Added chat placeholders

src/components/appSelectPeers.ts

@@ -69,6 +69,8 @@ export default class AppSelectPeers {
   private peerId = 0;
 
   private placeholder: LangPackKey;
+
+  private selfPresence: LangPackKey = 'Presence.YourChat';
   
   constructor(options: {
     appendTo: AppSelectPeers['appendTo'], 
@@ -81,7 +83,8 @@ export default class AppSelectPeers {
     multiSelect?: AppSelectPeers['multiSelect'],
     rippleEnabled?: boolean,
     avatarSize?: AppSelectPeers['avatarSize'],
-    placeholder?: LangPackKey
+    placeholder?: LangPackKey,
+    selfPresence?: LangPackKey
   }) {
     safeAssign(this, options);
 
@@ -449,7 +452,7 @@ export default class AppSelectPeers {
       if(peerId < 0) {
         subtitleEl = appProfileManager.getChatMembersString(-peerId);
       } else if(peerId === rootScope.myId) {
-        subtitleEl = i18n('Presence.YourChat');
+        subtitleEl = i18n(this.selfPresence);
       } else {
         subtitleEl = appUsersManager.getUserStatusString(peerId);
       }

src/components/chat/bubbles.ts

@@ -67,15 +67,22 @@ import replaceContent from "../../helpers/dom/replaceContent";
 import setInnerHTML from "../../helpers/dom/setInnerHTML";
 import whichChild from "../../helpers/dom/whichChild";
 import { cancelAnimationByKey } from "../../helpers/animation";
+import assumeType from "../../helpers/assumeType";
+import { EmoticonsDropdown } from "../emoticonsDropdown";
 
 const USE_MEDIA_TAILS = false;
-const IGNORE_ACTIONS: Message.messageService['action']['_'][] = ['messageActionHistoryClear'];
+const IGNORE_ACTIONS: Set<Message.messageService['action']['_']> = new Set([
+  'messageActionHistoryClear',
+  'messageActionChatCreate'
+]);
 
 const TEST_SCROLL_TIMES: number = undefined;
 let TEST_SCROLL = TEST_SCROLL_TIMES;
 
 let queueId = 0;
 
+type GenerateLocalMessageType<IsService> = IsService extends true ? Message.messageService : Message.message;
+
 export default class ChatBubbles {
   public bubblesContainer: HTMLDivElement;
   private chatInner: HTMLDivElement;
@@ -116,7 +123,7 @@ export default class ChatBubbles {
   private loadedBottomTimes = 0;
 
   private messagesQueuePromise: Promise<void> = null;
-  private messagesQueue: {message: any, bubble: HTMLDivElement, reverse: boolean, promises: Promise<void>[]}[] = [];
+  private messagesQueue: {message: any, bubble: HTMLElement, reverse: boolean, promises: Promise<void>[]}[] = [];
   private messagesQueueOnRender: () => void = null;
   private messagesQueueOnRenderAdditional: () => void = null;
 
@@ -1825,7 +1832,7 @@ export default class ChatBubbles {
     this.chatInner.classList.toggle('is-channel', isChannel);
   }
 
-  public renderMessagesQueue(message: any, bubble: HTMLDivElement, reverse: boolean, promises: Promise<any>[]) {
+  public renderMessagesQueue(message: any, bubble: HTMLElement, reverse: boolean, promises: Promise<any>[]) {
     /* let dateMessage = this.getDateContainerByMessage(message, reverse);
     if(reverse) dateMessage.container.insertBefore(bubble, dateMessage.div.nextSibling);
     else dateMessage.container.append(bubble);
@@ -1891,6 +1898,11 @@ export default class ChatBubbles {
   }
 
   public setBubblePosition(bubble: HTMLElement, message: any, reverse: boolean) {
+    if(message.id < 0) {
+      this.chatInner.prepend(bubble);
+      return;
+    }
+
     const dateMessage = this.getDateContainerByMessage(message, reverse);
     if(this.chat.type === 'scheduled' || this.chat.type === 'pinned'/*  || true */) { // ! TEMP COMMENTED
       const offset = this.stickyIntersector ? 2 : 1;
@@ -2031,10 +2043,14 @@ export default class ChatBubbles {
     const loadPromises: Promise<any>[] = [];
 
     if(message._ === 'messageService') {
-      let action = message.action;
-      let _ = action._;
-      if(IGNORE_ACTIONS.includes(_) || (langPack.hasOwnProperty(_) && !langPack[_])) {
-        return bubble;
+      assumeType<Message.messageService>(message);
+
+      const action = message.action;
+      if(action) {
+        const _ = action._;
+        if(IGNORE_ACTIONS.has(_) || (langPack.hasOwnProperty(_) && !langPack[_])) {
+          return bubble;
+        }
       }
 
       bubble.className = 'bubble service';
@@ -2042,7 +2058,9 @@ export default class ChatBubbles {
       bubbleContainer.innerHTML = '';
       const s = document.createElement('div');
       s.classList.add('service-msg');
-      s.append(this.appMessagesManager.wrapMessageActionTextNew(message));
+      if(action) {
+        s.append(this.appMessagesManager.wrapMessageActionTextNew(message));
+      }
       bubbleContainer.append(s);
 
       if(updatePosition) {
@@ -3055,15 +3073,136 @@ export default class ChatBubbles {
     return promise;
   }
 
-  private processLocalMessageRender(message: any) {
-    const bubble = this.renderMessage(message, false, false, undefined, false);
+  private renderEmptyPlaceholder(type: 'group' | 'saved' | 'noMessages' | 'noScheduledMessages' | 'greeting', bubble: HTMLElement, message: any, elements: (Node | string)[]) {
+    bubble.classList.add('empty-placeholder', 'empty-placeholder-' + type);
+
+    let title: HTMLElement; 
+    if(type === 'group') title = i18n('GroupEmptyTitle1');
+    else if(type === 'saved') title = i18n('ChatYourSelfTitle');
+    else if(type === 'noMessages' || type === 'greeting') title = i18n('NoMessages');
+    else if(type === 'noScheduledMessages') title = i18n('NoScheduledMessages');
+    title.classList.add('center', 'empty-placeholder-title');
+
+    elements.push(title);
+
+    let listElements: HTMLElement[];
+    if(type === 'group') {
+      elements.push(i18n('GroupEmptyTitle2'));
+      listElements = [
+        i18n('GroupDescription1'),
+        i18n('GroupDescription2'),
+        i18n('GroupDescription3'),
+        i18n('GroupDescription4')
+      ];
+    } else if(type === 'saved') {
+      listElements = [
+        i18n('ChatYourSelfDescription1'),
+        i18n('ChatYourSelfDescription2'),
+        i18n('ChatYourSelfDescription3'),
+        i18n('ChatYourSelfDescription4')
+      ];
+    } else if(type === 'greeting') {
+      const subtitle = i18n('NoMessagesGreetingsDescription');
+      subtitle.classList.add('center', 'empty-placeholder-subtitle');
+
+      this.messagesQueue.findAndSplice(q => q.bubble === bubble);
+
+      const stickerDiv = document.createElement('div');
+      stickerDiv.classList.add('empty-placeholder-sticker');
+
+      const middleware = this.getMiddleware();
+      const loadPromise = this.appStickersManager.getGreetingSticker().then(doc => {
+        if(!middleware()) return;
+
+        const loadPromises: Promise<any>[] = [];
+        wrapSticker({
+          doc, 
+          // doc: appDocsManager.getDoc("5431607541660389336"), // cubigator mockup
+          div: stickerDiv,
+          middleware,
+          lazyLoadQueue: this.lazyLoadQueue,
+          group: CHAT_ANIMATION_GROUP,
+          //play: !!message.pending || !multipleRender,
+          play: true,
+          loop: true,
+          withThumb: true,
+          loadPromises
+        });
+
+        attachClickEvent(stickerDiv, (e) => {
+          cancelEvent(e);
+          EmoticonsDropdown.onMediaClick({target: e.target});
+        });
+
+        return Promise.all(loadPromises);
+      });
+
+      this.renderMessagesQueue(message, bubble, false, [loadPromise]);
+
+      elements.push(subtitle, stickerDiv);
+    }
+
+    if(listElements) {
+      elements.push(
+        ...listElements.map(elem => {
+          const span = document.createElement('span');
+          span.classList.add('empty-placeholder-list-item');
+          span.append(elem);
+          return span;
+        })
+      );
+  
+      if(type === 'group') {
+        listElements.forEach(elem => {
+          const i = document.createElement('span');
+          i.classList.add('tgico-check');
+          elem.prepend(i);
+        });
+      } else if(type === 'saved') {
+        listElements.forEach(elem => {
+          const i = document.createElement('span');
+          i.classList.add('empty-placeholder-list-bullet');
+          i.innerText = '•';
+          elem.prepend(i);
+        });
+      }
+    }
+
+    if(elements.length > 1) {
+      bubble.classList.add('has-description');
+    }
+
+    elements.forEach((element: any) => element.classList.add('empty-placeholder-line'));
+  }
+
+  private processLocalMessageRender(message: Message) {
+    const bubble = this.renderMessage(message);
     bubble.classList.add('bubble-first', 'is-group-last', 'is-group-first');
     bubble.classList.remove('can-have-tail', 'is-in');
 
-    const messageDiv = bubble.querySelector('.message');
-    const b = document.createElement('b');
-    b.append(i18n('BotInfoTitle'));
-    messageDiv.prepend(b, '\n\n');
+    const messageDiv = bubble.querySelector('.message, .service-msg');
+    const elements: (Node | string)[] = [];
+    if(this.appPeersManager.isBot(this.peerId)) {
+      const b = document.createElement('b');
+      b.append(i18n('BotInfoTitle'));
+      elements.push(b, '\n\n');
+    } else if(this.appPeersManager.isAnyGroup(this.peerId) && this.appPeersManager.getPeer(this.peerId).pFlags.creator) {
+      this.renderEmptyPlaceholder('group', bubble, message, elements);
+    } else if(rootScope.myId === this.peerId) {
+      this.renderEmptyPlaceholder('saved', bubble, message, elements);
+    } else if(this.peerId > 0 && this.appMessagesManager.canWriteToPeer(this.peerId) && this.chat.type === 'chat') {
+      this.renderEmptyPlaceholder('greeting', bubble, message, elements);
+    } else if(this.chat.type === 'scheduled') {
+      this.renderEmptyPlaceholder('noScheduledMessages', bubble, message, elements);
+    } else {
+      this.renderEmptyPlaceholder('noMessages', bubble, message, elements);
+    }
+
+    /* for(let i = 1; i < elements.length; i += 2) {
+      elements.splice(i, 0, '\n');
+    } */
+
+    messageDiv.prepend(...elements);
     
     if(this.messagesQueueOnRenderAdditional) {
       this.onAnimateLadder = () => {
@@ -3080,6 +3219,29 @@ export default class ChatBubbles {
     }
   }
 
+  private generateLocalFirstMessage<T extends boolean>(service?: T, fill?: (message: GenerateLocalMessageType<T>) => void): GenerateLocalMessageType<T> {
+    const offset = this.appMessagesManager.generateMessageId(0);
+
+    const message: Omit<Message.message | Message.messageService, 'message'> & {message?: string} = {
+      _: service ? 'messageService' : 'message',
+      date: 0,
+      id: -(this.peerId + offset),
+      peer_id: this.appPeersManager.getOutputPeer(this.peerId),
+      pFlags: {}
+    };
+
+    if(!service) {
+      message.message = '';
+    }
+
+    assumeType<GenerateLocalMessageType<T>>(message);
+
+    fill && fill(message);
+
+    this.appMessagesManager.saveMessages([message]);
+    return message;
+  }
+
   private setLoaded(side: SliceSides, value: boolean) {
     const willChange = this.scrollable.loadedAll[side] !== value;
     if(!willChange) {
@@ -3096,22 +3258,30 @@ export default class ChatBubbles {
           return;
         }
 
-        const offset = this.appMessagesManager.generateMessageId(0);
-        const message: Message.message = {
-          _: 'message',
-          date: 0,
-          id: -(this.peerId + offset),
-          message: userFull.bot_info.description,
-          peer_id: this.appPeersManager.getOutputPeer(this.peerId),
-          pFlags: {
-            bot_description: true
-          }
-        };
+        const message = this.generateLocalFirstMessage(false, message => {
+          message.message = userFull.bot_info.description;
+        });
 
-        this.appMessagesManager.saveMessages([message]);
         this.processLocalMessageRender(message);
       });
     }
+
+    this.checkIfEmptyPlaceholderNeeded();
+  }
+
+  public checkIfEmptyPlaceholderNeeded() {
+    if(this.scrollable.loadedAll.top && 
+      this.scrollable.loadedAll.bottom && 
+      !this.chatInner.childElementCount) {
+      this.log('inject empty peer placeholder');
+
+      const message = this.generateLocalFirstMessage(true);
+      this.processLocalMessageRender(message);
+
+      return true;
+    }
+
+    return false;
   }
 
   /**
@@ -3409,6 +3579,8 @@ export default class ChatBubbles {
         delete this.dateMessages[i];
       }
     }
+
+    this.checkIfEmptyPlaceholderNeeded();
   }
 }
 

src/components/popups/forward.ts

@@ -24,7 +24,8 @@ export default class PopupForward extends PopupPickUser {
       },
       onClose,
       placeholder: 'ShareModal.Search.ForwardPlaceholder',
-      chatRightsAction: 'send_messages'
+      chatRightsAction: 'send_messages',
+      selfPresence: 'ChatYourSelf'
     });
   }
 }

src/components/popups/pickUser.ts

@@ -19,6 +19,7 @@ export default class PopupPickUser extends PopupElement {
     placeholder: LangPackKey,
     chatRightsAction?: AppSelectPeers['chatRightsAction'],
     peerId?: number,
+    selfPresence?: LangPackKey
   }) {
     super('popup-forward', null, {closable: true, overlayClosable: true, body: true});
 
@@ -54,7 +55,8 @@ export default class PopupPickUser extends PopupElement {
       rippleEnabled: false,
       avatarSize: 46,
       peerId: options.peerId,
-      placeholder: options.placeholder
+      placeholder: options.placeholder,
+      selfPresence: options.selfPresence
     });
 
     //this.scrollable = new Scrollable(this.body);

src/lang.ts

@@ -494,6 +494,22 @@ const lang = {
   "AreYouSureClearDraftsTitle": "Delete cloud drafts",
   "AreYouSureClearDrafts": "Are you sure you want to delete all cloud drafts?",
   "BotInfoTitle": "What can this bot do?",
+  "ChatYourSelf": "forward here to save",
+  "GroupEmptyTitle1": "You have created a **group**.",
+  "GroupEmptyTitle2": "Groups can have:",
+  "GroupDescription1": "Up to 200,000 members",
+  "GroupDescription2": "Persistent chat history",
+  "GroupDescription3": "Public links such as t.me/title",
+  "GroupDescription4": "Admins with different rights",
+  "ChatYourSelfDescription1": "Forward messages here to save them",
+  "ChatYourSelfDescription2": "Send media and files to store them",
+  "ChatYourSelfDescription3": "Access this chat from any device",
+  "ChatYourSelfDescription4": "Use search to quickly find things",
+  "ChatYourSelfTitle": "Your cloud storage",
+  "ActionYouCreateGroup": "You created the group",
+  "NoMessages": "No messages here yet...",
+  "NoScheduledMessages": "No scheduled messages here yet...",
+  "NoMessagesGreetingsDescription": "Send a message or tap the greeting below.",
 
   // * macos
   "AccountSettings.Filters": "Chat Folders",

src/layer.d.ts

@@ -833,7 +833,6 @@ export namespace Message {
 			pinned?: true,
 			unread?: true,
 			is_outgoing?: true,
-			bot_description?: true,
 		}>,
 		id: number,
 		from_id?: Peer,
@@ -875,6 +874,7 @@ export namespace Message {
 			legacy?: true,
 			unread?: true,
 			is_outgoing?: true,
+			is_single?: true,
 		}>,
 		id: number,
 		from_id?: Peer,

src/lib/appManagers/appMessagesManager.ts

@@ -2788,12 +2788,22 @@ export class AppMessagesManager {
           break;
         }
 
+        case 'messageActionChatCreate': {
+          const myId = appUsersManager.getSelf().id;
+          if(message.fromId === myId) {
+            _ += 'You';
+          } else {
+            args = [getNameDivHTML(message.fromId, plain)];
+          }
+          
+          break;
+        }
+
         case 'messageActionPinMessage':
         case 'messageActionContactSignUp':
         case 'messageActionChatReturn':
         case 'messageActionChatLeave':
         case 'messageActionChatJoined':
-        case 'messageActionChatCreate':
         case 'messageActionChatEditPhoto':
         case 'messageActionChatDeletePhoto':
         case 'messageActionChatEditVideo':
@@ -3419,7 +3429,7 @@ export class AppMessagesManager {
       _: 'messageService',
       pFlags: {
         is_single: true
-      } as any,
+      },
       id: this.generateMessageId(maxMessageId, true),
       date: message.date,
       from_id: {_: 'peerUser', user_id: 0}/* message.from_id */,

src/lib/appManagers/appStickersManager.ts

@@ -26,6 +26,10 @@ export class AppStickersManager {
 
   private getStickerSetPromises: {[setId: string]: Promise<MessagesStickerSet>} = {};
   private getStickersByEmoticonsPromises: {[emoticon: string]: Promise<Document[]>} = {};
+
+  private greetingStickers: Document.document[];
+  private getGreetingStickersTimeout: number;
+  private getGreetingStickersPromise: Promise<void>;
   
   constructor() {
     this.getStickerSet({id: 'emoji'}, {saveById: true});
@@ -36,6 +40,37 @@ export class AppStickersManager {
         rootScope.dispatchEvent('stickers_installed', update.stickerset.set);
       }
     });
+
+    this.getGreetingStickersTimeout = window.setTimeout(() => {
+      this.getGreetingStickersTimeout = undefined;
+      this.getGreetingSticker(true);
+    }, 5000);
+  }
+
+  public getGreetingSticker(justPreload = false) {
+    if(this.getGreetingStickersTimeout) {
+      clearTimeout(this.getGreetingStickersTimeout);
+      this.getGreetingStickersTimeout = undefined;
+    }
+
+    if(!this.getGreetingStickersPromise) {
+      this.getGreetingStickersPromise = this.getStickersByEmoticon('👋', false).then(docs => {
+        this.greetingStickers = docs.slice() as Document.document[];
+        this.greetingStickers.sort((a, b) => Math.random() - Math.random());
+      });
+    }
+    
+    return this.getGreetingStickersPromise.then(() => {
+      let doc: Document.document;
+      if(!justPreload) {
+        doc = this.greetingStickers.shift();
+        this.greetingStickers.push(doc);
+      }
+
+      appDocsManager.downloadDoc(this.greetingStickers[0]); // preload next sticker
+
+      return doc;
+    });
   }
 
   public saveStickers(docs: Document[]) {
@@ -255,15 +290,15 @@ export class AppStickersManager {
     });
   }
 
-  public getStickersByEmoticon(emoticon: string) {
+  public getStickersByEmoticon(emoticon: string, includeOurStickers = true) {
     if(this.getStickersByEmoticonsPromises[emoticon]) return this.getStickersByEmoticonsPromises[emoticon];
 
     return this.getStickersByEmoticonsPromises[emoticon] = Promise.all([
       apiManager.invokeApiHashable('messages.getStickers', {
         emoticon
       }),
-      this.preloadStickerSets(),
-      this.getRecentStickers()
+      includeOurStickers ? this.preloadStickerSets() : [],
+      includeOurStickers ? this.getRecentStickers().then(res => res.packs) : []
     ]).then(([messagesStickers, installedSets, recentStickers]) => {
       const foundStickers = (messagesStickers as MessagesStickers.messagesStickers).stickers.map(sticker => appDocsManager.saveDoc(sticker));
       const cachedStickersAnimated: Document.document[] = [], cachedStickersStatic: Document.document[] = [];
@@ -281,7 +316,7 @@ export class AppStickersManager {
         }
       };
 
-      iteratePacks(recentStickers.packs);
+      iteratePacks(recentStickers);
 
       for(const set of installedSets) {
         iteratePacks(set.packs);

src/lib/langPack.ts

@@ -17,6 +17,7 @@ import rootScope from "./rootScope";
 
 export const langPack: {[actionType: string]: LangPackKey} = {
   "messageActionChatCreate": "ActionCreateGroup",
+  "messageActionChatCreateYou": "ActionYouCreateGroup",
 	"messageActionChatEditTitle": "ActionChangedTitle",
 	"messageActionChatEditPhoto": "ActionChangedPhoto",
 	"messageActionChatEditVideo": "ActionChangedVideo",

src/scripts/in/schema_additional_params.json

@@ -51,8 +51,7 @@
     {"name": "unread", "type": "true"},
     {"name": "is_outgoing", "type": "true"},
     {"name": "rReply", "type": "string"},
-    {"name": "viaBotId", "type": "number"},
-    {"name": "bot_description", "type": "true"}
+    {"name": "viaBotId", "type": "number"}
   ]
 }, {
   "predicate": "messageService",
@@ -64,7 +63,8 @@
     {"name": "unread", "type": "true"},
     {"name": "is_outgoing", "type": "true"},
     {"name": "rReply", "type": "string"},
-    {"name": "viaBotId", "type": "number"}
+    {"name": "viaBotId", "type": "number"},
+    {"name": "is_single", "type": "true"}
   ]
 }, {
   "predicate": "messageEmpty",

src/scss/components/_global.scss

@@ -111,6 +111,10 @@ Utility Classes
   text-align: center;
 }
 
+/* .reset-align {
+  text-align: unset;
+} */
+
 .justify-start {
   justify-content: flex-start!important;
 }

src/scss/partials/_chatBubble.scss

@@ -728,6 +728,81 @@ $bubble-margin: .25rem;
     flex: 1 1 auto;
     align-items: center;
 
+    &.empty-placeholder {
+      position: absolute;
+      top: 50%;
+      left: 50%;
+      transform: translate(-50%, -50%);
+
+      &.has-description {
+        .service-msg {
+          flex-direction: column;
+          align-items: flex-start !important;
+          padding: .75rem 1rem .875rem !important;
+        }
+  
+        .center {
+          align-self: center;
+        }
+  
+        .empty-placeholder-title {
+          font-weight: 500;
+          font-size: 1rem !important;
+        }
+
+        .bubble-content {
+          border-radius: 1.5rem !important;
+        }
+      }
+
+      .empty-placeholder-line + .empty-placeholder-line {
+        margin-top: .5rem;
+      }
+
+      .tgico-check {
+        margin-right: .25rem;
+        font-size: 1.25rem;
+        vertical-align: bottom;
+        margin-left: -.1875rem;
+      }
+
+      .empty-placeholder-list-bullet {
+        margin-right: .3125rem;
+      }
+
+      &:not(:first-child:last-child) {
+        .bubble-content-wrapper {
+          transform: scale3d(.8, .8, 1) translateX(0);
+          //transform: scale(.8) translateX(0);
+          opacity: 0;
+        }
+      }
+
+      &.empty-placeholder-group {
+        .empty-placeholder-list-item {
+          margin-top: .4375rem !important;
+        }
+      }
+
+      &.empty-placeholder-greeting {
+        .service-msg {
+          max-width: 232px;
+        }
+
+        .empty-placeholder-subtitle {
+          margin-top: .25rem !important;
+        }
+      }
+
+      .empty-placeholder-sticker {
+        margin-top: .75rem !important;
+        position: relative;
+        width: 200px;
+        height: 200px;
+        cursor: pointer;
+      }
+    }
+
     .time {
       display: none !important;
     }
@@ -1641,8 +1716,10 @@ $bubble-margin: .25rem;
     opacity: 0;
   }
 
-  @include respond-to(not-handhelds) {
-    max-width: 85%;
+  .bubble:not(.service) & {
+    @include respond-to(not-handhelds) {
+      max-width: 85%;
+    }
   }
 
   @include respond-to(handhelds) {
@@ -1681,6 +1758,10 @@ $bubble-margin: .25rem;
   align-self: center;
   justify-content: center;
 
+  b {
+    color: inherit;
+  }
+
   .bubble-content {
     background-color: transparent;
     border-radius: .875rem;