public void UpdateFile(File file)
        {
            if (_stickers.TryGetValue(file.Id, out List <StickerViewModel> items) && items.Count > 0)
            {
                foreach (var item in items)
                {
                    item.UpdateFile(file);

                    if (item.Thumbnail?.File.Id == file.Id)
                    {
                        var container = Stickers.ContainerFromItem(item) as SelectorItem;
                        if (container == null)
                        {
                            continue;
                        }

                        var content = container.ContentTemplateRoot as Grid;
                        var photo   = content.Children[0] as Image;

                        photo.Source = PlaceholderHelper.GetWebPFrame(file.Local.Path);
                    }
                    else if (item.StickerValue.Id == file.Id)
                    {
                        _handler.ThrottleVisibleItems();
                    }
                }
            }

            if (_stickerSets.TryGetValue(file.Id, out List <StickerSetViewModel> sets) && sets.Count > 0)
            {
                foreach (var item in sets)
                {
                    var cover = item.Thumbnail ?? item.Covers.FirstOrDefault()?.Thumbnail;
                    if (cover == null)
                    {
                        continue;
                    }

                    cover.UpdateFile(file);

                    var container = Toolbar.ContainerFromItem(item) as SelectorItem;
                    if (container == null)
                    {
                        continue;
                    }

                    var content = container.ContentTemplateRoot as Grid;
                    var photo   = content?.Children[0] as Image;

                    if (content == null)
                    {
                        continue;
                    }

                    if (item.IsAnimated)
                    {
                        photo.Source = PlaceholderHelper.GetLottieFrame(file.Local.Path, 0, 36, 36);
                    }
                    else
                    {
                        photo.Source = PlaceholderHelper.GetWebPFrame(file.Local.Path);
                    }
                }
            }

            _zoomer.UpdateFile(file);
        }
Exemple #2
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        public async void UpdateFile(File file)
        {
            if (!file.Local.IsDownloadingCompleted)
            {
                return;
            }

            if (_stickers.TryGetValue(file.Id, out List <ViewModels.Dialogs.StickerViewModel> items) && items.Count > 0)
            {
                var temp = await StorageFile.GetFileFromPathAsync(file.Local.Path);

                var buffer = await FileIO.ReadBufferAsync(temp);

                foreach (var item in items)
                {
                    item.UpdateFile(file);

                    var container = Stickers.ContainerFromItem(item) as SelectorItem;
                    if (container == null)
                    {
                        return;
                    }

                    var content = container.ContentTemplateRoot as Image;
                    content.Source = WebPImage.DecodeFromBuffer(buffer);
                }
            }

            foreach (MosaicMediaRow line in GifsView.Items)
            {
                var any = false;
                foreach (var item in line)
                {
                    if (item.Item is Animation animation && animation.UpdateFile(file))
                    {
                        any = true;
                    }
                }

                if (!any)
                {
                    continue;
                }

                var container = GifsView.ContainerFromItem(line) as SelectorItem;
                if (container == null)
                {
                    continue;
                }

                var content = container.ContentTemplateRoot as MosaicRow;
                if (content == null)
                {
                    continue;
                }

                content.UpdateFile(line, file);
            }

            foreach (ViewModels.Dialogs.StickerSetViewModel stickerSet in Toolbar.Items)
            {
                if (stickerSet.Covers == null)
                {
                    continue;
                }

                var cover = stickerSet.Covers.FirstOrDefault();
                if (cover == null || cover.Thumbnail == null)
                {
                    continue;
                }

                var container = Toolbar.ContainerFromItem(stickerSet) as SelectorItem;
                if (container == null)
                {
                    continue;
                }

                var content = container.ContentTemplateRoot as Image;
                if (content == null)
                {
                    continue;
                }

                if (cover.UpdateFile(file))
                {
                    var temp = await StorageFile.GetFileFromPathAsync(file.Local.Path);

                    var buffer = await FileIO.ReadBufferAsync(temp);

                    content.Source = WebPImage.DecodeFromBuffer(buffer);
                }
            }

            //foreach (ViewModels.Dialogs.StickerViewModel item in Stickers.Items)
            //{
            //    if (item.UpdateFile(file) && file.Local.IsDownloadingCompleted)
            //    {
            //        var container = Stickers.ContainerFromItem(item) as SelectorItem;
            //        if (container == null)
            //        {
            //            continue;
            //        }

            //        var content = container.ContentTemplateRoot as Image;
            //        if (item.Thumbnail.Photo.Id == file.Id)
            //        {
            //            var temp = await StorageFile.GetFileFromPathAsync(file.Local.Path);
            //            var buffer = await FileIO.ReadBufferAsync(temp);

            //            content.Source = WebPImage.DecodeFromBuffer(buffer);
            //        }
            //    }
            //}
        }