feat: support suspend/resume on macOS (electron#24293)

trop[bot] · codebytere · web-flow · commit d8de43f53481 · 2020-06-29T09:06:00.000-07:00
Co-authored-by: Shelley Vohr &lt;shelley.vohr@gmail.com&gt;
diff --git a/shell/browser/api/electron_api_power_monitor_mac.mm b/shell/browser/api/electron_api_power_monitor_mac.mm
@@ -32,6 +32,21 @@ - (id)init {
                    selector:@selector(onScreenUnlocked:)
                        name:@"com.apple.screenIsUnlocked"
                      object:nil];
+
+    // A notification that the workspace posts before the machine goes to sleep.
+    [[[NSWorkspace sharedWorkspace] notificationCenter]
+        addObserver:self
+           selector:@selector(isSuspending:)
+               name:NSWorkspaceWillSleepNotification
+             object:nil];
+
+    // A notification that the workspace posts when the machine wakes from
+    // sleep.
+    [[[NSWorkspace sharedWorkspace] notificationCenter]
+        addObserver:self
+           selector:@selector(isResuming:)
+               name:NSWorkspaceDidWakeNotification
+             object:nil];
   }
   return self;
 }
@@ -45,14 +60,26 @@ - (void)addEmitter:(electron::api::PowerMonitor*)monitor_ {
   self->emitters.push_back(monitor_);
 }
 
+- (void)isSuspending:(NSNotification*)notify {
+  for (auto* emitter : self->emitters) {
+    emitter->Emit("suspend");
+  }
+}
+
+- (void)isResuming:(NSNotification*)notify {
+  for (auto* emitter : self->emitters) {
+    emitter->Emit("resume");
+  }
+}
+
 - (void)onScreenLocked:(NSNotification*)notification {
-  for (auto*& emitter : self->emitters) {
+  for (auto* emitter : self->emitters) {
     emitter->Emit("lock-screen");
   }
 }
 
 - (void)onScreenUnlocked:(NSNotification*)notification {
-  for (auto*& emitter : self->emitters) {
+  for (auto* emitter : self->emitters) {
     emitter->Emit("unlock-screen");
   }
 }
