midori/extensions/apps.vala
2013-10-23 20:45:02 -07:00

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Vala
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/*
Copyright (C) 2013 Christian Dywan <christian@twotoasts.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
See the file COPYING for the full license text.
*/
namespace Apps {
const string EXEC_PREFIX = PACKAGE_NAME + " -a ";
private class Launcher : GLib.Object, GLib.Initable {
internal GLib.File file;
internal string name;
internal string icon_name;
internal string exec;
internal string uri;
internal static async void create (GLib.File folder, string uri, string title) {
/* Strip LRE leading character and / */
string filename = title.delimit ("/", ' ') + ".desktop";
string exec = EXEC_PREFIX + uri;
string name = title;
// TODO: Midori.Paths.get_icon save to png
string icon_name = Midori.Stock.WEB_BROWSER;
string contents = """
[Desktop Entry]
Version=1.0
Type=Application
Name=%s
Exec=%s
TryExec=%s
Icon=%s
Categories=Network;
""".printf (name, exec, PACKAGE_NAME, icon_name);
var file = folder.get_child (filename);
try {
var stream = yield file.replace_async (null, false, GLib.FileCreateFlags.NONE);
yield stream.write_async (contents.data);
}
catch (Error error) {
// TODO GUI infobar
warning ("Failed to create new launcher: %s", error.message);
}
}
internal Launcher (GLib.File file) {
this.file = file;
}
bool init (GLib.Cancellable? cancellable) throws GLib.Error {
if (!file.get_basename ().has_suffix (".desktop"))
return false;
var keyfile = new GLib.KeyFile ();
keyfile.load_from_file (file.get_path (), GLib.KeyFileFlags.NONE);
exec = keyfile.get_string ("Desktop Entry", "Exec");
if (!exec.has_prefix (EXEC_PREFIX))
return false;
name = keyfile.get_string ("Desktop Entry", "Name");
icon_name = keyfile.get_string ("Desktop Entry", "Icon");
uri = exec.replace (EXEC_PREFIX, "");
return true;
}
}
private class Sidebar : Gtk.VBox, Midori.Viewable {
Gtk.Toolbar? toolbar = null;
Gtk.ListStore store = new Gtk.ListStore (1, typeof (Launcher));
Gtk.TreeView treeview;
Katze.Array array;
public unowned string get_stock_id () {
return Midori.Stock.WEB_BROWSER;
}
public unowned string get_label () {
return _("Applications");
}
public Gtk.Widget get_toolbar () {
if (toolbar == null) {
toolbar = new Gtk.Toolbar ();
toolbar.set_icon_size (Gtk.IconSize.BUTTON);
}
return toolbar;
}
public Sidebar (Katze.Array array) {
Gtk.TreeViewColumn column;
treeview = new Gtk.TreeView.with_model (store);
treeview.headers_visible = false;
store.set_sort_column_id (0, Gtk.SortType.ASCENDING);
store.set_sort_func (0, tree_sort_func);
column = new Gtk.TreeViewColumn ();
Gtk.CellRendererPixbuf renderer_icon = new Gtk.CellRendererPixbuf ();
column.pack_start (renderer_icon, false);
column.set_cell_data_func (renderer_icon, on_render_icon);
treeview.append_column (column);
column = new Gtk.TreeViewColumn ();
column.set_sizing (Gtk.TreeViewColumnSizing.AUTOSIZE);
Gtk.CellRendererText renderer_text = new Gtk.CellRendererText ();
column.pack_start (renderer_text, true);
column.set_expand (true);
column.set_cell_data_func (renderer_text, on_render_text);
treeview.append_column (column);
treeview.show ();
pack_start (treeview, true, true, 0);
this.array = array;
array.add_item.connect (launcher_added);
array.remove_item.connect (launcher_removed);
foreach (GLib.Object item in array.get_items ())
launcher_added (item);
}
private int tree_sort_func (Gtk.TreeModel model, Gtk.TreeIter a, Gtk.TreeIter b) {
Launcher launcher1, launcher2;
model.get (a, 0, out launcher1);
model.get (b, 0, out launcher2);
return strcmp (launcher1.name, launcher2.name);
}
void launcher_added (GLib.Object item) {
var launcher = item as Launcher;
Gtk.TreeIter iter;
store.append (out iter);
store.set (iter, 0, launcher);
}
void launcher_removed (GLib.Object item) {
// TODO remove iter
}
private void on_render_icon (Gtk.CellLayout column, Gtk.CellRenderer renderer,
Gtk.TreeModel model, Gtk.TreeIter iter) {
Launcher launcher;
model.get (iter, 0, out launcher);
if (launcher.icon_name != null)
renderer.set ("icon-name", launcher.icon_name);
else
renderer.set ("stock-id", Gtk.STOCK_FILE);
renderer.set ("stock-size", Gtk.IconSize.BUTTON,
"xpad", 4);
}
private void on_render_text (Gtk.CellLayout column, Gtk.CellRenderer renderer,
Gtk.TreeModel model, Gtk.TreeIter iter) {
Launcher launcher;
model.get (iter, 0, out launcher);
renderer.set ("markup",
Markup.printf_escaped ("<b>%s</b>\n%s",
launcher.name, launcher.uri),
"ellipsize", Pango.EllipsizeMode.END);
}
}
private class Manager : Midori.Extension {
internal Katze.Array array;
internal GLib.File app_folder;
internal GLib.FileMonitor? monitor;
internal GLib.List<Gtk.Widget> widgets;
void app_changed (GLib.File file, GLib.File? other, GLib.FileMonitorEvent event) {
try {
switch (event) {
case GLib.FileMonitorEvent.DELETED:
// TODO array.remove_item ();
break;
case GLib.FileMonitorEvent.CREATED:
var launcher = new Launcher (file);
if (launcher.init ())
array.add_item (launcher);
break;
case GLib.FileMonitorEvent.CHANGED:
// TODO
break;
}
}
catch (Error error) {
warning ("Application changed: %s", error.message);
}
}
async void populate_apps () {
var data_dir = File.new_for_path (Midori.Paths.get_user_data_dir ());
app_folder = data_dir.get_child ("applications");
try {
try {
app_folder.make_directory_with_parents (null);
}
catch (IOError folder_error) {
if (!(folder_error is IOError.EXISTS))
throw folder_error;
}
monitor = app_folder.monitor_directory (0, null);
monitor.changed.connect (app_changed);
var enumerator = yield app_folder.enumerate_children_async ("standard::name", 0);
while (true) {
var files = yield enumerator.next_files_async (10);
if (files == null)
break;
foreach (var info in files) {
var desktop_file = app_folder.get_child (info.get_name ());
try {
var launcher = new Launcher (desktop_file);
if (launcher.init ())
array.add_item (launcher);
}
catch (Error error) {
warning ("Failed to parse launcher: %s", error.message);
}
}
}
}
catch (Error io_error) {
monitor = null;
warning ("Failed to list .desktop files (%s): %s",
app_folder.get_path (), io_error.message);
}
}
void tool_menu_populated (Midori.Browser browser, Gtk.Menu menu) {
var menuitem = new Gtk.MenuItem.with_mnemonic (_("Create _Launcher"));
menuitem.show ();
menu.append (menuitem);
menuitem.activate.connect (() => {
var view = browser.tab as Midori.View;
Launcher.create.begin (app_folder,
view.get_display_uri (), view.get_display_title ());
});
}
void browser_added (Midori.Browser browser) {
var viewable = new Sidebar (array);
viewable.show ();
browser.panel.append_page (viewable);
browser.populate_tool_menu.connect (tool_menu_populated);
// TODO website context menu
widgets.append (viewable);
}
void activated (Midori.App app) {
array = new Katze.Array (typeof (Launcher));
populate_apps.begin ();
widgets = new GLib.List<Gtk.Widget> ();
foreach (var browser in app.get_browsers ())
browser_added (browser);
app.add_browser.connect (browser_added);
}
void deactivated () {
var app = get_app ();
if (monitor != null)
monitor.changed.disconnect (app_changed);
app.add_browser.disconnect (browser_added);
foreach (var widget in widgets)
widget.destroy ();
}
internal Manager () {
GLib.Object (name: _("Web App Manager"),
description: _("Manage websites installed as applications"),
version: "0.1" + Midori.VERSION_SUFFIX,
authors: "Christian Dywan <christian@twotoasts.de>");
this.activate.connect (activated);
this.deactivate.connect (deactivated);
}
}
}
public Midori.Extension extension_init () {
return new Apps.Manager ();
}