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-rw-r--r--core/fxcrt/include/cfx_observable.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/core/fxcrt/include/cfx_observable.h b/core/fxcrt/include/cfx_observable.h
index b669e0d3d5..99a9951284 100644
--- a/core/fxcrt/include/cfx_observable.h
+++ b/core/fxcrt/include/cfx_observable.h
@@ -45,10 +45,7 @@ class CFX_Observable {
CFX_Observable() {}
CFX_Observable(const CFX_Observable& that) = delete;
- ~CFX_Observable() {
- for (auto* pObserver : m_Observers)
- pObserver->OnDestroy();
- }
+ ~CFX_Observable() { NotifyObservers(); }
void AddObserver(Observer* pObserver) {
ASSERT(!pdfium::ContainsKey(m_Observers, pObserver));
m_Observers.insert(pObserver);
@@ -57,6 +54,11 @@ class CFX_Observable {
ASSERT(pdfium::ContainsKey(m_Observers, pObserver));
m_Observers.erase(pObserver);
}
+ void NotifyObservers() {
+ for (auto* pObserver : m_Observers)
+ pObserver->OnDestroy();
+ m_Observers.clear();
+ }
CFX_Observable& operator=(const CFX_Observable& that) = delete;
private: