| // Copyright 2016 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/gfx/animation/animation.h" |
| |
| #include <windows.h> |
| |
| #include "base/win/win_util.h" |
| |
| namespace gfx { |
| |
| // static |
| bool Animation::ShouldRenderRichAnimationImpl() { |
| BOOL result; |
| // Get "Turn off all unnecessary animations" value. |
| if (::SystemParametersInfo(SPI_GETCLIENTAREAANIMATION, 0, &result, 0)) { |
| return !!result; |
| } |
| return !base::win::IsCurrentSessionRemote(); |
| } |
| |
| // static |
| bool Animation::ScrollAnimationsEnabledBySystem() { |
| return ShouldRenderRichAnimation(); |
| } |
| |
| // static |
| void Animation::UpdatePrefersReducedMotion() { |
| // prefers_reduced_motion_ should only be modified on the UI thread. |
| // TODO(crbug.com/927163): DCHECK this assertion once tests are well-behaved. |
| |
| // We default to assuming that animations are enabled, to avoid impacting the |
| // experience for users on systems that don't have SPI_GETCLIENTAREAANIMATION. |
| BOOL win_anim_enabled = true; |
| SystemParametersInfo(SPI_GETCLIENTAREAANIMATION, 0, &win_anim_enabled, 0); |
| prefers_reduced_motion_ = !win_anim_enabled; |
| } |
| |
| } // namespace gfx |
