1 | /* |
2 | * Copyright (C) 2008 Apple 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 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #pragma once |
27 | |
28 | #include "ScrollbarThemeComposite.h" |
29 | |
30 | namespace WebCore { |
31 | |
32 | class PlatformMouseEvent; |
33 | class Scrollbar; |
34 | class ScrollView; |
35 | |
36 | class RenderScrollbarTheme final : public ScrollbarThemeComposite { |
37 | public: |
38 | virtual ~RenderScrollbarTheme() = default; |
39 | |
40 | int scrollbarThickness(ScrollbarControlSize controlSize, ScrollbarExpansionState expansionState = ScrollbarExpansionState::Expanded) override { return ScrollbarTheme::theme().scrollbarThickness(controlSize, expansionState); } |
41 | |
42 | ScrollbarButtonsPlacement buttonsPlacement() const override { return ScrollbarTheme::theme().buttonsPlacement(); } |
43 | |
44 | bool supportsControlTints() const override { return true; } |
45 | |
46 | void paintScrollCorner(GraphicsContext&, const IntRect& cornerRect) override; |
47 | |
48 | ScrollbarButtonPressAction handleMousePressEvent(Scrollbar& scrollbar, const PlatformMouseEvent& event, ScrollbarPart pressedPart) override { return ScrollbarTheme::theme().handleMousePressEvent(scrollbar, event, pressedPart); } |
49 | |
50 | Seconds initialAutoscrollTimerDelay() override { return ScrollbarTheme::theme().initialAutoscrollTimerDelay(); } |
51 | Seconds autoscrollTimerDelay() override { return ScrollbarTheme::theme().autoscrollTimerDelay(); } |
52 | |
53 | void registerScrollbar(Scrollbar& scrollbar) override { return ScrollbarTheme::theme().registerScrollbar(scrollbar); } |
54 | void unregisterScrollbar(Scrollbar& scrollbar) override { return ScrollbarTheme::theme().unregisterScrollbar(scrollbar); } |
55 | |
56 | int minimumThumbLength(Scrollbar&) override; |
57 | |
58 | void buttonSizesAlongTrackAxis(Scrollbar&, int& beforeSize, int& afterSize); |
59 | |
60 | static RenderScrollbarTheme* renderScrollbarTheme(); |
61 | |
62 | protected: |
63 | bool hasButtons(Scrollbar&) override; |
64 | bool hasThumb(Scrollbar&) override; |
65 | |
66 | IntRect backButtonRect(Scrollbar&, ScrollbarPart, bool painting = false) override; |
67 | IntRect forwardButtonRect(Scrollbar&, ScrollbarPart, bool painting = false) override; |
68 | IntRect trackRect(Scrollbar&, bool painting = false) override; |
69 | |
70 | void willPaintScrollbar(GraphicsContext&, Scrollbar&) override; |
71 | void didPaintScrollbar(GraphicsContext&, Scrollbar&) override; |
72 | |
73 | void paintScrollbarBackground(GraphicsContext&, Scrollbar&) override; |
74 | void paintTrackBackground(GraphicsContext&, Scrollbar&, const IntRect&) override; |
75 | void paintTrackPiece(GraphicsContext&, Scrollbar&, const IntRect&, ScrollbarPart) override; |
76 | void paintButton(GraphicsContext&, Scrollbar&, const IntRect&, ScrollbarPart) override; |
77 | void paintThumb(GraphicsContext&, Scrollbar&, const IntRect&) override; |
78 | void paintTickmarks(GraphicsContext&, Scrollbar&, const IntRect&) override; |
79 | |
80 | IntRect constrainTrackRectToTrackPieces(Scrollbar&, const IntRect&) override; |
81 | }; |
82 | |
83 | } // namespace WebCore |
84 | |