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WIP splitting up the viewModels for the party

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This commit is contained in:
Brandon Watson 2021-04-11 20:54:59 -04:00
parent bf702e403e
commit 6b14d1264a
11 changed files with 369 additions and 588 deletions
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1
aurora-sharp-desktop/Aurora/App.xaml.cs
View File

@ -41,6 +41,7 @@ namespace Aurora
_builder.RegisterType<PartyViewModel>();
_builder.RegisterType<ProfileViewModel>();
_builder.RegisterType<SongsViewModel>();
_builder.RegisterType<HostPartyViewModel>();
_builder.RegisterType<StationsViewModel>();
// _builder.RegisterInstance<ISettingsService>(new SettingsService()).SingleInstance();

1
aurora-sharp-desktop/Aurora/UserInterface/Controls/NavigationMenu/NavigationItem.cs
View File

@ -12,7 +12,6 @@ namespace Aurora.Design.Components.NavigationMenu
public NavigationItem()
{
}
public int Id { get; set; }
public string Title { get; set; }
public string Group { get; set; }
public Type TargetType { get; set; }

50
aurora-sharp-desktop/Aurora/UserInterface/Views/BasePlayerViewModel.cs Normal file
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@ -0,0 +1,50 @@
using Aurora.Models.Media;
using Aurora.Design.Views.Main;
namespace Aurora.Design.Views
{
public class BasePlayerViewModel : BaseViewModel
{
public BasePlayerViewModel(): base()
{
}
/// <summary>
/// Delegate for interacting with main screen player control
/// </summary>
/// <value></value>
public SetPlayerDelegate ChangePlayerState { get; set; }
/// <summary>
/// Delegate for checking if main screen player control is currently playing
/// </summary>
/// <value></value>
public GetIsPlayingDelegate IsPlaying { get; set; }
/// <summary>
/// Command event handler for player play button
/// </summary>
public virtual void OnPlayButtonCommandExecute() { }
public virtual bool CanPlayButtonCommandExecute()
{
return true;
}
/// <summary>
/// Command event handler for player next button
/// </summary>
public virtual void OnNextButtonExecute() { }
public virtual bool CanNextButtonCommandExecute()
{
return true;
}
/// <summary>
/// Command event handler for player previous button
/// </summary>
public virtual void OnPreviousButtonExecute() { }
public virtual bool CanPreviousButtonCommandExecute()
{
return true;
}
}
}

47
aurora-sharp-desktop/Aurora/UserInterface/Views/BaseViewModel.cs
View File

@ -15,55 +15,14 @@ namespace Aurora.Design.Views
{
}
#region Player
/// <summary>
/// Command event handler for player play button
/// </summary>
public virtual void OnPlayButtonCommandExecute() { }
public virtual bool CanPlayButtonCommandExecute()
{
return true;
}
/// <summary>
/// Command event handler for player next button
/// </summary>
public virtual void OnNextButtonExecute() { }
public virtual bool CanNextButtonCommandExecute()
{
return true;
}
/// <summary>
/// Command event handler for player previous button
/// </summary>
public virtual void OnPreviousButtonExecute() { }
public virtual bool CanPreviousButtonCommandExecute()
{
return true;
}
/// <summary>
/// Delegate for interacting with main screen player control
/// </summary>
/// <value></value>
public SetPlayerDelegate ChangePlayerState { get; set; }
/// <summary>
/// Delegate for checking if main screen player control is currently playing
/// </summary>
/// <value></value>
public GetIsPlayingDelegate IsPlaying { get; set; }
public ShowModalDelegate ShowModal { get; set; }
public HideModalDelegate HideModal { get; set; }
public SetViewDelegate SetView { get; set; }
#endregion Player
#region Lifecycle
#region Lifecycle Callbacks
/// <summary>
/// Called by main screen on view appearing
/// </summary>
@ -78,7 +37,7 @@ namespace Aurora.Design.Views
/// <returns></returns>
public virtual Task OnInactive() { return Task.FromResult<object>(null); }
#endregion
#endregion Lifecycle Callbacks
#region INotifyPropertyChanged Implementation
public bool SetProperty<T>(ref T storage, T value, [CallerMemberName] string propertyName = null)

91
aurora-sharp-desktop/Aurora/UserInterface/Views/MainView/MainView.xaml.cs
View File

@ -31,11 +31,12 @@ namespace Aurora.Design.Views.Main
public delegate void ShowModalDelegate(Type view, BaseDialogViewModel viewModel);
public delegate void HideModalDelegate();
public delegate void FinishDialogDelegate();
public delegate void SetViewDelegate(Type viewType, Type viewModelType);
[XamlCompilation(XamlCompilationOptions.Compile)]
public partial class MainView : ContentPage//, IDisposable
{
private Dictionary<int, BaseViewModel> _viewModels;
private Dictionary<string, BaseViewModel> _viewModels;
private BaseViewModel _lastViewModel;
private Player _playerComponent;
private IPlayer _playerService;
@ -45,7 +46,7 @@ namespace Aurora.Design.Views.Main
{
InitializeComponent();
BindingContext = new MainViewModel();
_viewModels = new Dictionary<int, BaseViewModel>();
_viewModels = new Dictionary<string, BaseViewModel>();
_playerComponent = Player;
@ -74,29 +75,35 @@ namespace Aurora.Design.Views.Main
return;
var view = (View)Activator.CreateInstance(item.TargetType);
string viewModelName = item.TargetViewModelType.Name;
//Check if we have an instantiated viewModel
BaseViewModel vm = new BaseViewModel();
if (_viewModels.ContainsKey(item.Id))
if (_viewModels.ContainsKey(viewModelName))
{
_viewModels.TryGetValue(item.Id, out vm);
_viewModels.TryGetValue(viewModelName, out vm);
}
else
{
if (item.TargetViewModelType.BaseType != typeof(BaseViewModel))
if (item.TargetViewModelType.IsAssignableFrom(typeof(BaseViewModel)))
{
throw new InvalidOperationException("TargetViewModel field must be of type BaseViewModel");
}
//Instantiate new view model
vm = (BaseViewModel)App.Container.Resolve(item.TargetViewModelType); //Activator.CreateInstance(item.TargetViewModelType);
_viewModels.Add(item.Id, vm);
_viewModels.Add(viewModelName, vm);
}
//Assign player controls to viewmodel
AssignPlayerControls(vm);
if(vm is BasePlayerViewModel)
{
AssignPlayerControls(vm as BasePlayerViewModel);
}
ChangeModalVisiblity(false);
vm.SetView = this.SetView;
//Activate viewmodel
vm.OnActive();
@ -104,7 +111,10 @@ namespace Aurora.Design.Views.Main
//Deactivate last viewModel
_lastViewModel.OnInactive();
//Unasign deactivating vm
UnassignPlayerControls(_lastViewModel);
if(_lastViewModel is BasePlayerViewModel)
{
UnassignPlayerControls(_lastViewModel as BasePlayerViewModel);
}
//Assign viewModel
_lastViewModel = vm;
@ -128,20 +138,26 @@ namespace Aurora.Design.Views.Main
var view = (View)Activator.CreateInstance(firstNavItem.TargetType);
BaseViewModel vm = new BaseViewModel();
if (_viewModels.ContainsKey(firstNavItem.Id))
if (_viewModels.ContainsKey(nameof(firstNavItem.TargetViewModelType)))
{
_viewModels.TryGetValue(firstNavItem.Id, out vm);
_viewModels.TryGetValue(nameof(firstNavItem.TargetViewModelType), out vm);
}
else
{
//Instantiate new view model
vm = (BaseViewModel)App.Container.Resolve(firstNavItem.TargetViewModelType); //(BaseViewModel)Activator.CreateInstance(firstNavItem.TargetViewModelType);
_viewModels.Add(firstNavItem.Id, vm);
_viewModels.Add(nameof(firstNavItem.TargetViewModelType), vm);
}
view.BindingContext = vm;
_lastViewModel = vm;
AssignPlayerControls(vm);
if(vm is BasePlayerViewModel)
{
AssignPlayerControls(vm as BasePlayerViewModel);
}
vm.SetView = this.SetView;
ChangeModalVisiblity(false);
vm.OnActive();
@ -153,7 +169,7 @@ namespace Aurora.Design.Views.Main
/// Unassign setplayer delegate to prevent vms from changing player info when inactive
/// </summary>
/// <param name="vm"></param>
private void UnassignPlayerControls(BaseViewModel vm)
private void UnassignPlayerControls(BasePlayerViewModel vm)
{
vm.ChangePlayerState = null;
vm.IsPlaying = null;
@ -164,7 +180,7 @@ namespace Aurora.Design.Views.Main
/// Assign main views music player controls to a view model
/// </summary>
/// <param name="vm">BaseViewModel to assign controls to</param>
private void AssignPlayerControls(BaseViewModel vm)
private void AssignPlayerControls(BasePlayerViewModel vm)
{
_playerComponent.PlayButtonCommand = new Command(vm.OnPlayButtonCommandExecute, vm.CanPlayButtonCommandExecute);
_playerComponent.NextButtonCommand = new Command(vm.OnNextButtonExecute, vm.CanNextButtonCommandExecute);
@ -259,5 +275,52 @@ namespace Aurora.Design.Views.Main
Modal.IsVisible = isVisible;
Content.IsVisible = !isVisible;
}
private void SetView(Type viewType, Type viewModelType)
{
BaseViewModel vm = new BaseViewModel();
if(this._viewModels.ContainsKey(viewModelType.Name))
{
this._viewModels.TryGetValue(viewModelType.Name, out vm);
}
else
{
if (viewModelType.IsAssignableFrom(typeof(BaseViewModel)))
{
throw new InvalidOperationException("TargetViewModel field must be of type BaseViewModel");
}
//Instantiate new view model
vm = (BaseViewModel)App.Container.Resolve(viewModelType); //Activator.CreateInstance(item.TargetViewModelType);
_viewModels.Add(viewModelType.Name, vm);
}
//Assign player controls to viewmodel
if(vm is BasePlayerViewModel)
{
AssignPlayerControls(vm as BasePlayerViewModel);
}
ChangeModalVisiblity(false);
//Activate viewmodel
vm.OnActive();
//Deactivate last viewModel
_lastViewModel.OnInactive();
//Unasign deactivating vm
if(_lastViewModel is BasePlayerViewModel)
{
UnassignPlayerControls(_lastViewModel as BasePlayerViewModel);
}
var view = (View)Activator.CreateInstance(viewType);
//Assign viewModel
_lastViewModel = vm;
view.BindingContext = vm;
_viewContent.Content = view;
}
}
}

14
aurora-sharp-desktop/Aurora/UserInterface/Views/MainView/MainViewModel.cs
View File

@ -56,13 +56,13 @@ namespace Aurora.Design.Views.MainView
{
_pages = new ObservableCollection<NavigationItem>(new[]
{
new NavigationItem { Id = 0, Title = "Songs", Group="Your Music", TargetType = typeof(SongsView), TargetViewModelType = typeof(SongsViewModel) },
new NavigationItem { Id = 1, Title = "Artists", Group="Your Music", TargetType = typeof(ArtistsView), TargetViewModelType = typeof(ArtistsViewModel)},
new NavigationItem { Id = 2, Title = "Albums", Group="Your Music", TargetType = typeof(AlbumsView), TargetViewModelType = typeof(AlbumsViewModel)},
new NavigationItem { Id = 3, Title = "Stations", Group="Your Music", TargetType = typeof(StationsView), TargetViewModelType = typeof(StationsViewModel)},
new NavigationItem { Id = 4, Title = "Party", Group="Social", TargetType = typeof(PartyView), TargetViewModelType = typeof(PartyViewModel)},
new NavigationItem { Id = 5, Title = "Profile", Group="Social", TargetType = typeof(ProfileView), TargetViewModelType = typeof(ProfileViewModel)},
new NavigationItem { Id = 6, Title = "A + B", Group="Playlists", TargetType = typeof(StationsView), TargetViewModelType = typeof(StationsViewModel)}
new NavigationItem { Title = "Songs", Group="Your Music", TargetType = typeof(SongsView), TargetViewModelType = typeof(SongsViewModel) },
new NavigationItem { Title = "Artists", Group="Your Music", TargetType = typeof(ArtistsView), TargetViewModelType = typeof(ArtistsViewModel)},
new NavigationItem { Title = "Albums", Group="Your Music", TargetType = typeof(AlbumsView), TargetViewModelType = typeof(AlbumsViewModel)},
new NavigationItem { Title = "Stations", Group="Your Music", TargetType = typeof(StationsView), TargetViewModelType = typeof(StationsViewModel)},
new NavigationItem { Title = "Party", Group="Social", TargetType = typeof(PartyView), TargetViewModelType = typeof(PartyViewModel)},
new NavigationItem { Title = "Profile", Group="Social", TargetType = typeof(ProfileView), TargetViewModelType = typeof(ProfileViewModel)},
new NavigationItem { Title = "A + B", Group="Playlists", TargetType = typeof(StationsView), TargetViewModelType = typeof(StationsViewModel)}
});
}

75
aurora-sharp-desktop/Aurora/UserInterface/Views/Party/BasePartyViewModel.cs Normal file
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@ -0,0 +1,75 @@
using System.Collections.ObjectModel;
using Aurora.Proto.Party;
using Aurora.Models.Media;
using Aurora.Services.Settings;
namespace Aurora.Design.Views.Party
{
public enum PartyStateV2
{
SelectingHost,
InParty,
Hosting,
Connecting,
}
public class BasePartyViewModel : BasePlayerViewModel
{
protected string _hostname;
private PartyStateV2 _state;
private ObservableCollection<Member> _members;
private ObservableCollection<BaseMedia> _queue;
private BaseMedia _selectedMedia;
private ISettingsService _settingsService;
private int _selectedTabIndex;
public BasePartyViewModel(
ISettingsService settingsService
)
{
_members = new ObservableCollection<Member>();
_queue = new ObservableCollection<BaseMedia>();
this._settingsService = settingsService;
}
public int SelectedTabIndex
{
get { return _selectedTabIndex; }
set { SetProperty(ref _selectedTabIndex, value); }
}
/// <summary>
/// Publc property for the members list
/// </summary>
/// <value></value>
public ObservableCollection<Member> Members
{
get
{
return _members;
}
set
{
SetProperty(ref _members, value);
}
}
/// <summary>
/// Public property for the currently selected song.
/// </summary>
/// <value></value>
public BaseMedia SelectedSong
{
get { return _selectedMedia; }
set { SetProperty(ref _selectedMedia, value); }
}
public PartyStateV2 State
{
get { return _state; }
set { _state = value;}
}
}
}

112
aurora-sharp-desktop/Aurora/UserInterface/Views/Party/HostPartyViewModel.cs Normal file
View File

@ -0,0 +1,112 @@
using System.Threading.Tasks;
using Aurora.Design.Views.Party.NewPartyDialog;
using Xamarin.Forms;
using Aurora.Services.Server;
using Aurora.Services.EventManager;
using Aurora.Services.Settings;
namespace Aurora.Design.Views.Party
{
public class HostPartyViewModel : BasePartyViewModel
{
private IServerService _serverService;
private IEventManager _eventManager;
public HostPartyViewModel(
ISettingsService settingsService,
IServerService serverService,
IEventManager eventManager
): base(settingsService)
{
this._serverService = serverService;
this._eventManager = eventManager;
}
#region Properties
/// <summary>
/// Public property for playing media command
/// </summary>
/// <value></value>
public Command PlayCommand { get; private set; }
/// <summary>
/// Public property for leave party command
/// </summary>
/// <value></value>
public Command LeavePartyCommand { get; private set; }
#endregion Properties
/// <summary>
/// Called by framework when view becomes active
/// </summary>
/// <returns></returns>
public override Task OnActive()
{
return Task.FromResult<object>(null);
}
/// <summary>
/// Called by framework when view becomes inactive
/// </summary>
/// <returns></returns>
public override Task OnInactive()
{
return Task.FromResult<object>(null);
}
private async void OnHostCommandExecute()
{
}
private bool CanHostCommandExecute()
{
return true;
}
private async void OnLeavePartyCommandExecute()
{
}
private bool CanLeavePartyCommandExecute()
{
return true;
}
public override void OnPlayButtonCommandExecute()
{
}
public override bool CanPlayButtonCommandExecute()
{
return this.State == PartyStateV2.Hosting;
}
public override bool CanNextButtonCommandExecute()
{
return this.State == PartyStateV2.Hosting;
}
public override bool CanPreviousButtonCommandExecute()
{
return this.State == PartyStateV2.Hosting;
}
/// <summary>
/// On double click execute, fire media playing event
/// </summary>
public void OnDoubleClickCommandExecute()
{
}
public bool CanDoubleClickCommandExecute()
{
return this.State == PartyStateV2.Hosting;
}
}
}

0
aurora-sharp-desktop/Aurora/UserInterface/Views/Party/JoinPartyViewModel.cs Normal file
View File

524
aurora-sharp-desktop/Aurora/UserInterface/Views/Party/PartyViewModel.cs
View File

@ -25,132 +25,33 @@ namespace Aurora.Design.Views.Party
Connecting,
}
delegate void EventHandler(BaseEvent e);
public class PartyViewModel : BaseViewModel
public class PartyViewModel : BasePartyViewModel
{
private PartyState _state;
private string _hostname = "";
private ObservableCollection<Member> _members;
private ObservableCollection<BaseMedia> _queue;
private BaseMedia _selectedMedia;
private ISettingsService _settingsService;
private IClientService _clientService;
private IServerService _serverService;
private IEventManager _eventManager;
private CancellationTokenSource _eventCancellationTokenSource;
private Dictionary<BaseEvent.DerivedEventOneofCase, EventHandler> _eventHandlers;
private int _selectedTabIndex;
public PartyViewModel(
ISettingsService settingsService,
IServerService serverService,
IEventManager eventManager,
IClientService clientService)
public PartyViewModel(ISettingsService settingsService): base(settingsService)
{
_members = new ObservableCollection<Member>();
_queue = new ObservableCollection<BaseMedia>();
this._settingsService = settingsService;
this._serverService = serverService;
this._eventManager = eventManager;
this._clientService = clientService;
SetState(PartyState.SelectingHost);
PlayCommand = new Command(OnDoubleClickCommandExecute, CanDoubleClickCommandExecute);
LeavePartyCommand = new Command(OnLeavePartyCommandExecute, CanLeavePartyCommandExecute);
//Setup event handlers
_eventHandlers = new Dictionary<BaseEvent.DerivedEventOneofCase, EventHandler>()
{
{BaseEvent.DerivedEventOneofCase.MediaPausedEvent, this.OnRemoteMediaPaused},
{BaseEvent.DerivedEventOneofCase.MediaResumedEvent, this.OnRemoteMediaResumed},
{BaseEvent.DerivedEventOneofCase.NewMediaPlayingEvent, this.OnNewRemoteMediaPlaying},
{BaseEvent.DerivedEventOneofCase.MemberCreatedEvent, this.OnPartyMemberJoined},
{BaseEvent.DerivedEventOneofCase.MemberDeletedEvent, this.OnPartyMemberLeft}
};
}
#region Properties
public int SelectedTabIndex
{
get { return _selectedTabIndex; }
set { SetProperty(ref _selectedTabIndex, value); }
}
/// <summary>
/// Publc property for the members list
/// </summary>
/// <value></value>
public ObservableCollection<Member> Members
{
get
{
return _members;
}
set
{
SetProperty(ref _members, value);
}
}
/// <summary>
/// Public property for queue item source
/// </summary>
/// <value></value>
public ObservableCollection<BaseMedia> Queue
{
get
{
return _queue;
}
set
{
if (value != _queue)
{
SetProperty(ref _queue, value);
}
}
}
/// <summary>
/// Public property for the currently selected song.
/// </summary>
/// <value></value>
public BaseMedia SelectedSong
{
get { return _selectedMedia; }
set { SetProperty(ref _selectedMedia, value); }
}
/// <summary>
/// Public property for playing media
/// </summary>
/// <value></value>
public Command PlayCommand { get; private set; }
public Command LeavePartyCommand { get; private set; }
#endregion Properties
#region Events
/// <summary>
/// Called by framework when view becomes active
/// </summary>
/// <returns></returns>
public override async Task OnActive()
public override Task OnActive()
{
OnPropertyChanged("SelectedTabIndex");
if (this._state == PartyState.Hosting ||
this._state == PartyState.InParty)
switch(this.State)
{
await this.GetEvents().ConfigureAwait(false);
case PartyStateV2.Hosting:
{
this.SetView.Invoke(typeof(PartyView), typeof(HostPartyViewModel));
break;
}
else
case PartyStateV2.InParty:
{
// TODO
break;
}
default:
{
//Open host selection modal
NewPartyDialogViewModel vm = new NewPartyDialogViewModel();
@ -159,25 +60,28 @@ namespace Aurora.Design.Views.Party
{
this.HideModal();
details = vm.ReturnObject as ConnectionDetails;
_hostname = details.HostName;
this._hostname = details.HostName;
switch (details.ConnectionType)
{
case ConnectionType.Host:
{
OnHostCommandExecute();
this.SetView.Invoke(typeof(PartyView), typeof(HostPartyViewModel));
break;
}
case ConnectionType.Join:
{
OnJoinCommandExecute();
// TODO
break;
}
}
};
this.ShowModal(typeof(NewPartyDialog.NewPartyDialog), vm);
break;
}
}
return Task.FromResult<object>(null);
}
/// <summary>
/// Called by framework when view becomes inactive
@ -185,393 +89,11 @@ namespace Aurora.Design.Views.Party
/// <returns></returns>
public override Task OnInactive()
{
if(this._eventCancellationTokenSource != null){
this._eventCancellationTokenSource.Cancel();
}
// if(this._eventCancellationTokenSource != null){
// this._eventCancellationTokenSource.Cancel();
// }
return Task.FromResult<object>(null);
}
/// <summary>
/// Remote media paused event
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
public void OnRemoteMediaPaused(BaseEvent e)
{
StopPlaying();
}
/// <summary>
/// Remote playing new media event
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
public void OnNewRemoteMediaPlaying(BaseEvent e)
{
PlayFromBeginning(GetMediaFromQueue(e.NewMediaPlayingEvent.Media.Name));
}
/// <summary>
/// Remote resumed playing event
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
public void OnRemoteMediaResumed(BaseEvent e)
{
PlayResume();
}
/// <summary>
/// Member joined party event
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
public void OnPartyMemberJoined(BaseEvent e)
{
Members.Add(e.MemberCreatedEvent.Member);
}
/// <summary>
/// Member left party event
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
public void OnPartyMemberLeft(BaseEvent e)
{
var found = Members.Where(x => x.Name == e.MemberDeletedEvent.MemberName);
foreach (Member member in found)
{
_members.Remove(member);
}
}
#endregion Events
#region Commands
private async void OnJoinCommandExecute()
{
SetState(PartyState.Connecting);
_clientService.Start(_hostname, this._settingsService.DefaultPort.ToString());
await JoinParty(false);
//TODO add cancellation token
try
{
SetState(PartyState.InParty);
await GetEvents().ConfigureAwait(true);
}
catch (Exception ex)
{
Console.WriteLine("Exception occurred while receiviing events: ", ex.Message);
}
}
private bool CanJoinCommandExecute()
{
return true;
}
private async void OnHostCommandExecute()
{
//Change state
SetState(PartyState.Connecting);
_serverService.Start("test", "asdf");
string localHost = ServerService.GetLocalIPAddress();
_clientService.Start(localHost, this._settingsService.DefaultPort.ToString());
await JoinParty(true);
//TODO add cancellation token
try
{
SetState(PartyState.Hosting);
await GetEvents().ConfigureAwait(false);
}
catch (Exception ex)
{
Console.WriteLine("Exception occurred while receiviing events: ", ex.Message);
}
}
private bool CanHostCommandExecute()
{
return true;
}
private async void OnLeavePartyCommandExecute()
{
await _clientService.RemotePartyServiceClient.DeleteMemberAsync(new DeleteMemberRequest()
{
Name = _settingsService.ClientName
});
}
private bool CanLeavePartyCommandExecute()
{
return (this._state == PartyState.InParty || this._state == PartyState.Hosting) ? true : false;
}
public override void OnPlayButtonCommandExecute()
{
if (base.IsPlaying())
{
//Fire play stopped event
AudioMetadata meta = _selectedMedia.Metadata as AudioMetadata;
MediaPausedEvent mediaPaused = new MediaPausedEvent();
_eventManager.FireEvent(new BaseEvent()
{
MediaPausedEvent = mediaPaused
});
}
else
{
//Fire play resume event
AudioMetadata meta = _selectedMedia.Metadata as AudioMetadata;
MediaResumedEvent mediaResumed = new MediaResumedEvent();
_eventManager.FireEvent(new BaseEvent()
{
MediaResumedEvent = mediaResumed
});
}
}
public override bool CanPlayButtonCommandExecute()
{
return this._state == PartyState.Hosting;
}
public override bool CanNextButtonCommandExecute()
{
return this._state == PartyState.Hosting;
}
public override bool CanPreviousButtonCommandExecute()
{
return this._state == PartyState.Hosting;
}
/// <summary>
/// On double click execute, fire media playing event
/// </summary>
public void OnDoubleClickCommandExecute()
{
//Fire Playing event
AudioMetadata meta = _selectedMedia.Metadata as AudioMetadata;
NewMediaPlayingEvent mediaPlaying = new NewMediaPlayingEvent()
{
Media = new Media()
{
//TODO need full resource name
Name = _selectedMedia.Id,
Title = meta.Title,
Artist = meta.Artist,
Album = meta.Album,
}
};
_eventManager.FireEvent(new BaseEvent()
{
NewMediaPlayingEvent = mediaPlaying
});
}
public bool CanDoubleClickCommandExecute()
{
return this._state == PartyState.Hosting;
}
#endregion Commands
#region Private Methods
/// <summary>
/// Join the remote party.
/// </summary>
/// <returns></returns>
private async Task JoinParty(bool asHost)
{
try
{
Member resp = await _clientService.RemotePartyServiceClient.CreateMemberAsync(new CreateMemberRequest
{
Member = new Member()
{
UserName = this._settingsService.Username,
}
});
this._settingsService.ClientName = resp.Name;
await RefreshMembers();
//Subscribe to events
await SubscribeToEvents();
Queue.Clear();
ListMediaResponse mediaResponse = await _clientService.RemotePartyServiceClient.ListMediaAsync(new ListMediaRequest()
{
PageSize = 50,
Parent = "TODO"
});
//Convert received data to remote audio models
foreach (Media data in mediaResponse.Media)
{
//Assign received metadata (since this can't be aquired from a file)
AudioMetadata meta = new AudioMetadata();
meta.Title = data.Title;
meta.Album = data.Album;
meta.Artist = data.Artist;
meta.Duration = data.Duration;
RemoteAudio remote = new RemoteAudio(data.Name,
asHost,
meta,
_clientService.RemotePartyServiceClient);
Queue.Add(remote);
OnPropertyChanged("Queue");
}
}
catch (Exception ex)
{
Console.WriteLine("Error subscribing to events: " + ex.Message);
}
}
private async Task LeaveParty()
{
//Stop receiving events
// _client.StopEvents();
//Unsubscribe
await UnsubscribeFromEvents();
//Leave party
DeleteMemberRequest req = new DeleteMemberRequest()
{
Name = _settingsService.ClientName
};
await _clientService.RemotePartyServiceClient.DeleteMemberAsync(req);
}
private async Task SubscribeToEvents()
{
CreateEventSubscriptionListRequest req = new CreateEventSubscriptionListRequest();
req.Parent = this._settingsService.ClientName;
req.EventSubscriptions.Add(new EventSubscription() { Type = EventType.MemberCreated });
req.EventSubscriptions.Add(new EventSubscription() { Type = EventType.MemberDeleted });
req.EventSubscriptions.Add(new EventSubscription() { Type = EventType.MediaPlaying });
req.EventSubscriptions.Add(new EventSubscription() { Type = EventType.MediaStopped });
Console.WriteLine(string.Format("CLIENT {0} - SubscribeToEvents called from client with id", this._settingsService.ClientName));
await _clientService.RemotePartyServiceClient.CreateEventSubscriptionListAsync(req);
}
private async Task UnsubscribeFromEvents()
{
DeleteAllEventSubscriptionsRequest unsubscribeReq = new DeleteAllEventSubscriptionsRequest();
await _clientService.RemotePartyServiceClient.DeleteAllEventSubscriptionsAsync(unsubscribeReq);
}
/// <summary>
/// Refresh members list.
/// </summary>
private async Task RefreshMembers()
{
Members.Clear();
ListMembersResponse response = await _clientService.RemotePartyServiceClient.ListMembersAsync(
new ListMembersRequest()
{
Parent = "TODO",
PageSize = 50,
});
//Add members
foreach (Member member in response.Members)
{
Members.Add(member);
}
}
private void SetState(PartyState state)
{
_state = state;
OnPropertyChanged("IsSelectingHost");
OnPropertyChanged("IsNotSelectingHost");
}
private BaseMedia GetMediaFromQueue(string Id)
{
if (_queue.Any((BaseMedia media) => media.Id == Id))
{
BaseMedia media = _queue.First((BaseMedia med) => med.Id == Id);
return media;
}
else
{
return null;
}
}
private void PlayFromBeginning(BaseMedia args)
{
base.ChangePlayerState(args, Main.PlayAction.Play);
}
private void PlayResume()
{
base.ChangePlayerState(null, Main.PlayAction.Resume);
}
private void StopPlaying()
{
base.ChangePlayerState(null, Main.PlayAction.Pause);
}
/// <summary>
/// Asynchronous function for processing events off of the event stream.
/// </summary>
/// <returns></returns>
public async Task GetEvents()
{
_eventCancellationTokenSource = new CancellationTokenSource();
string clientName = this._settingsService.ClientName;
Console.WriteLine(string.Format("CLIENT {0} - GetEvents called from client with id", clientName));
using (AsyncServerStreamingCall<BaseEvent> eventStream = _clientService.RemotePartyServiceClient
.GetEvents(new GetEventsRequest { Parent = this._settingsService.ClientName }))
{
try
{
while (!_eventCancellationTokenSource.Token.IsCancellationRequested &&
await eventStream.ResponseStream.MoveNext(_eventCancellationTokenSource.Token))
{
try
{
BaseEvent e = new BaseEvent(eventStream.ResponseStream.Current);
_eventHandlers.TryGetValue(e.DerivedEventCase, out EventHandler handler);
if (handler != null && handler != null)
{
handler.Invoke(e);
}
}
catch (Exception ex)
{
Console.WriteLine("Exception while parsing event ---" + ex.Message);
}
}
}
catch (Exception ex)
{
Console.WriteLine(string.Format("EXCEPTION while parsing events --- " + ex.Message));
}
}
}
#endregion Private Methods
}
}

2
aurora-sharp-desktop/Aurora/UserInterface/Views/Songs/SongsViewModel.cs
View File

@ -5,7 +5,7 @@ using Xamarin.Forms;
namespace Aurora.Design.Views.Songs
{
public class SongsViewModel : BaseViewModel
public class SongsViewModel : BasePlayerViewModel
{
#region Fields
private ObservableCollection<BaseMedia> _songsList;