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// Copyright 2016 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_WS_ACCELERATOR_H_
#define COMPONENTS_MUS_WS_ACCELERATOR_H_
#include <stdint.h>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "components/mus/public/interfaces/event_matcher.mojom.h"
#include "components/mus/ws/event_matcher.h"
namespace ui {
class Event;
}
namespace mus {
namespace ws {
// An Accelerator encompasses an id defined by the client, along with a unique
// mojom::EventMatcher. See WindowManagerClient.
//
// This provides a WeakPtr, as the client might delete the accelerator between
// an event having been matched and the dispatch of the accelerator to the
// client.
class Accelerator {
public:
Accelerator(uint32_t id, const mojom::EventMatcher& matcher);
~Accelerator();
// Returns true if |event| and |phase | matches the definition in the
// mojom::EventMatcher used for initialization.
bool MatchesEvent(const ui::Event& event,
const ui::mojom::AcceleratorPhase phase) const;
// Returns true if |other| was created with an identical mojom::EventMatcher.
bool EqualEventMatcher(const Accelerator* other) const;
base::WeakPtr<Accelerator> GetWeakPtr() { return weak_factory_.GetWeakPtr(); }
uint32_t id() const { return id_; }
private:
uint32_t id_;
ui::mojom::AcceleratorPhase accelerator_phase_;
EventMatcher event_matcher_;
base::WeakPtrFactory<Accelerator> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(Accelerator);
};
} // namespace ws
} // namespace mus
#endif // COMPONENTS_MUS_WS_ACCELERATOR_H_
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