Firefox扩展：检查窗口是否最小化 [英] Firefox extension: check if window is minimized

问题描述

我试图跟踪Firefox窗口的状态（最大化，最小化，正常，全屏）;请参阅这里）。不过，无论我尝试过什么，我都不会去看最小化的事件。其他人做得很好。例如，如果我将侦听器添加到窗口中，比如

  window.addEventListener（activate，function（event）{dump （activate+ window.windowState ++ window.screenX ++ window.screenY +\\\
）;}，false）; 
 window.addEventListener（deactivate，function（event）{dump（deactivate+ window.windowState ++ window.screenX ++ window.screenY +\\\
）;}，假）; 
 window.addEventListener（resize，function（event）{dump（resize+ window.windowState ++ window.screenX ++ window.screenY +\\\
）;}，假）; 
  

我从来不会将2看作是window.windowState（2 = STATE_MINIMIZED）。我已经尝试了使用screenX和screenY的解决方法，但是这没有帮助。当我最小化窗口停用 - 而不是resize - 事件触发与window.windowState为3（STATE_NORMAL）和旧的screenX / screenY值。

有什么办法检测Firefox窗口何时被最小化？我在我的智慧结束。感谢您的帮助！

.org / en / XUL / Events＃Window_eventsrel =noreferrer> sizemodechange 事件。这是在窗口被最小化或最大化之后触发的事件。 resize 事件不会触发窗口最小化，因为从技术上来说窗口没有调整大小 - 它是隐藏的。而取消激活事件可能在之前触发窗口被最小化，当它仍然处于正常状态时（我没有检查） p>

I'm trying to keep track of the state of a Firefox window ("maximized", "minimized", "normal", "fullscreen"; see here). However, whatever I've tried, I never get to see the minimized event; the others doing fine. For example, if I add listeners to the window such as

window.addEventListener("activate", function(event) { dump("activate " + window.windowState + " " + window.screenX + " " + window.screenY + "\n"); }, false);
window.addEventListener("deactivate", function(event) { dump("deactivate " + window.windowState + " " + window.screenX + " " + window.screenY + "\n"); }, false);
window.addEventListener("resize", function(event) { dump("resize " + window.windowState + " " + window.screenX + " " + window.screenY + "\n"); }, false);

I never see 2 as the window.windowState (2 = STATE_MINIMIZED). I've tried a workaround using screenX and screenY, but that doesn't help. When I minimize the window the deactivate - not the resize - event fires with window.windowState being 3 (STATE_NORMAL) and the old screenX/screenY values.

Is there any way to detect when the Firefox window is being minimized? I'm at my wits' end. Thanks a lot for any help!

解决方案

You should be listening to the sizemodechange event. That's the event firing after the window is minimized or maximized. The resize event doesn't fire for window minimization because technically the window isn't resized - it is hidden. And the deactivate event likely fires before the window is minimized, when it still has the normal state (I didn't check however).

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