1 files changed, 107 insertions, 0 deletions
diff --git a/comm/suite/browser/fullScreen.js b/comm/suite/browser/fullScreen.js
new file mode 100644
index 0000000000..30a666cf57
--- /dev/null
+++ b/comm/suite/browser/fullScreen.js
@@ -0,0 +1,107 @@
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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 FullScreen =
+{
+  toggle: function()
+  {
+    var show = !window.fullScreen;
+    // show/hide all menubars, toolbars, and statusbars (except the full screen toolbar)
+    this.showXULChrome("toolbar", show);
+    this.showXULChrome("statusbar", show);
+
+    var toolbox = getNavToolbox();
+    if (show)
+      toolbox.removeAttribute("inFullscreen");
+    else
+      toolbox.setAttribute("inFullscreen", true);
+
+    var controls = document.getElementsByAttribute("fullscreencontrol", "true");
+    for (let i = 0; i < controls.length; ++i)
+      controls[i].hidden = show;
+
+    controls = document.getElementsByAttribute("domfullscreenhidden", "true");
+    if (document.mozFullScreen) {
+      for (let i = 0; i < controls.length; ++i)
+        controls[i].setAttribute("moz-collapsed", "true");
+      getBrowser().mStrip.setAttribute("moz-collapsed", "true");
+    } else {
+      for (let i = 0; i < controls.length; ++i)
+        controls[i].removeAttribute("moz-collapsed");
+      getBrowser().mStrip.removeAttribute("moz-collapsed");
+    }
+    getBrowser().getNotificationBox().notificationsHidden = document.mozFullScreen;
+  },
+
+  showXULChrome: function(aTag, aShow)
+  {
+    var XULNS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
+    var els = document.getElementsByTagNameNS(XULNS, aTag);
+
+    var i;
+    for (i = 0; i < els.length; ++i) {
+      // XXX don't interfere with previously collapsed toolbars
+      if (els[i].getAttribute("fullscreentoolbar") == "true" &&
+          !document.mozFullScreen) {
+        if (!aShow) {
+          var toolbarMode = els[i].getAttribute("mode");
+          if (toolbarMode != "text") {
+            els[i].setAttribute("saved-mode", toolbarMode);
+            els[i].setAttribute("saved-iconsize",
+                                els[i].getAttribute("iconsize"));
+            els[i].setAttribute("mode", "icons");
+            els[i].setAttribute("iconsize", "small");
+          }
+
+          // XXX See bug 202978: we disable the context menu
+          // to prevent customization while in fullscreen, which
+          // causes menu breakage.
+          els[i].setAttribute("saved-context",
+                              els[i].getAttribute("context"));
+          els[i].removeAttribute("context");
+
+          // Set the inFullscreen attribute to allow specific styling
+          // in fullscreen mode
+          els[i].setAttribute("inFullscreen", true);
+        }
+        else {
+          this.restoreAttribute(els[i], "mode");
+          this.restoreAttribute(els[i], "iconsize");
+          this.restoreAttribute(els[i], "context"); // XXX see above
+
+          els[i].removeAttribute("inFullscreen");
+          els[i].removeAttribute("moz-collapsed");
+        }
+      } else if (els[i].getAttribute("type") == "menubar") {
+        if (aShow) {
+          this.restoreAttribute(els[i], "autohide");
+        }
+        else {
+          els[i].setAttribute("saved-autohide",
+                              els[i].getAttribute("autohide"));
+          els[i].setAttribute("autohide", "true");
+        }
+      } else {
+        // use moz-collapsed so it doesn't persist hidden/collapsed,
+        // so that new windows don't have missing toolbars
+        if (aShow)
+          els[i].removeAttribute("moz-collapsed");
+        else
+          els[i].setAttribute("moz-collapsed", "true");
+      }
+    }
+  },
+
+  restoreAttribute: function(element, attributeName)
+  {
+    var savedAttribute = "saved-" + attributeName;
+    if (element.hasAttribute(savedAttribute)) {
+      var savedValue = element.getAttribute(savedAttribute);
+      element.setAttribute(attributeName, savedValue);
+      element.removeAttribute(savedAttribute);
+    }
+  }
+
+};