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// Copyright (c) 2012 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 "webkit/child/webthemeengine_impl_android.h"
#include "base/logging.h"
#include "skia/ext/platform_canvas.h"
#include "third_party/WebKit/public/platform/WebRect.h"
#include "third_party/WebKit/public/platform/WebSize.h"
#include "ui/native_theme/native_theme.h"
using blink::WebCanvas;
using blink::WebColor;
using blink::WebRect;
using blink::WebThemeEngine;
namespace webkit_glue {
static ui::NativeTheme::Part NativeThemePart(
WebThemeEngine::Part part) {
switch (part) {
case WebThemeEngine::PartScrollbarDownArrow:
return ui::NativeTheme::kScrollbarDownArrow;
case WebThemeEngine::PartScrollbarLeftArrow:
return ui::NativeTheme::kScrollbarLeftArrow;
case WebThemeEngine::PartScrollbarRightArrow:
return ui::NativeTheme::kScrollbarRightArrow;
case WebThemeEngine::PartScrollbarUpArrow:
return ui::NativeTheme::kScrollbarUpArrow;
case WebThemeEngine::PartScrollbarHorizontalThumb:
// Android doesn't draw scrollbars.
NOTREACHED();
return static_cast<ui::NativeTheme::Part>(0);
case WebThemeEngine::PartScrollbarVerticalThumb:
// Android doesn't draw scrollbars.
NOTREACHED();
return static_cast<ui::NativeTheme::Part>(0);
case WebThemeEngine::PartScrollbarHorizontalTrack:
// Android doesn't draw scrollbars.
NOTREACHED();
return static_cast<ui::NativeTheme::Part>(0);
case WebThemeEngine::PartScrollbarVerticalTrack:
// Android doesn't draw scrollbars.
NOTREACHED();
return static_cast<ui::NativeTheme::Part>(0);
case WebThemeEngine::PartCheckbox:
return ui::NativeTheme::kCheckbox;
case WebThemeEngine::PartRadio:
return ui::NativeTheme::kRadio;
case WebThemeEngine::PartButton:
return ui::NativeTheme::kPushButton;
case WebThemeEngine::PartTextField:
return ui::NativeTheme::kTextField;
case WebThemeEngine::PartMenuList:
return ui::NativeTheme::kMenuList;
case WebThemeEngine::PartSliderTrack:
return ui::NativeTheme::kSliderTrack;
case WebThemeEngine::PartSliderThumb:
return ui::NativeTheme::kSliderThumb;
case WebThemeEngine::PartInnerSpinButton:
return ui::NativeTheme::kInnerSpinButton;
case WebThemeEngine::PartProgressBar:
return ui::NativeTheme::kProgressBar;
default:
return ui::NativeTheme::kScrollbarDownArrow;
}
}
static ui::NativeTheme::State NativeThemeState(
WebThemeEngine::State state) {
switch (state) {
case WebThemeEngine::StateDisabled:
return ui::NativeTheme::kDisabled;
case WebThemeEngine::StateHover:
return ui::NativeTheme::kHovered;
case WebThemeEngine::StateNormal:
return ui::NativeTheme::kNormal;
case WebThemeEngine::StatePressed:
return ui::NativeTheme::kPressed;
default:
return ui::NativeTheme::kDisabled;
}
}
static void GetNativeThemeExtraParams(
WebThemeEngine::Part part,
WebThemeEngine::State state,
const WebThemeEngine::ExtraParams* extra_params,
ui::NativeTheme::ExtraParams* native_theme_extra_params) {
switch (part) {
case WebThemeEngine::PartScrollbarHorizontalTrack:
case WebThemeEngine::PartScrollbarVerticalTrack:
// Android doesn't draw scrollbars.
NOTREACHED();
break;
case WebThemeEngine::PartCheckbox:
native_theme_extra_params->button.checked = extra_params->button.checked;
native_theme_extra_params->button.indeterminate =
extra_params->button.indeterminate;
break;
case WebThemeEngine::PartRadio:
native_theme_extra_params->button.checked = extra_params->button.checked;
break;
case WebThemeEngine::PartButton:
native_theme_extra_params->button.is_default =
extra_params->button.isDefault;
native_theme_extra_params->button.has_border =
extra_params->button.hasBorder;
// Native buttons have a different focus style.
native_theme_extra_params->button.is_focused = false;
native_theme_extra_params->button.background_color =
extra_params->button.backgroundColor;
break;
case WebThemeEngine::PartTextField:
native_theme_extra_params->text_field.is_text_area =
extra_params->textField.isTextArea;
native_theme_extra_params->text_field.is_listbox =
extra_params->textField.isListbox;
native_theme_extra_params->text_field.background_color =
extra_params->textField.backgroundColor;
break;
case WebThemeEngine::PartMenuList:
native_theme_extra_params->menu_list.has_border =
extra_params->menuList.hasBorder;
native_theme_extra_params->menu_list.has_border_radius =
extra_params->menuList.hasBorderRadius;
native_theme_extra_params->menu_list.arrow_x =
extra_params->menuList.arrowX;
native_theme_extra_params->menu_list.arrow_y =
extra_params->menuList.arrowY;
native_theme_extra_params->menu_list.background_color =
extra_params->menuList.backgroundColor;
break;
case WebThemeEngine::PartSliderTrack:
case WebThemeEngine::PartSliderThumb:
native_theme_extra_params->slider.vertical =
extra_params->slider.vertical;
native_theme_extra_params->slider.in_drag = extra_params->slider.inDrag;
break;
case WebThemeEngine::PartInnerSpinButton:
native_theme_extra_params->inner_spin.spin_up =
extra_params->innerSpin.spinUp;
native_theme_extra_params->inner_spin.read_only =
extra_params->innerSpin.readOnly;
break;
case WebThemeEngine::PartProgressBar:
native_theme_extra_params->progress_bar.determinate =
extra_params->progressBar.determinate;
native_theme_extra_params->progress_bar.value_rect_x =
extra_params->progressBar.valueRectX;
native_theme_extra_params->progress_bar.value_rect_y =
extra_params->progressBar.valueRectY;
native_theme_extra_params->progress_bar.value_rect_width =
extra_params->progressBar.valueRectWidth;
native_theme_extra_params->progress_bar.value_rect_height =
extra_params->progressBar.valueRectHeight;
break;
default:
break; // Parts that have no extra params get here.
}
}
blink::WebSize WebThemeEngineImpl::getSize(WebThemeEngine::Part part) {
ui::NativeTheme::ExtraParams extra;
return ui::NativeTheme::instance()->GetPartSize(
NativeThemePart(part), ui::NativeTheme::kNormal, extra);
}
void WebThemeEngineImpl::paint(
blink::WebCanvas* canvas,
WebThemeEngine::Part part,
WebThemeEngine::State state,
const blink::WebRect& rect,
const WebThemeEngine::ExtraParams* extra_params) {
ui::NativeTheme::ExtraParams native_theme_extra_params;
GetNativeThemeExtraParams(
part, state, extra_params, &native_theme_extra_params);
ui::NativeTheme::instance()->Paint(
canvas,
NativeThemePart(part),
NativeThemeState(state),
gfx::Rect(rect),
native_theme_extra_params);
}
} // namespace webkit_glue
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