/*
 * 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.
 */

#import "config.h"
#import "WebURLSchemeHandlerCocoa.h"

#import "APIURLSchemeTask.h"
#import "WKFoundation.h"
#import "WKURLSchemeHandler.h"
#import "WKURLSchemeTaskInternal.h"
#import "WKWebViewInternal.h"
#import "WebURLSchemeTask.h"
#import <wtf/RunLoop.h>

namespace WebKit {
using namespace WebCore;

Ref<WebURLSchemeHandlerCocoa> WebURLSchemeHandlerCocoa::create(id <WKURLSchemeHandler> apiHandler)
{
    return adoptRef(*new WebURLSchemeHandlerCocoa(apiHandler));
}

WebURLSchemeHandlerCocoa::WebURLSchemeHandlerCocoa(id <WKURLSchemeHandler> apiHandler)
    : m_apiHandler(apiHandler)
{
}

void WebURLSchemeHandlerCocoa::platformStartTask(WebPageProxy& page, WebURLSchemeTask& task)
{
    auto result = m_apiTasks.add(task.identifier(), API::URLSchemeTask::create(task));
    ASSERT(result.isNewEntry);

    [m_apiHandler.get() webView:fromWebPageProxy(page) startURLSchemeTask:wrapper(result.iterator->value.get())];
}

void WebURLSchemeHandlerCocoa::platformStopTask(WebPageProxy& page, WebURLSchemeTask& task)
{
    auto iterator = m_apiTasks.find(task.identifier());
    if (iterator == m_apiTasks.end())
        return;

    [m_apiHandler.get() webView:fromWebPageProxy(page) stopURLSchemeTask:wrapper(iterator->value.get())];

    m_apiTasks.remove(iterator);
}

void WebURLSchemeHandlerCocoa::platformTaskCompleted(WebURLSchemeTask& task)
{
    // Release the last reference to this API task on the next spin of the runloop.
    RunLoop::main().dispatch([takenTask = m_apiTasks.take(task.identifier())] {
    });
}

} // namespace WebKit