1 files changed, 55 insertions, 0 deletions
diff --git a/dom/plugins/ipc/ChildTimer.h b/dom/plugins/ipc/ChildTimer.h
new file mode 100644
index 0000000000..8b9ff72ded
--- /dev/null
+++ b/dom/plugins/ipc/ChildTimer.h
@@ -0,0 +1,55 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=8 et :
+ */
+/* 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 mozilla_plugins_ChildTimer_h
+#define mozilla_plugins_ChildTimer_h
+
+#include "PluginMessageUtils.h"
+#include "npapi.h"
+#include "base/timer.h"
+#include "mozilla/UniquePtr.h"
+
+namespace mozilla {
+namespace plugins {
+
+class PluginInstanceChild;
+typedef void (*TimerFunc)(NPP npp, uint32_t timerID);
+
+class ChildTimer {
+ public:
+  /**
+   * If initialization failed, ID() will return 0.
+   */
+  ChildTimer(PluginInstanceChild* instance, uint32_t interval, bool repeat,
+             TimerFunc func);
+  ~ChildTimer() = default;
+
+  uint32_t ID() const { return mID; }
+
+  class IDComparator {
+   public:
+    bool Equals(const UniquePtr<ChildTimer>& t, uint32_t id) const {
+      return t->ID() == id;
+    }
+  };
+
+ private:
+  PluginInstanceChild* mInstance;
+  TimerFunc mFunc;
+  bool mRepeating;
+  uint32_t mID;
+  base::RepeatingTimer<ChildTimer> mTimer;
+
+  void Run();
+
+  static uint32_t gNextTimerID;
+};
+
+}  // namespace plugins
+}  // namespace mozilla
+
+#endif  // mozilla_plugins_ChildTimer_h