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#include "assignkeyboardfocusjob_p.h"

#include <Qt3DInput/private/inputhandler_p.h>
#include <Qt3DInput/private/inputmanagers_p.h>
#include <Qt3DInput/private/job_common_p.h>
#include <Qt3DInput/private/keyboarddevice_p.h>
#include <Qt3DInput/private/keyboardhandler_p.h>

QT_BEGIN_NAMESPACE

namespace Qt3DInput {
namespace Input {

AssignKeyboardFocusJob::AssignKeyboardFocusJob(Qt3DCore::QNodeId keyboardDevice)
    : QAspectJob()
    , m_inputHandler(nullptr)
    , m_keyboardDevice(keyboardDevice)
{
    SET_JOB_RUN_STAT_TYPE(this, JobTypes::AssignKeyboardFocus, 0);
}

void AssignKeyboardFocusJob::setInputHandler(InputHandler *handler)
{
    m_inputHandler = handler;
}

void AssignKeyboardFocusJob::run()
{
    KeyboardDevice *keyboardDevice = m_inputHandler->keyboardDeviceManager()->lookupResource(m_keyboardDevice);
    const auto handles = m_inputHandler->keyboardInputManager()->activeHandles();
    for (const HKeyboardHandler handle : handles) {
        KeyboardHandler *input = m_inputHandler->keyboardInputManager()->data(handle);
        Q_ASSERT(input);
        if (input->keyboardDevice() == m_keyboardDevice) {
            bool hasFocus = input->peerId() == keyboardDevice->lastKeyboardInputRequester();
            input->setFocus(hasFocus);
            if (hasFocus)
                keyboardDevice->setCurrentFocusItem(input->peerId());
        }
    }
}

} // namespace Input
} // namespace Qt3DInput

QT_END_NAMESPACE