1 files changed, 78 insertions, 0 deletions
diff --git a/widget/gtk/nsUserIdleServiceGTK.h b/widget/gtk/nsUserIdleServiceGTK.h
new file mode 100644
index 0000000000..1a5ed97840
--- /dev/null
+++ b/widget/gtk/nsUserIdleServiceGTK.h
@@ -0,0 +1,78 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=4:tabstop=4:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsUserIdleServiceGTK_h__
+#define nsUserIdleServiceGTK_h__
+
+#include "nsUserIdleService.h"
+#include "mozilla/AppShutdown.h"
+#include "mozilla/UniquePtr.h"
+
+class nsUserIdleServiceGTK;
+
+class UserIdleServiceImpl {
+ public:
+  explicit UserIdleServiceImpl(nsUserIdleServiceGTK* aUserIdleService)
+      : mUserIdleServiceGTK(aUserIdleService){};
+
+  virtual bool PollIdleTime(uint32_t* aIdleTime) = 0;
+  virtual bool ProbeImplementation() = 0;
+
+  virtual ~UserIdleServiceImpl() = default;
+
+ protected:
+  nsUserIdleServiceGTK* mUserIdleServiceGTK;
+};
+
+#define IDLE_SERVICE_MUTTER 0
+#define IDLE_SERVICE_XSCREENSAVER 1
+#define IDLE_SERVICE_NONE 2
+
+class nsUserIdleServiceGTK : public nsUserIdleService {
+ public:
+  NS_INLINE_DECL_REFCOUNTING_INHERITED(nsUserIdleServiceGTK, nsUserIdleService)
+
+  // The idle time in ms
+  virtual bool PollIdleTime(uint32_t* aIdleTime) override;
+
+  static already_AddRefed<nsUserIdleServiceGTK> GetInstance() {
+    RefPtr<nsUserIdleServiceGTK> idleService =
+        nsUserIdleService::GetInstance().downcast<nsUserIdleServiceGTK>();
+    if (!idleService) {
+      // Avoid late instantiation or resurrection during shutdown.
+      if (mozilla::AppShutdown::IsInOrBeyond(
+              mozilla::ShutdownPhase::AppShutdownConfirmed)) {
+        return nullptr;
+      }
+      idleService = new nsUserIdleServiceGTK();
+      idleService->ProbeService();
+    }
+
+    return idleService.forget();
+  }
+
+  void ProbeService();
+  void AcceptServiceCallback();
+  void RejectAndTryNextServiceCallback();
+
+ protected:
+  nsUserIdleServiceGTK() = default;
+
+ private:
+  ~nsUserIdleServiceGTK() = default;
+
+  mozilla::UniquePtr<UserIdleServiceImpl> mIdleService;
+#ifdef MOZ_ENABLE_DBUS
+  int mIdleServiceType = IDLE_SERVICE_MUTTER;
+#else
+  int mIdleServiceType = IDLE_SERVICE_XSCREENSAVER;
+#endif
+  // We have a working idle service.
+  bool mIdleServiceInitialized = false;
+};
+
+#endif  // nsUserIdleServiceGTK_h__