src/ui/controls/FUiCtrl_PublicLanguageEvent.cpp

   1 //
   2 // Open Service Platform
   3 // Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
   4 //
   5 // Licensed under the Flora License, Version 1.0 (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://floralicense.org/license/
  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_PublicLanguageEvent.cpp
  19  *      @brief          This is the implementation for the _LanguageEvent class.
  20  *      @version        1.0
  21  */
  22
  23 // includes
  24 #include <FBaseErrors.h>
  25 #include <FBaseSysLog.h>
  26 #include <FLclLocale.h>
  27 #include <new>
  28 #include "FUiCtrl_PublicLanguageEvent.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_ _PublicLanguageEventArg
  45         : public Object
  46         , public IEventArg
  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         _PublicLanguageEventArg(const Control& source, LanguageCode prevLanguageCode, LanguageCode currentLanguageCode);
  58
  59
  60         /**
  61          * This is the class destructor.
  62          *
  63          */
  64         virtual ~_PublicLanguageEventArg(void);
  65
  66
  67 // Access
  68 public:
  69         /**
  70         * This method returns the object which the event initially occurs.
  71         *
  72         * @return       The object  which the event initially occurs.
  73         */
  74         const Control* GetSource(void) const;
  75
  76
  77         /**
  78         * This method returns a previous language code.
  79         *
  80         * @return       See the comment above.
  81         *
  82         */
  83         LanguageCode GetPreviousLanguageCode(void) const;
  84
  85         /**
  86         * This method returns a current language code.
  87         *
  88         * @return       See the comment above.
  89         *
  90         */
  91         LanguageCode GetCurrentLanguageCode(void) const;
  92
  93 // Attribute
  94 private:
  95         const Control* __pSource;
  96         LanguageCode __prevLanguageCode;
  97         LanguageCode __currentLanguageCode;
  98 }; // _PublicLanguageEventArg
  99
 100 _PublicLanguageEventArg::_PublicLanguageEventArg(const Control& source, LanguageCode prevLanguageCode, LanguageCode currentLanguageCode)
 101         : __pSource(&source)
 102         , __prevLanguageCode(prevLanguageCode)
 103         , __currentLanguageCode(currentLanguageCode)
 104 {
 105
 106 }
 107
 108 _PublicLanguageEventArg::~_PublicLanguageEventArg(void)
 109 {
 110         // Nothing.
 111 }
 112
 113 const Control*
 114 _PublicLanguageEventArg::GetSource(void) const
 115 {
 116         return __pSource;
 117 }
 118
 119 LanguageCode
 120 _PublicLanguageEventArg::GetCurrentLanguageCode(void) const
 121 {
 122         return __currentLanguageCode;
 123 }
 124
 125 LanguageCode
 126 _PublicLanguageEventArg::GetPreviousLanguageCode(void) const
 127 {
 128         return __prevLanguageCode;
 129 }
 130
 131 ////////////////////////////////////////////////////////////////////////////////
 132 /// _FocusEvent class Lifecycle
 133
 134 _PublicLanguageEvent::_PublicLanguageEvent(const Control& source)
 135         : __pSource(null)
 136 {
 137         result r = _Event::Initialize();
 138
 139         // set event source
 140         if (r == E_SUCCESS)
 141                 __pSource = &source;
 142 }
 143
 144
 145 _PublicLanguageEvent::~_PublicLanguageEvent()
 146 {
 147         // NOTHING
 148 }
 149
 150 _PublicLanguageEvent*
 151 _PublicLanguageEvent::CreateInstanceN(const Control& source)
 152 {
 153         _PublicLanguageEvent* pPublicLanguageEvent = new (std::nothrow) _PublicLanguageEvent(source);
 154         SysTryReturn(NID_UI_CTRL, pPublicLanguageEvent, null, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] Memory shortage.");
 155
 156         return pPublicLanguageEvent;
 157 }
 158
 159 const Control*
 160 _PublicLanguageEvent::GetSource(void) const
 161 {
 162         return __pSource;
 163 }
 164
 165 void
 166 _PublicLanguageEvent::FireImpl(IEventListener& listener, const IEventArg& arg)
 167 {
 168         ILanguageEventListener* pLanguageEventListener = dynamic_cast <ILanguageEventListener*>(&listener);
 169         SysTryReturnVoidResult(NID_UI_CTRL, pLanguageEventListener != null, E_INVALID_ARG,
 170                                 "[E_INVALID_ARG] The invalid listener was given.\n");
 171
 172         const _PublicLanguageEventArg* pLanguageEventArg = dynamic_cast <const _PublicLanguageEventArg*>(&arg);
 173         SysTryReturnVoidResult(NID_UI_CTRL, pLanguageEventArg != null, E_INVALID_ARG,
 174                                 "[E_INVALID_ARG] The invalid Event Argument was given.\n");
 175
 176         Control* tempSource = null;
 177         tempSource = const_cast <Control*>(pLanguageEventArg->GetSource());
 178
 179         LanguageCode currentLanguageCode = pLanguageEventArg->GetCurrentLanguageCode();
 180         LanguageCode previousLanguageCode = pLanguageEventArg->GetPreviousLanguageCode();
 181
 182         pLanguageEventListener->OnLanguageChanged(*tempSource, currentLanguageCode, previousLanguageCode);
 183
 184         SetLastResult(E_SUCCESS);
 185
 186         return;
 187 }
 188
 189 IEventArg*
 190 _PublicLanguageEvent::CreateLanguageEventArgN(const Control& source, LanguageCode prevLanguageCode,
 191                                                                                           LanguageCode currentLanguageCode)
 192 {
 193         _PublicLanguageEventArg* pLanguageEventArg = new (std::nothrow) _PublicLanguageEventArg(source, prevLanguageCode,
 194                                                                                                                                                                                         currentLanguageCode);
 195         SysTryReturn(NID_UI_CTRL, pLanguageEventArg, null, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] Memory shortage.");
 196
 197         return pLanguageEventArg;
 198 }
 199
 200 }}} // Tizen::Ui::Controls