| /* |
| * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. All rights reserved. |
| * Copyright (C) 2008 Collabora Ltd. All rights reserved. |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef SKY_ENGINE_PLATFORM_WIDGET_H_ |
| #define SKY_ENGINE_PLATFORM_WIDGET_H_ |
| |
| #include "sky/engine/platform/PlatformExport.h" |
| #include "sky/engine/platform/geometry/FloatPoint.h" |
| #include "sky/engine/platform/geometry/IntRect.h" |
| #include "sky/engine/wtf/Forward.h" |
| #include "sky/engine/wtf/RefCounted.h" |
| |
| namespace blink { |
| |
| class Event; |
| class GraphicsContext; |
| class HostWindow; |
| |
| // The Widget class serves as a base class for Scrollbar and FrameView. |
| class PLATFORM_EXPORT Widget : public RefCounted<Widget> { |
| public: |
| Widget(); |
| virtual ~Widget(); |
| |
| int x() const { return frameRect().x(); } |
| int y() const { return frameRect().y(); } |
| int width() const { return frameRect().width(); } |
| int height() const { return frameRect().height(); } |
| IntSize size() const { return frameRect().size(); } |
| IntPoint location() const { return frameRect().location(); } |
| |
| virtual void setFrameRect(const IntRect& frame) { m_frame = frame; } |
| const IntRect& frameRect() const { return m_frame; } |
| IntRect boundsRect() const { return IntRect(0, 0, width(), height()); } |
| |
| void resize(int w, int h) { setFrameRect(IntRect(x(), y(), w, h)); } |
| void resize(const IntSize& s) { setFrameRect(IntRect(location(), s)); } |
| void move(int x, int y) { setFrameRect(IntRect(x, y, width(), height())); } |
| void move(const IntPoint& p) { setFrameRect(IntRect(p, size())); } |
| |
| virtual void paint(GraphicsContext*, const IntRect&) { } |
| |
| virtual bool isFrameView() const { return false; } |
| |
| virtual HostWindow* hostWindow() const { ASSERT_NOT_REACHED(); return 0; } |
| Widget* parent() const { return m_parent; } |
| Widget* root() const; |
| |
| // Virtual methods to convert points to/from the containing ScrollView |
| virtual IntRect convertToContainingView(const IntRect& localRect) const { return localRect; } |
| virtual IntRect convertFromContainingView(const IntRect& localRect) const { return localRect; } |
| virtual IntPoint convertToContainingView(const IntPoint& localPoint) const { return localPoint; } |
| virtual IntPoint convertFromContainingView(const IntPoint& localPoint) const { return localPoint; } |
| |
| private: |
| Widget* m_parent; |
| IntRect m_frame; |
| }; |
| |
| } // namespace blink |
| |
| #endif // SKY_ENGINE_PLATFORM_WIDGET_H_ |