dali-toolkit/internal/controls/alignment/alignment-impl.h

   1 #ifndef DALI_TOOLKIT_INTERNAL_ALIGNMENT_H
   2 #define DALI_TOOLKIT_INTERNAL_ALIGNMENT_H
   3
   4 /*
   5  * Copyright (c) 2019 Samsung Electronics Co., Ltd.
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  * http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  */
  20
  21 // INTERNAL INCLUDES
  22 #include <dali-toolkit/public-api/controls/control-impl.h>
  23 #include <dali-toolkit/devel-api/controls/alignment/alignment.h>
  24 #include <dali-toolkit/internal/controls/control/control-data-impl.h>
  25
  26 namespace Dali
  27 {
  28
  29 namespace Toolkit
  30 {
  31
  32 class Alignment;
  33
  34 namespace Internal
  35 {
  36
  37 /**
  38  * Alignment is a control to position and resize actors inside other container actors.
  39  * @see Dali::Toolkit::Alignment for more details.
  40  */
  41 class Alignment : public Control
  42 {
  43 public:
  44
  45   /**
  46    * Create an initialized Alignment.
  47    * @param type Type of alignment.
  48    * @return A handle to a newly allocated Dali resource.
  49    */
  50   static Toolkit::Alignment New( Toolkit::Alignment::Type horizontal, Toolkit::Alignment::Type vertical );
  51
  52   /**
  53    * @copydoc Dali::Toolkit::Alignment::SetAlignmentType()
  54    */
  55   void SetAlignmentType( Toolkit::Alignment::Type type );
  56
  57   /**
  58    * @copydoc Dali::Toolkit::Alignment::GetAlignmentType()
  59    */
  60   Toolkit::Alignment::Type GetAlignmentType() const;
  61
  62   /**
  63    * @copydoc Dali::Toolkit::Alignment::SetScaling()
  64    */
  65   void SetScaling( Toolkit::Alignment::Scaling scaling );
  66
  67   /**
  68    * @copydoc Dali::Toolkit::Alignment::GetScaling()
  69    */
  70   Toolkit::Alignment::Scaling GetScaling() const;
  71
  72   /**
  73    * @copydoc Dali::Toolkit::Alignment::SetPadding()
  74    */
  75   void SetPadding( const Toolkit::Alignment::Padding& padding );
  76
  77   /**
  78    * @copydoc Dali::Toolkit::Alignment::GetPadding()
  79    */
  80   const Toolkit::Alignment::Padding& GetPadding() const;
  81
  82
  83 private: // From Control
  84
  85   /**
  86    * @copydoc Control::OnInitialize()
  87    */
  88   virtual void OnInitialize() override;
  89
  90   /**
  91    * @copydoc Control::OnRelayout()
  92    */
  93   void OnRelayout( const Vector2& size, RelayoutContainer& container ) override;
  94
  95 private:
  96
  97   /**
  98    * Constructor.
  99    * It initializes Alignment members.
 100    */
 101   Alignment( Toolkit::Alignment::Type horizontal, Toolkit::Alignment::Type vertical );
 102
 103   /**
 104    * A reference counted object may only be deleted by calling Unreference()
 105    */
 106   virtual ~Alignment();
 107
 108 private:
 109
 110   // Undefined
 111   Alignment(const Alignment&);
 112   Alignment& operator=(const Alignment&);
 113
 114 private:
 115   Toolkit::Alignment::Type    mHorizontal; ///< Type of alignment.
 116   Toolkit::Alignment::Type    mVertical;   ///< Type of alignment.
 117   Toolkit::Alignment::Scaling mScaling;    ///< Stores the geometry scaling.
 118   Toolkit::Alignment::Padding mPadding;    ///< Stores the padding values.
 119 };
 120
 121 } // namespace Internal
 122
 123
 124 // Helpers for public-api forwarding methods
 125
 126 inline Toolkit::Internal::Alignment& GetImpl( Toolkit::Alignment& alignment )
 127 {
 128   DALI_ASSERT_ALWAYS( alignment );
 129
 130   Dali::RefObject& handle = alignment.GetImplementation();
 131
 132   return static_cast<Toolkit::Internal::Alignment&>( handle );
 133 }
 134
 135 inline const Toolkit::Internal::Alignment& GetImpl( const Toolkit::Alignment& alignment )
 136 {
 137   DALI_ASSERT_ALWAYS( alignment );
 138
 139   const Dali::RefObject& handle = alignment.GetImplementation();
 140
 141   return static_cast<const Toolkit::Internal::Alignment&>( handle );
 142 }
 143
 144 } // namespace Toolkit
 145
 146 } // namespace Dali
 147
 148 #endif // DALI_TOOLKIT_INTERNAL_ALIGNMENT_H