public VideoCollectionView(IntPtr handle) : base(handle)
{
// Initialize
RegisterClassForCell(typeof(VideoCollectionViewCell), VideoDataSource.CardCellId);
DataSource = new VideoDataSource(this);
Delegate = new VideoViewDelegate();
}
protected override async void LoadState(object param, Dictionary <string, object> pageState)
{
base.LoadState(param, pageState);
int id = (int)param;
VideoDataItem item = VideoDataSource.GetItem(id);
if (item != null)
{
OpenFile(item.File);
}
else if (pageState["fileToken"] != null)
{
StorageItemAccessList future = StorageApplicationPermissions.FutureAccessList;
StorageFile file = await future.GetFileAsync(pageState["fileToken"] as string);
future.Clear();
OpenFile(file);
}
if (pageState != null)
{
MediaPlayerState state = pageState["MediaState"] as MediaPlayerState;
if (state != null)
{
MediaPlayer.RestorePlayerState(state);
}
}
}
protected override void LoadState(Object param, Dictionary <String, Object> state)
{
int id = (int)param;
VideoDataGroup group = VideoDataSource.GetGroup(id);
DefaultViewModel["Items"] = group.Items;
pageTitle.Text = group.Title;
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="navigationParameter">The parameter value passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested.
/// </param>
/// <param name="pageState">A dictionary of state preserved by this page during an earlier
/// session. This will be null the first time a page is visited.</param>
protected override void LoadState(Object navigationParameter,
Dictionary <String, Object> pageState)
{
// Get the video data from sharepoint site
var videoDetail = VideoDataSource.GetVideos((String)navigationParameter);
this.DefaultViewModel["Group"] = videoDetail;
GetVideoFromLocal(videoDetail);
}
public void UpdateSource(VideoDataSource src)
{
if (src == null)
{
throw new ErrorMessageException("视频数据源参数不能为空值。");
}
Close();
_src = src;
_localVideos = null;
SourceValid = true;
}
public int AddFile(StorageFile file, int groupID)
{
if (file != null && VideoExtensions.Contains(file.FileType))
{
IEnumerable <VideoDataItem> matches = VideoDataSource.GetGroup(groupID).Items.Where(itm => itm.Path.Equals(file.Path));
if (matches.Count() > 0)
{
return(matches.First().ID);
}
VideoDataItem item = new VideoDataItem(VideoDataSource.NextID(), String.Empty, String.Empty, file);
VideoDataSource.GetGroup(groupID).Items.Add(item);
item.SetImage("ms-appx:///Assets/Thumbnail.png");
AddThumbnail(file, item);
return(item.ID);
}
return(-1);
}
private void onDataSourceChanged(object sender, EventArgs e)
{
//更新节点树。
if (string.IsNullOrWhiteSpace(SearchContext))
{
updateFilteredVideos();
}
else
{
SearchContext = string.Empty;
}
VideoDataSource src = VideoInfoManager.Instance.GetStorageSource();
//设置集中存储数据源
UpdateSource(src);
}
public void UpdateSource(VideoDataSource src)
{
_diProxy.UpdateSource(src);
if (src.SrcType == SourceType.Local)
{
try
{
_diProxy.GetVideoTreeNodesAsync();
}
catch (Exception ex)
{
Logger.Default.Error("刷新本地数据源视频录像信息失败！", ex);
string msg = "刷新本地数据源视频录像信息失败！\n" + ex.Message;
DialogUtil.ShowError(msg);
return;
}
}
RefreshVideoDataSummary();
}
private void onDataSourceChanged(object sender, EventArgs e)
{
VideoDataSource src = VideoInfoManager.Instance.GetStorageSource();
if (src == null)
{
throw new ErrorMessageException("未配置有效的数据源！");
}
if (src.SrcType == SourceType.Local && (string.IsNullOrEmpty(src.LocalSourcePath) || !new System.IO.DirectoryInfo(src.LocalSourcePath).Exists))
{
throw new ErrorMessageException("未设置有效的本地视频路径！");
}
if (src.SrcType == SourceType.Remote && src.Storage == null)
{
throw new ErrorMessageException("未配置集中存储服务!");
}
//设置集中存储数据源
UpdateSource(src);
}
private async void PopulateLibrary()
{
StorageFolder videos = KnownFolders.VideosLibrary;
IReadOnlyList <StorageFile> files = await videos.GetFilesAsync();
foreach (StorageFile file in files)
{
AddFile(file, 1);
}
IReadOnlyList <StorageFolder> dirs = await videos.GetFoldersAsync();
foreach (StorageFolder dir in dirs)
{
int id = VideoDataSource.AddGroup(dir.DisplayName);
files = await dir.GetFilesAsync();
foreach (StorageFile file in files)
{
AddFile(file, id);
}
}
}
public LocalInfoProxy(string localPath)
{
_src = new VideoDataSource()
{
SrcType = SourceType.Local,
LocalSourcePath = localPath
};
_imgBytes = imageToBytes(Resources.DefaultThumbnail);
_proxy = new VideoDataInfoProxy();
_proxy.TreeNodesReceived += proxy_TreeNodesReceived;
_proxy.MessageReceived += proxy_MessageReceived;
_proxy.UpdateSource(_src);
try
{
_proxy.GetVideoTreeNodesAsync();
}
catch (Exception e)
{
Logger.Default.Error("加载本地视频信息失败!", e);
string msg = "加载本地视频信息失败!\n" + e.Message;
DialogUtil.ShowError(msg);
}
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
var items = MasterListView.ItemsSource as List <Video>;
if (items == null)
{
items = await VideoDataSource.GetInstance().GetPopularVideos();
MasterListView.ItemsSource = items;
}
if (e.Parameter != null && e.Parameter is Video)
{
_lastSelectedItem = (Video)e.Parameter;
}
UpdateForVisualState(AdaptiveStates.CurrentState);
// Don't play a content transition for first item load.
// Sometimes, this content will be animated as part of the page transition.
DisableContentTransitions();
}
protected override void LoadState(Object param, Dictionary <String, Object> state)
{
DefaultViewModel["Groups"] = VideoDataSource.GetGroups();
}
private void RefreshClick(object sender, RoutedEventArgs e)
{
VideoDataSource.RefreshVideos(); //refresh the UI
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="navigationParameter">The parameter value passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested.
/// </param>
/// <param name="pageState">A dictionary of state preserved by this page during an earlier
/// session. This will be null the first time a page is visited.</param>
protected override void LoadState(Object navigationParameter, Dictionary <String, Object> pageState)
{
var videoList = VideoDataSource.GetAllVideos();
this.DefaultViewModel["Groups"] = videoList;
}
public Login()
{
this.InitializeComponent();
VideoDataSource.RefreshVideos();
}
public void UpdateSource(VideoDataSource src)
{
Clear();
this.Source = src;
}
public void ClearRecentlyUsed()
{
StorageApplicationPermissions.MostRecentlyUsedList.Clear();
VideoDataSource.GetGroup(0).Items.Clear();
}
