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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 |
| 11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
| 12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
| 13 * | 13 * |
| 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 */ | 25 */ |
| 26 | 26 |
| 27 #include "config.h" | 27 #include "sky/engine/config.h" |
| 28 #include "platform/Widget.h" | 28 #include "sky/engine/platform/Widget.h" |
| 29 | 29 |
| 30 | 30 |
| 31 #include "wtf/Assertions.h" | 31 #include "sky/engine/wtf/Assertions.h" |
| 32 | 32 |
| 33 namespace blink { | 33 namespace blink { |
| 34 | 34 |
| 35 Widget::Widget() | 35 Widget::Widget() |
| 36 : m_parent(0) | 36 : m_parent(0) |
| 37 { | 37 { |
| 38 } | 38 } |
| 39 | 39 |
| 40 Widget::~Widget() | 40 Widget::~Widget() |
| 41 { | 41 { |
| 42 } | 42 } |
| 43 | 43 |
| 44 Widget* Widget::root() const | 44 Widget* Widget::root() const |
| 45 { | 45 { |
| 46 const Widget* top = this; | 46 const Widget* top = this; |
| 47 while (top->parent()) | 47 while (top->parent()) |
| 48 top = top->parent(); | 48 top = top->parent(); |
| 49 if (top->isFrameView()) | 49 if (top->isFrameView()) |
| 50 return const_cast<Widget*>(static_cast<const Widget*>(top)); | 50 return const_cast<Widget*>(static_cast<const Widget*>(top)); |
| 51 return 0; | 51 return 0; |
| 52 } | 52 } |
| 53 | 53 |
| 54 } // namespace blink | 54 } // namespace blink |
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