private protected override void OnClick()
{
var hasAutomationListener = AutomationPeer.ListenerExistsHelper(AutomationEvents.InvokePatternOnInvoked);
if (hasAutomationListener)
{
var automationPeer = GetOrCreateAutomationPeer();
if (automationPeer != null)
{
automationPeer.RaiseAutomationEvent(AutomationEvents.InvokePatternOnInvoked);
}
}
base.OnClick();
}
private protected override void OnLoaded()
{
base.OnLoaded();
var spCurrentFocusedElement = this.GetFocusedElement();
var focusManager = VisualTree.GetFocusManagerForElement(this);
bool setDefaultFocus = focusManager?.IsPluginFocused() == true;
if (setDefaultFocus && spCurrentFocusedElement == null)
{
// Set the focus on the first focusable control
var spFirstFocusableElementCDO = focusManager?.GetFirstFocusableElement(this);
if (spFirstFocusableElementCDO != null && focusManager != null)
{
var spFirstFocusableElementDO = spFirstFocusableElementCDO;
focusManager.InitialFocus = true;
try
{
var focusUpdated = this.SetFocusedElement(
spFirstFocusableElementDO,
FocusState.Programmatic,
false /*animateIfBringIntoView*/);
}
catch (Exception ex)
{
if (this.Log().IsEnabled(LogLevel.Error))
{
this.Log().LogError($"Setting initial page focus failed: {ex}");
}
}
}
if (spFirstFocusableElementCDO == null)
{
// Narrator listens for focus changed events to determine when the UI Automation tree needs refreshed. If we don't set default focus (on Phone) or if we fail to find a focusable element,
// we will need notify the narror of the UIA tree change when page is loaded.
var bAutomationListener = AutomationPeer.ListenerExistsHelper(AutomationEvents.AutomationFocusChanged);
if (bAutomationListener)
{
Uno.UI.Xaml.Core.CoreServices.Instance.UIARaiseFocusChangedEventOnUIAWindow(this);
}
}
}
}
internal override void OnPropertyChanged2(DependencyPropertyChangedEventArgs args)
{
bool hasAutomationListener = false;
base.OnPropertyChanged2(args);
if (args.Property == ToggleSwitch.IsOnProperty)
{
OnToggled();
hasAutomationListener = AutomationPeer.ListenerExistsHelper(AutomationEvents.PropertyChanged);
if (hasAutomationListener)
{
var spAutomationPeer = GetOrCreateAutomationPeer();
if (spAutomationPeer != null)
{
if (spAutomationPeer is ToggleSwitchAutomationPeer spToggleSwitchAutomationPeer)
{
spToggleSwitchAutomationPeer.RaiseToggleStatePropertyChangedEvent(args.OldValue, args.NewValue);
}
}
}
}
else if (args.Property == HeaderProperty)
{
UpdateHeaderPresenterVisibility();
OnHeaderChanged(args.OldValue, args.NewValue);
}
else if (args.Property == HeaderTemplateProperty)
{
UpdateHeaderPresenterVisibility();
}
else if (args.Property == OffContentProperty)
{
OnOffContentChanged(args.OldValue, args.NewValue);
}
else if (args.Property == OnContentProperty)
{
OnOnContentChanged(args.OldValue, args.NewValue);
}
else if (args.Property == VisibilityProperty)
{
OnVisibilityChanged();
}
}
/// <summary>
/// Raises the Click routed event.
/// </summary>
private protected override void OnClick()
{
var hasAutomationListener = AutomationPeer.ListenerExistsHelper(AutomationEvents.InvokePatternOnInvoked);
if (hasAutomationListener)
{
var automationPeer = GetOrCreateAutomationPeer();
if (automationPeer != null)
{
automationPeer.RaiseAutomationEvent(AutomationEvents.InvokePatternOnInvoked);
}
}
base.OnClick();
// If this button has associated Flyout, open it now.
OpenAssociatedFlyout();
}
internal override void OnPropertyChanged2(DependencyPropertyChangedEventArgs args)
{
base.OnPropertyChanged2(args);
if (args.Property == IsCheckedProperty)
{
OnIsCheckedChanged();
var hasAutomationListener = AutomationPeer.ListenerExistsHelper(AutomationEvents.PropertyChanged);
if (hasAutomationListener)
{
var automationPeer = GetOrCreateAutomationPeer();
if (automationPeer != null && !(this is RadioButton))
{
(automationPeer as ToggleButtonAutomationPeer)?.RaiseToggleStatePropertyChangedEvent(args.OldValue, args.NewValue);
}
}
}
}
private protected override async void OnClick()
{
var hasAutomationListener = AutomationPeer.ListenerExistsHelper(AutomationEvents.InvokePatternOnInvoked);
if (hasAutomationListener)
{
var automationPeer = GetOrCreateAutomationPeer();
if (automationPeer != null)
{
automationPeer.RaiseAutomationEvent(AutomationEvents.InvokePatternOnInvoked);
}
}
base.OnClick();
// If NavigateUri is set, launch it in external app.
var uri = NavigateUri;
if (uri != null)
{
await Launcher.LaunchUriAsync(uri);
}
}
internal override void OnPropertyChanged2(DependencyPropertyChangedEventArgs args)
{
base.OnPropertyChanged2(args);
if (args.Property == GroupNameProperty)
{
OnGroupNamePropertyChanged(args.OldValue, args.NewValue);
}
else if (args.Property == IsCheckedProperty)
{
AutomationPeer?automationPeer = null;
bool bOldValue = false;
bool bNewValue = false;
var bListenerExistsForPropertyChangedEvent = AutomationPeer.ListenerExistsHelper(AutomationEvents.PropertyChanged);
var bListenerExistsForElementSelectedEvent = AutomationPeer.ListenerExistsHelper(AutomationEvents.SelectionItemPatternOnElementSelected);
var bListenerExistsForElementRemovedFromSelectionEvent = AutomationPeer.ListenerExistsHelper(AutomationEvents.SelectionItemPatternOnElementRemovedFromSelection);
if (bListenerExistsForPropertyChangedEvent ||
bListenerExistsForElementSelectedEvent ||
bListenerExistsForElementRemovedFromSelectionEvent)
{
automationPeer = GetOrCreateAutomationPeer();
var spOldValue = (bool?)args.OldValue;
var spNewValue = (bool?)args.NewValue;
if (spOldValue != null)
{
bOldValue = spOldValue.Value;
}
if (spNewValue != null)
{
bNewValue = spNewValue.Value;
}
}
if (automationPeer != null)
{
if (bListenerExistsForPropertyChangedEvent)
{
if (automationPeer is RadioButtonAutomationPeer radioButtonAutomationPeer)
{
radioButtonAutomationPeer.RaiseIsSelectedPropertyChangedEvent(bOldValue, bNewValue);
}
}
if (bOldValue != bNewValue)
{
if (bListenerExistsForElementSelectedEvent && bNewValue)
{
automationPeer.RaiseAutomationEvent(AutomationEvents.SelectionItemPatternOnElementSelected);
}
if (bListenerExistsForElementRemovedFromSelectionEvent && !bNewValue)
{
automationPeer.RaiseAutomationEvent(AutomationEvents.SelectionItemPatternOnElementRemovedFromSelection);
}
}
}
}
}
