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WorkerNotificationClient.cpp
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WorkerNotificationClient.cpp
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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
<
JavaScriptCore/VMManager.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
(
WTF::move
(completionHandler));
postToMainThread
([protectedThis = Ref { *
this
}, notification =
WTF::move
(notification).
isolatedCopy
(), resources =
WTF::move
(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,
WTF::move
(notification),
WTF::move
(resources), [protectedThis =
WTF::move
(protectedThis), callbackID]()
mutable
{
protectedThis->
postToWorkerThread
([callbackID](
auto
& workerContext) {
if
(
auto
callback = workerContext.
takeNotificationCallback
(callbackID))
callback
();
});
});
});
return
true
;
}
void
WorkerNotificationClient::cancel
(NotificationData&& notification)
{
postToMainThread
([notification =
WTF::move
(notification).
isolatedCopy
()](
auto
* client,
auto
&)
mutable
{
if
(client)
client->
cancel
(
WTF::move
(notification));
});
}
void
WorkerNotificationClient::notificationObjectDestroyed
(NotificationData&& notification)
{
postToMainThread
([notification =
WTF::move
(notification).
isolatedCopy
()](
auto
* client,
auto
&)
mutable
{
if
(client)
client->
notificationObjectDestroyed
(
WTF::move
(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
();
});
{
JSC
::VMBlockingScope
blockingScope
(Ref { m_workerScope.
get
() }->
vm
());
semaphore.
wait
();
}
return
permission;
}
void
WorkerNotificationClient::postToMainThread
(Function<
void
(NotificationClient*, ScriptExecutionContext& context)>&& task)
{
Ref { m_workerScope.
get
() }->
thread
()->
workerLoaderProxy
()->
postTaskToLoader
([task =
WTF::move
(task)](
auto
& context)
mutable
{
task
(context.
notificationClient
(), context);
});
}
void
WorkerNotificationClient::postToWorkerThread
(Function<
void
(ScriptExecutionContext&)>&& task)
{
ScriptExecutionContext::postTaskTo
(m_workerScopeIdentifier,
WTF::move
(task));
}
}
//
namespace WebCore
#
endif
//
ENABLE(NOTIFICATIONS)
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