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| 1 /* | |
| 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | |
| 3 * (C) 2000 Simon Hausmann <hausmann@kde.org> | |
| 4 * Copyright (C) 2006, 2009 Apple Inc. All rights reserved. | |
| 5 * | |
| 6 * This library is free software; you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU Library General Public | |
| 8 * License as published by the Free Software Foundation; either | |
| 9 * version 2 of the License, or (at your option) any later version. | |
| 10 * | |
| 11 * This library is distributed in the hope that it will be useful, | |
| 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * Library General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU Library General Public License | |
| 17 * along with this library; see the file COPYING.LIB. If not, write to | |
| 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 19 * Boston, MA 02110-1301, USA. | |
| 20 * | |
| 21 */ | |
| 22 | |
| 23 #ifndef RenderPart_h | |
| 24 #define RenderPart_h | |
| 25 | |
| 26 #include "core/layout/LayoutReplaced.h" | |
| 27 #include "platform/Widget.h" | |
| 28 | |
| 29 namespace blink { | |
| 30 | |
| 31 // Renderer for frames via RenderFrame and RenderIFrame, and plug-ins via Render
EmbeddedObject. | |
| 32 class RenderPart : public LayoutReplaced { | |
| 33 public: | |
| 34 explicit RenderPart(Element*); | |
| 35 virtual ~RenderPart(); | |
| 36 | |
| 37 bool requiresAcceleratedCompositing() const; | |
| 38 | |
| 39 virtual bool needsPreferredWidthsRecalculation() const override final; | |
| 40 | |
| 41 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTes
tLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAct
ion) override; | |
| 42 | |
| 43 void ref() { ++m_refCount; } | |
| 44 void deref(); | |
| 45 | |
| 46 Widget* widget() const; | |
| 47 | |
| 48 void updateOnWidgetChange(); | |
| 49 void updateWidgetPosition(); | |
| 50 void widgetPositionsUpdated(); | |
| 51 bool updateWidgetGeometry(); | |
| 52 | |
| 53 virtual bool isRenderPart() const override final { return true; } | |
| 54 virtual void paintContents(const PaintInfo&, const LayoutPoint&); | |
| 55 | |
| 56 protected: | |
| 57 virtual LayerType layerTypeRequired() const override; | |
| 58 | |
| 59 virtual void styleDidChange(StyleDifference, const LayoutStyle* oldStyle) ov
erride final; | |
| 60 virtual void layout() override; | |
| 61 virtual void paint(const PaintInfo&, const LayoutPoint&) override; | |
| 62 virtual CursorDirective getCursor(const LayoutPoint&, Cursor&) const overrid
e final; | |
| 63 | |
| 64 private: | |
| 65 virtual const char* renderName() const override { return "RenderPart"; } | |
| 66 | |
| 67 virtual CompositingReasons additionalCompositingReasons() const override; | |
| 68 | |
| 69 virtual void willBeDestroyed() override final; | |
| 70 virtual void destroy() override final; | |
| 71 | |
| 72 bool setWidgetGeometry(const LayoutRect&); | |
| 73 | |
| 74 bool nodeAtPointOverWidget(const HitTestRequest&, HitTestResult&, const HitT
estLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestA
ction); | |
| 75 | |
| 76 int m_refCount; | |
| 77 }; | |
| 78 | |
| 79 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(RenderPart, isRenderPart()); | |
| 80 | |
| 81 } // namespace blink | |
| 82 | |
| 83 #endif // RenderPart_h | |
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Chromium Code Reviews
Issue 931003002:
Move and rename RenderPart to LayoutPart. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master