pfUI/modules/cooldown.lua

function CooldownFrame_SetTimer(this, start, duration, enable)
  if ( start > 0 and duration > 0 and enable > 0) then

    this.start = start;
    this.duration = duration;
    this.stopping = 0;
    this:SetSequence(0);

    if not this.cd then
      this.cd = CreateFrame("Frame")
      this.cd:SetAllPoints(this)
      this.cd:SetParent(this:GetParent())

      this.cd.back = this.cd:CreateTexture(nil,"BACKGROUND")
      this.cd.back:SetTexture(0,0,0,1)
      this.cd.back:SetAlpha(.5)
      this.cd.back:SetAllPoints(this.cd)

      this.cd.text = this.cd:CreateFontString("Status", "HIGH", "GameFontNormal")
      this.cd.text:SetFont("Interface\\AddOns\\pfUI\\fonts\\homespun.ttf", 10, "OUTLINE")
      this.cd.text:ClearAllPoints()
      this.cd.text:SetParent(this.cd)
      this.cd.text:SetAllPoints(this.cd)
      this.cd.text:SetJustifyH("CENTER")
      this.cd.text:SetFontObject(GameFontWhite)
    end
    this:Show();
  else
    this:Hide()
  end

  this:SetAlpha(0)
end

function CooldownFrame_OnUpdateModel()
  if this.start and this.duration then
    local remaining = this.duration - (GetTime() - this.start)

    -- disable GCD notify
    if ( remaining >= 1.5 ) then
      this.cd:Show()
      local unit = ""
      if remaining > 99 then
        remaining = remaining / 60
        unit = "m"
      end

      if remaining > 99 then
        remaining = remaining / 60
        unit = "h"
      end

      this.cd.text:SetText(floor(remaining)..unit)
      --elseif ( remaining >= .5 ) then
      -- this.cd:Show()
      -- this.cd.text:SetText("")
    else
      this:Hide();
      this.cd:Hide()
      this.stopping = 1;
    end
  end
end

function CooldownFrame_OnAnimFinished()
  if ( this.stopping == 1 ) then
    this:Hide();
    this.cd:Hide()
  end
end