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local BD = require("ui/bidi")
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local ButtonDialog = require("ui/widget/buttondialog")
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local DataStorage = require("datastorage")
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local GestureRange = require("ui/gesturerange")
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local InputContainer = require("ui/widget/container/inputcontainer")
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local UIManager = require("ui/uimanager")
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local filemanagerutil = require("apps/filemanager/filemanagerutil")
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local Screen = require("device").screen
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local _ = require("gettext")
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Clarify our OOP semantics across the codebase (#9586)
Basically:
* Use `extend` for class definitions
* Use `new` for object instantiations
That includes some minor code cleanups along the way:
* Updated `Widget`'s docs to make the semantics clearer.
* Removed `should_restrict_JIT` (it's been dead code since https://github.com/koreader/android-luajit-launcher/pull/283)
* Minor refactoring of LuaSettings/LuaData/LuaDefaults/DocSettings to behave (mostly, they are instantiated via `open` instead of `new`) like everything else and handle inheritance properly (i.e., DocSettings is now a proper LuaSettings subclass).
* Default to `WidgetContainer` instead of `InputContainer` for stuff that doesn't actually setup key/gesture events.
* Ditto for explicit `*Listener` only classes, make sure they're based on `EventListener` instead of something uselessly fancier.
* Unless absolutely necessary, do not store references in class objects, ever; only values. Instead, always store references in instances, to avoid both sneaky inheritance issues, and sneaky GC pinning of stale references.
* ReaderUI: Fix one such issue with its `active_widgets` array, with critical implications, as it essentially pinned *all* of ReaderUI's modules, including their reference to the `Document` instance (i.e., that was a big-ass leak).
* Terminal: Make sure the shell is killed on plugin teardown.
* InputText: Fix Home/End/Del physical keys to behave sensibly.
* InputContainer/WidgetContainer: If necessary, compute self.dimen at paintTo time (previously, only InputContainers did, which might have had something to do with random widgets unconcerned about input using it as a baseclass instead of WidgetContainer...).
* OverlapGroup: Compute self.dimen at *init* time, because for some reason it needs to do that, but do it directly in OverlapGroup instead of going through a weird WidgetContainer method that it was the sole user of.
* ReaderCropping: Under no circumstances should a Document instance member (here, self.bbox) risk being `nil`ed!
* Kobo: Minor code cleanups.
2 years ago
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local Screenshoter = InputContainer:extend{
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prefix = "Screenshot",
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default_dir = DataStorage:getFullDataDir() .. "/screenshots",
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}
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function Screenshoter:init()
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local diagonal = math.sqrt(Screen:getWidth()^2 + Screen:getHeight()^2)
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self.ges_events = {
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TapDiagonal = {
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GestureRange:new{
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ges = "two_finger_tap",
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scale = {diagonal - Screen:scaleBySize(200), diagonal},
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rate = 1.0,
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}
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},
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SwipeDiagonal = {
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GestureRange:new{
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ges = "swipe",
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scale = {diagonal - Screen:scaleBySize(200), diagonal},
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rate = 1.0,
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}
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},
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}
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end
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function Screenshoter:getScreenshotDir()
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local screenshot_dir = G_reader_settings:readSetting("screenshot_dir")
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return screenshot_dir and screenshot_dir:gsub("/$", "") or self.default_dir
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end
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function Screenshoter:onScreenshot(screenshot_name, caller_callback)
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if not screenshot_name then
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screenshot_name = os.date(self:getScreenshotDir() .. "/" .. self.prefix .. "_%Y-%m-%d_%H%M%S.png")
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end
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Screen:shot(screenshot_name)
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local file = self.ui and self.ui.document and self.ui.document.file -- currently opened book
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local dialog
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local buttons = {
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{
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{
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text = _("Delete"),
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callback = function()
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os.remove(screenshot_name)
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dialog:onClose()
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end,
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},
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{
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text = _("Set as book cover"),
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enabled = file and true or false,
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callback = function()
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self.ui.bookinfo:setCustomCoverFromImage(file, screenshot_name)
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os.remove(screenshot_name)
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dialog:onClose()
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end,
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},
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},
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{
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{
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text = _("View"),
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callback = function()
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local ImageViewer = require("ui/widget/imageviewer")
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local image_viewer = ImageViewer:new{
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file = screenshot_name,
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modal = true,
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with_title_bar = false,
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buttons_visible = true,
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}
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UIManager:show(image_viewer)
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end,
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},
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{
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text = _("Set as screensaver"),
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callback = function()
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G_reader_settings:saveSetting("screensaver_type", "image_file")
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G_reader_settings:saveSetting("screensaver_image", screenshot_name)
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dialog:onClose()
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end,
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},
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},
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}
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dialog = ButtonDialog:new{
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title = _("Screenshot saved to:") .. "\n\n" .. BD.filepath(screenshot_name) .. "\n",
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buttons = buttons,
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tap_close_callback = function()
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if caller_callback then
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caller_callback()
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end
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local current_path = self.ui and self.ui.file_chooser and self.ui.file_chooser.path
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if current_path and current_path .. "/" == screenshot_name:match(".*/") then
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self.ui.file_chooser:refreshPath()
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end
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end,
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}
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UIManager:show(dialog)
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-- trigger full refresh
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UIManager:setDirty(nil, "full")
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return true
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end
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function Screenshoter:chooseFolder()
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local title_header = _("Current screenshot folder:")
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local current_path = G_reader_settings:readSetting("screenshot_dir")
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local default_path = self.default_dir
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local caller_callback = function(path)
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G_reader_settings:saveSetting("screenshot_dir", path)
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end
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filemanagerutil.showChooseDialog(title_header, caller_callback, current_path, default_path)
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end
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function Screenshoter:onTapDiagonal()
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return self:onScreenshot()
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end
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function Screenshoter:onSwipeDiagonal()
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return self:onScreenshot()
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end
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return Screenshoter
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