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| 1 /* | |
| 2 * Copyright (C) 2012 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * | |
| 8 * 1. Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 * notice, this list of conditions and the following disclaimer in the | |
| 12 * documentation and/or other materials provided with the distribution. | |
| 13 * | |
| 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
| 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
| 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
| 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
| 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef WebScrollbarThemePainter_h | |
| 27 #define WebScrollbarThemePainter_h | |
| 28 | |
| 29 #include "WebCanvas.h" | |
| 30 | |
| 31 namespace blink { | |
| 32 | |
| 33 class Scrollbar; | |
| 34 class WebScrollbar; | |
| 35 struct WebRect; | |
| 36 | |
| 37 class WebScrollbarThemePainter { | |
| 38 public: | |
| 39 WebScrollbarThemePainter() : m_scrollbar(0) { } | |
| 40 WebScrollbarThemePainter(const WebScrollbarThemePainter& painter) { assign(p
ainter); } | |
| 41 virtual ~WebScrollbarThemePainter() { } | |
| 42 WebScrollbarThemePainter& operator=(const WebScrollbarThemePainter& painter) | |
| 43 { | |
| 44 assign(painter); | |
| 45 return *this; | |
| 46 } | |
| 47 | |
| 48 BLINK_EXPORT void assign(const WebScrollbarThemePainter&); | |
| 49 | |
| 50 BLINK_EXPORT void paintThumb(WebCanvas*, const WebRect&); | |
| 51 | |
| 52 #if BLINK_IMPLEMENTATION | |
| 53 WebScrollbarThemePainter(Scrollbar*); | |
| 54 #endif | |
| 55 | |
| 56 private: | |
| 57 // It is assumed that the constructor of this paint object is responsible | |
| 58 // for the lifetime of this scrollbar. The painter has to use the real | |
| 59 // scrollbar (and not a WebScrollbar wrapper) due to static_casts for | |
| 60 // RenderScrollbar and pointer-based HashMap lookups for Lion scrollbars. | |
| 61 Scrollbar* m_scrollbar; | |
| 62 }; | |
| 63 | |
| 64 } // namespace blink | |
| 65 | |
| 66 #endif | |
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