Add reaction picker (#5904)

7 files changed, 237 insertions, 18 deletions

diff --git a/webapp/components/create_comment.jsx b/webapp/components/create_comment.jsx
index 899609ed0..8aa26882b 100644
--- a/webapp/components/create_comment.jsx
+++ b/webapp/components/create_comment.jsx
@@ -580,7 +580,7 @@ export default class CreateComment extends React.Component {
             emojiPicker = (
                 <EmojiPicker
                     onEmojiClick={this.handleEmojiClick}
-                    topOrBottom='bottom'
+                    pickerLocation='bottom'
                     emojiOffset={this.state.emojiOffset}
                     outsideClick={this.closeEmoji}
                 />
diff --git a/webapp/components/create_post.jsx b/webapp/components/create_post.jsx
index 93a299b89..b33e5ea01 100644
--- a/webapp/components/create_post.jsx
+++ b/webapp/components/create_post.jsx
@@ -618,7 +618,7 @@ export default class CreatePost extends React.Component {
             emojiPicker = (
                 <EmojiPicker
                     onEmojiClick={this.handleEmojiClick}
-                    topOrBottom='top'
+                    pickerLocation='top'
                     outsideClick={this.closeEmoji}
 
                 />
diff --git a/webapp/components/emoji_picker/emoji_picker.jsx b/webapp/components/emoji_picker/emoji_picker.jsx
index e12974054..0f45b7297 100644
--- a/webapp/components/emoji_picker/emoji_picker.jsx
+++ b/webapp/components/emoji_picker/emoji_picker.jsx
@@ -34,7 +34,7 @@ class EmojiPicker extends React.Component {
     static propTypes = {
         customEmojis: React.PropTypes.object,
         onEmojiClick: React.PropTypes.func.isRequired,
-        topOrBottom: React.PropTypes.string.isRequired,
+        pickerLocation: React.PropTypes.string.isRequired,
         emojiOffset: React.PropTypes.number,
         outsideClick: React.PropTypes.func
     }
@@ -68,7 +68,9 @@ class EmojiPicker extends React.Component {
 
     onOutsideEvent = (event) => {
         // Handle the event.
-        this.props.outsideClick(event);
+        if (this.props.outsideClick) {
+            this.props.outsideClick(event);
+        }
     }
 
     handleCategoryClick(category) {
@@ -287,7 +289,17 @@ class EmojiPicker extends React.Component {
                 items.push(this.renderCategory(category, this.state.filter));
             }
         }
-        const cssclass = this.props.topOrBottom === 'top' ? 'emoji-picker' : 'emoji-picker-bottom';
+        let cssclass = 'emoji-picker ';
+        if (this.props.pickerLocation === 'top') {
+            cssclass += 'emoji-picker-top';
+        } else if (this.props.pickerLocation === 'bottom') {
+            cssclass += 'emoji-picker-bottom';
+        } else if (this.props.pickerLocation === 'react') {
+            cssclass = 'emoji-picker-react';
+        } else if (this.props.pickerLocation === 'react-rhs-comment') {
+            cssclass = 'emoji-picker-react-rhs-comment';
+        }
+
         const pickerStyle = this.props.emojiOffset ? {top: this.props.emojiOffset} : {};
         return (
             <div
diff --git a/webapp/components/post_view/components/post_info.jsx b/webapp/components/post_view/components/post_info.jsx
index 5318ec272..1da3ecd24 100644
--- a/webapp/components/post_view/components/post_info.jsx
+++ b/webapp/components/post_view/components/post_info.jsx
@@ -2,6 +2,7 @@
 // See License.txt for license information.
 
 import $ from 'jquery';
+import ReactDOM from 'react-dom';
 
 import PostTime from './post_time.jsx';
 
@@ -12,7 +13,8 @@ import * as Utils from 'utils/utils.jsx';
 import * as PostUtils from 'utils/post_utils.jsx';
 import Constants from 'utils/constants.jsx';
 import DelayedAction from 'utils/delayed_action.jsx';
-import {Tooltip, OverlayTrigger} from 'react-bootstrap';
+import {Tooltip, OverlayTrigger, Overlay} from 'react-bootstrap';
+import EmojiPicker from 'components/emoji_picker/emoji_picker.jsx';
 
 import React from 'react';
 import {FormattedMessage} from 'react-intl';
@@ -28,10 +30,17 @@ export default class PostInfo extends React.Component {
         this.unflagPost = this.unflagPost.bind(this);
         this.pinPost = this.pinPost.bind(this);
         this.unpinPost = this.unpinPost.bind(this);
+        this.reactEmojiClick = this.reactEmojiClick.bind(this);
+        this.emojiPickerClick = this.emojiPickerClick.bind(this);
 
         this.canEdit = false;
         this.canDelete = false;
         this.editDisableAction = new DelayedAction(this.handleEditDisable);
+
+        this.state = {
+            showEmojiPicker: false,
+            reactionPickerOffset: 21
+        };
     }
 
     handleDropdownOpened() {
@@ -271,6 +280,10 @@ export default class PostInfo extends React.Component {
         GlobalActions.showGetPostLinkModal(this.props.post);
     }
 
+    emojiPickerClick() {
+        this.setState({showEmojiPicker: !this.state.showEmojiPicker});
+    }
+
     removePost() {
         GlobalActions.emitRemovePost(this.props.post);
     }
@@ -308,6 +321,14 @@ export default class PostInfo extends React.Component {
         PostActions.unflagPost(this.props.post.id);
     }
 
+    reactEmojiClick(emoji) {
+        const pickerOffset = 21;
+
+        const emojiName = emoji.name || emoji.aliases[0];
+        PostActions.addReaction(this.props.post.channel_id, this.props.post.id, emojiName);
+        this.setState({showEmojiPicker: false, reactionPickerOffset: pickerOffset});
+    }
+
     render() {
         var post = this.props.post;
         var comments = '';
@@ -335,11 +356,47 @@ export default class PostInfo extends React.Component {
                         className='comment-icon'
                         dangerouslySetInnerHTML={{__html: Constants.REPLY_ICON}}
                     />
-                    {commentCountText}
+                    <span className='comment-count'>
+                        {commentCountText}
+                    </span>
                 </a>
             );
         }
 
+        let react;
+        if (post.state !== Constants.POST_FAILED &&
+            post.state !== Constants.POST_LOADING &&
+            !Utils.isPostEphemeral(post) &&
+            Utils.isFeatureEnabled(Constants.PRE_RELEASE_FEATURES.EMOJI_PICKER_PREVIEW)) {
+            react = (
+                <span>
+                    <Overlay
+                        show={this.state.showEmojiPicker}
+                        placement='top'
+                        rootClose={true}
+                        container={this}
+                        onHide={() => this.setState({showEmojiPicker: false})}
+                        target={() => ReactDOM.findDOMNode(this.refs['reactIcon_' + post.id])}
+
+                    >
+                        <EmojiPicker
+                            onEmojiClick={this.reactEmojiClick}
+                            pickerLocation='top'
+
+                        />
+                    </Overlay>
+                    <a
+                        href='#'
+                        className='reacticon__container'
+                        onClick={this.emojiPickerClick}
+                        ref={'reactIcon_' + post.id}
+                    ><i className='fa fa-smile-o'/>
+                    </a>
+                </span>
+
+            );
+        }
+
         let options;
         if (Utils.isPostEphemeral(post)) {
             options = (
@@ -358,6 +415,7 @@ export default class PostInfo extends React.Component {
                         >
                             {dropdown}
                         </div>
+                        {react}
                         {comments}
                     </li>
                 );
@@ -445,6 +503,7 @@ export default class PostInfo extends React.Component {
                         postId={post.id}
                     />
                     {pinnedBadge}
+                    {this.state.showEmojiPicker}
                     {flagTrigger}
                 </li>
                 {options}
diff --git a/webapp/components/rhs_comment.jsx b/webapp/components/rhs_comment.jsx
index 278163bf7..fe0f139fa 100644
--- a/webapp/components/rhs_comment.jsx
+++ b/webapp/components/rhs_comment.jsx
@@ -10,7 +10,7 @@ import ReactionListContainer from 'components/post_view/components/reaction_list
 import RhsDropdown from 'components/rhs_dropdown.jsx';
 
 import * as GlobalActions from 'actions/global_actions.jsx';
-import {flagPost, unflagPost, pinPost, unpinPost} from 'actions/post_actions.jsx';
+import {flagPost, unflagPost, pinPost, unpinPost, addReaction} from 'actions/post_actions.jsx';
 
 import TeamStore from 'stores/team_store.jsx';
 
@@ -19,10 +19,13 @@ import * as PostUtils from 'utils/post_utils.jsx';
 
 import Constants from 'utils/constants.jsx';
 import DelayedAction from 'utils/delayed_action.jsx';
-import {Tooltip, OverlayTrigger} from 'react-bootstrap';
+import {Tooltip, OverlayTrigger, Overlay} from 'react-bootstrap';
 
 import {FormattedMessage} from 'react-intl';
 
+import EmojiPicker from 'components/emoji_picker/emoji_picker.jsx';
+import ReactDOM from 'react-dom';
+
 import loadingGif from 'images/load.gif';
 
 import React from 'react';
@@ -38,6 +41,8 @@ export default class RhsComment extends React.Component {
         this.unflagPost = this.unflagPost.bind(this);
         this.pinPost = this.pinPost.bind(this);
         this.unpinPost = this.unpinPost.bind(this);
+        this.reactEmojiClick = this.reactEmojiClick.bind(this);
+        this.emojiPickerClick = this.emojiPickerClick.bind(this);
 
         this.canEdit = false;
         this.canDelete = false;
@@ -46,7 +51,9 @@ export default class RhsComment extends React.Component {
         this.state = {
             currentTeamDisplayName: TeamStore.getCurrent().name,
             width: '',
-            height: ''
+            height: '',
+            showReactEmojiPicker: false,
+            reactPickerOffset: 15
         };
     }
 
@@ -88,7 +95,7 @@ export default class RhsComment extends React.Component {
         );
     }
 
-    shouldComponentUpdate(nextProps) {
+    shouldComponentUpdate(nextProps, nextState) {
         if (nextProps.status !== this.props.status) {
             return true;
         }
@@ -117,6 +124,10 @@ export default class RhsComment extends React.Component {
             return true;
         }
 
+        if (this.state.showReactEmojiPicker !== nextState.showReactEmojiPicker) {
+            return true;
+        }
+
         return false;
     }
 
@@ -327,11 +338,39 @@ export default class RhsComment extends React.Component {
             );
     }
 
+    emojiPickerClick() {
+        // set default offset
+        let reactOffset = 15;
+        const reactSelectorHeight = 360;
+        const reactionIconY = ReactDOM.findDOMNode(this).getBoundingClientRect().top;
+        const rhsMinHeight = 700;
+
+        const spaceAvail = rhsMinHeight - reactionIconY;
+        if (spaceAvail < reactSelectorHeight) {
+            reactOffset = (spaceAvail - reactSelectorHeight);
+        }
+        this.setState({showReactEmojiPicker: !this.state.showReactEmojiPicker, reactPickerOffset: reactOffset});
+    }
+
+    reactEmojiClick(emoji) {
+        this.setState({showReactEmojiPicker: false});
+        const emojiName = emoji.name || emoji.aliases[0];
+        addReaction(this.props.post.channel_id, this.props.post.id, emojiName);
+    }
+
     render() {
         const post = this.props.post;
         const flagIcon = Constants.FLAG_ICON_SVG;
         const mattermostLogo = Constants.MATTERMOST_ICON_SVG;
         const isSystemMessage = PostUtils.isSystemMessage(post);
+        let canReact = false;
+
+        if (post.state !== Constants.POST_FAILED &&
+            post.state !== Constants.POST_LOADING &&
+            !Utils.isPostEphemeral(post) &&
+            Utils.isFeatureEnabled(Constants.PRE_RELEASE_FEATURES.EMOJI_PICKER_PREVIEW)) {
+            canReact = true;
+        }
 
         var currentUserCss = '';
         if (this.props.currentUser.id === post.user_id) {
@@ -536,6 +575,42 @@ export default class RhsComment extends React.Component {
             );
         }
 
+        let react;
+        let reactOverlay;
+
+        if (canReact) {
+            react = (
+                <span>
+                    <a
+                        href='#'
+                        className='reacticon__container reaction'
+                        onClick={this.emojiPickerClick}
+                        ref={'rhs_reacticon_' + post.id}
+                    ><i className='fa fa-smile-o'/>
+                    </a>
+                </span>
+
+            );
+            reactOverlay = (
+                <Overlay
+                    id={'rhs_react_overlay_' + post.id}
+                    show={this.state.showReactEmojiPicker}
+                    placement='top'
+                    rootClose={true}
+                    container={this.refs['post_body_' + post.id]}
+                    onHide={() => this.setState({showReactEmojiPicker: false})}
+                    target={() => ReactDOM.findDOMNode(this.refs['rhs_reacticon_' + post.id])}
+
+                >
+                    <EmojiPicker
+                        onEmojiClick={this.reactEmojiClick}
+                        pickerLocation='react-rhs-comment'
+                        emojiOffset={this.state.reactPickerOffset}
+                    />
+                </Overlay>
+            );
+        }
+
         let options;
         if (Utils.isPostEphemeral(post)) {
             options = (
@@ -546,7 +621,9 @@ export default class RhsComment extends React.Component {
         } else if (!PostUtils.isSystemMessage(post)) {
             options = (
                 <li className='col col__reply'>
+                    {reactOverlay}
                     {this.createDropdown()}
+                    {react}
                 </li>
             );
         }
@@ -570,7 +647,10 @@ export default class RhsComment extends React.Component {
         };
 
         return (
-            <div className={'post post--thread ' + currentUserCss + ' ' + compactClass + ' ' + systemMessageClass}>
+            <div
+                ref={'post_body_' + post.id}
+                className={'post post--thread ' + currentUserCss + ' ' + compactClass + ' ' + systemMessageClass}
+            >
                 <div className='post__content'>
                     {profilePicContainer}
                     <div>
@@ -586,7 +666,7 @@ export default class RhsComment extends React.Component {
                             </li>
                             {options}
                         </ul>
-                        <div className='post__body'>
+                        <div className='post__body' >
                             <div className={postClass}>
                                 {loading}
                                 <PostMessageContainer post={post}/>
diff --git a/webapp/components/rhs_root_post.jsx b/webapp/components/rhs_root_post.jsx
index f07826d63..b298853d8 100644
--- a/webapp/components/rhs_root_post.jsx
+++ b/webapp/components/rhs_root_post.jsx
@@ -14,14 +14,17 @@ import UserStore from 'stores/user_store.jsx';
 import TeamStore from 'stores/team_store.jsx';
 
 import * as GlobalActions from 'actions/global_actions.jsx';
-import {flagPost, unflagPost, pinPost, unpinPost} from 'actions/post_actions.jsx';
+import {flagPost, unflagPost, pinPost, unpinPost, addReaction} from 'actions/post_actions.jsx';
 
 import * as Utils from 'utils/utils.jsx';
 import * as PostUtils from 'utils/post_utils.jsx';
 
+import EmojiPicker from 'components/emoji_picker/emoji_picker.jsx';
+import ReactDOM from 'react-dom';
+
 import Constants from 'utils/constants.jsx';
 import DelayedAction from 'utils/delayed_action.jsx';
-import {Tooltip, OverlayTrigger} from 'react-bootstrap';
+import {Tooltip, OverlayTrigger, Overlay} from 'react-bootstrap';
 
 import {FormattedMessage} from 'react-intl';
 
@@ -37,6 +40,8 @@ export default class RhsRootPost extends React.Component {
         this.unflagPost = this.unflagPost.bind(this);
         this.pinPost = this.pinPost.bind(this);
         this.unpinPost = this.unpinPost.bind(this);
+        this.reactEmojiClick = this.reactEmojiClick.bind(this);
+        this.emojiPickerClick = this.emojiPickerClick.bind(this);
 
         this.canEdit = false;
         this.canDelete = false;
@@ -45,7 +50,9 @@ export default class RhsRootPost extends React.Component {
         this.state = {
             currentTeamDisplayName: TeamStore.getCurrent().name,
             width: '',
-            height: ''
+            height: '',
+            showRHSEmojiPicker: false,
+            testStateObj: true
         };
     }
 
@@ -70,7 +77,7 @@ export default class RhsRootPost extends React.Component {
         this.canEdit = false;
     }
 
-    shouldComponentUpdate(nextProps) {
+    shouldComponentUpdate(nextProps, nextState) {
         if (nextProps.status !== this.props.status) {
             return true;
         }
@@ -107,6 +114,10 @@ export default class RhsRootPost extends React.Component {
             return true;
         }
 
+        if (this.state.showRHSEmojiPicker !== nextState.showRHSEmojiPicker) {
+            return true;
+        }
+
         return false;
     }
 
@@ -155,13 +166,30 @@ export default class RhsRootPost extends React.Component {
         unpinPost(this.props.post.channel_id, this.props.post.id);
     }
 
+    emojiPickerClick() {
+        this.setState({showRHSEmojiPicker: !this.state.showRHSEmojiPicker});
+    }
+
+    reactEmojiClick(emoji) {
+        const emojiName = emoji.name || emoji.aliases[0];
+        addReaction(this.props.post.channel_id, this.props.post.id, emojiName);
+        this.setState({showRHSEmojiPicker: false});
+    }
+
     render() {
         const post = this.props.post;
         const user = this.props.user;
         const mattermostLogo = Constants.MATTERMOST_ICON_SVG;
         var timestamp = user ? user.last_picture_update : 0;
         var channel = ChannelStore.get(post.channel_id);
+        let canReact = false;
         const flagIcon = Constants.FLAG_ICON_SVG;
+        if (post.state !== Constants.POST_FAILED &&
+            post.state !== Constants.POST_LOADING &&
+            !Utils.isPostEphemeral(post) &&
+            Utils.isFeatureEnabled(Constants.PRE_RELEASE_FEATURES.EMOJI_PICKER_PREVIEW)) {
+            canReact = true;
+        }
 
         this.canDelete = PostUtils.canDeletePost(post);
         this.canEdit = PostUtils.canEditPost(post, this.editDisableAction);
@@ -195,6 +223,41 @@ export default class RhsRootPost extends React.Component {
             }
         }
 
+        let react;
+        let reactOverlay;
+
+        if (canReact) {
+            react = (
+                <span>
+                    <a
+                        href='#'
+                        className='reacticon__container reaction'
+                        onClick={this.emojiPickerClick}
+                        ref='rhs_root_reacticon'
+                    ><i className='fa fa-smile-o'/>
+                    </a>
+                </span>
+
+            );
+            reactOverlay = (
+                <Overlay
+                    id='rhs_react_overlay'
+                    show={this.state.showRHSEmojiPicker}
+                    placement='bottom'
+                    rootClose={true}
+                    container={this}
+                    onHide={() => this.setState({showRHSEmojiPicker: false})}
+                    target={() => ReactDOM.findDOMNode(this.refs.rhs_root_reacticon)}
+
+                >
+                    <EmojiPicker
+                        onEmojiClick={this.reactEmojiClick}
+                        pickerLocation='react'
+                    />
+                </Overlay>
+            );
+        }
+
         var dropdownContents = [];
 
         if (Utils.isMobile()) {
@@ -547,7 +610,9 @@ export default class RhsRootPost extends React.Component {
                                 </OverlayTrigger>
                             </li>
                             <li className='col col__reply'>
+                                {reactOverlay}
                                 {rootOptions}
+                                {react}
                             </li>
                         </ul>
                         <div className='post__body'>
diff --git a/webapp/components/rhs_thread.jsx b/webapp/components/rhs_thread.jsx
index 79879973b..4ac36717a 100644
--- a/webapp/components/rhs_thread.jsx
+++ b/webapp/components/rhs_thread.jsx
@@ -424,7 +424,10 @@ export default class RhsThread extends React.Component {
                     renderView={renderView}
                     onScroll={this.handleScroll}
                 >
-                    <div className='post-right__scroll'>
+                    <div
+                        ref='post-right__scroll'
+                        className='post-right__scroll'
+                    >
                         <DateSeparator
                             date={rootPostDay.toDateString()}
                         />