Remove WebThemeEngine

sky/viewer/platform/webthemeengine_impl.cc

-// Copyright 2014 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 "sky/viewer/platform/webthemeengine_impl.h"
-
-#include "skia/ext/platform_canvas.h"
-#include "sky/engine/public/platform/WebRect.h"
-#include "sky/engine/public/platform/WebSize.h"
-#include "ui/native_theme/native_theme.h"
-
-using blink::WebCanvas;
-using blink::WebColor;
-using blink::WebRect;
-using blink::WebThemeEngine;
-
-namespace sky {
-
-#if !defined(OS_ANDROID)
-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:
-      return ui::NativeTheme::kScrollbarHorizontalThumb;
-    case WebThemeEngine::PartScrollbarVerticalThumb:
-      return ui::NativeTheme::kScrollbarVerticalThumb;
-    case WebThemeEngine::PartScrollbarHorizontalTrack:
-      return ui::NativeTheme::kScrollbarHorizontalTrack;
-    case WebThemeEngine::PartScrollbarVerticalTrack:
-      return ui::NativeTheme::kScrollbarVerticalTrack;
-    case WebThemeEngine::PartCheckbox:
-      return ui::NativeTheme::kCheckbox;
-    case WebThemeEngine::PartRadio:
-      return ui::NativeTheme::kRadio;
-    case WebThemeEngine::PartButton:
-      return ui::NativeTheme::kPushButton;
-    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;
-  }
-}
-#endif
-
-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:
-      native_theme_extra_params->scrollbar_track.track_x =
-          extra_params->scrollbarTrack.trackX;
-      native_theme_extra_params->scrollbar_track.track_y =
-          extra_params->scrollbarTrack.trackY;
-      native_theme_extra_params->scrollbar_track.track_width =
-          extra_params->scrollbarTrack.trackWidth;
-      native_theme_extra_params->scrollbar_track.track_height =
-          extra_params->scrollbarTrack.trackHeight;
-      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::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) {
-#if defined(OS_ANDROID)
-  return blink::WebSize();
-#else
-  ui::NativeTheme::ExtraParams extra;
-  return ui::NativeTheme::instance()->GetPartSize(NativeThemePart(part),
-                                                   ui::NativeTheme::kNormal,
-                                                   extra);
-#endif
-}
-
-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);
-#if !defined(OS_ANDROID)
-  ui::NativeTheme::instance()->Paint(
-      canvas,
-      NativeThemePart(part),
-      NativeThemeState(state),
-      gfx::Rect(rect),
-      native_theme_extra_params);
-#endif
-}
-
-void WebThemeEngineImpl::paintStateTransition(blink::WebCanvas* canvas,
-                                              WebThemeEngine::Part part,
-                                              WebThemeEngine::State startState,
-                                              WebThemeEngine::State endState,
-                                              double progress,
-                                              const blink::WebRect& rect) {
-#if !defined(OS_ANDROID)
-  ui::NativeTheme::instance()->PaintStateTransition(
-      canvas,
-      NativeThemePart(part),
-      NativeThemeState(startState),
-      NativeThemeState(endState),
-      progress,
-      gfx::Rect(rect));
-#endif
-}
-
-}  // namespace sky