Add a share icon in the drive when displaying a shared folder

www/common/common-ui-elements.js

@@ -517,6 +517,35 @@ define([
         }
         return tabs;
     };
+    UIElements.createSFShareModal = function (config) {
+        var origin = config.origin;
+        var pathname = config.pathname;
+        var hashes = config.hashes;
+
+        if (!hashes.editHash) { throw new Error("You must provide a valid hash"); }
+        var url = origin + pathname + '#' + hashes.editHash;
+
+        // Share link tab
+        var link = h('div.cp-share-modal', [
+            h('label', Messages.sharedFolders_share),
+            h('br'),
+            UI.dialog.selectable(url, { id: 'cp-share-link-preview', tabindex: 1 })
+        ]);
+        var linkButtons = [{
+            name: Messages.cancel,
+            onClick: function () {},
+            keys: [27]
+        }, {
+            className: 'primary',
+            name: Messages.share_linkCopy,
+            onClick: function () {
+                var success = Clipboard.copy(url);
+                if (success) { UI.log(Messages.shareSuccess); }
+            },
+            keys: [13]
+        }];
+        return UI.dialog.customModal(link, {buttons: linkButtons});
+    };
 
     UIElements.createButton = function (common, type, rightside, data, callback) {
         var AppConfig = common.getAppConfig();

www/common/proxy-manager.js

@@ -866,7 +866,7 @@ define([
 
     var isInSharedFolder = function (Env, path) {
         var resolved = _resolvePath(Env, path);
-        return typeof resolved.id === "number";
+        return typeof resolved.id === "number" ? resolved.id : false;
     };
 
     /* Generic: doesn't need access to a proxy */

www/drive/inner.js

@@ -1864,6 +1864,27 @@ define([
             $container.append($block);
         };
 
+        var createShareButton = function (id, $container) {
+            var $shareBlock = $('<button>', {
+                'class': 'fa fa-shhare-alt cp-toolbar-share-button',
+                title: Messages.shareButton
+            });
+            var data = manager.getSharedFolderData(id);
+            var parsed = Hash.parsePadUrl(data.href);
+            if (!parsed || !parsed.hash) { return void console.error("Invalid href: "+data.href); }
+            var modal = UIElements.createSFShareModal({
+                origin: APP.origin,
+                pathname: "/drive/",
+                hashes: {
+                    editHash: parsed.hash
+                }
+            });
+            $shareBlock.click(function () {
+                UI.openCustomModal(modal);
+            });
+            $container.append($shareBlock);
+        };
+
         var hideNewButton = function () {
             $('.cp-dropdown-content').hide();
         };
@@ -2527,6 +2548,10 @@ define([
 
             // NewButton can be undefined if we're in read only mode
             createNewButton(isInRoot, $toolbar.find('.cp-app-drive-toolbar-leftside'));
+            var sfId = manager.isInSharedFolder(currentPath);
+            if (sfId) {
+                createShareButton(sfId, $toolbar.find('.cp-app-drive-toolbar-leftside'));
+            }
 
             createTitle($toolbar.find('.cp-app-drive-path'), path);