@ -2,7 +2,13 @@
This is a registry for document providers
] ] --
local ButtonDialogTitle = require ( " ui/widget/buttondialogtitle " )
local ConfirmBox = require ( " ui/widget/confirmbox " )
local UIManager = require ( " ui/uimanager " )
local gettext = require ( " gettext " )
local logger = require ( " logger " )
local util = require ( " util " )
local T = require ( " ffi/util " ) . template
local DocumentRegistry = {
registry = { } ,
@ -20,11 +26,35 @@ end
--- Returns the preferred registered document handler.
-- @string file
-- @treturn string provider, or nil
-- @treturn table provider, or nil
function DocumentRegistry : getProvider ( file )
local providers = self : getProviders ( file )
if providers then
-- provider for document
local doc_settings_provider = require ( " docsettings " ) : open ( file ) : readSetting ( " provider " )
if doc_settings_provider then
for _ , provider in ipairs ( providers ) do
if provider.provider . provider == doc_settings_provider then
return provider.provider
end
end
end
-- global provider for filetype
local filename_suffix = util.getFileNameSuffix ( file )
local g_settings_provider = G_reader_settings : readSetting ( " provider " )
if g_settings_provider and g_settings_provider [ filename_suffix ] then
for _ , provider in ipairs ( providers ) do
if provider.provider . provider == g_settings_provider [ filename_suffix ] then
return provider.provider
end
end
end
-- highest weighted provider
return providers [ 1 ] . provider
end
end
@ -54,14 +84,108 @@ function DocumentRegistry:getProviders(file)
end
end
function DocumentRegistry : openDocument ( file )
--- Sets the preferred registered document handler.
-- @string file
-- @bool all
function DocumentRegistry : setProvider ( file , provider , all )
local _ , filename_suffix = util.splitFileNameSuffix ( file )
-- per-document
if not all then
local DocSettings = require ( " docsettings " ) : open ( file )
DocSettings : saveSetting ( " provider " , provider.provider )
DocSettings : flush ( )
-- global
else
local filetype_provider = G_reader_settings : readSetting ( " provider " ) or { }
filetype_provider [ filename_suffix ] = provider.provider
G_reader_settings : saveSetting ( " provider " , filetype_provider )
end
end
function DocumentRegistry : showSetProviderButtons ( file , filemanager_instance , ui , reader_ui )
local _ , filename_pure = util.splitFilePathName ( file )
local filename_suffix = util.getFileNameSuffix ( file )
local buttons = { }
local providers = self : getProviders ( file )
for _ , provider in ipairs ( providers ) do
-- we have no need for extension, mimetype, weights, etc. here
provider = provider.provider
table.insert ( buttons , {
{
text = string.format ( " ** %s ** " , provider.provider_name ) ,
} ,
} )
table.insert ( buttons , {
{
text = gettext ( " Just once " ) ,
callback = function ( )
filemanager_instance : onClose ( )
reader_ui : showReader ( file , provider )
UIManager : close ( self.set_provider_dialog )
end ,
} ,
} )
table.insert ( buttons , {
{
text = gettext ( " This document " ) ,
callback = function ( )
UIManager : show ( ConfirmBox : new {
text = T ( gettext ( " Always open '%2' with %1? " ) ,
provider.provider_name , filename_pure ) ,
ok_text = gettext ( " Always " ) ,
ok_callback = function ( )
self : setProvider ( file , provider , false )
filemanager_instance : onClose ( )
reader_ui : showReader ( file , provider )
UIManager : close ( self.set_provider_dialog )
end ,
} )
end ,
} ,
} )
table.insert ( buttons , {
{
text = gettext ( " All documents " ) ,
callback = function ( )
UIManager : show ( ConfirmBox : new {
text = T ( gettext ( " Always open %2 files with %1? " ) ,
provider.provider_name , filename_suffix ) ,
ok_text = gettext ( " Always " ) ,
ok_callback = function ( )
self : setProvider ( file , provider , true )
filemanager_instance : onClose ( )
reader_ui : showReader ( file , provider )
UIManager : close ( self.set_provider_dialog )
end ,
} )
end ,
} ,
} )
-- little trick for visual separation
table.insert ( buttons , { } )
end
self.set_provider_dialog = ButtonDialogTitle : new {
title = T ( gettext ( " Open %1 with: " ) , filename_pure ) ,
buttons = buttons ,
}
UIManager : show ( self.set_provider_dialog )
end
function DocumentRegistry : openDocument ( file , provider )
-- force a GC, so that any previous document used memory can be reused
-- immediately by this new document without having to wait for the
-- next regular gc. The second call may help reclaming more memory.
collectgarbage ( )
collectgarbage ( )
if not self.registry [ file ] then
local provider = self : getProvider ( file )
provider = provider or self : getProvider ( file )
if provider ~= nil then
local ok , doc = pcall ( provider.new , provider , { file = file } )
if ok then
Frans de Jonge
6 years ago
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