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/* Copyright 2015 Marvin Beckers <beckersmarvin@gmail.com>
*
* This program is free software: you can redistribute it
* and/or modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see http://www.gnu.org/licenses/.
*/
public class AppCenter.MainWindow : Gtk.ApplicationWindow {
public bool working {
set {
if (value) {
spinner.start ();
} else {
spinner.stop ();
}
}
}
private Gtk.Revealer view_mode_revealer;
private Gtk.Stack custom_title_stack;
private Gtk.Label homepage_header;
private Granite.Widgets.ModeButton view_mode;
private Gtk.HeaderBar headerbar;
private Gtk.Stack stack;
private Gtk.SearchEntry search_entry;
private Gtk.Spinner spinner;
private Homepage homepage;
private Views.SearchView search_view;
private Gtk.Button return_button;
private ulong task_finished_connection = 0U;
private Gee.LinkedList<string> return_button_history;
private Granite.Widgets.AlertView network_alert_view;
private Gtk.Grid network_view;
private int homepage_view_id;
private int installed_view_id;
private const int VALID_QUERY_LENGTH = 3;
public static Views.InstalledView installed_view { get; private set; }
public signal void homepage_loaded ();
public MainWindow (Gtk.Application app) {
Object (application: app);
weak Gtk.IconTheme default_theme = Gtk.IconTheme.get_default ();
default_theme.add_resource_path ("/io/elementary/appcenter/icons");
unowned Settings saved_state = Settings.get_default ();
set_default_size (saved_state.window_width, saved_state.window_height);
// Maximize window if necessary
switch (saved_state.window_state) {
case Settings.WindowState.MAXIMIZED:
this.maximize ();
break;
default:
break;
}
view_mode.selected = homepage_view_id;
search_entry.grab_focus_without_selecting ();
var go_back = new SimpleAction ("go-back", null);
go_back.activate.connect (view_return);
add_action (go_back);
app.set_accels_for_action ("win.go-back", {"<Alt>Left"});
search_entry.search_changed.connect (() => trigger_search ());
view_mode.notify["selected"].connect (on_view_mode_changed);
search_entry.key_press_event.connect ((event) => {
if (event.keyval == Gdk.Key.Escape) {
search_entry.text = "";
return true;
}
return false;
});
return_button.clicked.connect (view_return);
installed_view.get_apps.begin ();
homepage.subview_entered.connect (view_opened);
installed_view.subview_entered.connect (view_opened);
search_view.subview_entered.connect (view_opened);
NetworkMonitor.get_default ().network_changed.connect (on_view_mode_changed);
network_alert_view.action_activated.connect (() => {
try {
AppInfo.launch_default_for_uri ("settings://network", null);
} catch (Error e) {
warning (e.message);
}
});
unowned AppCenterCore.Client client = AppCenterCore.Client.get_default ();
client.notify["task-count"].connect (() => {
working = client.task_count > 0;
});
show.connect (on_view_mode_changed);
}
construct {
icon_name = "system-software-install";
set_size_request (910, 640);
title = _("AppCenter");
window_position = Gtk.WindowPosition.CENTER;
return_button = new Gtk.Button ();
return_button.no_show_all = true;
return_button.get_style_context ().add_class ("back-button");
return_button_history = new Gee.LinkedList<string> ();
view_mode = new Granite.Widgets.ModeButton ();
view_mode.margin = 1;
homepage_view_id = view_mode.append_text (_("Home"));
installed_view_id = view_mode.append_text (C_("view", "Updates"));
view_mode_revealer = new Gtk.Revealer ();
view_mode_revealer.reveal_child = true;
view_mode_revealer.transition_type = Gtk.RevealerTransitionType.CROSSFADE;
view_mode_revealer.add (view_mode);
homepage_header = new Gtk.Label (null);
homepage_header.get_style_context ().add_class (Gtk.STYLE_CLASS_TITLE);
custom_title_stack = new Gtk.Stack ();
custom_title_stack.add (view_mode_revealer);
custom_title_stack.add (homepage_header);
custom_title_stack.set_visible_child (view_mode_revealer);
search_entry = new Gtk.SearchEntry ();
search_entry.placeholder_text = _("Search Apps");
spinner = new Gtk.Spinner ();
/* HeaderBar */
headerbar = new Gtk.HeaderBar ();
headerbar.show_close_button = true;
headerbar.set_custom_title (custom_title_stack);
headerbar.pack_start (return_button);
headerbar.pack_end (search_entry);
headerbar.pack_end (spinner);
set_titlebar (headerbar);
homepage = new Homepage (this);
installed_view = new Views.InstalledView ();
search_view = new Views.SearchView ();
network_alert_view = new Granite.Widgets.AlertView (_("Network Is Not Available"),
_("Connect to the Internet to install or update apps."),
"network-error");
network_alert_view.get_style_context ().remove_class (Gtk.STYLE_CLASS_VIEW);
network_alert_view.show_action (_("Network Settings…"));
network_view = new Gtk.Grid ();
network_view.margin = 24;
network_view.attach (network_alert_view, 0, 0, 1, 1);
stack = new Gtk.Stack ();
stack.transition_type = Gtk.StackTransitionType.SLIDE_LEFT_RIGHT;
stack.add (homepage);
stack.add (installed_view);
stack.add (search_view);
stack.add (network_view);
add (stack);
}
public override bool delete_event (Gdk.EventAny event) {
int window_width;
int window_height;
get_size (out window_width, out window_height);
unowned Settings saved_state = Settings.get_default ();
saved_state.window_width = window_width;
saved_state.window_height = window_height;
if (is_maximized) {
saved_state.window_state = Settings.WindowState.MAXIMIZED;
} else {
saved_state.window_state = Settings.WindowState.NORMAL;
}
unowned AppCenterCore.Client client = AppCenterCore.Client.get_default ();
if (client.has_tasks ()) {
if (task_finished_connection != 0U) {
client.disconnect (task_finished_connection);
}
hide ();
task_finished_connection = client.notify["task-count"].connect (() => {
if (!visible && client.task_count == 0) {
destroy ();
}
});
client.cancel_updates (false); //Timeouts keep running
return true;
}
return false;
}
public void show_package (AppCenterCore.Package package) {
search ("");
return_button_history.clear ();
view_mode.selected = homepage_view_id;
stack.visible_child = homepage;
homepage.show_package (package);
}
public void go_to_installed () {
view_mode.selected = installed_view_id;
}
public void search (string term) {
search_entry.text = term;
}
private void trigger_search () {
unowned string query = search_entry.text;
uint query_length = query.length;
bool query_valid = query_length >= VALID_QUERY_LENGTH;
view_mode_revealer.reveal_child = !query_valid;
if (query_valid) {
search_view.search (query, homepage.currently_viewed_category);
stack.visible_child = search_view;
} else {
if (stack.visible_child == search_view && homepage.currently_viewed_category != null) {
return_button_history.poll_head ();
return_button.label = return_button_history.peek_head ();
}
search_view.reset ();
stack.visible_child = homepage;
}
}
private void view_opened (string? return_name, bool allow_search, string? custom_header = null, string? custom_search_placeholder = null) {
if (return_name != null) {
if (return_button_history.peek_head () != return_name) {
return_button_history.offer_head (return_name);
}
return_button.label = return_name;
return_button.no_show_all = false;
return_button.visible = true;
} else {
return_button.no_show_all = true;
return_button.visible = false;
}
if (custom_header != null) {
homepage_header.label = custom_header;
custom_title_stack.visible_child = homepage_header;
} else {
custom_title_stack.visible_child = view_mode_revealer;
}
if (custom_search_placeholder != null) {
search_entry.placeholder_text = custom_search_placeholder;
} else {
search_entry.placeholder_text = _("Search Apps");
}
search_entry.sensitive = allow_search;
search_entry.grab_focus_without_selecting ();
}
private void view_return () {
if (stack.visible_child == search_view && !search_view.viewing_package && homepage.currently_viewed_category != null) {
homepage.return_clicked ();
return_button_history.clear ();
return_button.no_show_all = true;
return_button.visible = false;
}
return_button_history.poll_head ();
if (!return_button_history.is_empty) {
return_button.label = return_button_history.peek_head ();
return_button.no_show_all = false;
return_button.visible = true;
} else {
return_button.no_show_all = true;
return_button.visible = false;
}
View view = (View) stack.visible_child;
view.return_clicked ();
}
private void on_view_mode_changed () {
var connection_available = NetworkMonitor.get_default ().get_network_available ();
if (connection_available) {
if (search_entry.text.length >= VALID_QUERY_LENGTH) {
stack.visible_child = search_view;
search_entry.sensitive = !search_view.viewing_package;
} else {
if (view_mode.selected == homepage_view_id) {
stack.visible_child = homepage;
search_entry.sensitive = !homepage.viewing_package;
} else if (view_mode.selected == installed_view_id) {
stack.visible_child = installed_view;
search_entry.sensitive = false;
}
}
} else {
stack.visible_child = network_view;
search_entry.sensitive = false;
}
custom_title_stack.sensitive = connection_available;
return_button.sensitive = connection_available;
}
}
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