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GUAC-1244: Added timeout to mouse scroll events to catch and issue minor scrolling to remote

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This commit is contained in:
Frode Langelo
2015-07-06 12:33:43 -07:00
parent fd3619a41d
commit dded6644f8
1 changed files with 41 additions and 27 deletions
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68
guacamole-common-js/src/main/webapp/modules/Mouse.js
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@@ -39,6 +39,12 @@ Guacamole.Mouse = function(element) {
*/
var guac_mouse = this;
/**
* Timeout before a single mouse scroll happens.
* @type Number
*/
var mouse_scroll_timeout = null;
/**
* The number of mousemove events to require before re-enabling mouse
* event handling after receiving a touch event.
@@ -273,38 +279,46 @@ Guacamole.Mouse = function(element) {
// Update overall delta
scroll_delta += delta;
// Up
while (scroll_delta <= -guac_mouse.scrollThreshold) {
if (mouse_scroll_timeout == null) {
// send actual mouse scroll event after a threshold
mouse_scroll_timeout = window.setTimeout(function () {
if (guac_mouse.onmousedown) {
guac_mouse.currentState.up = true;
guac_mouse.onmousedown(guac_mouse.currentState);
}
// Up
if (scroll_delta < 0) {
do {
if (guac_mouse.onmousedown) {
guac_mouse.currentState.up = true;
guac_mouse.onmousedown(guac_mouse.currentState);
}
if (guac_mouse.onmouseup) {
guac_mouse.currentState.up = false;
guac_mouse.onmouseup(guac_mouse.currentState);
}
if (guac_mouse.onmouseup) {
guac_mouse.currentState.up = false;
guac_mouse.onmouseup(guac_mouse.currentState);
}
scroll_delta += guac_mouse.scrollThreshold;
scroll_delta += guac_mouse.scrollThreshold;
} while (scroll_delta < 0);
}
// Down
else if (scroll_delta > 0) {
do {
if (guac_mouse.onmousedown) {
guac_mouse.currentState.down = true;
guac_mouse.onmousedown(guac_mouse.currentState);
}
}
// Down
while (scroll_delta >= guac_mouse.scrollThreshold) {
if (guac_mouse.onmousedown) {
guac_mouse.currentState.down = true;
guac_mouse.onmousedown(guac_mouse.currentState);
}
if (guac_mouse.onmouseup) {
guac_mouse.currentState.down = false;
guac_mouse.onmouseup(guac_mouse.currentState);
}
scroll_delta -= guac_mouse.scrollThreshold;
if (guac_mouse.onmouseup) {
guac_mouse.currentState.down = false;
guac_mouse.onmouseup(guac_mouse.currentState);
}
scroll_delta -= guac_mouse.scrollThreshold;
} while (scroll_delta > 0);
}
scroll_delta = 0;
window.clearTimeout(mouse_scroll_timeout);
mouse_scroll_timeout = null;
}, 100);
}
cancelEvent(e);