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// Copyright 2014 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 CONTENT_BROWSER_COCOA_SYSTEM_HOTKEY_MAP_H_
#define CONTENT_BROWSER_COCOA_SYSTEM_HOTKEY_MAP_H_
#import <Cocoa/Cocoa.h>
#include <vector>
#include "base/gtest_prod_util.h"
#include "base/macros.h"
#include "content/common/content_export.h"
namespace content {
struct SystemHotkey;
// Maintains a listing of all OSX system hotkeys. e.g. (cmd + `) These hotkeys
// should have higher priority than web content, so NSEvents that correspond to
// a system hotkey should not be passed to the renderer.
class CONTENT_EXPORT SystemHotkeyMap {
public:
SystemHotkeyMap();
~SystemHotkeyMap();
// Converts the plist stored in |data| into an NSDictionary. Returns nil on
// error.
static NSDictionary* DictionaryFromData(NSData* data);
// Parses the property list data commonly stored at
// ~/Library/Preferences/com.apple.symbolichotkeys.plist
// Returns false on encountering an irrecoverable error.
// Can be called multiple times. Only the results from the most recent
// invocation are stored.
bool ParseDictionary(NSDictionary* dictionary);
// Whether the event corresponds to a hotkey that has been reserved by the
// system.
bool IsEventReserved(NSEvent* event) const;
private:
FRIEND_TEST_ALL_PREFIXES(SystemHotkeyMapTest, Parse);
FRIEND_TEST_ALL_PREFIXES(SystemHotkeyMapTest, ParseCustomEntries);
FRIEND_TEST_ALL_PREFIXES(SystemHotkeyMapTest, ParseMouse);
// Whether the hotkey has been reserved by the user.
bool IsHotkeyReserved(unsigned short key_code, NSUInteger modifiers) const;
// Create at least one record of a hotkey that is reserved by the user.
// Certain system hotkeys automatically reserve multiple key combinations.
void ReserveHotkey(unsigned short key_code,
NSUInteger modifiers,
NSString* system_effect);
// Create a record of a hotkey that is reserved by the user.
void ReserveHotkey(unsigned short key_code, NSUInteger modifiers);
std::vector<SystemHotkey> system_hotkeys_;
DISALLOW_COPY_AND_ASSIGN(SystemHotkeyMap);
};
} // namespace content
#endif // CONTENT_BROWSER_COCOA_SYSTEM_HOTKEY_MAP_H_
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