From bd9083361ef4a46d5ca018d00012fc2367adada3 Mon Sep 17 00:00:00 2001
From: Zam-mbpr <love8879201@gmail.com>
Date: Wed, 4 Feb 2015 17:51:22 +0800
Subject: [PATCH 1/2] fix problem: if there is no height property then no
 scroll.

---
 src/scrollglue.js | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/src/scrollglue.js b/src/scrollglue.js
index 48c1788..13b16dc 100644
--- a/src/scrollglue.js
+++ b/src/scrollglue.js
@@ -1,6 +1,6 @@
+
 (function(angular, undefined){
     'use strict';
-
     angular.module('luegg.directives', [])
     .directive('scrollGlue', ['$parse', function($parse){
         function unboundState(initValue){
@@ -40,6 +40,7 @@
         }
 
         function createActivationState(attr, scope){
+          console.log(attr !== "")
             if(attr !== ""){
                 var getter = $parse(attr);
                 if(getter.assign !== undefined){
@@ -58,20 +59,32 @@
             link: function(scope, $el, attrs){
                 var el = $el[0],
                     activationState = createActivationState(attrs.scrollGlue, scope);
-
+                var scrollParent = false;
                 function scrollToBottom(){
+                  if (scrollParent) {
+                    var height = el.parentElement.scrollHeight - window.innerHeight;
+                    el.parentElement.scrollTop = height;
+                  } else {
                     el.scrollTop = el.scrollHeight;
+                  }
                 }
 
                 function onScopeChanges(scope){
-                    if(activationState.getValue() && !shouldActivateAutoScroll()){
+                    if(activationState.getValue() && shouldActivateAutoScroll()){
                         scrollToBottom();
                     }
                 }
 
                 function shouldActivateAutoScroll(){
                     // + 1 catches off by one errors in chrome
-                    return el.scrollTop + el.clientHeight + 1 >= el.scrollHeight;
+                    var result = el.scrollTop + el.offsetHeight + 1 <= el.scrollHeight;
+                    if (!result) {
+                      result = (el.parentElement.scrollHeight - window.innerHeight) !== 0;
+                      scrollParent = true;
+                    } else {
+                      scrollParent = false;
+                    }
+                    return result;
                 }
 
                 function onScroll(){
@@ -83,4 +96,4 @@
             }
         };
     }]);
-}(angular));
+}(angular));
\ No newline at end of file

From 0426b7d28f702cff848a6475d071d7d9b3647c26 Mon Sep 17 00:00:00 2001
From: Zam-mbpr <love8879201@gmail.com>
Date: Wed, 4 Feb 2015 21:10:18 +0800
Subject: [PATCH 2/2] let it work in android webview either

---
 src/scrollglue.js | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/scrollglue.js b/src/scrollglue.js
index 13b16dc..fd23bd5 100644
--- a/src/scrollglue.js
+++ b/src/scrollglue.js
@@ -40,7 +40,6 @@
         }
 
         function createActivationState(attr, scope){
-          console.log(attr !== "")
             if(attr !== ""){
                 var getter = $parse(attr);
                 if(getter.assign !== undefined){
@@ -60,10 +59,14 @@
                 var el = $el[0],
                     activationState = createActivationState(attrs.scrollGlue, scope);
                 var scrollParent = false;
+                var height = 0;
                 function scrollToBottom(){
                   if (scrollParent) {
-                    var height = el.parentElement.scrollHeight - window.innerHeight;
-                    el.parentElement.scrollTop = height;
+                    if (el.parentElement.scrollHeight > 0) {
+                      el.parentElement.scrollTop = height;
+                    } else {
+                      document.body.scrollTop = height;
+                    }
                   } else {
                     el.scrollTop = el.scrollHeight;
                   }
@@ -79,7 +82,12 @@
                     // + 1 catches off by one errors in chrome
                     var result = el.scrollTop + el.offsetHeight + 1 <= el.scrollHeight;
                     if (!result) {
-                      result = (el.parentElement.scrollHeight - window.innerHeight) !== 0;
+                      var scrollHeight = el.parentElement.scrollHeight;
+                      if (scrollHeight === 0) {
+                        scrollHeight = document.body.scrollHeight;
+                      }
+                      height = scrollHeight - window.innerHeight;
+                      result = height !== 0;
                       scrollParent = true;
                     } else {
                       scrollParent = false;