1 files changed, 132 insertions, 0 deletions
diff --git a/src/webenginequick/render_widget_host_view_qt_delegate_quickwindow.cpp b/src/webenginequick/render_widget_host_view_qt_delegate_quickwindow.cpp
new file mode 100644
index 000000000..090b09281
--- /dev/null
+++ b/src/webenginequick/render_widget_host_view_qt_delegate_quickwindow.cpp
@@ -0,0 +1,132 @@
+// Copyright (C) 2016 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 "render_widget_host_view_qt_delegate_quickwindow_p.h"
+
+#include "api/qquickwebengineview_p_p.h"
+
+namespace QtWebEngineCore {
+
+static inline QPoint getOffset(QQuickItem *item)
+{
+    // get parent window (scene) offset
+    QPointF offset = item->mapFromScene(QPoint(0, 0));
+    offset = item->mapToGlobal(offset);
+    // get local offset
+    offset -= item->mapToScene(QPoint(0, 0));
+    return offset.toPoint();
+}
+
+static inline QPointF transformPoint(const QPointF &point, const QTransform &transform,
+                                     const QPointF &offset, const QQuickItem *parent)
+{
+    // make scene vector
+    QPointF a = point - offset;
+    // apply local transformation
+    a = transform.map(a);
+    // make screen coordinates
+    a = parent->mapFromScene(a);
+    a = parent->mapToGlobal(a);
+    return a;
+}
+
+RenderWidgetHostViewQtDelegateQuickWindow::RenderWidgetHostViewQtDelegateQuickWindow(
+        RenderWidgetHostViewQtDelegateItem *realDelegate, QWindow *parent)
+    : QQuickWindow(parent), m_realDelegate(realDelegate), m_virtualParent(nullptr), m_rotated(false)
+{
+    setFlags(Qt::Tool | Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint | Qt::WindowDoesNotAcceptFocus);
+    realDelegate->setParentItem(contentItem());
+}
+
+RenderWidgetHostViewQtDelegateQuickWindow::~RenderWidgetHostViewQtDelegateQuickWindow()
+{
+    if (m_realDelegate) {
+        m_realDelegate->setWidgetDelegate(nullptr);
+        m_realDelegate->setParentItem(nullptr);
+    }
+}
+
+void RenderWidgetHostViewQtDelegateQuickWindow::setVirtualParent(QQuickItem *virtualParent)
+{
+    Q_ASSERT(virtualParent);
+    m_virtualParent = virtualParent;
+}
+
+// rect is window geometry in form of parent window offset + offset in scene coordinates
+// chromium knows nothing about local transformation
+void RenderWidgetHostViewQtDelegateQuickWindow::InitAsPopup(const QRect &rect)
+{
+    m_rotated = m_virtualParent->rotation() > 0 || m_virtualParent->parentItem()->rotation() > 0;
+    if (m_rotated) {
+        // code below tries to cover the case where webengine view is rotated,
+        // the code assumes the rotation is in the form of  90, 180, 270 degrees
+        // to archive that we keep chromium unaware of transformation and we transform
+        // just the window content.
+        m_rect = rect;
+        // get parent window (scene) offset
+        QPointF offset = m_virtualParent->mapFromScene(QPoint(0, 0));
+        offset = m_virtualParent->mapToGlobal(offset);
+        // get local transform
+        QTransform transform = m_virtualParent->itemTransform(nullptr, nullptr);
+        QPointF tl = transformPoint(rect.topLeft(), transform, offset, m_virtualParent);
+        QPointF br = transformPoint(rect.bottomRight(), transform, offset, m_virtualParent);
+        QRectF popupRect(tl, br);
+        popupRect = popupRect.normalized();
+        // include offset from parent window
+        popupRect.moveTo(popupRect.topLeft() - offset);
+        setGeometry(popupRect.adjusted(0, 0, 1, 1).toRect());
+        // add offset since screenRect and transformed popupRect one are different and
+        // we want to rotate in center.
+        m_realDelegate->setX(-rect.width() / 2.0 + geometry().width() / 2.0);
+        m_realDelegate->setY(-rect.height() / 2.0 + geometry().height() / 2.0);
+        m_realDelegate->setTransformOrigin(QQuickItem::Center);
+        m_realDelegate->setRotation(m_virtualParent->parentItem()->rotation());
+    } else {
+        QRect geometry(rect);
+        geometry.moveTo(rect.topLeft() - getOffset(m_virtualParent));
+        setGeometry(geometry);
+    }
+    m_realDelegate->show();
+    raise();
+    show();
+}
+
+void RenderWidgetHostViewQtDelegateQuickWindow::Resize(int width, int height)
+{
+    if (!m_rotated)
+        QQuickWindow::resize(width, height);
+}
+
+void RenderWidgetHostViewQtDelegateQuickWindow::MoveWindow(const QPoint &screenPos)
+{
+    if (!m_rotated)
+        QQuickWindow::setPosition(screenPos - getOffset(m_virtualParent));
+}
+
+void RenderWidgetHostViewQtDelegateQuickWindow::SetClearColor(const QColor &color)
+{
+    QQuickWindow::setColor(color);
+}
+
+bool RenderWidgetHostViewQtDelegateQuickWindow::ActiveFocusOnPress()
+{
+    return false;
+}
+
+void RenderWidgetHostViewQtDelegateQuickWindow::Bind(QtWebEngineCore::WebContentsAdapterClient *client)
+{
+    QQuickWebEngineViewPrivate::bindViewAndDelegateItem(
+            static_cast<QQuickWebEngineViewPrivate *>(client), m_realDelegate.data());
+}
+
+void RenderWidgetHostViewQtDelegateQuickWindow::Unbind()
+{
+    QQuickWebEngineViewPrivate::bindViewAndDelegateItem(nullptr, m_realDelegate.data());
+}
+
+void RenderWidgetHostViewQtDelegateQuickWindow::Destroy()
+{
+    deleteLater();
+}
+
+} // namespace QtWebEngineCore