tenfourfox/browser/base/content/browser-eme.js
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

200 lines
7.6 KiB
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
* 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 gEMEHandler = {
get uiEnabled() {
let emeUIEnabled = Services.prefs.getBoolPref("browser.eme.ui.enabled");
// Force-disable on WinXP:
if (navigator.platform.toLowerCase().startsWith("win")) {
emeUIEnabled = emeUIEnabled && parseFloat(Services.sysinfo.get("version")) >= 6;
}
return emeUIEnabled;
},
ensureEMEEnabled: function(browser, keySystem) {
Services.prefs.setBoolPref("media.eme.enabled", true);
if (keySystem) {
if (keySystem.startsWith("com.adobe") &&
Services.prefs.getPrefType("media.gmp-eme-adobe.enabled") &&
!Services.prefs.getBoolPref("media.gmp-eme-adobe.enabled")) {
Services.prefs.setBoolPref("media.gmp-eme-adobe.enabled", true);
} else if (keySystem == "org.w3.clearkey" &&
Services.prefs.getPrefType("media.eme.clearkey.enabled") &&
!Services.prefs.getBoolPref("media.eme.clearkey.enabled")) {
Services.prefs.setBoolPref("media.eme.clearkey.enabled", true);
}
}
browser.reload();
},
getLearnMoreLink: function(msgId) {
let text = gNavigatorBundle.getString("emeNotifications." + msgId + ".learnMoreLabel");
let baseURL = Services.urlFormatter.formatURLPref("app.support.baseURL");
return "<label class='text-link' href='" + baseURL + "drm-content'>" +
text + "</label>";
},
receiveMessage: function({target: browser, data: data}) {
let parsedData;
try {
parsedData = JSON.parse(data);
} catch (ex) {
Cu.reportError("Malformed EME video message with data: " + data);
return;
}
let {status: status, keySystem: keySystem} = parsedData;
// Don't need to show if disabled
if (!this.uiEnabled) {
return;
}
let notificationId;
let buttonCallback;
let params = [];
switch (status) {
case "available":
case "cdm-created":
this.showPopupNotificationForSuccess(browser, keySystem);
// ... and bail!
return;
case "api-disabled":
case "cdm-disabled":
notificationId = "drmContentDisabled";
buttonCallback = gEMEHandler.ensureEMEEnabled.bind(gEMEHandler, browser, keySystem)
params = [this.getLearnMoreLink(notificationId)];
break;
case "cdm-not-supported":
notificationId = "drmContentCDMNotSupported";
params = [this._brandShortName, this.getLearnMoreLink(notificationId)];
break;
case "cdm-insufficient-version":
notificationId = "drmContentCDMInsufficientVersion";
params = [this._brandShortName];
break;
case "cdm-not-installed":
notificationId = "drmContentCDMInstalling";
params = [this._brandShortName];
break;
case "error":
// Fall through and do the same for unknown messages:
default:
let typeOfIssue = status == "error" ? "error" : "message ('" + status + "')";
Cu.reportError("Unknown " + typeOfIssue + " dealing with EME key request: " + data);
return;
}
this.showNotificationBar(browser, notificationId, keySystem, params, buttonCallback);
},
showNotificationBar: function(browser, notificationId, keySystem, labelParams, callback) {
let box = gBrowser.getNotificationBox(browser);
if (box.getNotificationWithValue(notificationId)) {
return;
}
let msgPrefix = "emeNotifications." + notificationId + ".";
let msgId = msgPrefix + "message";
// Specialcase Adobe's CDM on unsupported platforms to be more informative:
if (notificationId == "drmContentCDMNotSupported" &&
keySystem.startsWith("com.adobe")) {
let os = Services.appinfo.OS.toLowerCase();
if (os.startsWith("win") && Services.appinfo.XPCOMABI.startsWith("x86_64")) {
msgId = msgPrefix + "64bit.message";
} else if (os.startsWith("linux") || os.startsWith("darwin")) {
msgId = msgPrefix + "unsupportedOS.message";
labelParams.splice(1, 0, os.startsWith("linux") ? "Linux" : "Mac OS X");
}
}
let message = labelParams.length ?
gNavigatorBundle.getFormattedString(msgId, labelParams) :
gNavigatorBundle.getString(msgId);
let buttons = [];
if (callback) {
let btnLabelId = msgPrefix + "button.label";
let btnAccessKeyId = msgPrefix + "button.accesskey";
buttons.push({
label: gNavigatorBundle.getString(btnLabelId),
accessKey: gNavigatorBundle.getString(btnAccessKeyId),
callback: callback
});
}
let iconURL = "chrome://browser/skin/drm-icon.svg#chains-black";
// Do a little dance to get rich content into the notification:
let fragment = document.createDocumentFragment();
let descriptionContainer = document.createElement("description");
descriptionContainer.innerHTML = message;
while (descriptionContainer.childNodes.length) {
fragment.appendChild(descriptionContainer.childNodes[0]);
}
box.appendNotification(fragment, notificationId, iconURL, box.PRIORITY_WARNING_MEDIUM,
buttons);
},
showPopupNotificationForSuccess: function(browser, keySystem) {
// We're playing EME content! Remove any "we can't play because..." messages.
var box = gBrowser.getNotificationBox(browser);
["drmContentDisabled",
"drmContentCDMNotSupported",
"drmContentCDMInsufficientVersion",
"drmContentCDMInstalling"
].forEach(function (value) {
var notification = box.getNotificationWithValue(value);
if (notification)
box.removeNotification(notification);
});
// Don't bother creating it if it's already there:
if (PopupNotifications.getNotification("drmContentPlaying", browser)) {
return;
}
let msgPrefix = "emeNotifications.drmContentPlaying.";
let msgId = msgPrefix + "message2";
let btnLabelId = msgPrefix + "button.label";
let btnAccessKeyId = msgPrefix + "button.accesskey";
let message = gNavigatorBundle.getFormattedString(msgId, [this._brandShortName]);
let anchorId = "eme-notification-icon";
let firstPlayPref = "browser.eme.ui.firstContentShown";
if (!Services.prefs.getPrefType(firstPlayPref) ||
!Services.prefs.getBoolPref(firstPlayPref)) {
document.getElementById(anchorId).setAttribute("firstplay", "true");
Services.prefs.setBoolPref(firstPlayPref, true);
} else {
document.getElementById(anchorId).removeAttribute("firstplay");
}
let mainAction = {
label: gNavigatorBundle.getString(btnLabelId),
accessKey: gNavigatorBundle.getString(btnAccessKeyId),
callback: function() { openPreferences("paneContent"); },
dismiss: true
};
let options = {
dismissed: true,
eventCallback: aTopic => aTopic == "swapping",
learnMoreURL: Services.urlFormatter.formatURLPref("app.support.baseURL") + "drm-content",
};
PopupNotifications.show(browser, "drmContentPlaying", message, anchorId, mainAction, null, options);
},
QueryInterface: XPCOMUtils.generateQI([Ci.nsIMessageListener])
};
XPCOMUtils.defineLazyGetter(gEMEHandler, "_brandShortName", function() {
return document.getElementById("bundle_brand").getString("brandShortName");
});
window.messageManager.addMessageListener("EMEVideo:ContentMediaKeysRequest", gEMEHandler);
window.addEventListener("unload", function() {
window.messageManager.removeMessageListener("EMEVideo:ContentMediaKeysRequest", gEMEHandler);
}, false);