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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 static org.qtproject.qt.android.QtNative.ApplicationState.*;
import android.app.Activity;
import android.app.Application;
import android.content.Context;
import android.content.res.Resources;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup;
import android.widget.PopupMenu;
import java.util.ArrayList;
import java.util.HashMap;
class QtEmbeddedDelegate extends QtActivityDelegateBase
implements QtNative.AppStateDetailsListener, QtEmbeddedViewInterface, QtWindowInterface,
QtMenuInterface, QtLayoutInterface
{
private static final String QtTAG = "QtEmbeddedDelegate";
// TODO simplistic implementation with one QtView, expand to support multiple views QTBUG-117649
private QtView m_view;
private QtNative.ApplicationStateDetails m_stateDetails;
private boolean m_windowLoaded = false;
private boolean m_backendsRegistered = false;
public QtEmbeddedDelegate(Activity context) {
super(context);
m_stateDetails = QtNative.getStateDetails();
QtNative.registerAppStateListener(this);
m_activity.getApplication().registerActivityLifecycleCallbacks(
new Application.ActivityLifecycleCallbacks() {
@Override
public void onActivityCreated(Activity activity, Bundle savedInstanceState) {}
@Override
public void onActivityStarted(Activity activity) {}
@Override
public void onActivityResumed(Activity activity) {
if (m_activity == activity && m_stateDetails.isStarted) {
QtNative.setApplicationState(ApplicationActive);
QtNative.updateWindow();
}
}
@Override
public void onActivityPaused(Activity activity) {
if (m_activity == activity && m_stateDetails.isStarted) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N ||
!activity.isInMultiWindowMode()) {
QtNative.setApplicationState(ApplicationInactive);
}
}
}
@Override
public void onActivityStopped(Activity activity) {
if (m_activity == activity && m_stateDetails.isStarted) {
QtNative.setApplicationState(ApplicationSuspended);
}
}
@Override
public void onActivitySaveInstanceState(Activity activity, Bundle outState) {}
@Override
public void onActivityDestroyed(Activity activity) {
if (m_activity == activity && m_stateDetails.isStarted) {
m_activity.getApplication().unregisterActivityLifecycleCallbacks(this);
QtNative.unregisterAppStateListener(QtEmbeddedDelegate.this);
QtEmbeddedViewInterfaceFactory.remove(m_activity);
QtNative.terminateQt();
QtNative.setActivity(null);
QtNative.getQtThread().exit();
}
}
});
}
@Override
public void onAppStateDetailsChanged(QtNative.ApplicationStateDetails details) {
synchronized (this) {
m_stateDetails = details;
if (details.isStarted && !m_backendsRegistered) {
m_backendsRegistered = true;
BackendRegister.registerBackend(QtWindowInterface.class, (QtWindowInterface)this);
BackendRegister.registerBackend(QtMenuInterface.class, (QtMenuInterface)this);
BackendRegister.registerBackend(QtLayoutInterface.class, (QtLayoutInterface)this);
} else if (!details.isStarted && m_backendsRegistered) {
m_backendsRegistered = false;
BackendRegister.unregisterBackend(QtWindowInterface.class);
BackendRegister.unregisterBackend(QtMenuInterface.class);
BackendRegister.unregisterBackend(QtLayoutInterface.class);
}
}
}
@Override
public void onNativePluginIntegrationReadyChanged(boolean ready)
{
synchronized (this) {
if (ready) {
QtNative.runAction(() -> {
DisplayMetrics metrics = Resources.getSystem().getDisplayMetrics();
QtDisplayManager.setApplicationDisplayMetrics(m_activity, metrics.widthPixels,
metrics.heightPixels);
});
createRootWindow();
}
}
}
@Override
void startNativeApplicationImpl(String appParams, String mainLib)
{
QtNative.startApplication(appParams, mainLib);
}
@Override
public QtLayout getQtLayout()
{
// TODO verify if returning m_view here works, this is used by the androidjniinput
// when e.g. showing a keyboard, so depends on getting the keyboard focus working
// QTBUG-118873
if (m_view == null)
return null;
return m_view.getQtWindow();
}
// QtEmbeddedViewInterface implementation begin
@Override
public void startQtApplication(String appParams, String mainLib)
{
super.startNativeApplication(appParams, mainLib);
}
@Override
public void queueLoadWindow()
{
synchronized (this) {
if (m_stateDetails.nativePluginIntegrationReady)
createRootWindow();
}
}
@Override
public void setView(QtView view)
{
m_view = view;
updateInputDelegate();
if (m_view != null)
registerGlobalFocusChangeListener(m_view);
}
// QtEmbeddedViewInterface implementation end
private void updateInputDelegate() {
if (m_view == null) {
m_inputDelegate.setEditPopupMenu(null);
return;
}
m_inputDelegate.setEditPopupMenu(new EditPopupMenu(m_activity, m_view));
}
private void createRootWindow() {
if (m_view != null && !m_windowLoaded) {
QtView.createRootWindow(m_view, m_view.getLeft(), m_view.getTop(), m_view.getWidth(),
m_view.getHeight());
m_windowLoaded = true;
}
}
// QtMenuInterface implementation begin
@Override
public void resetOptionsMenu() { QtNative.runAction(() -> m_activity.invalidateOptionsMenu()); }
@Override
public void openOptionsMenu() { QtNative.runAction(() -> m_activity.openOptionsMenu()); }
@Override
public void closeContextMenu() { QtNative.runAction(() -> m_activity.closeContextMenu()); }
@Override
public void openContextMenu(final int x, final int y, final int w, final int h)
{
QtLayout layout = getQtLayout();
layout.postDelayed(() -> {
final QtEditText focusedEditText = m_inputDelegate.getCurrentQtEditText();
if (focusedEditText == null) {
Log.w(QtTAG, "No focused view when trying to open context menu");
return;
}
layout.setLayoutParams(focusedEditText, new QtLayout.LayoutParams(w, h, x, y), false);
PopupMenu popup = new PopupMenu(m_activity, focusedEditText);
QtNative.fillContextMenu(popup.getMenu());
popup.setOnMenuItemClickListener(menuItem ->
m_activity.onContextItemSelected(menuItem));
popup.setOnDismissListener(popupMenu ->
m_activity.onContextMenuClosed(popupMenu.getMenu()));
popup.show();
}, 100);
}
// QtMenuInterface implementation end
}
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