Initial safari compatibility (#1609)

* Update environment info to return the 'safari' browser

* Fix popup display on Safari

* Update environment assignment

* Add data-loading-stalled property when loading takes longer than expected

* Add notification when loading has stalled

* Allow getDictionaryInfo invocation on non-privileged contexts

* Update _validatePrivilegedMessageSender

* Don't listen to 'voiceschanged' event unless addEventListener is present

Also expose an event

1 files changed, 14 insertions, 0 deletions

diff --git a/ext/js/background/environment.js b/ext/js/background/environment.js
index 04099ca1..8111741f 100644
--- a/ext/js/background/environment.js
+++ b/ext/js/background/environment.js
@@ -83,9 +83,23 @@ class Environment {
             } catch (e) {
                 // NOP
             }
+            if (this._isSafari()) {
+                return 'safari';
+            }
             return 'firefox';
         } else {
             return 'chrome';
         }
     }
+
+    _isSafari() {
+        const {vendor, userAgent} = navigator;
+        return (
+            typeof vendor === 'string' &&
+            typeof userAgent === 'string' &&
+            vendor.includes('Apple') &&
+            !userAgent.includes('CriOS') &&
+            !userAgent.includes('FxiOS')
+        );
+    }
 }