1 files changed, 132 insertions, 0 deletions
diff --git a/src/core/render_widget_host_view_qt_delegate_client.h b/src/core/render_widget_host_view_qt_delegate_client.h
new file mode 100644
index 000000000..57354f549
--- /dev/null
+++ b/src/core/render_widget_host_view_qt_delegate_client.h
@@ -0,0 +1,132 @@
+// Copyright (C) 2020 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
+
+//
+//  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.
+//
+
+#ifndef RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_CLIENT_H
+#define RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_CLIENT_H
+
+#include "compositor/compositor.h"
+
+#include <QMap>
+#include <QtGui/QCursor>
+#include <QtGui/QTouchEvent>
+
+QT_BEGIN_NAMESPACE
+class QEvent;
+class QVariant;
+class QMouseEvent;
+class QKeyEvent;
+class QTabletEvent;
+class QNativeGestureEvent;
+class QHoverEvent;
+class QFocusEvent;
+class QInputMethodEvent;
+class QInputMethodQueryEvent;
+QT_END_NAMESPACE
+
+namespace QtWebEngineCore {
+
+class RenderWidgetHostViewQt;
+
+struct MultipleMouseClickHelper
+{
+    QPoint lastPressPosition;
+    Qt::MouseButton lastPressButton = Qt::NoButton;
+    int clickCounter = 0;
+    ulong lastPressTimestamp = 0;
+};
+
+class Q_WEBENGINECORE_EXPORT RenderWidgetHostViewQtDelegateClient
+{
+public:
+    RenderWidgetHostViewQtDelegateClient(RenderWidgetHostViewQt *rwhv);
+
+    Compositor::Id compositorId();
+    void notifyShown();
+    void notifyHidden();
+    void visualPropertiesChanged();
+    bool forwardEvent(QEvent *);
+    QVariant inputMethodQuery(Qt::InputMethodQuery query);
+    void closePopup();
+
+private:
+    friend class RenderWidgetHostViewQt;
+
+    template<class T>
+    void handlePointerEvent(T *);
+    void handleMouseEvent(QMouseEvent *);
+    void handleKeyEvent(QKeyEvent *);
+    void handleTouchEvent(QTouchEvent *);
+#if QT_CONFIG(tabletevent)
+    void handleTabletEvent(QTabletEvent *);
+#endif
+#if QT_CONFIG(gestures)
+    void handleGestureEvent(QNativeGestureEvent *);
+#endif
+    void handleHoverEvent(QHoverEvent *);
+    void handleFocusEvent(QFocusEvent *);
+    void handleInputMethodEvent(QInputMethodEvent *);
+    void handleInputMethodQueryEvent(QInputMethodQueryEvent *);
+
+    QRect viewRectInDips() const { return m_viewRectInDips; }
+    QRect windowRectInDips() const { return m_windowRectInDips; }
+
+    // Mouse
+    void resetPreviousMousePosition() { m_previousMousePosition = QCursor::pos(); }
+
+    // Touch
+    void clearPreviousTouchMotionState();
+
+    // IME
+    void selectionChanged();
+    void setCursorPosition(uint pos) { m_cursorPosition = pos; }
+    void setSurroundingText(const QString &text) { m_surroundingText = text; }
+    bool isPreviousSelectionEmpty() const { return m_emptyPreviousSelection; }
+
+    RenderWidgetHostViewQt *m_rwhv;
+
+    // Mouse
+    uint m_mouseButtonPressed = 0;
+    QPoint m_previousMousePosition;
+    MultipleMouseClickHelper m_clickHelper;
+
+    // Key
+    std::string m_editCommand;
+
+    // Touch
+    typedef QPair<int, QTouchEvent::TouchPoint> TouchPoint;
+    QList<TouchPoint> mapTouchPointIds(const QList<QTouchEvent::TouchPoint> &input);
+    QMap<int, int> m_touchIdMapping;
+    QList<TouchPoint> m_previousTouchPoints;
+    bool m_touchMotionStarted = false;
+    bool m_sendMotionActionDown = false;
+    int64_t m_eventsToNowDelta = 0; // delta for first touch in microseconds
+
+    // IME
+    bool m_receivedEmptyImeEvent = false;
+    bool m_imeInProgress = false;
+    bool m_emptyPreviousSelection = true;
+    uint m_cursorPosition = 0;
+    int m_anchorPositionWithinSelection = -1;
+    int m_cursorPositionWithinSelection = -1;
+    QString m_surroundingText;
+
+    // Geometry of the view in screen DIPs.
+    QRect m_viewRectInDips;
+    // Geometry of the window, including frame, in screen DIPs.
+    QRect m_windowRectInDips;
+};
+
+} // namespace QtWebEngineCore
+
+#endif // RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_CLIENT_H