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/*
* Copyright (C) 2022 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 "WorkerNotificationClient.h"
#if ENABLE(NOTIFICATIONS)
#include "NotificationData.h"
#include "NotificationResources.h"
#include "WorkerGlobalScope.h"
#include "WorkerLoaderProxy.h"
#include "WorkerThread.h"
#include <wtf/threads/BinarySemaphore.h>
namespace WebCore {
Ref<WorkerNotificationClient> WorkerNotificationClient::create(WorkerGlobalScope& workerScope)
{
return adoptRef(*new WorkerNotificationClient(workerScope));
}
WorkerNotificationClient::WorkerNotificationClient(WorkerGlobalScope& workerScope)
: m_workerScopeIdentifier(workerScope.identifier())
, m_workerScope(workerScope)
{
}
bool WorkerNotificationClient::show(ScriptExecutionContext& workerContext, NotificationData&& notification, RefPtr<NotificationResources>&& resources, CompletionHandler<void()>&& completionHandler)
{
auto callbackID = workerContext.addNotificationCallback(WTFMove(completionHandler));
postToMainThread([protectedThis = Ref { *this }, notification = WTFMove(notification).isolatedCopy(), resources = WTFMove(resources), callbackID](auto* client, auto& context) mutable {
if (!client) {
protectedThis->postToWorkerThread([callbackID](auto& workerContext) {
if (auto callback = workerContext.takeNotificationCallback(callbackID))
callback();
});
return;
}
client->show(context, WTFMove(notification), WTFMove(resources), [protectedThis = WTFMove(protectedThis), callbackID]() mutable {
protectedThis->postToWorkerThread([callbackID](auto& workerContext) {
if (auto callback = workerContext.takeNotificationCallback(callbackID))
callback();
});
});
});
return true;
}
void WorkerNotificationClient::cancel(NotificationData&& notification)
{
postToMainThread([notification = WTFMove(notification).isolatedCopy()](auto* client, auto&) mutable {
if (client)
client->cancel(WTFMove(notification));
});
}
void WorkerNotificationClient::notificationObjectDestroyed(NotificationData&& notification)
{
postToMainThread([notification = WTFMove(notification).isolatedCopy()](auto* client, auto&) mutable {
if (client)
client->notificationObjectDestroyed(WTFMove(notification));
});
}
void WorkerNotificationClient::notificationControllerDestroyed()
{
}
void WorkerNotificationClient::requestPermission(ScriptExecutionContext&, PermissionHandler&& completionHandler)
{
// Workers cannot request permission at the moment.
ASSERT_NOT_REACHED();
completionHandler(Permission::Default);
}
auto WorkerNotificationClient::checkPermission(ScriptExecutionContext*) -> Permission
{
Permission permission { Permission::Default };
BinarySemaphore semaphore;
postToMainThread([&permission, &semaphore](auto* client, auto& context) {
if (client)
permission = client->checkPermission(&context);
semaphore.signal();
});
semaphore.wait();
return permission;
}
void WorkerNotificationClient::postToMainThread(Function<void(NotificationClient*, ScriptExecutionContext& context)>&& task)
{
m_workerScope.thread().workerLoaderProxy()->postTaskToLoader([task = WTFMove(task)](auto& context) mutable {
task(context.notificationClient(), context);
});
}
void WorkerNotificationClient::postToWorkerThread(Function<void(ScriptExecutionContext&)>&& task)
{
ScriptExecutionContext::postTaskTo(m_workerScopeIdentifier, WTFMove(task));
}
} // namespace WebCore
#endif // ENABLE(NOTIFICATIONS)
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