1/*
2 * Copyright (C) 2010 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 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "PluginProcessConnectionManager.h"
28
29#if ENABLE(PLUGIN_PROCESS)
30
31#include "ArgumentDecoder.h"
32#include "ArgumentEncoder.h"
33#include "PluginProcessConnection.h"
34#include "WebCoreArgumentCoders.h"
35#include "WebProcess.h"
36#include "WebProcessProxyMessages.h"
37#include <wtf/StdLibExtras.h>
38
39#if PLATFORM(MAC)
40#include "MachPort.h"
41#endif
42
43namespace WebKit {
44
45PluginProcessConnectionManager& PluginProcessConnectionManager::shared()
46{
47    DEFINE_STATIC_LOCAL(PluginProcessConnectionManager, pluginProcessConnectionManager, ());
48    return pluginProcessConnectionManager;
49}
50
51PluginProcessConnectionManager::PluginProcessConnectionManager()
52{
53}
54
55PluginProcessConnectionManager::~PluginProcessConnectionManager()
56{
57}
58
59PluginProcessConnection* PluginProcessConnectionManager::getPluginProcessConnection(const String& pluginPath)
60{
61    for (size_t i = 0; i < m_pluginProcessConnections.size(); ++i) {
62        if (m_pluginProcessConnections[i]->pluginPath() == pluginPath)
63            return m_pluginProcessConnections[i].get();
64    }
65
66    CoreIPC::Connection::Identifier connectionIdentifier;
67#if PLATFORM(MAC)
68    CoreIPC::MachPort connectionMachPort;
69
70    if (!WebProcess::shared().connection()->sendSync(Messages::WebProcessProxy::GetPluginProcessConnection(pluginPath), Messages::WebProcessProxy::GetPluginProcessConnection::Reply(connectionMachPort), 0))
71        return 0;
72
73    connectionIdentifier = connectionMachPort.port();
74#else
75    // FIXME: Implement.
76    connectionIdentifier = 0;
77    ASSERT_NOT_REACHED();
78#endif
79    if (!connectionIdentifier)
80        return 0;
81
82    RefPtr<PluginProcessConnection> pluginProcessConnection = PluginProcessConnection::create(this, pluginPath, connectionIdentifier);
83    m_pluginProcessConnections.append(pluginProcessConnection);
84
85    return pluginProcessConnection.get();
86}
87
88void PluginProcessConnectionManager::removePluginProcessConnection(PluginProcessConnection* pluginProcessConnection)
89{
90    size_t vectorIndex = m_pluginProcessConnections.find(pluginProcessConnection);
91    ASSERT(vectorIndex != notFound);
92
93    m_pluginProcessConnections.remove(vectorIndex);
94}
95
96} // namespace WebKit
97
98#endif // ENABLE(PLUGIN_PROCESS)
99