152 lines
3.9 KiB
Vala
152 lines
3.9 KiB
Vala
using Gtk;
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using Gdk;
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public class Tootle.Views.Timeline : Views.Base, IAccountListener, IStreamListener {
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public string timeline { get; construct set; }
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public bool is_public { get; construct set; default = false; }
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protected InstanceAccount? account = null;
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protected int limit = 25;
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protected bool is_last_page = false;
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protected string? page_next;
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protected string? page_prev;
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protected string? stream;
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construct {
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app.refresh.connect (on_refresh);
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status_button.clicked.connect (on_refresh);
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connect_account ();
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}
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~Timeline () {
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streams.unsubscribe (stream, this);
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}
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public override string get_icon () {
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return "user-home-symbolic";
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}
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public override string get_name () {
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return _("Home");
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}
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public override void on_status_added (API.Status status) {
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prepend (status);
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}
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public virtual bool is_status_owned (API.Status status) {
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return status.is_owned ();
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}
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public void prepend (API.Status status) {
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append (status, true);
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}
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public void append (API.Status status, bool first = false) {
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GLib.Idle.add (() => {
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var w = new Widgets.Status (status);
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w.button_press_event.connect (w.open);
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if (!is_status_owned (status))
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w.avatar.button_press_event.connect (w.on_avatar_clicked);
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content.pack_start (w, false, false, 0);
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if (first || status.pinned)
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content.reorder_child (w, 0);
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on_content_changed ();
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return GLib.Source.REMOVE;
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});
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}
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public override void clear () {
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this.page_prev = null;
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this.page_next = null;
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this.is_last_page = false;
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base.clear ();
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}
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public void get_pages (string? header) {
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page_next = page_prev = null;
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if (header == null)
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return;
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var pages = header.split (",");
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foreach (var page in pages) {
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var sanitized = page
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.replace ("<","")
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.replace (">", "")
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.split (";")[0];
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if ("rel=\"prev\"" in page)
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page_prev = sanitized;
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else
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page_next = sanitized;
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}
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is_last_page = page_prev != null & page_next == null;
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}
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public virtual string get_url () {
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if (page_next != null)
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return page_next;
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return @"/api/v1/timelines/$timeline";
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}
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public virtual Request append_params (Request req) {
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return req.with_param ("limit", limit.to_string ());
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}
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public virtual bool request () {
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append_params (new Request.GET (get_url ()))
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.with_account (account)
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.then_parse_array ((node, msg) => {
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var obj = node.get_object ();
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if (obj != null) {
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var status = new API.Status (obj);
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append (status);
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}
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get_pages (msg.response_headers.get_one ("Link"));
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})
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.on_error (on_error)
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.exec ();
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return GLib.Source.REMOVE;
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}
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public virtual void on_refresh () {
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status_button.sensitive = false;
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clear ();
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status_message = STATUS_LOADING;
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GLib.Idle.add (request);
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}
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public virtual string? get_stream_url () {
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return null;
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}
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public override void on_account_changed (InstanceAccount? acc) {
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account = acc;
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streams.unsubscribe (stream, this);
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streams.subscribe (get_stream_url (), this, out stream);
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on_refresh ();
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}
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protected override bool accepts (ref string event) {
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var allowed_public = true;
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if (is_public)
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allowed_public = settings.live_updates_public;
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return settings.live_updates && allowed_public;
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}
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protected override void on_bottom_reached () {
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if (is_last_page) {
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info ("Last page reached");
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return;
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}
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request ();
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}
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}
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