WebProcessLifetimeObserver.cpp   [plain text]


/*
 * Copyright (C) 2015 Apple Inc. All rights reserved.
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 *
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#include "config.h"
#include "WebProcessLifetimeObserver.h"

#include "WebPageProxy.h"
#include "WebProcessProxy.h"

namespace WebKit {

WebProcessLifetimeObserver::WebProcessLifetimeObserver()
{
}

WebProcessLifetimeObserver::~WebProcessLifetimeObserver()
{
}

void WebProcessLifetimeObserver::addWebPage(WebPageProxy& webPageProxy)
{
    auto& process = webPageProxy.process();

    ASSERT(process.state() == WebProcessProxy::State::Running);

    if (m_processes.add(&process).isNewEntry)
        webProcessWillOpenConnection(process, *process.connection());

    webPageWillOpenConnection(webPageProxy, *process.connection());
}

void WebProcessLifetimeObserver::removeWebPage(WebPageProxy& webPageProxy)
{
    auto& process = webPageProxy.process();

    // FIXME: This should assert that the page is either closed or that the process is no longer running,
    // but we have to make sure that removeWebPage is called after the connection has been removed in that case.
    ASSERT(m_processes.contains(&process));

    webPageDidCloseConnection(webPageProxy, *process.connection());

    if (m_processes.remove(&process))
        webProcessDidCloseConnection(process, *process.connection());
}

WTF::IteratorRange<HashCountedSet<WebProcessProxy*>::const_iterator::Keys> WebProcessLifetimeObserver::processes() const
{
    ASSERT(std::all_of(m_processes.begin().keys(), m_processes.end().keys(), [](WebProcessProxy* process) {
        return process->state() == WebProcessProxy::State::Running;
    }));

    return makeIteratorRange(m_processes.begin().keys(), m_processes.end().keys());
}

}