private void GetOwnerAndGenerator()
{
itemsOwner = ItemsControl.GetItemsOwner(this);
if (itemsOwner == null)
{
throw new InvalidOperationException("无法从 VirtualizingPanel 找到父 ItemsControl.");
}
if (!(itemsOwner is ListViewBase))
{
throw new InvalidOperationException("VirtualizingPanel 应该在 ListView.ItemsPanel 中被调用");
}
scrollOwner = VisualTreeExtension.GetParentObject <ScrollViewer>(itemsOwner, "PageScrollViewer");
if (scrollOwner == null)
{
throw new InvalidOperationException("无法从父 ItemsControl 找到 ScrollView");
}
itemContainerGenerator = itemsOwner.ItemContainerGenerator;
if (itemContainerGenerator == null)
{
throw new InvalidOperationException("无法获取 VirtualizingPanel 所属 ItemsControl 的 ItemContainerGenerator");
}
if (!isGeneratorHooked)
{
isGeneratorHooked = true;
scrollOwner.ViewChanging -= ScrollOwnerViewChanging;
scrollOwner.ViewChanging += ScrollOwnerViewChanging;
itemContainerGenerator.ItemsChanged -= ItemContainerGeneratorItemsChanged;
itemContainerGenerator.ItemsChanged += ItemContainerGeneratorItemsChanged;
}
}
protected override void OnMouseDoubleClick(MouseButtonEventArgs e)
{
var window = VisualTreeExtension.FindMdiWindow(this);
if (window != null && window.Container != null)
{
switch (window.WindowState)
{
case WindowState.Maximized:
window.Normalize();
break;
case WindowState.Normal:
window.Maximize();
break;
case WindowState.Minimized:
window.Normalize();
break;
default:
throw new InvalidOperationException("Unsupported WindowsState mode");
}
}
e.Handled = true;
}
private void OnMoveThumbDragDelta(object sender, DragDeltaEventArgs e)
{
var window = VisualTreeExtension.FindMdiWindow(this);
if (window != null)
{
if (window.WindowState == WindowState.Maximized)
{
window.Normalize();
}
if (window.WindowState != WindowState.Minimized)
{
window.LastLeft = Canvas.GetLeft(window);
window.LastTop = Canvas.GetTop(window);
var candidateLeft = window.LastLeft + e.HorizontalChange;
var candidateTop = window.LastTop + e.VerticalChange;
Canvas.SetLeft(window, Math.Min(Math.Max(0, candidateLeft), window.Container.ActualWidth - 25));
Canvas.SetTop(window, Math.Min(Math.Max(0, candidateTop), window.Container.ActualHeight - 25));
}
}
}
protected override void OnMouseDown(MouseButtonEventArgs e)
{
var window = VisualTreeExtension.FindMdiWindow(this);
if (window != null)
{
window.DoFocus(e);
}
base.OnMouseDown(e);
}
private void OnResizing(object sender, DragDeltaEventArgs e)
{
var window = VisualTreeExtension.FindMDIWindow(this);
if (window != null)
{
if (window.IsFocused == false)
{
window.Focus();
}
window.Height = window.ActualHeight;
window.Width = window.ActualWidth;
switch (this.VerticalAlignment)
{
case VerticalAlignment.Bottom:
var deltaVertical = Math.Min(-e.VerticalChange, window.ActualHeight - window.MinHeight);
window.Height -= deltaVertical;
break;
case VerticalAlignment.Top:
deltaVertical = Math.Min(e.VerticalChange, window.ActualHeight - window.MinHeight);
Canvas.SetTop(window, Canvas.GetTop(window) + deltaVertical);
window.Height -= deltaVertical;
break;
default:
break;
}
switch (this.HorizontalAlignment)
{
case HorizontalAlignment.Left:
var deltaHorizontal = Math.Min(e.HorizontalChange, window.ActualWidth - window.MinWidth);
Canvas.SetLeft(window, Canvas.GetLeft(window) + deltaHorizontal);
window.Width -= deltaHorizontal;
break;
case HorizontalAlignment.Right:
deltaHorizontal = Math.Min(-e.HorizontalChange, window.ActualWidth - window.MinWidth);
window.Width -= deltaHorizontal;
break;
default:
break;
}
}
e.Handled = true;
}
protected override void OnLostKeyboardFocus(KeyboardFocusChangedEventArgs e)
{
base.OnLostKeyboardFocus(e);
FrameworkElement parent = VisualTreeExtension.FindMdiWindow(e.NewFocus as FrameworkElement);
if ((e.NewFocus is MdiWindow && !Equals(e.NewFocus, this)) || (parent != null && !Equals(parent, this)))
{
IsSelected = false;
Panel.SetZIndex(this, 0);
var newWindow = (e.NewFocus is MdiWindow) ? (e.NewFocus as MdiWindow) : (parent as MdiWindow);
Container.SetValue(MdiContainer.SelectedItemProperty, newWindow.DataContext);
newWindow.IsSelected = true;
}
}
private void OnMoveThumbDragDelta(object sender, DragDeltaEventArgs e)
{
var window = VisualTreeExtension.FindMdiWindow(this);
if (window != null)
{
if (window.WindowState == WindowState.Maximized)
{
return;
}
Canvas.SetLeft(window, Math.Max(0, Canvas.GetLeft(window) + e.HorizontalChange));
Canvas.SetTop(window, Math.Max(0, Canvas.GetTop(window) + e.VerticalChange));
window.Container.InvalidateSize();
}
}
private void MenuListView_ItemClick(object sender, ItemClickEventArgs e)
{
var item = e.ClickedItem as FrameworkElement;
var parent = VisualTreeExtension.GetParentObject <ListViewItem>(item, "");
string tag = parent.Tag.ToString();
switch (tag)
{
case "Message":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Account.MessagePage));
break;
case "VideoDynamic":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Video.DynamicPage));
break;
case "MyAnime":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Account.FavoriteAnimePage), "anime");
break;
case "MyMovie":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Account.FavoriteAnimePage), "cinema");
break;
case "MyFavorite":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Account.FavoriteContainerPage), "Favorite");
break;
case "MyCollect":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Account.FavoriteContainerPage), "Collect");
break;
case "ViewLater":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Video.ViewLaterPage));
break;
case "History":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Video.HistoryPage));
break;
default:
break;
}
AccountFlyout.Hide();
}
/// <summary>
/// 播放视频列表
/// </summary>
/// <param name="aid">AV号</param>
/// <param name="videoList">播放列表</param>
public void PlayVideoList(int aid, object sender, List <VideoDetail> videoList)
{
CurrentSubPageControl.CheckSubReplyPage();
SelectedSideMenuItem = null;
if (sender != null && IsEnableAnimation)
{
var image = VisualTreeExtension.VisualTreeFindName <FrameworkElement>((FrameworkElement)sender, "VideoCover");
ConnectedAnimationService.GetForCurrentView().PrepareToAnimate("VideoConnectedAnimation", image);
}
if (App._isTabletMode)
{
CurrentTopPanel.SetSelectedItem(AppMenuItemType.Line);
TabletMainPage.Current.NavigateToPage(AppMenuItemType.VideoPlayer, new Tuple <int, List <VideoDetail> >(aid, videoList));
}
else
{
CurrentSidePanel.SetSelectedItem(AppMenuItemType.Line);
CurrentPagePanel.NavigateToPage(AppMenuItemType.VideoPlayer, new Tuple <int, List <VideoDetail> >(aid, videoList));
}
}
private void OnMoveThumbDragDelta(object sender, DragDeltaEventArgs e)
{
var window = VisualTreeExtension.FindMDIWindow(this);
if (window != null)
{
if (window.WindowState == WindowState.Maximized)
{
window.Normalize();
}
if (window.WindowState != WindowState.Minimized)
{
window.LastLeft = Canvas.GetLeft(window);
window.LastTop = Canvas.GetTop(window);
Canvas.SetLeft(window, window.LastLeft + e.HorizontalChange);
Canvas.SetTop(window, window.LastTop + e.VerticalChange);
}
}
}
private void MdiWindow_Loaded(object sender, RoutedEventArgs e)
{
MdiWindow window = sender as MdiWindow;
var content = VisualTreeExtension.FindContent(window);
if (content != null)
{
window.MinHeight = content.MinHeight + Content_Height_Margin;
window.MinWidth = content.MinWidth + Content_Width_Margin;
window.Height = Math.Max(content.ActualHeight + Content_Height_Margin, ActualHeight);
window.Width = Math.Max(content.ActualWidth + Content_Width_Margin, ActualWidth);
if (window.PreviousHeight == 0)
{
window.PreviousHeight = window.Height;
}
if (window.PreviousWidth == 0)
{
window.PreviousWidth = window.Width;
}
}
}
/// <summary>
/// 播放番剧
/// </summary>
/// <param name="epid">AV号</param>
/// <param name="sender">触发控件（用于查找封面以实现连接动画）</param>
public void PlayBangumi(int epid, object sender = null, bool isEp = false)
{
CurrentSubPageControl.CheckSubReplyPage();
SelectedSideMenuItem = null;
if (sender != null && IsEnableAnimation)
{
var image = VisualTreeExtension.VisualTreeFindName <FrameworkElement>((FrameworkElement)sender, "VideoCover");
if (image != null)
{
string animationName = "BangumiConnectedAnimation" + Guid.NewGuid().ToString("N");
ConnectAnimationName = animationName;
ConnectedAnimationService.GetForCurrentView().PrepareToAnimate(animationName, image);
}
else
{
ConnectAnimationName = "";
}
}
if (App._isTabletMode)
{
CurrentTopPanel.SetSelectedItem(AppMenuItemType.Line);
TabletMainPage.Current.NavigateToPage(AppMenuItemType.VideoPlayer, new Tuple <int, bool>(epid, isEp));
}
else
{
CurrentSidePanel.SetSelectedItem(AppMenuItemType.Line);
if (isEp)
{
CurrentPagePanel.NavigateToPage(AppMenuItemType.BangumiPlayer, new Tuple <int, bool>(epid, isEp));
}
else
{
CurrentPagePanel.NavigateToPage(AppMenuItemType.BangumiPlayer, epid);
}
}
}
