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mod_mamsub/mod_mamsub.lua @ 5645:3a5cf8d80089
mod_http_oauth2: Tweak method of centering the UI
The percentage here was relative to the viewport width, which on some
very wide screens may put the UI slightly outside of the view, requiring
scrolling to see.
By using a unit relative to the height of the viewport, this is avoided
and should work better. But no guarantees, it's still possible to resize
the browser or adjust font sizes so that the UI goes out of view.
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 31 Jul 2023 07:28:09 +0200 |
parent | 1748:0697fbef9134 |
rev | line source |
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1 -- MAM Subscriptions prototype |
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2 -- Copyright (C) 2015 Kim Alvefur |
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3 -- |
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4 -- This file is MIT/X11 licensed. |
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5 |
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6 local mt = require"util.multitable"; |
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7 local st = require"util.stanza"; |
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8 |
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9 local xmlns_mamsub = "http://prosody.im/protocol/mamsub"; |
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10 |
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11 module:add_feature(xmlns_mamsub); |
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12 |
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13 local host_sessions = prosody.hosts[module.host].sessions; |
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14 |
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15 local weak = { __mode = "k" }; |
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16 |
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17 module:hook("iq-set/self/"..xmlns_mamsub..":subscribe", function (event) |
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18 local origin, stanza = event.origin, event.stanza; |
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19 if origin.mamsub ~= nil then |
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20 origin.send(st.error_reply(stanza, "modify", "conflict")); |
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21 return true; |
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22 end |
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23 origin.mamsub = xmlns_mamsub; |
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24 local mamsub_sessions = host_sessions[origin.username].mamsub_sessions; |
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25 if not mamsub_sessions then |
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26 mamsub_sessions = setmetatable({}, weak); |
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27 host_sessions[origin.username].mamsub_sessions = mamsub_sessions; |
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28 end |
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29 mamsub_sessions[origin] = true; |
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30 origin.send(st.reply(stanza)); |
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31 return true; |
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32 end); |
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33 |
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34 module:hook("iq-set/self/"..xmlns_mamsub..":unsubscribe", function (event) |
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35 local origin, stanza = event.origin, event.stanza; |
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36 if origin.mamsub ~= xmlns_mamsub then |
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37 origin.send(st.error_reply(stanza, "modify", "conflict")); |
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38 return true; |
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39 end |
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40 origin.mamsub = nil; |
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41 local mamsub_sessions = host_sessions[origin.username].mamsub_sessions; |
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42 if mamsub_sessions then |
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43 mamsub_sessions[origin] = nil; |
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44 end |
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45 origin.send(st.reply(stanza)); |
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46 return true; |
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47 end); |
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48 |
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49 module:hook("archive-message-added", function (event) |
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50 local user_session = host_sessions[event.for_user]; |
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51 local mamsub_sessions = user_session and user_session.mamsub_sessions; |
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52 if not mamsub_sessions then return end; |
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53 |
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54 local for_broadcast = st.message():tag("mamsub", { xmlns = xmlns_mamsub }) |
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55 :tag("forwarded", { xmlns = "urn:xmpp:forward:0" }) |
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56 :add_child(event.stanza); |
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57 |
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58 for session in pairs(mamsub_sessions) do |
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59 if session.mamsub == xmlns_mamsub then |
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60 for_broadcast.attr.to = session.full_jid; |
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61 session.send(for_broadcast); |
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62 end |
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63 end |
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64 end); |