/
Dialog.cs
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/
Dialog.cs
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/*
* Copyright(c) 2021 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
using System;
using System.ComponentModel;
using Tizen.NUI.BaseComponents;
namespace Tizen.NUI.Components
{
/// <summary>
/// Dialog class shows a dialog with content.
/// </summary>
/// <since_tizen> 9 </since_tizen>
public class Dialog : Control
{
private View content = null;
/// <summary>
/// Creates a new instance of Dialog.
/// </summary>
/// <since_tizen> 9 </since_tizen>
public Dialog() : base()
{
Layout = new AbsoluteLayout();
this.Relayout += OnRelayout;
}
/// <inheritdoc/>
[EditorBrowsable(EditorBrowsableState.Never)]
protected override void Dispose(DisposeTypes type)
{
if (disposed)
{
return;
}
if (type == DisposeTypes.Explicit)
{
this.Relayout -= OnRelayout;
if (content != null)
{
Utility.Dispose(content);
}
}
base.Dispose(type);
}
/// <summary>
/// Popup content of Dialog.
/// Content is added as a child of Dialog automatically.
/// </summary>
/// <since_tizen> 9 </since_tizen>
public View Content
{
get
{
return content;
}
set
{
if (content == value)
{
return;
}
if (content != null)
{
Remove(content);
}
content = value;
if (content == null)
{
return;
}
Add(content);
}
}
/// <summary>
/// Initialize AT-SPI object.
/// </summary>
[EditorBrowsable(EditorBrowsableState.Never)]
public override void OnInitialize()
{
base.OnInitialize();
SetAccessibilityConstructor(Role.Dialog);
AppendAccessibilityAttribute("sub-role", "Alert");
Show(); // calls AddPopup()
}
/// <summary>
/// Informs AT-SPI bridge about the set of AT-SPI states associated with this object.
/// </summary>
[EditorBrowsable(EditorBrowsableState.Never)]
protected override AccessibilityStates AccessibilityCalculateStates(ulong states)
{
var accessibilityStates = base.AccessibilityCalculateStates(states);
FlagSetter(ref accessibilityStates, AccessibilityStates.Modal, true);
return accessibilityStates;
}
private void OnRelayout(object sender, EventArgs e)
{
//FIXME: Needs to separate GUI implementation codes to style cs file.
CalculateContentPosition();
}
private void CalculateContentPosition()
{
var size = Size2D;
var parent = GetParent();
Size2D parentSize;
if ((parent != null) && (parent is View))
{
parentSize = ((View)parent).Size;
}
else
{
parentSize = NUIApplication.GetDefaultWindow().Size;
}
Position2D = new Position2D((parentSize.Width - size.Width) / 2, (parentSize.Height - size.Height) / 2);
}
}
}