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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/child/webthemeengine_impl_mac.h"
#include "content/child/webthemeengine_impl_conversions.h"
#include "ui/native_theme/native_theme.h"
namespace content {
blink::ForcedColors WebThemeEngineMac::GetForcedColors() const {
return forced_colors_;
}
void WebThemeEngineMac::SetForcedColors(
const blink::ForcedColors forced_colors) {
forced_colors_ = forced_colors;
}
void WebThemeEngineMac::Paint(cc::PaintCanvas* canvas,
WebThemeEngine::Part part,
WebThemeEngine::State state,
const blink::WebRect& rect,
const WebThemeEngine::ExtraParams* extra_params,
blink::WebColorScheme color_scheme) {
if (IsScrollbarPart(part)) {
PaintMacScrollBarParts(canvas, part, state, rect, extra_params,
color_scheme);
return;
}
WebThemeEngineDefault::Paint(canvas, part, state, rect, extra_params,
color_scheme);
}
bool WebThemeEngineMac::IsScrollbarPart(WebThemeEngine::Part part) {
switch (part) {
case WebThemeEngine::kPartScrollbarHorizontalTrack:
case WebThemeEngine::kPartScrollbarVerticalTrack:
case WebThemeEngine::kPartScrollbarHorizontalThumb:
case WebThemeEngine::kPartScrollbarVerticalThumb:
case WebThemeEngine::kPartScrollbarCorner:
return true;
default:
return false;
}
}
void WebThemeEngineMac::PaintMacScrollBarParts(
cc::PaintCanvas* canvas,
WebThemeEngine::Part part,
WebThemeEngine::State state,
const blink::WebRect& rect,
const WebThemeEngine::ExtraParams* extra_params,
blink::WebColorScheme color_scheme) {
ui::NativeTheme::ExtraParams native_theme_extra_params;
native_theme_extra_params.scrollbar_extra.is_hovering =
extra_params->scrollbar_extra.is_hovering;
native_theme_extra_params.scrollbar_extra.is_overlay =
extra_params->scrollbar_extra.is_overlay;
switch (extra_params->scrollbar_extra.orientation) {
case WebThemeEngine::kVerticalOnRight:
native_theme_extra_params.scrollbar_extra.orientation =
ui::NativeTheme::ScrollbarOrientation::kVerticalOnRight;
break;
case WebThemeEngine::kVerticalOnLeft:
native_theme_extra_params.scrollbar_extra.orientation =
ui::NativeTheme::ScrollbarOrientation::kVerticalOnLeft;
break;
case WebThemeEngine::kHorizontal:
native_theme_extra_params.scrollbar_extra.orientation =
ui::NativeTheme::ScrollbarOrientation::kHorizontal;
break;
}
ui::NativeTheme::GetInstanceForNativeUi()->Paint(
canvas, NativeThemePart(part), NativeThemeState(state), gfx::Rect(rect),
native_theme_extra_params, NativeColorScheme(color_scheme));
}
} // namespace content
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