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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
var {classes: Cc, interfaces: Ci, utils: Cu} = Components;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource:///modules/webrtcUI.jsm");
const BUNDLE_URL = "chrome://browser/locale/webrtcIndicator.properties";
var gStringBundle;
function init(event) {
gStringBundle = Services.strings.createBundle(BUNDLE_URL);
let brand = Services.strings.createBundle("chrome://branding/locale/brand.properties");
let brandShortName = brand.GetStringFromName("brandShortName");
document.title =
gStringBundle.formatStringFromName("webrtcIndicator.windowtitle",
[brandShortName], 1);
for (let id of ["audioVideoButton", "screenSharePopup"]) {
let popup = document.getElementById(id);
popup.addEventListener("popupshowing", onPopupMenuShowing);
popup.addEventListener("popuphiding", onPopupMenuHiding);
popup.addEventListener("command", onPopupMenuCommand);
}
let fxButton = document.getElementById("firefoxButton");
fxButton.addEventListener("click", onFirefoxButtonClick);
fxButton.addEventListener("mousedown", PositionHandler);
updateIndicatorState();
// Alert accessibility implementations stuff just changed. We only need to do
// this initially, because changes after this will automatically fire alert
// events if things change materially.
let ev = new CustomEvent("AlertActive", {bubbles: true, cancelable: true});
document.documentElement.dispatchEvent(ev);
}
function updateIndicatorState() {
updateWindowAttr("sharingvideo", webrtcUI.showCameraIndicator);
updateWindowAttr("sharingaudio", webrtcUI.showMicrophoneIndicator);
updateWindowAttr("sharingscreen", webrtcUI.showScreenSharingIndicator);
// Camera and microphone button tooltip.
let shareTypes = [];
if (webrtcUI.showCameraIndicator)
shareTypes.push("Camera");
if (webrtcUI.showMicrophoneIndicator)
shareTypes.push("Microphone");
let audioVideoButton = document.getElementById("audioVideoButton");
if (shareTypes.length) {
let stringId = "webrtcIndicator.sharing" + shareTypes.join("And") + ".tooltip";
audioVideoButton.setAttribute("tooltiptext",
gStringBundle.GetStringFromName(stringId));
}
else {
audioVideoButton.removeAttribute("tooltiptext");
}
// Screen sharing button tooltip.
let screenShareButton = document.getElementById("screenShareButton");
if (webrtcUI.showScreenSharingIndicator) {
let stringId = "webrtcIndicator.sharing" +
webrtcUI.showScreenSharingIndicator + ".tooltip";
screenShareButton.setAttribute("tooltiptext",
gStringBundle.GetStringFromName(stringId));
}
else {
screenShareButton.removeAttribute("tooltiptext");
}
// Resize and ensure the window position is correct
// (sizeToContent messes with our position).
window.sizeToContent();
PositionHandler.adjustPosition();
}
function updateWindowAttr(attr, value) {
let docEl = document.documentElement;
if (value)
docEl.setAttribute(attr, "true");
else
docEl.removeAttribute(attr);
}
function onPopupMenuShowing(event) {
let popup = event.target;
let type = popup.getAttribute("type");
let activeStreams;
if (type == "Devices")
activeStreams = webrtcUI.getActiveStreams(true, true, false);
else
activeStreams = webrtcUI.getActiveStreams(false, false, true);
if (activeStreams.length == 1) {
webrtcUI.showSharingDoorhanger(activeStreams[0], type);
event.preventDefault();
return;
}
for (let stream of activeStreams) {
let item = document.createElement("menuitem");
item.setAttribute("label", stream.browser.contentTitle || stream.uri);
item.setAttribute("tooltiptext", stream.uri);
item.stream = stream;
popup.appendChild(item);
}
}
function onPopupMenuHiding(event) {
let popup = event.target;
while (popup.firstChild)
popup.firstChild.remove();
}
function onPopupMenuCommand(event) {
let item = event.target;
webrtcUI.showSharingDoorhanger(item.stream,
item.parentNode.getAttribute("type"));
}
function onFirefoxButtonClick(event) {
event.target.blur();
let activeStreams = webrtcUI.getActiveStreams(true, true, true);
activeStreams[0].browser.ownerGlobal.focus();
}
var PositionHandler = {
positionCustomized: false,
threshold: 10,
adjustPosition: function() {
if (!this.positionCustomized) {
// Center the window horizontally on the screen (not the available area).
// Until we have moved the window to y=0, 'screen.width' may give a value
// for a secondary screen, so use values from the screen manager instead.
let primaryScreen = Cc["@mozilla.org/gfx/screenmanager;1"]
.getService(Ci.nsIScreenManager)
.primaryScreen;
let widthDevPix = {};
primaryScreen.GetRect({}, {}, widthDevPix, {});
let availTopDevPix = {};
primaryScreen.GetAvailRect({}, availTopDevPix, {}, {});
let scaleFactor = primaryScreen.defaultCSSScaleFactor;
let widthCss = widthDevPix.value / scaleFactor;
window.moveTo((widthCss - document.documentElement.clientWidth) / 2,
availTopDevPix.value / scaleFactor);
} 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.
desiredX = Math.max(desiredX, screen.availLeft);
let maxX =
screen.availLeft + screen.availWidth - document.documentElement.clientWidth;
window.moveTo(Math.min(desiredX, maxX), screen.availTop);
},
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;
}
}
};
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