| /* |
| * Copyright (C) 2013 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER 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. |
| */ |
| |
| #include "third_party/blink/public/platform/mac/web_scrollbar_theme.h" |
| |
| #import <AppKit/AppKit.h> |
| |
| #include "third_party/blink/renderer/platform/mac/ns_scroller_imp_details.h" |
| #include "third_party/blink/renderer/platform/scroll/scrollbar_theme_mac.h" |
| |
| namespace blink { |
| |
| static_assert(static_cast<NSScrollerStyle>(kScrollerStyleLegacy) == |
| NSScrollerStyleLegacy, |
| "ScrollerStyleLegacy must match NSScrollerStyleLegacy"); |
| static_assert(static_cast<NSScrollerStyle>(kScrollerStyleOverlay) == |
| NSScrollerStyleOverlay, |
| "ScrollerStyleOverlay must match NSScrollerStyleOverlay"); |
| |
| typedef WTF::HashSet<WebScrollbarThemeClient*> ClientSet; |
| |
| static ClientSet& GetClientSet() { |
| DEFINE_STATIC_LOCAL(ClientSet, set, ()); |
| return set; |
| } |
| |
| static float s_initial_button_delay = 0.5f; |
| static float s_autoscroll_button_delay = 0.05f; |
| static ScrollerStyle s_preferred_scroller_style = kScrollerStyleLegacy; |
| static bool s_jump_on_track_click = false; |
| |
| void WebScrollbarTheme::UpdateScrollbarsWithNSDefaults( |
| float initial_button_delay, |
| float autoscroll_button_delay, |
| ScrollerStyle preferred_scroller_style, |
| bool redraw, |
| bool jump_on_track_click) { |
| s_initial_button_delay = initial_button_delay; |
| s_autoscroll_button_delay = autoscroll_button_delay; |
| s_preferred_scroller_style = preferred_scroller_style; |
| s_jump_on_track_click = jump_on_track_click; |
| |
| if (redraw && !GetClientSet().IsEmpty()) { |
| for (auto* client : GetClientSet()) { |
| client->PreferencesChanged(); |
| } |
| } |
| } |
| |
| float WebScrollbarTheme::InitialButtonDelay() { |
| return s_initial_button_delay; |
| } |
| |
| float WebScrollbarTheme::AutoscrollButtonDelay() { |
| return s_autoscroll_button_delay; |
| } |
| |
| ScrollerStyle WebScrollbarTheme::PreferredScrollerStyle() { |
| return s_preferred_scroller_style; |
| } |
| |
| bool WebScrollbarTheme::JumpOnTrackClick() { |
| return s_jump_on_track_click; |
| } |
| |
| void WebScrollbarTheme::RegisterClient(WebScrollbarThemeClient& client) { |
| GetClientSet().insert(&client); |
| } |
| |
| void WebScrollbarTheme::UnregisterClient(WebScrollbarThemeClient& client) { |
| GetClientSet().erase(&client); |
| } |
| |
| } // namespace blink |