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Bug 1041663 - handle dragging the global webrtc sharing indicator, r=dolske.

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--HG--
extra : rebase_source : 6f0185993355251b6c723acdffaf1fca8719ee18
This commit is contained in:
Florian Quèze 2014-08-01 15:15:49 +02:00
parent 46dd63bf66
commit d72e0b5e2c
1 changed files with 58 additions and 4 deletions
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62
browser/base/content/webrtcIndicator.js
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@ -25,8 +25,9 @@ function init(event) {
popup.addEventListener("command", onPopupMenuCommand);
}
document.getElementById("firefoxButton")
.addEventListener("click", onFirefoxButtonClick);
let fxButton = document.getElementById("firefoxButton");
fxButton.addEventListener("click", onFirefoxButtonClick);
fxButton.addEventListener("mousedown", PositionHandler);
updateIndicatorState();
}
@ -65,9 +66,10 @@ function updateIndicatorState() {
screenShareButton.removeAttribute("tooltiptext");
}
// Resize and center the window.
// Resize and ensure the window position is correct
// (sizeToContent messes with our position).
window.sizeToContent();
window.moveTo((screen.availWidth - document.documentElement.clientWidth) / 2, 0);
PositionHandler.adjustPosition();
}
function updateWindowAttr(attr, value) {
@ -121,3 +123,55 @@ function onFirefoxButtonClick(event) {
let activeStreams = webrtcUI.getActiveStreams(true, true, true);
activeStreams[0].browser.ownerDocument.defaultView.focus();
}
let PositionHandler = {
positionCustomized: false,
threshold: 10,
adjustPosition: function() {
if (!this.positionCustomized) {
// Center the window horizontally on the screen (not the available area).
window.moveTo((screen.width - document.documentElement.clientWidth) / 2, 0);
} else {
// This will ensure we're at y=0.
this.setXPosition(window.screenX);
}
},
setXPosition: function(desiredX) {
// Ensure the indicator isn't moved outside the available area of the screen.
let desiredX = Math.max(desiredX, screen.availLeft);
let maxX =
screen.availLeft + screen.availWidth - document.documentElement.clientWidth;
window.moveTo(Math.min(desiredX, maxX), 0);
},
handleEvent: function(aEvent) {
switch (aEvent.type) {
case "mousedown":
if (aEvent.button != 0 || aEvent.defaultPrevented)
return;
this._startMouseX = aEvent.screenX;
this._startWindowX = window.screenX;
this._deltaX = this._startMouseX - this._startWindowX;
window.addEventListener("mousemove", this);
window.addEventListener("mouseup", this);
break;
case "mousemove":
let moveOffset = Math.abs(aEvent.screenX - this._startMouseX);
if (this._dragFullyStarted || moveOffset > this.threshold) {
this.setXPosition(aEvent.screenX - this._deltaX);
this._dragFullyStarted = true;
}
break;
case "mouseup":
this._dragFullyStarted = false;
window.removeEventListener("mousemove", this);
window.removeEventListener("mouseup", this);
this.positionCustomized =
Math.abs(this._startWindowX - window.screenX) >= this.threshold;
break;
}
}
};