1/*
2 * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef QWebPageClient_h
27#define QWebPageClient_h
28
29#ifndef QT_NO_CURSOR
30#include <QCursor>
31#endif
32
33#include <QPalette>
34#include <QRect>
35
36QT_BEGIN_NAMESPACE
37class QOpenGLContext;
38class QStyle;
39class QWindow;
40QT_END_NAMESPACE
41
42namespace WebCore {
43class Widget;
44}
45
46class QWebPageClient {
47public:
48 virtual ~QWebPageClient() { }
49
50 virtual bool isQWidgetClient() const { return false; }
51
52 virtual void scroll(int dx, int dy, const QRect&) = 0;
53 virtual void update(const QRect&) = 0;
54 virtual void repaintViewport() = 0;
55 virtual void setInputMethodEnabled(bool) = 0;
56 virtual bool inputMethodEnabled() const = 0;
57 virtual bool makeOpenGLContextCurrentIfAvailable() { return false; }
58 virtual QOpenGLContext* openGLContextIfAvailable() { return 0; }
59
60 virtual void setInputMethodHints(Qt::InputMethodHints) = 0;
61 virtual bool isViewVisible() = 0;
62
63#ifndef QT_NO_CURSOR
64 inline void resetCursor()
65 {
66 if (!cursor().bitmap() && cursor().shape() == m_lastCursor.shape())
67 return;
68 updateCursor(m_lastCursor);
69 }
70
71 inline void setCursor(const QCursor& cursor)
72 {
73 m_lastCursor = cursor;
74 if (!cursor.bitmap() && cursor.shape() == this->cursor().shape())
75 return;
76 updateCursor(cursor);
77 }
78#endif
79
80 virtual QPalette palette() const = 0;
81 virtual int screenNumber() const = 0;
82 virtual QObject* ownerWidget() const = 0;
83 virtual QRect geometryRelativeToOwnerWidget() const = 0;
84 virtual QPoint mapToOwnerWindow(const QPoint&) const = 0;
85
86 virtual QObject* pluginParent() const = 0;
87
88 virtual QStyle* style() const = 0;
89
90 virtual QRectF graphicsItemVisibleRect() const { return QRectF(); }
91
92 virtual bool viewResizesToContentsEnabled() const = 0;
93
94 virtual QRectF windowRect() const = 0;
95
96 virtual void setWidgetVisible(WebCore::Widget*, bool visible) = 0;
97
98 virtual QWindow* ownerWindow() const;
99
100protected:
101#ifndef QT_NO_CURSOR
102 virtual QCursor cursor() const = 0;
103 virtual void updateCursor(const QCursor&) = 0;
104#endif
105
106private:
107#ifndef QT_NO_CURSOR
108 QCursor m_lastCursor;
109#endif
110};
111
112#endif
113