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1 /*
2  * Copyright (C) 2008 Apple 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
6  * are met:
7  *
8  * 1.  Redistributions of source code must retain the above copyright
9  *     notice, this list of conditions and the following disclaimer.
10  * 2.  Redistributions in binary form must reproduce the above copyright
11  *     notice, this list of conditions and the following disclaimer in the
12  *     documentation and/or other materials provided with the distribution.
13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14  *     its contributors may be used to endorse or promote products derived
15  *     from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include "config.h"
30 #include "DocumentLoader.h"
31 #include "MainResourceLoader.h"
32 #include "ResourceHandle.h"
33 #include "ResourceLoader.h"
34 #include <wtf/UnusedParam.h>
35 
36 namespace WebCore {
37 
38 #ifndef BUILDING_ON_TIGER
scheduleAll(const ResourceLoaderSet & loaders,SchedulePair * pair)39 static void scheduleAll(const ResourceLoaderSet& loaders, SchedulePair* pair)
40 {
41     const ResourceLoaderSet copy = loaders;
42     ResourceLoaderSet::const_iterator end = copy.end();
43     for (ResourceLoaderSet::const_iterator it = copy.begin(); it != end; ++it)
44         if (ResourceHandle* handle = (*it)->handle())
45             handle->schedule(pair);
46 }
47 
unscheduleAll(const ResourceLoaderSet & loaders,SchedulePair * pair)48 static void unscheduleAll(const ResourceLoaderSet& loaders, SchedulePair* pair)
49 {
50     const ResourceLoaderSet copy = loaders;
51     ResourceLoaderSet::const_iterator end = copy.end();
52     for (ResourceLoaderSet::const_iterator it = copy.begin(); it != end; ++it)
53         if (ResourceHandle* handle = (*it)->handle())
54             handle->unschedule(pair);
55 }
56 #endif
57 
schedule(SchedulePair * pair)58 void DocumentLoader::schedule(SchedulePair* pair)
59 {
60 #ifndef BUILDING_ON_TIGER
61     if (m_mainResourceLoader && m_mainResourceLoader->handle())
62         m_mainResourceLoader->handle()->schedule(pair);
63     scheduleAll(m_subresourceLoaders, pair);
64     scheduleAll(m_plugInStreamLoaders, pair);
65     scheduleAll(m_multipartSubresourceLoaders, pair);
66 #else
67     UNUSED_PARAM(pair);
68 #endif
69 }
70 
unschedule(SchedulePair * pair)71 void DocumentLoader::unschedule(SchedulePair* pair)
72 {
73 #ifndef BUILDING_ON_TIGER
74     if (m_mainResourceLoader && m_mainResourceLoader->handle())
75         m_mainResourceLoader->handle()->unschedule(pair);
76     unscheduleAll(m_subresourceLoaders, pair);
77     unscheduleAll(m_plugInStreamLoaders, pair);
78     unscheduleAll(m_multipartSubresourceLoaders, pair);
79 #else
80     UNUSED_PARAM(pair);
81 #endif
82 }
83 
84 } // namespace
85