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// Copyright (C) 2024 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
package org.qtproject.qt.android;
import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.util.Log;
import java.security.InvalidParameterException;
public class QtQuickView extends QtView {
private final static String TAG = "QtQuickView";
@FunctionalInterface
public interface SignalListener<T>
{
void onSignalEmitted(String signalName, T value);
}
public interface StatusChangeListener
{
void onStatusChanged(int status);
}
public static final int STATUS_NULL = 0;
public static final int STATUS_READY = 1;
public static final int STATUS_LOADING = 2;
public static final int STATUS_ERROR = 3;
private String m_qmlUri;
private String[] m_qmlImportPaths = null;
private StatusChangeListener m_statusChangeListener = null;
private int m_lastStatus = STATUS_NULL;
private boolean m_hasQueuedStatus = false;
native void createQuickView(String qmlUri, int width, int height, long parentWindowReference,
String[] qmlImportPaths);
native void setRootObjectProperty(long windowReference, String propertyName, Object value);
native Object getRootObjectProperty(long windowReference, String propertyName);
native int addRootObjectSignalListener(long windowReference, String signalName, Class argType,
Object listener);
native boolean removeRootObjectSignalListener(long windowReference, int signalListenerId);
public QtQuickView(Context context, String qmlUri, String appName)
throws InvalidParameterException {
this(context, qmlUri, appName, null);
}
public QtQuickView(Context context, String qmlUri, String appName, String[] qmlImportPaths)
throws InvalidParameterException
{
super(context, appName);
if (qmlUri == null || qmlUri.isEmpty()) {
throw new InvalidParameterException(
"QtQuickView: argument 'qmlUri' may not be empty or null");
}
m_qmlUri = qmlUri;
m_qmlImportPaths = qmlImportPaths;
}
@Override
protected void createWindow(long parentWindowReference) {
createQuickView(m_qmlUri, getWidth(), getHeight(), parentWindowReference, m_qmlImportPaths);
}
public void setProperty(String propertyName, Object value)
{
setRootObjectProperty(windowReference(), propertyName, value);
}
// getRootObjectProperty always returns a primitive type or an Object
// so it is safe to suppress the unchecked warning
@SuppressWarnings("unchecked")
public <T extends Object> T getProperty(String propertyName)
{
return (T)getRootObjectProperty(windowReference(), propertyName);
}
public <T> int connectSignalListener(String signalName, Class<T> argType,
SignalListener<T> listener)
{
int signalListenerId =
addRootObjectSignalListener(windowReference(), signalName, argType, listener);
if (signalListenerId < 0) {
Log.w(TAG, "The signal " + signalName
+ " does not exist in the root object or the arguments do not match with the listener.");
}
return signalListenerId;
}
public boolean disconnectSignalListener(int signalListenerId)
{
return removeRootObjectSignalListener(windowReference(), signalListenerId);
}
public int getStatus()
{
return m_lastStatus;
}
public void setStatusChangeListener(StatusChangeListener listener)
{
m_statusChangeListener = listener;
if (m_hasQueuedStatus) {
QtNative.runAction(() -> { m_statusChangeListener.onStatusChanged(m_lastStatus); });
m_hasQueuedStatus = false;
}
}
private void handleStatusChange(int status)
{
m_lastStatus = status;
if (m_statusChangeListener != null)
QtNative.runAction(() -> { m_statusChangeListener.onStatusChanged(status); });
else
m_hasQueuedStatus = true;
}
}
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