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fc451b47eb
This CL remove the body of Sky's TraceEvent.h in favor of the version in base. There's still some more of the system to unwind before we can remove all the other boilerplate. R=eseidel@chromium.org Review URL: https://codereview.chromium.org/691663002
132 lines
4.0 KiB
C++
132 lines
4.0 KiB
C++
/*
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* Copyright (C) 2012 Victor Carbune (victor@rosedu.org)
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "core/events/GenericEventQueue.h"
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#include "core/events/Event.h"
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#include "platform/TraceEvent.h"
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namespace blink {
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PassOwnPtr<GenericEventQueue> GenericEventQueue::create(EventTarget* owner)
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{
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return adoptPtr(new GenericEventQueue(owner));
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}
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GenericEventQueue::GenericEventQueue(EventTarget* owner)
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: m_owner(owner)
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, m_timer(this, &GenericEventQueue::timerFired)
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, m_isClosed(false)
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{
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}
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GenericEventQueue::~GenericEventQueue()
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{
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}
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void GenericEventQueue::trace(Visitor* visitor)
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{
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visitor->trace(m_owner);
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visitor->trace(m_pendingEvents);
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EventQueue::trace(visitor);
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}
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bool GenericEventQueue::enqueueEvent(PassRefPtr<Event> event)
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{
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if (m_isClosed)
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return false;
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if (event->target() == m_owner)
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event->setTarget(nullptr);
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TRACE_EVENT_ASYNC_BEGIN1("event", "GenericEventQueue:enqueueEvent", event.get(), "type", event->type().ascii().data());
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m_pendingEvents.append(event);
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if (!m_timer.isActive())
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m_timer.startOneShot(0, FROM_HERE);
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return true;
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}
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bool GenericEventQueue::cancelEvent(Event* event)
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{
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bool found = m_pendingEvents.contains(event);
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if (found) {
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m_pendingEvents.remove(m_pendingEvents.find(event));
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TRACE_EVENT_ASYNC_END2("event", "GenericEventQueue:enqueueEvent", event, "type", event->type().ascii().data(), "status", "cancelled");
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}
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if (m_pendingEvents.isEmpty())
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m_timer.stop();
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return found;
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}
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void GenericEventQueue::timerFired(Timer<GenericEventQueue>*)
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{
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ASSERT(!m_timer.isActive());
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ASSERT(!m_pendingEvents.isEmpty());
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Vector<RefPtr<Event> > pendingEvents;
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m_pendingEvents.swap(pendingEvents);
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RefPtr<EventTarget> protect(m_owner.get());
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for (size_t i = 0; i < pendingEvents.size(); ++i) {
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Event* event = pendingEvents[i].get();
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EventTarget* target = event->target() ? event->target() : m_owner.get();
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CString type(event->type().ascii());
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TRACE_EVENT_ASYNC_STEP_INTO1("event", "GenericEventQueue:enqueueEvent", event, "dispatch", "type", type.data());
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target->dispatchEvent(pendingEvents[i]);
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TRACE_EVENT_ASYNC_END1("event", "GenericEventQueue:enqueueEvent", event, "type", type.data());
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}
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}
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void GenericEventQueue::close()
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{
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m_isClosed = true;
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cancelAllEvents();
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}
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void GenericEventQueue::cancelAllEvents()
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{
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m_timer.stop();
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for (size_t i = 0; i < m_pendingEvents.size(); ++i) {
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Event* event = m_pendingEvents[i].get();
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TRACE_EVENT_ASYNC_END2("event", "GenericEventQueue:enqueueEvent", event, "type", event->type().ascii().data(), "status", "cancelled");
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}
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m_pendingEvents.clear();
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}
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bool GenericEventQueue::hasPendingEvents() const
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{
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return m_pendingEvents.size();
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}
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}
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