feat: support suspend/resume on Windows (#24283)

Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>
electron · Jun 29, 2020 · 7607227 · 7607227
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commit 7607227
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diff --git a/docs/api/power-monitor.md b/docs/api/power-monitor.md
@@ -24,11 +24,11 @@ app.whenReady().then(() => {
 
 The `powerMonitor` module emits the following events:
 
-### Event: 'suspend'
+### Event: 'suspend' _Linux_ _Windows_
 
 Emitted when the system is suspending.
 
-### Event: 'resume'
+### Event: 'resume' _Linux_ _Windows_
 
 Emitted when system is resuming.
 

diff --git a/shell/browser/api/electron_api_power_monitor_win.cc b/shell/browser/api/electron_api_power_monitor_win.cc
@@ -73,6 +73,12 @@ LRESULT CALLBACK PowerMonitor::WndProc(HWND hwnd,
         Emit("unlock-screen");
       }
     }
+  } else if (message == WM_POWERBROADCAST) {
+    if (wparam == PBT_APMRESUMEAUTOMATIC) {
+      Emit("resume");
+    } else if (wparam == PBT_APMSUSPEND) {
+      Emit("suspend");
+    }
   }
   return ::DefWindowProc(hwnd, message, wparam, lparam);
 }