feat(downloading): torrent pause feature

src/app/torrent.js

@@ -163,7 +163,8 @@ export default class Torrent extends Component {
   	downloaded: false,
   	startingDownloading: false,
   	downloadProgress: {},
-  	downloadRemoveOnDone: false
+	  downloadRemoveOnDone: false,
+	  downloadPaused: false,
   }
   constructor(props)
   {
@@ -172,13 +173,14 @@ export default class Torrent extends Component {
   	const download = props.download || props.torrent.download
   	if(download)
   	{
-  		const { progress, downloaded, downloadSpeed, removeOnDone } = download
+  		const { progress, downloaded, downloadSpeed, removeOnDone, paused } = download
   		this.state.downloadProgress = {
   			progress, downloaded, downloadSpeed
   		}
   		this.state.downloading = progress < 1
   		this.state.downloaded = progress === 1
 		  this.state.downloadRemoveOnDone = removeOnDone
+		  this.state.downloadPaused = paused
   	}
   }
 
@@ -224,7 +226,8 @@ export default class Torrent extends Component {
   			return;
 
   		this.setState({
-  			downloadRemoveOnDone: options.removeOnDone
+			  downloadRemoveOnDone: options.removeOnDone,
+			  downloadPaused: options.paused
   		})
   	}
   	window.torrentSocket.on('downloadUpdate', this.downloadUpdate);
@@ -251,6 +254,7 @@ export default class Torrent extends Component {
   		torrentRating = Math.round(rating(torrent.good, torrent.bad) * 100);
 
 	  const canDeleteDownloadAfterFinish = (this.state.downloading || this.state.startingDownloading) && !this.state.downloaded
+	  const canPause = (this.state.downloading || this.state.startingDownloading)
 
   	return (
   		<div>
@@ -354,7 +358,34 @@ export default class Torrent extends Component {
   				}
   				leftIcon={contentIcon(torrent.contentType, torrent.contentCategory, torrent.contentCategory != 'xxx' ? (torrent.peer ? '#6f5ee0' : 'grey') : (torrent.peer ? '#9083e2' : '#d3d3d3'))}
   				rightIcon={
-  					<div className='row inline' style={{width: 63 + (canDeleteDownloadAfterFinish ? 40 : 0)}}>
+  					<div className='row inline' style={{width: 63 + (canDeleteDownloadAfterFinish ? 40 : 0) + (canPause ? 40 : 0)}}>
+					 	 {
+  							// mark delete after finish
+  							canPause
+                              &&
+                              <ToolTip hint={__('Pause torrent downloading')} right={true}>
+                              	<a href={`magnet:?xt=urn:btih:${torrent.hash}`}>
+                              		<svg style={{
+                              			height: '24px',
+                              			marginRight: 16,
+                              			fill: this.state.downloadPaused ? '#42f47a' : 'black'
+                              		}} onClick={(e) => {
+                              			e.preventDefault();
+                              			e.stopPropagation();
+                              			window.torrentSocket.emit('downloadUpdate', torrent.hash, {pause: 'switch'})
+                              		}} viewBox="0 0 438.536 438.536">
+                              				<g>
+												<path d="M164.453,0H18.276C13.324,0,9.041,1.807,5.425,5.424C1.808,9.04,0.001,13.322,0.001,18.271v401.991
+													c0,4.948,1.807,9.233,5.424,12.847c3.619,3.617,7.902,5.428,12.851,5.428h146.181c4.949,0,9.231-1.811,12.847-5.428
+													c3.617-3.613,5.424-7.898,5.424-12.847V18.271c0-4.952-1.807-9.231-5.428-12.847C173.685,1.807,169.402,0,164.453,0z"/>
+												<path d="M433.113,5.424C429.496,1.807,425.215,0,420.267,0H274.086c-4.949,0-9.237,1.807-12.847,5.424
+													c-3.621,3.615-5.432,7.898-5.432,12.847v401.991c0,4.948,1.811,9.233,5.432,12.847c3.609,3.617,7.897,5.428,12.847,5.428h146.181
+													c4.948,0,9.229-1.811,12.847-5.428c3.614-3.613,5.421-7.898,5.421-12.847V18.271C438.534,13.319,436.73,9.04,433.113,5.424z"/>
+											</g>
+                              		</svg>
+                              	</a>
+                              </ToolTip>
+  						}
   						{
   							// mark delete after finish
   							canDeleteDownloadAfterFinish
@@ -364,7 +395,7 @@ export default class Torrent extends Component {
                               		<svg style={{
                               			height: '24px',
                               			marginRight: 16,
-                              			fill: this.state.downloadRemoveOnDone ? 'red' : 'black'
+                              			fill: this.state.downloadRemoveOnDone ? '#f45c41' : 'black'
                               		}} onClick={(e) => {
                               			e.preventDefault();
                               			e.stopPropagation();

src/background/api.js

@@ -48,7 +48,8 @@ module.exports = async ({
 					progress: download.progress,
 					downloadSpeed: download.downloadSpeed,
                     
-					removeOnDone: download.removeOnDone
+					removeOnDone: download.removeOnDone,
+					paused: torrent.paused || torrent._paused
 				}
 			}
 		}
@@ -642,6 +643,11 @@ module.exports = async ({
 			console.log('start downloading', torrent.infoHash, 'to', torrent.path)
 			send('downloading', torrent.infoHash)
 			progress(0) // immediately display progress
+			if(torrent._paused)
+			{
+				delete torrent._paused
+				torrent._pause()
+			}
 		})
 
 		torrent.on('done', () => { 
@@ -676,6 +682,43 @@ module.exports = async ({
 			progress(bytes)
 		})
 
+		//custom api pause
+		torrent._pause = () => {
+			console.log('pause torrent downloading', torrent.infoHash)
+			torrent.pause()
+			torrent.wires = [];
+			setTimeout(() => {
+				if(torrent.paused)
+					torrent.wires = [];
+			}, 100) // make sure no more wires appears
+		}
+
+		torrent._restoreWires = () => {
+			for(const p in torrent._peers){
+				const wire = torrent._peers[p].wire
+				if(wire)
+					torrent.wires.push(wire);
+			}
+		}
+
+		torrent._resume = () => {
+			console.log('resume torrent downloading', torrent.infoHash)
+			torrent._restoreWires()
+			torrent.resume()
+		}
+
+		// fix wires after pause
+		const _destroy = torrent._destroy
+		torrent._destroy = (...args) => {
+			// fix pause wires closing
+			if(torrent.paused)
+			{
+				torrent._restoreWires()
+			}
+			return _destroy.call(torrent, ...args)
+		}
+
+
 		if(callback)
 			callback(true)
 
@@ -704,8 +747,18 @@ module.exports = async ({
 			torrent.removeOnDone = options.removeOnDone == 'switch' ? !torrent.removeOnDone : options.removeOnDone
 		}
 
+		if(typeof options.pause !== 'undefined')
+		{
+			const pause = options.pause == 'switch' ? !torrent.paused : options.pause
+			if(pause)
+				torrent._pause()
+			else
+				torrent._resume()
+		}
+
 		send('downloadUpdate', torrent.infoHash, {
-			removeOnDone: torrent.removeOnDone
+			removeOnDone: torrent.removeOnDone,
+			paused: torrent.paused || torrent._paused
 		})
 	})
 
@@ -746,7 +799,8 @@ module.exports = async ({
 			progress: torrent.progress,
 			downloadSpeed: torrent.downloadSpeed,
             
-			removeOnDone: torrent.removeOnDone
+			removeOnDone: torrent.removeOnDone,
+			paused: torrent.paused || torrent._paused
 		})))
 	})
 

src/background/torrentClient.js

@@ -10,6 +10,7 @@ torrentClient.saveSession = (sessionFile) => {
 			torrent: torrent.torrentObject,
 
 			removeOnDone: torrent.removeOnDone,
+			paused: torrent.paused || torrent._paused
 		}))
 	}, null, 4), 'utf8');
 }
@@ -33,7 +34,7 @@ torrentClient.loadSession = (sessionFile) => {
 		return
 	}
 	const {torrents} = obj
-	torrents.forEach(({torrent, infoHash, path, removeOnDone}) => {
+	torrents.forEach(({torrent, infoHash, path, removeOnDone, paused}) => {
 		if(!torrent || !infoHash || !path)
 		{
 			console.log('no info for starting download this torrent')
@@ -46,6 +47,10 @@ torrentClient.loadSession = (sessionFile) => {
 			console.log('restore options')
 			// restore options
 			download.removeOnDone = removeOnDone
+			if(paused)
+			{
+				download._paused = true
+			}
 		}
 	})
 }

translations/en.json

@@ -174,6 +174,7 @@
         "Open torrent in external torrent client": "Open torrent in external torrent client",
         "Dont start to seed torrent after download finish": "Dont start to seed torrent after download finish",
         "Delete download (files saved)": "Delete download (files saved)",
-        "Serching metadata in progress... Click will delete this torrent.": "Serching metadata in progress... Click will delete this torrent."
+        "Serching metadata in progress... Click will delete this torrent.": "Serching metadata in progress... Click will delete this torrent.",
+        "Pause torrent downloading": "Pause torrent downloading"
     }
 }

translations/ru.json

@@ -174,6 +174,7 @@
         "Open torrent in external torrent client": "Открыть торрент во внешнем торрент-клиенте",
         "Dont start to seed torrent after download finish": "Не начинать сидировать торрент после окончания загрузки",
         "Delete download (files saved)": "Удалить закачку (сохранив файлы)",
-        "Serching metadata in progress... Click will delete this torrent.": "Поиск методанных в процессе... Клик удалит этот торрент."
+        "Serching metadata in progress... Click will delete this torrent.": "Поиск методанных в процессе... Клик удалит этот торрент.",
+        "Pause torrent downloading": "Пауза скачки торрента"
     }
 }

translations/ua.json

@@ -174,6 +174,7 @@
         "Open torrent in external torrent client": "Open torrent in external torrent client",
         "Dont start to seed torrent after download finish": "Dont start to seed torrent after download finish",
         "Delete download (files saved)": "Delete download (files saved)",
-        "Serching metadata in progress... Click will delete this torrent.": "Serching metadata in progress... Click will delete this torrent."
+        "Serching metadata in progress... Click will delete this torrent.": "Serching metadata in progress... Click will delete this torrent.",
+        "Pause torrent downloading": "Pause torrent downloading"
     }
 }