mirror of https://git.meli.delivery/meli/meli
Add html view
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/*
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* meli - ui crate.
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*
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* Copyright 2017-2018 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli 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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* meli 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 meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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use super::*;
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use std::io::Write;
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use std::process::{Command, Stdio};
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pub struct HtmlView {
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pager: Pager,
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bytes: Vec<u8>
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}
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impl HtmlView {
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pub fn new(bytes: Vec<u8>) -> Self {
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let mut html_filter = Command::new("w3m")
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.args(&["-I", "utf-8", "-T", "text/html"])
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.stdin(Stdio::piped())
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.stdout(Stdio::piped())
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.spawn()
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.expect("Failed to start html filter process");
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html_filter.stdin.as_mut().unwrap().write_all(&bytes).expect("Failed to write to w3m stdin");
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let mut display_text = String::from("Text piped through `w3m`. Press `v` to open in web browser. \n\n");
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display_text.push_str(&String::from_utf8_lossy(&html_filter.wait_with_output().unwrap().stdout));
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let buf = MailView::plain_text_to_buf(&display_text, true);
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let pager = Pager::from_buf(&buf, None);
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HtmlView {
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pager,
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bytes
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}
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}
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}
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impl Component for HtmlView {
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fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
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self.pager.draw(grid, area, context);
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}
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fn process_event(&mut self, event: &UIEvent, context: &mut Context) {
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match event.event_type {
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UIEventType::Input(Key::Char('v')) => {
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// TODO: Optional filter that removes outgoing resource requests (images and
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// scripts)
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let binary = query_default_app("text/html");
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if let Ok(binary) = binary {
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let mut p = create_temp_file(&self.bytes, None);
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Command::new(&binary)
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.arg(p.path())
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.stdin(Stdio::piped())
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.stdout(Stdio::piped())
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.spawn()
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.unwrap_or_else(|_| {
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panic!("Failed to start {}", binary.display())
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});
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context.temp_files.push(p);
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} else {
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context.replies.push_back(UIEvent {
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id: 0,
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event_type: UIEventType::StatusNotification(format!(
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"Couldn't find a default application for html files.")),
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});
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}
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return;
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},
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_ => {},
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}
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self.pager.process_event(event, context);
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}
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fn is_dirty(&self) -> bool {
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self.pager.is_dirty()
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}
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}
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