private bool BuildAttachmentImageNodeIfNeeded(nfloat width, out IASLayoutElement layoutElement)
{
if (_viewModelRef.Target == null || !_viewModelRef.Target.HasAttachment)
{
layoutElement = null;
return(false);
}
var maxWidth = width - 50 - 73 - 17 - (nfloat)AvatarSize;
if (_attachmentImageNode.Image != null)
{
_attachmentImageNode.Style.PreferredSize = CalculateAttachmentImageNodeSize(
_attachmentImageNode.Image.Size, maxWidth);
layoutElement = _attachmentImageNode;
}
else
{
var placeholderImage = UIImage.FromBundle(StyleHelper.Style.AttachmentImagePlaceholderBundleName);
var placeholderImageNode = new ASImageNode {
Image = placeholderImage
};
placeholderImageNode.Style.PreferredSize = CalculateAttachmentImageNodeSize(placeholderImage.Size, maxWidth);
layoutElement = placeholderImageNode;
}
return(true);
}
private IASLayoutElement BuildDateTimeNode()
{
IASLayoutElement dateTimeNode = _dateTimeTextNode;
if (!_statusImageNode.Hidden)
{
_statusImageNode.Style.PreferredSize = new CGSize(17, _dateTimeTextNode.Style.Height.value);
dateTimeNode = new ASStackLayoutSpec
{
Direction = ASStackLayoutDirection.Horizontal,
Children = new IASLayoutElement[] { _dateTimeTextNode, _statusImageNode },
Spacing = 4
};
}
var dateTimeLayoutNode = new ASRelativeLayoutSpec(
ASRelativeLayoutSpecPosition.End,
ASRelativeLayoutSpecPosition.Start,
ASRelativeLayoutSpecSizingOption.Default,
dateTimeNode);
dateTimeLayoutNode.Style.SpacingBefore = 5;
return(dateTimeLayoutNode);
}
private IASLayoutElement BuildMessageBodyWithBackground(IASLayoutElement messageBodyNode)
{
var backgroundImageBundleName = _isMyMessage
? StyleHelper.Style.BubbleMineBoundleName
: StyleHelper.Style.BubbleOtherBoundleName;
var backgroundImage = UIImage.FromBundle(backgroundImageBundleName)
?.CreateResizableImage(new UIEdgeInsets(36, 20, 10, 20));
var backgroundNode = new ASImageNode {
Image = backgroundImage
};
return(ASBackgroundLayoutSpec.BackgroundLayoutSpecWithChild(messageBodyNode, backgroundNode));
}
