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* Copyright 2010, The Android Open Source Project
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* Copyright (C) 2012 Samsung Electronics. All rights reserved.
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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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* 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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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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#include "DeviceController.h"
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#include "DeviceClient.h"
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DeviceController::DeviceController(DeviceClient* client)
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, m_timer(this, &DeviceController::fireDeviceEvent)
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void DeviceController::addDeviceEventListener(DOMWindow* window)
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bool wasEmpty = m_listeners.isEmpty();
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m_listeners.add(window);
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m_lastEventListeners.add(window);
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if (!m_timer.isActive())
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m_timer.startOneShot(0);
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m_client->startUpdating();
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void DeviceController::removeDeviceEventListener(DOMWindow* window)
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m_listeners.remove(window);
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m_lastEventListeners.remove(window);
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if (m_listeners.isEmpty())
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m_client->stopUpdating();
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void DeviceController::removeAllDeviceEventListeners(DOMWindow* window)
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m_listeners.removeAll(window);
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m_lastEventListeners.removeAll(window);
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if (m_listeners.isEmpty())
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m_client->stopUpdating();
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void DeviceController::dispatchDeviceEvent(PassRefPtr<Event> event)
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Vector<RefPtr<DOMWindow> > listenerVector;
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copyToVector(m_listeners, listenerVector);
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for (size_t i = 0; i < listenerVector.size(); ++i) {
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if (listenerVector[i]->document()
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&& !listenerVector[i]->document()->activeDOMObjectsAreSuspended()
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&& !listenerVector[i]->document()->activeDOMObjectsAreStopped())
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listenerVector[i]->dispatchEvent(event);
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void DeviceController::fireDeviceEvent(Timer<DeviceController>* timer)
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ASSERT_UNUSED(timer, timer == &m_timer);
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ASSERT(hasLastData());
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Vector<RefPtr<DOMWindow> > listenerVector;
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copyToVector(m_lastEventListeners, listenerVector);
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m_lastEventListeners.clear();
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for (size_t i = 0; i < listenerVector.size(); ++i) {
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if (listenerVector[i]->document()
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&& !listenerVector[i]->document()->activeDOMObjectsAreSuspended()
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&& !listenerVector[i]->document()->activeDOMObjectsAreStopped())
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listenerVector[i]->dispatchEvent(getLastEvent());
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} // namespace WebCore