public ChatMessageNode(
ChatMessageViewModel viewModel,
IItemActionHandler <ChatMessageViewModel> contextMenuComponent)
{
_viewModelRef = WeakReferenceEx.Create(viewModel);
_contextMenuComponent = contextMenuComponent;
_isMyMessage = viewModel.IsMine;
Execute.BeginOnUIThread(() => View.AddGestureRecognizer(new UILongPressGestureRecognizer(TryShowMenu)));
BackgroundColor = UIColor.FromRGB(245, 245, 245);
SelectionStyle = UITableViewCellSelectionStyle.None;
AutomaticallyManagesSubnodes = true;
UpdateText();
if (_viewModelRef.Target != null)
{
var dateTimeText = _viewModelRef.Target?.TextDateTime;
var attributedDateTimeText = dateTimeText.BuildAttributedString()
.Font(UIFont.SystemFontOfSize(11, UIFontWeight.Semibold))
.Foreground(UIColor.FromRGB(141, 141, 141));
_dateTimeTextNode.AttributedText = attributedDateTimeText;
}
_avatarImageNode.ImageModificationBlock = image =>
{
var size = new CGSize(AvatarSize, AvatarSize);
return(image.MakeCircularImageWithSize(size));
};
_avatarImageNode.ContentMode = UIViewContentMode.ScaleAspectFill;
_avatarImageNode.Hidden = _isMyMessage;
if (!_isMyMessage)
{
_avatarImageNode.LoadImageWithTextPlaceholder(
_viewModelRef.Target.SenderPhotoUrl,
_viewModelRef.Target.SenderName,
new AvatarImageHelpers.AvatarStyles
{
BackgroundHexColors = StyleHelper.Style.AvatarStyles.BackgroundHexColors,
Font = StyleHelper.Style.AvatarStyles.Font,
Size = new System.Drawing.Size((int)AvatarSize, (int)AvatarSize)
});
}
_attachmentImageNode.ContentMode = UIViewContentMode.ScaleAspectFit;
_attachmentImageNode.ImageModificationBlock = image => image.MakeImageWithRoundedCorners(12);
LoadAttachmentImageIfNeeded();
_statusImageNode.ContentMode = UIViewContentMode.Center;
_statusImageNode.Hidden = !_isMyMessage;
}
public ConversationsObservableRecyclerViewAdapter(
ObservableKeyGroupsCollection <DateTimeOffset, ChatMessageViewModel> items,
Action <int> collectionChangedAction,
Action <int> lastItemsLoadedAction,
Func <DateTimeOffset, string> headerGroupConverter,
IItemActionHandler <ChatMessageViewModel> actionHandler)
: base(items, null)
{
_collectionChangedAction = new WeakAction <int>(collectionChangedAction);
_lastItemsLoadedAction = new WeakAction <int>(lastItemsLoadedAction);
_headerGroupConverter = new WeakFunc <DateTimeOffset, string>(headerGroupConverter);
_actionHandler = actionHandler;
}
public ConversationViewHolder(
View itemView,
bool isIncomingMessageViewType,
IItemActionHandler <ChatMessageViewModel> actionHandler)
: base(itemView)
{
_isIncomingMessageViewType = isIncomingMessageViewType;
_actionHandler = actionHandler;
MessageContainer = itemView.FindViewById <LinearLayout>(Resource.Id.ll_message_container);
MessageBodyTextView = itemView.FindViewById <TextView>(Resource.Id.tv_message_body);
MessageDateTimeTextView = itemView.FindViewById <TextView>(Resource.Id.tv_message_date_time);
AttachmentImageView = itemView.FindViewById <MvxCachedImageView>(Resource.Id.iv_message_attachment);
AttachmentImageView.Click += OnMessageImageClicked;
AttachmentImageView.SetAdjustViewBounds(true);
AttachmentImageView.SetScaleType(ImageView.ScaleType.CenterCrop);
var resourceId = _isIncomingMessageViewType
? StyleHelper.Style.IncomingMessageBg
: StyleHelper.Style.OutcomingMessageBg;
var imageBg = itemView.FindViewById <ImageView>(Resource.Id.item_chat_conversation_bg);
imageBg.SetBackgroundResource(resourceId);
// setup ViewHolder for in/outcoming messages
if (_isIncomingMessageViewType)
{
SenderPhotoImageView = itemView.FindViewById <MvxCachedImageView>(Resource.Id.iv_sender_photo);
}
else
{
_messageLongClickSubscription = new WeakEventSubscription <LinearLayout, View.LongClickEventArgs>(
MessageContainer, nameof(MessageContainer.LongClick), MessageContainerLongClickHandler);
MessageStatusView = itemView.FindViewById <ImageView>(Resource.Id.iv_message_status);
}
}
