| /* |
| * Copyright (C) 2008 Apple 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 INC. ``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 INC. OR |
| * 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_PLATFORM_SCROLL_SCROLLBAR_THEME_MAC_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCROLL_SCROLLBAR_THEME_MAC_H_ |
| |
| #include <AppKit/AppKit.h> |
| |
| #include "third_party/blink/renderer/platform/mac/ns_scroller_imp_details.h" |
| #include "third_party/blink/renderer/platform/scroll/scrollbar_theme.h" |
| #include "third_party/blink/renderer/platform/scroll/web_scrollbar_theme_client.h" |
| |
| typedef id ScrollbarPainter; |
| |
| namespace blink { |
| |
| class Pattern; |
| |
| class PLATFORM_EXPORT ScrollbarThemeMac : public ScrollbarTheme, |
| public WebScrollbarThemeClient { |
| public: |
| ScrollbarThemeMac(); |
| ~ScrollbarThemeMac() override; |
| |
| void RegisterScrollbar(Scrollbar&) override; |
| void UnregisterScrollbar(Scrollbar&) override; |
| |
| bool SupportsControlTints() const override { return true; } |
| |
| // On Mac, the painting code itself animates the opacity so there's no need |
| // to disable in order to make the scrollbars invisible. In fact, |
| // disabling/enabling causes invalidations which can cause endless loops as |
| // Mac queues up scrollbar paint timers. |
| bool ShouldDisableInvisibleScrollbars() const override { return false; } |
| |
| TimeDelta InitialAutoscrollTimerDelay() override; |
| TimeDelta AutoscrollTimerDelay() override; |
| |
| void PaintTickmarks(GraphicsContext&, |
| const Scrollbar&, |
| const IntRect&) override; |
| |
| bool ShouldCenterOnThumb(const Scrollbar&, const WebMouseEvent&) override; |
| |
| bool ShouldRepaintAllPartsOnInvalidation() const override { return false; } |
| ScrollbarPart InvalidateOnThumbPositionChange( |
| const Scrollbar&, |
| float old_position, |
| float new_position) const override; |
| void UpdateEnabledState(const Scrollbar&) override; |
| int ScrollbarThickness(ScrollbarControlSize = kRegularScrollbar) override; |
| bool UsesOverlayScrollbars() const override; |
| void UpdateScrollbarOverlayColorTheme(const Scrollbar&) override; |
| WebScrollbarButtonsPlacement ButtonsPlacement() const override; |
| |
| void SetNewPainterForScrollbar(Scrollbar&, ScrollbarPainter); |
| ScrollbarPainter PainterForScrollbar(const Scrollbar&) const; |
| |
| void PaintTrackBackground(GraphicsContext&, |
| const Scrollbar&, |
| const IntRect&) override; |
| void PaintThumb(GraphicsContext& context, |
| const Scrollbar& scrollbar, |
| const IntRect& rect) override { |
| PaintThumbInternal(context, scrollbar, rect, 1.0f); |
| } |
| void PaintThumbWithOpacity(GraphicsContext& context, |
| const Scrollbar& scrollbar, |
| const IntRect& rect) override { |
| PaintThumbInternal(context, scrollbar, rect, ThumbOpacity(scrollbar)); |
| } |
| |
| float ThumbOpacity(const Scrollbar&) const override; |
| |
| void PreferencesChanged() override; |
| |
| static NSScrollerStyle RecommendedScrollerStyle(); |
| static void SetJumpOnTrackClick(bool); |
| |
| protected: |
| int MaxOverlapBetweenPages() override { return 40; } |
| |
| bool ShouldDragDocumentInsteadOfThumb(const Scrollbar&, |
| const WebMouseEvent&) override; |
| int ScrollbarPartToHIPressedState(ScrollbarPart); |
| |
| virtual void UpdateButtonPlacement(WebScrollbarButtonsPlacement) {} |
| |
| IntRect TrackRect(const Scrollbar&, bool painting = false) override; |
| IntRect BackButtonRect(const Scrollbar&, |
| ScrollbarPart, |
| bool painting = false) override; |
| IntRect ForwardButtonRect(const Scrollbar&, |
| ScrollbarPart, |
| bool painting = false) override; |
| |
| bool HasButtons(const Scrollbar&) override { return false; } |
| bool HasThumb(const Scrollbar&) override; |
| |
| int MinimumThumbLength(const Scrollbar&) override; |
| |
| int TickmarkBorderWidth() override { return 1; } |
| |
| void PaintThumbInternal(GraphicsContext&, |
| const Scrollbar&, |
| const IntRect&, |
| float opacity); |
| |
| scoped_refptr<Pattern> overhang_pattern_; |
| }; |
| } |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCROLL_SCROLLBAR_THEME_MAC_H_ |