remove unused code, part 2

4 files changed, 0 insertions, 387 deletions

diff --git a/Juick/Classes/BindingChangedEventArgs.cs b/Juick/Classes/BindingChangedEventArgs.cs
deleted file mode 100644
index 3b68751..0000000
--- a/Juick/Classes/BindingChangedEventArgs.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using System;
-using System.Windows;
-
-namespace Juick.Classes
-{
-    public class BindingChangedEventArgs : EventArgs
-    {
-        public DependencyPropertyChangedEventArgs EventArgs { get; private set; }
-
-        public BindingChangedEventArgs(DependencyPropertyChangedEventArgs e)
-        {
-            EventArgs = e;
-        }
-    }
-}
diff --git a/Juick/Classes/DeferredLoadListBox.cs b/Juick/Classes/DeferredLoadListBox.cs
deleted file mode 100644
index 165a395..0000000
--- a/Juick/Classes/DeferredLoadListBox.cs
+++ /dev/null
@@ -1,275 +0,0 @@
-// Copyright (C) Microsoft Corporation. All Rights Reserved.
-// This code released under the terms of the Microsoft Public License
-// (Ms-PL, http://opensource.org/licenses/ms-pl.html).
-
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Controls.Primitives;
-using System.Windows.Data;
-using System.Windows.Media;
-
-namespace Juick.Classes
-{
-    /// <summary>
-    /// Implements a subclass of ListBox based on a StackPanel that defers the
-    /// loading of off-screen items until necessary in order to minimize impact
-    /// to the UI thread.
-    /// </summary>
-    public class DeferredLoadListBox : ListBox
-    {
-        private enum OverlapKind { Overlap, ChildAbove, ChildBelow };
-
-        private ScrollViewer _scrollViewer;
-        private ItemContainerGenerator _generator;
-        private bool _queuedUnmaskVisibleContent;
-        private bool _inOnApplyTemplate;
-
-        /// <summary>
-        /// Handles the application of the Control's Template.
-        /// </summary>
-        public override void OnApplyTemplate()
-        {
-            // Unhook from old Template elements
-            _inOnApplyTemplate = true;
-            ClearValue(VerticalOffsetShadowProperty);
-            _scrollViewer = null;
-            _generator = null;
-
-            // Apply new Template
-            base.OnApplyTemplate();
-
-            // Hook up to new Template elements
-            _scrollViewer = FindFirstChildOfType<ScrollViewer>(this);
-            if (null == _scrollViewer)
-            {
-                throw new NotSupportedException("Control Template must include a ScrollViewer (wrapping ItemsHost).");
-            }
-            _generator = ItemContainerGenerator;
-            SetBinding(VerticalOffsetShadowProperty, new Binding { Source = _scrollViewer, Path = new PropertyPath("VerticalOffset") });
-            _inOnApplyTemplate = false;
-        }
-
-        /// <summary>
-        /// Determines if the specified item is (or is eligible to be) its own item container.
-        /// </summary>
-        /// <param name="item">The specified item.</param>
-        /// <returns>true if the item is its own item container; otherwise, false.</returns>
-        protected override bool IsItemItsOwnContainerOverride(object item)
-        {
-            // Check container type
-            return item is DeferredLoadListBoxItem;
-        }
-
-        /// <summary>
-        /// Creates or identifies the element used to display a specified item.
-        /// </summary>
-        /// <returns>A DeferredLoadListBoxItem corresponding to a specified item.</returns>
-        protected override DependencyObject GetContainerForItemOverride()
-        {
-            // Create container (matches ListBox implementation)
-            var item = new DeferredLoadListBoxItem();
-            if (ItemContainerStyle != null)
-            {
-                item.Style = ItemContainerStyle;
-            }
-            return item;
-        }
-
-        /// <summary>
-        /// Prepares the specified element to display the specified item.
-        /// </summary>
-        /// <param name="element">The element used to display the specified item.</param>
-        /// <param name="item">The item to display.</param>
-        protected override void PrepareContainerForItemOverride(DependencyObject element, object item)
-        {
-            // Perform base class preparation
-            base.PrepareContainerForItemOverride(element, item);
-
-            // Mask the container's content
-            var container = (DeferredLoadListBoxItem)element;
-            if (!DesignerProperties.IsInDesignTool)
-            {
-                container.MaskContent();
-            }
-
-            // Queue a (single) pass to unmask newly visible content on the next tick
-            if (!_queuedUnmaskVisibleContent)
-            {
-                _queuedUnmaskVisibleContent = true;
-                Dispatcher.BeginInvoke(() =>
-                {
-                    _queuedUnmaskVisibleContent = false;
-                    UnmaskVisibleContent();
-                });
-            }
-        }
-
-        private static readonly DependencyProperty VerticalOffsetShadowProperty =
-            DependencyProperty.Register("VerticalOffsetShadow", typeof(double), typeof(DeferredLoadListBox), new PropertyMetadata(-1.0, OnVerticalOffsetShadowChanged));
-        private static void OnVerticalOffsetShadowChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
-        {
-            // Handle ScrollViewer VerticalOffset change by unmasking newly visible content
-            ((DeferredLoadListBox)o).UnmaskVisibleContent();
-        }
-
-        private void UnmaskVisibleContent()
-        {
-            // Capture variables
-            var count = Items.Count;
-
-            // Find index of any container within view using (1-indexed) binary search
-            var index = -1;
-            var l = 0;
-            var r = count + 1;
-            while (-1 == index)
-            {
-                var p = (r - l) / 2;
-                if (0 == p)
-                {
-                    break;
-                }
-                p += l;
-                var c = (DeferredLoadListBoxItem)_generator.ContainerFromIndex(p - 1);
-                if (null == c)
-                {
-                    if (_inOnApplyTemplate)
-                    {
-                        // Applying template; don't expect to have containers at this point
-                        return;
-                    }
-                    // Should always be able to get the container
-                    var presenter = FindFirstChildOfType<ItemsPresenter>(_scrollViewer);
-                    var panel = (null == presenter) ? null : FindFirstChildOfType<Panel>(presenter);
-                    if (panel is VirtualizingStackPanel)
-                    {
-                        throw new NotSupportedException("Must change ItemsPanel to be a StackPanel (via the ItemsPanel property).");
-                    }
-                    else
-                    {
-                        throw new NotSupportedException("Couldn't find container for item (ItemsPanel should be a StackPanel).");
-                    }
-                }
-                switch (Overlap(_scrollViewer, c, 0))
-                {
-                    case OverlapKind.Overlap:
-                        index = p - 1;
-                        break;
-                    case OverlapKind.ChildAbove:
-                        l = p;
-                        break;
-                    case OverlapKind.ChildBelow:
-                        r = p;
-                        break;
-                }
-            }
-
-            if (-1 != index)
-            {
-                // Unmask visible items below the current item
-                for (var i = index; i < count; i++)
-                {
-                    if (!UnmaskItemContent(i))
-                    {
-                        break;
-                    }
-                }
-
-                // Unmask visible items above the current item
-                for (var i = index - 1; 0 <= i; i--)
-                {
-                    if (!UnmaskItemContent(i))
-                    {
-                        break;
-                    }
-                }
-            }
-        }
-
-        private bool UnmaskItemContent(int index)
-        {
-            var container = (DeferredLoadListBoxItem)_generator.ContainerFromIndex(index);
-            if (null != container)
-            {
-                // Return quickly if not masked (but periodically check visibility anyway so we can stop once we're out of range)
-                if (!container.Masked && (0 != (index % 16)))
-                {
-                    return true;
-                }
-                // Check necessary conditions
-                if (0 == container.ActualHeight)
-                {
-                    // In some cases, ActualHeight will be 0 here, but can be "fixed" with an explicit call to UpdateLayout
-                    container.UpdateLayout();
-                    if (0 == container.ActualHeight)
-                    {
-                        throw new NotSupportedException("All containers must have a Height set (ex: via ItemContainerStyle), though the heights do not all need to be the same.");
-                    }
-                }
-                // If container overlaps the "visible" area (i.e. on or near the screen), unmask it
-                if (OverlapKind.Overlap == Overlap(_scrollViewer, container, 2 * _scrollViewer.ActualHeight))
-                {
-                    container.UnmaskContent();
-                    return true;
-                }
-            }
-            return false;
-        }
-
-        private static bool Overlap(double startA, double endA, double startB, double endB)
-        {
-            return (((startA <= startB) && (startB <= endA)) ||
-                    ((startB <= startA) && (startA <= endB)));
-        }
-
-        private static OverlapKind Overlap(ScrollViewer parent, FrameworkElement child, double padding)
-        {
-            // Get child transform relative to parent
-            //var transform = child.TransformToVisual(parent); // Unreliable on Windows Phone 7; throws ArgumentException sometimes
-            var layoutSlot = LayoutInformation.GetLayoutSlot(child);
-            var transform = new TranslateTransform { /*X = layoutSlot.Left - parent.HorizontalOffset,*/ Y = layoutSlot.Top - parent.VerticalOffset };
-            // Get child bounds relative to parent
-            var bounds = new Rect(transform.Transform(new Point()), transform.Transform(new Point(/*child.ActualWidth*/ 0, child.ActualHeight)));
-            // Return kind of overlap
-            if (Overlap(0 - padding, parent.ActualHeight + padding, bounds.Top, bounds.Bottom))
-            {
-                return OverlapKind.Overlap;
-            }
-            else if (bounds.Top < 0)
-            {
-                return OverlapKind.ChildAbove;
-            }
-            else
-            {
-                return OverlapKind.ChildBelow;
-            }
-        }
-
-        private static T FindFirstChildOfType<T>(DependencyObject root) where T : class
-        {
-            // Enqueue root node
-            var queue = new Queue<DependencyObject>();
-            queue.Enqueue(root);
-            while (0 < queue.Count)
-            {
-                // Dequeue next node and check its children
-                var current = queue.Dequeue();
-                for (var i = VisualTreeHelper.GetChildrenCount(current) - 1; 0 <= i; i--)
-                {
-                    var child = VisualTreeHelper.GetChild(current, i);
-                    var typedChild = child as T;
-                    if (null != typedChild)
-                    {
-                        return typedChild;
-                    }
-                    // Enqueue child
-                    queue.Enqueue(child);
-                }
-            }
-            // No children match
-            return null;
-        }
-    }
-}
diff --git a/Juick/Classes/DeferredLoadListBoxItem.cs b/Juick/Classes/DeferredLoadListBoxItem.cs
deleted file mode 100644
index 97bfc18..0000000
--- a/Juick/Classes/DeferredLoadListBoxItem.cs
+++ /dev/null
@@ -1,45 +0,0 @@
-// Copyright (C) Microsoft Corporation. All Rights Reserved.
-// This code released under the terms of the Microsoft Public License
-// (Ms-PL, http://opensource.org/licenses/ms-pl.html).
-
-using System.Windows;
-using System.Windows.Controls;
-
-namespace Juick.Classes
-{
-    /// <summary>
-    /// Implements a subclass of ListBoxItem that is used in conjunction with
-    /// the DeferredLoadListBox to defer the loading of off-screen items.
-    /// </summary>
-    public class DeferredLoadListBoxItem : ListBoxItem
-    {
-        private object _maskedContent;
-        private DataTemplate _maskedContentTemplate;
-
-        internal bool Masked { get; set; }
-
-        internal void MaskContent()
-        {
-            if (!Masked)
-            {
-                _maskedContent = Content;
-                _maskedContentTemplate = ContentTemplate;
-                Content = null;
-                ContentTemplate = null;
-                Masked = true;
-            }
-        }
-
-        internal void UnmaskContent()
-        {
-            if (Masked)
-            {
-                ContentTemplate = _maskedContentTemplate;
-                Content = _maskedContent;
-                _maskedContentTemplate = null;
-                _maskedContent = null;
-                Masked = false;
-            }
-        }
-    }
-}
diff --git a/Juick/Classes/DependencyPropertyListener.cs b/Juick/Classes/DependencyPropertyListener.cs
deleted file mode 100644
index 693c16a..0000000
--- a/Juick/Classes/DependencyPropertyListener.cs
+++ /dev/null
@@ -1,52 +0,0 @@
-using System;
-using System.Windows;
-using System.Windows.Data;
-
-namespace Juick.Classes
-{
-    public class DependencyPropertyListener
-    {
-        static int index;
-        
-        readonly DependencyProperty property;
-        FrameworkElement target;
-        public event EventHandler<BindingChangedEventArgs> Changed;
-
-        public DependencyPropertyListener()
-        {
-            property = DependencyProperty.RegisterAttached(
-                "DependencyPropertyListener" + DependencyPropertyListener.index++,
-                typeof(object),
-                typeof(DependencyPropertyListener),
-                new PropertyMetadata(null, new PropertyChangedCallback(HandleValueChanged)));
-        }
-        
-        public void Attach(FrameworkElement element, Binding binding)
-        {
-            if (element == null)
-            {
-                throw new ArgumentNullException("element");
-            }
-            if (target != null)
-            {
-                throw new InvalidOperationException("Cannot attach an already attached listener");
-            }
-            target = element;
-            target.SetBinding(property, binding);
-        }
-        
-        public void Detach()
-        {
-            target.ClearValue(property);
-            target = null;
-        }
-        
-        void HandleValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
-        {
-            if (Changed != null)
-            {
-                Changed.Invoke(this, new BindingChangedEventArgs(e));
-            }
-        }
-    }
-}