Get the file name before downloading the entire file

www/file/file.css

@@ -1,6 +1,7 @@
 html,
 body {
   margin: 0px;
+  height: 100%;
 }
 .cryptpad-toolbar {
   margin-bottom: 1px;

www/file/file.less

@@ -5,6 +5,7 @@
 
 html, body {
     margin: 0px;
+    height: 100%;
 }
 .cryptpad-toolbar {
     margin-bottom: 1px;

www/file/inner.html

@@ -19,7 +19,7 @@
         <input type="button" name="dl" id="dl" class="inputfile" />
         <label for="dl" class="block unselectable" data-localization-title="download_button"
             data-localization="download_button"></label>
-        <span class="block" id="progress">&nbsp;</span>
+        <span class="block" id="progress"></span>
     </div>
     <table id="status" style="display: none;">
         <tr>

www/file/main.js

@@ -26,6 +26,9 @@ define([
     var $table = $iframe.find('#status');
     var $progress = $iframe.find('#progress');
 
+    $iframe.find('body').on('dragover', function (e) { e.preventDefault(); });
+    $iframe.find('body').on('drop', function (e) { e.preventDefault(); });
+
     Cryptpad.addLoadingScreen();
 
     var Title;
@@ -211,13 +214,10 @@ define([
         };
 
         var exportFile = function () {
-            var suggestion = document.title;
-            Cryptpad.prompt(Messages.exportPrompt,
-                Cryptpad.fixFileName(suggestion), function (filename) {
+            var filename = Cryptpad.fixFileName(document.title);
             if (!(typeof(filename) === 'string' && filename)) { return; }
             var blob = new Blob([myFile], {type: myDataType});
             saveAs(blob, filename);
-            });
         };
 
         Title = Cryptpad.createTitle({}, function(){}, Cryptpad);
@@ -250,20 +250,27 @@ define([
 
         if (!uploadMode) {
             $dlform.show();
-            Cryptpad.removeLoadingScreen();
-            $dlform.find('#dl').click(function () {
-                if (myFile) { return void exportFile(); }
-
             var src = Cryptpad.getBlobPathFromHex(hexFileName);
             var cryptKey = secret.keys && secret.keys.fileKeyStr;
             var key = Nacl.util.decodeBase64(cryptKey);
 
-/*              return FileCrypto.fetchDecryptedMetadata(src, key, function (e, metadata) {
-                    if (e) { return console.error(e); }
-                    console.log(metadata);
-                });*/
+            FileCrypto.fetchDecryptedMetadata(src, key, function (e, metadata) {
+                if (e) { return void console.error(e); }
+                var title = document.title = metadata.name;
+                Title.updateTitle(title || Title.defaultTitle);
+
+                Cryptpad.removeLoadingScreen();
+                var decrypting = false;
+                $dlform.find('#dl, #progress').click(function () {
+                    if (decrypting) { return; }
+                    if (myFile) { return void exportFile(); }
+                    decrypting = true;
+
                     return Cryptpad.fetch(src, function (e, u8) {
-                    if (e) { return void Cryptpad.alert(e); }
+                        if (e) {
+                            decrypting = false;
+                            return void Cryptpad.alert(e);
+                        }
 
                         // now decrypt the u8
                         if (!u8 || !u8.length) {
@@ -272,6 +279,7 @@ define([
 
                         FileCrypto.decrypt(u8, key, function (e, data) {
                             if (e) {
+                                decrypting = false;
                                 return console.error(e);
                             }
                             console.log(data);
@@ -280,6 +288,7 @@ define([
                             myDataType = data.metadata.type;
                             Title.updateTitle(title || Title.defaultTitle);
                             exportFile();
+                            decrypting = false;
                         }, function (progress) {
                             var p = progress * 100 +'%';
                             $progress.width(p);
@@ -287,6 +296,7 @@ define([
                         });
                     });
                 });
+            });
             return;
         }
 
@@ -341,6 +351,7 @@ define([
             e.stopPropagation();
         })
         .on('drop', function (e) {
+            e.stopPropagation();
             var dropped = e.originalEvent.dataTransfer.files;
             counter = 0;
             $label.removeClass('hovering');