gtk4/auto/
uri_launcher.rs1use crate::{ffi, Window};
6use glib::{
7 prelude::*,
8 signal::{connect_raw, SignalHandlerId},
9 translate::*,
10};
11use std::{boxed::Box as Box_, pin::Pin};
12
13glib::wrapper! {
14 #[doc(alias = "GtkUriLauncher")]
15 pub struct UriLauncher(Object<ffi::GtkUriLauncher, ffi::GtkUriLauncherClass>);
16
17 match fn {
18 type_ => || ffi::gtk_uri_launcher_get_type(),
19 }
20}
21
22impl UriLauncher {
23 #[doc(alias = "gtk_uri_launcher_new")]
24 pub fn new(uri: &str) -> UriLauncher {
25 assert_initialized_main_thread!();
26 unsafe { from_glib_full(ffi::gtk_uri_launcher_new(uri.to_glib_none().0)) }
27 }
28
29 pub fn builder() -> UriLauncherBuilder {
34 UriLauncherBuilder::new()
35 }
36
37 #[cfg(feature = "v4_20")]
38 #[cfg_attr(docsrs, doc(cfg(feature = "v4_20")))]
39 #[doc(alias = "gtk_uri_launcher_can_launch")]
40 pub fn can_launch(&self, parent: Option<&impl IsA<Window>>) -> bool {
41 unsafe {
42 from_glib(ffi::gtk_uri_launcher_can_launch(
43 self.to_glib_none().0,
44 parent.map(|p| p.as_ref()).to_glib_none().0,
45 ))
46 }
47 }
48
49 #[doc(alias = "gtk_uri_launcher_get_uri")]
50 #[doc(alias = "get_uri")]
51 pub fn uri(&self) -> Option<glib::GString> {
52 unsafe { from_glib_none(ffi::gtk_uri_launcher_get_uri(self.to_glib_none().0)) }
53 }
54
55 #[doc(alias = "gtk_uri_launcher_launch")]
56 pub fn launch<P: FnOnce(Result<(), glib::Error>) + 'static>(
57 &self,
58 parent: Option<&impl IsA<Window>>,
59 cancellable: Option<&impl IsA<gio::Cancellable>>,
60 callback: P,
61 ) {
62 let main_context = glib::MainContext::ref_thread_default();
63 let is_main_context_owner = main_context.is_owner();
64 let has_acquired_main_context = (!is_main_context_owner)
65 .then(|| main_context.acquire().ok())
66 .flatten();
67 assert!(
68 is_main_context_owner || has_acquired_main_context.is_some(),
69 "Async operations only allowed if the thread is owning the MainContext"
70 );
71
72 let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
73 Box_::new(glib::thread_guard::ThreadGuard::new(callback));
74 unsafe extern "C" fn launch_trampoline<P: FnOnce(Result<(), glib::Error>) + 'static>(
75 _source_object: *mut glib::gobject_ffi::GObject,
76 res: *mut gio::ffi::GAsyncResult,
77 user_data: glib::ffi::gpointer,
78 ) {
79 let mut error = std::ptr::null_mut();
80 ffi::gtk_uri_launcher_launch_finish(_source_object as *mut _, res, &mut error);
81 let result = if error.is_null() {
82 Ok(())
83 } else {
84 Err(from_glib_full(error))
85 };
86 let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
87 Box_::from_raw(user_data as *mut _);
88 let callback: P = callback.into_inner();
89 callback(result);
90 }
91 let callback = launch_trampoline::<P>;
92 unsafe {
93 ffi::gtk_uri_launcher_launch(
94 self.to_glib_none().0,
95 parent.map(|p| p.as_ref()).to_glib_none().0,
96 cancellable.map(|p| p.as_ref()).to_glib_none().0,
97 Some(callback),
98 Box_::into_raw(user_data) as *mut _,
99 );
100 }
101 }
102
103 pub fn launch_future(
104 &self,
105 parent: Option<&(impl IsA<Window> + Clone + 'static)>,
106 ) -> Pin<Box_<dyn std::future::Future<Output = Result<(), glib::Error>> + 'static>> {
107 let parent = parent.map(ToOwned::to_owned);
108 Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
109 obj.launch(
110 parent.as_ref().map(::std::borrow::Borrow::borrow),
111 Some(cancellable),
112 move |res| {
113 send.resolve(res);
114 },
115 );
116 }))
117 }
118
119 #[doc(alias = "gtk_uri_launcher_set_uri")]
120 #[doc(alias = "uri")]
121 pub fn set_uri(&self, uri: Option<&str>) {
122 unsafe {
123 ffi::gtk_uri_launcher_set_uri(self.to_glib_none().0, uri.to_glib_none().0);
124 }
125 }
126
127 #[cfg(feature = "v4_10")]
128 #[cfg_attr(docsrs, doc(cfg(feature = "v4_10")))]
129 #[doc(alias = "uri")]
130 pub fn connect_uri_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
131 unsafe extern "C" fn notify_uri_trampoline<F: Fn(&UriLauncher) + 'static>(
132 this: *mut ffi::GtkUriLauncher,
133 _param_spec: glib::ffi::gpointer,
134 f: glib::ffi::gpointer,
135 ) {
136 let f: &F = &*(f as *const F);
137 f(&from_glib_borrow(this))
138 }
139 unsafe {
140 let f: Box_<F> = Box_::new(f);
141 connect_raw(
142 self.as_ptr() as *mut _,
143 c"notify::uri".as_ptr() as *const _,
144 Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
145 notify_uri_trampoline::<F> as *const (),
146 )),
147 Box_::into_raw(f),
148 )
149 }
150 }
151}
152
153#[cfg(feature = "v4_10")]
154#[cfg_attr(docsrs, doc(cfg(feature = "v4_10")))]
155impl Default for UriLauncher {
156 fn default() -> Self {
157 glib::object::Object::new::<Self>()
158 }
159}
160
161#[must_use = "The builder must be built to be used"]
166pub struct UriLauncherBuilder {
167 builder: glib::object::ObjectBuilder<'static, UriLauncher>,
168}
169
170impl UriLauncherBuilder {
171 fn new() -> Self {
172 Self {
173 builder: glib::object::Object::builder(),
174 }
175 }
176
177 #[cfg(feature = "v4_10")]
178 #[cfg_attr(docsrs, doc(cfg(feature = "v4_10")))]
179 pub fn uri(self, uri: impl Into<glib::GString>) -> Self {
180 Self {
181 builder: self.builder.property("uri", uri.into()),
182 }
183 }
184
185 #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
188 pub fn build(self) -> UriLauncher {
189 assert_initialized_main_thread!();
190 self.builder.build()
191 }
192}