCount()58 int BackForwardClientImpl::forwardListCount()
59 {
60 if (!m_webView->client())
61 return 0;
62
63 return m_webView->client()->historyForwardListCount();
64 }
65
backForwardListCount()66 int BackForwardClientImpl::backForwardListCount()
67 {
68 if (!m_webView->client())
69 return 0;
70 return backListCount() + 1 + forwardListCount();
71 }
72
73
74 } // namespace blink
75