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authorcrupest <crupest@outlook.com>2018-11-07 21:40:04 +0800
committercrupest <crupest@outlook.com>2018-11-07 21:40:04 +0800
commitefdce672123284847bd7fb6f12ac1ec96f28f3ef (patch)
tree298e6313e9a48c5867b2355242b78d3cd23fdc61 /src/cru_event.h
parent634dab6ad2c9e4675beacfb77ac02b2d43cab132 (diff)
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Make all header *.hpp .
Diffstat (limited to 'src/cru_event.h')
-rw-r--r--src/cru_event.h86
1 files changed, 0 insertions, 86 deletions
diff --git a/src/cru_event.h b/src/cru_event.h
deleted file mode 100644
index 1103cdba..00000000
--- a/src/cru_event.h
+++ /dev/null
@@ -1,86 +0,0 @@
-#pragma once
-
-#include <type_traits>
-#include <functional>
-#include <unordered_map>
-
-#include "base.h"
-
-namespace cru {
- //Base class of all event args.
- class BasicEventArgs : public Object
- {
- public:
- explicit BasicEventArgs(Object* sender)
- : sender_(sender)
- {
-
- }
- BasicEventArgs(const BasicEventArgs& other) = default;
- BasicEventArgs(BasicEventArgs&& other) = default;
- BasicEventArgs& operator=(const BasicEventArgs& other) = default;
- BasicEventArgs& operator=(BasicEventArgs&& other) = default;
- ~BasicEventArgs() override = default;
-
- //Get the sender of the event.
- Object* GetSender() const
- {
- return sender_;
- }
-
- private:
- Object* sender_;
- };
-
-
- //A non-copyable non-movable Event class.
- //It stores a list of event handlers.
- //TArgsType must be subclass of BasicEventArgs.
- template<typename TArgsType>
- class Event
- {
- public:
- static_assert(std::is_base_of_v<BasicEventArgs, TArgsType>,
- "TArgsType must be subclass of BasicEventArgs.");
-
-
- using ArgsType = TArgsType;
- using EventHandler = std::function<void(ArgsType&)>;
- using EventHandlerToken = long;
-
- Event() = default;
- Event(const Event&) = delete;
- Event& operator = (const Event&) = delete;
- Event(Event&&) = delete;
- Event& operator = (Event&&) = delete;
- ~Event() = default;
-
- EventHandlerToken AddHandler(const EventHandler& handler)
- {
- const auto token = current_token_++;
- handlers_.emplace(token, handler);
- return token;
- }
-
- void RemoveHandler(const EventHandlerToken token) {
- auto find_result = handlers_.find(token);
- if (find_result != handlers_.cend())
- handlers_.erase(find_result);
- }
-
- void Raise(ArgsType& args) {
- for (const auto& handler : handlers_)
- (handler.second)(args);
- }
-
- bool IsNoHandler() const
- {
- return handlers_.empty();
- }
-
- private:
- std::unordered_map<EventHandlerToken, EventHandler> handlers_;
-
- EventHandlerToken current_token_ = 0;
- };
-}