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@ -6,7 +6,9 @@ local Device = require("ui/device")
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local Event = require("ui/event")
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local DEBUG = require("dbg")
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local ReaderLink = InputContainer:new{}
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local ReaderLink = InputContainer:new{
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link_states = {}
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}
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function ReaderLink:init()
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if Device:isTouchDevice() then
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@ -27,6 +29,16 @@ function ReaderLink:initGesListener()
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}
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}
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},
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Swipe = {
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GestureRange:new{
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ges = "swipe",
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range = Geom:new{
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x = 0, y = 0,
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w = Screen:getWidth(),
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h = Screen:getHeight(),
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}
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}
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},
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}
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end
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end
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@ -49,22 +61,71 @@ function ReaderLink:onTap(arg, ges)
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end
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end
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end
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if self.view.links then
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local pos = self.view:screenToPageTransform(ges.pos)
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for i = 1, #self.view.links do
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local link = self.view.links[i]
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-- enlarge tappable link box
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local lbox = Geom:new{
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x = link.start_x - Screen:scaleByDPI(15),
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y = link.start_y - Screen:scaleByDPI(15),
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w = link.end_x - link.start_x + Screen:scaleByDPI(30),
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h = link.end_y - link.start_y > 0
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and link.end_y - link.start_y + Screen:scaleByDPI(30)
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or Screen:scaleByDPI(50),
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}
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if inside_box(pos, lbox) then
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DEBUG("goto link", link)
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self.document:gotoLink(link.section)
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local pos = self.view:screenToPageTransform(ges.pos)
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if self.ui.document.info.has_pages then
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local page_links = self.ui.document:getPageLinks(pos.page)
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--DEBUG("page links", page_links)
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if page_links then
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for i = 1, #page_links do
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local link = page_links[i]
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-- enlarge tappable link box
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local lbox = Geom:new{
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x = link.x0 - Screen:scaleByDPI(15),
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y = link.y0 - Screen:scaleByDPI(15),
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w = link.x1 - link.x0 + Screen:scaleByDPI(30),
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h = link.y1 - link.y0 + Screen:scaleByDPI(30)
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}
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if inside_box(pos, lbox) and link.page then
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return self:onGotoLink(link)
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end
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end
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end
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else
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if self.view.links then
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for i = 1, #self.view.links do
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local link = self.view.links[i]
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-- enlarge tappable link box
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local lbox = Geom:new{
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x = link.start_x - Screen:scaleByDPI(15),
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y = link.start_y - Screen:scaleByDPI(15),
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w = link.end_x - link.start_x + Screen:scaleByDPI(30),
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h = link.end_y - link.start_y > 0
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and link.end_y - link.start_y + Screen:scaleByDPI(30)
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or Screen:scaleByDPI(50),
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}
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if inside_box(pos, lbox) then
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return self:onGotoLink(link)
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end
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end
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end
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end
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end
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function ReaderLink:onGotoLink(link)
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DEBUG("goto link", link)
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if self.ui.document.info.has_pages then
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table.insert(self.link_states, self.view.state.page)
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self.ui:handleEvent(Event:new("PageUpdate", link.page + 1))
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else
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table.insert(self.link_states, self.ui.document:getXPointer())
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self.document:gotoLink(link.section)
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self.ui:handleEvent(Event:new("UpdateXPointer"))
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end
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return true
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end
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function ReaderLink:onSwipe(arg, ges)
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if ges.direction == "east" then
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if self.ui.document.info.has_pages then
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local last_page = table.remove(self.link_states)
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if last_page then
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self.ui:handleEvent(Event:new("PageUpdate", last_page))
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return true
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end
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else
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local last_xp = table.remove(self.link_states)
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if last_xp then
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self.ui.document:gotoXPointer(last_xp)
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self.ui:handleEvent(Event:new("UpdateXPointer"))
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return true
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end
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