File

+
−module:depends"muc";
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−
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−local hide_by_default = not module:get_option_boolean("muc_room_default_hide_media", false);
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−
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−local function should_hide_media(room)
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−	local hide_media = room._data.hide_media;
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−	if hide_media == nil then
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−		hide_media = hide_by_default;
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−	end
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−	return hide_media;
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−end
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−
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−module:hook("muc-config-form", function(event)
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−	local room, form = event.room, event.form;
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−	table.insert(form, {
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−		name = "{xmpp:prosody.im}muc#roomconfig_display_media",
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−		type = "boolean",
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−		label = "Display inline media (images, etc.)",
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−		value = not should_hide_media(room),
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−	});
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−end);
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−
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−module:hook("muc-config-submitted", function(event)
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−	local room, fields, changed = event.room, event.fields, event.changed;
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−	local new_hide_media = not fields["{xmpp:prosody.im}muc#roomconfig_display_media"];
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−	if new_hide_media ~= should_hide_media(room) then
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−		if new_hide_media == hide_by_default(room) then
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−			room._data.hide_media = nil;
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−		else
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−			room._data.hide_media = new_hide_media;
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−		end
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−		if type(changed) == "table" then
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−			changed["{xmpp:prosody.im}muc#roomconfig_display_media"] = true;
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−		else
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−			event.changed = true;
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−		end
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−	end
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−end);
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−
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−module:hook("muc-disco#info", function (event)
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−	local room, form, formdata = event.room, event.form, event.formdata;
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−
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−	local display_media = not should_hide_media(room);
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−	table.insert(form, {
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−		name = "{xmpp:prosody.im}muc#roomconfig_display_media",
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−		type = "boolean",
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−	});
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−	formdata["{xmpp:prosody.im}muc#roomconfig_display_media"] = display_media;
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−end);
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−
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−local function filter_media_tags(tag)
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−	local xmlns = tag.attr.xmlns;
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−	if xmlns == "jabber:x:oob" then
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−		return nil;
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−	elseif xmlns == "urn:xmpp:reference:0" then
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−		if tag:get_child("media-sharing", "urn:xmpp:sims:1") then
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−			return nil;
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−		end
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−	end
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−	return tag;
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−end
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−
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−module:hook("muc-occupant-groupchat", function (event)
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−	local stanza = event.stanza;
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−	if stanza.attr.type ~= "groupchat" then return; end
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−	if should_hide_media(event.room) then
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−		stanza:maptags(filter_media_tags);
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−	end
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−end, 20);