public async void StartSyncing(string playlistName)
{
int LocalIndex = LocalPlaylists.FindIndex(x => x.Name == playlistName);
if (LocalIndex != -1)
{
LocalPlaylists.RemoveAt(LocalIndex);
adapter.NotifyItemRemoved(LocalIndex);
if (LocalPlaylists.Count == 1)
{
LocalPlaylists.Add(new PlaylistItem("EMPTY", -1)
{
Owner = Resources.GetString(Resource.String.local_playlist_empty)
});
adapter.NotifyItemInserted(1);
}
await Task.Delay(500);
}
int YoutubeIndex = YoutubePlaylists.FindIndex(x => x.Name == playlistName);
if (YoutubeIndex != -1)
{
YoutubePlaylists[YoutubeIndex].SyncState = SyncState.Loading;
PlaylistHolder holder = (PlaylistHolder)ListView.GetChildViewHolder(ListView.GetChildAt(LocalPlaylists.Count + YoutubeIndex));
holder.sync.Visibility = ViewStates.Gone;
holder.SyncLoading.Visibility = ViewStates.Visible;
}
}
/// <summary>
/// 单击事件
/// </summary>
/// <returns><c>true</c>, if single tap up was oned, <c>false</c> otherwise.</returns>
/// <param name="e">E.</param>
public override bool OnSingleTapUp(MotionEvent e)
{
View child = m_RecyclerView.FindChildViewUnder(e.GetX(), e.GetY());
if (child != null)
{
RecyclerView.ViewHolder vh = m_RecyclerView.GetChildViewHolder(child);
int position = vh.LayoutPosition;
if (m_IRecyclerViewClickListerner != null)
{
m_IRecyclerViewClickListerner.OnItemClick(child, position);
}
}
return(true);
}
public override void OnDraw(Canvas c, RecyclerView parent, RecyclerView.State state)
{
var left = parent.Left;
var right = parent.Right;
var childCount = parent.ChildCount;
ViewHolder prevHolder = null;
for (var i = 0; i < childCount; i++)
{
var child = parent.GetChildAt(i);
var holder = parent.GetChildViewHolder(child) as ViewHolder;
if (prevHolder != null && prevHolder is IHeaderViewHolder && !_settingsView.ShowSectionTopBottomBorder ||
holder is IFooterViewHolder && !_settingsView.ShowSectionTopBottomBorder ||
holder is IFooterViewHolder && !holder.RowInfo.Section.Any() ||
holder is IHeaderViewHolder ||
!SectionIsVisible(holder?.RowInfo.Section) ||
!CellIsVisible(holder?.RowInfo.Cell))
{
prevHolder = holder;
continue;
}
var bottom = child.Top;
var top = bottom - _drawable.IntrinsicHeight;
_drawable.SetBounds(left, top, right, bottom);
_drawable.Draw(c);
prevHolder = holder;
}
}
public override void GetItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state)
{
base.GetItemOffsets(outRect, view, parent, state);
var holder = parent.GetChildViewHolder(view);
var position = holder.BindingAdapterPosition;
if (parent.GetAdapter() is IReadOnlyViewModels <object> viewModels)
{
var count = viewModels.ViewModels.Count;
if (count == 0)
{
return;
}
else if (position == 0)
{
if (!noTop)
{
outRect.Top = height;
}
}
if (position < viewModels.ViewModels.Count - 1)
{
outRect.Bottom = height;
}
else
{
outRect.Bottom = PaddingBottomWithHeight ? paddingBottom + height : (paddingBottom == 0 ? height : paddingBottom);
}
}
}
public override void GetItemOffsets(Rect outRect, Android.Views.View view, RecyclerView parent, RecyclerView.State state)
{
var holder = parent.GetChildViewHolder(view) as ContentViewHolder;
var position = parent.GetChildAdapterPosition(view);
var realPosition = position;
if (_renderer._hCollectionView.IsInfinite)
{
realPosition = _renderer.Adapter.GetRealPosition(position);
}
if (holder.IsHeader)
{
outRect.Right = _renderer._firstSpacing;
if (position != 0)
{
outRect.Left = _renderer._lastSpacing;
}
return;
}
if (position == 0 || _renderer.Adapter.FirstSectionItems.Contains(realPosition))
{
return;
}
outRect.Left = _renderer._spacing;
}
public override void GetItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state)
{
base.GetItemOffsets(outRect, view, parent, state);
var holder = parent.GetChildViewHolder(view);
if (holder is IReadOnlyViewFor <IReadOnlyItemViewGroup> vf)
{
var lastPosition = holder.BindingAdapterPosition - 1;
if (lastPosition >= 0 && parent.GetAdapter() is
IReadOnlyViewModels <IReadOnlyItemViewGroup> viewModels)
{
var list = viewModels.ViewModels;
if (lastPosition < list.Count)
{
var nextItem = list[lastPosition];
if (vf.ViewModel?.ItemViewGroup != nextItem?.ItemViewGroup)
{
// 根据视图模型中的组判断上一个元素是否和当前元素的组值相同，不同则在顶部添加高度实现间距
outRect.Top = height;
}
}
}
}
}
public override void GetItemOffsets(ARect outRect, AView view, RecyclerView parent, RecyclerView.State state)
{
base.GetItemOffsets(outRect, view, parent, state);
if (_adjustedVerticalSpacing == -1)
{
_adjustedVerticalSpacing = (int)parent.Context.ToPixels(_verticalSpacing);
}
if (_adjustedHorizontalSpacing == -1)
{
_adjustedHorizontalSpacing = (int)parent.Context.ToPixels(_horizontalSpacing);
}
var itemViewType = parent.GetChildViewHolder(view).ItemViewType;
if (itemViewType == ItemViewType.Header)
{
if (_orientation == ItemsLayoutOrientation.Vertical)
{
outRect.Bottom = _adjustedVerticalSpacing;
}
else
{
outRect.Right = _adjustedHorizontalSpacing;
}
return;
}
if (itemViewType == ItemViewType.Footer)
{
return;
}
var spanIndex = 0;
if (view.LayoutParameters is GridLayoutManager.LayoutParams gridLayoutParameters)
{
spanIndex = gridLayoutParameters.SpanIndex;
}
var spanGroupIndex = GetSpanGroupIndex(view, parent);
if (_orientation == ItemsLayoutOrientation.Vertical)
{
outRect.Left = spanIndex == 0 ? 0 : _adjustedHorizontalSpacing;
outRect.Top = spanGroupIndex == 0 ? 0 : _adjustedVerticalSpacing;
}
if (_orientation == ItemsLayoutOrientation.Horizontal)
{
outRect.Top = spanIndex == 0 ? 0 : _adjustedVerticalSpacing;
outRect.Left = spanGroupIndex == 0 ? 0 : _adjustedHorizontalSpacing;
}
}
public override void GetItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state)
{
var holder = parent.GetChildViewHolder(view) as ViewHolder;
if (!CellIsVisible(holder?.RowInfo.Cell))
{
return;
}
outRect.Set(0, _drawable.IntrinsicHeight, 0, 0);
}
public override void GetItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state)
{
base.GetItemOffsets(outRect, view, parent, state);
var holder = parent.GetChildViewHolder(view);
var position = holder.BindingAdapterPosition;
if (parent.GetAdapter() is IReadOnlyViewModels <object> viewModels)
{
if (position < viewModels.ViewModels.Count - 1)
{
// 除了末尾项之外，底部添加相同的间距
outRect.Bottom = height;
}
}
}
public override void OnDraw(Canvas c, RecyclerView parent, RecyclerView.State state)
{
var childCount = parent.ChildCount;
if (childCount == 0)
{
return;
}
for (int i = 0; i + 1 < childCount; i++)
{
var child = parent.GetChildAt(i);
var viewHolder = parent.GetChildViewHolder(child);
Type type = viewHolder.GetType();
object[] attributes = type.GetCustomAttributes(typeof(ShadowAttribute), false);
if (attributes.Length != 1)
{
continue;
}
ShadowAttribute shadowAttr = attributes [0] as ShadowAttribute;
if (ShouldDraw(child) && shadowAttr != null)
{
var m = shadowAttr.Modes;
var left = parent.PaddingLeft;
var right = child.Right + child.PaddingRight;
if (m.HasFlag(top) && topShadowHeightInPixels > 0 && parent.GetChildAdapterPosition(child) != 0)
{
var shadowBottom = child.Top + topShadowHeightInPixels;
shadow.SetBounds(left, child.Top, right, shadowBottom);
shadow.Draw(c);
}
if (m.HasFlag(bottom) && bottomShadowHeightInPixels > 0)
{
var reverseShadowTop = child.Bottom - bottomShadowHeightInPixels;
reverseShadow.SetBounds(left, reverseShadowTop, right, child.Bottom);
reverseShadow.Draw(c);
}
}
}
}
internal void ResolveItem(float x, float y)
{
_touchedView = _recyclerView.FindChildViewUnder(x, y);
if (_touchedView == null)
{
//no child under
_frontView = null;
return;
}
// check if the view is being animated. in that case do not allow to move it
if (RunningAnimationsOn.Contains(_touchedView))
{
_frontView = null;
return;
}
InitViewForItem((SwipeViewHolder <M>)_recyclerView.GetChildViewHolder(_touchedView));
}
public override void GetItemOffsets(Rect outRect, Android.Views.View view, RecyclerView parent, RecyclerView.State state)
{
var holder = parent.GetChildViewHolder(view) as ContentViewHolder;
var position = parent.GetChildAdapterPosition(view);
var realPosition = position;
if (_renderer._hCollectionView.IsInfinite)
{
realPosition = _renderer.Adapter.GetRealPosition(position);
}
if (holder.IsHeader)
{
outRect.Right = _renderer._firstSpacing;
if (position != 0)
{
outRect.Left = _renderer._lastSpacing;
}
return;
}
// Disabled grouping first spacing is applied at the first cell.
if (!_renderer._hCollectionView.IsGroupingEnabled && position == 0)
{
outRect.Left = _renderer._firstSpacing;
}
// Group last or single last spacing is applied at the last cell.
if (position == _renderer.Adapter.ItemCount - 1)
{
outRect.Right = _renderer._lastSpacing;
}
if (position == 0 || _renderer.Adapter.FirstSectionItems.Contains(realPosition))
{
return;
}
outRect.Left = _renderer._spacing;
}
public override void OnDraw (Canvas c, RecyclerView parent, RecyclerView.State state)
{
var childCount = parent.ChildCount;
if (childCount == 0) {
return;
}
for (int i = 0; i+1 < childCount; i++) {
var child = parent.GetChildAt (i);
var viewHolder = parent.GetChildViewHolder (child);
Type type = viewHolder.GetType ();
object[] attributes = type.GetCustomAttributes (typeof (ShadowAttribute), false);
if (attributes.Length != 1) {
continue;
}
ShadowAttribute shadowAttr = attributes [0] as ShadowAttribute;
if (ShouldDraw (child) && shadowAttr != null) {
var m = shadowAttr.Modes;
var left = parent.PaddingLeft;
var right = child.Right + child.PaddingRight;
if (m.HasFlag (top) && topShadowHeightInPixels > 0 && parent.GetChildAdapterPosition (child) != 0) {
var shadowBottom = child.Top + topShadowHeightInPixels;
shadow.SetBounds (left, child.Top, right, shadowBottom);
shadow.Draw (c);
}
if (m.HasFlag (bottom) && bottomShadowHeightInPixels > 0) {
var reverseShadowTop = child.Bottom - bottomShadowHeightInPixels;
reverseShadow.SetBounds (left, reverseShadowTop, right, child.Bottom);
reverseShadow.Draw (c);
}
}
}
}
public override void OnDraw(Canvas c, RecyclerView parent, RecyclerView.State state)
{
int left = parent.Left;
int right = parent.Right;
int childCount = parent.ChildCount;
CustomViewHolder?prevHolder = null;
for (var i = 0; i < childCount; i++)
{
View?child = parent.GetChildAt(i);
if (child is null)
{
continue;
}
if (!(parent.GetChildViewHolder(child) is CustomViewHolder holder))
{
continue;
}
if (holder.RowInfo is null)
{
continue;
}
if ((prevHolder is IHeaderViewHolder && !_SettingsView.ShowSectionTopBottomBorder) ||
(holder is IFooterViewHolder && !_SettingsView.ShowSectionTopBottomBorder) ||
(holder is IFooterViewHolder && !holder.RowInfo.Section.Any()) ||
(holder is IHeaderViewHolder || !holder.RowInfo.Section.IsVisible))
{
prevHolder = holder;
continue;
}
int bottom = child.Top;
int top = bottom - _Drawable.IntrinsicHeight;
_Drawable.SetBounds(left, top, right, bottom);
_Drawable.Draw(c);
prevHolder = holder;
}
}
public void RefreshCurrent()
{
System.Console.WriteLine("&Queue current refreshing, isPlaying: " + MusicPlayer.isRunning);
ListView.InvalidateItemDecorations();
int first = ((LinearLayoutManager)ListView.GetLayoutManager()).FindFirstVisibleItemPosition();
int last = ((LinearLayoutManager)ListView.GetLayoutManager()).FindLastVisibleItemPosition();
for (int i = first; i <= last; i++)
{
View child = ((LinearLayoutManager)ListView.GetLayoutManager()).FindViewByPosition(i);
if (child != null && ListView.GetChildViewHolder(child) is SongHolder holder)
{
if (SongParser.playPosition == i - 1)
{
holder.status.Visibility = ViewStates.Visible;
holder.status.SetTextColor(Color.Argb(255, 0, 255, 255));
string status = MainActivity.instance.GetString(Resource.String.loading);
SpannableString statusText = new SpannableString(status);
statusText.SetSpan(new BackgroundColorSpan(Color.ParseColor("#8C000000")), 0, status.Length, SpanTypes.InclusiveInclusive);
holder.status.TextFormatted = statusText;
}
else if (MusicPlayer.CurrentID() == i - 1) //The -1 is because the first displayed item of the queue is a header.
{
holder.status.Visibility = ViewStates.Visible;
holder.status.SetTextColor(MusicPlayer.isRunning ? Color.Argb(255, 244, 81, 30) : Color.Argb(255, 66, 165, 245));
string status = MusicPlayer.isRunning ? MainActivity.instance.GetString(Resource.String.playing) : MainActivity.instance.GetString(Resource.String.paused);
SpannableString statusText = new SpannableString(status);
statusText.SetSpan(new BackgroundColorSpan(Color.ParseColor("#8C000000")), 0, status.Length, SpanTypes.InclusiveInclusive);
holder.status.TextFormatted = statusText;
}
else
{
holder.status.Visibility = ViewStates.Gone;
}
}
}
}
private void View_Click(object sender, EventArgs e)
{
RecyclerView.ViewHolder holder = mRecyclerview.GetChildViewHolder(((View)sender));
mAction.Invoke(mRecyclerview, holder.AdapterPosition, ((View)sender));
}