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@ -299,46 +299,60 @@ function UniReader:show(no)
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self.slot_visible = slot;
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end
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--[[
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@ pageno is the page you want to add to jump_stack
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--]]
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function UniReader:add_jump(pageno)
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local jump_item = nil
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-- add current page to jump_stack if no in
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-- move pageno page to jump_stack to jump_stack top if already in
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for _t,_v in ipairs(self.jump_stack) do
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if _v.page == pageno then
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jump_item = _v
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table.remove(self.jump_stack, _t)
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elseif _v.page == no then
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-- the page we jumped to should not be show in stack
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table.remove(self.jump_stack, _t)
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break
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end
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end
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-- create a new one if not found
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-- create a new one if page not found in stack
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if not jump_item then
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jump_item = {
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page = pageno,
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datetime = os.date("%Y-%m-%d %H:%M:%S"),
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}
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end
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-- insert at the start
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-- insert item at the start
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table.insert(self.jump_stack, 1, jump_item)
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if #self.jump_stack > 10 then
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-- remove the last element to keep the size less than 10
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table.remove(self.jump_stack)
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end
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end
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function UniReader:del_jump(pageno)
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for _t,_v in ipairs(self.jump_stack) do
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if _v.page == pageno then
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table.remove(self.jump_stack, _t)
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end
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end
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end
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-- change current page and cache next page after rendering
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function UniReader:goto(no)
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if no < 1 or no > self.doc:getPages() then
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return
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end
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-- for jump_stack
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-- for jump_stack, distinguish jump from normal page turn
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if self.pageno and math.abs(self.pageno - no) > 1 then
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-- the page we jumped to should not be shown in stack, remove it
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self:del_jump(no)
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self:add_jump(self.pageno)
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end
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self.pageno = no
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self:show(no)
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if no < self.doc:getPages() then
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if self.globalzoommode ~= self.ZOOM_BY_VALUE then
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-- pre-cache next page
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