Move accelerator related files to ui/base/accelerators

ui/base/models/accelerator.h

-// Copyright (c) 2011 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.
-
-// This class describe a keyboard accelerator (or keyboard shortcut).
-// Keyboard accelerators are registered with the FocusManager.
-// It has a copy constructor and assignment operator so that it can be copied.
-// It also defines the < operator so that it can be used as a key in a std::map.
-//
-
-#ifndef UI_BASE_MODELS_ACCELERATOR_H_
-#define UI_BASE_MODELS_ACCELERATOR_H_
-#pragma once
-
-#include "base/string16.h"
-#include "ui/base/keycodes/keyboard_codes.h"
-#include "ui/base/events.h"
-#include "ui/base/ui_export.h"
-
-namespace ui {
-
-// This is a cross-platform base class for accelerator keys used in menus. It is
-// meant to be subclassed for concrete toolkit implementations.
-class UI_EXPORT Accelerator {
- public:
-  Accelerator() : key_code_(ui::VKEY_UNKNOWN), modifiers_(0) {}
-
-  Accelerator(ui::KeyboardCode keycode, int modifiers)
-      : key_code_(keycode),
-        modifiers_(modifiers) {}
-
-  Accelerator(const Accelerator& accelerator) {
-    key_code_ = accelerator.key_code_;
-    modifiers_ = accelerator.modifiers_;
-  }
-
-  Accelerator(ui::KeyboardCode keycode,
-              bool shift_pressed, bool ctrl_pressed, bool alt_pressed)
-      : key_code_(keycode),
-        modifiers_(0) {
-    if (shift_pressed)
-      modifiers_ |= ui::EF_SHIFT_DOWN;
-    if (ctrl_pressed)
-      modifiers_ |= ui::EF_CONTROL_DOWN;
-    if (alt_pressed)
-      modifiers_ |= ui::EF_ALT_DOWN;
-  }
-
-  virtual ~Accelerator() {}
-
-  Accelerator& operator=(const Accelerator& accelerator) {
-    if (this != &accelerator) {
-      key_code_ = accelerator.key_code_;
-      modifiers_ = accelerator.modifiers_;
-    }
-    return *this;
-  }
-
-  // We define the < operator so that the KeyboardShortcut can be used as a key
-  // in a std::map.
-  bool operator <(const Accelerator& rhs) const {
-    if (key_code_ != rhs.key_code_)
-      return key_code_ < rhs.key_code_;
-    return modifiers_ < rhs.modifiers_;
-  }
-
-  bool operator ==(const Accelerator& rhs) const {
-    return (key_code_ == rhs.key_code_) && (modifiers_ == rhs.modifiers_);
-  }
-
-  bool operator !=(const Accelerator& rhs) const {
-    return !(*this == rhs);
-  }
-
-  ui::KeyboardCode key_code() const { return key_code_; }
-
-  int modifiers() const { return modifiers_; }
-
-  bool IsShiftDown() const {
-    return (modifiers_ & ui::EF_SHIFT_DOWN) == ui::EF_SHIFT_DOWN;
-  }
-
-  bool IsCtrlDown() const {
-    return (modifiers_ & ui::EF_CONTROL_DOWN) == ui::EF_CONTROL_DOWN;
-  }
-
-  bool IsAltDown() const {
-    return (modifiers_ & ui::EF_ALT_DOWN) == ui::EF_ALT_DOWN;
-  }
-
-  // Returns a string with the localized shortcut if any.
-  string16 GetShortcutText() const;
-
- protected:
-  // The keycode (VK_...).
-  ui::KeyboardCode key_code_;
-
-  // The state of the Shift/Ctrl/Alt keys (platform-dependent).
-  int modifiers_;
-};
-
-// An interface that classes that want to register for keyboard accelerators
-// should implement.
-class UI_EXPORT AcceleratorTarget {
- public:
-  // This method should return true if the accelerator was processed.
-  virtual bool AcceleratorPressed(const Accelerator& accelerator) = 0;
-
- protected:
-  virtual ~AcceleratorTarget() {}
-};
-
-// Since acclerator code is one of the few things that can't be cross platform
-// in the chrome UI, separate out just the GetAcceleratorForCommandId() from
-// the menu delegates.
-class AcceleratorProvider {
- public:
-  // Gets the accelerator for the specified command id. Returns true if the
-  // command id has a valid accelerator, false otherwise.
-  virtual bool GetAcceleratorForCommandId(int command_id,
-                                          ui::Accelerator* accelerator) = 0;
-
- protected:
-  virtual ~AcceleratorProvider() {}
-};
-
-}  // namespace ui
-
-#endif  // UI_BASE_MODELS_ACCELERATOR_H_