Call window.shutdown when native window is closed

The root view will now be serialized and saved to local
storage when the window is closed or the application is
terminated.

native/atom_application.mm

@@ -168,6 +168,11 @@
 }
 
 - (void)applicationWillTerminate:(NSNotification *)notification {
+  NSInteger windowCount = [[self windows] count];
+  for(int i = 0; i < windowCount; i++) {
+    NSWindow *window = [[self windows] objectAtIndex:i];
+    [window performClose:0];
+  }
   CefShutdown();
 }
 

native/atom_cef_render_process_handler.h

@@ -14,9 +14,8 @@ class AtomCefRenderProcessHandler : public CefRenderProcessHandler {
                                        CefProcessId source_process,
                                        CefRefPtr<CefProcessMessage> message) OVERRIDE;
   
-  
-  
   void Reload(CefRefPtr<CefBrowser> browser);
+  void Shutdown(CefRefPtr<CefBrowser> browser);
   bool CallMessageReceivedHandler(CefRefPtr<CefV8Context> context, CefRefPtr<CefProcessMessage> message);
 
   IMPLEMENT_REFCOUNTING(AtomCefRenderProcessHandler);

native/atom_cef_render_process_handler.mm

@@ -27,6 +27,10 @@ bool AtomCefRenderProcessHandler::OnProcessMessageReceived(CefRefPtr<CefBrowser>
     Reload(browser);
     return true;
   }
+  else if (name == "shutdown") {
+      Shutdown(browser);
+      return true;
+  }
   else {
     return CallMessageReceivedHandler(browser->GetMainFrame()->GetV8Context(), message);
   }
@@ -47,6 +51,17 @@ void AtomCefRenderProcessHandler::Reload(CefRefPtr<CefBrowser> browser) {
   context->Exit();
 }
 
+void AtomCefRenderProcessHandler::Shutdown(CefRefPtr<CefBrowser> browser) {
+    CefRefPtr<CefV8Context> context = browser->GetMainFrame()->GetV8Context();
+    CefRefPtr<CefV8Value> global = context->GetGlobal();
+
+    context->Enter();
+    CefV8ValueList arguments;
+    CefRefPtr<CefV8Value> shutdownFunction = global->GetValue("shutdown");
+    shutdownFunction->ExecuteFunction(global, arguments);
+    context->Exit();
+}
+
 bool AtomCefRenderProcessHandler::CallMessageReceivedHandler(CefRefPtr<CefV8Context> context, CefRefPtr<CefProcessMessage> message) {
   context->Enter();
   

native/atom_window_controller.mm

@@ -143,8 +143,14 @@
   }
 }
 
-- (BOOL)windowShouldClose:(id)window {
+- (void)windowWillClose:(NSNotification *)notification {
+  if (_cefClient && _cefClient->GetBrowser()) {
+    _cefClient->GetBrowser()->SendProcessMessage(PID_RENDERER, CefProcessMessage::Create("shutdown"));
+  }
   [self autorelease];
+}
+
+- (BOOL)windowShouldClose:(id)window {
   return YES;
 }