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mod database;
use crate::app::browser::{window::tab::item::Action as TabAction, Action as BrowserAction};
use gtk::{
glib::{timeout_add_local, ControlFlow, SourceId},
prelude::{EditableExt, EntryExt, WidgetExt},
Entry, StateFlags,
};
use sqlite::Transaction;
use std::{cell::RefCell, rc::Rc, time::Duration};
const PLACEHOLDER_TEXT: &str = "URL or search term...";
// Progress bar animation setup
const PROGRESS_ANIMATION_STEP: f64 = 0.05;
const PROGRESS_ANIMATION_TIME: u64 = 20; //ms
struct Progress {
fraction: RefCell<f64>,
source_id: RefCell<Option<SourceId>>,
}
pub struct Widget {
pub entry: Entry,
progress: Rc<Progress>,
}
impl Widget {
// Construct
pub fn new(action: (Rc<BrowserAction>, Rc<TabAction>)) -> Self {
// Init animated progress bar state
let progress = Rc::new(Progress {
fraction: RefCell::new(0.0),
source_id: RefCell::new(None),
});
// Init widget
let entry = Entry::builder()
.placeholder_text(PLACEHOLDER_TEXT)
.hexpand(true)
.build();
// Connect events
entry.connect_changed(move |_| {
action.0.update.activate(None);
});
entry.connect_activate(move |this| {
action.1.load().activate(Some(&this.text()), true);
});
entry.connect_state_flags_changed({
// Define last focus state container
let has_focus = RefCell::new(false);
move |this, state| {
// Select entire text on first click release
// this behavior implemented in most web-browsers,
// to simply overwrite current request with new value
// Note:
// * Custom GestureClick is not an option here, as GTK Entry has default controller
// * This is experimental feature does not follow native GTK behavior @TODO make optional
if !has_focus.take()
&& state.contains(StateFlags::ACTIVE | StateFlags::FOCUS_WITHIN)
&& this.selection_bounds().is_none()
{
this.select_region(0, this.text_length().into());
}
// Update last focus state
has_focus.replace(state.contains(StateFlags::FOCUS_WITHIN));
}
});
// Return activated `Self`
Self { entry, progress }
}
// Actions
pub fn clean(
&self,
transaction: &Transaction,
app_browser_window_tab_item_page_navigation_request_id: &i64,
) -> Result<(), String> {
match database::select(
transaction,
app_browser_window_tab_item_page_navigation_request_id,
) {
Ok(records) => {
for record in records {
match database::delete(transaction, &record.id) {
Ok(_) => {
// Delegate clean action to the item childs
// nothing yet..
}
Err(e) => return Err(e.to_string()),
}
}
}
Err(e) => return Err(e.to_string()),
}
Ok(())
}
pub fn restore(
&self,
transaction: &Transaction,
app_browser_window_tab_item_page_navigation_request_id: &i64,
) -> Result<(), String> {
match database::select(
transaction,
app_browser_window_tab_item_page_navigation_request_id,
) {
Ok(records) => {
for record in records {
if let Some(text) = record.text {
self.entry.set_text(&text);
}
// Delegate restore action to the item childs
// nothing yet..
}
}
Err(e) => return Err(e.to_string()),
}
Ok(())
}
pub fn save(
&self,
transaction: &Transaction,
app_browser_window_tab_item_page_navigation_request_id: &i64,
) -> Result<(), String> {
// Keep value in memory until operation complete
let text = self.entry.text();
match database::insert(
transaction,
app_browser_window_tab_item_page_navigation_request_id,
match text.is_empty() {
true => None,
false => Some(text.as_str()),
},
) {
Ok(_) => {
// let id = database::last_insert_id(transaction);
// Delegate save action to childs
// nothing yet..
}
Err(e) => return Err(e.to_string()),
}
Ok(())
}
pub fn update(&self, progress_fraction: Option<f64>) {
// Skip update animation for None value
if let Some(value) = progress_fraction {
// Update shared fraction on new value was changed
if value != self.progress.fraction.replace(value) {
// Start new frame on previous process function completed (`source_id` changed to None)
// If previous process still active, we have just updated shared fraction value before, to use it inside the active process
if self.progress.source_id.borrow().is_none() {
// Start new animation frame iterator, update `source_id`
self.progress.source_id.replace(Some(timeout_add_local(
Duration::from_millis(PROGRESS_ANIMATION_TIME),
{
// Clone async pointers dependency
let entry = self.entry.clone();
let progress = self.progress.clone();
// Frame
move || {
// Animate
if *progress.fraction.borrow() > entry.progress_fraction() {
entry.set_progress_fraction(
// Currently, here is no outrange validation, seems that wrapper make this work @TODO
entry.progress_fraction() + PROGRESS_ANIMATION_STEP,
);
return ControlFlow::Continue;
}
// Deactivate
progress.source_id.replace(None);
// Reset on 100% (to hide progress bar)
// or, just await for new value request
if entry.progress_fraction() == 1.0 {
entry.set_progress_fraction(0.0);
}
// Stop iteration
ControlFlow::Break
}
},
)));
}
}
}
}
}
// Tools
pub fn migrate(tx: &Transaction) -> Result<(), String> {
// Migrate self components
if let Err(e) = database::init(tx) {
return Err(e.to_string());
}
// Delegate migration to childs
// nothing yet..
// Success
Ok(())
}