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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_HELPER_MAC_H_
#define CONTENT_BROWSER_COCOA_SYSTEM_HOTKEY_HELPER_MAC_H_
#include "base/memory/singleton.h"
#include "base/memory/weak_ptr.h"
#ifdef __OBJC__
@class NSDictionary;
#else
class NSDictionary;
#endif
namespace content {
class SystemHotkeyMap;
// This singleton holds a global mapping of hotkeys reserved by OSX.
class SystemHotkeyHelperMac {
public:
// Return pointer to the singleton instance for the current process.
static SystemHotkeyHelperMac* GetInstance();
// Loads the system hot keys after a brief delay, to reduce file system access
// immediately after launch.
void DeferredLoadSystemHotkeys();
// Guaranteed to not be NULL.
SystemHotkeyMap* map() { return map_.get(); }
private:
friend struct DefaultSingletonTraits<SystemHotkeyHelperMac>;
SystemHotkeyHelperMac();
~SystemHotkeyHelperMac();
// Must be called from the FILE thread. Loads the file containing the system
// hotkeys into a NSDictionary* object, and passes the result to FileDidLoad
// on the UI thread.
void LoadSystemHotkeys();
// Must be called from the UI thread. This takes ownership of |dictionary|.
// Parses the system hotkeys from the plist stored in |dictionary|.
void FileDidLoad(NSDictionary* dictionary);
scoped_ptr<SystemHotkeyMap> map_;
DISALLOW_COPY_AND_ASSIGN(SystemHotkeyHelperMac);
};
} // namespace content
#endif // CONTENT_BROWSER_COCOA_SYSTEM_HOTKEY_HELPER_MAC_H_
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