public ChatInputKeyboardDelegate(ChatInputView chatInputView)
{
_chatInputView = new WeakReferenceEx <ChatInputView>(chatInputView);
_willShowObserver = NSNotificationCenter.DefaultCenter.AddObserver(UIKeyboard.WillShowNotification, (notification) =>
{
if (!KeyBoardOpened)
{
TryInvokeOpenKeyboardEvent(notification);
}
});
_willHideObserver = NSNotificationCenter.DefaultCenter.AddObserver(UIKeyboard.WillHideNotification, (notification) =>
{
if (KeyBoardOpened)
{
KeyBoardOpened = false;
KeyboardHeightChanged?.Invoke(0);
}
});
_willChangeFrameObserver = NSNotificationCenter.DefaultCenter.AddObserver(UIKeyboard.WillChangeFrameNotification, (notification) =>
{
if (KeyBoardOpened)
{
TryInvokeOpenKeyboardEvent(notification);
}
});
}
public ChatInputScrollViewDelegate(ChatInputView chatInputView, UIScrollView scrollView, nfloat scrollViewBottomMargin)
{
_scrollView = new WeakReferenceEx <UIScrollView>(scrollView);
_chatInputView = chatInputView;
_scrollViewBottomMargin = scrollViewBottomMargin;
_chatInputView.KeyboardDelegate.KeyboardHeightChanged += KeyboardDelegate_KeyboardHeightChanged;
}