Merge custom image and cover

frontend/ui/elements/screensaver_menu.lua

@@ -31,9 +31,8 @@ return {
         text = _("Wallpaper"),
         sub_item_table = {
             genMenuItem(_("Show book cover on sleep screen"), "screensaver_type", "cover", hasLastFile),
-            genMenuItem(_("Show custom image on sleep screen"), "screensaver_type", "image_file"),
+            genMenuItem(_("Show custom image or cover on sleep screen"), "screensaver_type", "document_cover"),
             genMenuItem(_("Use random image from folder on sleep screen"), "screensaver_type", "random_image"),
-            genMenuItem(_("Show document cover on sleep screen"), "screensaver_type", "document_cover"),
             genMenuItem(_("Show reading progress on sleep screen"), "screensaver_type", "readingprogress", isReaderProgressEnabled),
             genMenuItem(_("Show book status on sleep screen"), "screensaver_type", "bookstatus", hasLastFile),
             genMenuItem(_("Leave screen as-is"), "screensaver_type", "disable", nil, true),
@@ -43,7 +42,6 @@ return {
                 enabled_func = function()
                     return G_reader_settings:readSetting("screensaver_type") == "cover"
                             or G_reader_settings:readSetting("screensaver_type") == "random_image"
-                            or G_reader_settings:readSetting("screensaver_type") == "image_file"
                             or G_reader_settings:readSetting("screensaver_type") == "document_cover"
                 end,
                 sub_item_table = {
@@ -82,19 +80,18 @@ return {
             {
                 text = _("Custom images"),
                 enabled_func = function()
-                    return G_reader_settings:readSetting("screensaver_type") == "image_file"
+                    return G_reader_settings:readSetting("screensaver_type") == "random_image"
-                            or G_reader_settings:readSetting("screensaver_type") == "random_image"
+                           or G_reader_settings:readSetting("screensaver_type") == "document_cover"
-                            or G_reader_settings:readSetting("screensaver_type") == "document_cover"
                 end,
                 sub_item_table = {
                     {
-                        text = _("Select custom image"),
+                        text = _("Select image or document cover"),
                         enabled_func = function()
-                            return G_reader_settings:readSetting("screensaver_type") == "image_file"
+                            return G_reader_settings:readSetting("screensaver_type") == "document_cover"
                         end,
                         keep_menu_open = true,
                         callback = function()
-                            Screensaver:chooseFile()
+                            Screensaver:chooseFile(true)
                         end,
                     },
                     {
@@ -107,16 +104,6 @@ return {
                             Screensaver:chooseFolder()
                         end,
                     },
-                    {
-                        text = _("Select document cover"),
-                        enabled_func = function()
-                            return G_reader_settings:readSetting("screensaver_type") == "document_cover"
-                        end,
-                        keep_menu_open = true,
-                        callback = function()
-                            Screensaver:chooseFile(true)
-                        end,
-                    },
                 },
             },
         },

frontend/ui/screensaver.lua

@@ -446,9 +446,13 @@ function Screensaver:setup(event, event_message)
         end
         if not excluded then
             if lastfile and lfs.attributes(lastfile, "mode") == "file" then
-                self.image = FileManagerBookInfo:getCoverImage(ui and ui.document, lastfile)
+                if DocumentRegistry:isImageFile(lastfile) then
-                if self.image == nil then
+                    self.image_file = lastfile
-                    self.screensaver_type = "random_image"
+                else
+                    self.image = FileManagerBookInfo:getCoverImage(ui and ui.document, lastfile)
+                    if self.image == nil then
+                        self.screensaver_type = "random_image"
+                    end
                 end
             else
                 self.screensaver_type = "random_image"
@@ -463,6 +467,7 @@ function Screensaver:setup(event, event_message)
             self.screensaver_type = "random_image"
         end
     end
+    -- NB Kept around to support old settings.
     if self.screensaver_type == "image_file" then
         self.image_file = G_reader_settings:readSetting(self.prefix .. "screensaver_image")
                        or G_reader_settings:readSetting("screensaver_image")
@@ -542,15 +547,22 @@ function Screensaver:show()
 
     -- Build the main widget for the effective mode, all the sanity checks were handled in setup
     local widget = nil
-    if self.screensaver_type == "cover" then
+    if self.screensaver_type == "cover" or self.screensaver_type == "image_file" or self.screensaver_type == "random_image" then
-        widget = ImageWidget:new{
+        local widget_settings = {
-            image = self.image,
-            image_disposable = true,
             width = Screen:getWidth(),
             height = Screen:getHeight(),
             scale_factor = G_reader_settings:isFalse("screensaver_stretch_images") and 0 or nil,
             stretch_limit_percentage = G_reader_settings:readSetting("screensaver_stretch_limit_percentage"),
         }
+        if self.image then
+            widget_settings.image = self.image
+            widget_settings.image_disposable = true
+        elseif self.image_file then
+            widget_settings.file = self.image_file
+            widget_settings.file_do_cache = false
+            widget_settings.alpha = true
+        end
+        widget = ImageWidget:new(widget_settings)
     elseif self.screensaver_type == "bookstatus" then
         local ReaderUI = require("apps/reader/readerui")
         local ui = ReaderUI.instance
@@ -564,16 +576,6 @@ function Screensaver:show()
             ui = ui,
             readonly = true,
         }
-    elseif self.screensaver_type == "random_image" or self.screensaver_type == "image_file" then
-        widget = ImageWidget:new{
-            file = self.image_file,
-            file_do_cache = false,
-            alpha = true,
-            width = Screen:getWidth(),
-            height = Screen:getHeight(),
-            scale_factor = G_reader_settings:isFalse("screensaver_stretch_images") and 0 or nil,
-            stretch_limit_percentage = G_reader_settings:readSetting("screensaver_stretch_limit_percentage"),
-        }
     elseif self.screensaver_type == "readingprogress" then
         widget = Screensaver.getReaderProgress()
     end