From af5a134081275d69cf32fb2b62a721816ed7b606 Mon Sep 17 00:00:00 2001
From: Jonas Herzig <me@johni0702.de>
Date: Mon, 24 Sep 2018 19:00:18 +0200
Subject: [PATCH] Add context menu for users and channels

---
 app/index.html                    | 127 ++++++++++++++++++++++++++++++
 app/index.js                      |  90 +++++++++++++++++++++
 themes/MetroMumbleLight/main.scss |  34 ++++++++
 3 files changed, 251 insertions(+)

diff --git a/app/index.html b/app/index.html
index f0fcca8..18da55a 100644
--- a/app/index.html
+++ b/app/index.html
@@ -179,6 +179,129 @@
           </form>
         </div>
       <!-- /ko -->
+      <!-- ko with: userContextMenu -->
+      <ul class="context-menu" data-bind="if: target,
+                                          style: { left: posX() + 'px',
+                                                   top:  posY() + 'px' }">
+
+        <!-- ko with: target -->
+        <li data-bind="css: { disabled: !canChangeMute() }">
+          Mute
+        </li>
+        <li data-bind="css: { disabled: !canChangeDeafen() }">
+          Deafen
+        </li>
+        <li data-bind="css: { disabled: !canChangePrioritySpeaker() }">
+          Priority Speaker
+        </li>
+
+        <li data-bind="css: { disabled: !canLocalMute() }">
+          Local Mute
+        </li>
+        <li data-bind="css: { disabled: !canIgnoreMessages() }">
+          Ignore Messages
+        </li>
+
+        <li data-bind="css: { disabled: !canChangeComment() }, visible: comment">
+          View Comment
+        </li>
+        <!-- ko if: $data === $root.thisUser() -->
+        <li data-bind="css: { disabled: !canChangeComment() }, visible: true">
+          Change Comment
+        </li>
+        <!-- /ko -->
+        <!-- ko if: $data !== $root.thisUser() -->
+        <li data-bind="css: { disabled: !canChangeComment() }, visible: comment">
+          Reset Comment
+        </li>
+        <!-- /ko -->
+
+        <li data-bind="css: { disabled: !canChangeAvatar() }, visible: texture">
+          View Avatar
+        </li>
+        <!-- ko if: $data === $root.thisUser() -->
+        <li data-bind="css: { disabled: !canChangeAvatar() }, visible: true">
+          Change Avatar
+        </li>
+        <!-- /ko -->
+        <li data-bind="css: { disabled: !canChangeAvatar() }, visible: texture">
+          Reset Avatar
+        </li>
+
+        <li data-bind="css: { disabled: true }, visible: true">
+          Send Message
+        </li>
+        <li data-bind="css: { disabled: true }, visible: true">
+          Information
+        </li>
+
+        <li data-bind="visible: $data === $root.thisUser(),
+                       css: { checked: selfMute },
+                       click: toggleMute">
+          Self Mute
+        </li>
+        <li data-bind="visible: $data === $root.thisUser(),
+                       css: { checked: selfDeaf },
+                       click: toggleDeaf">
+          Self Deafen
+        </li>
+
+        <!-- ko if: $data !== $root.thisUser() -->
+        <li data-bind="css: { disabled: true }, visible: true">
+          Add Friend
+        </li>
+        <li data-bind="css: { disabled: true }, visible: false">
+          Remove Friend
+        </li>
+        <!-- /ko -->
+
+        <!-- /ko -->
+      </ul>
+      <!-- /ko -->
+      <!-- ko with: channelContextMenu -->
+      <ul class="context-menu" data-bind="if: target,
+                                          style: { left: posX() + 'px',
+                                                   top:  posY() + 'px' }">
+
+        <!-- ko with: target -->
+        <li data-bind="visible: users.indexOf($root.thisUser()) === -1,
+                       css: { disabled: !canJoin() },
+                       click: $root.requestMove.bind($root, $root.thisUser())">
+          Join Channel
+        </li>
+        <li data-bind="css: { disabled: !canAdd() }">
+          Add
+        </li>
+        <li data-bind="css: { disabled: !canEdit() }">
+          Edit
+        </li>
+        <li data-bind="css: { disabled: !canRemove() }">
+          Remove
+        </li>
+
+        <li data-bind="css: { disabled: !canLink() }">
+          Link
+        </li>
+        <li data-bind="css: { disabled: !canUnlink() }">
+          Unlink
+        </li>
+        <li data-bind="css: { disabled: !canUnlink() }">
+          Unlink All
+        </li>
+
+        <li data-bind="css: { disabled: true }">
+          Copy Mumble URL
+        </li>
+        <li data-bind="css: { disabled: true }">
+          Copy Mumble-Web URL
+        </li>
+        <li data-bind="css: { disabled: !canSendMessage() }">
+          Send Message
+        </li>
+
+        <!-- /ko -->
+      </ul>
+      <!-- /ko -->
       <script type="text/html" id="user-tag">
         <span class="user-tag" data-bind="text: name"></span>
       </script>
@@ -265,6 +388,7 @@
         <div class="channel" data-bind="
             click: $root.select, 
             event: {
+              contextmenu: openContextMenu,
               dblclick: $root.requestMove.bind($root, $root.thisUser())
             },
             css: {
@@ -292,6 +416,9 @@
           <div class="user-tree"></div>
           <div class="user" data-bind="
                 click: $root.select,
+                event: {
+                  contextmenu: openContextMenu
+                },
                 css: {
                   thisClient: $root.thisUser() === $data,
                   selected: $root.selected() === $data
diff --git a/app/index.js b/app/index.js
index e7cce7d..4a7447e 100644
--- a/app/index.js
+++ b/app/index.js
@@ -19,8 +19,34 @@ function sanitize (html) {
   })
 }
 
+function openContextMenu (event, contextMenu, target) {
+  contextMenu.posX(event.clientX)
+  contextMenu.posY(event.clientY)
+  contextMenu.target(target)
+
+  const closeListener = (event) => {
+    // Always close, no matter where they clicked
+    setTimeout(() => { // delay to allow click to be actually processed
+      contextMenu.target(null)
+      unregister()
+    })
+  }
+  const unregister = () => document.removeEventListener('click', closeListener)
+  document.addEventListener('click', closeListener)
+
+  event.stopPropagation()
+  event.preventDefault()
+}
+
 // GUI
 
+function ContextMenu () {
+  var self = this
+  self.posX = ko.observable()
+  self.posY = ko.observable()
+  self.target = ko.observable()
+}
+
 function ConnectDialog () {
   var self = this
   self.address = ko.observable('')
@@ -152,6 +178,8 @@ class GlobalBindings {
   constructor () {
     this.settings = new Settings()
     this.client = null
+    this.userContextMenu = new ContextMenu()
+    this.channelContextMenu = new ContextMenu()
     this.connectDialog = new ConnectDialog()
     this.connectErrorDialog = new ConnectErrorDialog(this.connectDialog)
     this.connectionInfo = new ConnectionInfo()
@@ -342,6 +370,46 @@ class GlobalBindings {
         }
         return true
       }
+      ui.openContextMenu = (_, event) => openContextMenu(event, this.userContextMenu, ui)
+      ui.canChangeMute = () => {
+        return false // TODO check for perms and implement
+      }
+      ui.canChangeDeafen = () => {
+        return false // TODO check for perms and implement
+      }
+      ui.canChangePrioritySpeaker = () => {
+        return false // TODO check for perms and implement
+      }
+      ui.canLocalMute = () => {
+        return false // TODO implement local mute
+        // return this.thisUser() !== ui
+      }
+      ui.canIgnoreMessages = () => {
+        return false // TODO implement ignore messages
+        // return this.thisUser() !== ui
+      }
+      ui.canChangeComment = () => {
+        return false // TODO implement changing of comments
+        // return this.thisUser() === ui // TODO check for perms
+      }
+      ui.canChangeAvatar = () => {
+        return false // TODO implement changing of avatar
+        // return this.thisUser() === ui // TODO check for perms
+      }
+      ui.toggleMute = () => {
+        if (ui.selfMute()) {
+          this.requestUnmute(ui)
+        } else {
+          this.requestMute(ui)
+        }
+      }
+      ui.toggleDeaf = () => {
+        if (ui.selfDeaf()) {
+          this.requestUndeaf(ui)
+        } else {
+          this.requestDeaf(ui)
+        }
+      }
       Object.entries(simpleProperties).forEach(key => {
         ui[key[1]] = ko.observable(user[key[0]])
       })
@@ -421,6 +489,28 @@ class GlobalBindings {
         users: ko.observableArray(),
         linked: ko.observable(false)
       }
+      ui.openContextMenu = (_, event) => openContextMenu(event, this.channelContextMenu, ui)
+      ui.canJoin = () => {
+        return true // TODO check for perms
+      }
+      ui.canAdd = () => {
+        return false // TODO check for perms and implement
+      }
+      ui.canEdit = () => {
+        return false // TODO check for perms and implement
+      }
+      ui.canRemove = () => {
+        return false // TODO check for perms and implement
+      }
+      ui.canLink = () => {
+        return false // TODO check for perms and implement
+      }
+      ui.canUnlink = () => {
+        return false // TODO check for perms and implement
+      }
+      ui.canSendMessage = () => {
+        return false // TODO check for perms and implement
+      }
       Object.entries(simpleProperties).forEach(key => {
         ui[key[1]] = ko.observable(channel[key[0]])
       })
diff --git a/themes/MetroMumbleLight/main.scss b/themes/MetroMumbleLight/main.scss
index bc2863b..96a7519 100644
--- a/themes/MetroMumbleLight/main.scss
+++ b/themes/MetroMumbleLight/main.scss
@@ -6,6 +6,7 @@ $bg-color: #eee !default
 $white: #fff !default
 
 $font-color: $black !default
+$font-disabled-color: $gray !default
 $panel-bg-color: $white !default
 $panel-border-color: $lightgray !default
 $channel-tree-color: $lightgray !default
@@ -38,6 +39,9 @@ $dialog-button-color: $dialog-color !default
 $dialog-input-border-color: $darkgray !default
 $dialog-input-bg-color: $white !default
 $dialog-input-color: $dialog-color !default
+$context-menu-bg-color: $bg-color !default
+$context-menu-border-color: $panel-border-color !default
+$context-menu-hover-bg-color: $toolbar-hover-bg-color !default
 
 $tooltip-bg-color: $panel-bg-color !default
 $channels-bg-color: $panel-bg-color !default
@@ -219,6 +223,36 @@ html, body {
   position: absolute;
   z-index: 100;
 }
+.context-menu {
+  position: absolute;
+  z-index: 50;
+  background: $context-menu-bg-color;
+  border: 1px solid $context-menu-border-color;
+  margin: 0;
+  padding: 0;
+  list-style: none;
+
+  & > li {
+    padding: 5px 20px;
+    padding-left: 10px;
+    &::before {
+      display: inline-block;
+      width: 10px;
+      padding-right: 5px;
+      content: '';
+    }
+    &.checked::before {
+      content: '✓';
+    }
+    &:hover {
+      background: $context-menu-hover-bg-color;
+    }
+    &.disabled {
+      background: $context-menu-bg-color;
+      color: $font-disabled-color;
+    }
+  }
+}
 .toolbar {
   display: flex;
   align-items: center;