169 lines
5.5 KiB
Fennel
169 lines
5.5 KiB
Fennel
(local lgi (require :lgi))
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(local inspect (require :inspect))
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(local Gtk lgi.Gtk)
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(local WebKit2 lgi.WebKit2)
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(local cache-dir (.. (os.getenv "HOME") "/.cache"))
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(local content-filter-store
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(WebKit2.UserContentFilterStore {:path cache-dir}))
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(fn event-bus []
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(let [subscriptions {}
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vivify (fn [n v]
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(or (. n v)
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(do (tset n v {}) (. n v))))]
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{
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:subscriptions subscriptions
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:subscribe (fn [self event-name handler]
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(table.insert (vivify subscriptions event-name) handler))
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:publish (fn [self event-name payload]
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(each [_ handler (pairs (. subscriptions event-name))]
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(handler payload)))
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:unsubscribe (fn [self event-name handler]
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(table.remove (. subscriptions event-name) handler))
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}))
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(fn named-image [name size]
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(Gtk.Image.new_from_icon_name
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name
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(or size Gtk.IconSize.LARGE_TOOLBAR)))
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(fn load-easylist-json [store cb]
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(print "loading easylist from json")
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(with-open [f (io.open "easylist_min_content_blocker.json" "r")]
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(let [blocks (f:read "*a")]
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(store:save "easylist"
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(lgi.GLib.Bytes blocks)
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nil
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(fn [self res]
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(cb (store:save_finish res)))))))
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(fn load-adblocks [content-manager store]
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(store:fetch_identifiers
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nil
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(fn [self res]
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(let [ids (store:fetch_identifiers_finish res)
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found (icollect [_ id (pairs ids)] (= id "easylist"))]
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(if (> (# found) 0)
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(store:load "easylist" nil
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(fn [self res]
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(content-manager:add_filter
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(store:load_finish res))))
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(load-easylist-json
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store
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(fn [filter]
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(content-manager:add_filter filter))))))))
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(let [css "
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progress, trough {
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max-height: 6px;
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color: #4444bb;
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}
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"
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style_provider (Gtk.CssProvider)]
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(style_provider:load_from_data css)
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(Gtk.StyleContext.add_provider_for_screen
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(lgi.Gdk.Screen.get_default)
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style_provider
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Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
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))
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(fn handle-webview-properties [self pspec bus]
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(match pspec.name
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"uri"
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(bus:publish :url-changed self.uri)
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"title"
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(if (> (self.title:len) 0)
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(bus:publish :title-changed self.title))
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"estimated-load-progress"
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(bus:publish :loading-progress self.estimated_load_progress)
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"is-loading"
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(bus:publish (if self.is_loading :start-loading :stop-loading))
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))
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(let [current-url "https://terse.telent.net/admin/stream"
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bus (event-bus)
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window (Gtk.Window {
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:title "Just browsing"
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:default_width 800
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:default_height 600
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:on_destroy Gtk.main_quit
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})
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container (Gtk.Box {
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:orientation Gtk.Orientation.VERTICAL
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})
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nav-bar (Gtk.Box {
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:orientation Gtk.Orientation.HORIZONTAL
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})
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progress-bar (Gtk.ProgressBar {
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:orientation Gtk.Orientation.HORIZONTAL
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:fraction 1.0
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:margin 0
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})
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url (doto (Gtk.Entry {
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:on_activate
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(fn [self]
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(bus:publish :fetch self.text))
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})
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(: :set_text current-url))
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stop (doto (Gtk.Button {
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:on_clicked #(bus:publish :stop-loading)
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})
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(: :set_image (named-image "process-stop")))
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refresh (doto (Gtk.Button {
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:on_clicked #(bus:publish :reload)
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})
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(: :set_image (named-image "view-refresh")))
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webview (WebKit2.WebView {
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:on_notify
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#(handle-webview-properties $1 $2 bus)
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})
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back (doto
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(Gtk.Button {
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:on_clicked (fn [s]
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(if (webview:can_go_back)
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(webview:go_back)))
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})
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(: :set_image (named-image "go-previous")))]
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(bus:subscribe :fetch #(webview:load_uri $1))
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(bus:subscribe :stop-loading #(webview:stop_loading))
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(bus:subscribe :reload #(webview:reload))
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(bus:subscribe :url-changed #(url:set_text $1))
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(bus:subscribe :url-changed #(print (.. "visiting " $1)))
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(bus:subscribe :title-changed #(window:set_title
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(.. $1 " - Just browsing")))
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(bus:subscribe :loading-progress #(tset progress-bar :fraction $1))
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(bus:subscribe :start-loading
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(fn [] (stop:show) (refresh:hide)))
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(bus:subscribe :stop-loading
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(fn [] (stop:hide) (refresh:show)))
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(load-adblocks webview.user_content_manager content-filter-store)
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(nav-bar:pack_start back false false 2)
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(nav-bar:pack_start url true true 2)
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(nav-bar:pack_end refresh false false 2)
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(nav-bar:pack_end stop false false 2)
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(container:pack_start nav-bar false false 5)
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(container:pack_start progress-bar false false 0)
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(container:pack_start webview true true 5)
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(webview:load_uri current-url)
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(window:add container)
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(window:show_all))
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(Gtk.main)
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