| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2006 Apple Computer, Inc. |
| * |
| * 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 SKY_ENGINE_CORE_RENDERING_RENDERVIEW_H_ |
| #define SKY_ENGINE_CORE_RENDERING_RENDERVIEW_H_ |
| |
| #include "sky/engine/core/frame/FrameView.h" |
| #include "sky/engine/core/rendering/RenderFlexibleBox.h" |
| #include "sky/engine/wtf/OwnPtr.h" |
| |
| namespace blink { |
| |
| // The root of the render tree, corresponding to the CSS initial containing block. |
| // It's dimensions match that of the logical viewport (which may be different from |
| // the visible viewport in fixed-layout mode), and it is always at position (0,0) |
| // relative to the document (and so isn't necessarily in view). |
| class RenderView final : public RenderFlexibleBox { |
| public: |
| explicit RenderView(Document*); |
| virtual ~RenderView(); |
| |
| bool hitTest(const HitTestRequest&, HitTestResult&); |
| bool hitTest(const HitTestRequest&, const HitTestLocation&, HitTestResult&); |
| |
| // Returns the total count of calls to HitTest, for testing. |
| unsigned hitTestCount() const { return m_hitTestCount; } |
| |
| virtual const char* renderName() const override { return "RenderView"; } |
| |
| virtual bool isRenderView() const override { return true; } |
| |
| virtual LayerType layerTypeRequired() const override { return NormalLayer; } |
| |
| virtual bool isChildAllowed(RenderObject*, RenderStyle*) const override; |
| |
| virtual void layout() override; |
| virtual void updateLogicalWidth() override; |
| virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues&) const override; |
| |
| // The same as the FrameView's layoutHeight/layoutWidth but with null check guards. |
| int viewHeight() const; |
| int viewWidth() const; |
| int viewLogicalWidth() const { return viewWidth(); } |
| int viewLogicalHeight() const; |
| LayoutUnit viewLogicalHeightForPercentages() const; |
| |
| FrameView* frameView() const { return m_frameView; } |
| |
| virtual void paint(PaintInfo&, const LayoutPoint&, Vector<RenderBox*>& layers) override; |
| virtual void paintBoxDecorationBackground(PaintInfo&, const LayoutPoint&) override; |
| |
| void setSelection(RenderObject* start, int startPos, RenderObject*, int endPos); |
| void getSelection(RenderObject*& startRenderer, int& startOffset, RenderObject*& endRenderer, int& endOffset) const; |
| void clearSelection(); |
| RenderObject* selectionStart() const { return m_selectionStart; } |
| RenderObject* selectionEnd() const { return m_selectionEnd; } |
| void selectionStartEnd(int& startPos, int& endPos) const; |
| |
| virtual void absoluteQuads(Vector<FloatQuad>&) const override; |
| |
| virtual LayoutRect viewRect() const override; |
| |
| IntRect unscaledDocumentRect() const; |
| LayoutRect backgroundRect(RenderBox* backgroundRenderer) const; |
| |
| IntRect documentRect() const; |
| |
| double layoutViewportWidth() const; |
| double layoutViewportHeight() const; |
| |
| private: |
| virtual void mapLocalToContainer(const RenderBox* paintInvalidationContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip) const override; |
| virtual const RenderObject* pushMappingToContainer(const RenderBox* ancestorToStopAt, RenderGeometryMap&) const override; |
| virtual void mapAbsoluteToLocalPoint(MapCoordinatesFlags, TransformState&) const override; |
| |
| void positionDialog(RenderBox*); |
| void positionDialogs(); |
| |
| FrameView* m_frameView; |
| |
| RawPtr<RenderObject> m_selectionStart; |
| RawPtr<RenderObject> m_selectionEnd; |
| |
| int m_selectionStartPos; |
| int m_selectionEndPos; |
| |
| unsigned m_renderCounterCount; |
| |
| unsigned m_hitTestCount; |
| }; |
| |
| DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderView, isRenderView()); |
| |
| } // namespace blink |
| |
| #endif // SKY_ENGINE_CORE_RENDERING_RENDERVIEW_H_ |