1/*
2 * Copyright (C) 2015 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 "WebProcessLifetimeObserver.h"
28
29#include "Logging.h"
30#include "WebPageProxy.h"
31#include "WebProcessProxy.h"
32
33namespace WebKit {
34
35WebProcessLifetimeObserver::WebProcessLifetimeObserver()
36{
37}
38
39WebProcessLifetimeObserver::~WebProcessLifetimeObserver()
40{
41}
42
43void WebProcessLifetimeObserver::addWebPage(WebPageProxy& webPageProxy, WebProcessProxy& process)
44{
45 ASSERT(process.state() == WebProcessProxy::State::Running);
46 RELEASE_ASSERT(!process.isInProcessCache());
47 RELEASE_ASSERT(!process.isPrewarmed());
48
49 if (m_processes.add(&process).isNewEntry) {
50 RELEASE_LOG(Loading, "%p - WebProcessLifetimeObserver::addWebPage: webPID = %i, pageID = %" PRIu64, this, process.processIdentifier(), webPageProxy.pageID());
51 webProcessWillOpenConnection(process, *process.connection());
52 }
53
54 webPageWillOpenConnection(webPageProxy, *process.connection());
55}
56
57void WebProcessLifetimeObserver::removeWebPage(WebPageProxy& webPageProxy, WebProcessProxy& process)
58{
59 // FIXME: This should assert that the page is either closed or that the process is no longer running,
60 // but we have to make sure that removeWebPage is called after the connection has been removed in that case.
61 ASSERT(m_processes.contains(&process));
62
63 webPageDidCloseConnection(webPageProxy, *process.connection());
64
65 if (m_processes.remove(&process)) {
66 RELEASE_LOG(Loading, "%p - WebProcessLifetimeObserver::removeWebPage: webPID = %i, pageID = %" PRIu64, this, process.processIdentifier(), webPageProxy.pageID());
67 webProcessDidCloseConnection(process, *process.connection());
68 }
69}
70
71WTF::IteratorRange<HashCountedSet<WebProcessProxy*>::const_iterator::Keys> WebProcessLifetimeObserver::processes() const
72{
73 ASSERT(std::all_of(m_processes.begin().keys(), m_processes.end().keys(), [](WebProcessProxy* process) {
74 return process->state() == WebProcessProxy::State::Running;
75 }));
76
77 return makeIteratorRange(m_processes.begin().keys(), m_processes.end().keys());
78}
79
80}
81