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32 #include "bindings/core/v8/V8GCForContextDispose.h"
34 #include "bindings/core/v8/V8PerIsolateData.h"
35 #include "wtf/CurrentTime.h"
36 #include "wtf/StdLibExtras.h"
41 V8GCForContextDispose::V8GCForContextDispose()
42 : m_pseudoIdleTimer(this, &V8GCForContextDispose::pseudoIdleTimerFired)
47 void V8GCForContextDispose::notifyContextDisposed(bool isMainFrame)
49 m_didDisposeContextForMainFrame = isMainFrame;
50 m_lastContextDisposalTime = WTF::currentTime();
51 V8PerIsolateData::mainThreadIsolate()->ContextDisposedNotification();
52 if (m_pseudoIdleTimer.isActive())
53 m_pseudoIdleTimer.stop();
56 void V8GCForContextDispose::notifyIdle()
58 double maxTimeSinceLastContextDisposal = .2;
59 if (!m_didDisposeContextForMainFrame && !m_pseudoIdleTimer.isActive() && m_lastContextDisposalTime + maxTimeSinceLastContextDisposal >= WTF::currentTime()) {
60 m_pseudoIdleTimer.startOneShot(0, FROM_HERE);
64 V8GCForContextDispose& V8GCForContextDispose::instance()
66 DEFINE_STATIC_LOCAL(V8GCForContextDispose, staticInstance, ());
67 return staticInstance;
70 void V8GCForContextDispose::pseudoIdleTimerFired(Timer<V8GCForContextDispose>*)
72 V8PerIsolateData::mainThreadIsolate()->IdleNotification(0);
76 void V8GCForContextDispose::reset()
78 m_didDisposeContextForMainFrame = false;
79 m_lastContextDisposalTime = -1;