/// <summary>
/// 更新布局，获取最新资讯
/// </summary>
/// <param name="page">频道数据</param>
/// <returns></returns>
public async Task UpdateLayout(CustomPage page, bool isForceRefresh = false)
{
AllFeeds.Clear();
LoadingRing.IsActive = true;
JustNoReadSwitch.IsEnabled = false;
AllReadButton.Visibility = Visibility.Collapsed;
LastCacheTimeContainer.Visibility = Visibility.Collapsed;
NoDataTipContainer.Visibility = Visibility.Collapsed;
AllReadTipContainer.Visibility = Visibility.Collapsed;
_sourceData = page;
PageNameTextBlock.Text = _sourceData.Name;
FeedCollection.Clear();
var feed = new List <RssSchema>();
if (NetworkHelper.Instance.ConnectionInformation.IsInternetAvailable)
{
var schema = await IOTools.GetSchemaFromPage(_sourceData);
foreach (var item in schema)
{
feed.Add(item);
}
bool isAutoCache = Convert.ToBoolean(AppTools.GetLocalSetting(AppSettings.AutoCacheWhenOpenChannel, "False"));
if (isAutoCache && feed.Count > 0)
{
await IOTools.AddCachePage(null, page);
}
}
else
{
if (MainPage.Current._isCacheAlert)
{
new PopupToast(AppTools.GetReswLanguage("Tip_WatchingCache")).ShowPopup();
MainPage.Current._isCacheAlert = false;
}
var data = await IOTools.GetLocalCache(page);
feed = data.Item1;
_lastCacheTime = data.Item2;
if (_lastCacheTime > 0)
{
LastCacheTimeContainer.Visibility = Visibility.Visible;
LastCacheTimeBlock.Text = AppTools.TimeStampToDate(_lastCacheTime).ToString("HH:mm");
}
}
if (feed != null && feed.Count > 0)
{
AllFeeds = feed;
await FeedInit();
}
else
{
NoDataTipContainer.Visibility = Visibility.Visible;
}
JustNoReadSwitch.IsEnabled = true;
LoadingRing.IsActive = false;
}
private async void CacheAllButton_Click(object sender, RoutedEventArgs e)
{
if (!NetworkHelper.Instance.ConnectionInformation.IsInternetAvailable)
{
new PopupToast(AppTools.GetReswLanguage("Tip_FailedWithoutInternet"), AppTools.GetThemeSolidColorBrush(ColorType.ErrorColor)).ShowPopup();
return;
}
CacheAllButton.IsEnabled = false;
CacheProgressBar.Visibility = Visibility.Visible;
var list = new List <Channel>();
foreach (var item in MainPage.Current.Categories)
{
foreach (var cha in item.Channels)
{
list.Add(cha);
}
}
var pageList = MainPage.Current.CustomPages;
if (list.Count > 0)
{
try
{
CacheProgressBar.Maximum = list.Count + pageList.Count;
int channelCount = 0;
int pageCount = 0;
var tasks = new Task[2];
tasks[0] = Task.Run(async() => {
await IOTools.AddCacheChannel(async(count) =>
{
await DispatcherHelper.ExecuteOnUIThreadAsync(() =>
{
channelCount = count;
CacheProgressBar.Value = channelCount + pageCount;
});
}, list.ToArray());
});
tasks[1] = Task.Run(async() => {
await IOTools.AddCachePage(async(count) =>
{
await DispatcherHelper.ExecuteOnUIThreadAsync(() =>
{
pageCount = count;
CacheProgressBar.Value = channelCount + pageCount;
});
}, pageList.ToArray());
});
await Task.WhenAll(tasks);
new PopupToast(AppTools.GetReswLanguage("Tip_CacheSuccess")).ShowPopup();
}
catch (Exception ex)
{
new PopupToast(ex.Message).ShowPopup();
}
}
CacheSizeTextBlock.Text = await IOTools.GetCacheSize();
CacheAllButton.IsEnabled = true;
CacheProgressBar.Visibility = Visibility.Collapsed;
}