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perroned 2016-02-23 14:06:45 -08:00
parent f486b24041
commit 57ab378961
1 changed files with 15 additions and 0 deletions
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15
bigbluebutton-client/resources/prod/lib/verto_extension_share.js
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@ -2,7 +2,10 @@ var deskshareStream = "deskshareStream";
window[deskshareStream] = null;
this.share_call = null;
// final entry point for sharing from Chrome.
// already have the resolution and constraints chosen
var configDeskshareFromChrome = function(videoTag, callbacks, extensionId, resolutionConstruction) {
// do initial check for extension
getChromeExtensionStatus(extensionId, function(status) {
if (status != "installed-enabled") {
callbacks.onError({'status': 'failed', 'errorcode': 2001});
@ -10,6 +13,7 @@ var configDeskshareFromChrome = function(videoTag, callbacks, extensionId, resol
return -1;
}
// bring up Chrome screen picker
getScreenConstraints(function(error, screen_constraints) {
if(error) {
callbacks.onError({'status': 'failed', 'errorcode': 2021});
@ -23,6 +27,8 @@ var configDeskshareFromChrome = function(videoTag, callbacks, extensionId, resol
});
};
// entry point for Chrome HTML5 sharing
// connects with html5 client libraries to retrieve a selected resolution
var configDeskshareFromChromeHTML5 = function(videoTag, callbacks, extensionId) {
var resolutionConstruction = function(screen_constraints) {
console.log("modifying video quality");
@ -35,6 +41,9 @@ var configDeskshareFromChromeHTML5 = function(videoTag, callbacks, extensionId)
configDeskshareFromChrome(videoTag, callbacks, extensionId, resolutionConstruction);
};
// entry point when desksharing using Google Chrome via the flash Client
// currently uses a default preset resolution in place of a resolution picker
// prepares the constraints and passes off to generic Chrome handler
var configDeskshareFromChromeFlash = function(videoTag, callbacks, extensionId) {
var resolutionConstruction = function(screen_constraints) {
// BigBlueButton low
@ -62,8 +71,11 @@ var configDeskshareFromChromeFlash = function(videoTag, callbacks, extensionId)
configDeskshareFromChrome(videoTag, callbacks, extensionId, resolutionConstruction);
};
// final entry point for Firefox sharing
var configDeskshareFromFirefox = function(screen_constraints, videoTag, callbacks) {
// bypass all the default gUM calls inside jquery.FSRTC.js to use my own
window.firefoxDesksharePresent = true;
// the gUM args to invoke the Firefox screen picker
var screen_constraints = {
video: {
"mozMediaSource": 'window',
@ -99,6 +111,7 @@ function endScreenshare(loggingCallback, onSuccess) {
}
function startScreenshare(loggingCallback, videoTag, vertoServerCredentials, extensionId, modifyResolution, onSuccess, onFail) {
console.log("startScreenshare");
if(!isLoggedIntoVerto()) { // start the verto log in procedure
// runs when the websocket is successfully created
callbacks.onWSLogin = function(v, success) {
@ -159,6 +172,8 @@ function startScreenshareAfterLogin(loggingCallback, videoTag, extensionId, modi
}
};
// determine if Firefox or Chrome
// for now the only difference is that html5 has a resolution dialog
if (!!navigator.mozGetUserMedia) {
if (modifyResolution) {
configDeskshareFromFirefoxHTML5(null, videoTag, callbacks);