qt-everywhere-src-5.15.1/qtmultimedia/src/plugins/resourcepolicy/resourcepolicyimpl.cpp

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#include <QGlobalStatic>

#include <policy/resource.h>
#include <policy/resources.h>
#include <policy/resource-set.h>

#include "resourcepolicyimpl.h"
#include "resourcepolicyint.h"

Q_GLOBAL_STATIC(ResourcePolicyInt, globalResourcePolicyInt);

ResourcePolicyImpl::ResourcePolicyImpl(QObject *parent)
    : QMediaPlayerResourceSetInterface(parent)
{
    ResourcePolicyInt *set = globalResourcePolicyInt;
    set->addClient(this);
}

ResourcePolicyImpl::~ResourcePolicyImpl()
{
    ResourcePolicyInt *set = globalResourcePolicyInt;
    if (!globalResourcePolicyInt.isDestroyed())
        set->removeClient(this);
}

bool ResourcePolicyImpl::isVideoEnabled() const
{
    ResourcePolicyInt *set = globalResourcePolicyInt;
    return set->isVideoEnabled(this);
}

void ResourcePolicyImpl::setVideoEnabled(bool videoEnabled)
{
    ResourcePolicyInt *set = globalResourcePolicyInt;
    set->setVideoEnabled(this, videoEnabled);
}

void ResourcePolicyImpl::acquire()
{
    ResourcePolicyInt *set = globalResourcePolicyInt;
    set->acquire(this);
}

void ResourcePolicyImpl::release()
{
    ResourcePolicyInt *set = globalResourcePolicyInt;
    set->release(this);
}

bool ResourcePolicyImpl::isGranted() const
{
    ResourcePolicyInt *set = globalResourcePolicyInt;
    return set->isGranted(this);
}

bool ResourcePolicyImpl::isAvailable() const
{
    ResourcePolicyInt *set = globalResourcePolicyInt;
    return set->isAvailable();
}