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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
++
++ #include "qwasmcapturablewindows_p.h"
++
++ #include <QtMultimedia/private/qcapturablewindow_p.h>
++ #include <QtGui/qguiapplication.h>
++ #include <QtGui/qwindow.h>
++ #include <QtCore/qdebug.h>
++ #include <QtCore/quuid.h>
++ #include <QtCore/private/qstdweb_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ QWasmCapturableWindows::QWasmCapturableWindows()
++ {
++ m_capurableWindows.push_back(QCapturableWindowPrivate::create(
++ static_cast<QCapturableWindowPrivate::Id>(111),
++ QStringLiteral("Any Window")));
++ }
++
++ QList<QCapturableWindow> QWasmCapturableWindows::windows() const
++ {
++ return m_capurableWindows;
++ }
++
++ void QWasmCapturableWindows::getDisplayMedia()
++ {
++ // populate windows from getDisplayMedia which includes windows from host platform.
++
++ emscripten::val navigator = emscripten::val::global("navigator");
++ emscripten::val mediaDevices = navigator["mediaDevices"];
++
++ if (mediaDevices.isNull() || mediaDevices.isUndefined()) {
++ qWarning() << "No media devices found";
++ return;
++ }
++
++ emscripten::val constraints = emscripten::val::object();
++
++ constraints.set("video", true);
++ constraints.set("selfBrowserSurface", std::string("include"));
++
++ // will ask for permissions!
++ qstdweb::PromiseCallbacks getDisplayMediaCallback{
++ // default
++ .thenFunc =
++ [this](emscripten::val stream) {
++ QUuid uid(QString::fromStdString(stream["id"].as<std::string>()));
++
++ m_capurableWindows.push_back(QCapturableWindowPrivate::create(
++ static_cast<QCapturableWindowPrivate::Id>(uid.toByteArray().toLong()),
++ QString::fromStdString(stream["id"].as<std::string>())));
++ },
++ .catchFunc =
++ [](emscripten::val) {
++ },
++ .finallyFunc = nullptr
++ };
++ qstdweb::Promise::make(mediaDevices, QStringLiteral("getDisplayMedia"),
++ std::move(getDisplayMediaCallback), constraints);
++ }
++
++ bool QWasmCapturableWindows::isWindowValid(const QCapturableWindowPrivate &) const
++ {
++ return m_capurableWindows.count() > 0;
++ }
++
++ QT_END_NAMESPACE