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44 lines
1.0 KiB
Lua
44 lines
1.0 KiB
Lua
--- Component to handle back key (android, backspace)
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-- @module druid.back_handler
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--- Component events
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-- @table Events
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-- @tfield druid_event on_back On back handler callback
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--- Component fields
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-- @table Fields
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-- @tfield any params Params to click callbacks
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local Event = require("druid.event")
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local const = require("druid.const")
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local component = require("druid.component")
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local M = component.create("back_handler", { const.ON_INPUT })
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--- Component init function
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-- @function back_handler:init
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-- @tparam callback callback On back button
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-- @tparam[opt] params Callback argument
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function M.init(self, callback, params)
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self.params = params
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self.on_back = Event(callback)
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end
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--- Input handler for component
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-- @function back_handler:on_input
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-- @tparam string action_id on_input action id
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-- @tparam table action on_input action
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function M.on_input(self, action_id, action)
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if action_id == const.ACTION_BACK and action[const.RELEASED] then
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self.on_back:trigger(self:get_context(), self.params)
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return true
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end
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return false
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end
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return M |