void JavaScriptDebugServer::pauseIfNeeded(Page* page)
{
if (m_paused)
return;
if (!page || !hasListenersInterestedInPage(page))
return;
bool pauseNow = m_pauseOnNextStatement;
pauseNow |= (m_pauseOnCallFrame == m_currentCallFrame);
pauseNow |= (m_currentCallFrame->line() > 0 && hasBreakpoint(m_currentCallFrame->sourceIdentifier(), m_currentCallFrame->line()));
if (!pauseNow)
return;
m_pauseOnCallFrame = 0;
m_pauseOnNextStatement = false;
m_paused = true;
dispatchFunctionToListeners(&JavaScriptDebugListener::didPause, page);
setJavaScriptPaused(page->group(), true);
TimerBase::fireTimersInNestedEventLoop();
EventLoop loop;
m_doneProcessingDebuggerEvents = false;
while (!m_doneProcessingDebuggerEvents && !loop.ended())
loop.cycle();
setJavaScriptPaused(page->group(), false);
m_paused = false;
}
void PageScriptDebugServer::setJavaScriptPaused(const PageGroup& pageGroup, bool paused)
{
setMainThreadCallbacksPaused(paused);
for (auto& page : pageGroup.pages())
setJavaScriptPaused(page, paused);
}
void JavaScriptDebugServer::setJavaScriptPaused(Page* page, bool paused)
{
ASSERT_ARG(page, page);
page->setDefersLoading(paused);
for (Frame* frame = page->mainFrame(); frame; frame = frame->tree()->traverseNext())
setJavaScriptPaused(frame, paused);
}
void JavaScriptDebugServer::setJavaScriptPaused(const PageGroup& pageGroup, bool paused)
{
setMainThreadCallbacksPaused(paused);
const HashSet<Page*>& pages = pageGroup.pages();
HashSet<Page*>::const_iterator end = pages.end();
for (HashSet<Page*>::const_iterator it = pages.begin(); it != end; ++it)
setJavaScriptPaused(*it, paused);
}
void PageScriptDebugServer::setJavaScriptPaused(Page* page, bool paused)
{
ASSERT_ARG(page, page);
page->setDefersLoading(paused);
for (Frame* frame = &page->mainFrame(); frame; frame = frame->tree().traverseNext())
setJavaScriptPaused(frame, paused);
if (InspectorFrontendClient* frontendClient = page->inspectorController().inspectorFrontendClient()) {
if (paused)
frontendClient->pagePaused();
else
frontendClient->pageUnpaused();
}
}
void PageScriptDebugServer::setJavaScriptPaused(Frame* frame, bool paused)
{
ASSERT_ARG(frame, frame);
if (!frame->script().canExecuteScripts(NotAboutToExecuteScript))
return;
frame->script().setPaused(paused);
Document* document = frame->document();
if (paused) {
document->suspendScriptedAnimationControllerCallbacks();
document->suspendActiveDOMObjects(ActiveDOMObject::JavaScriptDebuggerPaused);
} else {
document->resumeActiveDOMObjects(ActiveDOMObject::JavaScriptDebuggerPaused);
document->resumeScriptedAnimationControllerCallbacks();
}
setJavaScriptPaused(frame->view(), paused);
}
void JavaScriptDebugServer::setJavaScriptPaused(Frame* frame, bool paused)
{
ASSERT_ARG(frame, frame);
if (!frame->script()->isEnabled())
return;
frame->script()->setPaused(paused);
if (JSDOMWindow* window = toJSDOMWindow(frame)) {
if (paused) {
OwnPtr<PausedTimeouts> timeouts;
window->pauseTimeouts(timeouts);
m_pausedTimeouts.set(frame, timeouts.release());
} else {
OwnPtr<PausedTimeouts> timeouts(m_pausedTimeouts.take(frame));
window->resumeTimeouts(timeouts);
}
}
setJavaScriptPaused(frame->view(), paused);
}
void PageScriptDebugServer::didContinue(JSGlobalObject*)
{
setJavaScriptPaused(m_page.group(), false);
}
void PageScriptDebugServer::didPause(JSGlobalObject*)
{
setJavaScriptPaused(m_page.group(), true);
}