Merge pull request #2702 from gnestor/image-gif

Add image/gif mimetype

Author: rgbkrk

notebook/static/notebook/js/outputarea.js

@@ -263,6 +263,7 @@ define([
     var MIME_SVG = 'image/svg+xml';
     var MIME_PNG = 'image/png';
     var MIME_JPEG = 'image/jpeg';
+    var MIME_GIF = 'image/gif';
     var MIME_PDF = 'application/pdf';
     var MIME_TEXT = 'text/plain';
 
@@ -275,6 +276,7 @@ define([
         MIME_SVG,
         MIME_PNG,
         MIME_JPEG,
+        MIME_GIF,
         MIME_PDF,
         MIME_TEXT,
     ];
@@ -660,6 +662,7 @@ define([
     OutputArea.safe_outputs[MIME_LATEX] = true;
     OutputArea.safe_outputs[MIME_PNG] = true;
     OutputArea.safe_outputs[MIME_JPEG] = true;
+    OutputArea.safe_outputs[MIME_GIF] = true;
 
     OutputArea.prototype.append_mime_type = function (json, element, handle_inserted) {
         for (var i=0; i < OutputArea.display_order.length; i++) {
@@ -683,7 +686,7 @@ define([
                 // callback, if the mime type is something other we must call the 
                 // inserted callback only when the element is actually inserted
                 // into the DOM.  Use a timeout of 0 to do this.
-                if ([MIME_PNG, MIME_JPEG].indexOf(type) < 0 && handle_inserted !== undefined) {
+                if ([MIME_PNG, MIME_JPEG, MIME_GIF].indexOf(type) < 0 && handle_inserted !== undefined) {
                     setTimeout(handle_inserted, 0);
                 }
                 this.events.trigger('output_appended.OutputArea', [type, value, md, toinsert]);
@@ -822,7 +825,7 @@ define([
             });
         }
         img[0].src = 'data:image/png;base64,'+ png;
-        set_width_height(img, md, MIME_PNG);
+        set_width_height(img, md, type);
         dblclick_to_reset_size(img);
         toinsert.append(img);
         element.append(toinsert);
@@ -840,7 +843,24 @@ define([
             });
         }
         img[0].src = 'data:image/jpeg;base64,'+ jpeg;
-        set_width_height(img, md, MIME_JPEG);
+        set_width_height(img, md, type);
+        dblclick_to_reset_size(img);
+        toinsert.append(img);
+        element.append(toinsert);
+        return toinsert;
+    };
+    
+    var append_gif = function (gif, md, element, handle_inserted) {
+        var type = MIME_GIF;
+        var toinsert = this.create_output_subarea(md, "output_gif", type);
+        var img = $("<img/>");
+        if (handle_inserted !== undefined) {
+            img.on('load', function(){
+                handle_inserted(img);
+            });
+        }
+        img[0].src = 'data:image/gif;base64,'+ gif;
+        set_width_height(img, md, type);
         dblclick_to_reset_size(img);
         toinsert.append(img);
         element.append(toinsert);
@@ -1073,6 +1093,7 @@ define([
         MIME_SVG,
         MIME_PNG,
         MIME_JPEG,
+        MIME_GIF,
         MIME_PDF,
         MIME_TEXT
     ];
@@ -1084,6 +1105,7 @@ define([
     OutputArea.append_map[MIME_SVG] = append_svg;
     OutputArea.append_map[MIME_PNG] = append_png;
     OutputArea.append_map[MIME_JPEG] = append_jpeg;
+    OutputArea.append_map[MIME_GIF] = append_gif;
     OutputArea.append_map[MIME_LATEX] = append_latex;
     OutputArea.append_map[MIME_JAVASCRIPT] = append_javascript;
     OutputArea.append_map[MIME_PDF] = append_pdf;