src/ui/controls/FUiCtrl_LanguageEvent.cpp

   1 //
   2 // Open Service Platform
   3 // Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
   4 //
   5 // Licensed under the Apache License, Version 2.0 (the License);
   6 // you may not use this file except in compliance with the License.
   7 // You may obtain a copy of the License at
   8 //
   9 //     http://www.apache.org/licenses/LICENSE-2.0/
  10 //
  11 // Unless required by applicable law or agreed to in writing, software
  12 // distributed under the License is distributed on an "AS IS" BASIS,
  13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 // See the License for the specific language governing permissions and
  15 // limitations under the License.
  16 //
  17 /**
  18  *      @file           FUiCtrl_LanguageEvent.cpp
  19  *      @brief          This is the implementation for the _LanguageEvent class.
  20  *      @version        2.0
  21  */
  22
  23 // includes
  24 #include <FBaseErrors.h>
  25 #include <FBaseSysLog.h>
  26 #include <FLclLocale.h>
  27 #include <new>
  28 #include "FUiCtrl_LanguageEvent.h"
  29
  30 using namespace Tizen::Base;
  31 using namespace Tizen::Base::Runtime;
  32 using namespace Tizen::Locales;
  33
  34 namespace Tizen { namespace Ui { namespace Controls
  35 {
  36 /**
  37 * @class        _LanguageEventArg
  38 * @brief        This class is used as an argument of event listener's method.
  39 *
  40 * This class is used as an argument of event listener's method. When language event is generated,
  41 * the @c languageEvent instance calls @c languageEventListener's method with instance of this class as an argument.
  42 *
  43 */
  44 class _OSP_EXPORT_ _LanguageEventArg
  45         : public IEventArg
  46         , public Object
  47 {
  48 // Lifecycle
  49 public:
  50         /**
  51          *      This is the default class constructor.
  52          *
  53          * @param[in]   source                  A pointer to the Window instance which contains this instance.
  54          * @param[in]   prevLanguageCode                the key code of the event initially occurs.
  55          * @param[in]   currentLanguageCode     the key state of the event initially occurs.
  56          */
  57         _LanguageEventArg(LanguageCode prevLanguageCode, LanguageCode currentLanguageCode);
  58
  59
  60         /**
  61          * This is the class destructor.
  62          *
  63          */
  64         virtual ~_LanguageEventArg(void);
  65
  66
  67 // Access
  68 public:
  69         /**
  70         * This method returns a previous language code.
  71         *
  72         * @return       See the comment above.
  73         *
  74         */
  75         LanguageCode GetPreviousLanguageCode(void) const;
  76
  77         /**
  78         * This method returns a current language code.
  79         *
  80         * @return       See the comment above.
  81         *
  82         */
  83         LanguageCode GetCurrentLanguageCode(void) const;
  84
  85 // Attribute
  86 private:
  87         LanguageCode __prevLanguageCode;
  88         LanguageCode __currentLanguageCode;
  89 }; // _LanguageEventArg
  90
  91 _LanguageEventArg::_LanguageEventArg(LanguageCode prevLanguageCode, LanguageCode currentLanguageCode)
  92         : __prevLanguageCode(prevLanguageCode)
  93         , __currentLanguageCode(currentLanguageCode)
  94 {
  95
  96 }
  97
  98 _LanguageEventArg::~_LanguageEventArg(void)
  99 {
 100         // Nothing.
 101 }
 102
 103 LanguageCode
 104 _LanguageEventArg::GetCurrentLanguageCode(void) const
 105 {
 106         return __currentLanguageCode;
 107 }
 108
 109 LanguageCode
 110 _LanguageEventArg::GetPreviousLanguageCode(void) const
 111 {
 112         return __prevLanguageCode;
 113 }
 114
 115 ////////////////////////////////////////////////////////////////////////////////
 116 /// _FocusEvent class Lifecycle
 117
 118 _LanguageEvent::_LanguageEvent(const _Control& source)
 119         : __pSource(null)
 120 {
 121         result r = _Event::Initialize();
 122
 123         // set event source
 124         if (r == E_SUCCESS)
 125                 __pSource = &source;
 126 }
 127
 128
 129 _LanguageEvent::~_LanguageEvent()
 130 {
 131         // NOTHING
 132 }
 133
 134 _LanguageEvent*
 135 _LanguageEvent::CreateInstanceN(const _Control& source)
 136 {
 137         _LanguageEvent* pCoreLanguageEvent = new (std::nothrow) _LanguageEvent(source);
 138         SysTryReturn(NID_UI_CTRL, pCoreLanguageEvent, null, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] Memory shortage.");
 139
 140         if (IsFailed(GetLastResult()))
 141                 goto CATCH;
 142
 143         return pCoreLanguageEvent;
 144
 145 CATCH:
 146         delete pCoreLanguageEvent;
 147         return null;
 148 }
 149
 150 const _Control*
 151 _LanguageEvent::GetSource(void) const
 152 {
 153         return (__pSource);
 154 }
 155
 156 void
 157 _LanguageEvent::FireImpl(IEventListener& listener, const IEventArg& arg)
 158 {
 159         _ILanguageEventListener* pLanguageEventListener = dynamic_cast <_ILanguageEventListener*>(&listener);
 160         SysTryReturnVoidResult(NID_UI_CTRL, pLanguageEventListener != null, E_INVALID_ARG,
 161                                 "[E_INVALID_ARG] The invalid listener was given.\n");
 162
 163         const _LanguageEventArg* pLanguageEventArg = dynamic_cast <const _LanguageEventArg*>(&arg);
 164         SysTryReturnVoidResult(NID_UI_CTRL, pLanguageEventArg != null, E_INVALID_ARG,
 165                                 "[E_INVALID_ARG] The invalid Event Argument was given.\n");
 166
 167         LanguageCode currentLanguageCode = pLanguageEventArg->GetCurrentLanguageCode();
 168         LanguageCode previousLanguageCode = pLanguageEventArg->GetPreviousLanguageCode();
 169
 170         pLanguageEventListener->OnLanguageChanged(currentLanguageCode, previousLanguageCode);
 171
 172         SetLastResult(E_SUCCESS);
 173
 174         return;
 175 }
 176
 177 IEventArg*
 178 _LanguageEvent::CreateLanguageEventArgN(LanguageCode prevLanguageCode,
 179                                                                                         LanguageCode currentLanguageCode)
 180 {
 181         _LanguageEventArg* pLanguageEventArg = new (std::nothrow) _LanguageEventArg(prevLanguageCode, currentLanguageCode);
 182         SysTryReturn(NID_UI_CTRL, pLanguageEventArg, null, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] Memory shortage.");
 183
 184         return pLanguageEventArg;
 185 }
 186
 187 }}} // Tizen::Ui::Controls