зеркало из https://github.com/mozilla/gecko-dev.git
83 строки
3.0 KiB
JavaScript
83 строки
3.0 KiB
JavaScript
var tabstrip = gBrowser.tabContainer.mTabstrip;
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var scrollbox = tabstrip._scrollbox;
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var originalSmoothScroll = tabstrip.smoothScroll;
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var tabs = gBrowser.tabs;
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function rect(ele) ele.getBoundingClientRect();
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function width(ele) rect(ele).width;
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function left(ele) rect(ele).left;
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function right(ele) rect(ele).right;
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function isLeft(ele, msg) is(left(ele), left(scrollbox), msg);
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function isRight(ele, msg) is(right(ele), right(scrollbox), msg);
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function elementFromPoint(x) tabstrip._elementFromPoint(x);
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function nextLeftElement() elementFromPoint(left(scrollbox) - 1);
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function nextRightElement() elementFromPoint(right(scrollbox) + 1);
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function firstScrollable() tabs[gBrowser._numPinnedTabs];
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function test() {
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waitForExplicitFinish();
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// If the previous (or more) test finished with cleaning up the tabs,
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// there may be some pending animations. That can cause a failure of
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// this tests, so, we should test this in another stack.
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setTimeout(doTest, 0);
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}
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function doTest() {
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tabstrip.smoothScroll = false;
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var tabMinWidth = parseInt(getComputedStyle(gBrowser.selectedTab, null).minWidth);
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var tabCountForOverflow = Math.ceil(width(tabstrip) / tabMinWidth * 3);
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while (tabs.length < tabCountForOverflow)
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gBrowser.addTab("about:blank", {skipAnimation: true});
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gBrowser.pinTab(tabs[0]);
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tabstrip.addEventListener("overflow", runOverflowTests, false);
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}
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function runOverflowTests(aEvent) {
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if (aEvent.detail != 1)
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return;
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tabstrip.removeEventListener("overflow", runOverflowTests, false);
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var upButton = tabstrip._scrollButtonUp;
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var downButton = tabstrip._scrollButtonDown;
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var element;
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gBrowser.selectedTab = firstScrollable();
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isLeft(firstScrollable(), "Selecting the first tab scrolls it into view");
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element = nextRightElement();
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EventUtils.synthesizeMouse(downButton, 1, 1, {});
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isRight(element, "Scrolled one tab to the right with a single click");
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gBrowser.selectedTab = tabs[tabs.length - 1];
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isRight(gBrowser.selectedTab, "Selecting the last tab scrolls it into view");
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element = nextLeftElement();
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EventUtils.synthesizeMouse(upButton, 1, 1, {});
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isLeft(element, "Scrolled one tab to the left with a single click");
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element = elementFromPoint(left(scrollbox) - width(scrollbox));
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EventUtils.synthesizeMouse(upButton, 1, 1, {clickCount: 2});
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isLeft(element, "Scrolled one page of tabs with a double click");
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EventUtils.synthesizeMouse(upButton, 1, 1, {clickCount: 3});
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isLeft(firstScrollable(), "Scrolled to the start with a triple click");
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for (var i = 2; i; i--)
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EventUtils.synthesizeMouseScroll(scrollbox, 1, 1, {axis: "horizontal", delta: -1});
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isLeft(firstScrollable(), "Remained at the start with the mouse wheel");
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element = nextRightElement();
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EventUtils.synthesizeMouseScroll(scrollbox, 1, 1, {axis: "horizontal", delta: 1});
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isRight(element, "Scrolled one tab to the right with the mouse wheel");
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while (tabs.length > 1)
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gBrowser.removeTab(tabs[0]);
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tabstrip.smoothScroll = originalSmoothScroll;
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finish();
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}
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