Abstract out AutoDestruct.

3 files changed, 10 insertions, 70 deletions

diff --git a/include/cru/platform/gui/TimerHelper.h b/include/cru/platform/gui/TimerHelper.h
deleted file mode 100644
index 91d436a4..00000000
--- a/include/cru/platform/gui/TimerHelper.h
+++ /dev/null
@@ -1,69 +0,0 @@
-#pragma once
-#include "UiApplication.h"
-
-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
diff --git a/include/cru/platform/gui/UiApplication.h b/include/cru/platform/gui/UiApplication.h
index d15a3c72..84011275 100644
--- a/include/cru/platform/gui/UiApplication.h
+++ b/include/cru/platform/gui/UiApplication.h
@@ -3,6 +3,7 @@
 #include "Menu.h"
 #include "SaveOpenDialogOptions.h"
 
+#include <cru/base/Guard.h>
 #include <cru/platform/graphics/Factory.h>
 
 #include <chrono>
@@ -74,4 +75,12 @@ struct CRU_PLATFORM_GUI_API IUiApplication : public virtual IPlatformResource {
   virtual std::optional<std::vector<std::string>> ShowOpenDialog(
       OpenDialogOptions options);
 };
+
+namespace details {
+inline void CancelTimer(long long id) noexcept {
+  IUiApplication::GetInstance()->CancelTimer(id);
+}
+}  // namespace details
+
+using TimerAutoCanceler = AutoDestruct<long long, details::CancelTimer>;
 }  // namespace cru::platform::gui
diff --git a/include/cru/platform/gui/xcb/Window.h b/include/cru/platform/gui/xcb/Window.h
index 4cb5f6da..293732c5 100644
--- a/include/cru/platform/gui/xcb/Window.h
+++ b/include/cru/platform/gui/xcb/Window.h
@@ -2,7 +2,7 @@
 #pragma once
 #include "Base.h"
 
-#include <cru/platform/gui/TimerHelper.h>
+#include <cru/platform/gui/UiApplication.h>
 #include <cru/platform/gui/Window.h>
 
 #include <cairo.h>