Call out icons on hover

https://github.com/vector-im/riot-web/issues/3609

src/components/structures/BottomLeftMenu.js

@@ -14,13 +14,15 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-'use strict';
+import React from 'react';
+import ReactDOM from 'react-dom';
+import sdk from 'matrix-react-sdk';
+import dis from 'matrix-react-sdk/lib/dispatcher';
+import AccessibleButton from 'matrix-react-sdk/lib/components/views/elements/AccessibleButton';
+import Velocity from 'velocity-vector';
+import 'velocity-vector/velocity.ui';
 
-var React = require('react');
-var ReactDOM = require('react-dom');
-var sdk = require('matrix-react-sdk')
-var dis = require('matrix-react-sdk/lib/dispatcher');
-var AccessibleButton = require('matrix-react-sdk/lib/components/views/elements/AccessibleButton');
+const CALLOUT_ANIM_DURATION = 1000;
 
 module.exports = React.createClass({
     displayName: 'BottomLeftMenu',
@@ -40,6 +42,18 @@ module.exports = React.createClass({
         });
     },
 
+    componentWillMount: function() {
+        this._dispatcherRef = dis.register(this.onAction);
+        this._peopleButton = null;
+        this._directoryButton = null;
+        this._createRoomButton = null;
+        this._lastCallouts = {};
+    },
+
+    componentWillUnmount: function() {
+        dis.unregister(this._dispatcherRef);
+    },
+
     // Room events
     onDirectoryClick: function() {
         dis.dispatch({ action: 'view_room_directory' });
@@ -104,6 +118,30 @@ module.exports = React.createClass({
         this.setState({ settingsHover: false });
     },
 
+    onAction: function(payload) {
+        let calloutElement;
+        switch (payload.action) {
+            // Incoming instruction: dance!
+            case 'callout_start_chat':
+                calloutElement = this._peopleButton;
+                break;
+            case 'callout_room_directory':
+                calloutElement = this._directoryButton;
+                break;
+            case 'callout_create_room':
+                calloutElement = this._createRoomButton;
+                break;
+        }
+        if (calloutElement) {
+            const lastCallout = this._lastCallouts[payload.action];
+            const now = Date.now();
+            if (lastCallout == undefined || lastCallout < now - CALLOUT_ANIM_DURATION) {
+                this._lastCallouts[payload.action] = now;
+                Velocity(ReactDOM.findDOMNode(calloutElement), "callout.bounce", CALLOUT_ANIM_DURATION);
+            }
+        }
+    },
+
     // Get the label/tooltip to show
     getLabel: function(label, show) {
         if (show) {
@@ -112,6 +150,18 @@ module.exports = React.createClass({
         }
     },
 
+    _collectPeopleButton: function(e) {
+        this._peopleButton = e;
+    },
+
+    _collectDirectoryButton: function(e) {
+        this._directoryButton = e;
+    },
+
+    _collectCreateRoomButton: function(e) {
+        this._createRoomButton = e;
+    },
+
     render: function() {
         var TintableSvg = sdk.getComponent('elements.TintableSvg');
 
@@ -130,15 +180,15 @@ module.exports = React.createClass({
                 <div className="mx_BottomLeftMenu_options">
                     { homeButton }
                     <AccessibleButton className="mx_BottomLeftMenu_people" onClick={ this.onPeopleClick } onMouseEnter={ this.onPeopleMouseEnter } onMouseLeave={ this.onPeopleMouseLeave } >
-                        <TintableSvg src="img/icons-people.svg" width="25" height="25" />
+                        <TintableSvg ref={this._collectPeopleButton} src="img/icons-people.svg" width="25" height="25" />
                         { this.getLabel("Start chat", this.state.peopleHover) }
                     </AccessibleButton>
                     <AccessibleButton className="mx_BottomLeftMenu_directory" onClick={ this.onDirectoryClick } onMouseEnter={ this.onDirectoryMouseEnter } onMouseLeave={ this.onDirectoryMouseLeave } >
-                        <TintableSvg src="img/icons-directory.svg" width="25" height="25"/>
+                        <TintableSvg ref={this._collectDirectoryButton} src="img/icons-directory.svg" width="25" height="25"/>
                         { this.getLabel("Room directory", this.state.directoryHover) }
                     </AccessibleButton>
                     <AccessibleButton className="mx_BottomLeftMenu_createRoom" onClick={ this.onRoomsClick } onMouseEnter={ this.onRoomsMouseEnter } onMouseLeave={ this.onRoomsMouseLeave } >
-                        <TintableSvg src="img/icons-create-room.svg" width="25" height="25" />
+                        <TintableSvg ref={this._collectCreateRoomButton} src="img/icons-create-room.svg" width="25" height="25" />
                         { this.getLabel("Create new room", this.state.roomsHover) }
                     </AccessibleButton>
                     <AccessibleButton className="mx_BottomLeftMenu_settings" onClick={ this.onSettingsClick } onMouseEnter={ this.onSettingsMouseEnter } onMouseLeave={ this.onSettingsMouseLeave } >

src/components/structures/RoomSubList.js

@@ -82,6 +82,7 @@ var RoomSubList = React.createClass({
         incomingCall: React.PropTypes.object,
         onShowMoreRooms: React.PropTypes.func,
         searchFilter: React.PropTypes.string,
+        emptyContent: React.PropTypes.node, // content shown if the list is empty
     },
 
     getInitialState: function() {
@@ -468,16 +469,18 @@ var RoomSubList = React.createClass({
 
     render: function() {
         var connectDropTarget = this.props.connectDropTarget;
-        var RoomDropTarget = sdk.getComponent('rooms.RoomDropTarget');
         var TruncatedList = sdk.getComponent('elements.TruncatedList');
 
         var label = this.props.collapsed ? null : this.props.label;
 
         //console.log("render: " + JSON.stringify(this.state.sortedList));
 
-        var target;
-        if (this.state.sortedList.length == 0 && this.props.editable) {
-            target = <RoomDropTarget label={ 'Drop here to ' + this.props.verb }/>;
+        let content;
+        if (this.state.sortedList.length == 0) {
+            //content = <RoomDropTarget label={ 'Drop here to ' + this.props.verb }/>;
+            content = this.props.emptyContent;
+        } else {
+            content = this.makeRoomTiles();
         }
 
         var roomCount = this.props.list.length > 0 ? this.props.list.length : '';
@@ -497,8 +500,7 @@ var RoomSubList = React.createClass({
             if (!this.state.hidden) {
                 subList = <TruncatedList className={ classes } truncateAt={this.state.truncateAt}
                                          createOverflowElement={this._createOverflowTile} >
-                                { target }
-                                { this.makeRoomTiles() }
+                                { content }
                           </TruncatedList>;
             }
             else {

src/skins/vector/css/matrix-react-sdk/views/rooms/_RoomList.scss

@@ -1,5 +1,6 @@
 /*
 Copyright 2015, 2016 OpenMarket Ltd
+Copyright 2107 Vector Creations Ltd
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -37,3 +38,24 @@ limitations under the License.
 .mx_RoomList_scrollbar .gm-scrollbar.-vertical {
     z-index: 6;
 }
+
+.mx_RoomList_greyedSubListLabel {
+    color: #a2a2a2;
+}
+
+.mx_RoomList_emptySubListTip {
+    font-size: 13px;
+    margin-left: 18px;
+    margin-right: 18px;
+    margin-top: 8px;
+    margin-bottom: 7px;
+    padding: 5px;
+    border: 1px solid $accent-color;
+    color: $primary-fg-color;
+    background-color: $droptarget-bg-color;
+    border-radius: 4px;
+}
+
+.mx_RoomList_butonPreview {
+    float: right;
+}