110 lines
2.3 KiB
Lua
110 lines
2.3 KiB
Lua
local RefreshTask = require("lsp.codelens.refresh_task")
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local Row = require("lsp.codelens.row")
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local util = require("util")
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local REFRESH_DEBOUNCE_MS = 200
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---@class ow.lsp.codelens.Session
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---@field buf integer
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---@field enabled boolean
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---@field attached boolean
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---@field rows table<integer, ow.lsp.codelens.Row>
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---@field current? ow.lsp.codelens.RefreshTask
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local Session = {}
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Session.__index = Session
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---@param session ow.lsp.codelens.Session
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local function do_refresh(session)
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if not session.enabled then
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return
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end
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session:abort()
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local task = RefreshTask.new(session)
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session.current = task
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task:run()
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end
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local refresher = util.keyed_debounce(do_refresh, REFRESH_DEBOUNCE_MS)
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---@param buf integer
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---@return ow.lsp.codelens.Session
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function Session.new(buf)
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return setmetatable({
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buf = buf,
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enabled = false,
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attached = false,
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rows = {},
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}, Session)
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end
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function Session:abort()
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refresher:cancel(self)
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if self.current then
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self.current:abort()
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self.current = nil
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end
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end
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function Session:refresh()
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refresher(self)
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end
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function Session:render()
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if not vim.api.nvim_buf_is_valid(self.buf) then
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return
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end
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if not self.enabled then
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Row.clear_all(self.buf)
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return
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end
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for _, row in pairs(self.rows) do
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row:render(self.buf)
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end
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Row.prune(self.buf, self.rows)
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end
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function Session:attach()
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if self.attached then
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return
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end
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self.attached = true
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vim.api.nvim_buf_attach(self.buf, false, {
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on_lines = function()
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if not self.enabled then
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self.attached = false
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return true
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end
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self:refresh()
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end,
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on_reload = function()
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if self.enabled then
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self:refresh()
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end
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end,
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on_detach = function()
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self.attached = false
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end,
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})
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end
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---@param value boolean
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function Session:enable(value)
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self.enabled = value
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if value then
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self:attach()
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self:refresh()
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else
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self:abort()
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self.rows = {}
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self:render()
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end
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end
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function Session:toggle()
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self:enable(not self.enabled)
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end
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return Session
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