109 lines
3.0 KiB
Rust
109 lines
3.0 KiB
Rust
// show.rs
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//
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// Copyright 2017 Jordan Petridis <jpetridis@gnome.org>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// SPDX-License-Identifier: GPL-3.0-or-later
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use gtk;
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use gtk::prelude::*;
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use crossbeam_channel::Sender;
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use failure::Error;
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use podcasts_data::dbqueries::is_episodes_populated;
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use crate::app::Action;
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use crate::stacks::content::State;
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use crate::stacks::PopulatedStack;
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use crate::utils::get_ignored_shows;
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use crate::widgets::EmptyView;
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use std::cell::RefCell;
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use std::ops::Deref;
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use std::rc::Rc;
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#[derive(Debug, Clone)]
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pub(crate) struct ShowStack {
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empty: EmptyView,
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populated: Rc<RefCell<PopulatedStack>>,
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stack: gtk::Stack,
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state: State,
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sender: Sender<Action>,
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}
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impl ShowStack {
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pub(crate) fn new(sender: Sender<Action>) -> Self {
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let populated = Rc::new(RefCell::new(PopulatedStack::new(sender.clone())));
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let empty = EmptyView::default();
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let stack = gtk::Stack::new();
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let state = State::Empty;
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stack.add_named(&populated.borrow().container(), "populated");
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stack.add_named(empty.deref(), "empty");
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let mut show = ShowStack {
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empty,
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populated,
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stack,
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state,
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sender,
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};
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let res = show.determine_state();
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debug_assert!(res.is_ok());
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show
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}
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pub(crate) fn get_stack(&self) -> gtk::Stack {
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self.stack.clone()
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}
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pub(crate) fn populated(&self) -> Rc<RefCell<PopulatedStack>> {
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self.populated.clone()
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}
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pub(crate) fn update(&mut self) -> Result<(), Error> {
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self.populated.borrow_mut().update();
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self.determine_state()
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}
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pub(crate) fn switch_visible(&mut self, s: State) {
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use self::State::*;
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match s {
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Populated => {
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self.stack.set_visible_child_name("populated");
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self.state = Populated;
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}
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Empty => {
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self.stack.set_visible_child_name("empty");
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self.state = Empty;
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}
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};
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}
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fn determine_state(&mut self) -> Result<(), Error> {
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let ign = get_ignored_shows()?;
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debug!("IGNORED SHOWS {:?}", ign);
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if is_episodes_populated(&ign)? {
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self.sender.send(Action::PopulatedState);
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} else {
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self.sender.send(Action::EmptyState);
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};
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Ok(())
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}
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}
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