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/*
* Copyright (C) 2017 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 "WebURLSchemeHandler.h"
#include "URLSchemeTaskParameters.h"
#include "WebPageProxy.h"
#include "WebURLSchemeTask.h"
namespace WebKit {
using namespace WebCore;
WebURLSchemeHandler::WebURLSchemeHandler()
: m_identifier(WebURLSchemeHandlerIdentifier::generate())
{
}
WebURLSchemeHandler::~WebURLSchemeHandler()
{
ASSERT(m_tasks.isEmpty());
}
void WebURLSchemeHandler::startTask(WebPageProxy& page, WebProcessProxy& process, PageIdentifier webPageID, URLSchemeTaskParameters&& parameters, SyncLoadCompletionHandler&& completionHandler)
{
auto taskIdentifier = parameters.taskIdentifier;
auto result = m_tasks.add({ taskIdentifier, page.identifier() }, WebURLSchemeTask::create(*this, page, process, webPageID, WTFMove(parameters), WTFMove(completionHandler)));
ASSERT(result.isNewEntry);
auto pageEntry = m_tasksByPageIdentifier.add(page.identifier(), HashSet<WebCore::ResourceLoaderIdentifier>());
ASSERT(!pageEntry.iterator->value.contains(taskIdentifier));
pageEntry.iterator->value.add(taskIdentifier);
platformStartTask(page, result.iterator->value);
}
WebProcessProxy* WebURLSchemeHandler::processForTaskIdentifier(WebPageProxy& page, WebCore::ResourceLoaderIdentifier taskIdentifier) const
{
auto key = std::make_pair(taskIdentifier, page.identifier());
if (!decltype(m_tasks)::isValidKey(key))
return nullptr;
auto iterator = m_tasks.find(key);
if (iterator == m_tasks.end())
return nullptr;
return iterator->value->process();
}
void WebURLSchemeHandler::stopAllTasksForPage(WebPageProxy& page, WebProcessProxy* process)
{
auto iterator = m_tasksByPageIdentifier.find(page.identifier());
if (iterator == m_tasksByPageIdentifier.end())
return;
auto& tasksByPage = iterator->value;
Vector<WebCore::ResourceLoaderIdentifier> taskIdentifiersToStop;
taskIdentifiersToStop.reserveInitialCapacity(tasksByPage.size());
for (auto taskIdentifier : tasksByPage) {
if (!process || processForTaskIdentifier(page, taskIdentifier) == process)
taskIdentifiersToStop.uncheckedAppend(taskIdentifier);
}
for (auto& taskIdentifier : taskIdentifiersToStop)
stopTask(page, taskIdentifier);
}
void WebURLSchemeHandler::stopTask(WebPageProxy& page, WebCore::ResourceLoaderIdentifier taskIdentifier)
{
auto key = std::make_pair(taskIdentifier, page.identifier());
if (!decltype(m_tasks)::isValidKey(key))
return;
auto iterator = m_tasks.find(key);
if (iterator == m_tasks.end())
return;
iterator->value->stop();
platformStopTask(page, iterator->value);
removeTaskFromPageMap(page.identifier(), taskIdentifier);
m_tasks.remove(iterator);
}
void WebURLSchemeHandler::taskCompleted(WebPageProxyIdentifier pageID, WebURLSchemeTask& task)
{
auto takenTask = m_tasks.take({ task.resourceLoaderID(), pageID });
ASSERT_UNUSED(takenTask, takenTask == &task);
removeTaskFromPageMap(task.pageProxyID(), task.resourceLoaderID());
platformTaskCompleted(task);
}
void WebURLSchemeHandler::removeTaskFromPageMap(WebPageProxyIdentifier pageID, WebCore::ResourceLoaderIdentifier taskID)
{
auto iterator = m_tasksByPageIdentifier.find(pageID);
ASSERT(iterator != m_tasksByPageIdentifier.end());
ASSERT(iterator->value.contains(taskID));
if (!decltype(iterator->value)::isValidValue(taskID))
return;
iterator->value.remove(taskID);
if (iterator->value.isEmpty())
m_tasksByPageIdentifier.remove(iterator);
}
} // namespace WebKit
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