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#include "config.h" 27 28#include "public/platform/WebScrollbarThemePainter.h" 29 30#include "platform/graphics/GraphicsContext.h" 31#include "platform/scroll/Scrollbar.h" 32#include "platform/scroll/ScrollbarTheme.h" 33#include "public/platform/WebRect.h" 34 35namespace blink { 36 37void WebScrollbarThemePainter::assign(const WebScrollbarThemePainter& painter) 38{ 39 // This is a pointer to a static object, so no ownership transferral. 40 m_theme = painter.m_theme; 41 m_scrollbar = painter.m_scrollbar; 42} 43 44void WebScrollbarThemePainter::paintScrollbarBackground(WebCanvas* canvas, const WebRect& rect) 45{ 46 SkRect clip = SkRect::MakeXYWH(rect.x, rect.y, rect.width, rect.height); 47 canvas->clipRect(clip); 48 49 GraphicsContext context(canvas); 50 context.setCertainlyOpaque(false); 51 m_theme->paintScrollbarBackground(&context, m_scrollbar); 52} 53 54void WebScrollbarThemePainter::paintTrackBackground(WebCanvas* canvas, const WebRect& rect) 55{ 56 GraphicsContext context(canvas); 57 context.setCertainlyOpaque(false); 58 m_theme->paintTrackBackground(&context, m_scrollbar, IntRect(rect)); 59} 60 61void WebScrollbarThemePainter::paintBackTrackPart(WebCanvas* canvas, const WebRect& rect) 62{ 63 GraphicsContext context(canvas); 64 context.setCertainlyOpaque(false); 65 m_theme->paintTrackPiece(&context, m_scrollbar, IntRect(rect), BackTrackPart); 66} 67 68void WebScrollbarThemePainter::paintForwardTrackPart(WebCanvas* canvas, const WebRect& rect) 69{ 70 GraphicsContext context(canvas); 71 context.setCertainlyOpaque(false); 72 m_theme->paintTrackPiece(&context, m_scrollbar, IntRect(rect), ForwardTrackPart); 73} 74 75void WebScrollbarThemePainter::paintBackButtonStart(WebCanvas* canvas, const WebRect& rect) 76{ 77 GraphicsContext context(canvas); 78 context.setCertainlyOpaque(false); 79 m_theme->paintButton(&context, m_scrollbar, IntRect(rect), BackButtonStartPart); 80} 81 82void WebScrollbarThemePainter::paintBackButtonEnd(WebCanvas* canvas, const WebRect& rect) 83{ 84 GraphicsContext context(canvas); 85 context.setCertainlyOpaque(false); 86 m_theme->paintButton(&context, m_scrollbar, IntRect(rect), BackButtonEndPart); 87} 88 89void WebScrollbarThemePainter::paintForwardButtonStart(WebCanvas* canvas, const WebRect& rect) 90{ 91 GraphicsContext context(canvas); 92 context.setCertainlyOpaque(false); 93 m_theme->paintButton(&context, m_scrollbar, IntRect(rect), ForwardButtonStartPart); 94} 95 96void WebScrollbarThemePainter::paintForwardButtonEnd(WebCanvas* canvas, const WebRect& rect) 97{ 98 GraphicsContext context(canvas); 99 context.setCertainlyOpaque(false); 100 m_theme->paintButton(&context, m_scrollbar, IntRect(rect), ForwardButtonEndPart); 101} 102 103void WebScrollbarThemePainter::paintTickmarks(WebCanvas* canvas, const WebRect& rect) 104{ 105 GraphicsContext context(canvas); 106 context.setCertainlyOpaque(false); 107 m_theme->paintTickmarks(&context, m_scrollbar, IntRect(rect)); 108} 109 110void WebScrollbarThemePainter::paintThumb(WebCanvas* canvas, const WebRect& rect) 111{ 112 GraphicsContext context(canvas); 113 context.setCertainlyOpaque(false); 114 m_theme->paintThumb(&context, m_scrollbar, IntRect(rect)); 115} 116 117WebScrollbarThemePainter::WebScrollbarThemePainter(ScrollbarTheme* theme, Scrollbar* scrollbar) 118 : m_theme(theme) 119 , m_scrollbar(scrollbar) 120{ 121} 122 123} // namespace blink 124