dali-toolkit/internal/controls/navigation-frame/navigation-bar.cpp

   1 /*
   2  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include "navigation-bar.h"
  20
  21 // EXTERNAL INCLUDES
  22
  23 // INTERNAL INCLUDES
  24
  25
  26 namespace Dali
  27 {
  28
  29 namespace Toolkit
  30 {
  31
  32 namespace Internal
  33 {
  34
  35 NavigationBar::NavigationBar(NavigationControl& naviControl,
  36                              Toolkit::BasicNaviBarStyle barStylePortrait,
  37                              Toolkit::BasicNaviBarStyle barStyleLandscape )
  38 :mInternalNavigationControl( naviControl ),
  39  mBasicStylePortrait( barStylePortrait ),
  40  mBasicStyleLandscape( barStyleLandscape ),
  41  mBasicCurrentStyle( &mBasicStylePortrait ),
  42  mIsPortrait( true ),
  43  mVisible( true )
  44 {
  45   mInternalNavigationControl.ItemPushedSignal().Connect( this, &NavigationBar::OnItemPushed );
  46   mInternalNavigationControl.ItemPoppedSignal().Connect( this, &NavigationBar::OnItemPopped );
  47
  48   mLayout = Toolkit::TableView::New(1,3);
  49   mInternalNavigationControl.GetBarLayer().Add(mLayout);
  50   mLayout.SetSize(mBasicCurrentStyle->referenceWidth, mBasicCurrentStyle->height);
  51   mLayout.SetFixedHeight(0, mBasicCurrentStyle->height);
  52   mLayout.SetDrawMode(DrawMode::OVERLAY);
  53
  54   SetBackground( mBasicCurrentStyle->background );
  55 }
  56
  57 NavigationBar::~NavigationBar()
  58 {
  59 }
  60
  61 void NavigationBar::ScaleStyleUpdate( Vector2 naviControlSize, int orientation )
  62 {
  63   bool isPortrait( orientation == 0 || orientation == 180 );
  64   // change in orientation.
  65   if(mIsPortrait != isPortrait)
  66   {
  67     mIsPortrait = isPortrait;
  68     mBasicCurrentStyle = isPortrait ? &mBasicStylePortrait : &mBasicStyleLandscape;
  69     OrientationUpdate( isPortrait );
  70     mLayout.SetSize(mBasicCurrentStyle->referenceWidth, mBasicCurrentStyle->height);
  71     mLayout.SetFixedHeight(0, mBasicCurrentStyle->height);
  72     if(mBackground)
  73     {
  74       mBackground.SetSize(mBasicCurrentStyle->referenceWidth, mBasicCurrentStyle->height);
  75     }
  76   }
  77
  78   mRelativeScale = naviControlSize.x / static_cast<float>( mBasicCurrentStyle->referenceWidth);
  79   mLayout.SetScale(mRelativeScale);
  80   mBarHeight = mBasicCurrentStyle->height * mRelativeScale;
  81   if(mBackground)
  82   {
  83     mBackground.SetScale(mRelativeScale);
  84   }
  85 }
  86
  87 float NavigationBar::GetBarHeight() const
  88 {
  89   if( mVisible )
  90   {
  91     return mBarHeight;
  92   }
  93   else
  94   {
  95     return 0.0f;
  96   }
  97 }
  98
  99 void NavigationBar::SetBackground( Actor background )
 100 {
 101   mBackground = background;
 102   mBackground.SetSize(mBasicCurrentStyle->referenceWidth, mBasicCurrentStyle->height);
 103   mInternalNavigationControl.GetBarLayer().Add( mBackground );
 104   mBackground.SetScale(mRelativeScale);
 105 }
 106
 107 void NavigationBar::OnItemPushed( Toolkit::NavigationControl naviControl, Toolkit::Page naviItem )
 108 {
 109   mCurrentItem = naviItem;
 110   Update( mCurrentItem );
 111 }
 112
 113 void NavigationBar::OnItemPopped( Toolkit::NavigationControl naviControl, Toolkit::Page naviItem )
 114 {
 115   mCurrentItem = mInternalNavigationControl.GetCurrentItem();
 116   Update( mCurrentItem );
 117 }
 118
 119 } // namespace Internal
 120
 121 } // namespace Toolkit
 122
 123 } // namespace Dali