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fix memory leak issues of animation destruction

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This commit is contained in:
Jinhao 2020-05-15 02:37:01 +08:00
parent d4453e9535
commit afee7d1ed6
1 changed files with 43 additions and 4 deletions
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47
source/gui/animation.cpp
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@ -392,6 +392,8 @@ namespace nana
double performance_parameter;
};
~performance_manager();
void insert(impl* p);
void set_fps(impl*, std::size_t new_fps);
void close(impl* p);
@ -506,6 +508,17 @@ namespace nana
};//end struct animation::impl
//class animation::performance_manager
animation::performance_manager::~performance_manager()
{
for (auto thr : threads_)
{
if (thr->thread && thr->thread->joinable())
thr->thread->join();
delete thr;
}
}
void animation::performance_manager::insert(impl* p)
{
std::lock_guard<decltype(mutex_)> lock(mutex_);
@ -584,9 +597,18 @@ namespace nana
//There isn't an active frame, then let the thread
//wait for a signal for an active animation
std::unique_lock<std::mutex> lock(thr->mutex);
//Exit the thread if there is not an animation
if (thr->animations.empty())
return;
if (0 == thr->active)
thr->condvar.wait(lock);
//Exit the thread if there is not an animation
if (thr->animations.empty())
return;
//Restart timing for this frame when this thread is waking up.
tmpiece.start();
}
@ -638,11 +660,28 @@ namespace nana
return;
auto thr = *i;
std::lock_guard<decltype(thr->mutex)> privlock(thr->mutex);
auto u = std::find(thr->animations.begin(), thr->animations.end(), p);
if(u != thr->animations.end())
thr->animations.erase(u);
{
std::lock_guard<decltype(thr->mutex)> privlock(thr->mutex);
auto u = std::find(thr->animations.begin(), thr->animations.end(), p);
if (u != thr->animations.end())
thr->animations.erase(u);
//If there is not an animation in the thread, wake up the thread to exit.
//If there is an animation in the thread, set the thr pointer to nullptr to
//avoid exiting the thread
if (thr->animations.empty())
thr->condvar.notify_one();
else
thr = nullptr;
}
threads_.erase(i);
if (thr && thr->thread && thr->thread->joinable())
thr->thread->join();
delete thr;
}
bool animation::performance_manager::empty() const