1 /*****************************************************************************/ 2 // LiveSetting 3 // Written by Michael Wilber 4 // 5 // LiveSetting.h 6 // 7 // This class stores the default value for an individual setting and provides 8 // functions which read and write the setting to BMessages. 9 // 10 // 11 // Copyright (C) Haiku 12 // 13 // Permission is hereby granted, free of charge, to any person obtaining a 14 // copy of this software and associated documentation files (the "Software"), 15 // to deal in the Software without restriction, including without limitation 16 // the rights to use, copy, modify, merge, publish, distribute, sublicense, 17 // and/or sell copies of the Software, and to permit persons to whom the 18 // Software is furnished to do so, subject to the following conditions: 19 // 20 // The above copyright notice and this permission notice shall be included 21 // in all copies or substantial portions of the Software. 22 // 23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 24 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 25 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 26 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 27 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 28 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 29 // DEALINGS IN THE SOFTWARE. 30 /*****************************************************************************/ 31 32 #ifndef LIVE_SETTING_H 33 #define LIVE_SETTING_H 34 35 #include <Locker.h> 36 #include <Path.h> 37 #include <Message.h> 38 #include <String.h> 39 #include <vector> 40 #include "LiveSettingsObserver.h" 41 42 class LiveSetting { 43 public: 44 LiveSetting(uint32 id, const char *name, bool val); 45 LiveSetting(uint32 id, const char *name, int32 val); 46 LiveSetting(uint32 id, const char *name, const char *val); 47 ~LiveSetting() { } 48 49 uint32 GetId() const { return fId; } 50 const char *GetName() const { return fName; } 51 52 bool AddReplaceValue(BMessage *msgTo, BMessage *msgFrom = NULL) const; 53 54 bool AddReplaceValue(BMessage *msgTo, bool val) const; 55 bool AddReplaceValue(BMessage *msgTo, int32 val) const; 56 bool AddReplaceValue(BMessage *msgTo, const BString &val) const; 57 58 bool GetValue(BMessage *msgFrom, bool &val) const; 59 bool GetValue(BMessage *msgFrom, int32 &val) const; 60 bool GetValue(BMessage *msgFrom, BString &val) const; 61 62 private: 63 enum LiveSettingType { 64 LIVE_SETTING_BOOL = 0, 65 LIVE_SETTING_INT32, 66 LIVE_SETTING_STRING 67 }; 68 69 void Init(uint32 id, const char *name, const LiveSettingType dataType); 70 71 uint32 fId; 72 const char *fName; 73 LiveSettingType fDataType; 74 union { 75 bool fBoolVal; 76 int32 fInt32Val; 77 const char *fCharpVal; 78 }; 79 }; 80 81 #endif // #ifndef LIVE_SETTING_H 82 83 84