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110 lines
4.6 KiB
C++
110 lines
4.6 KiB
C++
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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//
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// Foundation/NSNotification.hpp
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//
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// Copyright 2020-2023 Apple Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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#pragma once
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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#include "NSDefines.hpp"
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#include "NSDictionary.hpp"
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#include "NSObject.hpp"
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#include "NSString.hpp"
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#include "NSTypes.hpp"
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#include <functional>
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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namespace NS
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{
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using NotificationName = class String*;
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class Notification : public NS::Referencing<Notification>
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{
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public:
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NS::String* name() const;
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NS::Object* object() const;
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NS::Dictionary* userInfo() const;
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};
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using ObserverBlock = void(^)(Notification*);
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using ObserverFunction = std::function<void(Notification*)>;
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class NotificationCenter : public NS::Referencing<NotificationCenter>
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{
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public:
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static class NotificationCenter* defaultCenter();
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Object* addObserver(NotificationName name, Object* pObj, void* pQueue, ObserverBlock block);
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Object* addObserver(NotificationName name, Object* pObj, void* pQueue, ObserverFunction &handler);
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void removeObserver(Object* pObserver);
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};
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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_NS_INLINE NS::String* NS::Notification::name() const
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{
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return Object::sendMessage<NS::String*>(this, _NS_PRIVATE_SEL(name));
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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_NS_INLINE NS::Object* NS::Notification::object() const
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{
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return Object::sendMessage<NS::Object*>(this, _NS_PRIVATE_SEL(object));
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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_NS_INLINE NS::Dictionary* NS::Notification::userInfo() const
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{
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return Object::sendMessage<NS::Dictionary*>(this, _NS_PRIVATE_SEL(userInfo));
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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_NS_INLINE NS::NotificationCenter* NS::NotificationCenter::defaultCenter()
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{
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return NS::Object::sendMessage<NS::NotificationCenter*>(_NS_PRIVATE_CLS(NSNotificationCenter), _NS_PRIVATE_SEL(defaultCenter));
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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_NS_INLINE NS::Object* NS::NotificationCenter::addObserver(NS::NotificationName name, Object* pObj, void* pQueue, NS::ObserverBlock block)
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{
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return NS::Object::sendMessage<Object*>(this, _NS_PRIVATE_SEL(addObserverName_object_queue_block_), name, pObj, pQueue, block);
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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_NS_INLINE NS::Object* NS::NotificationCenter::addObserver(NS::NotificationName name, Object* pObj, void* pQueue, NS::ObserverFunction &handler)
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{
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__block ObserverFunction blockFunction = handler;
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return addObserver(name, pObj, pQueue, ^(NS::Notification* pNotif) {blockFunction(pNotif);});
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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_NS_INLINE void NS::NotificationCenter::removeObserver(Object* pObserver)
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{
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return NS::Object::sendMessage<void>(this, _NS_PRIVATE_SEL(removeObserver_), pObserver);
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}
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