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/*
* Copyright (C) 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "WebProcessLifetimeTracker.h"
#include "WebProcessLifetimeObserver.h"
#include "WebProcessProxy.h"
namespace WebKit {
WebProcessLifetimeTracker::WebProcessLifetimeTracker(WebPageProxy& webPageProxy)
: m_webPageProxy(webPageProxy)
{
}
WebProcessLifetimeTracker::~WebProcessLifetimeTracker()
{
}
void WebProcessLifetimeTracker::addObserver(WebProcessLifetimeObserver& observer)
{
ASSERT(!m_observers.contains(&observer));
m_observers.add(&observer);
observer.webPageWasAdded(m_webPageProxy);
if (processIsRunning())
observer.addWebPage(m_webPageProxy);
}
void WebProcessLifetimeTracker::connectionWillOpen(IPC::Connection&)
{
ASSERT(processIsRunning());
for (auto& observer : m_observers)
observer->addWebPage(m_webPageProxy);
}
void WebProcessLifetimeTracker::webProcessWillShutDown()
{
ASSERT(processIsRunning());
for (auto& observer : m_observers)
observer->removeWebPage(m_webPageProxy);
}
void WebProcessLifetimeTracker::pageWasInvalidated()
{
if (!processIsRunning())
return;
for (auto& observer : m_observers) {
observer->removeWebPage(m_webPageProxy);
observer->webPageWasRemoved(m_webPageProxy);
}
}
bool WebProcessLifetimeTracker::processIsRunning()
{
return m_webPageProxy.process().state() == WebProcessProxy::State::Running;
}
}
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