qandroidplatformforeignwindow.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:significant reason:default
 
#include "qandroidplatformforeignwindow.h"
#include "androidjnimain.h"
#include <QtCore/qvariant.h>
#include <qpa/qwindowsysteminterface.h>
#include <QtCore/private/qjnihelpers_p.h>
#include <QtCore/qjnitypes.h>
 
QT_BEGIN_NAMESPACE
 
QAndroidPlatformForeignWindow::QAndroidPlatformForeignWindow(QWindow *window, WId nativeHandle)
    : QAndroidPlatformWindow(window)
    , m_view(reinterpret_cast<jobject>(nativeHandle))
    , m_nativeViewInserted(false)
{
}
 
void QAndroidPlatformForeignWindow::initialize()
{
    QAndroidPlatformWindow::initialize();
 
    if (isEmbeddingContainer()) {
        m_nativeViewId = m_view.callMethod<jint>("getId");
        return;
    }
 
    if (m_view.isValid())
        QtAndroid::setViewVisibility(m_view.object(), false);
}
 
QAndroidPlatformForeignWindow::~QAndroidPlatformForeignWindow()
{
    if (isEmbeddingContainer())
        return;
 
    if (m_view.isValid())
        QtAndroid::setViewVisibility(m_view.object(), false);
 
    m_nativeQtWindow.callMethod<void>("removeNativeView");
 
}
 
void QAndroidPlatformForeignWindow::setVisible(bool visible)
{
    if (isEmbeddingContainer()) {
        QAndroidPlatformWindow::setVisible(visible);
        return;
    }
 
    if (!m_view.isValid())
        return;
 
    QtAndroid::setViewVisibility(m_view.object(), visible);
    updateNativeWindow(visible);
 
    if (!visible && m_nativeViewInserted) {
        m_nativeQtWindow.callMethod<void>("removeNativeView");
        m_nativeViewInserted = false;
    } else if (!m_nativeViewInserted) {
        addViewToWindow();
    }
    sendChildExposeEvents();
}
 
bool QAndroidPlatformForeignWindow::isExposed() const
{
    // A native view is on screen while shown, it has no Surface of Qt's.
    const auto state = qApp->applicationState();
    return window()->isVisible()
            && (state == Qt::ApplicationInactive || state == Qt::ApplicationActive);
}
 
void QAndroidPlatformForeignWindow::applicationStateChanged(Qt::ApplicationState state)
{
    if (!isEmbeddingContainer()) {
        if ((state == Qt::ApplicationHidden || state == Qt::ApplicationSuspended)
                && m_nativeViewInserted) {
            m_nativeQtWindow.callMethod<void>("removeNativeView");
            m_nativeViewInserted = false;
        } else if (m_view.isValid() && !m_nativeViewInserted){
            addViewToWindow();
        }
    }
 
    QAndroidPlatformWindow::applicationStateChanged(state);
}
 
WId QAndroidPlatformForeignWindow::winId() const
{
    if (isEmbeddingContainer() && m_view.isValid())
        return reinterpret_cast<WId>(m_view.object());
    if (m_nativeQtWindow.isValid())
        return reinterpret_cast<WId>(m_nativeQtWindow.object());
    return 0L;
}
 
void QAndroidPlatformForeignWindow::addViewToWindow()
{
    if (isEmbeddingContainer())
        return;
 
    m_nativeQtWindow.callMethod<void>("setNativeView", m_view);
    m_nativeViewInserted = true;
}
 
QT_END_NAMESPACE