import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/shared/gcli/commands/media.js

@@ -0,0 +1,56 @@
+/* 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/. */
+
+"use strict";
+
+const {Ci} = require("chrome");
+const l10n = require("gcli/l10n");
+
+function getContentViewer(context) {
+  let {window} = context.environment;
+  return window.QueryInterface(Ci.nsIInterfaceRequestor)
+               .getInterface(Ci.nsIDocShell)
+               .contentViewer;
+}
+
+exports.items = [
+  {
+    name: "media",
+    description: l10n.lookup("mediaDesc")
+  },
+  {
+    item: "command",
+    runAt: "server",
+    name: "media emulate",
+    description: l10n.lookup("mediaEmulateDesc"),
+    manual: l10n.lookup("mediaEmulateManual"),
+    params: [
+      {
+        name: "type",
+        description: l10n.lookup("mediaEmulateType"),
+        type: {
+          name: "selection",
+          data: [
+            "braille", "embossed", "handheld", "print", "projection",
+            "screen", "speech", "tty", "tv"
+          ]
+        }
+      }
+    ],
+    exec: function(args, context) {
+      let contentViewer = getContentViewer(context);
+      contentViewer.emulateMedium(args.type);
+    }
+  },
+  {
+    item: "command",
+    runAt: "server",
+    name: "media reset",
+    description: l10n.lookup("mediaResetDesc"),
+    exec: function(args, context) {
+      let contentViewer = getContentViewer(context);
+      contentViewer.stopEmulatingMedium();
+    }
+  }
+];