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//
// PasswordEntryBackend.cs
//
// Author:
// Jérémie Laval <jeremie.laval@xamarin.com>
//
// Copyright (c) 2013 Xamarin Inc
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using AppKit;
using Foundation;
using Xwt.Backends;
namespace Xwt.Mac
{
public class PasswordEntryBackend : ViewBackend<NSView, IPasswordEntryEventSink>, IPasswordEntryBackend
{
public PasswordEntryBackend ()
{
}
public override void Initialize ()
{
base.Initialize ();
var view = new CustomSecureTextField (EventSink, ApplicationContext);
ViewObject = new CustomAlignedContainer (EventSink, ApplicationContext, (NSView)view) { DrawsBackground = false };
}
protected override void OnSizeToFit ()
{
Container.SizeToFit ();
}
CustomAlignedContainer Container {
get { return (CustomAlignedContainer)base.Widget; }
}
public new NSSecureTextField Widget {
get { return (NSSecureTextField)Container.Child; }
}
protected override Size GetNaturalSize ()
{
var s = base.GetNaturalSize ();
return new Size (EventSink.GetDefaultNaturalSize ().Width, s.Height);
}
public string Password {
get {
return Widget.StringValue;
}
set {
Widget.StringValue = value ?? string.Empty;
}
}
public System.Security.SecureString SecurePassword {
get {
return null;
}
}
public string PlaceholderText {
get {
return ((NSTextFieldCell)Widget.Cell).PlaceholderString;
}
set {
((NSTextFieldCell)Widget.Cell).PlaceholderString = value ?? string.Empty;
}
}
public override Drawing.Color BackgroundColor {
get {
return Widget.BackgroundColor.ToXwtColor ();
}
set {
Widget.BackgroundColor = value.ToNSColor ();
Widget.Cell.DrawsBackground = true;
Widget.Cell.BackgroundColor = value.ToNSColor ();
}
}
}
class CustomSecureTextField : NSSecureTextField, IViewObject
{
IPasswordEntryEventSink eventSink;
ApplicationContext context;
public CustomSecureTextField (IPasswordEntryEventSink eventSink, ApplicationContext context)
{
this.context = context;
this.eventSink = eventSink;
Activated += (sender, e) => context.InvokeUserCode (eventSink.OnActivated);
}
public NSView View {
get {
return this;
}
}
public ViewBackend Backend { get; set; }
public override void DidChange (NSNotification notification)
{
base.DidChange (notification);
context.InvokeUserCode (eventSink.OnChanged);
}
}
}
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