diff options
| -rw-r--r-- | lib/dom_utils.coffee | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/lib/dom_utils.coffee b/lib/dom_utils.coffee index d0bd4615..b3fc981b 100644 --- a/lib/dom_utils.coffee +++ b/lib/dom_utils.coffee @@ -291,12 +291,21 @@ DomUtils = getViewportTopLeft: -> box = document.documentElement style = getComputedStyle box + rect = box.getBoundingClientRect() if style.position == "static" and not /content|paint|strict/.test(style.contain or "") - zoom = +style.zoom || 1 - top: Math.ceil(window.scrollY / zoom), left: Math.ceil(window.scrollX / zoom) + # The margin is included in the client rect, so we need to subtract it back out. + marginTop = parseInt style.marginTop + marginLeft = parseInt style.marginLeft + top: -rect.top + marginTop, left: -rect.left + marginLeft else - rect = box.getBoundingClientRect() - top: -rect.top - box.clientTop, left: -rect.left - box.clientLeft + if Utils.isFirefox() + # These are always 0 for documentElement on Firefox, so we derive them from CSS border. + clientTop = parseInt style.borderTopWidth + clientLeft = parseInt style.borderLeftWidth + else + {clientTop, clientLeft} = box + top: -rect.top - clientTop, left: -rect.left - clientLeft + suppressPropagation: (event) -> event.stopImmediatePropagation() |