From e299a57a72ee786818cad4f9b8e3aea3b6fb8544 Mon Sep 17 00:00:00 2001
From: Alon Levy <alon@pobox.com>
Date: Tue, 28 Oct 2014 17:21:33 +0200
Subject: textanalysis.ui: use input event if it exists, fallback to polling of
 50ms (not 5ms) otherwise

---
 scripts/textanalysis.ui.js | 27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)

(limited to 'scripts/textanalysis.ui.js')

diff --git a/scripts/textanalysis.ui.js b/scripts/textanalysis.ui.js
index 75eae67e..2eadff0b 100644
--- a/scripts/textanalysis.ui.js
+++ b/scripts/textanalysis.ui.js
@@ -129,18 +129,25 @@ return {
             }
         });
 
-        /* TODO: don't use interval by default but only if keys are comming to fast (but still - 5 ms??) */
-        window.setInterval(function() {
-            if (element.val() != text) {
-
-                if (text.length * 8 > 500) {
-                    element.css('width', text.length * 8 + 20);
-                }
-                // text changed
+        if ('oninput' in document.documentElement) {
+            element.on('input', function(e) {
                 text = element.val();
                 analyzeSentence(text, false);
-            }
-        }, 5);
+            });
+        } else {
+            console.log('textanalysis.ui: fallback to polling');
+            window.setInterval(function() {
+                if (element.val() != text) {
+                    if (text.length * 8 > 500) {
+                        element.css('width', text.length * 8 + 20);
+                    }
+                    // text changed
+                    text = element.val();
+                    analyzeSentence(text, false);
+                    suggestionChange = false;
+                }
+            }, 50);
+        }
     }
 };
 }); // define
-- 
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