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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 WebScrollbarThemeGeometryNative_h | |
| 27 #define WebScrollbarThemeGeometryNative_h | |
| 28 | |
| 29 #include "platform/PlatformExport.h" | |
| 30 #include "public/platform/WebRect.h" | |
| 31 #include "public/platform/WebScrollbarThemeGeometry.h" | |
| 32 #include "wtf/PassOwnPtr.h" | |
| 33 | |
| 34 namespace blink { | |
| 35 | |
| 36 class Scrollbar; | |
| 37 class WebScrollbar; | |
| 38 | |
| 39 class PLATFORM_EXPORT WebScrollbarThemeGeometryNative : public WebScrollbarTheme
Geometry { | |
| 40 public: | |
| 41 static PassOwnPtr<WebScrollbarThemeGeometryNative> create(Scrollbar*); | |
| 42 | |
| 43 // WebScrollbarThemeGeometry overrides | |
| 44 virtual WebScrollbarThemeGeometryNative* clone() const override; | |
| 45 virtual int thumbPosition() override; | |
| 46 virtual int thumbLength() override; | |
| 47 virtual int trackPosition() override; | |
| 48 virtual int trackLength() override; | |
| 49 virtual WebRect trackRect() override; | |
| 50 virtual WebRect thumbRect() override; | |
| 51 virtual int minimumThumbLength() override; | |
| 52 virtual int scrollbarThickness() override; | |
| 53 virtual void splitTrack(const WebRect& track, WebRect& startTrack, WebRect&
thumb, WebRect& endTrack) override; | |
| 54 | |
| 55 private: | |
| 56 explicit WebScrollbarThemeGeometryNative(Scrollbar*); | |
| 57 | |
| 58 // The theme is not owned by this class. It is assumed that the theme is a | |
| 59 // static pointer and its lifetime is essentially infinite. Only thread-safe | |
| 60 // functions on the theme can be called by this theme. | |
| 61 Scrollbar* m_scrollbar; | |
| 62 }; | |
| 63 | |
| 64 } // namespace blink | |
| 65 | |
| 66 #endif | |
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