/*****************************************************************************
* Copyright (C) 2020 VLC authors and VideoLAN
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef VLC_COMPOSITOR_DIRECT_COMPOSITION
#define VLC_COMPOSITOR_DIRECT_COMPOSITION
#include "compositor.hpp"
#include "../maininterface/mainui.hpp"
#include "interface_window_handler.hpp"
#include "video_window_handler.hpp"
#include <QPointer>
#include <QWaitCondition>
#include <QMutex>
#include <memory>
#include <wrl.h>
class MainCtx;
class WinTaskbarWidget;
class QQuickView;
class IDCompositionVisual;
class IDCompositionDevice;
class IDCompositionTarget;
namespace vlc {
class CompositorDCompositionAcrylicSurface;
class CompositorDirectComposition : public CompositorVideo
{
Q_OBJECT
public:
CompositorDirectComposition(qt_intf_t *p_intf, QObject* parent = nullptr);
~CompositorDirectComposition();
bool init() override;
bool makeMainInterface(MainCtx*, std::function<void (QQuickWindow *)> aboutToShowQuickWindowCallback = {}) override;
void destroyMainInterface() override;
void unloadGUI() override;
bool setupVoutWindow(vlc_window_t *p_wnd, VoutDestroyCb destroyCb) override;
QWindow* interfaceMainWindow() const override;
Type type() const override;
void addVisual(IDCompositionVisual *visual);
void removeVisual(IDCompositionVisual *visual);
QQuickItem * activeFocusItem() const override;
bool eventFilter(QObject *watched, QEvent *event) override;
bool canDoThreadedSurfaceUpdates() const override { return true; };
// See `IDCompositionVisual::SetOffset{X,Y}()`:
bool supportsFractionalPositioning() const override { return true; }
protected:
bool canDoCombinedSurfaceUpdates() const override { return true; };
void commitSurface() override;
private:
[[nodiscard]] bool setup();
void cleanup();
private slots:
void onSurfacePositionChanged(const QPointF& position) override;
void onSurfaceSizeChanged(const QSizeF& size) override;
protected:
int windowEnable(const vlc_window_cfg_t *) override;
void windowDisable() override;
void windowDestroy() override;
private:
enum class SetupState {
Uninitialized,
Success,
Fail
};
SetupState m_setupState = SetupState::Uninitialized;
QWaitCondition m_setupStateCond;
QMutex m_setupStateLock;
std::unique_ptr<QQuickView> m_quickView;
IDCompositionDevice *m_dcompDevice = nullptr;
Microsoft::WRL::ComPtr<IDCompositionVisual> m_rootVisual;
Microsoft::WRL::ComPtr<IDCompositionVisual> m_videoVisual;
IDCompositionVisual *m_uiVisual = nullptr;
std::unique_ptr<CompositorDCompositionAcrylicSurface> m_acrylicSurface;
};
}
#endif /* VLC_COMPOSITOR_DIRECT_COMPOSITION */
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