Add first version

[ric-plt/sdl.git] / src / timer.cpp

diff --git a/src/timer.cpp b/src/timer.cpp
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+++ b/src/timer.cpp
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+/*
+   Copyright (c) 2018-2019 Nokia.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+#include "private/timer.hpp"
+#include "private/engine.hpp"
+#include "private/abort.hpp"
+
+using namespace shareddatalayer;
+
+Timer::Timer(Engine& engine):
+    engine(engine),
+    armed(false)
+{
+}
+
+Timer::~Timer()
+{
+    disarm();
+}
+
+void Timer::arm(const Duration& duration, const Callback& cb)
+{
+    if (!cb)
+        SHAREDDATALAYER_ABORT("Timer::arm: a null callback");
+
+    disarm();
+    engine.armTimer(*this, duration, [this, cb] () { armed = false; cb(); });
+    armed = true;
+}
+
+void Timer::disarm()
+{
+    if (!armed)
+        return;
+
+    engine.disarmTimer(*this);
+    armed = false;
+}