| /* |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_SCROLL_SCROLLBAR_THEME_OVERLAY_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_SCROLL_SCROLLBAR_THEME_OVERLAY_H_ |
| |
| #include "third_party/blink/renderer/core/scroll/scrollbar_theme.h" |
| #include "third_party/blink/renderer/platform/graphics/color.h" |
| |
| namespace blink { |
| |
| // This scrollbar theme is used to get overlay scrollbar for platforms other |
| // than Mac. Mac's overlay scrollbars are in ScrollbarThemeMac*. |
| class CORE_EXPORT ScrollbarThemeOverlay : public ScrollbarTheme { |
| public: |
| enum HitTestBehavior { kAllowHitTest, kDisallowHitTest }; |
| |
| ScrollbarThemeOverlay(int thumb_thickness, |
| int scrollbar_margin, |
| HitTestBehavior); |
| ScrollbarThemeOverlay(int thumb_thickness, |
| int scrollbar_margin, |
| HitTestBehavior, |
| Color); |
| ~ScrollbarThemeOverlay() override = default; |
| |
| bool ShouldRepaintAllPartsOnInvalidation() const override; |
| |
| ScrollbarPart InvalidateOnThumbPositionChange( |
| const Scrollbar&, |
| float old_position, |
| float new_position) const override; |
| |
| int ScrollbarThickness(ScrollbarControlSize) override; |
| int ScrollbarMargin() const override; |
| bool UsesOverlayScrollbars() const override; |
| TimeDelta OverlayScrollbarFadeOutDelay() const override; |
| TimeDelta OverlayScrollbarFadeOutDuration() const override; |
| |
| int ThumbLength(const Scrollbar&) override; |
| |
| bool HasButtons(const Scrollbar&) override { return false; } |
| bool HasThumb(const Scrollbar&) override; |
| |
| IntRect BackButtonRect(const Scrollbar&, |
| ScrollbarPart, |
| bool painting = false) override; |
| IntRect ForwardButtonRect(const Scrollbar&, |
| ScrollbarPart, |
| bool painting = false) override; |
| IntRect TrackRect(const Scrollbar&, bool painting = false) override; |
| int ThumbThickness(const Scrollbar&) override; |
| int ThumbThickness() { return thumb_thickness_; } |
| |
| void PaintThumb(GraphicsContext&, const Scrollbar&, const IntRect&) override; |
| ScrollbarPart HitTest(const Scrollbar&, const IntPoint&) override; |
| |
| bool UsesNinePatchThumbResource() const override; |
| IntSize NinePatchThumbCanvasSize(const Scrollbar&) const override; |
| IntRect NinePatchThumbAperture(const Scrollbar&) const override; |
| |
| int MinimumThumbLength(const Scrollbar&) override; |
| |
| bool IsMobileTheme() const; |
| |
| static ScrollbarThemeOverlay& MobileTheme(); |
| |
| private: |
| int thumb_thickness_; |
| int scrollbar_margin_; |
| HitTestBehavior allow_hit_test_; |
| Color color_; |
| bool is_mobile_theme_; |
| const bool use_solid_color_; |
| }; |
| |
| } // namespace blink |
| |
| #endif |