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koreader/frontend/apps/reader/modules/readerfooter.lua

152 lines
4.7 KiB
Lua
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local InputContainer = require("ui/widget/container/inputcontainer")
local CenterContainer = require("ui/widget/container/centercontainer")
local RightContainer = require("ui/widget/container/rightcontainer")
local BottomContainer = require("ui/widget/container/bottomcontainer")
local FrameContainer = require("ui/widget/container/framecontainer")
local ProgressWidget = require("ui/widget/progresswidget")
local HorizontalGroup = require("ui/widget/horizontalgroup")
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local TextWidget = require("ui/widget/textwidget")
local GestureRange = require("ui/gesturerange")
local UIManager = require("ui/uimanager")
local Device = require("ui/device")
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local Screen = require("ui/screen")
local Geom = require("ui/geometry")
local Event = require("ui/event")
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local Font = require("ui/font")
local DEBUG = require("dbg")
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local ReaderFooter = InputContainer:new{
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visible = true,
pageno = nil,
pages = nil,
progress_percentage = 0.0,
progress_text = "0 / 0",
show_time = false,
bar_width = 0.85,
text_width = 0.15,
text_font_face = "ffont",
text_font_size = 14,
height = 19,
}
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function ReaderFooter:init()
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self.progress_bar = ProgressWidget:new{
width = math.floor(Screen:getWidth()*(self.bar_width-0.02)),
height = 7,
percentage = self.progress_percentage,
}
self.progress_text = TextWidget:new{
text = self.progress_text,
face = Font:getFace(self.text_font_face, self.text_font_size),
}
local _, text_height = self.progress_text:getSize()
local horizontal_group = HorizontalGroup:new{}
local bar_container = RightContainer:new{
dimen = Geom:new{w = Screen:getWidth()*self.bar_width, h = self.height},
self.progress_bar,
}
local text_container = CenterContainer:new{
dimen = Geom:new{w = Screen:getWidth()*self.text_width, h = self.height},
self.progress_text,
}
table.insert(horizontal_group, bar_container)
table.insert(horizontal_group, text_container)
self[1] = BottomContainer:new{
dimen = Screen:getSize(),
FrameContainer:new{
horizontal_group,
background = 0,
bordersize = 0,
padding = 0,
}
}
self.dimen = self[1]:getSize()
self.pageno = self.view.state.page
self.pages = self.view.document.info.number_of_pages
self:updateFooterPage()
if Device:isTouchDevice() then
self.ges_events = {
TapFooter = {
GestureRange:new{
ges = "tap",
range = self[1]:contentRange(),
},
},
HoldFooter = {
GestureRange:new{
ges = "hold",
range = self[1]:contentRange(),
},
},
}
end
end
function ReaderFooter:updateFooterPage()
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if type(self.pageno) ~= "number" then return end
self.progress_bar.percentage = self.pageno / self.pages
if self.show_time then
self.progress_text.text = os.date("%H:%M")
else
self.progress_text.text = string.format("%d / %d", self.pageno, self.pages)
end
end
function ReaderFooter:updateFooterPos()
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if type(self.position) ~= "number" then return end
self.progress_bar.percentage = self.position / self.doc_height
if self.show_time then
self.progress_text.text = os.date("%H:%M")
else
self.progress_text.text = string.format("%1.f", self.progress_bar.percentage*100).."%"
end
end
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function ReaderFooter:onPageUpdate(pageno)
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self.pageno = pageno
self.pages = self.view.document.info.number_of_pages
self:updateFooterPage()
end
function ReaderFooter:onPosUpdate(pos)
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self.position = pos
self.doc_height = self.view.document.info.doc_height
self:updateFooterPos()
end
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function ReaderFooter:onTapFooter(arg, ges)
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if self.view.flipping_visible then
local pos = ges.pos
local dimen = self.progress_bar.dimen
local percentage = (pos.x - dimen.x)/dimen.w
self.ui:handleEvent(Event:new("GotoPercentage", percentage))
else
self.show_time = not self.show_time
end
if self.pageno then
self:updateFooterPage()
else
self:updateFooterPos()
end
UIManager:setDirty(self.view.dialog, "partial")
-- consume this tap when footer is visible
if self.view.footer_visible then
return true
end
end
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function ReaderFooter:onHoldFooter(arg, ges)
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self.ui:handleEvent(Event:new("ShowGotoDialog"))
return true
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end
function ReaderFooter:onSetStatusLine(status_line)
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self.view.footer_visible = status_line == 1 and true or false
self.ui.document:setStatusLineProp(status_line)
self.ui:handleEvent(Event:new("UpdatePos"))
end
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return ReaderFooter