15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2004, 2005, 2006, 2009, 2010 Apple Inc. All rights reserved. 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef RenderWidget_h 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define RenderWidget_h 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2553e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/platform/Widget.h" 2653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/RenderReplaced.h" 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)namespace WebCore { 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class WidgetHierarchyUpdatesSuspensionScope { 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) WidgetHierarchyUpdatesSuspensionScope() 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) s_widgetHierarchyUpdateSuspendCount++; 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ~WidgetHierarchyUpdatesSuspensionScope() 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(s_widgetHierarchyUpdateSuspendCount); 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (s_widgetHierarchyUpdateSuspendCount == 1) 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) moveWidgets(); 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) s_widgetHierarchyUpdateSuspendCount--; 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) static bool isSuspended() { return s_widgetHierarchyUpdateSuspendCount; } 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) static void scheduleWidgetToMove(Widget* widget, FrameView* frame) { widgetNewParentMap().set(widget, frame); } 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) typedef HashMap<RefPtr<Widget>, FrameView*> WidgetToParentMap; 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) static WidgetToParentMap& widgetNewParentMap(); 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void moveWidgets(); 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) static unsigned s_widgetHierarchyUpdateSuspendCount; 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 5502772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 561fad5ca6c42d689812b66fc493992aa6d747a6fbBen Murdochclass RenderWidget : public RenderReplaced { 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual ~RenderWidget(); 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) Widget* widget() const { return m_widget.get(); } 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual void setWidget(PassRefPtr<Widget>); 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) static RenderWidget* find(const Widget*); 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void updateWidgetPosition(); 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void widgetPositionsUpdated(); 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) IntRect windowClipRect() const; 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 691fad5ca6c42d689812b66fc493992aa6d747a6fbBen Murdoch void setIsOverlapped(bool); 701fad5ca6c42d689812b66fc493992aa6d747a6fbBen Murdoch 71f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) void ref() { ++m_refCount; } 72f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) void deref(); 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)protected: 75926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) RenderWidget(Element*); 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FrameView* frameView() const { return m_frameView; } 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void clearWidget(); 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 8153e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE FINAL; 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual void layout(); 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual void paint(PaintInfo&, const LayoutPoint&); 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual CursorDirective getCursor(const LayoutPoint&, Cursor&) const; 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE; 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 87926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) virtual void paintContents(PaintInfo&, const LayoutPoint&); 88926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 9053e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) virtual bool isWidget() const OVERRIDE FINAL { return true; } 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 9253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) virtual void willBeDestroyed() OVERRIDE FINAL; 9353e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) virtual void destroy() OVERRIDE FINAL; 945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool setWidgetGeometry(const LayoutRect&); 965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool updateWidgetGeometry(); 975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RefPtr<Widget> m_widget; 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FrameView* m_frameView; 1005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) IntRect m_clipRect; // The rectangle needs to remain correct after scrolling, so it is stored in content view coordinates, and not clipped to window. 1015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int m_refCount; 1025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 1035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)inline RenderWidget* toRenderWidget(RenderObject* object) 1055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 106926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isWidget()); 1075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<RenderWidget*>(object); 1085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)inline const RenderWidget* toRenderWidget(const RenderObject* object) 1115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 112926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isWidget()); 1135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<const RenderWidget*>(object); 1145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// This will catch anyone doing an unnecessary cast. 1175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void toRenderWidget(const RenderWidget*); 1185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} // namespace WebCore 1205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // RenderWidget_h 122