mash: remove AcceleratorRegistrar.

ash/mus/accelerators/accelerator_registrar_impl.h

-// 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 ASH_MUS_ACCELERATORS_ACCELERATOR_REGISTRAR_IMPL_H_
-#define ASH_MUS_ACCELERATORS_ACCELERATOR_REGISTRAR_IMPL_H_
-
-#include <stdint.h>
-
-#include <map>
-
-#include "ash/mus/accelerators/accelerator_handler.h"
-#include "ash/mus/window_manager_observer.h"
-#include "base/callback.h"
-#include "base/macros.h"
-#include "mojo/public/cpp/bindings/binding_set.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
-#include "services/ui/public/interfaces/accelerator_registrar.mojom.h"
-#include "ui/base/accelerators/accelerator.h"
-
-namespace ash {
-namespace mus {
-
-class WindowManager;
-
-// Manages AcceleratorHandlers from a particular AcceleratorRegistrar
-// connection. This manages its own lifetime, and destroys itself when the
-// AcceleratorRegistrar and all its AcceleratorHandlers are disconnected. Upon
-// destruction, it calls the DestroyCallback.
-class AcceleratorRegistrarImpl : public ui::mojom::AcceleratorRegistrar,
-                                 public WindowManagerObserver,
-                                 public AcceleratorHandler,
-                                 public ui::AcceleratorTarget {
- public:
-  using DestroyCallback = base::Callback<void(AcceleratorRegistrarImpl*)>;
-  AcceleratorRegistrarImpl(WindowManager* window_manager,
-                           uint16_t accelerator_namespace,
-                           mojo::InterfaceRequest<AcceleratorRegistrar> request,
-                           const DestroyCallback& destroy_callback);
-
-  void Destroy();
-
-  // Returns true if this AcceleratorRegistrar has an accelerator with the
-  // specified id.
-  bool OwnsAccelerator(uint32_t accelerator_id) const;
-
-  void ProcessAccelerator(uint32_t accelerator_id, const ui::Event& event);
-
- private:
-  ~AcceleratorRegistrarImpl() override;
-
-  void OnBindingGone();
-  void OnHandlerGone();
-
-  void RemoveAllAccelerators();
-
-  // If |matcher| identifies a key-binding accelerator registers it and
-  // returns true, returns false otherwise.
-  bool AddAcceleratorForKeyBinding(uint32_t accelerator_id,
-                                   const ui::mojom::EventMatcher& matcher,
-                                   const AddAcceleratorCallback& callback);
-
-  // ui::mojom::AcceleratorRegistrar:
-  void SetHandler(ui::mojom::AcceleratorHandlerPtr handler) override;
-  void AddAccelerator(uint32_t accelerator_id,
-                      ui::mojom::EventMatcherPtr matcher,
-                      const AddAcceleratorCallback& callback) override;
-  void RemoveAccelerator(uint32_t accelerator_id) override;
-
-  // AcceleratorHandler:
-  ui::mojom::EventResult OnAccelerator(uint32_t id,
-                                       const ui::Event& event) override;
-
-  // WindowManagerObserver:
-  void OnWindowTreeClientDestroyed() override;
-
-  // AcceleratorTarget:
-  bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
-  bool CanHandleAccelerators() const override;
-
-  WindowManager* window_manager_;
-  ui::mojom::AcceleratorHandlerPtr accelerator_handler_;
-  mojo::Binding<AcceleratorRegistrar> binding_;
-  uint16_t accelerator_namespace_;
-  // Only contains non-keyboard accelerators.
-  std::set<uint32_t> accelerators_;
-  DestroyCallback destroy_callback_;
-
-  // Used only for keyboard accelerators.
-  std::map<ui::Accelerator, uint16_t> keyboard_accelerator_to_id_;
-  std::map<uint16_t, ui::Accelerator> id_to_keyboard_accelerator_;
-
-  DISALLOW_COPY_AND_ASSIGN(AcceleratorRegistrarImpl);
-};
-
-}  // namespace mus
-}  // namespace ash
-
-#endif  // ASH_MUS_ACCELERATORS_ACCELERATOR_REGISTRAR_IMPL_H_