Animate in-conversation panels on show/hide

js/views/contact_list_view.js

@@ -16,6 +16,7 @@
       initialize(options) {
         this.ourNumber = textsecure.storage.user.getNumber();
         this.listenBack = options.listenBack;
+        this.loading = false;
 
         this.listenTo(this.model, 'change', this.render);
       },
@@ -39,19 +40,28 @@
             profileName: this.model.getProfileName(),
             verified: this.model.isVerified(),
             onClick: this.showIdentity.bind(this),
+            disabled: this.loading,
           },
         });
         this.$el.append(this.contactView.el);
         return this;
       },
       showIdentity() {
-        if (this.model.id === this.ourNumber) {
+        if (this.model.id === this.ourNumber || this.loading) {
           return;
         }
+
+        this.loading = true;
+        this.render();
+
         const view = new Whisper.KeyVerificationPanelView({
           model: this.model,
+          onLoad: () => {
+            this.loading = false;
+            this.listenBack(view);
+            this.render();
+          },
         });
-        this.listenBack(view);
       },
     }),
   });

js/views/conversation_view.js

@@ -954,7 +954,7 @@
       };
 
       const view = new Whisper.ReactWrapperView({
-        className: 'panel-wrapper',
+        className: 'panel',
         Component: Signal.Components.MediaGallery,
         props: await getProps(),
         onClose: () => {
@@ -1537,7 +1537,7 @@
 
       const props = message.getPropsForMessageDetail();
       const view = new Whisper.ReactWrapperView({
-        className: 'message-detail-wrapper',
+        className: 'panel message-detail-wrapper',
         Component: Signal.Components.MessageDetail,
         props,
         onClose,
@@ -1597,11 +1597,11 @@
 
     listenBack(view) {
       this.panels = this.panels || [];
-      if (this.panels.length > 0) {
-        this.panels[0].$el.hide();
-      }
       this.panels.unshift(view);
-      view.$el.insertBefore(this.$('.panel').first());
+      view.$el.insertAfter(this.$('.panel').last());
+      view.$el.one('animationend', () => {
+        view.$el.addClass('panel--static');
+      });
     },
     resetPanel() {
       if (!this.panels || !this.panels.length) {
@@ -1611,14 +1611,15 @@
       const view = this.panels.shift();
 
       if (this.panels.length > 0) {
-        this.panels[0].$el.show();
-      }
-      view.remove();
-
-      if (this.panels.length === 0) {
-        // Make sure poppers are positioned properly
-        window.dispatchEvent(new Event('resize'));
+        this.panels[0].$el.fadeIn(250);
       }
+      view.$el.addClass('panel--remove').one('transitionend', () => {
+        view.remove();
+        if (this.panels.length === 0) {
+          // Make sure poppers are positioned properly
+          window.dispatchEvent(new Event('resize'));
+        }
+      });
     },
 
     endSession() {

js/views/key_verification_view.js

@@ -22,6 +22,9 @@
 
       this.loadKeys().then(() => {
         this.listenTo(this.model, 'change', this.render);
+        if (options.onLoad) {
+          options.onLoad();
+        }
       });
     },
     loadKeys() {

stylesheets/_conversation.scss

@@ -1,15 +1,56 @@
+@import './mixins';
+
+@keyframes panel--in {
+  from {
+    transform: translateX(500px);
+    opacity: 0;
+  }
+
+  to {
+    transform: translateX(0);
+    opacity: 1;
+  }
+}
+
 .conversation {
   background-color: $color-white;
   height: 100%;
   position: relative;
 
-  .panel,
-  .panel-wrapper {
+  .panel {
     height: calc(100% - #{$header-height});
     overflow-y: scroll;
+    z-index: 1;
+    position: absolute;
+    left: 0;
+    top: 48px;
+    width: 100%;
+    height: calc(100% - 48px);
+
+    @include light-theme() {
+      background-color: $color-white;
+    }
+
+    @include dark-theme() {
+      background-color: $color-black;
+    }
   }
 
   .panel {
+    &:not(.main) {
+      animation: panel--in 250ms ease-out;
+    }
+
+    &--static {
+      animation: none;
+    }
+
+    &--remove {
+      transform: translateX(500px);
+      opacity: 0;
+      transition: all 250ms ease-out;
+    }
+
     .container {
       padding-top: 20px;
       max-width: 750px;
@@ -18,8 +59,7 @@
     }
   }
 
-  .main.panel,
-  .panel-wrapper {
+  .main.panel {
     display: flex;
     flex-direction: column;
     overflow: initial;

stylesheets/_modules.scss

@@ -1512,7 +1512,17 @@
   height: 35px;
   min-width: 35px;
   vertical-align: text-bottom;
-  cursor: pointer;
+  border: none;
+  opacity: 0;
+  transition: opacity 250ms ease-out;
+
+  &:disabled {
+    cursor: default;
+  }
+
+  &--show {
+    opacity: 1;
+  }
 }
 
 .module-conversation-header__title-container {
@@ -1595,7 +1605,17 @@
   height: 20px;
   width: 20px;
   margin-left: 4px;
-  cursor: pointer;
+  border: none;
+  opacity: 0;
+  transition: opacity 250ms ease-out;
+
+  &:disabled {
+    cursor: default;
+  }
+
+  &--show {
+    opacity: 1;
+  }
 }
 
 // Module: Message Detail

ts/components/conversation/ConversationHeader.tsx

@@ -1,4 +1,5 @@
 import React from 'react';
+import classnames from 'classnames';
 
 import { Emojify } from './Emojify';
 import { Avatar } from '../Avatar';
@@ -49,7 +50,7 @@ interface Props {
 }
 
 export class ConversationHeader extends React.Component<Props> {
-  public showMenuBound: (event: React.MouseEvent<HTMLDivElement>) => void;
+  public showMenuBound: (event: React.MouseEvent<HTMLButtonElement>) => void;
   public menuTriggerRef: React.RefObject<any>;
 
   public constructor(props: Props) {
@@ -59,7 +60,7 @@ export class ConversationHeader extends React.Component<Props> {
     this.showMenuBound = this.showMenu.bind(this);
   }
 
-  public showMenu(event: React.MouseEvent<HTMLDivElement>) {
+  public showMenu(event: React.MouseEvent<HTMLButtonElement>) {
     if (this.menuTriggerRef.current) {
       this.menuTriggerRef.current.handleContextClick(event);
     }
@@ -68,15 +69,14 @@ export class ConversationHeader extends React.Component<Props> {
   public renderBackButton() {
     const { onGoBack, showBackButton } = this.props;
 
-    if (!showBackButton) {
-      return null;
-    }
-
     return (
-      <div
+      <button
         onClick={onGoBack}
-        role="button"
-        className="module-conversation-header__back-icon"
+        className={classnames(
+          'module-conversation-header__back-icon',
+          showBackButton ? 'module-conversation-header__back-icon--show' : null
+        )}
+        disabled={!showBackButton}
       />
     );
   }
@@ -171,16 +171,17 @@ export class ConversationHeader extends React.Component<Props> {
   public renderGear(triggerId: string) {
     const { showBackButton } = this.props;
 
-    if (showBackButton) {
-      return null;
-    }
-
     return (
       <ContextMenuTrigger id={triggerId} ref={this.menuTriggerRef}>
-        <div
-          role="button"
+        <button
           onClick={this.showMenuBound}
-          className="module-conversation-header__gear-icon"
+          className={classnames(
+            'module-conversation-header__gear-icon',
+            showBackButton
+              ? null
+              : 'module-conversation-header__gear-icon--show'
+          )}
+          disabled={showBackButton}
         />
       </ContextMenuTrigger>
     );