author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 01:32:07 +0300 | |
changeset 2 | 303757a437d3 |
parent 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2006 Apple Computer, Inc. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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* |
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*/ |
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#ifndef HitTestResult_h |
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#define HitTestResult_h |
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|
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#include "IntPoint.h" |
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#include "IntRect.h" |
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#include "IntSize.h" |
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#include "TextDirection.h" |
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#include <wtf/ListHashSet.h> |
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#include <wtf/RefPtr.h> |
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namespace WebCore { |
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class Element; |
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class Frame; |
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class Image; |
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class IntRect; |
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class KURL; |
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class Node; |
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class Scrollbar; |
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class String; |
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class HitTestResult { |
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public: |
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HitTestResult(const IntPoint&); |
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// Pass a non-negative IntSize value as padding to perform a rect-based hit test. |
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HitTestResult(const IntPoint& centerPoint, const IntSize& padding); |
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HitTestResult(const HitTestResult&); |
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~HitTestResult(); |
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HitTestResult& operator=(const HitTestResult&); |
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Node* innerNode() const { return m_innerNode.get(); } |
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Node* innerNonSharedNode() const { return m_innerNonSharedNode.get(); } |
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IntPoint point() const { return m_point; } |
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IntPoint localPoint() const { return m_localPoint; } |
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Element* URLElement() const { return m_innerURLElement.get(); } |
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Scrollbar* scrollbar() const { return m_scrollbar.get(); } |
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bool isOverWidget() const { return m_isOverWidget; } |
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void setToNonShadowAncestor(); |
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void setInnerNode(Node*); |
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void setInnerNonSharedNode(Node*); |
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void setPoint(const IntPoint& p) { m_point = p; } |
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void setLocalPoint(const IntPoint& p) { m_localPoint = p; } |
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void setURLElement(Element*); |
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void setScrollbar(Scrollbar*); |
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void setIsOverWidget(bool b) { m_isOverWidget = b; } |
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Frame* targetFrame() const; |
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bool isSelected() const; |
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String spellingToolTip(TextDirection&) const; |
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String replacedString() const; |
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String title(TextDirection&) const; |
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String altDisplayString() const; |
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String titleDisplayString() const; |
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Image* image() const; |
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IntRect imageRect() const; |
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KURL absoluteImageURL() const; |
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KURL absoluteMediaURL() const; |
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KURL absoluteLinkURL() const; |
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String textContent() const; |
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bool isLiveLink() const; |
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bool isContentEditable() const; |
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// Rect-based hit test related methods. |
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bool isRectBasedTest() const { return m_isRectBased; } |
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IntRect rectFromPoint(int x, int y) const; |
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IntRect rectFromPoint(const IntPoint&) const; |
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IntSize padding() const { return m_padding; } |
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int paddingWidth() const { return m_padding.width(); } |
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int paddingHeight() const { return m_padding.height(); } |
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// Returns true if it is rect-based hit test and needs to continue until the rect is fully |
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// enclosed by the boundaries of a node. |
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bool addNodeToRectBasedTestResult(Node*, int x, int y, const IntRect& rect = IntRect()); |
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const ListHashSet<RefPtr<Node> >& rectBasedTestResult() const { return m_rectBasedTestResult; } |
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void append(const HitTestResult&); |
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private: |
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RefPtr<Node> m_innerNode; |
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RefPtr<Node> m_innerNonSharedNode; |
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IntPoint m_point; |
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IntPoint m_localPoint; // A point in the local coordinate space of m_innerNonSharedNode's renderer. Allows us to efficiently |
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// determine where inside the renderer we hit on subsequent operations. |
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RefPtr<Element> m_innerURLElement; |
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RefPtr<Scrollbar> m_scrollbar; |
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bool m_isOverWidget; // Returns true if we are over a widget (and not in the border/padding area of a RenderWidget for example). |
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bool m_isRectBased; |
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IntSize m_padding; |
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ListHashSet<RefPtr<Node> > m_rectBasedTestResult; |
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}; |
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111 |
|
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inline IntRect HitTestResult::rectFromPoint(int x, int y) const |
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{ |
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return rectFromPoint(IntPoint(x, y)); |
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} |
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116 |
|
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// Formula: |
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// x = p.x() - padding.width() |
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// y = p.y() - padding.height() |
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// width = 2 * padding.width() + 1 |
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// height = 2 * m_padding.height() + 1 |
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inline IntRect HitTestResult::rectFromPoint(const IntPoint& point) const |
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{ |
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IntPoint realPoint(point); |
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IntSize realPadding(m_padding); |
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126 |
|
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// Real IntPoint for the rect. |
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realPadding.clampNegativeToZero(); |
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realPoint -= realPadding; |
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130 |
|
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// Real IntSize for the rect. |
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realPadding.scale(2); |
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realPadding += IntSize(1, 1); |
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134 |
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return IntRect(realPoint, realPadding); |
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} |
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String displayString(const String&, const Node*); |
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|
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} // namespace WebCore |
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|
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#endif // HitTestResult_h |