[Widgets] RenderWidgetHostViewQtDelegate refactoring

Break up the delegate implementation into two distinct subclasses.
The first one offers a way for the WebPage to tap into the
RenderWidgetHostView directly, while a different implementation
that is backed by a top-level widget can be used to show WebUI
popups on screen.

This has the benefit of not having a child widget in the webview
among other things. It also fixes our popups and allows them to fall
outside the window frame.

Change-Id: I80dc1e4f21bb91ff47c75a626d330f88eacce8c6
Reviewed-by: Jocelyn Turcotte <jocelyn.turcotte@digia.com>

1 files changed, 88 insertions, 0 deletions

diff --git a/src/webenginewidgets/render_widget_host_view_qt_delegate_popup.h b/src/webenginewidgets/render_widget_host_view_qt_delegate_popup.h
new file mode 100644
index 000000000..330afc25e
--- /dev/null
+++ b/src/webenginewidgets/render_widget_host_view_qt_delegate_popup.h
@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_POPUP_H
+#define RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_POPUP_H
+
+#include "render_widget_host_view_qt_delegate.h"
+#include "web_contents_adapter_client.h"
+
+#include <QBasicTimer>
+#include <QWidget>
+
+class BackingStoreQt;
+
+QT_BEGIN_NAMESPACE
+class QWindow;
+QT_END_NAMESPACE
+
+class RenderWidgetHostViewQtDelegatePopup : public QWidget, public RenderWidgetHostViewQtDelegate
+{
+public:
+    RenderWidgetHostViewQtDelegatePopup(RenderWidgetHostViewQtDelegateClient *client, QWidget *);
+
+    virtual void initAsChild(WebContentsAdapterClient* container) Q_DECL_OVERRIDE;
+    virtual void initAsPopup(const QRect&) Q_DECL_OVERRIDE;
+    virtual QRectF screenRect() const Q_DECL_OVERRIDE;
+    virtual void setKeyboardFocus() Q_DECL_OVERRIDE;
+    virtual bool hasKeyboardFocus() Q_DECL_OVERRIDE;
+    virtual void show() Q_DECL_OVERRIDE;
+    virtual void hide() Q_DECL_OVERRIDE;
+    virtual bool isVisible() const Q_DECL_OVERRIDE;
+    virtual QWindow* window() const Q_DECL_OVERRIDE;
+    virtual void update(const QRect& rect = QRect()) Q_DECL_OVERRIDE;
+    virtual void updateCursor(const QCursor &) Q_DECL_OVERRIDE;
+    virtual void resize(int width, int height) Q_DECL_OVERRIDE;
+    virtual void move(const QPoint &) Q_DECL_OVERRIDE;
+    virtual void inputMethodStateChanged(bool) Q_DECL_OVERRIDE {}
+    virtual bool supportsHardwareAcceleration() const Q_DECL_OVERRIDE { return false; }
+
+protected:
+    void paintEvent(QPaintEvent * event);
+    bool event(QEvent *event);
+    void resizeEvent(QResizeEvent *resizeEvent);
+
+private:
+    RenderWidgetHostViewQtDelegateClient *m_client;
+    QWidget *m_parentView;
+};
+
+#endif