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Increase the timeout for hiding the tray if the mouse didn't move far from it

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We shouldn't hide the tray as quickly if the user might have left it
unintentionally, such as when moving the mouse over to a different tray item or
using the scroll bar in the chat notification.

https://bugzilla.gnome.org/show_bug.cgi?id=630767
This commit is contained in:
Hellyna Ng 2010-10-31 03:54:43 +08:00 committed by Marina Zhurakhinskaya
parent d5f1cd667b
commit 3640a4dd1e
1 changed files with 33 additions and 6 deletions
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29
js/ui/messageTray.js
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@ -26,6 +26,10 @@ const BUTTON_ICON_SIZE = 36;
const MAX_SOURCE_TITLE_WIDTH = 180;
// We delay hiding of the tray if the mouse is within MOUSE_LEFT_ACTOR_THRESHOLD
// range from the point where it left the tray.
const MOUSE_LEFT_ACTOR_THRESHOLD = 20;
const State = {
HIDDEN: 0,
SHOWING: 1,
@ -1146,6 +1150,8 @@ MessageTray.prototype = {
if (this._trayLeftTimeoutId) {
Mainloop.source_remove(this._trayLeftTimeoutId);
this._trayLeftTimeoutId = 0;
this._trayLeftMouseX = -1;
this._trayLeftMouseY = -1;
return;
}
@ -1167,6 +1173,14 @@ MessageTray.prototype = {
this._pointerInTray = true;
this._updateState();
} else {
// We record the position of the mouse the moment it leaves the tray. These coordinates are used in
// this._onTrayLeftTimeout() to determine if the mouse has moved far enough during the initial timeout for us
// to consider that the user intended to leave the tray and therefore hide the tray. If the mouse is still
// close to its previous position, we extend the timeout once.
let [x, y, mods] = global.get_pointer();
this._trayLeftMouseX = x;
this._trayLeftMouseY = y;
// We wait just a little before hiding the message tray in case the user quickly moves the mouse back into it.
// We wait for a longer period if the notification popped up where the mouse pointer was already positioned.
// That gives the user more time to mouse away from the notification and mouse back in in order to expand it.
@ -1176,12 +1190,25 @@ MessageTray.prototype = {
},
_onTrayLeftTimeout: function() {
this._useLongerTrayLeftTimeout = false;
let [x, y, mods] = global.get_pointer();
// We extend the timeout once if the mouse moved no further than MOUSE_LEFT_ACTOR_THRESHOLD to either side or up.
// We don't check how far down the mouse moved because any point above the tray, but below the exit coordinate,
// is close to the tray.
if (this._trayLeftMouseX > -1 &&
y > this._trayLeftMouseY - MOUSE_LEFT_ACTOR_THRESHOLD &&
x < this._trayLeftMouseX + MOUSE_LEFT_ACTOR_THRESHOLD &&
x > this._trayLeftMouseX - MOUSE_LEFT_ACTOR_THRESHOLD) {
this._trayLeftMouseX = -1;
this._trayLeftTimeoutId = Mainloop.timeout_add(LONGER_HIDE_TIMEOUT * 1000,
Lang.bind(this, this._onTrayLeftTimeout));
} else {
this._trayLeftTimeoutId = 0;
this._useLongerTrayLeftTimeout = false;
this._pointerInTray = false;
this._pointerInSummary = false;
this._updateNotificationTimeout(0);
this._updateState();
}
return false;
},