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/*
* Copyright (C) 2021, 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.
*/
#pragma once
#include "ClientOrigin.h"
#include "ProcessIdentifier.h"
#include "ScriptExecutionContextIdentifier.h"
#include "WebLockIdentifier.h"
#include "WebLockMode.h"
#include <pal/SessionID.h>
#include <wtf/Deque.h>
#include <wtf/HashMap.h>
#include <wtf/RefCounted.h>
#include <wtf/WeakPtr.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class Exception;
struct WebLockManagerSnapshot;
class WebLockRegistry : public RefCounted<WebLockRegistry> {
public:
static WebLockRegistry& shared();
WEBCORE_EXPORT static void setSharedRegistry(Ref<WebLockRegistry>&&);
virtual ~WebLockRegistry() { }
virtual void requestLock(PAL::SessionID, const ClientOrigin&, WebLockIdentifier, ScriptExecutionContextIdentifier, const String& name, WebLockMode, bool steal, bool ifAvailable, Function<void(bool)>&& grantedHandler, Function<void()>&& lockStolenHandler) = 0;
virtual void releaseLock(PAL::SessionID, const ClientOrigin&, WebLockIdentifier, ScriptExecutionContextIdentifier, const String& name) = 0;
virtual void abortLockRequest(PAL::SessionID, const ClientOrigin&, WebLockIdentifier, ScriptExecutionContextIdentifier, const String& name, CompletionHandler<void(bool)>&&) = 0;
virtual void snapshot(PAL::SessionID, const ClientOrigin&, CompletionHandler<void(WebLockManagerSnapshot&&)>&&) = 0;
virtual void clientIsGoingAway(PAL::SessionID, const ClientOrigin&, ScriptExecutionContextIdentifier) = 0;
protected:
WebLockRegistry() = default;
};
class LocalWebLockRegistry final : public WebLockRegistry, public CanMakeWeakPtr<LocalWebLockRegistry> {
public:
static Ref<LocalWebLockRegistry> create() { return adoptRef(*new LocalWebLockRegistry); }
~LocalWebLockRegistry();
WEBCORE_EXPORT void requestLock(PAL::SessionID, const ClientOrigin&, WebLockIdentifier, ScriptExecutionContextIdentifier, const String& name, WebLockMode, bool steal, bool ifAvailable, Function<void(bool)>&& grantedHandler, Function<void()>&& lockStolenHandler) final;
WEBCORE_EXPORT void releaseLock(PAL::SessionID, const ClientOrigin&, WebLockIdentifier, ScriptExecutionContextIdentifier, const String& name) final;
WEBCORE_EXPORT void abortLockRequest(PAL::SessionID, const ClientOrigin&, WebLockIdentifier, ScriptExecutionContextIdentifier, const String& name, CompletionHandler<void(bool)>&&) final;
WEBCORE_EXPORT void snapshot(PAL::SessionID, const ClientOrigin&, CompletionHandler<void(WebLockManagerSnapshot&&)>&&) final;
WEBCORE_EXPORT void clientIsGoingAway(PAL::SessionID, const ClientOrigin&, ScriptExecutionContextIdentifier) final;
WEBCORE_EXPORT void clientsAreGoingAway(ProcessIdentifier);
private:
WEBCORE_EXPORT LocalWebLockRegistry();
class PerOriginRegistry;
Ref<PerOriginRegistry> ensureRegistryForOrigin(PAL::SessionID, const ClientOrigin&);
RefPtr<PerOriginRegistry> existingRegistryForOrigin(PAL::SessionID, const ClientOrigin&) const;
HashMap<std::pair<PAL::SessionID, ClientOrigin>, WeakPtr<PerOriginRegistry>> m_perOriginRegistries;
};
} // namespace WebCore
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