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/*
* Copyright (C) 2019 Metrological Group B.V.
* Copyright (C) 2019 Igalia S.L.
*
* 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* HOLDER OR 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 <memory>
#include <wtf/Lock.h>
#include <wtf/RefPtr.h>
#include <wtf/ThreadSafeRefCounted.h>
namespace Nicosia {
class Scene;
class SceneIntegration : public ThreadSafeRefCounted<SceneIntegration> {
public:
class Client {
public:
virtual ~Client();
virtual void requestUpdate() = 0;
};
static Ref<SceneIntegration> create(Scene& scene, Client& client)
{
return adoptRef(*new SceneIntegration(scene, client));
}
~SceneIntegration();
void setClient(Client&);
void invalidate();
void requestUpdate();
class UpdateScope {
WTF_MAKE_FAST_ALLOCATED;
public:
explicit UpdateScope(Ref<SceneIntegration>&&);
~UpdateScope();
private:
Ref<SceneIntegration> m_sceneIntegration;
LockHolder m_locker;
};
std::unique_ptr<UpdateScope> createUpdateScope();
private:
explicit SceneIntegration(Scene&, Client&);
struct {
Lock lock;
RefPtr<Scene> scene;
Client* object { nullptr };
} m_client;
};
} // namespace Nicosia
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