Description: https://contest.com/docs/android-Nov2021-ru2

New scheme description: https://core.telegram.org/contest/android-2021-11-api-v2

• [x] reactions settings of channel/group
  • [x] ui
    • [ ] (?) done button is missing in design
      • [ ] (?) should I save data when I scroll to the left? — let it be NO
    • [x] add Reactions to chat/channel settings
      • [x] proper value ("8/11" or "Off")
    • [x] toggle reactions settings (ripple animation)
    • [x] list of reactions
    • [x] RTL support
  • [x] sending setChatAvailableReactions and updating cache
  • [x] BUG: save in cache reactions in proper order
• [x] showing user reactions in message dropdown
  • [x] select reaction popup
    • [x] animation of showing (sliding to right)
      • [x] TODO: fix jiggles
    • [x] right padding of bubble fix (when count of emojis is low)
    • [x] list
      • [x] TODO: show all reactions including from message (if reaction exists but not in a list of available_reactions)
      • [x] BUG: force to show first frame of reaction animation
    • [x] gradient on sides
    • [x] scaling further emojis
    • [x] (?) hover effect
    • [x] click
      • [x] send reaction
      • [x] 🔥🔥🔥 sticker animation
    • [x] ⭐: animated dots under list
    • [x] TODO: clicking on selected reaction removes it
    • [ ] (?) show selected reaction
    • [ ] BUG: loading next users can be stuck (could be an issue when reaction bots are used)
    • [x] BUG: https://t.me/c/5000848676/114
  • [x] button of opening reactions
    • [x] animation of opening list of users
  • [x] tab of reactions
    • [x] scrolling animation between tabs
      • [x] BUG: touch event out of popup causes further scrolling errors
    • [x] TODO: filter tabs buttons ripple selector
    • [ ] TODO: refresh the list after receiving update
  • [x] BUG: do not jump dropdown when need more height
  • [x] TODO: top button loading state
  • [x] BUG: do not show reactions in action cell
  • [x] BUG: width of message scrim popup can be affected by reactions menu
    • [ ] that's fine, but it should be smoother
• [x] showing user reactions on messages
  • [x] private chats
    • [x] 🔥🔥🔥 show tiny reaction
      • [x] appearing animation
      • [x] BUG: pinned icon breaks layout of tiny icons
    • [x] show multiple reactions
    • [x] click to remove reaction
      • [x] resizing time width correctly
      • [ ] disappearing animation
  • [x] group/channels
    • [x] render chips of reactions
      • [x] numbers
        • [x] changing animation
      • [x] avatars
        • [x] changing animation
      • [x] inside a message bubble
        • [x] TODO: RTL (in isOutOwner() and mediaBackground messages)
        • [x] BUG: contact button is lower than should be
        • [x] BUG: link could be lower
        • [x] BUG: messages with reactions are shown with tongue (but could be grouped)
        • [x] BUG: file messages wrong layout
      • [x] outside a message bubble
        • [x] BUG: sticker can be lower
      • [x] BUG: after static image is loaded its not shown
      • [x] 🔥🔥🔥 grouped messages mess
        • [x] estimating proper width for chips before drawing
        • [x] click listener
        • [x] getting coordinates of chips
          • [ ] BUG: double tap (find reaction coordinates when message is not last in a group)
        • [x] double tap only on first message!
    • [x] 🔥🔥🔥 TODO: show reactions only of first message in album group
    • [x] click on reaction to select
    • [x] 🔥🔥🔥 hold reaction to show list of people selected
      • [ ] dim everything except a reaction chip
    • [x] calculate proper width/height of reactions box to resize message cell
      • [x] with animation
    • [x] test reaction badges on opening video message fullscreen
  • [x] handle double click to quickly add a reaction (or remove)