public void BasicConstructorLifeCycleTest()
{
var listenerSuccess = false;
var publisher = new TestEventPublisher();
var listener = new PropertyChangedWeakEventListener(publisher, (sender, e) => listenerSuccess = true);
//------------------
listenerSuccess.Is(false);
publisher.RaisePropertyChanged(string.Empty);
listenerSuccess.Is(true);
//------------------
listenerSuccess = false;
listener.Dispose();
publisher.RaisePropertyChanged(string.Empty);
listenerSuccess.Is(false);
try
{
listener.RegisterHandler((sender, e) => listenerSuccess = true);
}
catch (Exception e)
{
e.GetType().Is(typeof(ObjectDisposedException));
}
}
public void WeakEventTest()
{
var listener1Success = false;
var eventPublisher = new TestEventPublisher();
var listener1 = new PropertyChangedWeakEventListener(eventPublisher, (sender, e) => listener1Success = true);
var listenerWeakReference = new WeakReference(listener1);
//------------------
listener1Success.Is(false);
eventPublisher.RaisePropertyChanged(null);
listener1Success.Is(true);
//------------------
listener1Success = false;
listener1 = null;
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
eventPublisher.RaisePropertyChanged(null);
listener1Success.Is(false);
}
public void SourceReferenceMemoryLeakTest()
{
var handler1Called = false;
var publisherStrongReference = new TestEventPublisher();
var publisherWeakReference = new WeakReference <TestEventPublisher>(publisherStrongReference);
var listener = new PropertyChangedWeakEventListener(publisherStrongReference);
listener.RegisterHandler("Dummy1", (sender, e) => { e.PropertyName.Is("Dummy1"); handler1Called = true; });
publisherStrongReference.RaisePropertyChanged("Dummy1");
handler1Called.Is(true);
listener.Dispose();
publisherStrongReference = null;
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
TestEventPublisher resultPublisher = null;
publisherWeakReference.TryGetTarget(out resultPublisher).Is(false);
resultPublisher.IsNull();
}
public void FilteredHandlerLifeCycleTest()
{
var handler1Called = false;
var handler2Called = false;
var handler3Called = false;
var publisher = new TestEventPublisher();
var listener = new PropertyChangedWeakEventListener(publisher);
listener.RegisterHandler("Dummy1", (sender, e) => { e.PropertyName.Is("Dummy1"); handler1Called = true; });
listener.RegisterHandler("Dummy2", (sender, e) => { e.PropertyName.Is("Dummy2"); handler2Called = true; });
listener.RegisterHandler("Dummy1", (sender, e) => { e.PropertyName.Is("Dummy1"); handler3Called = true; });
publisher.RaisePropertyChanged("Dummy1");
publisher.RaisePropertyChanged("Dummy2");
handler1Called.Is(true);
handler2Called.Is(true);
handler3Called.Is(true);
//------------------
handler1Called = false;
handler2Called = false;
handler3Called = false;
listener.Dispose();
publisher.RaisePropertyChanged("Dummy1");
publisher.RaisePropertyChanged("Dummy2");
handler1Called.Is(false);
handler2Called.Is(false);
handler3Called.Is(false);
}
public void BasicConstructorLifeCycleTest()
{
var listenerSuccess = false;
var publisher = new TestEventPublisher();
var listener = new PropertyChangedWeakEventListener(publisher, (sender, e) => listenerSuccess = true);
//------------------
listenerSuccess.Is(false);
publisher.RaisePropertyChanged(string.Empty);
listenerSuccess.Is(true);
//------------------
listenerSuccess = false;
listener.Dispose();
publisher.RaisePropertyChanged(string.Empty);
listenerSuccess.Is(false);
try
{
listener.RegisterHandler((sender, e) => listenerSuccess = true);
}
catch (Exception e)
{
e.GetType().Is(typeof(ObjectDisposedException));
}
}
public AccountSelectWindow()
{
InitializeComponent();
composite = new LivetCompositeDisposable();
ctxlistener = new PropertyChangedWeakEventListener((INotifyPropertyChanged)DataContext);
ctxlistener.Add("StartNewAccount", ExpandNewAccount);
ctxlistener.Add("FinishNewAccount", CollapseNewAccount);
}
public NotificationPage(NotificationViewModel vm)
{
InitializeComponent();
DataContext = vm;
this.vm = vm;
composite = new LivetCompositeDisposable();
ctxlistener = new PropertyChangedWeakEventListener((INotifyPropertyChanged)DataContext);
}
public NotificationPage(NotificationViewModel vm)
{
InitializeComponent();
DataContext = vm;
this.vm = vm;
composite = new LivetCompositeDisposable();
ctxlistener = new PropertyChangedWeakEventListener((INotifyPropertyChanged)DataContext);
}
public AccountSelectWindow()
{
InitializeComponent();
composite = new LivetCompositeDisposable();
ctxlistener = new PropertyChangedWeakEventListener((INotifyPropertyChanged)DataContext);
ctxlistener.Add("StartNewAccount", ExpandNewAccount);
ctxlistener.Add("FinishNewAccount", CollapseNewAccount);
}
public MainWindow()
{
InitializeComponent();
vm = DataContext as MainWindowViewModel;
composite = new LivetCompositeDisposable();
ctxlistener = new PropertyChangedWeakEventListener(vm);
ctxlistener.Add("AccessTokenRequest", StartAccountSelect);
ctxlistener.Add("ReplyStart", ExpandNewTweet);
ctxlistener.Add("ToggleNewStatus", ToggleNewTweet);
ctxlistener.Add("StatusAction", (s, e) => RequestAction(vm.StatusAction.Type, vm.StatusAction.Information));
ctxlistener.Add("UserTimeline", (s, e) =>
AddTab("ユーザー定義タブ1",
new Frame
{
NavigationUIVisibility = NavigationUIVisibility.Hidden,
Content = new UserCustomizableTimelinePage(vm.UserTimelineViewModel)
}, vm.UserTimelineViewModel));
ctxlistener.Add("StatusUpdate", (s, e) =>
{
DispatcherHelper.UIDispatcher.BeginInvoke(new Action(() =>
{
if (TabControlMain.SelectedIndex != 0 && setting.MainWindow.NotifyNewStatus)
{
EmphasisTextBlock(TextBlockTimeline);
urs++;
TextBlockUnreadStatuses.Text = String.Format(" {0}", urs);
}
}));
});
ctxlistener.Add("EventUpdate", (s, e) =>
{
DispatcherHelper.UIDispatcher.BeginInvoke(new Action(() =>
{
if (TabControlMain.SelectedIndex != 1 && setting.MainWindow.NotifyNewNotification)
{
EmphasisTextBlock(TextBlockNotification);
urn++;
TextBlockUnreadNotifications.Text = String.Format(" {0}", urn);
}
}));
});
composite.Add(ctxlistener);
setting = Kbtter3Extension.LoadJson<Kbtter3Setting>(App.ConfigurationFileName);
if (!setting.MainWindow.AllowJokeCommands) ToolBarJokes.Visibility = Visibility.Collapsed;
SetShortcuts();
}
public MainWindow()
{
InitializeComponent();
vm = DataContext as MainWindowViewModel;
composite = new LivetCompositeDisposable();
ctxlistener = new PropertyChangedWeakEventListener(vm);
ctxlistener.Add("AccessTokenRequest", StartAccountSelect);
ctxlistener.Add("ReplyStart", ExpandNewTweet);
ctxlistener.Add("ToggleNewStatus", ToggleNewTweet);
ctxlistener.Add("StatusAction", (s, e) => RequestAction(vm.StatusAction.Type, vm.StatusAction.Information));
ctxlistener.Add("UserTimeline", (s, e) =>
AddTab("ユーザー定義タブ1",
new Frame
{
NavigationUIVisibility = NavigationUIVisibility.Hidden,
Content = new UserCustomizableTimelinePage(vm.UserTimelineViewModel)
}, vm.UserTimelineViewModel));
ctxlistener.Add("StatusUpdate", (s, e) =>
{
DispatcherHelper.UIDispatcher.BeginInvoke(new Action(() =>
{
if (TabControlMain.SelectedIndex != 0 && setting.MainWindow.NotifyNewStatus)
{
EmphasisTextBlock(TextBlockTimeline);
urs++;
TextBlockUnreadStatuses.Text = String.Format(" {0}", urs);
}
}));
});
ctxlistener.Add("EventUpdate", (s, e) =>
{
DispatcherHelper.UIDispatcher.BeginInvoke(new Action(() =>
{
if (TabControlMain.SelectedIndex != 1 && setting.MainWindow.NotifyNewNotification)
{
EmphasisTextBlock(TextBlockNotification);
urn++;
TextBlockUnreadNotifications.Text = String.Format(" {0}", urn);
}
}));
});
composite.Add(ctxlistener);
setting = Kbtter3Extension.LoadJson <Kbtter3Setting>(App.ConfigurationFileName);
if (!setting.MainWindow.AllowJokeCommands)
{
ToolBarJokes.Visibility = Visibility.Collapsed;
}
SetShortcuts();
}
public HandlerMemoryLeakTestClass(INotifyPropertyChanged publisher)
{
Listener = new PropertyChangedWeakEventListener(publisher);
// This handler refers "this".
PropertyChangedEventHandler handler = (sender, e) => { ToString(); };
Listener.RegisterHandler(handler);
Listener.RegisterHandler("Dummy1", handler);
}
public StatusPage(StatusViewModel vm)
{
statvm = vm;
DataContext = vm;
InitializeComponent();
elm = vm.TextElements;
stsn = vm.ScreenName;
if (vm.Via == "") StackPanelBlockVia.Visibility = Visibility.Collapsed;
SetMainText();
composite = new LivetCompositeDisposable();
ctxlistener = new PropertyChangedWeakEventListener((INotifyPropertyChanged)DataContext);
ctxlistener.Add("Delete", DeleteContent);
}
public void MultipleHandlerLifeCycleTest()
{
var handler1Success = false;
var handler2Success = false;
var publisher = new TestEventPublisher();
var listener = new PropertyChangedWeakEventListener(publisher);
//------------------
handler1Success.Is(false);
handler2Success.Is(false);
publisher.RaisePropertyChanged(string.Empty);
handler1Success.Is(false);
handler2Success.Is(false);
//------------------
listener.RegisterHandler((sender, e) => handler1Success = true);
publisher.RaisePropertyChanged(string.Empty);
handler1Success.Is(true);
handler2Success.Is(false);
//------------------
handler1Success = false;
handler2Success = false;
listener.RegisterHandler((sender, e) => handler2Success = true);
publisher.RaisePropertyChanged(string.Empty);
handler1Success.Is(true);
handler2Success.Is(true);
//------------------
handler1Success = false;
handler2Success = false;
listener.Dispose();
publisher.RaisePropertyChanged(string.Empty);
handler1Success.Is(false);
handler2Success.Is(false);
}
public void MultipleHandlerLifeCycleTest()
{
var handler1Success = false;
var handler2Success = false;
var publisher = new TestEventPublisher();
var listener = new PropertyChangedWeakEventListener(publisher);
//------------------
handler1Success.Is(false);
handler2Success.Is(false);
publisher.RaisePropertyChanged(string.Empty);
handler1Success.Is(false);
handler2Success.Is(false);
//------------------
listener.RegisterHandler((sender, e) => handler1Success = true);
publisher.RaisePropertyChanged(string.Empty);
handler1Success.Is(true);
handler2Success.Is(false);
//------------------
handler1Success = false;
handler2Success = false;
listener.RegisterHandler((sender, e) => handler2Success = true);
publisher.RaisePropertyChanged(string.Empty);
handler1Success.Is(true);
handler2Success.Is(true);
//------------------
handler1Success = false;
handler2Success = false;
listener.Dispose();
publisher.RaisePropertyChanged(string.Empty);
handler1Success.Is(false);
handler2Success.Is(false);
}
public StatusPage(StatusViewModel vm)
{
statvm = vm;
DataContext = vm;
InitializeComponent();
elm = vm.TextElements;
stsn = vm.ScreenName;
if (vm.Via == "")
{
StackPanelBlockVia.Visibility = Visibility.Collapsed;
}
SetMainText();
composite = new LivetCompositeDisposable();
ctxlistener = new PropertyChangedWeakEventListener((INotifyPropertyChanged)DataContext);
ctxlistener.Add("Delete", DeleteContent);
}
public void MultiThreadHandlerTest()
{
var publisher = new TestEventPublisher();
var listener = new PropertyChangedWeakEventListener(publisher);
var handlerCalledCount = 0;
var parentTask = new Task(() =>
{
var tf = new TaskFactory(TaskCreationOptions.AttachedToParent, TaskContinuationOptions.AttachedToParent);
for (int i = 0; i < 50; i++)
{
tf.StartNew(() =>
{
for (int f = 0; f < 500; f++)
{
listener.RegisterHandler("Dummy1", (sender, e) => { e.PropertyName.Is("Dummy1"); handlerCalledCount++; });
}
});
}
});
parentTask.Start();
parentTask.Wait();
handlerCalledCount.Is(0);
publisher.RaisePropertyChanged("Dummy1");
handlerCalledCount.Is(25000);
handlerCalledCount = 0;
listener.Dispose();
publisher.RaisePropertyChanged("Dummy1");
handlerCalledCount.Is(0);
}
/// <summary>
/// <see cref="ChangeValueWhenModelPropertyChangeAttribute"/> が指定されたプロパティの変更通知を有効化します。
/// </summary>
protected void EnableAutoPropertyChangedEvent(INotifyPropertyChanged model)
{
PropertyChangedWeakEventListener listener = null;
foreach (var prop in this.GetType().GetProperties(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance))
{
PropertyChangedEventHandler handler = null;
foreach (var attr in prop.GetCustomAttributes <ChangeValueWhenModelPropertyChangeAttribute>())
{
if (attr.DependentPropertyNames == null)
{
continue;
}
foreach (var propName in attr.DependentPropertyNames)
{
if (listener == null)
{
listener = new PropertyChangedWeakEventListener(model);
}
if (handler == null)
{
handler = CreateHandler(prop.Name);
}
listener.Add(propName, handler);
}
}
}
if (listener != null)
{
this.CompositeDisposable.Add(listener);
}
PropertyChangedEventHandler CreateHandler(string propertyName) => (_, __) => this.RaisePropertyChanged(propertyName);
}
public void SourceReferenceMemoryLeakTest()
{
var handler1Called = false;
var publisherStrongReference = new TestEventPublisher();
var publisherWeakReference = new WeakReference<TestEventPublisher>(publisherStrongReference);
var listener = new PropertyChangedWeakEventListener(publisherStrongReference);
listener.RegisterHandler("Dummy1", (sender, e) => { e.PropertyName.Is("Dummy1"); handler1Called = true; });
publisherStrongReference.RaisePropertyChanged("Dummy1");
handler1Called.Is(true);
listener.Dispose();
publisherStrongReference = null;
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
TestEventPublisher resultPublisher = null;
publisherWeakReference.TryGetTarget(out resultPublisher).Is(false);
resultPublisher.IsNull();
}
public void FilteredHandlerLifeCycleTest()
{
var handler1Called = false;
var handler2Called = false;
var handler3Called = false;
var publisher = new TestEventPublisher();
var listener = new PropertyChangedWeakEventListener(publisher);
listener.RegisterHandler("Dummy1", (sender, e) => { e.PropertyName.Is("Dummy1"); handler1Called = true; });
listener.RegisterHandler("Dummy2", (sender, e) => { e.PropertyName.Is("Dummy2"); handler2Called = true; });
listener.RegisterHandler("Dummy1", (sender, e) => { e.PropertyName.Is("Dummy1"); handler3Called = true; });
publisher.RaisePropertyChanged("Dummy1");
publisher.RaisePropertyChanged("Dummy2");
handler1Called.Is(true);
handler2Called.Is(true);
handler3Called.Is(true);
//------------------
handler1Called = false;
handler2Called = false;
handler3Called = false;
listener.Dispose();
publisher.RaisePropertyChanged("Dummy1");
publisher.RaisePropertyChanged("Dummy2");
handler1Called.Is(false);
handler2Called.Is(false);
handler3Called.Is(false);
}
public void AddHandlerKindTest()
{
var handler1Called = false;
var handler2Called = false;
var handler3Called = false;
var handler4Called = false;
var handler5Called = false;
var publisher = new TestEventPublisher();
var listener1 = new PropertyChangedWeakEventListener(publisher)
{
{"Dummy1", (sender, e) => { e.PropertyName.Is("Dummy1"); handler1Called = true; }},
{() => publisher.Dummy2,
(sender, e) => { e.PropertyName.Is("Dummy2"); handler2Called = true;},
(sender, e) => { e.PropertyName.Is("Dummy2"); handler3Called = true;}
},
(sender,e) => handler4Called = true,
{"Dummy1", (sender, e) => { e.PropertyName.Is("Dummy1"); handler5Called = true; }}
};
publisher.RaisePropertyChanged(null);
handler1Called.Is(false);
handler2Called.Is(false);
handler3Called.Is(false);
handler4Called.Is(true);
handler5Called.Is(false);
handler4Called = false;
publisher.RaisePropertyChanged("Dummy1");
handler1Called.Is(true);
handler2Called.Is(false);
handler3Called.Is(false);
handler4Called.Is(true);
handler5Called.Is(true);
handler1Called = false;
handler4Called = false;
handler5Called = false;
publisher.RaisePropertyChanged("Dummy2");
handler1Called.Is(false);
handler2Called.Is(true);
handler3Called.Is(true);
handler4Called.Is(true);
handler5Called.Is(false);
handler1Called = false;
handler2Called = false;
handler3Called = false;
handler4Called = false;
handler5Called = false;
listener1.Dispose();
publisher.RaisePropertyChanged("Dummy1");
publisher.RaisePropertyChanged("Dummy2");
handler1Called.Is(false);
handler2Called.Is(false);
handler3Called.Is(false);
handler4Called.Is(false);
handler5Called.Is(false);
}
public void MultiThreadHandlerTest()
{
var publisher = new TestEventPublisher();
var listener = new PropertyChangedWeakEventListener(publisher);
var handlerCalledCount = 0;
var parentTask = new Task(() =>
{
var tf = new TaskFactory(TaskCreationOptions.AttachedToParent, TaskContinuationOptions.AttachedToParent);
for (int i = 0; i < 50; i++)
{
tf.StartNew(() =>
{
for (int f = 0; f < 500; f++)
{
listener.RegisterHandler("Dummy1", (sender, e) => { e.PropertyName.Is("Dummy1"); handlerCalledCount++; });
}
});
}
});
parentTask.Start();
parentTask.Wait();
handlerCalledCount.Is(0);
publisher.RaisePropertyChanged("Dummy1");
handlerCalledCount.Is(25000);
handlerCalledCount = 0;
listener.Dispose();
publisher.RaisePropertyChanged("Dummy1");
handlerCalledCount.Is(0);
}
public void AddHandlerKindTest()
{
var handler1Called = false;
var handler2Called = false;
var handler3Called = false;
var handler4Called = false;
var handler5Called = false;
var publisher = new TestEventPublisher();
var listener1 = new PropertyChangedWeakEventListener(publisher)
{
{ "Dummy1", (sender, e) => { e.PropertyName.Is("Dummy1"); handler1Called = true; } },
{ () => publisher.Dummy2,
(sender, e) => { e.PropertyName.Is("Dummy2"); handler2Called = true; },
(sender, e) => { e.PropertyName.Is("Dummy2"); handler3Called = true; } },
(sender, e) => handler4Called = true,
{ "Dummy1", (sender, e) => { e.PropertyName.Is("Dummy1"); handler5Called = true; } }
};
publisher.RaisePropertyChanged(null);
handler1Called.Is(false);
handler2Called.Is(false);
handler3Called.Is(false);
handler4Called.Is(true);
handler5Called.Is(false);
handler4Called = false;
publisher.RaisePropertyChanged("Dummy1");
handler1Called.Is(true);
handler2Called.Is(false);
handler3Called.Is(false);
handler4Called.Is(true);
handler5Called.Is(true);
handler1Called = false;
handler4Called = false;
handler5Called = false;
publisher.RaisePropertyChanged("Dummy2");
handler1Called.Is(false);
handler2Called.Is(true);
handler3Called.Is(true);
handler4Called.Is(true);
handler5Called.Is(false);
handler1Called = false;
handler2Called = false;
handler3Called = false;
handler4Called = false;
handler5Called = false;
listener1.Dispose();
publisher.RaisePropertyChanged("Dummy1");
publisher.RaisePropertyChanged("Dummy2");
handler1Called.Is(false);
handler2Called.Is(false);
handler3Called.Is(false);
handler4Called.Is(false);
handler5Called.Is(false);
}
public HandlerMemoryLeakTestClass(INotifyPropertyChanged publisher)
{
Listener = new PropertyChangedWeakEventListener(publisher);
// This handler refers "this".
PropertyChangedEventHandler handler = (sender, e) => { ToString(); };
Listener.RegisterHandler(handler);
Listener.RegisterHandler("Dummy1", handler);
}
/// <summary>
/// <see cref="ChangeCanExecuteWhenModelPropertyChangeAttribute"/> および <see cref="ChangeCanExecuteWhenThisPropertyChangeAttribute"/> が指定されたコマンドの <see cref="System.Windows.Input.ICommand.CanExecuteChanged"/> を自動的に発生させるようにします。
/// </summary>
protected void EnableAutoCanExecuteChangedEvent(INotifyPropertyChanged model = null)
{
PropertyChangedEventListener thisListener = null;
PropertyChangedWeakEventListener modelListener = null;
foreach (var prop in this.GetType().GetProperties(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance))
{
PropertyChangedEventHandler handler = null;
foreach (var attr in prop.GetCustomAttributes())
{
if (attr is ChangeCanExecuteWhenThisPropertyChangeAttribute thisAttr)
{
if (thisAttr.DependentPropertyNames == null)
{
continue;
}
foreach (var propName in thisAttr.DependentPropertyNames)
{
if (thisListener == null)
{
thisListener = new PropertyChangedEventListener(this);
}
if (handler == null)
{
handler = CreateHandler(prop);
}
thisListener.Add(propName, handler);
}
}
else if (attr is ChangeCanExecuteWhenModelPropertyChangeAttribute modelAttr)
{
if (modelAttr.DependentPropertyNames == null)
{
continue;
}
if (model == null)
{
throw new ArgumentNullException(nameof(ChangeCanExecuteWhenModelPropertyChangeAttribute)
+ " が指定されたプロパティが存在するにもかかわらず " + nameof(model) + " が null です。");
}
foreach (var propName in modelAttr.DependentPropertyNames)
{
if (modelListener == null)
{
modelListener = new PropertyChangedWeakEventListener(model);
}
if (handler == null)
{
handler = CreateHandler(prop);
}
modelListener.Add(propName, handler);
}
}
}
}
if (thisListener != null)
{
this.CompositeDisposable.Add(thisListener);
}
if (modelListener != null)
{
this.CompositeDisposable.Add(modelListener);
}
PropertyChangedEventHandler CreateHandler(PropertyInfo prop) =>
Expression.Lambda <PropertyChangedEventHandler>(
Expression.Call(
Expression.Property(Expression.Constant(this), prop),
s_viewModelCommandRaiseCanExecuteChangedMethodInfo
),
Expression.Parameter(typeof(object)),
Expression.Parameter(typeof(PropertyChangedEventArgs))
).Compile();
}
public void WeakEventTest()
{
var listener1Success = false;
var eventPublisher = new TestEventPublisher();
var listener1 = new PropertyChangedWeakEventListener(eventPublisher, (sender, e) => listener1Success = true);
var listenerWeakReference = new WeakReference(listener1);
//------------------
listener1Success.Is(false);
eventPublisher.RaisePropertyChanged(null);
listener1Success.Is(true);
//------------------
listener1Success = false;
listener1 = null;
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
eventPublisher.RaisePropertyChanged(null);
listener1Success.Is(false);
}
