1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_BROWSER_COCOA_SYSTEM_HOTKEY_HELPER_MAC_H_ 6 #define CONTENT_BROWSER_COCOA_SYSTEM_HOTKEY_HELPER_MAC_H_ 7 8 #include "base/memory/singleton.h" 9 #include "base/memory/weak_ptr.h" 10 11 #ifdef __OBJC__ 12 @class NSDictionary; 13 #else 14 class NSDictionary; 15 #endif 16 17 namespace content { 18 19 class SystemHotkeyMap; 20 21 // This singleton holds a global mapping of hotkeys reserved by OSX. 22 class SystemHotkeyHelperMac { 23 public: 24 // Return pointer to the singleton instance for the current process. 25 static SystemHotkeyHelperMac* GetInstance(); 26 27 // Loads the system hot keys after a brief delay, to reduce file system access 28 // immediately after launch. 29 void DeferredLoadSystemHotkeys(); 30 31 // Guaranteed to not be NULL. map()32 SystemHotkeyMap* map() { return map_.get(); } 33 34 private: 35 friend struct DefaultSingletonTraits<SystemHotkeyHelperMac>; 36 37 SystemHotkeyHelperMac(); 38 ~SystemHotkeyHelperMac(); 39 40 // Must be called from the FILE thread. Loads the file containing the system 41 // hotkeys into a NSDictionary* object, and passes the result to FileDidLoad 42 // on the UI thread. 43 void LoadSystemHotkeys(); 44 45 // Must be called from the UI thread. This takes ownership of |dictionary|. 46 // Parses the system hotkeys from the plist stored in |dictionary|. 47 void FileDidLoad(NSDictionary* dictionary); 48 49 scoped_ptr<SystemHotkeyMap> map_; 50 51 DISALLOW_COPY_AND_ASSIGN(SystemHotkeyHelperMac); 52 }; 53 54 } // namespace content 55 56 #endif // CONTENT_BROWSER_COCOA_SYSTEM_HOTKEY_HELPER_MAC_H_ 57