src/Tizen.NUI/src/internal/FrameBroker/DefaultFrameBroker.cs

   1 /*
   2  * Copyright (c) 2021 Samsung Electronics Co., Ltd All Rights Reserved
   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 using System;
  18 using Tizen.NUI.BaseComponents;
  19
  20 namespace Tizen.NUI
  21 {
  22     internal class DefaultFrameBroker : FrameBrokerBase
  23     {
  24         private Window window;
  25         private ImageView providerImage;
  26         private bool isAnimating;
  27
  28         public delegate void AnimationEventHandler(bool direction);
  29         internal event AnimationEventHandler AnimationInitialized;
  30         internal event AnimationEventHandler AnimationFinished;
  31
  32         internal View mainView;
  33         private bool direction;
  34
  35         internal Animation animation;
  36
  37         internal DefaultFrameBroker(Window window) : base(window)
  38         {
  39             this.window = window;
  40             isAnimating = false;
  41         }
  42
  43         protected override void OnFrameResumed(FrameData frame)
  44         {
  45             base.OnFrameResumed(frame);
  46
  47             direction = frame.DirectionForward;
  48
  49             if (isAnimating)
  50             {
  51                 return;
  52             }
  53             isAnimating = true;
  54
  55             AnimationInitialized?.Invoke(frame.DirectionForward);
  56
  57             if (frame.DirectionForward)
  58             {
  59                 PlayAnimateTo(frame, ForwardAnimation);
  60             }
  61             else
  62             {
  63                 PlayAnimateTo(frame, BackwardAnimation);
  64             }
  65
  66             StartAnimation();
  67         }
  68
  69         protected override void OnFramePaused()
  70         {
  71             base.OnFramePaused();
  72             animation?.Stop();
  73
  74             ResetImage();
  75
  76             isAnimating = false;
  77         }
  78
  79         private void PlayAnimateTo(FrameData frame, TransitionAnimation transition)
  80         {
  81             if (transition != null)
  82             {
  83                 //ResetImage();
  84                 if (!providerImage)
  85                 {
  86                     providerImage = new ImageView(transition.DefaultImageStyle);
  87                     providerImage.ParentOrigin = transition.DefaultImageStyle.ParentOrigin;
  88                     providerImage.PivotPoint = transition.DefaultImageStyle.PivotPoint;
  89                     providerImage.PositionUsesPivotPoint = true;
  90                     providerImage.AddRenderer(GetRenderer(frame));
  91                     if (mainView)
  92                     {
  93                         mainView.Add(providerImage);
  94                         providerImage.LowerToBottom();
  95                     }
  96                     else
  97                     {
  98                         window.Add(providerImage);
  99                     }
 100                 }
 101                 else
 102                 {
 103                     providerImage.ApplyStyle(transition.DefaultImageStyle.Clone());
 104                 }
 105
 106                 providerImage.Show();
 107                 int propertyCount = transition.AnimationDataList.Count;
 108                 animation = new Animation(transition.DurationMilliSeconds+80);
 109
 110                 for (int i = 0; i < propertyCount; i++)
 111                 {
 112                     animation.PropertyList.Add(transition.AnimationDataList[i].Property);
 113                     animation.DestValueList.Add(transition.AnimationDataList[i].DestinationValue);
 114                     animation.StartTimeList.Add(80 +transition.AnimationDataList[i].StartTime);
 115                     animation.EndTimeList.Add(80 +transition.AnimationDataList[i].EndTime);
 116                 }
 117                 animation.PlayAnimateTo(providerImage);
 118                 animation.Finished += Ani_Finished;
 119             }
 120             else
 121             {
 122                 FinishAnimation();
 123             }
 124         }
 125
 126
 127         private TransitionAnimation forwardAnimation;
 128         internal TransitionAnimation ForwardAnimation
 129         {
 130             get
 131             {
 132                 return forwardAnimation;
 133             }
 134             set
 135             {
 136                 forwardAnimation = value;
 137             }
 138         }
 139
 140         private TransitionAnimation backwardAnimation;
 141         internal TransitionAnimation BackwardAnimation
 142         {
 143             get
 144             {
 145                 return backwardAnimation;
 146             }
 147             set
 148             {
 149                 backwardAnimation = value;
 150             }
 151         }
 152
 153         private void Ani_Finished(object sender, EventArgs e)
 154         {
 155             FinishAnimation();
 156
 157             AnimationFinished?.Invoke(direction);
 158         }
 159
 160         private void ResetImage()
 161         {
 162             if (providerImage != null)
 163             {
 164                 providerImage.Hide();
 165                 //providerImage.Unparent();
 166                 //providerImage.Dispose();
 167                 //providerImage = null;
 168             }
 169         }
 170     }
 171 }