Introduce private interface for QCapturableWindow providing

No implementations, interface only in the patch.

Pick-to: 6.6
Change-Id: I63a1fe8a6ca919311211807426a4d044056308a7
Reviewed-by: Lars Knoll <lars@knoll.priv.no>

3 files changed, 59 insertions, 3 deletions

diff --git a/src/multimedia/platform/qplatformcapturablewindows_p.h b/src/multimedia/platform/qplatformcapturablewindows_p.h
new file mode 100644
index 000000000..41949aaac
--- /dev/null
+++ b/src/multimedia/platform/qplatformcapturablewindows_p.h
@@ -0,0 +1,44 @@
+// Copyright (C) 2023 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
+
+#ifndef QPLATFORMCAPTURABLEWINDOWS_P_H
+#define QPLATFORMCAPTURABLEWINDOWS_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "private/qtmultimediaglobal_p.h"
+#include "qcapturablewindow.h"
+
+#include <qlist.h>
+
+QT_BEGIN_NAMESPACE
+
+class QCapturableWindow;
+class QCapturableWindowPrivate;
+
+class QPlatformCapturableWindows
+{
+public:
+    QPlatformCapturableWindows() = default;
+
+    virtual ~QPlatformCapturableWindows() = default;
+
+    virtual QList<QCapturableWindow> windows() const { return {}; }
+
+    virtual bool isWindowValid(const QCapturableWindowPrivate &) const { return false; }
+
+    Q_DISABLE_COPY(QPlatformCapturableWindows);
+};
+
+QT_END_NAMESPACE
+
+#endif // QPLATFORMCAPTURABLEWINDOWS_P_H
diff --git a/src/multimedia/platform/qplatformmediaintegration.cpp b/src/multimedia/platform/qplatformmediaintegration.cpp
index bcfb2bd90..7adfbcf54 100644
--- a/src/multimedia/platform/qplatformmediaintegration.cpp
+++ b/src/multimedia/platform/qplatformmediaintegration.cpp
@@ -12,6 +12,7 @@
 #include <qcameradevice.h>
 #include <qloggingcategory.h>
 
+#include "qplatformcapturablewindows_p.h"
 #include "QtCore/private/qfactoryloader_p.h"
 #include "qplatformmediaplugin_p.h"
 
@@ -136,6 +137,16 @@ QMaybe<QPlatformAudioOutput *> QPlatformMediaIntegration::createAudioOutput(QAud
     return new QPlatformAudioOutput(q);
 }
 
+QList<QCapturableWindow> QPlatformMediaIntegration::capturableWindows()
+{
+    return m_capturableWindows ? m_capturableWindows->windows() : QList<QCapturableWindow>{};
+}
+
+bool QPlatformMediaIntegration::isCapturableWindowValid(const QCapturableWindowPrivate &window)
+{
+    return m_capturableWindows && m_capturableWindows->isWindowValid(window);
+}
+
 QPlatformMediaIntegration::QPlatformMediaIntegration() = default;
 
 QPlatformMediaIntegration::~QPlatformMediaIntegration() = default;
diff --git a/src/multimedia/platform/qplatformmediaintegration_p.h b/src/multimedia/platform/qplatformmediaintegration_p.h
index feba057d7..debd68485 100644
--- a/src/multimedia/platform/qplatformmediaintegration_p.h
+++ b/src/multimedia/platform/qplatformmediaintegration_p.h
@@ -50,6 +50,7 @@ class QPlatformAudioInput;
 class QPlatformAudioOutput;
 class QPlatformVideoDevices;
 class QCapturableWindow;
+class QPlatformCapturableWindows;
 
 class Q_MULTIMEDIA_EXPORT QPlatformMediaIntegration
 {
@@ -80,12 +81,12 @@ public:
 
     virtual QMaybe<QPlatformVideoSink *> createVideoSink(QVideoSink *) { return notAvailable; }
 
-    virtual QList<QCapturableWindow> capturableWindows() { return {}; };
-
-    bool isCapturableWindowValid(const QCapturableWindowPrivate &) { return false; }
+    QList<QCapturableWindow> capturableWindows();
+    bool isCapturableWindowValid(const QCapturableWindowPrivate &);
 
 protected:
     std::unique_ptr<QPlatformVideoDevices> m_videoDevices;
+    std::unique_ptr<QPlatformCapturableWindows> m_capturableWindows;
 };
 
 QT_END_NAMESPACE