initial import for Open Source 🎉

static/js/directives/ui/avatar.js

@@ -0,0 +1,65 @@
+/**
+ * An element which displays an avatar for the given avatar data.
+ */
+angular.module('quay').directive('avatar', function () {
+  var directiveDefinitionObject = {
+    priority: 0,
+    templateUrl: '/static/directives/avatar.html',
+    replace: false,
+    transclude: true,
+    restrict: 'C',
+    scope: {
+      'data': '=data',
+      'size': '=size'
+    },
+    controller: function($scope, $element, AvatarService, Config, UIService, $timeout) {
+      $scope.AvatarService = AvatarService;
+      $scope.Config = Config;
+      $scope.isLoading = true;
+      $scope.showGravatar = false;
+      $scope.loadGravatar = false;
+
+      $scope.imageCallback = function(result) {
+        $scope.isLoading = false;
+
+        if (!result) {
+          $scope.showGravatar = false;
+          return;
+        }
+
+        // Determine whether the gravatar is blank.
+        var canvas = document.createElement("canvas");
+        canvas.width = 512;
+        canvas.height = 512;
+
+        var ctx = canvas.getContext("2d");
+        ctx.drawImage($element.find('img')[0], 0, 0);
+
+        var blank = document.createElement("canvas");
+        blank.width = 512;
+        blank.height = 512;
+
+        var isBlank = canvas.toDataURL('text/png') == blank.toDataURL('text/png');
+        $scope.showGravatar = !isBlank;
+      };
+
+      $scope.$watch('size', function(size) {
+        size = size * 1 || 16;
+        $scope.fontSize = (size - 4) + 'px';
+        $scope.lineHeight = size + 'px';
+        $scope.imageSize = size;
+      });
+
+      $scope.$watch('data', function(data) {
+        if (!data) { return; }
+
+        $scope.loadGravatar = Config.AVATAR_KIND == 'gravatar' &&
+          (data.kind == 'user' || data.kind == 'org');
+
+        $scope.isLoading = $scope.loadGravatar;
+        $scope.hasGravatar = false;
+      });
+    }
+  };
+  return directiveDefinitionObject;
+});