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// 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.
#ifndef CHROME_BROWSER_UI_COCOA_ACCELERATORS_COCOA_H_
#define CHROME_BROWSER_UI_COCOA_ACCELERATORS_COCOA_H_
#import <Cocoa/Cocoa.h>
#include <map>
#include <vector>
#include "base/gtest_prod_util.h"
#include "ui/base/accelerators/accelerator.h"
template <typename T> struct DefaultSingletonTraits;
// This class maintains a map of command_ids to Accelerator objects (see
// chrome/app/chrome_command_ids.h). Currently, this only lists the commands
// that are used in the Wrench menu.
//
// It is recommended that this class be used as a singleton so that the key map
// isn't created multiple places.
//
// #import "base/memory/singleton.h"
// ...
// AcceleratorsCocoa* keymap = AcceleratorsCocoa::GetInstance();
// return keymap->GetAcceleratorForCommand(IDC_COPY);
//
class AcceleratorsCocoa {
public:
typedef std::map<int, ui::Accelerator> AcceleratorMap;
typedef std::vector<ui::Accelerator> AcceleratorVector;
typedef AcceleratorMap::const_iterator const_iterator;
const_iterator const begin() { return accelerators_.begin(); }
const_iterator const end() { return accelerators_.end(); }
// Returns NULL if there is no accelerator for the command.
const ui::Accelerator* GetAcceleratorForCommand(int command_id);
// Searches the list of accelerators without a command_id for an accelerator
// that matches the given |key_equivalent| and |modifiers|.
const ui::Accelerator* GetAcceleratorForHotKey(NSString* key_equivalent,
NSUInteger modifiers) const;
// Returns the singleton instance.
static AcceleratorsCocoa* GetInstance();
private:
friend struct DefaultSingletonTraits<AcceleratorsCocoa>;
FRIEND_TEST_ALL_PREFIXES(AcceleratorsCocoaBrowserTest,
MappingAcceleratorsInMainMenu);
AcceleratorsCocoa();
~AcceleratorsCocoa();
// A map from command_id to Accelerator. The accelerator is fully filled out,
// and its platform_accelerator is also fully filled out.
// Contains accelerators from both the wrench menu and the main menu.
AcceleratorMap accelerators_;
// A list of accelerators used in the main menu that have no associated
// command_id. The accelerator is fully filled out, and its
// platform_accelerator is also fully filled out.
AcceleratorVector accelerator_vector_;
DISALLOW_COPY_AND_ASSIGN(AcceleratorsCocoa);
};
#endif // CHROME_BROWSER_UI_COCOA_ACCELERATORS_COCOA_H_
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