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spreed-webrtc
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Added support to upgrade/install extension when already running.

pull/77/head
Simon Eisenmann 11 years ago
parent
30882f1dcc
commit
8af8f113ba
2 changed files with 140 additions and 122 deletions
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  1. 59
      static/js/services/chromeextension.js
  2. 203
      static/js/services/screensharing.js

59
static/js/services/chromeextension.js
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@ -18,21 +18,30 @@ @@ -18,21 +18,30 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
define(["underscore"], function(_) {
define(["underscore", "jquery"], function(_, $) {
// chromeExtension
return ["$window", "$q", function($window, $q) {
var available = false;
var marker = $window.document.getElementById("chromeextension-available");
if (marker) {
available = true;
console.log("Chrome extension is available.");
}
var ChromeExtension = function() {
this.available = false;
this.registry = {};
this.count = 0;
this.e = $({});
this.initialize();
};
ChromeExtension.prototype.initialize = function() {
var marker = $window.document.getElementById("chromeextension-available");
if (marker && !this.available) {
this.available = true;
console.log("Chrome extension is available.");
this.e.triggerHandler("available", true);
} else if (!marker && this.available) {
this.available = false;
console.log("Chrome extension is no longer available.");
this.e.triggerHandler("available", false);
}
};
ChromeExtension.prototype.call = function(data) {
@ -75,33 +84,27 @@ define(["underscore"], function(_) { @@ -75,33 +84,27 @@ define(["underscore"], function(_) {
console.warn("Unknown call reference received", data, this.registry, this);
}
break;
case "Upgrade":
console.log("Extension installed or upgraded", data);
this.initialize();
break;
default:
console.log("Unknown message type", data.Type, data);
break;
}
};
var extension;
if (available) {
extension = new ChromeExtension();
$window.addEventListener("message", function(event) {
//console.log("message", event.origin, event.source === window, event);
if (event.source === window && event.data.answer) {
// Only process answers to avoid loops.
extension.onMessage(event);
}
});
}
// public API.
return {
available: available,
call: function(data) {
return extension.call(data);
var extension = new ChromeExtension();
$window.addEventListener("message", function(event) {
//console.log("message", event.origin, event.source === window, event);
if (event.source === window && event.data.answer) {
// Only process answers to avoid loops.
extension.onMessage(event);
}
}
});
// Expose.
return extension;
}];

203
static/js/services/screensharing.js
Unescape View File

@ -23,106 +23,121 @@ define(['underscore', 'webrtc.adapter'], function(_) { @@ -23,106 +23,121 @@ define(['underscore', 'webrtc.adapter'], function(_) {
// screensharing
return ["$window", "$q", "chromeExtension", function($window, $q, chromeExtension) {
// Check if we can do screensharing.
var supported = false;
// Define our helpers.
var prepare = null;
var cancel = null;
// Chrome support.
if ($window.webrtcDetectedBrowser === "chrome") {
if ($window.webrtcDetectedVersion >= 32 &&
$window.webrtcDetectedVersion < 37) {
// Support for flag based developer screen sharing came in Chrome 32.
// It was removed in Chrome 37 in favour of chrome.chooseDesktopMedia
// https://code.google.com/p/chromium/issues/detail?id=347641
supported = true;
prepare = function(options) {
// This generates constrains for the flag based screen screensharing
// support in Chrome 31+ to 36. Flag to be enabled is found at:
// chrome://flags/#enable-usermedia-screen-capture
var d = $q.defer()
var opts = _.extend({
chromeMediaSource: "screen"
}, options);
d.resolve(opts);
return d.promise;
};
} else if ($window.webrtcDetectedVersion >= 37) {
// We need a extension to support screen sharing. See
// https://developer.chrome.com/extensions/desktopCapture#method-chooseDesktopMedia
// for details.
}
var Screensharing = function() {
this.initialize();
chromeExtension.e.on("available", _.bind(function() {
this.initialize();
}, this));
};
if (chromeExtension.available) {
supported = true;
var pending = null;
prepare = function(options) {
var select = chromeExtension.call({
Type: "Action",
Action: "chooseDesktopMedia"
});
var d = $q.defer();
select.then(function(id) {
// Success with id.
pending = null;
if (id) {
var opts = _.extend({
chromeMediaSource: "desktop",
chromeMediaSourceId: id
}, options);
d.resolve(opts);
} else {
d.resolve(null);
}
}, function(err) {
// Error.
pending = null;
console.log("Failed to prepare screensharing", err);
d.reject(err);
}, function(data) {
// Notify.
pending = data;
});
return d.promise;
};
cancel = function() {
if (pending !== null) {
chromeExtension.call({
Screensharing.prototype.initialize = function() {
// Check if we can do screensharing.
this.supported = false;
// Define our helpers.
this.prepare = null;
this.cancel = null;
// Chrome support.
if ($window.webrtcDetectedBrowser === "chrome") {
if ($window.webrtcDetectedVersion >= 32 &&
$window.webrtcDetectedVersion < 37) {
// Support for flag based developer screen sharing came in Chrome 32.
// It was removed in Chrome 37 in favour of chrome.chooseDesktopMedia
// https://code.google.com/p/chromium/issues/detail?id=347641
this.supported = true;
this.prepare = function(options) {
// This generates constrains for the flag based screen screensharing
// support in Chrome 31+ to 36. Flag to be enabled is found at:
// chrome://flags/#enable-usermedia-screen-capture
var d = $q.defer()
var opts = _.extend({
chromeMediaSource: "screen"
}, options);
d.resolve(opts);
return d.promise;
};
} else if ($window.webrtcDetectedVersion >= 37) {
// We need a extension to support screen sharing. See
// https://developer.chrome.com/extensions/desktopCapture#method-chooseDesktopMedia
// for details.
}
if (chromeExtension.available) {
this.supported = true;
var pending = null;
this.prepare = function(options) {
var select = chromeExtension.call({
Type: "Action",
Action: "cancelChooseDesktopMedia",
Args: pending
Action: "chooseDesktopMedia"
});
pending = null;
}
};
var d = $q.defer();
select.then(function(id) {
// Success with id.
pending = null;
if (id) {
var opts = _.extend({
chromeMediaSource: "desktop",
chromeMediaSourceId: id
}, options);
d.resolve(opts);
} else {
d.resolve(null);
}
}, function(err) {
// Error.
pending = null;
console.log("Failed to prepare screensharing", err);
d.reject(err);
}, function(data) {
// Notify.
pending = data;
});
return d.promise;
};
this.cancel = function() {
if (pending !== null) {
chromeExtension.call({
Type: "Action",
Action: "cancelChooseDesktopMedia",
Args: pending
});
pending = null;
}
};
}
} else {
// Currently Chrome only - sorry.
// Firefox 33 might get screen sharing support.
// See https://bugzilla.mozilla.org/show_bug.cgi?id=923225
}
} else {
// Currently Chrome only - sorry.
// Firefox 33 might get screen sharing support.
// See https://bugzilla.mozilla.org/show_bug.cgi?id=923225
}
// public API.
return {
supported: supported,
getScreen: function(options) {
if (prepare) {
return prepare(options);
} else {
var d = $q.defer()
d.reject("No implementation to get screen.");
return d.promise;
}
},
cancelGetScreen: function() {
if (cancel) {
cancel();
}
console.log("Screensharing support", this.supported);
};
Screensharing.prototype.getScreen = function(options) {
if (this.prepare) {
return this.prepare(options);
} else {
var d = $q.defer()
d.reject("No implementation to get screen.");
return d.promise;
}
};
Screensharing.prototype.cancelGetScreen = function() {
if (this.cancel) {
this.cancel();
}
}
};
// Expose.
var screensharing = new Screensharing();
return screensharing;
}];

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