namespace System.Workflow.ComponentModel.Design
{
    using System;
    using System.Drawing;
    using System.Drawing.Drawing2D;
    using System.Windows.Forms;

    #region Glyphs


    #region Class CommentGlyph
    //Class is internal but not sealed as we dont expect the ActivityDesigner writers to supply their own
    //Glyph instead based on comment property comment glyph is shown
    //Exception: StripItemCommentGlyph
    [Obsolete("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")]
    public class CommentGlyph : DesignerGlyph
    {
        private static CommentGlyph defaultCommentGlyph = null;

        internal static CommentGlyph Default
        {
            get
            {
                if (CommentGlyph.defaultCommentGlyph == null)
                    CommentGlyph.defaultCommentGlyph = new CommentGlyph();
                return CommentGlyph.defaultCommentGlyph;
            }
        }

        public override Rectangle GetBounds(ActivityDesigner designer, bool activated)
        {
            if (designer == null)
                throw new ArgumentNullException("designer");

            Rectangle bounds = designer.Bounds;
            bounds.Inflate(WorkflowTheme.CurrentTheme.AmbientTheme.Margin);
            return bounds;
        }

        public override int Priority
        {
            get
            {
                return DesignerGlyph.CommentPriority;
            }
        }

        protected override void OnPaint(Graphics graphics, bool activated, AmbientTheme ambientTheme, ActivityDesigner designer)
        {
            Rectangle bounds = GetBounds(designer, activated);
            graphics.FillRectangle(AmbientTheme.FadeBrush, bounds);
            graphics.FillRectangle(ambientTheme.CommentIndicatorBrush, bounds);
            graphics.DrawRectangle(ambientTheme.CommentIndicatorPen, bounds);
        }
    }
    #endregion

    #endregion
}