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1 files changed, 69 insertions, 0 deletions

diff --git a/include/cru/platform/gui/TimerHelper.hpp b/include/cru/platform/gui/TimerHelper.hpp
new file mode 100644
index 00000000..a61d2f04
--- /dev/null
+++ b/include/cru/platform/gui/TimerHelper.hpp
@@ -0,0 +1,69 @@
+#pragma once
+#include "UiApplication.hpp"
+
+namespace cru::platform::gui {
+
+class TimerAutoCanceler {
+ public:
+  TimerAutoCanceler() : id_(0) {}
+  explicit TimerAutoCanceler(long long id) : id_(id) {}
+
+  CRU_DELETE_COPY(TimerAutoCanceler)
+
+  TimerAutoCanceler(TimerAutoCanceler&& other) : id_(other.id_) {
+    other.id_ = 0;
+  }
+
+  TimerAutoCanceler& operator=(TimerAutoCanceler&& other) {
+    if (&other == this) {
+      return *this;
+    }
+    Reset(other.id_);
+    other.id_ = 0;
+    return *this;
+  }
+
+  TimerAutoCanceler& operator=(long long other) {
+    return this->operator=(TimerAutoCanceler(other));
+  }
+
+  ~TimerAutoCanceler() { Reset(); }
+
+  long long Release() {
+    auto temp = id_;
+    id_ = 0;
+    return temp;
+  }
+
+  void Reset(long long id = 0) {
+    if (id_ > 0) IUiApplication::GetInstance()->CancelTimer(id_);
+    id_ = id;
+  }
+
+  explicit operator bool() const { return id_; }
+
+ private:
+  long long id_;
+};
+
+class TimerListAutoCanceler {
+ public:
+  TimerListAutoCanceler() = default;
+  CRU_DELETE_COPY(TimerListAutoCanceler)
+  CRU_DEFAULT_MOVE(TimerListAutoCanceler)
+  ~TimerListAutoCanceler() = default;
+
+  TimerListAutoCanceler& operator+=(long long id) {
+    list_.push_back(TimerAutoCanceler(id));
+    return *this;
+  }
+
+  void Clear() { list_.clear(); }
+
+  bool IsEmpty() const { return list_.empty(); }
+
+ private:
+  std::vector<TimerAutoCanceler> list_;
+};
+
+}  // namespace cru::platform::gui