public MainPage()
{
this.InitializeComponent();
c = new Conf();
top50 = new PixivTop50();
like = new PixivLike();
timer = new DispatcherTimer();
timer.Interval = TimeSpan.FromMinutes(c.time);
timer.Tick += Timer_Tick;
timer.Start();
li_uptimer = new DispatcherTimer();
li_uptimer.Interval = TimeSpan.FromHours(1);
li_uptimer.Tick += Li_uptimer_Tick;
li_uptimer.Start();
if (c.lastImg != null)
{
ImageBrush br = new ImageBrush();
br.Stretch = Stretch.UniformToFill;
br.AlignmentX = AlignmentX.Left;
br.AlignmentY = AlignmentY.Top;
br.ImageSource = new BitmapImage(new Uri("ms-appdata:///local/" + c.lastImg.imgId));
gr.Background = br;
}
else
{
ImageBrush br = new ImageBrush();
br.Stretch = Stretch.UniformToFill;
br.AlignmentX = AlignmentX.Left;
br.AlignmentY = AlignmentY.Top;
br.ImageSource = new BitmapImage(new Uri("ms-appx:///Res/62258773_p0.png"));
gr.Background = br;
}
main.Navigate(typeof(ShowPage));
}
/// <summary>
/// 作品更新并显示
/// </summary>
public async Task <bool> update()
{
//timer.Stop();
switch (c.mode)
{
case "Top_50":
if (top50 == null)
{
top50 = new PixivTop50();
}
await Task.Run(async() => { img = await top50.SelectArtWork(); });
break;
case "You_Like_V1":
if (like == null)
{
like = new PixivLike();
}
await Task.Run(async() => { img = await like.SelectArtWorkV1(); });
break;
case "You_Like_V2":
if (like == null)
{
like = new PixivLike();
}
img = await like.SelectArtWorkV2(); //该API在UI线程被建立，不支持从子线程调用
break;
default:
if (top50 == null)
{
top50 = new PixivTop50();
}
await Task.Run(async() => { img = await top50.SelectArtWork(); });
break;
}
if (img != null)
{
c.lastImg = img;
main.Navigate(typeof(ShowPage));//图片展示页面更新
if (backgroundMode.Equals("BackgroundTask"))
{
RegistTask(); //重新申请后台计时触发器
}
else
{
timer.Interval = TimeSpan.FromMinutes(c.time);
timer.Start();
}
return(true);
}
else
{
return(false);
}
}
