void ReleaseDesignerOutlets()
{
if (AttachmentImageView != null)
{
AttachmentImageView.Dispose();
AttachmentImageView = null;
}
if (AttahmentImageButton != null)
{
AttahmentImageButton.Dispose();
AttahmentImageButton = null;
}
if (BackgroundImageView != null)
{
BackgroundImageView.Dispose();
BackgroundImageView = null;
}
if (lblMessage != null)
{
lblMessage.Dispose();
lblMessage = null;
}
if (lblSenderName != null)
{
lblSenderName.Dispose();
lblSenderName = null;
}
if (lblTime != null)
{
lblTime.Dispose();
lblTime = null;
}
if (StatusTick != null)
{
StatusTick.Dispose();
StatusTick = null;
}
}
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);
}
}
public override void BindViewModel(ChatMessageViewModel viewModel)
{
_viewModelRef = WeakReferenceEx.Create(viewModel);
Bindings.Add(this.SetBinding(() => _viewModelRef.Target.Body).WhenSourceChanges(() =>
{
// TODO: check
Execute.OnUIThread(() =>
{
var hideMessageBody = string.IsNullOrEmpty(_viewModelRef.Target.Body) && _viewModelRef.Target.HasAttachment;
MessageBodyTextView.Visibility = BoolToViewStateConverter.ConvertGone(hideMessageBody == false);
MessageBodyTextView.Text = _viewModelRef.Target.Body;
});
}));
Bindings.Add(this.SetBinding(() => _viewModelRef.Target.TextDateTime).WhenSourceChanges(() =>
{
// TODO: check
Execute.OnUIThread(() =>
{
MessageDateTimeTextView.Text = _viewModelRef.Target.TextDateTime;
});
}));
if (_viewModelRef.Target.HasAttachment)
{
var model = _viewModelRef.Target.Model;
var expr = default(TaskParameter);
AttachmentImageView.SetImageResource(StyleHelper.Style.AttachmentImagePlaceholder);
UpdateAttachmentImageViewSizeAndVisibility();
if (!string.IsNullOrEmpty(model.ImageCacheKey))
{
expr = ImageService.Instance.LoadFile(model.ImageCacheKey);
}
else if (!string.IsNullOrEmpty(model.ImageRemoteUrl))
{
expr = ImageService.Instance.LoadUrl(model.ImageRemoteUrl);
}
if (expr == null)
{
return;
}
_downloadAttachTask = expr.DownSampleInDip(90, 90)
.Finish(x =>
{
Execute.BeginOnUIThread(UpdateAttachmentImageViewSizeAndVisibility);
});
_downloadAttachTask.IntoAsync(AttachmentImageView);
}
else
{
_downloadAttachTask?.Dispose();
AttachmentImageView.SetImageDrawable(null);
AttachmentImageView.Visibility = ViewStates.Gone;
}
if (_isIncomingMessageViewType && SenderPhotoImageView != null)
{
SenderPhotoImageView.LoadImageWithTextPlaceholder(
_viewModelRef.Target.SenderPhotoUrl,
_viewModelRef.Target.SenderName,
new WhiteLabel.Droid.Controls.AvatarPlaceholderDrawable.AvatarStyles
{
BackgroundHexColors = StyleHelper.Style.ChatAvatarStyles.BackgroundHexColors,
Size = new System.Drawing.Size(35, 35)
},
x => x.Transform(new CircleTransformation()));
}
if (!_isIncomingMessageViewType && MessageStatusView != null)
{
Bindings.Add(this.SetBinding(() => _viewModelRef.Target.Status).WhenSourceChanges(() =>
{
// TODO: check
Execute.OnUIThread(() =>
{
if (_viewModelRef.Target == null)
{
return;
}
ChangeMessageViewStatus(_viewModelRef.Target.Status);
});
}));
}
}