feat: mpris support (#1279)

* feat: mpris support

* fix: 修复网页版无法播放

* fix: 修复在 Player.js 里 ipcRenderer 为空时引发的错误

* docs: update README

* docs: update README

Co-authored-by: memorydream <34763046+memorydream@users.noreply.github.com>

src/electron/mpris.js

@@ -0,0 +1,62 @@
+import { ipcMain, app } from 'electron';
+
+export function createMpris(window) {
+  const Player = require('mpris-service');
+  const renderer = window.webContents;
+
+  const player = Player({
+    name: 'yesplaymusic',
+    identity: 'YesPlayMusic',
+  });
+
+  player.on('next', () => renderer.send('next'));
+  player.on('previous', () => renderer.send('previous'));
+  player.on('playpause', () => renderer.send('play'));
+  player.on('play', () => renderer.send('play'));
+  player.on('pause', () => renderer.send('play'));
+  player.on('quit', () => app.exit());
+  player.on('position', args =>
+    renderer.send('setPosition', args.position / 1000 / 1000)
+  );
+  player.on('loopStatus', () => renderer.send('repeat'));
+  player.on('shuffle', () => renderer.send('shuffle'));
+
+  ipcMain.on('player', (e, { playing }) => {
+    player.playbackStatus = playing
+      ? Player.PLAYBACK_STATUS_PLAYING
+      : Player.PLAYBACK_STATUS_PAUSED;
+  });
+
+  ipcMain.on('metadata', (e, metadata) => {
+    player.metadata = {
+      'mpris:trackid': player.objectPath('track/' + metadata.trackId),
+      'mpris:artUrl': metadata.artwork[0].src,
+      'mpris:length': metadata.length * 1000 * 1000,
+      'xesam:title': metadata.title,
+      'xesam:album': metadata.album,
+      'xesam:artist': metadata.artist.split(','),
+    };
+  });
+
+  ipcMain.on('playerCurrentTrackTime', (e, position) => {
+    player.getPosition = () => position * 1000 * 1000;
+  });
+
+  ipcMain.on('switchRepeatMode', (e, mode) => {
+    switch (mode) {
+      case 'off':
+        player.loopStatus = Player.LOOP_STATUS_NONE;
+        break;
+      case 'one':
+        player.loopStatus = Player.LOOP_STATUS_TRACK;
+        break;
+      case 'on':
+        player.loopStatus = Player.LOOP_STATUS_PLAYLIST;
+        break;
+    }
+  });
+
+  ipcMain.on('switchShuffle', (e, shuffle) => {
+    player.shuffle = shuffle;
+  });
+}