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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_MUS_SURFACES_SURFACES_STATE_H_
#define COMPONENTS_MUS_SURFACES_SURFACES_STATE_H_
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "cc/surfaces/surface_hittest.h"
#include "cc/surfaces/surface_manager.h"
#include "components/mus/surfaces/surfaces_scheduler.h"
namespace cc {
class SurfaceHittest;
class SurfaceManager;
} // namespace cc
namespace mus {
// The SurfacesState object is an object global to the Window Manager app that
// holds the SurfaceManager, SurfacesScheduler and allocates new Surfaces
// namespaces. This object lives on the main thread of the Window Manager.
// TODO(rjkroege, fsamuel): This object will need to change to support multiple
// displays.
class SurfacesState : public base::RefCounted<SurfacesState> {
public:
SurfacesState();
uint32_t next_id_namespace() { return next_id_namespace_++; }
cc::SurfaceManager* manager() { return &manager_; }
cc::SurfaceHittest* hit_tester() { return &hit_tester_; }
SurfacesScheduler* scheduler() { return &scheduler_; }
private:
friend class base::RefCounted<SurfacesState>;
~SurfacesState();
// A Surface ID is an unsigned 64-bit int where the high 32-bits are generated
// by the Surfaces service, and the low 32-bits are generated by the process
// that requested the Surface.
uint32_t next_id_namespace_;
cc::SurfaceManager manager_;
cc::SurfaceHittest hit_tester_;
SurfacesScheduler scheduler_;
DISALLOW_COPY_AND_ASSIGN(SurfacesState);
};
} // namespace mus
#endif // COMPONENTS_MUS_SURFACES_SURFACES_STATE_H_
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