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/*
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* meli
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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 std::{
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io::Write,
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process::{Command, Stdio},
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};
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use super::*;
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#[derive(Debug)]
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pub struct HtmlView {
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pager: Pager,
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bytes: Vec<u8>,
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coordinates: Option<(AccountHash, MailboxHash, EnvelopeHash)>,
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id: ComponentId,
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}
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impl HtmlView {
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pub fn new(body: &Attachment, context: &mut Context) -> Self {
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let id = ComponentId::new_v4();
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let bytes: Vec<u8> = body.decode_rec(Default::default());
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let settings = &context.settings;
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let mut display_text = if let Some(filter_invocation) = settings.pager.html_filter.as_ref()
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{
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let command_obj = Command::new("sh")
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.args(["-c", filter_invocation])
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.stdin(Stdio::piped())
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.stdout(Stdio::piped())
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.spawn();
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match command_obj {
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Err(err) => {
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context.replies.push_back(UIEvent::Notification(
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Some(format!(
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"Failed to start html filter process: {}",
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filter_invocation,
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)),
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err.to_string(),
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Some(NotificationType::Error(melib::ErrorKind::External)),
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));
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String::from_utf8_lossy(&bytes).to_string()
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}
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Ok(mut html_filter) => {
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html_filter
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.stdin
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.as_mut()
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.unwrap()
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.write_all(&bytes)
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.expect("Failed to write to html filter stdin");
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let mut display_text = format!(
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"Text piped through `{}`. Press `v` to open in web browser. \n\n",
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filter_invocation
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);
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display_text.push_str(&String::from_utf8_lossy(
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&html_filter.wait_with_output().unwrap().stdout,
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));
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display_text
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}
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}
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} else if let Ok(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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{
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html_filter
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.stdin
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.as_mut()
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.unwrap()
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.write_all(&bytes)
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.expect("Failed to write to html filter stdin");
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let mut display_text =
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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(
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&html_filter.wait_with_output().unwrap().stdout,
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));
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display_text
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} else {
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context.replies.push_back(UIEvent::Notification(
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Some("Failed to find any application to use as html filter".to_string()),
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String::new(),
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Some(NotificationType::Error(melib::error::ErrorKind::None)),
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));
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String::from_utf8_lossy(&bytes).to_string()
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};
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if body.count_attachments() > 1 {
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display_text =
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body.attachments()
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.iter()
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.enumerate()
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.fold(display_text, |mut s, (idx, a)| {
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let _ = writeln!(s, "[{}] {}\n\n", idx, a);
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s
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});
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}
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let colors = crate::conf::value(context, "mail.view.body");
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let pager = Pager::from_string(display_text, None, None, None, colors);
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HtmlView {
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pager,
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bytes,
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id,
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coordinates: None,
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}
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}
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pub fn set_coordinates(&mut self, new_value: Option<(AccountHash, MailboxHash, EnvelopeHash)>) {
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self.coordinates = new_value;
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}
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}
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impl fmt::Display for HtmlView {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "view")
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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: &mut UIEvent, context: &mut Context) -> bool {
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if self.pager.process_event(event, context) {
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return true;
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}
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if let UIEvent::Input(Key::Char('v')) = event {
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let command = if let Some(coordinates) = self.coordinates {
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mailbox_settings!(context[coordinates.0][&coordinates.1].pager.html_open)
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.as_ref()
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.map(|s| s.to_string())
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.or_else(|| query_default_app("text/html").ok())
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} else {
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query_default_app("text/html").ok()
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};
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if let Some(command) = command {
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let p = create_temp_file(&self.bytes, None, None, true);
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let exec_cmd =
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super::desktop_exec_to_command(&command, p.path.display().to_string(), false);
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match Command::new("sh")
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.args(["-c", &exec_cmd])
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.stdin(Stdio::piped())
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.stdout(Stdio::piped())
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.spawn()
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{
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Ok(child) => {
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context.temp_files.push(p);
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context.children.push(child);
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}
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Err(err) => {
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context.replies.push_back(UIEvent::StatusEvent(
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StatusEvent::DisplayMessage(format!(
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"Failed to start `{}`: {}",
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&exec_cmd, err
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)),
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));
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}
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}
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} else {
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context
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.replies
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.push_back(UIEvent::StatusEvent(StatusEvent::DisplayMessage(
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"Couldn't find a default application for html files.".to_string(),
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)));
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}
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return true;
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}
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false
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}
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fn get_shortcuts(&self, context: &Context) -> ShortcutMaps {
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self.pager.get_shortcuts(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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fn set_dirty(&mut self, value: bool) {
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self.pager.set_dirty(value);
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}
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fn id(&self) -> ComponentId {
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self.id
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}
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fn set_id(&mut self, id: ComponentId) {
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self.id = id;
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}
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}
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