NUISamples/NUISamples/NUISamples.TizenTV/firstscreen/FocusEffect.cs

   1 using Tizen.NUI;
   2 using Tizen.NUI.Constants;
   3 using Tizen.NUI.BaseComponents;
   4 using System;
   5 using System.Collections.Generic;
   6
   7 namespace FirstScreen
   8 {
   9     public class FocusEffect : IFocusEffect
  10     {
  11         private float _frameThickness;
  12         private FocusData[] _focusData; // Each FocusData is used for one key frame animation (total 6 key frame animations needed for EddenEffect)
  13         private Animation _animation;   // Animation used to apply all six key frame animations
  14
  15         public FocusEffect()
  16         {
  17             _frameThickness = 10.0f;
  18             float _bottomFrameTime = 0.6f; // complete the halo/bottom animation 60% of the way through
  19             float _sideFrameTime = 0.8f;   // Start the side frame  animation after the bottom animation and complete at 80% of the way through
  20             float _topFrameTime = 1.0f;    // start the top frame animation after the side frame animation and complete at 100% way through
  21
  22             // Six key frame animations (FocusData objects) needed for EddenEffect
  23             // Two key frame animations for top horizontal effect
  24             // Two key frame animations for bottom horizontal effect
  25             // Two key frame animations for vertical horizontal effect
  26             _focusData = new FocusData[6];
  27
  28             FocusData focusData = new FocusData("halo", "halo.png", FocusData.Direction.Horizontal, ParentOrigin.TopCenter,
  29                                                 new Size(50.0f, 20.0f, 0.0f), new Size(0.0f, 100.0f, 0.0f), 0.0f, _bottomFrameTime);
  30             _focusData[0] = focusData;
  31
  32             focusData = new FocusData("bottom", "horizontalFrame.png", FocusData.Direction.Horizontal, ParentOrigin.TopCenter,
  33                                       new Size(0.0f, 0.0f, 0.0f), new Size(0.0f, _frameThickness, 0.0f), 0.0f, _bottomFrameTime);
  34             _focusData[1] = focusData;
  35
  36             focusData = new FocusData("left", "verticalFrame.png", FocusData.Direction.Vertical, ParentOrigin.BottomLeft,
  37                                       new Size(0.0f, 0.0f, 0.0f), new Size(_frameThickness, 0.0f, 0.0f), _bottomFrameTime, _sideFrameTime);
  38             _focusData[2] = focusData;
  39
  40             focusData = new FocusData("right", "verticalFrame.png", FocusData.Direction.Vertical, ParentOrigin.BottomRight,
  41                                       new Size(0.0f, 0.0f, 0.0f), new Size(_frameThickness, 0.0f, 0.0f), _bottomFrameTime, _sideFrameTime);
  42             _focusData[3] = focusData;
  43
  44             focusData = new FocusData("top-left", "horizontalFrame.png", FocusData.Direction.Horizontal, ParentOrigin.BottomLeft,
  45                                       new Size(0.0f, 0.0f, 0.0f), new Size(0.0f, _frameThickness, 0.0f), _sideFrameTime, _topFrameTime);
  46             _focusData[4] = focusData;
  47
  48             focusData = new FocusData("top-right", "horizontalFrame.png", FocusData.Direction.Horizontal, ParentOrigin.BottomRight,
  49                                       new Size(0.0f, 0.0f, 0.0f), new Size(0.0f, _frameThickness, 0.0f), _sideFrameTime, _topFrameTime);
  50             _focusData[5] = focusData;
  51         }
  52
  53         public void FocusAnimation(View parentItem, Size itemSize, int duration, FocusEffectDirection direction)
  54         {
  55             var itemWidth = itemSize.Width + _frameThickness / 2;
  56             var itemHeight = itemSize.Height + _frameThickness / 3;
  57
  58             if (_animation)
  59             {
  60                 _animation.Clear();
  61                 _animation.Reset();
  62             }
  63
  64             _animation = new Animation(duration);
  65             _animation.Duration = duration;
  66
  67             if (direction == FocusEffectDirection.BottomToTop)
  68             {
  69                 _focusData[0].ParentOrigin = ParentOrigin.BottomCenter;
  70                 _focusData[1].ParentOrigin = ParentOrigin.BottomCenter;
  71                 _focusData[2].ParentOrigin = ParentOrigin.BottomLeft;
  72                 _focusData[3].ParentOrigin = ParentOrigin.BottomRight;
  73                 _focusData[4].ParentOrigin = ParentOrigin.TopLeft;
  74                 _focusData[5].ParentOrigin = ParentOrigin.TopRight;
  75             }
  76             else
  77             {
  78                 _focusData[0].ParentOrigin = ParentOrigin.TopCenter;
  79                 _focusData[1].ParentOrigin = ParentOrigin.TopCenter;
  80                 _focusData[2].ParentOrigin = ParentOrigin.BottomLeft;
  81                 _focusData[3].ParentOrigin = ParentOrigin.BottomRight;
  82                 _focusData[4].ParentOrigin = ParentOrigin.BottomLeft;
  83                 _focusData[5].ParentOrigin = ParentOrigin.BottomRight;
  84             }
  85
  86             foreach (FocusData focusData in _focusData)
  87             {
  88                 var currentParent = focusData.ImageItem.Parent;
  89
  90                 // first parent the controls
  91                 if (parentItem != currentParent)
  92                 {
  93                     parentItem.Add(focusData.ImageItem);
  94                 }
  95
  96                 focusData.ImageItem.Size = new Size(100.0f, 100.0f, 0.0f);
  97                 parentItem.Add(focusData.ImageItem);
  98
  99                 Size targetSize = focusData.TargetSize;
 100                 Size initSize = focusData.InitSize;
 101
 102                 if (focusData.FocusDirection == FocusData.Direction.Horizontal)
 103                 {
 104                     // adjust the width to match the parent
 105                     targetSize.Width = itemWidth;
 106                 }
 107                 else // vertical frame
 108                 {
 109                     // adjust the height to match the parent
 110                     targetSize.Height = itemHeight;
 111                 }
 112
 113                 // half the size for the top frame as we come out from both left / right sides
 114                 if (focusData.Name == "top-right" || focusData.Name == "top-left")
 115                 {
 116                     targetSize.Width = itemWidth - _frameThickness;
 117                 }
 118
 119                 KeyFrames keyFrames = new KeyFrames();
 120
 121                 keyFrames.Add(0.0f, initSize);
 122                 keyFrames.Add(focusData.KeyFrameStart, initSize);
 123                 keyFrames.Add(focusData.KeyFrameEnd, targetSize);
 124
 125                 // for halo add an extra keyframe to shrink it ( in 20% of time after it has finished)
 126                 if (focusData.Name == "halo")
 127                 {
 128                     keyFrames.Add(focusData.KeyFrameEnd + 0.2f, initSize);
 129                 }
 130
 131                 _animation.AnimateBetween(focusData.ImageItem, "Size", keyFrames, Animation.Interpolation.Linear, new AlphaFunction(AlphaFunction.BuiltinFunctions.EaseOutSine));
 132
 133                 // Simulate the vertical frame growing from the top.
 134                 // Vertical items are anchored to the bottom of the parent... so when they grow
 135                 // we need to move them to the middle of the parent ( otherwise they stick out the bottom)
 136                 if (focusData.FocusDirection == FocusData.Direction.Vertical)
 137                 {
 138                     //animate position as well so it looks like animation is coming from bottom
 139                     KeyFrames keyFramesV = new KeyFrames();
 140
 141                     if (direction == FocusEffectDirection.BottomToTop)
 142                     {
 143                         keyFramesV.Add(0.0f, 0.0f);
 144                         keyFramesV.Add(focusData.KeyFrameStart, 0.0f);
 145                     }
 146                     else
 147                     {
 148                         keyFramesV.Add(0.0f, -itemHeight);
 149                         keyFramesV.Add(focusData.KeyFrameStart, -itemHeight);
 150                     }
 151
 152                     keyFramesV.Add(focusData.KeyFrameEnd, (-itemHeight / 2)); // animate to halfway up the control
 153
 154
 155                     _animation.AnimateBetween(focusData.ImageItem, "PositionY", keyFramesV, Animation.Interpolation.Linear, new AlphaFunction(AlphaFunction.BuiltinFunctions.EaseOutSine));
 156
 157
 158                 }
 159
 160                 // Simulate the top frame growing from the sides.
 161                 if (focusData.Name == "top-left")
 162                 {
 163                     KeyFrames keyFramesTL = new KeyFrames();
 164
 165                     keyFramesTL.Add(0.0f, 0.0f);
 166                     keyFramesTL.Add(focusData.KeyFrameStart, 0.0f);
 167                     keyFramesTL.Add(focusData.KeyFrameEnd, (itemWidth / 2)); // animate to halfway up the control
 168
 169                     // grow these from the left or right
 170                     _animation.AnimateBetween(focusData.ImageItem, "PositionX", keyFramesTL, Animation.Interpolation.Linear, new AlphaFunction(AlphaFunction.BuiltinFunctions.EaseOutSine));
 171
 172
 173                 }
 174
 175                 if (focusData.Name == "top-right")
 176                 {
 177                     KeyFrames keyFramesTR = new KeyFrames();
 178
 179                     keyFramesTR.Add(0.0f, 0.0f);
 180                     keyFramesTR.Add(focusData.KeyFrameStart, 0.0f);
 181                     keyFramesTR.Add(focusData.KeyFrameEnd, (-itemWidth / 2)); // animate to halfway up the control
 182
 183                     // grow these from the left or right
 184                     _animation.AnimateBetween(focusData.ImageItem, "PositionX", keyFramesTR, Animation.Interpolation.Linear, new AlphaFunction(AlphaFunction.BuiltinFunctions.EaseOutSine));
 185
 186                 }
 187
 188                 _animation.Finished += OnAnimationFinished;
 189
 190                 _animation.Play();
 191             }
 192         }
 193
 194         private void OnAnimationFinished(object source, EventArgs e)
 195         {
 196             foreach (FocusData focusData in _focusData)
 197             {
 198                 var currentParent = focusData.ImageItem.Parent;
 199
 200                 if (currentParent)
 201                 {
 202                     currentParent.Remove(focusData.ImageItem);
 203                 }
 204             }
 205         }
 206     }
 207 }