| /* |
| * 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 "WebPageProxy.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(m_webPageProxy.process())) |
| observer.addWebPage(m_webPageProxy, m_webPageProxy.process()); |
| } |
| |
| void WebProcessLifetimeTracker::webPageEnteringWebProcess(WebProcessProxy& process) |
| { |
| ASSERT(processIsRunning(process)); |
| |
| for (auto& observer : m_observers) |
| observer->addWebPage(m_webPageProxy, process); |
| } |
| |
| void WebProcessLifetimeTracker::webPageLeavingWebProcess(WebProcessProxy& process) |
| { |
| ASSERT(processIsRunning(process)); |
| |
| for (auto& observer : m_observers) |
| observer->removeWebPage(m_webPageProxy, process); |
| } |
| |
| void WebProcessLifetimeTracker::pageWasInvalidated() |
| { |
| if (!processIsRunning(m_webPageProxy.process())) |
| return; |
| |
| for (auto& observer : m_observers) { |
| observer->removeWebPage(m_webPageProxy, m_webPageProxy.process()); |
| |
| observer->webPageWasInvalidated(m_webPageProxy); |
| } |
| } |
| |
| bool WebProcessLifetimeTracker::processIsRunning(WebProcessProxy& process) |
| { |
| return process.state() == WebProcessProxy::State::Running; |
| } |
| |
| } |