/// <summary>
/// Called when the <see cref="AndroidListView"/> is being scrolled.
/// If the view is being scrolled, this method will be called before the next frame of the scroll is rendered.
/// </summary>
/// <param name="view">The <see cref="AndroidListView"/> whose scroll state is being reported.</param>
/// <param name="firstVisibleItem">The index of the first visible cell.</param>
/// <param name="visibleItemCount">The number of visible cells.</param>
/// <param name="totalItemCount">The number of items in the list adaptor.</param>
public void OnScroll(AndroidListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount)
{
var wasTracked = false;
foreach (var t in _trackElements)
{
if (!wasTracked)
{
if (t.IsSafeToTrack(view))
{
wasTracked = true;
_contentOffset += t.GetDeltaY();
SendScrollEvent(_contentOffset);
t.SyncState(view);
}
else
{
t.Reset();
}
}
else
{
t.SyncState(view);
}
}
}
static void n_OnScrollStateChanged_Landroid_widget_AbsListView_I(IntPtr jnienv, IntPtr native__this, IntPtr native_p0, int native_p1)
{
global::Com.Nostra13.Universalimageloader.Core.Listener.PauseOnScrollListener __this = global::Java.Lang.Object.GetObject <global::Com.Nostra13.Universalimageloader.Core.Listener.PauseOnScrollListener> (jnienv, native__this, JniHandleOwnership.DoNotTransfer);
global::Android.Widget.AbsListView p0 = global::Java.Lang.Object.GetObject <global::Android.Widget.AbsListView> (native_p0, JniHandleOwnership.DoNotTransfer);
global::Android.Widget.ScrollState p1 = (global::Android.Widget.ScrollState)native_p1;
__this.OnScrollStateChanged(p0, p1);
}
static void n_OnScrollStateChanged_Landroid_widget_AbsListView_I(IntPtr jnienv, IntPtr native__this, IntPtr native_p0, int native_p1)
{
global::Com.Nhaarman.Listviewanimations.Itemmanipulation.Swipedismiss.SwipeOnScrollListener __this = global::Java.Lang.Object.GetObject <global::Com.Nhaarman.Listviewanimations.Itemmanipulation.Swipedismiss.SwipeOnScrollListener> (jnienv, native__this, JniHandleOwnership.DoNotTransfer);
global::Android.Widget.AbsListView p0 = global::Java.Lang.Object.GetObject <global::Android.Widget.AbsListView> (native_p0, JniHandleOwnership.DoNotTransfer);
global::Android.Widget.ScrollState p1 = (global::Android.Widget.ScrollState)native_p1;
__this.OnScrollStateChanged(p0, p1);
}
static void n_OnScrollStateChanged_Landroid_widget_AbsListView_I(IntPtr jnienv, IntPtr native__this, IntPtr native_p0, int native_p1)
{
global::Com.Bumptech.Glide.ListPreloader __this = global::Java.Lang.Object.GetObject <global::Com.Bumptech.Glide.ListPreloader> (jnienv, native__this, JniHandleOwnership.DoNotTransfer);
global::Android.Widget.AbsListView p0 = global::Java.Lang.Object.GetObject <global::Android.Widget.AbsListView> (native_p0, JniHandleOwnership.DoNotTransfer);
global::Android.Widget.ScrollState p1 = (global::Android.Widget.ScrollState)native_p1;
__this.OnScrollStateChanged(p0, p1);
}
public ContextualUndoListViewTouchListener(global::Android.Widget.AbsListView p0, global::Com.Nhaarman.Listviewanimations.Itemmanipulation.Swipedismiss.Contextualundo.ContextualUndoListViewTouchListener.ICallback p1) : base(IntPtr.Zero, JniHandleOwnership.DoNotTransfer)
{
if (Handle != IntPtr.Zero)
{
return;
}
if (GetType() != typeof(ContextualUndoListViewTouchListener))
{
SetHandle(
global::Android.Runtime.JNIEnv.StartCreateInstance(GetType(), "(Landroid/widget/AbsListView;Lcom/nhaarman/listviewanimations/itemmanipulation/swipedismiss/contextualundo/ContextualUndoListViewTouchListener$Callback;)V", new JValue(p0), new JValue(p1)),
JniHandleOwnership.TransferLocalRef);
global::Android.Runtime.JNIEnv.FinishCreateInstance(Handle, "(Landroid/widget/AbsListView;Lcom/nhaarman/listviewanimations/itemmanipulation/swipedismiss/contextualundo/ContextualUndoListViewTouchListener$Callback;)V", new JValue(p0), new JValue(p1));
return;
}
if (id_ctor_Landroid_widget_AbsListView_Lcom_nhaarman_listviewanimations_itemmanipulation_swipedismiss_contextualundo_ContextualUndoListViewTouchListener_Callback_ == IntPtr.Zero)
{
id_ctor_Landroid_widget_AbsListView_Lcom_nhaarman_listviewanimations_itemmanipulation_swipedismiss_contextualundo_ContextualUndoListViewTouchListener_Callback_ = JNIEnv.GetMethodID(class_ref, "<init>", "(Landroid/widget/AbsListView;Lcom/nhaarman/listviewanimations/itemmanipulation/swipedismiss/contextualundo/ContextualUndoListViewTouchListener$Callback;)V");
}
SetHandle(
global::Android.Runtime.JNIEnv.StartCreateInstance(class_ref, id_ctor_Landroid_widget_AbsListView_Lcom_nhaarman_listviewanimations_itemmanipulation_swipedismiss_contextualundo_ContextualUndoListViewTouchListener_Callback_, new JValue(p0), new JValue(p1)),
JniHandleOwnership.TransferLocalRef);
JNIEnv.FinishCreateInstance(Handle, class_ref, id_ctor_Landroid_widget_AbsListView_Lcom_nhaarman_listviewanimations_itemmanipulation_swipedismiss_contextualundo_ContextualUndoListViewTouchListener_Callback_, new JValue(p0), new JValue(p1));
}
public void SetAbsListView(global::Android.Widget.AbsListView p0)
{
if (id_setAbsListView_Landroid_widget_AbsListView_ == IntPtr.Zero)
{
id_setAbsListView_Landroid_widget_AbsListView_ = JNIEnv.GetMethodID(class_ref, "setAbsListView", "(Landroid/widget/AbsListView;)V");
}
JNIEnv.CallVoidMethod(Handle, id_setAbsListView_Landroid_widget_AbsListView_, new JValue(p0));
}
static IntPtr n_CreateListViewTouchListener_Landroid_widget_AbsListView_(IntPtr jnienv, IntPtr native__this, IntPtr native_p0)
{
global::Com.Nhaarman.Listviewanimations.Itemmanipulation.Swipedismiss.SwipeDismissAdapter __this = global::Java.Lang.Object.GetObject <global::Com.Nhaarman.Listviewanimations.Itemmanipulation.Swipedismiss.SwipeDismissAdapter> (jnienv, native__this, JniHandleOwnership.DoNotTransfer);
global::Android.Widget.AbsListView p0 = global::Java.Lang.Object.GetObject <global::Android.Widget.AbsListView> (native_p0, JniHandleOwnership.DoNotTransfer);
IntPtr __ret = JNIEnv.ToLocalJniHandle(__this.CreateListViewTouchListener(p0));
return(__ret);
}
/// <summary>
/// Synchronize the state for the tracked view.
/// </summary>
/// <param name="view">The native list view.</param>
public void SyncState(AndroidListView view)
{
if (view.ChildCount > 0)
{
_trackedView = GetChild(view);
_trackedViewPrevTop = GetY();
_trackedViewPrevPosition = view.GetPositionForView(_trackedView);
}
}
/// <summary>
/// Called when the <see cref="AndroidListView"/> has been scrolled.
/// </summary>
/// <param name="view">The <see cref="AndroidListView"/> whose scroll state is being reported.</param>
/// <param name="scrollState">The current scroll state.</param>
public void OnScrollStateChanged(AndroidListView view, [GeneratedEnum] AndroidScrollState scrollState)
{
// Initialize the values every time the list is moving.
if (scrollState == AndroidScrollState.TouchScroll || scrollState == AndroidScrollState.Fling)
{
foreach (var t in _trackElements)
{
t.SyncState(view);
}
}
}
static void n_OnDismiss_Landroid_widget_AbsListView_arrayI(IntPtr jnienv, IntPtr native__this, IntPtr native_p0, IntPtr native_p1)
{
global::Com.Nhaarman.Listviewanimations.Itemmanipulation.IOnDismissCallback __this = global::Java.Lang.Object.GetObject <global::Com.Nhaarman.Listviewanimations.Itemmanipulation.IOnDismissCallback> (jnienv, native__this, JniHandleOwnership.DoNotTransfer);
global::Android.Widget.AbsListView p0 = global::Java.Lang.Object.GetObject <global::Android.Widget.AbsListView> (native_p0, JniHandleOwnership.DoNotTransfer);
int[] p1 = (int[])JNIEnv.GetArray(native_p1, JniHandleOwnership.DoNotTransfer, typeof(int));
__this.OnDismiss(p0, p1);
if (p1 != null)
{
JNIEnv.CopyArray(p1, native_p1);
}
}
public void OnDismiss(global::Android.Widget.AbsListView p0, int[] p1)
{
if (id_onDismiss_Landroid_widget_AbsListView_arrayI == IntPtr.Zero)
{
id_onDismiss_Landroid_widget_AbsListView_arrayI = JNIEnv.GetMethodID(class_ref, "onDismiss", "(Landroid/widget/AbsListView;[I)V");
}
IntPtr native_p1 = JNIEnv.NewArray(p1);
JNIEnv.CallVoidMethod(Handle, id_onDismiss_Landroid_widget_AbsListView_arrayI, new JValue(p0), new JValue(native_p1));
if (p1 != null)
{
JNIEnv.CopyArray(native_p1, p1);
JNIEnv.DeleteLocalRef(native_p1);
}
}
public virtual void OnScroll(global::Android.Widget.AbsListView p0, int p1, int p2, int p3)
{
if (id_onScroll_Landroid_widget_AbsListView_III == IntPtr.Zero)
{
id_onScroll_Landroid_widget_AbsListView_III = JNIEnv.GetMethodID(class_ref, "onScroll", "(Landroid/widget/AbsListView;III)V");
}
if (GetType() == ThresholdType)
{
JNIEnv.CallVoidMethod(Handle, id_onScroll_Landroid_widget_AbsListView_III, new JValue(p0), new JValue(p1), new JValue(p2), new JValue(p3));
}
else
{
JNIEnv.CallNonvirtualVoidMethod(Handle, ThresholdClass, JNIEnv.GetMethodID(ThresholdClass, "onScroll", "(Landroid/widget/AbsListView;III)V"), new JValue(p0), new JValue(p1), new JValue(p2), new JValue(p3));
}
}
public virtual void OnScrollStateChanged(global::Android.Widget.AbsListView p0, [global::Android.Runtime.GeneratedEnum] global::Android.Widget.ScrollState p1)
{
if (id_onScrollStateChanged_Landroid_widget_AbsListView_I == IntPtr.Zero)
{
id_onScrollStateChanged_Landroid_widget_AbsListView_I = JNIEnv.GetMethodID(class_ref, "onScrollStateChanged", "(Landroid/widget/AbsListView;I)V");
}
if (GetType() == ThresholdType)
{
JNIEnv.CallVoidMethod(Handle, id_onScrollStateChanged_Landroid_widget_AbsListView_I, new JValue(p0), new JValue((int)p1));
}
else
{
JNIEnv.CallNonvirtualVoidMethod(Handle, ThresholdClass, JNIEnv.GetMethodID(ThresholdClass, "onScrollStateChanged", "(Landroid/widget/AbsListView;I)V"), new JValue(p0), new JValue((int)p1));
}
}
/// <summary>
/// Get a child view for the specified position.
/// </summary>
/// <param name="view">The native list view.</param>
/// <returns>A child view for the specified position.</returns>
private global::Android.Views.View GetChild(AndroidListView view)
{
switch (_position)
{
case 0:
return(view.GetChildAt(0));
case 1:
case 2:
return(view.GetChildAt(view.ChildCount / 2));
case 3:
return(view.GetChildAt(view.ChildCount - 1));
default:
return(null);
}
}
public virtual unsafe void OnScrollStateChanged(global::Android.Widget.AbsListView p0, [global::Android.Runtime.GeneratedEnum] global::Android.Widget.ScrollState p1)
{
if (id_onScrollStateChanged_Landroid_widget_AbsListView_I == IntPtr.Zero)
{
id_onScrollStateChanged_Landroid_widget_AbsListView_I = JNIEnv.GetMethodID(class_ref, "onScrollStateChanged", "(Landroid/widget/AbsListView;I)V");
}
try {
JValue *__args = stackalloc JValue [2];
__args [0] = new JValue(p0);
__args [1] = new JValue((int)p1);
if (GetType() == ThresholdType)
{
JNIEnv.CallVoidMethod(Handle, id_onScrollStateChanged_Landroid_widget_AbsListView_I, __args);
}
else
{
JNIEnv.CallNonvirtualVoidMethod(Handle, ThresholdClass, JNIEnv.GetMethodID(ThresholdClass, "onScrollStateChanged", "(Landroid/widget/AbsListView;I)V"), __args);
}
} finally {
}
}
public virtual unsafe void OnScroll(global::Android.Widget.AbsListView p0, int p1, int p2, int p3)
{
if (id_onScroll_Landroid_widget_AbsListView_III == IntPtr.Zero)
{
id_onScroll_Landroid_widget_AbsListView_III = JNIEnv.GetMethodID(class_ref, "onScroll", "(Landroid/widget/AbsListView;III)V");
}
try {
JValue *__args = stackalloc JValue [4];
__args [0] = new JValue(p0);
__args [1] = new JValue(p1);
__args [2] = new JValue(p2);
__args [3] = new JValue(p3);
if (GetType() == ThresholdType)
{
JNIEnv.CallVoidMethod(Handle, id_onScroll_Landroid_widget_AbsListView_III, __args);
}
else
{
JNIEnv.CallNonvirtualVoidMethod(Handle, ThresholdClass, JNIEnv.GetMethodID(ThresholdClass, "onScroll", "(Landroid/widget/AbsListView;III)V"), __args);
}
} finally {
}
}
void global::Com.Nhaarman.Listviewanimations.IListViewSetter.SetAbsListView(global::Android.Widget.AbsListView listView)
{
AbsListView = listView;
}
protected virtual global::Com.Nhaarman.Listviewanimations.Itemmanipulation.Swipedismiss.SwipeDismissListViewTouchListener CreateListViewTouchListener(global::Android.Widget.AbsListView p0)
{
if (id_createListViewTouchListener_Landroid_widget_AbsListView_ == IntPtr.Zero)
{
id_createListViewTouchListener_Landroid_widget_AbsListView_ = JNIEnv.GetMethodID(class_ref, "createListViewTouchListener", "(Landroid/widget/AbsListView;)Lcom/nhaarman/listviewanimations/itemmanipulation/swipedismiss/SwipeDismissListViewTouchListener;");
}
global::Com.Nhaarman.Listviewanimations.Itemmanipulation.Swipedismiss.SwipeDismissListViewTouchListener __ret;
if (GetType() == ThresholdType)
{
__ret = global::Java.Lang.Object.GetObject <global::Com.Nhaarman.Listviewanimations.Itemmanipulation.Swipedismiss.SwipeDismissListViewTouchListener> (JNIEnv.CallObjectMethod(Handle, id_createListViewTouchListener_Landroid_widget_AbsListView_, new JValue(p0)), JniHandleOwnership.TransferLocalRef);
}
else
{
__ret = global::Java.Lang.Object.GetObject <global::Com.Nhaarman.Listviewanimations.Itemmanipulation.Swipedismiss.SwipeDismissListViewTouchListener> (JNIEnv.CallNonvirtualObjectMethod(Handle, ThresholdClass, JNIEnv.GetMethodID(ThresholdClass, "createListViewTouchListener", "(Landroid/widget/AbsListView;)Lcom/nhaarman/listviewanimations/itemmanipulation/swipedismiss/SwipeDismissListViewTouchListener;"), new JValue(p0)), JniHandleOwnership.TransferLocalRef);
}
return(__ret);
}
/// <summary>
/// Determine if it is safe to track the nested view.
/// </summary>
/// <param name="view">The native list view.</param>
/// <returns>True if safe, false if not.</returns>
public bool IsSafeToTrack(AndroidListView view)
{
return(_trackedView != null &&
_trackedView.Parent == view &&
view.GetPositionForView(_trackedView) == _trackedViewPrevPosition);
}
static void n_SetAbsListView_Landroid_widget_AbsListView_(IntPtr jnienv, IntPtr native__this, IntPtr native_p0)
{
global::Com.Nhaarman.Listviewanimations.BaseAdapterDecorator __this = global::Java.Lang.Object.GetObject <global::Com.Nhaarman.Listviewanimations.BaseAdapterDecorator> (jnienv, native__this, JniHandleOwnership.DoNotTransfer);
global::Android.Widget.AbsListView p0 = global::Java.Lang.Object.GetObject <global::Android.Widget.AbsListView> (native_p0, JniHandleOwnership.DoNotTransfer);
__this.AbsListView = p0;
}
private bool CanScrollUp(global::Android.Views.View view)
{
if (!RefreshView.IsPullToRefreshEnabled)
{
return(true);
}
else
{
ViewGroup viewGroup = view as ViewGroup;
if (viewGroup == null)
{
return(base.CanChildScrollUp());
}
int sdk = (int)global::Android.OS.Build.VERSION.SdkInt;
if (sdk >= 16)
{
//
//is a scroll container such as listview, scroll view, gridview
//
if (viewGroup.IsScrollContainer)
{
return(base.CanChildScrollUp());
}
}
//
//if you have something custom and you can't scroll up you might need to enable this
//for instance on a custom recycler view where the code above isn't working!
//
for (int i = 0; i < viewGroup.ChildCount; i++)
{
var child = viewGroup.GetChildAt(i);
if (child is global::Android.Widget.AbsListView)
{
global::Android.Widget.AbsListView list = child as global::Android.Widget.AbsListView;
if (list != null)
{
if (list.FirstVisiblePosition == 0)
{
global::Android.Views.View subChild = list.GetChildAt(0);
return(subChild != null && subChild.Top != 0);
}
//
//if children are in list and we are scrolled a bit... sure you can scroll up
//
return(true);
}
}
else if (child is global::Android.Widget.ScrollView)
{
global::Android.Widget.ScrollView scrollview = child as global::Android.Widget.ScrollView;
return(scrollview.ScrollY <= 0.0);
}
else if (child is global::Android.Webkit.WebView)
{
global::Android.Webkit.WebView webView = child as global::Android.Webkit.WebView;
return(webView.ScrollY > 0.0);
}
else if (child is global::Android.Support.V4.Widget.SwipeRefreshLayout)
{
return(CanScrollUp(child as ViewGroup));
}
//
//else if something else like a recycler view?
//
}
return(false);
}
}
static void n_OnScroll_Landroid_widget_AbsListView_III(IntPtr jnienv, IntPtr native__this, IntPtr native_p0, int p1, int p2, int p3)
{
global::Com.Bumptech.Glide.ListPreloader __this = global::Java.Lang.Object.GetObject <global::Com.Bumptech.Glide.ListPreloader> (jnienv, native__this, JniHandleOwnership.DoNotTransfer);
global::Android.Widget.AbsListView p0 = global::Java.Lang.Object.GetObject <global::Android.Widget.AbsListView> (native_p0, JniHandleOwnership.DoNotTransfer);
__this.OnScroll(p0, p1, p2, p3);
}
