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-rw-r--r--fpdfsdk/javascript/JS_Object.cpp29
1 files changed, 19 insertions, 10 deletions
diff --git a/fpdfsdk/javascript/JS_Object.cpp b/fpdfsdk/javascript/JS_Object.cpp
index b0a307beb1..9ec316303d 100644
--- a/fpdfsdk/javascript/JS_Object.cpp
+++ b/fpdfsdk/javascript/JS_Object.cpp
@@ -115,16 +115,25 @@ void CJS_Timer::KillJSTimer() {
// static
void CJS_Timer::TimerProc(int idEvent) {
- const auto it = GetGlobalTimerMap()->find(idEvent);
- if (it != GetGlobalTimerMap()->end()) {
- CJS_Timer* pTimer = it->second;
- if (!pTimer->m_bProcessing) {
- CFX_AutoRestorer<bool> scoped_processing(&pTimer->m_bProcessing);
- pTimer->m_bProcessing = true;
- if (pTimer->m_pEmbedObj)
- pTimer->m_pEmbedObj->TimerProc(pTimer);
- }
- }
+ auto it = GetGlobalTimerMap()->find(idEvent);
+ if (it == GetGlobalTimerMap()->end())
+ return;
+
+ CJS_Timer* pTimer = it->second;
+ if (pTimer->m_bProcessing)
+ return;
+
+ pTimer->m_bProcessing = true;
+ if (pTimer->m_pEmbedObj)
+ pTimer->m_pEmbedObj->TimerProc(pTimer);
+
+ // Timer proc may have destroyed timer, find it again.
+ it = GetGlobalTimerMap()->find(idEvent);
+ if (it == GetGlobalTimerMap()->end())
+ return;
+
+ pTimer = it->second;
+ pTimer->m_bProcessing = false;
}
// static