| /* |
| * Copyright (C) 2012 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 "DownloadProxyMap.h" |
| |
| #include "AuxiliaryProcessProxy.h" |
| #include "DownloadProxy.h" |
| #include "DownloadProxyMessages.h" |
| #include "Logging.h" |
| #include "MessageReceiverMap.h" |
| #include "NetworkProcessMessages.h" |
| #include "NetworkProcessProxy.h" |
| #include "ProcessAssertion.h" |
| #include "WebProcessPool.h" |
| #include <wtf/StdLibExtras.h> |
| |
| #if PLATFORM(COCOA) |
| #include <wtf/cocoa/Entitlements.h> |
| #endif |
| |
| namespace WebKit { |
| |
| DownloadProxyMap::DownloadProxyMap(NetworkProcessProxy& process) |
| : m_process(makeWeakPtr(process)) |
| #if PLATFORM(COCOA) |
| , m_shouldTakeAssertion(WTF::processHasEntitlement("com.apple.multitasking.systemappassertions")) |
| #endif |
| { |
| platformCreate(); |
| } |
| |
| DownloadProxyMap::~DownloadProxyMap() |
| { |
| ASSERT(m_downloads.isEmpty()); |
| platformDestroy(); |
| } |
| |
| #if !PLATFORM(COCOA) |
| void DownloadProxyMap::platformCreate() |
| { |
| } |
| |
| void DownloadProxyMap::platformDestroy() |
| { |
| } |
| #endif |
| |
| void DownloadProxyMap::applicationDidEnterBackground() |
| { |
| if (m_process) |
| m_process->send(Messages::NetworkProcess::ApplicationDidEnterBackground(), 0); |
| } |
| |
| void DownloadProxyMap::applicationWillEnterForeground() |
| { |
| if (m_process) |
| m_process->send(Messages::NetworkProcess::ApplicationWillEnterForeground(), 0); |
| } |
| |
| DownloadProxy& DownloadProxyMap::createDownloadProxy(WebsiteDataStore& dataStore, WebProcessPool& processPool, const WebCore::ResourceRequest& resourceRequest, const FrameInfoData& frameInfo, WebPageProxy* originatingPage) |
| { |
| auto downloadProxy = DownloadProxy::create(*this, dataStore, processPool, resourceRequest, frameInfo, originatingPage); |
| m_downloads.set(downloadProxy->downloadID(), downloadProxy.copyRef()); |
| |
| RELEASE_LOG(Loading, "Adding download %" PRIu64 " to UIProcess DownloadProxyMap", downloadProxy->downloadID().downloadID()); |
| |
| if (m_downloads.size() == 1 && m_shouldTakeAssertion) { |
| ASSERT(!m_downloadUIAssertion); |
| m_downloadUIAssertion = makeUnique<ProcessAssertion>(getCurrentProcessID(), "WebKit downloads"_s, ProcessAssertionType::UnboundedNetworking); |
| |
| ASSERT(!m_downloadNetworkingAssertion); |
| RELEASE_ASSERT(m_process); |
| m_downloadNetworkingAssertion = makeUnique<ProcessAssertion>(m_process->processIdentifier(), "WebKit downloads"_s, ProcessAssertionType::UnboundedNetworking); |
| |
| RELEASE_LOG(ProcessSuspension, "UIProcess took 'WebKit downloads' assertions for UIProcess and NetworkProcess"); |
| } |
| |
| m_process->addMessageReceiver(Messages::DownloadProxy::messageReceiverName(), downloadProxy->downloadID().downloadID(), downloadProxy.get()); |
| |
| return downloadProxy; |
| } |
| |
| void DownloadProxyMap::downloadFinished(DownloadProxy& downloadProxy) |
| { |
| auto downloadID = downloadProxy.downloadID(); |
| |
| RELEASE_LOG(Loading, "Removing download %" PRIu64 " from UIProcess DownloadProxyMap", downloadID.downloadID()); |
| |
| // The DownloadProxy may be holding the last reference to the process pool. |
| auto protectedProcessPool = makeRefPtr(m_process->processPool()); |
| |
| ASSERT(m_downloads.contains(downloadID)); |
| |
| m_process->removeMessageReceiver(Messages::DownloadProxy::messageReceiverName(), downloadID.downloadID()); |
| downloadProxy.invalidate(); |
| m_downloads.remove(downloadID); |
| |
| if (m_downloads.isEmpty() && m_shouldTakeAssertion) { |
| ASSERT(m_downloadUIAssertion); |
| ASSERT(m_downloadNetworkingAssertion); |
| m_downloadUIAssertion = nullptr; |
| m_downloadNetworkingAssertion = nullptr; |
| RELEASE_LOG(ProcessSuspension, "UIProcess released 'WebKit downloads' assertions for UIProcess and NetworkProcess"); |
| } |
| } |
| |
| void DownloadProxyMap::invalidate() |
| { |
| // Invalidate all outstanding downloads. |
| for (const auto& download : m_downloads.values()) { |
| download->processDidClose(); |
| download->invalidate(); |
| m_process->removeMessageReceiver(Messages::DownloadProxy::messageReceiverName(), download->downloadID().downloadID()); |
| } |
| |
| m_downloads.clear(); |
| m_downloadUIAssertion = nullptr; |
| m_downloadNetworkingAssertion = nullptr; |
| RELEASE_LOG(ProcessSuspension, "UIProcess DownloadProxyMap invalidated - Released 'WebKit downloads' assertions for UIProcess and NetworkProcess"); |
| |
| m_process = nullptr; |
| } |
| |
| } // namespace WebKit |