public static string SetAccessibilityName(this IAccessibleObject Control, Element Element, string _defaultAccessibilityName = null)
{
if (Element == null || Control == null)
{
return(_defaultAccessibilityName);
}
if (_defaultAccessibilityName == null)
{
_defaultAccessibilityName = Control.Name;
}
Control.Name = (string)Element.GetValue(AutomationProperties.NameProperty) ?? _defaultAccessibilityName;
return(_defaultAccessibilityName);
}
public static string SetAccessibilityDescription(this IAccessibleObject Control, Element Element, string _defaultAccessibilityDescription = null)
{
if (Element == null || Control == null)
{
return(_defaultAccessibilityDescription);
}
if (_defaultAccessibilityDescription == null)
{
_defaultAccessibilityDescription = Control.Description;
}
Control.Description = (string)Element.GetValue(AutomationProperties.HelpTextProperty) ?? _defaultAccessibilityDescription;
return(_defaultAccessibilityDescription);
}
public static void SetLabeledBy(this IAccessibleObject Control, Element Element)
{
if (Element == null || Control == null)
{
return;
}
var targetElement = (VisualElement)Element.GetValue(AutomationProperties.LabeledByProperty);
AccessibleObject view = (AccessibleObject)Platform.GetRenderer(targetElement)?.NativeView;
if (view != null)
{
Control.AppendRelation(new LabelledBy()
{
Target = view
});
}
}
public static bool?SetIsAccessibilityElement(this IAccessibleObject Control, Element Element, bool?_defaultIsAccessibilityElement = null)
{
if (Element == null || Control == null)
{
return(_defaultIsAccessibilityElement);
}
if (!_defaultIsAccessibilityElement.HasValue)
{
_defaultIsAccessibilityElement = Control.CanHighlight;
}
Control.CanHighlight = (bool)((bool?)Element.GetValue(AutomationProperties.IsInAccessibleTreeProperty) ?? _defaultIsAccessibilityElement);
// Images are ignored by default on Tizen. So, make accessible in order to enable the gesture and narration
if (Control.CanHighlight && Element is Image)
{
Control.Role = AccessRole.PushButton;
}
return(_defaultIsAccessibilityElement);
}
Widget CreatePage(Window win, string pageName)
{
Box box = new Box(win);
((IAccessibleObject)box).Name = pageName;
box.Show();
Button abutton = new Button(win)
{
Text = "Accessibility-normal",
WeightX = 1,
AlignmentX = -1
};
((IAccessibleObject)abutton).TranslationDomain = "kr";
((IAccessibleObject)abutton).Name = "Accessibility";
((IAccessibleObject)abutton).Description = "Description for Accessibility";
Label abutton_label = new Label(win)
{
WeightX = 1,
AlignmentX = -1
};
abutton_label.Text =
"domain : " + ((IAccessibleObject)abutton).TranslationDomain +
", name : " + ((IAccessibleObject)abutton).Name +
", desc : " + ((IAccessibleObject)abutton).Description;
Button bbutton = new Button(win)
{
Text = "Accessibility-provider",
WeightX = 1,
AlignmentX = -1
};
((IAccessibleObject)bbutton).NameProvider = (obj) => "Name-provider";
((IAccessibleObject)bbutton).DescriptionProvider = (obj) => "Description-provider";
Label bbutton_label = new Label(win)
{
WeightX = 1,
AlignmentX = -1
};
bbutton_label.Text =
"name : " + ((IAccessibleObject)bbutton).Name +
", desc : " + ((IAccessibleObject)bbutton).Description;
Button cbutton = new Button(win)
{
Text = "Readingtype,CanHighlight",
WeightX = 1,
AlignmentX = -1
};
((IAccessibleObject)cbutton).ReadingInfoType =
ReadingInfoType.Name | ReadingInfoType.Role | ReadingInfoType.Description;
((IAccessibleObject)cbutton).Name = "FooFoo";
((IAccessibleObject)cbutton).Role = AccessRole.Text;
((IAccessibleObject)cbutton).Description = "FooFooButton";
Label name_onoff_label = new Label(win)
{
Text = "ReadingInfoType.Name : " +
((((IAccessibleObject)cbutton).ReadingInfoType & ReadingInfoType.Name) != 0 ? "on" : "off"),
WeightX = 1,
AlignmentX = -1
};
Label role_onoff_label = new Label(win)
{
Text = "ReadingInfoType.Role : " +
((((IAccessibleObject)cbutton).ReadingInfoType & ReadingInfoType.Role) != 0 ? "on" : "off"),
WeightX = 1,
AlignmentX = -1
};
Label description_onoff_label = new Label(win)
{
Text = "ReadingInfoType.Description : " +
((((IAccessibleObject)cbutton).ReadingInfoType & ReadingInfoType.Description) != 0 ? "on" : "off"),
WeightX = 1,
AlignmentX = -1
};
Label state_onoff_label = new Label(win)
{
Text = "ReadingInfoType.State : " +
((((IAccessibleObject)cbutton).ReadingInfoType & ReadingInfoType.State) != 0 ? "on" : "off"),
WeightX = 1,
AlignmentX = -1
};
Button saybutton = new Button(win)
{
Text = "HHGG with false",
WeightX = 1,
AlignmentX = -1
};
Button saybutton2 = new Button(win)
{
Text = "HHGG with true",
WeightX = 1,
AlignmentX = -1
};
int labelIndex = 0;
Button roleButton = new Button(win)
{
WeightX = 1,
AlignmentX = -1
};
roleButton.Clicked += (s, e) =>
{
if (labelIndex >= accessRoleValues.Length)
{
labelIndex = 0;
}
IAccessibleObject obj = roleButton as IAccessibleObject;
AccessRole role = (AccessRole)accessRoleValues.GetValue(labelIndex);
obj.Role = role;
roleButton.Text = Enum.GetName(typeof(AccessRole), obj.Role);
labelIndex++;
};
Label label = new Label(win)
{
Text = string.Format("{0} Apple", sequence++),
WeightX = 1,
AlignmentX = -1
};
((IAccessibleObject)label).Name = "Apple";
Button push = new Button(win)
{
Text = "Push",
WeightX = 1,
AlignmentX = -1
};
((IAccessibleObject)push).Name = "PushButton";
Button pop = new Button(win)
{
Text = "pop",
WeightX = 1,
AlignmentX = -1,
};
((IAccessibleObject)pop).Name = "PopButton";
abutton.Show();
abutton_label.Show();
bbutton.Show();
bbutton_label.Show();
cbutton.Show();
name_onoff_label.Show();
role_onoff_label.Show();
description_onoff_label.Show();
state_onoff_label.Show();
saybutton.Show();
saybutton2.Show();
roleButton.Show();
label.Show();
push.Show();
pop.Show();
push.Clicked += (s, e) =>
{
NaviItem item = navi.Push(CreatePage(win, string.Format("Apple {0}", sequence - 1)), string.Format("Page {0}", sequence - 1));
};
Label statusLog = new Label(win)
{
WeightX = 1,
AlignmentX = -1
};
statusLog.Show();
saybutton.Clicked += (s, e) =>
{
AccessibleUtil.Say("The Hitchhiker's Guide to the Galaxy", false)
.ContinueWith(status => { statusLog.Text = StatusStr(status.Result); });
};
saybutton2.Clicked += (s, e) =>
{
AccessibleUtil.Say("The Hitchhiker's Guide to the Galaxy", true)
.ContinueWith(status => { statusLog.Text = StatusStr(status.Result); });
};
pop.Clicked += (s, e) =>
{
var item = navi.NavigationStack.LastOrDefault();
navi.Pop();
};
box.PackEnd(abutton);
box.PackEnd(abutton_label);
box.PackEnd(bbutton);
box.PackEnd(bbutton_label);
box.PackEnd(cbutton);
box.PackEnd(name_onoff_label);
box.PackEnd(role_onoff_label);
box.PackEnd(description_onoff_label);
box.PackEnd(state_onoff_label);
box.PackEnd(saybutton);
box.PackEnd(saybutton2);
box.PackEnd(roleButton);
box.PackEnd(label);
box.PackEnd(push);
box.PackEnd(pop);
box.PackEnd(statusLog);
return(box);
}
