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
36namespace WebCore {
37
38#ifndef BUILDING_ON_TIGER
39static 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
48static 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
58void 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
71void 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