зеркало из https://github.com/mozilla/gecko-dev.git
Bug 556414 - Panning inside overflow:auto elements (Google Reader) stops for some posts [r=mfinkle]
This commit is contained in:
Родитель
ca5859fc1b
Коммит
27d094aa23
|
@ -1347,20 +1347,17 @@ Browser.MainDragger.prototype = {
|
|||
let htmlElement = element;
|
||||
if (htmlElement && htmlElement instanceof HTMLElement) {
|
||||
let win = htmlElement.ownerDocument.defaultView;
|
||||
let oScroll;
|
||||
let oAuto;
|
||||
for (; htmlElement; htmlElement = htmlElement.parentNode) {
|
||||
try {
|
||||
let cs = win.getComputedStyle(htmlElement, null);
|
||||
let overflow = cs.getPropertyValue("overflow");
|
||||
let overflowX = cs.getPropertyValue("overflow-x");
|
||||
let overflowY = cs.getPropertyValue("overflow-y");
|
||||
let cbr = htmlElement.getBoundingClientRect();
|
||||
oScroll = (overflow == "scroll") || (overflowX == "scroll") || (overflowY == "scroll");
|
||||
oAuto = (overflow == "auto") || (overflowX == "auto") || (overflowY == "auto");
|
||||
|
||||
if (oScroll ||
|
||||
(oAuto && (cbr.height < htmlElement.scrollHeight || cbr.width < htmlElement.scrollWidth))) {
|
||||
let scrollableY = overflowY != "hidden" && overflowY != "visible" && htmlElement.offsetHeight < htmlElement.scrollHeight;
|
||||
let scrollableX = overflowX != "hidden" && overflowX != "visible" && htmlElement.offsetWidth < htmlElement.scrollWidth
|
||||
&& !(htmlElement instanceof HTMLSelectElement); // Bug 295977
|
||||
|
||||
if (scrollableX || scrollableY) {
|
||||
this.contentScrollbox = this._createDivScrollBox(htmlElement);
|
||||
return;
|
||||
}
|
||||
|
|
Загрузка…
Ссылка в новой задаче