Make image uploadable by paste from clipboard

directives/input.html

@@ -1,6 +1,6 @@
 <form class="form form-horizontal" id="inputform" ng-submit="sendMessage()" imgur-drop>
   <div class="input-group">
-    <textarea id="{{inputId}}" class="form-control favorite-font" ng-trim="false" rows="1" ng-change="inputChanged()" autocomplete="on" ng-model="command" ng-focus="hideSidebar()">
+    <textarea id="{{inputId}}" class="form-control favorite-font" ng-trim="false" rows="1" ng-change="inputChanged()" autocomplete="on" ng-model="command" ng-focus="hideSidebar()" ng-paste="inputPasted($event)">
     </textarea>
     <span class="input-group-btn">
       <button class="btn btn-complete-nick unselectable mobile" title="Complete nick" ng-click="handleCompleteNickButton($event)"><i class="glyphicon glyphicon-bullhorn"></i></button>

js/inputbar.js

@@ -592,6 +592,24 @@ weechat.directive('inputBar', function() {
 
                 return true;
             };
+            $scope.inputPasted = function(e) {
+                if (e.clipboardData && e.clipboardData.files && e.clipboardData.files.length) {
+                    e.stopPropagation();
+                    e.preventDefault();
+
+                    var sendImageUrl = function(imageUrl) {
+                        if(imageUrl !== undefined && imageUrl !== '') {
+                            $rootScope.insertAtCaret(String(imageUrl));
+                        }
+                    };
+
+                    for (var i = 0; i < e.clipboardData.files.length; i++) {
+                        imgur.process(e.clipboardData.files[i], sendImageUrl);
+                    }
+                    return false;
+                }
+                return true;
+            };
         }]
     };
 });