103 lines
3.4 KiB
C++
103 lines
3.4 KiB
C++
/*
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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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*
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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 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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*/
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#include "config.h"
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#include "DeviceController.h"
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#include "DeviceClient.h"
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#include "Document.h"
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namespace WebCore {
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DeviceController::DeviceController(DeviceClient& client)
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: m_client(client)
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, m_timer(*this, &DeviceController::fireDeviceEvent)
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{
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}
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void DeviceController::addDeviceEventListener(DOMWindow& window)
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{
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bool wasEmpty = m_listeners.isEmpty();
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m_listeners.add(&window);
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if (hasLastData()) {
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m_lastEventListeners.add(&window);
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if (!m_timer.isActive())
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m_timer.startOneShot(0_s);
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}
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if (wasEmpty)
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m_client.startUpdating();
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}
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void DeviceController::removeDeviceEventListener(DOMWindow& window)
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{
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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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}
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void DeviceController::removeAllDeviceEventListeners(DOMWindow& window)
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{
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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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}
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bool DeviceController::hasDeviceEventListener(DOMWindow& window) const
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{
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return m_listeners.contains(&window);
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}
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void DeviceController::dispatchDeviceEvent(Event& event)
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{
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for (auto& listener : copyToVector(m_listeners.values())) {
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auto document = listener->document();
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if (document && !document->activeDOMObjectsAreSuspended() && !document->activeDOMObjectsAreStopped())
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listener->dispatchEvent(event);
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}
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}
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void DeviceController::fireDeviceEvent()
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{
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ASSERT(hasLastData());
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m_timer.stop();
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auto listenerVector = copyToVector(m_lastEventListeners.values());
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m_lastEventListeners.clear();
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for (auto& listener : listenerVector) {
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auto document = listener->document();
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if (document && !document->activeDOMObjectsAreSuspended() && !document->activeDOMObjectsAreStopped()) {
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if (auto lastEvent = getLastEvent())
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listener->dispatchEvent(*lastEvent);
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}
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}
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}
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} // namespace WebCore
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