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ShellViewModel.cs
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ShellViewModel.cs
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/*
BreadPlayer. A music player made for Windows 10 store.
Copyright (C) 2016 theweavrs (Abdullah Atta)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using BreadPlayer.Common;
using BreadPlayer.Core;
using BreadPlayer.Core.Common;
using BreadPlayer.Core.Events;
using BreadPlayer.Core.Models;
using BreadPlayer.Core.PortableAPIs;
using BreadPlayer.Database;
using BreadPlayer.Dispatcher;
using BreadPlayer.Extensions;
using BreadPlayer.Helpers;
using BreadPlayer.Messengers;
using BreadPlayer.MomentoPattern;
using BreadPlayer.Services;
using BreadPlayer.Themes;
using Microsoft.Advertising.WinRT.UI;
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Globalization;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
using Windows.Devices.Enumeration;
using Windows.Foundation.Metadata;
using Windows.Graphics.Display;
using Windows.Media.Devices;
using Windows.Phone.Media.Devices;
using Windows.Storage;
using Windows.Storage.Pickers;
using Windows.UI.ViewManagement;
using Windows.UI.Xaml.Controls;
using Microsoft.Services.Store.Engagement;
using Windows.Phone.UI.Input;
using System.IO;
using BreadPlayer.Controls;
using Microsoft.Toolkit.Uwp.Services.OneDrive;
using BreadPlayer.Interfaces;
namespace BreadPlayer.ViewModels
{
public class ShellViewModel : ObservableObject
{
#region Fields
private SymbolIcon _playPauseIcon = new SymbolIcon(Symbol.Play);
private SymbolIcon _repeatIcon = new SymbolIcon(Symbol.Sync);
private Mediafile _songToStopAfter;
private DispatcherTimer _timer;
private LibraryService _service = new LibraryService(new KeyValueStoreDatabaseService(SharedLogic.Instance.DatabasePath, "Tracks"));
private int _songCount;
private string _audioDeviceId = MediaDevice.GetDefaultAudioRenderId(AudioDeviceRole.Default);
private int _indexOfCurrentlyPlayingFile = -1;
#endregion Fields
#region Constructor
public ShellViewModel()
{
NavigateToNowPlayingViewCommand = new RelayCommand(NavigateToNowPlayingView);
WatchAnAdCommand = new DelegateCommand(WatchAnAd);
IncreaseVolumeCommand = new DelegateCommand(IncreaseVolume);
DecreaseVolumeCommand = new DelegateCommand(DecreaseVolume);
SeekForwardCommand = new DelegateCommand(SeekForward);
SeekBackwardCommand = new DelegateCommand(SeekBackward);
MuteCommand = new DelegateCommand(Mute);
Messenger.Instance.Register(MessageTypes.MsgPlaylistLoaded, new Action<Message>(HandleLibraryLoadedMessage));
Messenger.Instance.Register(MessageTypes.MsgLibraryLoaded, new Action<Message>(HandleLibraryLoadedMessage));
Messenger.Instance.Register(MessageTypes.MsgPlaySong, new Action<Message>(HandlePlaySongMessage));
Messenger.Instance.Register(MessageTypes.MsgDispose, HandleDisposeMessage);
Messenger.Instance.Register(MessageTypes.MsgExecuteCmd, new Action<Message>(HandleExecuteCmdMessage));
Messenger.Instance.Register(MessageTypes.MsgUpdateSongCount, new Action<Message>(HandleEnablePlayMessage));
Messenger.Instance.Register(MessageTypes.MsgStopAfterSong, new Action<Message>(HandleSaveSongToStopAfterMessage));
PlayPauseIcon = new SymbolIcon(Symbol.Play);
//PlaylistsItems = new ObservableCollection<SimpleNavMenuItem>();
SharedLogic.Instance.Player.PlayerState = PlayerState.Stopped;
DontUpdatePosition = false;
_timer = new DispatcherTimer(new BreadDispatcher())
{
Interval = TimeSpan.FromMilliseconds(500)
};
_timer.Tick += Timer_Tick;
_timer.Stop();
SharedLogic.Instance.Player.MediaEnded += Player_MediaEnded;
PropertyChanged += ShellViewModel_PropertyChanged;
SharedLogic.Instance.Player.MediaAboutToEnd += Player_MediaAboutToEnd;
SharedLogic.Instance.Player.MediaChanging += OnMediaChanging;
//these events are for detecting when the default audio
//device is changed in PC and Mobile.
if (ApiInformation.IsApiContractPresent("Windows.Phone.PhoneContract", 1))
AudioRoutingManager.GetDefault().AudioEndpointChanged += OnAudioEndpointChanged;
else
MediaDevice.DefaultAudioRenderDeviceChanged += OnDefaultAudioRenderDeviceChanged;
}
private async void OnMediaChanging(object sender, EventArgs e)
{
var lastPlayingFile = SharedLogic.Instance.Player.CurrentlyPlayingFile;
if (IsPlayingFromNetwork && lastPlayingFile != null
&& await Task.Run(() => File.Exists(lastPlayingFile.Path)))
{
await (await StorageFile.GetFileFromPathAsync(lastPlayingFile.Path)).TryDeleteItemAsync();
}
}
#endregion Constructor
#region HandleMessages
private void HandleEnablePlayMessage(Message message)
{
if (message.Payload is short count && count > 0)
{
message.HandledStatus = MessageHandledStatus.HandledContinue;
PlayPauseCommand.IsEnabled = true;
}
}
private Task<IEnumerable<Mediafile>> ToMediafileCollection(IEnumerable<DiskItem> folderFiles, MediaLocationType mediaLocationType)
{
return Task.Run<IEnumerable<Mediafile>>(async () =>
{
List<Mediafile> mediaFiles = new List<Mediafile>();
foreach (var file in folderFiles)
{
if (file.IsFile)
{
mediaFiles.Add(new Mediafile
{
Title = file.Title,
LeadArtist = file.Artist,
Path = file.Path,
MediaLocation = mediaLocationType,
Album = file.Album,
Size = file.Size
});
}
}
return mediaFiles;
});
}
private async void HandleLibraryLoadedMessage(Message message)
{
message.HandledStatus = MessageHandledStatus.HandledContinue;
if (message.Payload is ThreadSafeObservableCollection<Mediafile> tMediaFile)
{
PlaylistSongCollection = tMediaFile;
}
else if (message.Payload is object[] array)
{
NowPlayingQueue = new ThreadSafeObservableCollection<Mediafile>(await ToMediafileCollection((IEnumerable<DiskItem>)array[0], (MediaLocationType)array[1]).ConfigureAwait(false));
}
else
{
var listObject = message.Payload as List<object>;
TracksCollection = listObject[0] as GroupedObservableCollection<IGroupKey, Mediafile>;
TracksCollection.CollectionChanged += TracksCollection_CollectionChanged;
IsSourceGrouped = (bool)listObject[1];
_songCount = _service.SongCount;
GetSettings();
}
}
private async void TracksCollection_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (TracksCollection.Elements.Count > 0)
{
PlayPauseCommand.IsEnabled = true;
}
if (TracksCollection.Elements.Count == _songCount)
{
SetNowPlayingSong();
if (Shuffle)
await ReshuffleCollection();
else
{
UpcomingSong = await GetUpcomingSong();
PreviousSong = GetPreviousSong();
}
}
TracksCollection.CollectionChanged -= TracksCollection_CollectionChanged;
}
private async void HandlePlaySongMessage(Message message)
{
if (message.Payload is List<object> obj)
{
message.HandledStatus = MessageHandledStatus.HandledCompleted;
var file = obj[0] as Mediafile;
var play = (bool)obj[1];
IsPlayingFromPlaylist = (bool)obj[2];
if (obj.Count > 3)
{
IsPlayingFromNetwork = (bool)obj[3];
}
await Load(file, play);
}
else if (message.Payload is string path)
{
message.HandledStatus = MessageHandledStatus.HandledCompleted;
var mediaFile = await TagReaderHelper.CreateMediafile(await StorageFile.GetFileFromPathAsync(path));
await Load(mediaFile, true);
}
else if (message.Payload is StorageFile file)
{
message.HandledStatus = MessageHandledStatus.HandledCompleted;
await Load(await FromNetworkStorageFile(file).ConfigureAwait(false), true);
}
}
private async Task<Mediafile> FromNetworkStorageFile(StorageFile file)
{
var mediaFile = await TagReaderHelper.CreateMediafile(file);
mediaFile.MediaLocation = MediaLocationType.Local;
mediaFile.ByteArray = await(await file.OpenStreamForReadAsync()).ToByteArray();
return mediaFile;
}
private async void HandleExecuteCmdMessage(Message message)
{
if (message.Payload == null) return;
if (message.Payload is List<object> list)
{
double volume = 0;
if ((double)list[3] == 50.0)
{
volume = SettingsHelper.GetLocalSetting<double>("volume", 50.0);
}
else
{
volume = (double)list[3];
}
Mediafile libraryMediaFile = null;
if (list[0] is IReadOnlyList<IStorageItem> files)
{
List<Mediafile> mediafileList = new List<Mediafile>(files.Count);
foreach (IStorageItem item in files)
{
if (item.IsOfType(StorageItemTypes.File))
{
mediafileList.Add(await TagReaderHelper.CreateMediafile(item as StorageFile));
}
}
NowPlayingQueue = new ThreadSafeObservableCollection<Mediafile>();
NowPlayingQueue.AddRange(mediafileList);
libraryMediaFile = NowPlayingQueue[0];
}
else
{
var id = SettingsHelper.GetLocalSetting<long>("NowPlayingID", 0L);
libraryMediaFile = _service.GetMediafile(id);
if (libraryMediaFile == null)
{
var path = SettingsHelper.GetLocalSetting<string>("path", null);
if (path != null)
{
if (await Task.Run(() => File.Exists(path)))
libraryMediaFile = await TagReaderHelper.CreateMediafile(await StorageFile.GetFileFromPathAsync(path));
}
}
}
await Load(libraryMediaFile, (bool)list[2], (double)list[1], volume);
}
else
{
GetType().GetTypeInfo().GetDeclaredMethod(message.Payload as string)?.Invoke(this, new object[] { });
}
message.HandledStatus = MessageHandledStatus.HandledCompleted;
}
private async void HandleDisposeMessage()
{
Reset();
await SharedLogic.Instance.Player.Stop();
}
private void HandleSaveSongToStopAfterMessage(Message songToStopAfter)
{
if (songToStopAfter.Payload is Mediafile mediaFile)
{
_songToStopAfter = mediaFile;
}
}
#endregion HandleMessages
#region Commands
#region Definition
private RelayCommand _openSongCommand;
private DelegateCommand _playPreviousCommand;
private DelegateCommand _playNextCommand;
private DelegateCommand _playPauseCommand;
private DelegateCommand _setRepeatCommand;
private DelegateCommand _showEqualizerCommand;
private DelegateCommand _shuffleAllCommand;
public DelegateCommand ShuffleAllCommand { get { if (_shuffleAllCommand == null) { _shuffleAllCommand = new DelegateCommand(ShuffleAll); } return _shuffleAllCommand; } }
public ICommand MuteCommand { get; set; }
public ICommand IncreaseVolumeCommand { get; set; }
public ICommand DecreaseVolumeCommand { get; set; }
public ICommand SeekForwardCommand { get; set; }
public ICommand SeekBackwardCommand { get; set; }
/// <summary>
/// Gets OpenSong command. This calls the <see cref="Open(object)"/> method. <seealso cref="ICommand"/>
/// </summary>
public ICommand OpenSongCommand
{
get
{ if (_openSongCommand == null) { _openSongCommand = new RelayCommand(param => Open(param)); } return _openSongCommand; }
}
public DelegateCommand PlayPauseCommand
{
get
{
if (_playPauseCommand == null)
{
_playPauseCommand = new DelegateCommand(PlayPause)
{
IsEnabled = false
};
}
return _playPauseCommand;
}
}
public DelegateCommand PlayNextCommand { get { if (_playNextCommand == null) { _playNextCommand = new DelegateCommand(PlayNext); } return _playNextCommand; } }
public DelegateCommand PlayPreviousCommand { get { if (_playPreviousCommand == null) { _playPreviousCommand = new DelegateCommand(PlayPrevious); } return _playPreviousCommand; } }
public DelegateCommand SetRepeatCommand { get { if (_setRepeatCommand == null) { _setRepeatCommand = new DelegateCommand(SetRepeat); } return _setRepeatCommand; } }
public DelegateCommand ShowEqualizerCommand { get { if (_showEqualizerCommand == null) { _showEqualizerCommand = new DelegateCommand(ShowEqualizer); } return _showEqualizerCommand; } }
public ICommand NavigateToNowPlayingViewCommand { get; set; }// { if (navigateToNowPlayingViewCommand == null) navigateToNowPlayingViewCommand = new DelegateCommand(NavigateToNowPlayingView); return navigateToNowPlayingViewCommand; } }
public DelegateCommand WatchAnAdCommand { get; set; }// { if (navigateToNowPlayingViewCommand == null) navigateToNowPlayingViewCommand = new DelegateCommand(NavigateToNowPlayingView); return navigateToNowPlayingViewCommand; } }
#endregion Definition
#region Implementation
private async void ShuffleAll()
{
Shuffle = true;
await Load((await ShuffledCollection().ConfigureAwait(false))[0], true).ConfigureAwait(false);
}
private async void WatchAnAd()
{
if (!InternetConnectivityHelper.IsInternetConnected)
{
await NotifyAndDeselect("Seems you don't have an internet connection. Thanks for the support, though!");
return;
}
StoreServicesCustomEventLogger logger = StoreServicesCustomEventLogger.GetDefault();
InterstitialAd ad = new InterstitialAd();
string myAppId = "9nblggh42srx";
string myAdUnitId = "11701839";
ad.Keywords = "music,software,apps";
ad.AdReady += async (r, a) =>
{
if (InterstitialAdState.Ready == ad.State)
{
logger.Log("WatchAnAdStarted");
ad.Show();
await SharedLogic.Instance.NotificationManager.ShowMessageBoxAsync("Please click at least one link to help me more! Thanks!", "Thank you so much!");
}
};
ad.Completed += async (r, a) =>
{
logger.Log("WatchAnAdCompleted");
await NotifyAndDeselect("Thanks!");
};
ad.Cancelled += async (r, a) =>
{
await NotifyAndDeselect("No worries!");
};
int retryCount = 0;
ad.ErrorOccurred += async (r, a) =>
{
if (retryCount < 2)
{
retryCount++;
await NotifyAndDeselect("Aw! An error occured. Trying something else. Please wait.");
myAdUnitId = "1100000276";
ad.RequestAd(AdType.Display, myAppId, myAdUnitId);
}
else
{
await NotifyAndDeselect("Aw! An error occured. Thanks anyway.");
}
};
ad.RequestAd(AdType.Video, myAppId, myAdUnitId);
await NotifyAndDeselect("Please continue. The ad will be shown shortly.");
async Task NotifyAndDeselect(string message)
{
await SharedLogic.Instance.NotificationManager.ShowMessageAsync(message);
SplitViewMenu.SelectPrevious();
}
}
private void Mute()
{
SharedLogic.Instance.Player.IsVolumeMuted = SharedLogic.Instance.Player.IsVolumeMuted ? false : true;
}
private void IncreaseVolume()
{
if (SharedLogic.Instance.Player.Volume < 100)
{
SharedLogic.Instance.Player.Volume++;
}
}
private void DecreaseVolume()
{
if (SharedLogic.Instance.Player.Volume > 0)
{
SharedLogic.Instance.Player.Volume--;
}
}
private void SeekForward()
{
DontUpdatePosition = true;
CurrentPosition += 2;
DontUpdatePosition = false;
}
private void SeekBackward()
{
DontUpdatePosition = true;
CurrentPosition -= 2;
DontUpdatePosition = false;
}
private void NavigateToNowPlayingView(object para)
{
NavigationService.Instance.UnregisterEvents();
Messenger.Instance.NotifyColleagues(MessageTypes.MsgNavigate, new { pageType = typeof(NowPlayingView), parameter = "NowPlayingView" });
}
private void ShowEqualizer()
{
IsEqualizerVisible = IsEqualizerVisible ? false : true;
}
private void SetRepeat()
{
switch (Repeat)
{
case "No Repeat":
Repeat = "Repeat Song";
SharedLogic.Instance.Player.IsLoopingEnabled = true;
break;
case "Repeat Song":
Repeat = "Repeat List";
SharedLogic.Instance.Player.IsLoopingEnabled = false;
break;
case "Repeat List":
Repeat = "No Repeat";
SharedLogic.Instance.Player.IsLoopingEnabled = false;
break;
default:
break;
}
}
private async void PlayPause()
{
try
{
if (SharedLogic.Instance.Player.CurrentlyPlayingFile == null && TracksCollection?.Elements?.Count > 0)
{
await Load(TracksCollection.Elements.First(), true);
}
else
{
await BreadDispatcher.InvokeAsync(async () =>
{
switch (SharedLogic.Instance.Player.PlayerState)
{
case PlayerState.Playing:
await SharedLogic.Instance.Player.Pause();
_timer.Stop();
SharedLogic.Instance.Player.PlayerState = PlayerState.Stopped;
PlayPauseIcon = new SymbolIcon(Symbol.Play);
break;
case PlayerState.Paused:
case PlayerState.Ended:
case PlayerState.Stopped:
await SharedLogic.Instance.Player.Play();
_timer.Start();
PlayPauseIcon = new SymbolIcon(Symbol.Pause);
DontUpdatePosition = false;
break;
}
});
}
}
catch (Exception ex)
{
await SharedLogic.Instance.NotificationManager.ShowMessageAsync("Some error occured while playing the song. ERROR INFO: " + ex.Message);
}
}
private void SetNowPlayingSong()
{
string path = SettingsHelper.GetLocalSetting<string>("path", "");
if (TracksCollection.Elements.Any(t => t.State == PlayerState.Playing))
{
var sa = TracksCollection.Elements.Where(l => l.State == PlayerState.Playing);
foreach (var mp3 in sa)
{
mp3.State = PlayerState.Stopped;
}
}
if (TracksCollection.Elements.Any(t => t.Path == path))
{
TracksCollection.Elements.GetSongByPath(path).State = PlayerState.Playing;
UpdateCurrentlyPlayingSongIndex();
}
}
public async Task<Mediafile> GetUpcomingSong(bool isNext = false)
{
var playingCollection = GetPlayingCollection();
NowPlayingQueue = playingCollection;
if (playingCollection != null)
{
try
{
Mediafile toPlayFile = null;
if (Shuffle)
{
//only recreate the shuffled list if the current list is null or
//if it has gotten stale.
if (_shuffledList.Count < playingCollection.Count || _shuffledList == null)
{
_shuffledList = await ShuffledCollection();
}
//just set the index of currently playing file to -1
//if we are reached the last file in the playing collection.
if (_indexOfCurrentlyPlayingFile > playingCollection.Count - 2)
{
_indexOfCurrentlyPlayingFile = -1;
}
toPlayFile = _shuffledList?.ElementAt(_indexOfCurrentlyPlayingFile + 1);
}
else if (IsSourceGrouped)
{
toPlayFile = GetNextOrPrevSongInGroup(false);
}
else
{
toPlayFile = _indexOfCurrentlyPlayingFile <= playingCollection.Count - 2 && _indexOfCurrentlyPlayingFile != -1
? playingCollection.ElementAt(_indexOfCurrentlyPlayingFile + 1)
: Repeat == "Repeat List" || isNext
? playingCollection.ElementAt(0)
: null;
}
return toPlayFile;
}
catch (Exception ex)
{
BLogger.E("An error occured while trying to play next song.", ex);
await SharedLogic.Instance.NotificationManager.ShowMessageAsync("An error occured while trying to play next song. Trying again...");
ClearPlayerState();
PlayNext();
}
}
return null;
}
private Mediafile GetPreviousSong()
{
var playingCollection = GetPlayingCollection();
NowPlayingQueue = playingCollection;
if (playingCollection != null)
{
try
{
Mediafile previousSong = null;
if (IsSourceGrouped)
{
GetNextOrPrevSongInGroup(true);
}
else
{
var previousSongIndex = _indexOfCurrentlyPlayingFile <= 0 ? _indexOfCurrentlyPlayingFile = playingCollection.Count - 1 : _indexOfCurrentlyPlayingFile - 1;
previousSong = Shuffle ? _shuffledList[_indexOfCurrentlyPlayingFile - 1] : playingCollection[previousSongIndex];
}
return previousSong;
}
catch { }
}
return null;
}
private void UpdateCurrentlyPlayingSongIndex()
{
var playingCollection = GetPlayingCollection();
if (playingCollection != null)
{
_indexOfCurrentlyPlayingFile = playingCollection.GetCurrentlyPlayingIndex();
}
}
private Mediafile GetNextOrPrevSongInGroup(bool prev = false)
{
try
{
//get current group (the group in which current song is playing).
Grouping<IGroupKey, Mediafile> currentGroup = TracksCollection.GetCurrentlyPlayingGroup();
if (currentGroup == null)
return null;
//get the index of the song playing in the currentGroup (with reference to the currentGroup)
int currentSongIndex = currentGroup.GetPlayingSongIndexInGroup();
//get next song index (depending on the parameters).
int nextSongIndex = prev ? currentSongIndex - 1 : currentSongIndex + 1;
//get condition for next/prev group.
bool nextGroupCondition = nextSongIndex.Equals(prev ? -1 : currentGroup.Count);
//get next/prev group index
int nextGroupIndex = prev ? TracksCollection.IndexOf(currentGroup) - 1 : TracksCollection.IndexOf(currentGroup) + 1;
if (nextGroupIndex >= TracksCollection.Count - 1)
{
nextGroupIndex = 0;
}
//get next/prev group.
Grouping<IGroupKey, Mediafile> nextGroup = nextGroupCondition ? TracksCollection.ElementAt(nextGroupIndex) : currentGroup;
//get nextSong index depending on if the group is new or old.
int toPlaySongIndex = nextGroup.Equals(currentGroup) ? nextSongIndex : 0;
if ((nextGroup.Count - 1) >= toPlaySongIndex)
return nextGroup.ElementAt(toPlaySongIndex);
return null;
}
catch (NullReferenceException)
{
return null;
}
}
private async void PlayNext()
{
if (SharedLogic.Instance.Player.CurrentlyPlayingFile != null)
{
PreviousSong = SharedLogic.Instance.Player.CurrentlyPlayingFile;
}
Mediafile toPlayFile = UpcomingSong;
if (toPlayFile == null)
{
PlayPause();
}
else
{
await PlayFile(toPlayFile);
}
}
private ThreadSafeObservableCollection<Mediafile> GetPlayingCollection()
{
if (Shuffle)
{
return _shuffledList;
}
else
{
if (PlaylistSongCollection?.IsPlayingCollection() == true || IsPlayingFromPlaylist)
{
return PlaylistSongCollection;
}
else if (TracksCollection?.Elements?.IsPlayingCollection() == true)
{
return TracksCollection.Elements;
}
}
if (NowPlayingQueue?.Any() == true)
{
return NowPlayingQueue;
}
return null;
}
private async void PlayPrevious()
{
if (CurrentPosition > 5)
{
DontUpdatePosition = true;
CurrentPosition = 0;
DontUpdatePosition = false;
return;
}
if (PreviousSong != null)
{
await PlayFile(PreviousSong);
}
}
private async void Open(object para)
{
FileOpenPicker openPicker = new FileOpenPicker
{
ViewMode = PickerViewMode.Thumbnail,
SuggestedStartLocation = PickerLocationId.MusicLibrary
};
openPicker.FileTypeFilter.Add(".mp3");
openPicker.FileTypeFilter.Add(".wav");
openPicker.FileTypeFilter.Add(".ogg");
openPicker.FileTypeFilter.Add(".flac");
openPicker.FileTypeFilter.Add(".m4a");
openPicker.FileTypeFilter.Add(".aif");
openPicker.FileTypeFilter.Add(".wma");
openPicker.FileTypeFilter.Add(".aac");
openPicker.FileTypeFilter.Add(".mp4");
StorageFile file = await openPicker.PickSingleFileAsync();
if (file != null)
{
var mp3File = await TagReaderHelper.CreateMediafile(file, true);
if (SharedLogic.Instance.Player.PlayerState == PlayerState.Paused || SharedLogic.Instance.Player.PlayerState == PlayerState.Stopped)
{
await Load(mp3File);
}
else
{
await Load(mp3File, true);
}
}
}
#endregion Implementation
#endregion Commands
#region Events
private int eventCount = 0; //used in AudioEndpointChangedEvent
private async void OnAudioEndpointChanged(AudioRoutingManager sender, object args)
{
var currentEndpoint = sender.GetAudioEndpoint();
//when this event is initialized, it is invoked 2 times.
//to avoid changing the device at that time, we use this statement.
if (eventCount > 1)
{
BLogger.I($"Switching audio render device to [{currentEndpoint.ToString()}].");
await SharedLogic.Instance.Player.ChangeDevice(currentEndpoint.ToString());
}
//increase the event count
eventCount += 1;
}
private async void OnDefaultAudioRenderDeviceChanged(object sender, DefaultAudioRenderDeviceChangedEventArgs args)
{
if (args.Role != AudioDeviceRole.Default || args.Id == _audioDeviceId)
return;
var oldDevice = await DeviceInformation.CreateFromIdAsync(_audioDeviceId);
var device = await DeviceInformation.CreateFromIdAsync(args.Id);
BLogger.I($"Switching audio render device from [{oldDevice.Name}] to [{device.Name}]");
_audioDeviceId = args.Id;
await SharedLogic.Instance.Player.ChangeDevice(device.Name);
}
private async void Player_MediaAboutToEnd(object sender, MediaAboutToEndEventArgs e)
{
if (UpcomingSong == null)
{
UpcomingSong = await GetUpcomingSong(true);
}
if (Repeat != "Repeat Song" && UpcomingSong != null && SharedLogic.Instance.SettingsVm.CoreSettingsVM.UpcomingSongNotifcationsEnabled)
{
SharedLogic.Instance.NotificationManager.SendUpcomingSongNotification(UpcomingSong);
await SharedLogic.Instance.NotificationManager.ShowMessageAsync("Upcoming Song: " + UpcomingSong.Title + " by " + UpcomingSong.LeadArtist, 15);
}
}
private async void ShellViewModel_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "Shuffle" && Shuffle)
{
//on startup there is a chance that the main library will be null.
await ReshuffleCollection();
}
}
private async Task ReshuffleCollection()
{
if (TracksCollection?.Elements?.Any() == true)
{
_shuffledList = await ShuffledCollection().ConfigureAwait(false);
_indexOfCurrentlyPlayingFile = -1;
UpcomingSong = await GetUpcomingSong().ConfigureAwait(false);
PreviousSong = GetPreviousSong();
}
}
private async void Player_MediaEnded(object sender, MediaEndedEventArgs e)
{
var lastPlayingSong = SharedLogic.Instance.Player.CurrentlyPlayingFile;
if (Repeat == "Repeat List")
{
PlayNext();
}
else
{
await BreadDispatcher.InvokeAsync(() =>
{
DontUpdatePosition = true;
CurrentPosition = 0;
SharedLogic.Instance.Player.PlayerState = Repeat == "Repeat Song" ? PlayerState.Stopped : PlayerState.Playing;
if (Repeat == "No Repeat" && GetPlayingCollection() != null && GetPlayingCollection().Any())
{
PlayNext();
}
else
PlayPause();
});
}
await BreadDispatcher.InvokeAsync(async () =>
{
if (TracksCollection.Elements.Contains(lastPlayingSong))
{
lastPlayingSong.PlayCount++;
lastPlayingSong.LastPlayed = DateTime.Now;
await _service.UpdateMediafile(lastPlayingSong);
}
await ScrobblePlayingSong(lastPlayingSong);
});
}
private void Timer_Tick(object sender, object e)
{
double pos = 0;
if (SharedLogic.Instance.Player != null)
{
pos = SharedLogic.Instance.Player.Position;
}
if (!DontUpdatePosition)
{
CurrentPosition = pos;
}
}
#endregion Events
#region Properties
private bool _isPlaybarHidden;
public bool IsPlaybarHidden
{
get => _isPlaybarHidden;
set => Set(ref _isPlaybarHidden, value);
}
private bool _isEqualizerVisible;
public bool IsEqualizerVisible
{
get => _isEqualizerVisible;
set => Set(ref _isEqualizerVisible, value);
}
private bool _isVolumeSliderVisible;
public bool IsVolumeSliderVisible
{
get => _isVolumeSliderVisible;
set => Set(ref _isVolumeSliderVisible, value);
}
private bool _isPlayingFromPlaylist;
public bool IsPlayingFromPlaylist { get; set; }
public bool IsPlayingFromNetwork { get; set; }
private bool _isSourceGrouped;
public bool IsSourceGrouped { get; set; }
public GroupedObservableCollection<IGroupKey, Mediafile> TracksCollection
{ get; set; }
public ThreadSafeObservableCollection<Mediafile> PlaylistSongCollection
{ get; set; }
private ThreadSafeObservableCollection<Mediafile> _nowPlayingQueue;
public ThreadSafeObservableCollection<Mediafile> NowPlayingQueue
{
get => _nowPlayingQueue;
set => Set(ref _nowPlayingQueue, value);
}
private string _repeat = "No Repeat";
public string Repeat
{
get => _repeat;
set
{
Set(ref _repeat, value);
SettingsHelper.SaveRoamingSetting("Repeat", _repeat);
}
}
private bool _shuffle;
public bool Shuffle
{
get => _shuffle;
set
{
Set(ref _shuffle, value);
SettingsHelper.SaveRoamingSetting("Shuffle", _shuffle);
}
}
public bool DontUpdatePosition { get; set; }
private double _currentPosition;
public double CurrentPosition
{
get => _currentPosition;
set
{
Set(ref _currentPosition, value);
if (DontUpdatePosition)
{
SharedLogic.Instance.Player.Position = _currentPosition;
}
}
}
public SymbolIcon PlayPauseIcon
{
get => _playPauseIcon;
set
{
if (_playPauseIcon == null)
{
_playPauseIcon = new SymbolIcon(Symbol.Play);
}
Set(ref _playPauseIcon, value);
}
}
private Mediafile _upcomingsong = new Mediafile(); //we init beforehand so no null exception occurs
public Mediafile UpcomingSong
{
get => _upcomingsong;
set => Set(ref _upcomingsong, value);
}
private Mediafile _previoussong = new Mediafile(); //we init beforehand so no null exception occurs
public Mediafile PreviousSong
{
get => _previoussong;
set => Set(ref _previoussong, value);
}
#endregion Properties
#region Reset
public void Reset()
{