PageScriptDebugServer.cpp [plain text]
#include "config.h"
#if ENABLE(JAVASCRIPT_DEBUGGER)
#include "PageScriptDebugServer.h"
#include "EventLoop.h"
#include "Frame.h"
#include "FrameView.h"
#include "JSDOMWindowCustom.h"
#include "Page.h"
#include "PageGroup.h"
#include "PluginView.h"
#include "ScriptController.h"
#include "ScriptDebugListener.h"
#include "Widget.h"
#include <runtime/JSLock.h>
#include <wtf/MainThread.h>
#include <wtf/OwnPtr.h>
#include <wtf/PassOwnPtr.h>
#include <wtf/StdLibExtras.h>
using namespace JSC;
namespace WebCore {
static Page* toPage(JSGlobalObject* globalObject)
{
ASSERT_ARG(globalObject, globalObject);
JSDOMWindow* window = asJSDOMWindow(globalObject);
Frame* frame = window->impl()->frame();
return frame ? frame->page() : 0;
}
PageScriptDebugServer& PageScriptDebugServer::shared()
{
DEFINE_STATIC_LOCAL(PageScriptDebugServer, server, ());
return server;
}
PageScriptDebugServer::PageScriptDebugServer()
: ScriptDebugServer()
, m_pausedPage(0)
{
}
PageScriptDebugServer::~PageScriptDebugServer()
{
}
void PageScriptDebugServer::addListener(ScriptDebugListener* listener, Page* page)
{
ASSERT_ARG(listener, listener);
ASSERT_ARG(page, page);
OwnPtr<ListenerSet>& listeners = m_pageListenersMap.add(page, nullptr).iterator->value;
if (!listeners)
listeners = adoptPtr(new ListenerSet);
listeners->add(listener);
recompileAllJSFunctionsSoon();
page->setDebugger(this);
}
void PageScriptDebugServer::removeListener(ScriptDebugListener* listener, Page* page)
{
ASSERT_ARG(listener, listener);
ASSERT_ARG(page, page);
PageListenersMap::iterator it = m_pageListenersMap.find(page);
if (it == m_pageListenersMap.end())
return;
ListenerSet* listeners = it->value.get();
listeners->remove(listener);
if (listeners->isEmpty()) {
m_pageListenersMap.remove(it);
didRemoveLastListener(page);
}
}
void PageScriptDebugServer::recompileAllJSFunctions(Timer<ScriptDebugServer>*)
{
JSLockHolder lock(JSDOMWindow::commonVM());
if (JSDOMWindow::commonVM()->dynamicGlobalObject)
recompileAllJSFunctionsSoon();
else
Debugger::recompileAllJSFunctions(JSDOMWindow::commonVM());
}
ScriptDebugServer::ListenerSet* PageScriptDebugServer::getListenersForGlobalObject(JSGlobalObject* globalObject)
{
Page* page = toPage(globalObject);
if (!page)
return 0;
return m_pageListenersMap.get(page);
}
void PageScriptDebugServer::didPause(JSC::JSGlobalObject* globalObject)
{
ASSERT(!m_pausedPage);
Page* page = toPage(globalObject);
ASSERT(page);
if (!page)
return;
m_pausedPage = page;
setJavaScriptPaused(page->group(), true);
}
void PageScriptDebugServer::didContinue(JSC::JSGlobalObject* globalObject)
{
Page* page = toPage(globalObject);
ASSERT(!page || page == m_pausedPage);
m_pausedPage = 0;
if (page)
setJavaScriptPaused(page->group(), false);
}
void PageScriptDebugServer::didRemoveLastListener(Page* page)
{
ASSERT(page);
if (m_pausedPage == page)
m_doneProcessingDebuggerEvents = true;
recompileAllJSFunctionsSoon();
page->setDebugger(0);
}
void PageScriptDebugServer::runEventLoopWhilePaused()
{
EventLoop loop;
while (!m_doneProcessingDebuggerEvents && !loop.ended())
loop.cycle();
}
void PageScriptDebugServer::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);
}
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 PageScriptDebugServer::setJavaScriptPaused(FrameView* view, bool paused)
{
if (!view)
return;
const HashSet<RefPtr<Widget> >* children = view->children();
ASSERT(children);
HashSet<RefPtr<Widget> >::const_iterator end = children->end();
for (HashSet<RefPtr<Widget> >::const_iterator it = children->begin(); it != end; ++it) {
Widget* widget = (*it).get();
if (!widget->isPluginView())
continue;
toPluginView(widget)->setJavaScriptPaused(paused);
}
}
}
#endif // ENABLE(JAVASCRIPT_DEBUGGER)