void ProgressSliderElement_Seeked(object sender, ValueRoutedEventArgs e)
{
if (ViewModel != null)
{
bool canceled = false;
ViewModel.Seek(TimeSpan.FromSeconds(e.Value), out canceled);
e.Canceled = canceled;
}
}
void ProgressSliderElement_ScrubbingCompleted(object sender, ValueRoutedEventArgs e)
{
if (ViewModel != null)
{
bool canceled = false;
ViewModel.CompleteScrub(TimeSpan.FromSeconds(e.Value), ref canceled);
e.Canceled = canceled;
}
}
/// <summary>
/// Invokes the Seeked event.
/// </summary>
/// <param name="e">EventArgs used to provide info about the event</param>
protected void OnSeeked(ValueRoutedEventArgs e)
{
if (Seeked != null)
{
ignoreValueChanged = true;
try
{
Seeked(this, e);
}
finally { ignoreValueChanged = false; }
}
}
/// <summary>
/// Invokes the Scrubbing event.
/// </summary>
/// <param name="e">EventArgs used to provide info about the event</param>
protected void OnScrubbing(ValueRoutedEventArgs e)
{
if (Scrubbing != null)
{
ignoreValueChanged = true;
try
{
Scrubbing(this, e);
}
finally { ignoreValueChanged = false; }
}
}
/// <summary>
/// Invokes the Seeked event.
/// </summary>
/// <param name="e">EventArgs used to provide info about the event</param>
protected void OnSeeked(ValueRoutedEventArgs e)
{
if (Seeked != null)
{
ignoreValueChanged = true;
try
{
Seeked(this, e);
}
finally { ignoreValueChanged = false; }
}
}
/// <summary>
/// Invokes the ScrubbingCompleted event.
/// </summary>
/// <param name="e">EventArgs used to provide info about the event</param>
protected void OnScrubbingCompleted(ValueRoutedEventArgs e)
{
VisualStateManager.GoToState(this, "NotScrubbing", true);
if (ScrubbingCompleted != null)
{
ignoreValueChanged = true;
try
{
ScrubbingCompleted(this, e);
}
finally { ignoreValueChanged = false; }
}
}
void ProgressSliderElement_ScrubbingStarted(object sender, ValueRoutedEventArgs e)
{
if (ViewModel != null)
{
var vm = ViewModel; // hold onto this in case the ViewModel changes because of this action. This way we can ensure we're calling the same one.
bool canceled = false;
vm.StartScrub(TimeSpan.FromSeconds(e.Value), out canceled);
if (canceled)
{
ProgressSliderElement.CancelScrub();
vm.CompleteScrub(TimeSpan.FromSeconds(e.Value), ref canceled);
}
e.Canceled = canceled;
}
}
/// <inheritdoc />
protected override void OnValueChanged(double oldValue, double newValue)
{
if (!ignoreValueChanged)
{
var value = Math.Min(newValue, Max);
if (inboundValue || !IsEnabled)
{
base.OnValueChanged(oldValue, value);
}
else
{
var args = new ValueRoutedEventArgs(value);
if (IsScrubbing)
{
OnScrubbing(args);
}
else
{
OnSeeked(args);
}
if (!args.Canceled)
{
base.OnValueChanged(oldValue, value);
}
else
{
inboundValue = true;
try
{
Value = oldValue;
}
finally
{
inboundValue = false;
}
}
}
}
}
private void bar_PointerPressed(object sender, PointerRoutedEventArgs e)
#endif
{
#if SILVERLIGHT
pointerCaptured = ((FrameworkElement)sender).CaptureMouse();
#else
pointerCaptured = ((FrameworkElement)sender).CapturePointer(e.Pointer);
#endif
UpdateScrubbingVisualState();
if (pointerCaptured)
{
#if SILVERLIGHT
pointerReleaseAction = () => ((FrameworkElement)sender).ReleaseMouseCapture();
#else
pointerReleaseAction = () => ((FrameworkElement)sender).ReleasePointerCapture(e.Pointer);
#endif
double?newValue = null;
if (Orientation == Orientation.Horizontal)
{
newValue = GetHorizontalPanelMousePosition(e);
}
else
{
newValue = GetVerticalPanelMousePosition(e);
}
if (newValue.HasValue)
{
var value = Math.Min(newValue.Value, Max);
var args = new ValueRoutedEventArgs(value);
OnScrubbingStarted(args);
if (!args.Canceled)
{
Value = value;
}
}
}
e.Handled = true;
}
void ProgressSliderElement_ScrubbingStarted(object sender, ValueRoutedEventArgs e)
{
if (ViewModel != null)
{
var vm = ViewModel; // hold onto this in case the ViewModel changes because of this action. This way we can ensure we're calling the same one.
bool canceled = false;
vm.StartScrub(TimeSpan.FromSeconds(e.Value), out canceled);
if (canceled)
{
ProgressSliderElement.CancelScrub();
vm.CompleteScrub(TimeSpan.FromSeconds(e.Value), ref canceled);
}
e.Canceled = canceled;
}
}
void ProgressSliderElement_ScrubbingCompleted(object sender, ValueRoutedEventArgs e)
{
if (ViewModel != null)
{
bool canceled = false;
ViewModel.CompleteScrub(TimeSpan.FromSeconds(e.Value), ref canceled);
e.Canceled = canceled;
}
}
void ProgressSliderElement_Seeked(object sender, ValueRoutedEventArgs e)
{
if (ViewModel != null)
{
bool canceled = false;
ViewModel.Seek(TimeSpan.FromSeconds(e.Value), out canceled);
e.Canceled = canceled;
}
}
/// <summary>
/// Invokes the ScrubbingCompleted event.
/// </summary>
/// <param name="e">EventArgs used to provide info about the event</param>
protected void OnScrubbingCompleted(ValueRoutedEventArgs e)
{
VisualStateManager.GoToState(this, "NotScrubbing", true);
if (ScrubbingCompleted != null)
{
ignoreValueChanged = true;
try
{
ScrubbingCompleted(this, e);
}
finally { ignoreValueChanged = false; }
}
}
/// <inheritdoc />
protected override void OnValueChanged(double oldValue, double newValue)
{
if (!ignoreValueChanged)
{
var value = Math.Min(newValue, Max);
if (inboundValue || !IsEnabled)
{
base.OnValueChanged(oldValue, value);
}
else
{
var args = new ValueRoutedEventArgs(value);
if (IsScrubbing)
{
OnScrubbing(args);
}
else
{
OnSeeked(args);
}
if (!args.Canceled)
{
base.OnValueChanged(oldValue, value);
}
else
{
inboundValue = true;
try
{
Value = oldValue;
}
finally
{
inboundValue = false;
}
}
}
}
}
/// <summary>
/// Invokes the Scrubbing event.
/// </summary>
/// <param name="e">EventArgs used to provide info about the event</param>
protected void OnScrubbing(ValueRoutedEventArgs e)
{
if (Scrubbing != null)
{
ignoreValueChanged = true;
try
{
Scrubbing(this, e);
}
finally { ignoreValueChanged = false; }
}
}
private void bar_PointerPressed(object sender, PointerRoutedEventArgs e)
#endif
{
#if SILVERLIGHT
pointerCaptured = ((FrameworkElement)sender).CaptureMouse();
#else
pointerCaptured = ((FrameworkElement)sender).CapturePointer(e.Pointer);
#endif
UpdateScrubbingVisualState();
if (pointerCaptured)
{
#if SILVERLIGHT
pointerReleaseAction = () => ((FrameworkElement)sender).ReleaseMouseCapture();
#else
pointerReleaseAction = () => ((FrameworkElement)sender).ReleasePointerCapture(e.Pointer);
#endif
double? newValue = null;
if (Orientation == Orientation.Horizontal) newValue = GetHorizontalPanelMousePosition(e);
else newValue = GetVerticalPanelMousePosition(e);
if (newValue.HasValue)
{
var value = Math.Min(newValue.Value, Max);
var args = new ValueRoutedEventArgs(value);
OnScrubbingStarted(args);
if (!args.Canceled)
{
Value = value;
}
}
}
e.Handled = true;
}
