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 #if USE(ACCELERATED_COMPOSITING) 34 #include <GraphicsLayer.h> 35 #endif 36 37 #include <QPalette> 38 #include <QRect> 39 40 QT_BEGIN_NAMESPACE 41 class QStyle; 42 QT_END_NAMESPACE 43 44 class QWebPageClient { 45 public: ~QWebPageClient()46 virtual ~QWebPageClient() { } 47 isQWidgetClient()48 virtual bool isQWidgetClient() const { return false; } 49 50 virtual void scroll(int dx, int dy, const QRect&) = 0; 51 virtual void update(const QRect&) = 0; 52 virtual void setInputMethodEnabled(bool enable) = 0; 53 virtual bool inputMethodEnabled() const = 0; 54 #if USE(ACCELERATED_COMPOSITING) setRootGraphicsLayer(WebCore::PlatformLayer * layer)55 virtual void setRootGraphicsLayer(WebCore::PlatformLayer* layer) { } 56 57 // this gets called when the compositor wants us to sync the layers 58 // if scheduleSync is true, we schedule a sync ourselves. otherwise, 59 // we wait for the next update and sync the layers then. 60 virtual void markForSync(bool scheduleSync = false) {} allowsAcceleratedCompositing()61 virtual bool allowsAcceleratedCompositing() const { return false; } 62 #endif 63 64 virtual void setInputMethodHints(Qt::InputMethodHints hint) = 0; 65 66 #ifndef QT_NO_CURSOR resetCursor()67 inline void resetCursor() 68 { 69 if (!cursor().bitmap() && cursor().shape() == m_lastCursor.shape()) 70 return; 71 updateCursor(m_lastCursor); 72 } 73 setCursor(const QCursor & cursor)74 inline void setCursor(const QCursor& cursor) 75 { 76 m_lastCursor = cursor; 77 if (!cursor.bitmap() && cursor.shape() == this->cursor().shape()) 78 return; 79 updateCursor(cursor); 80 } 81 #endif 82 83 virtual QPalette palette() const = 0; 84 virtual int screenNumber() const = 0; 85 virtual QWidget* ownerWidget() const = 0; 86 virtual QRect geometryRelativeToOwnerWidget() const = 0; 87 88 virtual QObject* pluginParent() const = 0; 89 90 virtual QStyle* style() const = 0; 91 graphicsItemVisibleRect()92 virtual QRectF graphicsItemVisibleRect() const { return QRectF(); } 93 94 virtual bool viewResizesToContentsEnabled() const = 0; 95 96 virtual QRectF windowRect() const = 0; 97 98 protected: 99 #ifndef QT_NO_CURSOR 100 virtual QCursor cursor() const = 0; 101 virtual void updateCursor(const QCursor& cursor) = 0; 102 #endif 103 104 private: 105 #ifndef QT_NO_CURSOR 106 QCursor m_lastCursor; 107 #endif 108 }; 109 110 #endif 111