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utils: Reorganize by creating submodules

Browse source 
Improve the docs.

Part-of: <https://gitlab.gnome.org/GNOME/fractal/-/merge_requests/1173>
This commit is contained in:
Kévin Commaille 2022-10-03 11:44:24 +02:00 committed by Marge Bot
parent 49d31bfff4
commit 7706441ee8
18 changed files with 599 additions and 566 deletions
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2
po/POTFILES.in
View file

@ -89,5 +89,5 @@ src/session/sidebar/category_type.rs
src/session/sidebar/entry_type.rs
src/session/verification/identity_verification.rs
src/user_facing_error.rs
src/utils.rs
src/utils/media.rs
src/window.rs

1
po/POTFILES.skip
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@ -1,3 +1,4 @@
# These are files that we don't want to translate
# Please keep this file sorted alphabetically.
src/i18n.rs
src/utils/macros.rs

2
src/components/password_entry_row.rs
View file

@ -7,7 +7,7 @@ use gtk::{
};
use super::{ActionButton, ActionState};
use crate::utils::TemplateCallbacks;
use crate::utils::template_callbacks::TemplateCallbacks;
mod imp {
use std::cell::RefCell;

2
src/session/account_settings/user_page/mod.rs
View file

@ -20,7 +20,7 @@ use crate::{
components::{ActionButton, ActionState, ButtonRow, EditableAvatar},
session::{Session, User, UserExt},
spawn, spawn_tokio, toast,
utils::TemplateCallbacks,
utils::template_callbacks::TemplateCallbacks,
};
mod imp {

2
src/session/content/room_details/invite_subpage/invitee_row.rs
View file

@ -10,7 +10,7 @@ mod imp {
use once_cell::sync::Lazy;
use super::*;
use crate::utils::TemplateCallbacks;
use crate::utils::template_callbacks::TemplateCallbacks;
#[derive(Debug, Default, CompositeTemplate)]
#[template(resource = "/org/gnome/Fractal/content-invitee-row.ui")]

4
src/session/content/room_history/message_row/audio.rs
View file

@ -9,7 +9,9 @@ use log::warn;
use matrix_sdk::{media::MediaEventContent, ruma::events::room::message::AudioMessageEventContent};
use super::{media::MediaState, ContentFormat};
use crate::{components::AudioPlayer, session::Session, spawn, spawn_tokio, utils::media_type_uid};
use crate::{
components::AudioPlayer, session::Session, spawn, spawn_tokio, utils::media::media_type_uid,
};
mod imp {
use std::cell::{Cell, RefCell};

2
src/session/content/room_history/message_row/content.rs
View file

@ -11,7 +11,7 @@ use super::{
audio::MessageAudio, file::MessageFile, location::MessageLocation, media::MessageMedia,
reply::MessageReply, text::MessageText,
};
use crate::{prelude::*, session::room::SupportedEvent, spawn, utils::filename_for_mime};
use crate::{prelude::*, session::room::SupportedEvent, spawn, utils::media::filename_for_mime};
#[derive(Debug, Hash, Eq, PartialEq, Clone, Copy, glib::Enum)]
#[repr(i32)]

2
src/session/content/room_history/message_row/media.rs
View file

@ -23,7 +23,7 @@ use crate::{
components::VideoPlayer,
session::Session,
spawn, spawn_tokio,
utils::{cache_dir, media_type_uid, uint_to_i32},
utils::{cache_dir, media::media_type_uid, uint_to_i32},
};
const MAX_THUMBNAIL_WIDTH: i32 = 600;

2
src/session/content/room_history/message_row/text.rs
View file

@ -295,7 +295,7 @@ fn create_widget_for_html_block(
let buffer = sourceview::Buffer::new(None);
buffer.set_highlight_matching_brackets(false);
buffer.set_text(s);
crate::utils::setup_style_scheme(&buffer);
crate::utils::sourceview::setup_style_scheme(&buffer);
let view = sourceview::View::with_buffer(&buffer);
view.set_editable(false);
view.add_css_class("codeview");

4
src/session/content/room_history/mod.rs
View file

@ -52,7 +52,7 @@ use crate::{
user::UserExt,
},
spawn, spawn_tokio, toast,
utils::{filename_for_mime, TemplateCallbacks},
utils::{media::filename_for_mime, template_callbacks::TemplateCallbacks},
};
#[derive(Debug, Hash, Eq, PartialEq, Clone, Copy, glib::Enum)]
@ -446,7 +446,7 @@ mod imp {
let (start_iter, end_iter) = buffer.bounds();
obj.action_set_enabled("room-history.send-text-message", start_iter != end_iter);
}));
crate::utils::setup_style_scheme(&buffer);
crate::utils::sourceview::setup_style_scheme(&buffer);
let (start_iter, end_iter) = buffer.bounds();
obj.action_set_enabled("room-history.send-text-message", start_iter != end_iter);

2
src/session/event_source_dialog.rs
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@ -84,7 +84,7 @@ mod imp {
let json_lang = sourceview::LanguageManager::default().language("json");
buffer.set_language(json_lang.as_ref());
crate::utils::setup_style_scheme(&buffer);
crate::utils::sourceview::setup_style_scheme(&buffer);
self.parent_constructed(obj);
}

2
src/session/room/event/supported_event.rs
View file

@ -28,7 +28,7 @@ use crate::{
Member, ReactionList, Room, UnsupportedEvent,
},
spawn, spawn_tokio,
utils::{filename_for_mime, media_type_uid},
utils::media::{filename_for_mime, media_type_uid},
};
#[derive(Clone, Debug, glib::Boxed)]

554
src/utils.rs
View file

@ -1,554 +0,0 @@
/// Spawn a future on the default `MainContext`
///
/// This was taken from `gtk-macros`
/// but allows setting optionally the priority
///
/// FIXME: this should maybe be upstreamed
#[macro_export]
macro_rules! spawn {
($future:expr) => {
let ctx = glib::MainContext::default();
ctx.spawn_local($future);
};
($priority:expr, $future:expr) => {
let ctx = glib::MainContext::default();
ctx.spawn_local_with_priority($priority, $future);
};
}
/// Spawn a future on the tokio runtime
#[macro_export]
macro_rules! spawn_tokio {
($future:expr) => {
$crate::RUNTIME.spawn($future)
};
}
/// Show a toast with the given message on the ancestor window of `widget`.
///
/// The simplest way to use this macros is for displaying a simple message. It
/// can be anything that implements `AsRef<str>`.
///
/// ```ignore
/// toast!(widget, gettext("Something happened"));
/// ```
///
/// This macro also supports replacing named variables with their value. It
/// supports both the `var` and the `var = expr` syntax. In this case the
/// message and the variables must be `String`s.
///
/// ```ignore
/// toast!(
/// widget,
/// gettext("Error number {n}: {msg}"),
/// n = error_nb.to_string(),
/// msg,
/// );
/// ```
///
/// To add `Pill`s to the toast, you can precede a [`Room`] or [`User`] with
/// `@`.
///
/// ```ignore
/// let room = Room::new(session, room_id);
/// let member = Member::new(room, user_id);
///
/// toast!(
/// widget,
/// gettext("Could not contact {user} in {room}",
/// @user = member,
/// @room,
/// );
/// ```
///
/// For this macro to work, the ancestor window be a [`Window`](crate::Window)
/// or an [`adw::PreferencesWindow`].
///
/// [`Room`]: crate::session::room::Room
/// [`User`]: crate::session::user::User
#[macro_export]
macro_rules! toast {
($widget:expr, $message:expr) => {
{
$crate::_add_toast!($widget, adw::Toast::new($message.as_ref()));
}
};
($widget:expr, $message:expr, $($tail:tt)+) => {
{
let (string_vars, pill_vars) = $crate::_toast_accum!([], [], $($tail)+);
let string_dict: Vec<_> = string_vars
.iter()
.map(|(key, val): &(&str, String)| (key.as_ref(), val.as_ref()))
.collect();
let message = $crate::utils::freplace($message.into(), &*string_dict);
let toast = if pill_vars.is_empty() {
adw::Toast::new($message.as_ref())
} else {
let pill_vars = std::collections::HashMap::<&str, $crate::components::Pill>::from(pill_vars);
let mut swapped_label = String::new();
let mut widgets = Vec::with_capacity(pill_vars.len());
let mut last_end = 0;
let mut matches = pill_vars
.keys()
.map(|key: &&str| {
message
.match_indices(&format!("{{{key}}}"))
.map(|(start, _)| (start, key))
.collect::<Vec<_>>()
})
.flatten()
.collect::<Vec<_>>();
matches.sort_unstable();
for (start, key) in matches {
swapped_label.push_str(&message[last_end..start]);
swapped_label.push_str($crate::components::DEFAULT_PLACEHOLDER);
last_end = start + key.len() + 2;
widgets.push(pill_vars.get(key).unwrap().clone())
}
swapped_label.push_str(&message[last_end..message.len()]);
let widget = $crate::components::LabelWithWidgets::with_label_and_widgets(
&swapped_label,
widgets,
);
adw::Toast::builder()
.custom_title(&widget)
.build()
};
$crate::_add_toast!($widget, toast);
}
};
}
#[doc(hidden)]
#[macro_export]
macro_rules! _toast_accum {
([$($string_vars:tt)*], [$($pill_vars:tt)*], $var:ident, $($tail:tt)*) => {
$crate::_toast_accum!([$($string_vars)* (stringify!($var), $var),], [$($pill_vars)*], $($tail)*)
};
([$($string_vars:tt)*], [$($pill_vars:tt)*], $var:ident = $val:expr, $($tail:tt)*) => {
$crate::_toast_accum!([$($string_vars)* (stringify!($var), $val),], [$($pill_vars)*], $($tail)*)
};
([$($string_vars:tt)*], [$($pill_vars:tt)*], @$var:ident, $($tail:tt)*) => {
{
let pill: $crate::components::Pill = $var.to_pill();
$crate::_toast_accum!([$($string_vars)*], [$($pill_vars)* (stringify!($var), pill),], $($tail)*)
}
};
([$($string_vars:tt)*], [$($pill_vars:tt)*], @$var:ident = $val:expr, $($tail:tt)*) => {
{
let pill: $crate::components::Pill = $val.to_pill();
$crate::_toast_accum!([$($string_vars)*], [$($pill_vars)* (stringify!($var), pill),], $($tail)*)
}
};
([$($string_vars:tt)*], [$($pill_vars:tt)*],) => { ([$($string_vars)*], [$($pill_vars)*]) };
}
#[doc(hidden)]
#[macro_export]
macro_rules! _add_toast {
($widget:expr, $toast:expr) => {{
use gtk::prelude::WidgetExt;
if let Some(root) = $widget.root() {
if let Some(window) = root.downcast_ref::<$crate::Window>() {
window.add_toast($toast.as_ref());
} else if let Some(window) = root.downcast_ref::<adw::PreferencesWindow>() {
use adw::prelude::PreferencesWindowExt;
window.add_toast($toast.as_ref());
} else {
panic!("Trying to display a toast when the parent doesn't support it");
}
}
}};
}
use std::{collections::HashMap, convert::TryInto, path::PathBuf, str::FromStr};
use gettextrs::gettext;
use gtk::{
gio::{self, prelude::*},
glib::{self, closure, Object},
};
use matrix_sdk::ruma::{
events::room::MediaSource, exports::percent_encoding::percent_decode_str, matrix_uri::MatrixId,
serde::urlencoded, EventId, IdParseError, MatrixIdError, MatrixToError, OwnedEventId,
OwnedServerName, OwnedTransactionId, RoomAliasId, RoomId, ServerName, TransactionId, UInt,
UserId,
};
use mime::Mime;
use once_cell::sync::Lazy;
use regex::Regex;
use sourceview::prelude::*;
// Returns an expression that is the and’ed result of the given boolean
// expressions.
#[allow(dead_code)]
pub fn and_expr<E: AsRef<gtk::Expression>>(a_expr: E, b_expr: E) -> gtk::ClosureExpression {
gtk::ClosureExpression::new::<bool, _, _>(
&[a_expr, b_expr],
closure!(|_: Option<Object>, a: bool, b: bool| { a && b }),
)
}
// Returns an expression that is the or’ed result of the given boolean
// expressions.
pub fn or_expr<E: AsRef<gtk::Expression>>(a_expr: E, b_expr: E) -> gtk::ClosureExpression {
gtk::ClosureExpression::new::<bool, _, _>(
&[a_expr, b_expr],
closure!(|_: Option<Object>, a: bool, b: bool| { a || b }),
)
}
// Returns an expression that is the inverted result of the given boolean
// expressions.
#[allow(dead_code)]
pub fn not_expr<E: AsRef<gtk::Expression>>(a_expr: E) -> gtk::ClosureExpression {
gtk::ClosureExpression::new::<bool, _, _>(
&[a_expr],
closure!(|_: Option<Object>, a: bool| { !a }),
)
}
pub fn cache_dir() -> PathBuf {
let mut path = glib::user_cache_dir();
path.push("fractal");
if !path.exists() {
let dir = gio::File::for_path(path.clone());
dir.make_directory_with_parents(gio::Cancellable::NONE)
.unwrap();
}
path
}
/// Converts a `UInt` to `i32`.
///
/// Returns `-1` if the conversion didn't work.
pub fn uint_to_i32(u: Option<UInt>) -> i32 {
u.and_then(|ui| {
let u: Option<u16> = ui.try_into().ok();
u
})
.map(|u| {
let i: i32 = u.into();
i
})
.unwrap_or(-1)
}
pub fn setup_style_scheme(buffer: &sourceview::Buffer) {
let manager = adw::StyleManager::default();
buffer.set_style_scheme(style_scheme().as_ref());
manager.connect_dark_notify(glib::clone!(@weak buffer => move |_| {
buffer.set_style_scheme(style_scheme().as_ref());
}));
}
pub fn style_scheme() -> Option<sourceview::StyleScheme> {
let manager = adw::StyleManager::default();
let scheme_name = if manager.is_dark() {
"Adwaita-dark"
} else {
"Adwaita"
};
sourceview::StyleSchemeManager::default().scheme(scheme_name)
}
/// Get the unique id of the given `MediaSource`.
///
/// It is built from the underlying `MxcUri` and can be safely used in a
/// filename.
///
/// The id is not guaranteed to be unique for malformed `MxcUri`s.
pub fn media_type_uid(media_type: Option<MediaSource>) -> String {
if let Some(mxc) = media_type
.map(|media_type| match media_type {
MediaSource::Plain(uri) => uri,
MediaSource::Encrypted(file) => file.url,
})
.filter(|mxc| mxc.is_valid())
{
format!("{}_{}", mxc.server_name().unwrap(), mxc.media_id().unwrap())
} else {
"media_uid".to_owned()
}
}
/// Get a default filename for a mime type.
///
/// Tries to guess the file extension, but it might not find it.
///
/// If the mime type is unknown, it uses the name for `fallback`. The fallback
/// mime types that are recognized are `mime::IMAGE`, `mime::VIDEO`
/// and `mime::AUDIO`, other values will behave the same as `None`.
pub fn filename_for_mime(mime_type: Option<&str>, fallback: Option<mime::Name>) -> String {
let (type_, extension) = if let Some(mime) = mime_type.and_then(|m| Mime::from_str(m).ok()) {
let extension =
mime_guess::get_mime_extensions(&mime).map(|extensions| extensions[0].to_owned());
(Some(mime.type_().as_str().to_owned()), extension)
} else {
(fallback.map(|type_| type_.as_str().to_owned()), None)
};
let name = match type_.as_deref() {
// Translators: Default name for image files.
Some("image") => gettext("image"),
// Translators: Default name for video files.
Some("video") => gettext("video"),
// Translators: Default name for audio files.
Some("audio") => gettext("audio"),
// Translators: Default name for files.
_ => gettext("file"),
};
extension
.map(|extension| format!("{}.{}", name, extension))
.unwrap_or(name)
}
/// Generate temporary IDs for pending events.
///
/// Returns a `(transaction_id, event_id)` tuple. The `event_id` is derived from
/// the `transaction_id`.
pub fn pending_event_ids() -> (OwnedTransactionId, OwnedEventId) {
let txn_id = TransactionId::new();
let event_id = EventId::parse(format!("${}:fractal.gnome.org", txn_id)).unwrap();
(txn_id, event_id)
}
pub enum TimeoutFuture {
Timeout,
}
use futures::{
future::{self, Either, Future},
pin_mut,
};
pub async fn timeout_future<T>(
timeout: std::time::Duration,
fut: impl Future<Output = T>,
) -> Result<T, TimeoutFuture> {
let timeout = glib::timeout_future(timeout);
pin_mut!(fut);
match future::select(fut, timeout).await {
Either::Left((x, _)) => Ok(x),
_ => Err(TimeoutFuture::Timeout),
}
}
pub struct TemplateCallbacks {}
#[gtk::template_callbacks(functions)]
impl TemplateCallbacks {
#[template_callback]
fn string_not_empty(string: Option<&str>) -> bool {
!string.unwrap_or_default().is_empty()
}
#[template_callback]
fn object_is_some(obj: Option<glib::Object>) -> bool {
obj.is_some()
}
#[template_callback]
fn invert_boolean(boolean: bool) -> bool {
!boolean
}
}
/// The result of a password validation.
#[derive(Debug, Default, Clone, Copy)]
pub struct PasswordValidity {
/// Whether the password includes at least one lowercase letter.
pub has_lowercase: bool,
/// Whether the password includes at least one uppercase letter.
pub has_uppercase: bool,
/// Whether the password includes at least one number.
pub has_number: bool,
/// Whether the password includes at least one symbol.
pub has_symbol: bool,
/// Whether the password is at least 8 characters long.
pub has_length: bool,
/// The percentage of checks passed for the password, between 0 and 100.
///
/// If progress is 100, the password is valid.
pub progress: u32,
}
impl PasswordValidity {
pub fn new() -> Self {
Self::default()
}
}
/// Validate a password according to the Matrix specification.
///
/// A password should include a lower-case letter, an upper-case letter, a
/// number and a symbol and be at a minimum 8 characters in length.
///
/// See: <https://spec.matrix.org/v1.1/client-server-api/#notes-on-password-management>
pub fn validate_password(password: &str) -> PasswordValidity {
let mut validity = PasswordValidity::new();
for char in password.chars() {
if char.is_numeric() {
validity.has_number = true;
} else if char.is_lowercase() {
validity.has_lowercase = true;
} else if char.is_uppercase() {
validity.has_uppercase = true;
} else {
validity.has_symbol = true;
}
}
validity.has_length = password.len() >= 8;
let mut passed = 0;
if validity.has_number {
passed += 1;
}
if validity.has_lowercase {
passed += 1;
}
if validity.has_uppercase {
passed += 1;
}
if validity.has_symbol {
passed += 1;
}
if validity.has_length {
passed += 1;
}
validity.progress = passed * 100 / 5;
validity
}
/// Replace variables in the given string with the given dictionary.
///
/// The expected format to replace is `{name}`, where `name` is the first string
/// in the dictionary entry tuple.
pub fn freplace(s: String, args: &[(&str, &str)]) -> String {
let mut s = s;
for (k, v) in args {
s = s.replace(&format!("{{{}}}", k), v);
}
s
}
pub async fn check_if_reachable(hostname: &impl AsRef<str>) -> bool {
let address = gio::NetworkAddress::parse_uri(hostname.as_ref(), 80).unwrap();
let monitor = gio::NetworkMonitor::default();
match monitor.can_reach_future(&address).await {
Ok(()) => true,
Err(error) => {
log::error!(
"Homeserver {} isn't reachable: {}",
hostname.as_ref(),
error
);
false
}
}
}
/// Regex that matches a string that only includes emojis.
pub static EMOJI_REGEX: Lazy<Regex> = Lazy::new(|| {
Regex::new(
r"(?x)
^
[\p{White_Space}\p{Emoji_Component}]*
[\p{Emoji}--\p{Decimal_Number}]+
[\p{White_Space}\p{Emoji}\p{Emoji_Component}--\p{Decimal_Number}]*
$
# That string is made of at least one emoji, except digits, possibly more,
# possibly with modifiers, possibly with spaces, but nothing else
",
)
.unwrap()
});
const MATRIX_TO_BASE_URL: &str = "https://matrix.to/#/";
/// Parse a matrix.to URI.
///
/// Ruma's parsing fails with non-percent-encoded identifiers, which is the
/// format of permalinks provided by Element Web.
pub fn parse_matrix_to_uri(uri: &str) -> Result<(MatrixId, Vec<OwnedServerName>), IdParseError> {
let s = uri
.strip_prefix(MATRIX_TO_BASE_URL)
.ok_or(MatrixToError::WrongBaseUrl)?;
let s = s.strip_suffix('/').unwrap_or(s);
let mut parts = s.split('?');
let ids_part = parts.next().ok_or(MatrixIdError::NoIdentifier)?;
let mut ids = ids_part.split('/');
let first = ids.next().ok_or(MatrixIdError::NoIdentifier)?;
let first_id = percent_decode_str(first).decode_utf8()?;
let id: MatrixId = match first_id.as_bytes()[0] {
b'!' => {
let room_id = RoomId::parse(&first_id)?;
if let Some(second) = ids.next() {
let second_id = percent_decode_str(second).decode_utf8()?;
let event_id = EventId::parse(&second_id)?;
(room_id, event_id).into()
} else {
room_id.into()
}
}
b'#' => {
let room_id = RoomAliasId::parse(&first_id)?;
if let Some(second) = ids.next() {
let second_id = percent_decode_str(second).decode_utf8()?;
let event_id = EventId::parse(&second_id)?;
(room_id, event_id).into()
} else {
room_id.into()
}
}
b'@' => UserId::parse(&first_id)?.into(),
b'$' => return Err(MatrixIdError::MissingRoom.into()),
_ => return Err(MatrixIdError::UnknownIdentifier.into()),
};
if ids.next().is_some() {
return Err(MatrixIdError::TooManyIdentifiers.into());
}
let via = parts
.next()
.map(|query| {
let query_parts = urlencoded::from_str::<HashMap<String, String>>(query)
.or(Err(MatrixToError::InvalidUrl))?;
query_parts
.into_iter()
.filter_map(|(key, value)| (key == "via").then(|| ServerName::parse(&value)))
.collect::<Result<Vec<_>, _>>()
})
.transpose()?
.unwrap_or_default();
if parts.next().is_some() {
return Err(MatrixToError::InvalidUrl.into());
}
Ok((id, via))
}

169
src/utils/macros.rs Normal file
View file

@ -0,0 +1,169 @@
//! Collection of macros.
/// Spawn a future on the default `MainContext`
///
/// This was taken from `gtk-macros`
/// but allows setting optionally the priority
///
/// FIXME: this should maybe be upstreamed
#[macro_export]
macro_rules! spawn {
($future:expr) => {
let ctx = glib::MainContext::default();
ctx.spawn_local($future);
};
($priority:expr, $future:expr) => {
let ctx = glib::MainContext::default();
ctx.spawn_local_with_priority($priority, $future);
};
}
/// Spawn a future on the tokio runtime
#[macro_export]
macro_rules! spawn_tokio {
($future:expr) => {
$crate::RUNTIME.spawn($future)
};
}
/// Show a toast with the given message on the ancestor window of `widget`.
///
/// The simplest way to use this macros is for displaying a simple message. It
/// can be anything that implements `AsRef<str>`.
///
/// ```ignore
/// toast!(widget, gettext("Something happened"));
/// ```
///
/// This macro also supports replacing named variables with their value. It
/// supports both the `var` and the `var = expr` syntax. In this case the
/// message and the variables must be `String`s.
///
/// ```ignore
/// toast!(
/// widget,
/// gettext("Error number {n}: {msg}"),
/// n = error_nb.to_string(),
/// msg,
/// );
/// ```
///
/// To add `Pill`s to the toast, you can precede a [`Room`] or [`User`] with
/// `@`.
///
/// ```ignore
/// let room = Room::new(session, room_id);
/// let member = Member::new(room, user_id);
///
/// toast!(
/// widget,
/// gettext("Could not contact {user} in {room}",
/// @user = member,
/// @room,
/// );
/// ```
///
/// For this macro to work, the ancestor window be a [`Window`](crate::Window)
/// or an [`adw::PreferencesWindow`].
///
/// [`Room`]: crate::session::room::Room
/// [`User`]: crate::session::user::User
#[macro_export]
macro_rules! toast {
($widget:expr, $message:expr) => {
{
$crate::_add_toast!($widget, adw::Toast::new($message.as_ref()));
}
};
($widget:expr, $message:expr, $($tail:tt)+) => {
{
let (string_vars, pill_vars) = $crate::_toast_accum!([], [], $($tail)+);
let string_dict: Vec<_> = string_vars
.iter()
.map(|(key, val): &(&str, String)| (key.as_ref(), val.as_ref()))
.collect();
let message = $crate::utils::freplace($message.into(), &*string_dict);
let toast = if pill_vars.is_empty() {
adw::Toast::new($message.as_ref())
} else {
let pill_vars = std::collections::HashMap::<&str, $crate::components::Pill>::from(pill_vars);
let mut swapped_label = String::new();
let mut widgets = Vec::with_capacity(pill_vars.len());
let mut last_end = 0;
let mut matches = pill_vars
.keys()
.map(|key: &&str| {
message
.match_indices(&format!("{{{key}}}"))
.map(|(start, _)| (start, key))
.collect::<Vec<_>>()
})
.flatten()
.collect::<Vec<_>>();
matches.sort_unstable();
for (start, key) in matches {
swapped_label.push_str(&message[last_end..start]);
swapped_label.push_str($crate::components::DEFAULT_PLACEHOLDER);
last_end = start + key.len() + 2;
widgets.push(pill_vars.get(key).unwrap().clone())
}
swapped_label.push_str(&message[last_end..message.len()]);
let widget = $crate::components::LabelWithWidgets::with_label_and_widgets(
&swapped_label,
widgets,
);
adw::Toast::builder()
.custom_title(&widget)
.build()
};
$crate::_add_toast!($widget, toast);
}
};
}
#[doc(hidden)]
#[macro_export]
macro_rules! _toast_accum {
([$($string_vars:tt)*], [$($pill_vars:tt)*], $var:ident, $($tail:tt)*) => {
$crate::_toast_accum!([$($string_vars)* (stringify!($var), $var),], [$($pill_vars)*], $($tail)*)
};
([$($string_vars:tt)*], [$($pill_vars:tt)*], $var:ident = $val:expr, $($tail:tt)*) => {
$crate::_toast_accum!([$($string_vars)* (stringify!($var), $val),], [$($pill_vars)*], $($tail)*)
};
([$($string_vars:tt)*], [$($pill_vars:tt)*], @$var:ident, $($tail:tt)*) => {
{
let pill: $crate::components::Pill = $var.to_pill();
$crate::_toast_accum!([$($string_vars)*], [$($pill_vars)* (stringify!($var), pill),], $($tail)*)
}
};
([$($string_vars:tt)*], [$($pill_vars:tt)*], @$var:ident = $val:expr, $($tail:tt)*) => {
{
let pill: $crate::components::Pill = $val.to_pill();
$crate::_toast_accum!([$($string_vars)*], [$($pill_vars)* (stringify!($var), pill),], $($tail)*)
}
};
([$($string_vars:tt)*], [$($pill_vars:tt)*],) => { ([$($string_vars)*], [$($pill_vars)*]) };
}
#[doc(hidden)]
#[macro_export]
macro_rules! _add_toast {
($widget:expr, $toast:expr) => {{
use gtk::prelude::WidgetExt;
if let Some(root) = $widget.root() {
if let Some(window) = root.downcast_ref::<$crate::Window>() {
window.add_toast($toast.as_ref());
} else if let Some(window) = root.downcast_ref::<adw::PreferencesWindow>() {
use adw::prelude::PreferencesWindowExt;
window.add_toast($toast.as_ref());
} else {
panic!("Trying to display a toast when the parent doesn't support it");
}
}
}};
}

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//! Collection of methods for media files.
use gettextrs::gettext;
use ruma::events::room::MediaSource;
/// Get the unique id of the given `MediaSource`.
///
/// It is built from the underlying `MxcUri` and can be safely used in a
/// filename.
///
/// The id is not guaranteed to be unique for malformed `MxcUri`s.
pub fn media_type_uid(media_type: Option<MediaSource>) -> String {
if let Some(mxc) = media_type
.map(|media_type| match media_type {
MediaSource::Plain(uri) => uri,
MediaSource::Encrypted(file) => file.url,
})
.filter(|mxc| mxc.is_valid())
{
format!("{}_{}", mxc.server_name().unwrap(), mxc.media_id().unwrap())
} else {
"media_uid".to_owned()
}
}
/// Get a default filename for a mime type.
///
/// Tries to guess the file extension, but it might not find it.
///
/// If the mime type is unknown, it uses the name for `fallback`. The fallback
/// mime types that are recognized are `mime::IMAGE`, `mime::VIDEO` and
/// `mime::AUDIO`, other values will behave the same as `None`.
pub fn filename_for_mime(mime_type: Option<&str>, fallback: Option<mime::Name>) -> String {
let (type_, extension) =
if let Some(mime) = mime_type.and_then(|m| m.parse::<mime::Mime>().ok()) {
let extension =
mime_guess::get_mime_extensions(&mime).map(|extensions| extensions[0].to_owned());
(Some(mime.type_().as_str().to_owned()), extension)
} else {
(fallback.map(|type_| type_.as_str().to_owned()), None)
};
let name = match type_.as_deref() {
// Translators: Default name for image files.
Some("image") => gettext("image"),
// Translators: Default name for video files.
Some("video") => gettext("video"),
// Translators: Default name for audio files.
Some("audio") => gettext("audio"),
// Translators: Default name for files.
_ => gettext("file"),
};
extension
.map(|extension| format!("{}.{}", name, extension))
.unwrap_or(name)
}

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//! Collection of common methods and types.
pub mod macros;
pub mod media;
pub mod sourceview;
pub mod template_callbacks;
use std::{collections::HashMap, path::PathBuf};
use futures::{
future::{self, Either, Future},
pin_mut,
};
use gtk::{
gio::{self, prelude::*},
glib::{self, closure, Object},
};
use matrix_sdk::ruma::{EventId, OwnedEventId, OwnedTransactionId, TransactionId, UInt};
use once_cell::sync::Lazy;
use regex::Regex;
use ruma::{
exports::percent_encoding::percent_decode_str, matrix_uri::MatrixId, serde::urlencoded,
IdParseError, MatrixIdError, MatrixToError, OwnedServerName, RoomAliasId, RoomId, ServerName,
UserId,
};
/// Returns an expression that is the and’ed result of the given boolean
/// expressions.
#[allow(dead_code)]
pub fn and_expr<E: AsRef<gtk::Expression>>(a_expr: E, b_expr: E) -> gtk::ClosureExpression {
gtk::ClosureExpression::new::<bool, _, _>(
&[a_expr, b_expr],
closure!(|_: Option<Object>, a: bool, b: bool| { a && b }),
)
}
/// Returns an expression that is the or’ed result of the given boolean
/// expressions.
pub fn or_expr<E: AsRef<gtk::Expression>>(a_expr: E, b_expr: E) -> gtk::ClosureExpression {
gtk::ClosureExpression::new::<bool, _, _>(
&[a_expr, b_expr],
closure!(|_: Option<Object>, a: bool, b: bool| { a || b }),
)
}
/// Returns an expression that is the inverted result of the given boolean
/// expressions.
#[allow(dead_code)]
pub fn not_expr<E: AsRef<gtk::Expression>>(a_expr: E) -> gtk::ClosureExpression {
gtk::ClosureExpression::new::<bool, _, _>(
&[a_expr],
closure!(|_: Option<Object>, a: bool| { !a }),
)
}
/// Get the cache directory.
///
/// If it doesn't exist, this method creates it.
pub fn cache_dir() -> PathBuf {
let mut path = glib::user_cache_dir();
path.push("fractal");
if !path.exists() {
let dir = gio::File::for_path(path.clone());
dir.make_directory_with_parents(gio::Cancellable::NONE)
.unwrap();
}
path
}
/// Converts a `UInt` to `i32`.
///
/// Returns `-1` if the conversion didn't work.
pub fn uint_to_i32(u: Option<UInt>) -> i32 {
u.and_then(|ui| {
let u: Option<u16> = ui.try_into().ok();
u
})
.map(|u| {
let i: i32 = u.into();
i
})
.unwrap_or(-1)
}
/// Generate temporary IDs for pending events.
///
/// Returns a `(transaction_id, event_id)` tuple. The `event_id` is derived from
/// the `transaction_id`.
pub fn pending_event_ids() -> (OwnedTransactionId, OwnedEventId) {
let txn_id = TransactionId::new();
let event_id = EventId::parse(format!("${}:fractal.gnome.org", txn_id)).unwrap();
(txn_id, event_id)
}
pub enum TimeoutFuture {
Timeout,
}
/// Executes the given future with the given timeout.
///
/// If the future didn't resolve before the timeout was reached, this returns
/// an `Err(TimeoutFuture)`.
pub async fn timeout_future<T>(
timeout: std::time::Duration,
fut: impl Future<Output = T>,
) -> Result<T, TimeoutFuture> {
let timeout = glib::timeout_future(timeout);
pin_mut!(fut);
match future::select(fut, timeout).await {
Either::Left((x, _)) => Ok(x),
_ => Err(TimeoutFuture::Timeout),
}
}
/// The result of a password validation.
#[derive(Debug, Default, Clone, Copy)]
pub struct PasswordValidity {
/// Whether the password includes at least one lowercase letter.
pub has_lowercase: bool,
/// Whether the password includes at least one uppercase letter.
pub has_uppercase: bool,
/// Whether the password includes at least one number.
pub has_number: bool,
/// Whether the password includes at least one symbol.
pub has_symbol: bool,
/// Whether the password is at least 8 characters long.
pub has_length: bool,
/// The percentage of checks passed for the password, between 0 and 100.
///
/// If progress is 100, the password is valid.
pub progress: u32,
}
impl PasswordValidity {
pub fn new() -> Self {
Self::default()
}
}
/// Validate a password according to the Matrix specification.
///
/// A password should include a lower-case letter, an upper-case letter, a
/// number and a symbol and be at a minimum 8 characters in length.
///
/// See: <https://spec.matrix.org/v1.1/client-server-api/#notes-on-password-management>
pub fn validate_password(password: &str) -> PasswordValidity {
let mut validity = PasswordValidity::new();
for char in password.chars() {
if char.is_numeric() {
validity.has_number = true;
} else if char.is_lowercase() {
validity.has_lowercase = true;
} else if char.is_uppercase() {
validity.has_uppercase = true;
} else {
validity.has_symbol = true;
}
}
validity.has_length = password.len() >= 8;
let mut passed = 0;
if validity.has_number {
passed += 1;
}
if validity.has_lowercase {
passed += 1;
}
if validity.has_uppercase {
passed += 1;
}
if validity.has_symbol {
passed += 1;
}
if validity.has_length {
passed += 1;
}
validity.progress = passed * 100 / 5;
validity
}
/// Replace variables in the given string with the given dictionary.
///
/// The expected format to replace is `{name}`, where `name` is the first string
/// in the dictionary entry tuple.
pub fn freplace(s: String, args: &[(&str, &str)]) -> String {
let mut s = s;
for (k, v) in args {
s = s.replace(&format!("{{{}}}", k), v);
}
s
}
/// Check if the given hostname is reachable.
pub async fn check_if_reachable(hostname: &impl AsRef<str>) -> bool {
let address = gio::NetworkAddress::parse_uri(hostname.as_ref(), 80).unwrap();
let monitor = gio::NetworkMonitor::default();
match monitor.can_reach_future(&address).await {
Ok(()) => true,
Err(error) => {
log::error!(
"Homeserver {} isn't reachable: {}",
hostname.as_ref(),
error
);
false
}
}
}
/// Regex that matches a string that only includes emojis.
pub static EMOJI_REGEX: Lazy<Regex> = Lazy::new(|| {
Regex::new(
r"(?x)
^
[\p{White_Space}\p{Emoji_Component}]*
[\p{Emoji}--\p{Decimal_Number}]+
[\p{White_Space}\p{Emoji}\p{Emoji_Component}--\p{Decimal_Number}]*
$
# That string is made of at least one emoji, except digits, possibly more,
# possibly with modifiers, possibly with spaces, but nothing else
",
)
.unwrap()
});
const MATRIX_TO_BASE_URL: &str = "https://matrix.to/#/";
/// Parse a matrix.to URI.
///
/// Ruma's parsing fails with non-percent-encoded identifiers, which is the
/// format of permalinks provided by Element Web.
pub fn parse_matrix_to_uri(uri: &str) -> Result<(MatrixId, Vec<OwnedServerName>), IdParseError> {
let s = uri
.strip_prefix(MATRIX_TO_BASE_URL)
.ok_or(MatrixToError::WrongBaseUrl)?;
let s = s.strip_suffix('/').unwrap_or(s);
let mut parts = s.split('?');
let ids_part = parts.next().ok_or(MatrixIdError::NoIdentifier)?;
let mut ids = ids_part.split('/');
let first = ids.next().ok_or(MatrixIdError::NoIdentifier)?;
let first_id = percent_decode_str(first).decode_utf8()?;
let id: MatrixId = match first_id.as_bytes()[0] {
b'!' => {
let room_id = RoomId::parse(&first_id)?;
if let Some(second) = ids.next() {
let second_id = percent_decode_str(second).decode_utf8()?;
let event_id = EventId::parse(&second_id)?;
(room_id, event_id).into()
} else {
room_id.into()
}
}
b'#' => {
let room_id = RoomAliasId::parse(&first_id)?;
if let Some(second) = ids.next() {
let second_id = percent_decode_str(second).decode_utf8()?;
let event_id = EventId::parse(&second_id)?;
(room_id, event_id).into()
} else {
room_id.into()
}
}
b'@' => UserId::parse(&first_id)?.into(),
b'$' => return Err(MatrixIdError::MissingRoom.into()),
_ => return Err(MatrixIdError::UnknownIdentifier.into()),
};
if ids.next().is_some() {
return Err(MatrixIdError::TooManyIdentifiers.into());
}
let via = parts
.next()
.map(|query| {
let query_parts = urlencoded::from_str::<HashMap<String, String>>(query)
.or(Err(MatrixToError::InvalidUrl))?;
query_parts
.into_iter()
.filter_map(|(key, value)| (key == "via").then(|| ServerName::parse(&value)))
.collect::<Result<Vec<_>, _>>()
})
.transpose()?
.unwrap_or_default();
if parts.next().is_some() {
return Err(MatrixToError::InvalidUrl.into());
}
Ok((id, via))
}

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//! Collection of methods for interacting with `GtkSourceView`.
use gtk::glib;
use sourceview::prelude::*;
/// Setup the style scheme for the given buffer.
pub fn setup_style_scheme(buffer: &sourceview::Buffer) {
let manager = adw::StyleManager::default();
buffer.set_style_scheme(style_scheme().as_ref());
manager.connect_dark_notify(glib::clone!(@weak buffer => move |_| {
buffer.set_style_scheme(style_scheme().as_ref());
}));
}
/// Get the style scheme for the current appearance.
pub fn style_scheme() -> Option<sourceview::StyleScheme> {
let manager = adw::StyleManager::default();
let scheme_name = if manager.is_dark() {
"Adwaita-dark"
} else {
"Adwaita"
};
sourceview::StyleSchemeManager::default().scheme(scheme_name)
}

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//! Collection of GTK template callbacks.
use gtk::glib;
/// Struct used as a collection of GTK template callbacks.
pub struct TemplateCallbacks {}
#[gtk::template_callbacks(functions)]
impl TemplateCallbacks {
/// Returns `true` when the given string is not empty.
#[template_callback]
pub fn string_not_empty(string: Option<&str>) -> bool {
!string.unwrap_or_default().is_empty()
}
/// Returns `true` when the given `Option<glib::Object>` is `Some`.
#[template_callback]
pub fn object_is_some(obj: Option<glib::Object>) -> bool {
obj.is_some()
}
/// Inverts the given boolean.
#[template_callback]
pub fn invert_boolean(boolean: bool) -> bool {
!boolean
}
}