Added app suspension inhibitors when music is playing. fixes #257

src/features/idleInhibitor/idleInhibitor.ts

@@ -0,0 +1,65 @@
+import { PowerSaveBlocker, powerSaveBlocker } from "electron";
+import { Logger } from "../logger";
+
+/**
+ * Start blocking idle/screen timeouts
+ * @param blocker optional instance of the powerSaveBlocker to use
+ * @returns id of current block
+ */
+export const acquireInhibitor = (blocker?: PowerSaveBlocker): number => {
+  const currentBlocker = blocker ?? powerSaveBlocker;
+  const blockId = currentBlocker.start("prevent-app-suspension");
+  Logger.log(`Started preventing app suspension with id: ${blockId}`);
+  return blockId;
+};
+
+/**
+ * Check whether there is a blocker active for the current id, if not start it.
+ * @param id id of inhibitor you want to check activity against
+ * @param blocker optional instance of the powerSaveBlocker to use
+ */
+export const acquireInhibitorIfInactive = (id: number, blocker?: PowerSaveBlocker): number => {
+  const currentBlocker = blocker ?? powerSaveBlocker;
+  if (!isInhibitorActive(id, currentBlocker)) {
+    return acquireInhibitor();
+  }
+
+  return id;
+};
+
+/**
+ * stop blocking idle/screen timeouts
+ * @param id id of inhibitor you want to check activity against
+ * @param blocker optional instance of the powerSaveBlocker to use
+ */
+export const releaseInhibitor = (id: number, blocker?: PowerSaveBlocker) => {
+  try {
+    const currentBlocker = blocker ?? powerSaveBlocker;
+    currentBlocker.stop(id);
+    Logger.log(`Released inhibitor with id: ${id}`);
+  } catch (error) {
+    Logger.log("Releasing inhibitor failed");
+  }
+};
+
+/**
+ * stop blocking idle/screen timeouts if a inhibitor is active
+ * @param id id of inhibitor you want to check activity against
+ * @param blocker optional instance of the powerSaveBlocker to use
+ */
+export const releaseInhibitorIfActive = (id: number, blocker?: PowerSaveBlocker) => {
+  const currentBlocker = blocker ?? powerSaveBlocker;
+  if (isInhibitorActive(id, currentBlocker)) {
+    releaseInhibitor(id, currentBlocker);
+  }
+};
+
+/**
+ * check whether the inhibitor is active
+ * @param id id of inhibitor you want to check activity against
+ * @param blocker optional instance of the powerSaveBlocker to use
+ */
+export const isInhibitorActive = (id: number, blocker?: PowerSaveBlocker) => {
+  const currentBlocker = blocker ?? powerSaveBlocker;
+  return currentBlocker.isStarted(id);
+};

src/features/logger.ts

@@ -1,4 +1,4 @@
-import { IpcMain, ipcRenderer, ipcMain } from "electron";
+import { IpcMain, ipcMain, IpcMainEvent, ipcRenderer } from "electron";
 import { globalEvents } from "../constants/globalEvents";
 
 export class Logger {
@@ -7,10 +7,13 @@ export class Logger {
    * @param ipcMain main thread IPC client so we can subscribe to events
    */
   public static watch(ipcMain: IpcMain) {
-    ipcMain.on(globalEvents.log, (event, message) => {
-      const { content, object } = message;
-      this.logToSTDOut(content, object);
-    });
+    ipcMain.on(
+      globalEvents.log,
+      (event: IpcMainEvent | { content: string; message: string }, message) => {
+        const { content, object } = message ?? event;
+        this.logToSTDOut(content, object);
+      }
+    );
   }
   /**
    * Log content to STDOut
@@ -23,7 +26,6 @@ export class Logger {
     } else {
       ipcMain.emit(globalEvents.log, { content, object });
     }
-    this.logToSTDOut(content, object);
   }
 
   /**