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

117 lines
4.3 KiB
Lua

local Geom = require("ui/geometry")
local IconWidget = require("ui/widget/iconwidget")
local LeftContainer = require("ui/widget/container/leftcontainer")
local WidgetContainer = require("ui/widget/container/widgetcontainer")
local Screen = require("device").screen
local ReaderFlipping = WidgetContainer:extend{
-- Icons to show during crengine partial rerendering automation
rolling_rendering_state_icons = {
PARTIALLY_RERENDERED = "cre.render.partial",
FULL_RENDERING_IN_BACKGROUND = "cre.render.working",
FULL_RENDERING_READY = "cre.render.ready",
RELOADING_DOCUMENT = "cre.render.reload",
},
}
function ReaderFlipping:init()
local icon_size = Screen:scaleBySize(32)
self.flipping_widget = IconWidget:new{
icon = "book.opened",
width = icon_size,
height = icon_size,
}
self.bookmark_flipping_widget = IconWidget:new{
icon = "bookmark",
width = icon_size,
height = icon_size,
}
self.long_hold_widget = IconWidget:new{
icon = "appbar.pokeball",
width = icon_size,
height = icon_size,
alpha = true,
}
icon_size = Screen:scaleBySize(36)
self.select_mode_widget = IconWidget:new{
icon = "texture-box",
width = icon_size,
height = icon_size,
alpha = true,
}
self[1] = LeftContainer:new{
dimen = Geom:new{w = Screen:getWidth(), h = self.flipping_widget:getSize().h},
self.flipping_widget,
}
self:resetLayout()
end
function ReaderFlipping:resetLayout()
local new_screen_width = Screen:getWidth()
if new_screen_width == self._last_screen_width then return end
self._last_screen_width = new_screen_width
self[1].dimen.w = new_screen_width
end
function ReaderFlipping:getRollingRenderingStateIconWidget()
if not self.rolling_rendering_state_widgets then
self.rolling_rendering_state_widgets = {}
end
local widget = self.rolling_rendering_state_widgets[self.ui.rolling.rendering_state]
if widget == nil then -- not met yet
local icon_size = Screen:scaleBySize(32)
for k, v in pairs(self.ui.rolling.RENDERING_STATE) do -- known states
if v == self.ui.rolling.rendering_state then -- current state
local icon = self.rolling_rendering_state_icons[k] -- our icon (or none) for this state
if icon then
self.rolling_rendering_state_widgets[v] = IconWidget:new{
icon = icon,
width = icon_size,
height = icon_size,
alpha = not self.ui.rolling.cre_top_bar_enabled,
-- if top status bar enabled, have them opaque, as they
-- will be displayed over the bar
-- otherwise, keep their alpha so some bits of text is
-- visible if displayed over the text when small margins
}
else
self.rolling_rendering_state_widgets[v] = false
end
break
end
end
widget = self.rolling_rendering_state_widgets[self.ui.rolling.rendering_state]
end
return widget or nil -- return nil if cached widget is false
end
function ReaderFlipping:onSetStatusLine()
-- Reset these widgets: we want new ones with proper alpha/opaque
self.rolling_rendering_state_widgets = nil
end
function ReaderFlipping:paintTo(bb, x, y)
local widget
if self.ui.paging and self.view.flipping_visible then
-- pdf page flipping or bookmark browsing mode
widget = self.ui.paging.bookmark_flipping_mode and self.bookmark_flipping_widget or self.flipping_widget
elseif self.ui.highlight.select_mode then
-- highlight select mode
widget = self.select_mode_widget
elseif self.ui.highlight.long_hold_reached then
widget = self.long_hold_widget
elseif self.ui.rolling and self.ui.rolling.rendering_state then
-- epub rerendering
widget = self:getRollingRenderingStateIconWidget()
end
if widget then
if self[1][1] ~= widget then
self[1][1] = widget
end
WidgetContainer.paintTo(self, bb, x, y)
end
end
return ReaderFlipping