DeviceController.cpp [plain text]
#include "config.h"
#include "DeviceController.h"
#include "DeviceClient.h"
#include "Document.h"
#include "Page.h"
namespace WebCore {
DeviceController::DeviceController(DeviceClient* client)
: m_client(client)
, m_timer(*this, &DeviceController::fireDeviceEvent)
{
ASSERT(m_client);
}
void DeviceController::addDeviceEventListener(DOMWindow* window)
{
bool wasEmpty = m_listeners.isEmpty();
m_listeners.add(window);
if (hasLastData()) {
m_lastEventListeners.add(window);
if (!m_timer.isActive())
m_timer.startOneShot(0);
}
if (wasEmpty)
m_client->startUpdating();
}
void DeviceController::removeDeviceEventListener(DOMWindow* window)
{
m_listeners.remove(window);
m_lastEventListeners.remove(window);
if (m_listeners.isEmpty())
m_client->stopUpdating();
}
void DeviceController::removeAllDeviceEventListeners(DOMWindow* window)
{
m_listeners.removeAll(window);
m_lastEventListeners.removeAll(window);
if (m_listeners.isEmpty())
m_client->stopUpdating();
}
void DeviceController::dispatchDeviceEvent(PassRefPtr<Event> prpEvent)
{
RefPtr<Event> event = prpEvent;
Vector<RefPtr<DOMWindow>> listenerVector;
copyToVector(m_listeners, listenerVector);
for (auto& listener : listenerVector) {
auto document = listener->document();
if (document && !document->activeDOMObjectsAreSuspended() && !document->activeDOMObjectsAreStopped())
listener->dispatchEvent(event);
}
}
void DeviceController::fireDeviceEvent()
{
ASSERT(hasLastData());
m_timer.stop();
Vector<RefPtr<DOMWindow>> listenerVector;
copyToVector(m_lastEventListeners, listenerVector);
m_lastEventListeners.clear();
for (auto& listener : listenerVector) {
auto document = listener->document();
if (document && !document->activeDOMObjectsAreSuspended() && !document->activeDOMObjectsAreStopped())
listener->dispatchEvent(getLastEvent());
}
}
}