| /* |
| * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #ifndef PageClientQt_h |
| #define PageClientQt_h |
| |
| #include "FrameView.h" |
| #include "GraphicsContext.h" |
| #include "IntRect.h" |
| #include "QWebPageClient.h" |
| #include "TiledBackingStore.h" |
| #include "qgraphicswebview.h" |
| #include "qwebframe.h" |
| #include "qwebframe_p.h" |
| #include "qwebpage.h" |
| #include "qwebpage_p.h" |
| #include <QtCore/qmetaobject.h> |
| #include <QtGui/qgraphicsscene.h> |
| #include <QtGui/qgraphicsview.h> |
| #include <QtGui/qgraphicswidget.h> |
| #include <QtGui/qscrollbar.h> |
| #include <QtGui/qstyleoption.h> |
| #include <QtGui/qwidget.h> |
| |
| #include <Settings.h> |
| |
| #if USE(ACCELERATED_COMPOSITING) && USE(TEXTURE_MAPPER) |
| #include "texmap/TextureMapperPlatformLayer.h" |
| #endif |
| |
| namespace WebCore { |
| |
| class PageClientQWidget : public QWebPageClient { |
| public: |
| PageClientQWidget(QWidget* newView, QWebPage* newPage) |
| : view(newView) |
| , page(newPage) |
| #if USE(ACCELERATED_COMPOSITING) && USE(TEXTURE_MAPPER) |
| , syncTimer(this, &PageClientQWidget::syncLayers) |
| , platformLayerProxy(0) |
| #endif |
| { |
| Q_ASSERT(view); |
| } |
| virtual ~PageClientQWidget(); |
| |
| virtual bool isQWidgetClient() const { return true; } |
| |
| virtual void scroll(int dx, int dy, const QRect&); |
| virtual void update(const QRect& dirtyRect); |
| virtual void setInputMethodEnabled(bool enable); |
| virtual bool inputMethodEnabled() const; |
| virtual void setInputMethodHints(Qt::InputMethodHints hints); |
| |
| #ifndef QT_NO_CURSOR |
| virtual QCursor cursor() const; |
| virtual void updateCursor(const QCursor& cursor); |
| #endif |
| |
| virtual QPalette palette() const; |
| virtual int screenNumber() const; |
| virtual QWidget* ownerWidget() const; |
| virtual QRect geometryRelativeToOwnerWidget() const; |
| |
| virtual QObject* pluginParent() const; |
| |
| virtual QStyle* style() const; |
| |
| virtual bool viewResizesToContentsEnabled() const { return false; } |
| |
| virtual QRectF windowRect() const; |
| |
| QWidget* view; |
| QWebPage* page; |
| |
| #if USE(ACCELERATED_COMPOSITING) && USE(TEXTURE_MAPPER) |
| virtual void setRootGraphicsLayer(TextureMapperPlatformLayer* layer); |
| virtual void markForSync(bool scheduleSync); |
| void syncLayers(Timer<PageClientQWidget>*); |
| #endif |
| |
| #if USE(ACCELERATED_COMPOSITING) && USE(TEXTURE_MAPPER) |
| virtual bool allowsAcceleratedCompositing() const { return true; } |
| #else |
| virtual bool allowsAcceleratedCompositing() const { return false; } |
| #endif |
| |
| #if USE(ACCELERATED_COMPOSITING) && USE(TEXTURE_MAPPER) |
| Timer<PageClientQWidget> syncTimer; |
| PlatformLayerProxyQt* platformLayerProxy; |
| #endif |
| }; |
| |
| #if !defined(QT_NO_GRAPHICSVIEW) |
| // the overlay is here for one reason only: to have the scroll-bars and other |
| // extra UI elements appear on top of any QGraphicsItems created by CSS compositing layers |
| class QGraphicsItemOverlay : public QGraphicsObject { |
| public: |
| QGraphicsItemOverlay(QGraphicsWidget* view, QWebPage* p) |
| :QGraphicsObject(view) |
| , q(view) |
| , page(p) |
| { |
| setPos(0, 0); |
| setFlag(QGraphicsItem::ItemUsesExtendedStyleOption, true); |
| setCacheMode(QGraphicsItem::DeviceCoordinateCache); |
| } |
| |
| QRectF boundingRect() const |
| { |
| return q->boundingRect(); |
| } |
| |
| void paint(QPainter* painter, const QStyleOptionGraphicsItem* options, QWidget*) |
| { |
| page->mainFrame()->render(painter, static_cast<QWebFrame::RenderLayer>(QWebFrame::AllLayers&(~QWebFrame::ContentsLayer)), options->exposedRect.toRect()); |
| } |
| |
| void prepareGraphicsItemGeometryChange() |
| { |
| prepareGeometryChange(); |
| } |
| |
| QGraphicsWidget* q; |
| QWebPage* page; |
| }; |
| |
| |
| class PageClientQGraphicsWidget : public QWebPageClient { |
| public: |
| PageClientQGraphicsWidget(QGraphicsWebView* newView, QWebPage* newPage) |
| : view(newView) |
| , page(newPage) |
| , viewResizesToContents(false) |
| #if USE(ACCELERATED_COMPOSITING) |
| #if USE(TEXTURE_MAPPER) |
| , platformLayerProxy(0) |
| #endif |
| , shouldSync(false) |
| #endif |
| , overlay(0) |
| { |
| Q_ASSERT(view); |
| #if USE(ACCELERATED_COMPOSITING) |
| // the overlay and stays alive for the lifetime of |
| // this QGraphicsWebView as the scrollbars are needed when there's no compositing |
| view->setFlag(QGraphicsItem::ItemUsesExtendedStyleOption); |
| syncMetaMethod = view->metaObject()->method(view->metaObject()->indexOfMethod("syncLayers()")); |
| #endif |
| } |
| |
| virtual ~PageClientQGraphicsWidget(); |
| |
| virtual bool isQWidgetClient() const { return false; } |
| |
| virtual void scroll(int dx, int dy, const QRect&); |
| virtual void update(const QRect& dirtyRect); |
| virtual void setInputMethodEnabled(bool enable); |
| virtual bool inputMethodEnabled() const; |
| virtual void setInputMethodHints(Qt::InputMethodHints hints); |
| |
| #ifndef QT_NO_CURSOR |
| virtual QCursor cursor() const; |
| virtual void updateCursor(const QCursor& cursor); |
| #endif |
| |
| virtual QPalette palette() const; |
| virtual int screenNumber() const; |
| virtual QWidget* ownerWidget() const; |
| virtual QRect geometryRelativeToOwnerWidget() const; |
| |
| virtual QObject* pluginParent() const; |
| |
| virtual QStyle* style() const; |
| |
| virtual bool viewResizesToContentsEnabled() const { return viewResizesToContents; } |
| |
| void createOrDeleteOverlay(); |
| |
| #if ENABLE(TILED_BACKING_STORE) |
| void updateTiledBackingStoreScale(); |
| virtual QRectF graphicsItemVisibleRect() const; |
| #endif |
| |
| #if USE(ACCELERATED_COMPOSITING) |
| virtual void setRootGraphicsLayer(PlatformLayer* layer); |
| virtual void markForSync(bool scheduleSync); |
| void syncLayers(); |
| |
| // QGraphicsWebView can render composited layers |
| virtual bool allowsAcceleratedCompositing() const { return true; } |
| #endif |
| |
| virtual QRectF windowRect() const; |
| |
| QGraphicsWebView* view; |
| QWebPage* page; |
| bool viewResizesToContents; |
| |
| #if USE(ACCELERATED_COMPOSITING) |
| #if USE(TEXTURE_MAPPER) |
| PlatformLayerProxyQt* platformLayerProxy; |
| #else |
| QWeakPointer<QGraphicsObject> rootGraphicsLayer; |
| #endif |
| // we have to flush quite often, so we use a meta-method instead of QTimer::singleShot for putting the event in the queue |
| QMetaMethod syncMetaMethod; |
| |
| // we need to sync the layers if we get a special call from the WebCore |
| // compositor telling us to do so. We'll get that call from ChromeClientQt |
| bool shouldSync; |
| #endif |
| // the overlay gets instantiated when the root layer is attached, and get deleted when it's detached |
| QGraphicsItemOverlay* overlay; |
| |
| // we need to put the root graphics layer behind the overlay (which contains the scrollbar) |
| enum { RootGraphicsLayerZValue, OverlayZValue }; |
| }; |
| #endif // QT_NO_GRAPHICSVIEW |
| |
| } |
| #endif // PageClientQt |