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| 1 /* | 1 /* |
| 2 * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved. |
| 3 * Copyright (C) 2013 Google Inc. All rights reserved. | 3 * Copyright (C) 2013 Google Inc. All rights reserved. |
| 4 * | 4 * |
| 5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
| 7 * are met: | 7 * are met: |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
| (...skipping 52 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 63 Widget* Widget::root() const | 63 Widget* Widget::root() const |
| 64 { | 64 { |
| 65 const Widget* top = this; | 65 const Widget* top = this; |
| 66 while (top->parent()) | 66 while (top->parent()) |
| 67 top = top->parent(); | 67 top = top->parent(); |
| 68 if (top->isFrameView()) | 68 if (top->isFrameView()) |
| 69 return const_cast<Widget*>(static_cast<const Widget*>(top)); | 69 return const_cast<Widget*>(static_cast<const Widget*>(top)); |
| 70 return 0; | 70 return 0; |
| 71 } | 71 } |
| 72 | 72 |
| 73 IntRect Widget::convertFromContainingWindow(const IntRect& windowRect) const | 73 IntRect Widget::convertFromRootFrame(const IntRect& rectInRootFrame) const |
| 74 { | 74 { |
| 75 if (const Widget* parentWidget = parent()) { | 75 if (const Widget* parentWidget = parent()) { |
| 76 IntRect parentRect = parentWidget->convertFromContainingWindow(windowRec
t); | 76 IntRect parentRect = parentWidget->convertFromRootFrame(rectInRootFrame)
; |
| 77 return convertFromContainingView(parentRect); | 77 return convertFromContainingWidget(parentRect); |
| 78 } | 78 } |
| 79 return windowRect; | 79 return rectInRootFrame; |
| 80 } | 80 } |
| 81 | 81 |
| 82 IntRect Widget::convertToContainingWindow(const IntRect& localRect) const | 82 IntRect Widget::convertToRootFrame(const IntRect& localRect) const |
| 83 { | 83 { |
| 84 if (const Widget* parentWidget = parent()) { | 84 if (const Widget* parentWidget = parent()) { |
| 85 IntRect parentRect = convertToContainingView(localRect); | 85 IntRect parentRect = convertToContainingWidget(localRect); |
| 86 return parentWidget->convertToContainingWindow(parentRect); | 86 return parentWidget->convertToRootFrame(parentRect); |
| 87 } | 87 } |
| 88 return localRect; | 88 return localRect; |
| 89 } | 89 } |
| 90 | 90 |
| 91 IntPoint Widget::convertFromContainingWindow(const IntPoint& windowPoint) const | 91 IntPoint Widget::convertFromRootFrame(const IntPoint& pointInRootFrame) const |
| 92 { | 92 { |
| 93 if (const Widget* parentWidget = parent()) { | 93 if (const Widget* parentWidget = parent()) { |
| 94 IntPoint parentPoint = parentWidget->convertFromContainingWindow(windowP
oint); | 94 IntPoint parentPoint = parentWidget->convertFromRootFrame(pointInRootFra
me); |
| 95 return convertFromContainingView(parentPoint); | 95 return convertFromContainingWidget(parentPoint); |
| 96 } | 96 } |
| 97 return windowPoint; | 97 return pointInRootFrame; |
| 98 } | 98 } |
| 99 | 99 |
| 100 FloatPoint Widget::convertFromContainingWindow(const FloatPoint& windowPoint) co
nst | 100 FloatPoint Widget::convertFromRootFrame(const FloatPoint& pointInRootFrame) cons
t |
| 101 { | 101 { |
| 102 // Widgets / windows are required to be IntPoint aligned, but we may need to
convert | 102 // Widgets / windows are required to be IntPoint aligned, but we may need to
convert |
| 103 // FloatPoint values within them (eg. for event co-ordinates). | 103 // FloatPoint values within them (eg. for event co-ordinates). |
| 104 IntPoint flooredPoint = flooredIntPoint(windowPoint); | 104 IntPoint flooredPoint = flooredIntPoint(pointInRootFrame); |
| 105 FloatPoint parentPoint = this->convertFromContainingWindow(flooredPoint); | 105 FloatPoint parentPoint = this->convertFromRootFrame(flooredPoint); |
| 106 FloatSize windowFraction = windowPoint - flooredPoint; | 106 FloatSize windowFraction = pointInRootFrame - flooredPoint; |
| 107 // Use linear interpolation handle any fractional value (eg. for iframes sub
ject to a transform | 107 // Use linear interpolation handle any fractional value (eg. for iframes sub
ject to a transform |
| 108 // beyond just a simple translation). | 108 // beyond just a simple translation). |
| 109 // FIXME: Add FloatPoint variants of all co-ordinate space conversion APIs. | 109 // FIXME: Add FloatPoint variants of all co-ordinate space conversion APIs. |
| 110 if (!windowFraction.isEmpty()) { | 110 if (!windowFraction.isEmpty()) { |
| 111 const int kFactor = 1000; | 111 const int kFactor = 1000; |
| 112 IntPoint parentLineEnd = this->convertFromContainingWindow(flooredPoint
+ roundedIntSize(windowFraction.scaledBy(kFactor))); | 112 IntPoint parentLineEnd = this->convertFromRootFrame(flooredPoint + round
edIntSize(windowFraction.scaledBy(kFactor))); |
| 113 FloatSize parentFraction = (parentLineEnd - parentPoint).scaledBy(1.0f /
kFactor); | 113 FloatSize parentFraction = (parentLineEnd - parentPoint).scaledBy(1.0f /
kFactor); |
| 114 parentPoint.move(parentFraction); | 114 parentPoint.move(parentFraction); |
| 115 } | 115 } |
| 116 return parentPoint; | 116 return parentPoint; |
| 117 } | 117 } |
| 118 | 118 |
| 119 IntPoint Widget::convertToContainingWindow(const IntPoint& localPoint) const | 119 IntPoint Widget::convertToRootFrame(const IntPoint& localPoint) const |
| 120 { | 120 { |
| 121 if (const Widget* parentWidget = parent()) { | 121 if (const Widget* parentWidget = parent()) { |
| 122 IntPoint parentPoint = convertToContainingView(localPoint); | 122 IntPoint parentPoint = convertToContainingWidget(localPoint); |
| 123 return parentWidget->convertToContainingWindow(parentPoint); | 123 return parentWidget->convertToRootFrame(parentPoint); |
| 124 } | 124 } |
| 125 return localPoint; | 125 return localPoint; |
| 126 } | 126 } |
| 127 | 127 |
| 128 IntRect Widget::convertToContainingView(const IntRect& localRect) const | 128 IntRect Widget::convertToContainingWidget(const IntRect& localRect) const |
| 129 { | 129 { |
| 130 if (const Widget* parentWidget = parent()) { | 130 if (const Widget* parentWidget = parent()) { |
| 131 IntRect parentRect(localRect); | 131 IntRect parentRect(localRect); |
| 132 parentRect.setLocation(parentWidget->convertChildToSelf(this, localRect.
location())); | 132 parentRect.setLocation(parentWidget->convertChildToSelf(this, localRect.
location())); |
| 133 return parentRect; | 133 return parentRect; |
| 134 } | 134 } |
| 135 return localRect; | 135 return localRect; |
| 136 } | 136 } |
| 137 | 137 |
| 138 IntRect Widget::convertFromContainingView(const IntRect& parentRect) const | 138 IntRect Widget::convertFromContainingWidget(const IntRect& parentRect) const |
| 139 { | 139 { |
| 140 if (const Widget* parentWidget = parent()) { | 140 if (const Widget* parentWidget = parent()) { |
| 141 IntRect localRect = parentRect; | 141 IntRect localRect = parentRect; |
| 142 localRect.setLocation(parentWidget->convertSelfToChild(this, localRect.l
ocation())); | 142 localRect.setLocation(parentWidget->convertSelfToChild(this, localRect.l
ocation())); |
| 143 return localRect; | 143 return localRect; |
| 144 } | 144 } |
| 145 | 145 |
| 146 return parentRect; | 146 return parentRect; |
| 147 } | 147 } |
| 148 | 148 |
| 149 IntPoint Widget::convertToContainingView(const IntPoint& localPoint) const | 149 IntPoint Widget::convertToContainingWidget(const IntPoint& localPoint) const |
| 150 { | 150 { |
| 151 if (const Widget* parentWidget = parent()) | 151 if (const Widget* parentWidget = parent()) |
| 152 return parentWidget->convertChildToSelf(this, localPoint); | 152 return parentWidget->convertChildToSelf(this, localPoint); |
| 153 | 153 |
| 154 return localPoint; | 154 return localPoint; |
| 155 } | 155 } |
| 156 | 156 |
| 157 IntPoint Widget::convertFromContainingView(const IntPoint& parentPoint) const | 157 IntPoint Widget::convertFromContainingWidget(const IntPoint& parentPoint) const |
| 158 { | 158 { |
| 159 if (const Widget* parentWidget = parent()) | 159 if (const Widget* parentWidget = parent()) |
| 160 return parentWidget->convertSelfToChild(this, parentPoint); | 160 return parentWidget->convertSelfToChild(this, parentPoint); |
| 161 | 161 |
| 162 return parentPoint; | 162 return parentPoint; |
| 163 } | 163 } |
| 164 | 164 |
| 165 IntPoint Widget::convertChildToSelf(const Widget*, const IntPoint& point) const | 165 IntPoint Widget::convertChildToSelf(const Widget*, const IntPoint& point) const |
| 166 { | 166 { |
| 167 return point; | 167 return point; |
| 168 } | 168 } |
| 169 | 169 |
| 170 IntPoint Widget::convertSelfToChild(const Widget*, const IntPoint& point) const | 170 IntPoint Widget::convertSelfToChild(const Widget*, const IntPoint& point) const |
| 171 { | 171 { |
| 172 return point; | 172 return point; |
| 173 } | 173 } |
| 174 | 174 |
| 175 } // namespace blink | 175 } // namespace blink |
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