PluginProcess.cpp revision 65f03d4f644ce73618e5f4f50dd694b26f55ae12 
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#if ENABLE(PLUGIN_PROCESS)
27
28#include "PluginProcess.h"
29
30#include "MachPort.h"
31#include "NetscapePluginModule.h"
32#include "PluginProcessProxyMessages.h"
33#include "PluginProcessCreationParameters.h"
34#include "WebProcessConnection.h"
35
36namespace WebKit {
37
38static const double shutdownTimeout = 15.0;
39
40PluginProcess& PluginProcess::shared()
41{
42    DEFINE_STATIC_LOCAL(PluginProcess, pluginProcess, ());
43    return pluginProcess;
44}
45
46PluginProcess::PluginProcess()
47    : m_shutdownTimer(RunLoop::main(), this, &PluginProcess::shutdownTimerFired)
48#if USE(ACCELERATED_COMPOSITING) && PLATFORM(MAC)
49    , m_compositingRenderServerPort(MACH_PORT_NULL)
50#endif
51{
52}
53
54PluginProcess::~PluginProcess()
55{
56}
57
58void PluginProcess::initializeConnection(CoreIPC::Connection::Identifier serverIdentifier)
59{
60    ASSERT(!m_connection);
61
62    m_connection = CoreIPC::Connection::createClientConnection(serverIdentifier, this, RunLoop::main());
63    m_connection->open();
64}
65
66void PluginProcess::removeWebProcessConnection(WebProcessConnection* webProcessConnection)
67{
68    size_t vectorIndex = m_webProcessConnections.find(webProcessConnection);
69    ASSERT(vectorIndex != notFound);
70
71    m_webProcessConnections.remove(vectorIndex);
72
73    if (m_webProcessConnections.isEmpty()) {
74        // Start the shutdown timer.
75        m_shutdownTimer.startOneShot(shutdownTimeout);
76    }
77}
78
79NetscapePluginModule* PluginProcess::netscapePluginModule()
80{
81    if (!m_pluginModule) {
82        ASSERT(!m_pluginPath.isNull());
83        m_pluginModule = NetscapePluginModule::getOrCreate(m_pluginPath);
84
85#if PLATFORM(MAC)
86        if (m_pluginModule) {
87            if (m_pluginModule->pluginQuirks().contains(PluginQuirks::PrognameShouldBeWebKitPluginHost))
88                setprogname("WebKitPluginHost");
89        }
90#endif
91    }
92
93    return m_pluginModule.get();
94}
95
96void PluginProcess::didReceiveMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::ArgumentDecoder* arguments)
97{
98    didReceivePluginProcessMessage(connection, messageID, arguments);
99}
100
101void PluginProcess::didClose(CoreIPC::Connection*)
102{
103    // The UI process has crashed, just go ahead and quit.
104    // FIXME: If the plug-in is spinning in the main loop, we'll never get this message.
105    RunLoop::current()->stop();
106}
107
108void PluginProcess::didReceiveInvalidMessage(CoreIPC::Connection*, CoreIPC::MessageID)
109{
110}
111
112void PluginProcess::initialize(const PluginProcessCreationParameters& parameters)
113{
114    ASSERT(!m_pluginModule);
115
116    m_pluginPath = parameters.pluginPath;
117
118#if USE(ACCELERATED_COMPOSITING) && PLATFORM(MAC)
119    m_compositingRenderServerPort = parameters.acceleratedCompositingPort.port();
120#endif
121}
122
123void PluginProcess::createWebProcessConnection()
124{
125    // FIXME: This is platform specific!
126
127    // Create the listening port.
128    mach_port_t listeningPort;
129    mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &listeningPort);
130
131    // Create a listening connection.
132    RefPtr<WebProcessConnection> connection = WebProcessConnection::create(listeningPort);
133    m_webProcessConnections.append(connection.release());
134
135    CoreIPC::MachPort clientPort(listeningPort, MACH_MSG_TYPE_MAKE_SEND);
136    m_connection->send(Messages::PluginProcessProxy::DidCreateWebProcessConnection(clientPort), 0);
137
138    // Stop the shutdown timer.
139    m_shutdownTimer.stop();
140}
141
142void PluginProcess::shutdownTimerFired()
143{
144    RunLoop::current()->stop();
145}
146
147} // namespace WebKit
148
149#endif // ENABLE(PLUGIN_PROCESS)
150
151