content/child/webthemeengine_impl_default.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/child/webthemeengine_impl_default.h"
   6
   7 #include "skia/ext/platform_canvas.h"
   8 #include "third_party/WebKit/public/platform/WebRect.h"
   9 #include "third_party/WebKit/public/platform/WebSize.h"
  10 #include "ui/native_theme/native_theme.h"
  11
  12 using blink::WebCanvas;
  13 using blink::WebColor;
  14 using blink::WebRect;
  15 using blink::WebThemeEngine;
  16
  17 namespace content {
  18
  19 static ui::NativeTheme::Part NativeThemePart(
  20     WebThemeEngine::Part part) {
  21   switch (part) {
  22     case WebThemeEngine::PartScrollbarDownArrow:
  23       return ui::NativeTheme::kScrollbarDownArrow;
  24     case WebThemeEngine::PartScrollbarLeftArrow:
  25       return ui::NativeTheme::kScrollbarLeftArrow;
  26     case WebThemeEngine::PartScrollbarRightArrow:
  27       return ui::NativeTheme::kScrollbarRightArrow;
  28     case WebThemeEngine::PartScrollbarUpArrow:
  29       return ui::NativeTheme::kScrollbarUpArrow;
  30     case WebThemeEngine::PartScrollbarHorizontalThumb:
  31       return ui::NativeTheme::kScrollbarHorizontalThumb;
  32     case WebThemeEngine::PartScrollbarVerticalThumb:
  33       return ui::NativeTheme::kScrollbarVerticalThumb;
  34     case WebThemeEngine::PartScrollbarHorizontalTrack:
  35       return ui::NativeTheme::kScrollbarHorizontalTrack;
  36     case WebThemeEngine::PartScrollbarVerticalTrack:
  37       return ui::NativeTheme::kScrollbarVerticalTrack;
  38     case WebThemeEngine::PartScrollbarCorner:
  39       return ui::NativeTheme::kScrollbarCorner;
  40     case WebThemeEngine::PartCheckbox:
  41       return ui::NativeTheme::kCheckbox;
  42     case WebThemeEngine::PartRadio:
  43       return ui::NativeTheme::kRadio;
  44     case WebThemeEngine::PartButton:
  45       return ui::NativeTheme::kPushButton;
  46     case WebThemeEngine::PartTextField:
  47       return ui::NativeTheme::kTextField;
  48     case WebThemeEngine::PartMenuList:
  49       return ui::NativeTheme::kMenuList;
  50     case WebThemeEngine::PartSliderTrack:
  51       return ui::NativeTheme::kSliderTrack;
  52     case WebThemeEngine::PartSliderThumb:
  53       return ui::NativeTheme::kSliderThumb;
  54     case WebThemeEngine::PartInnerSpinButton:
  55       return ui::NativeTheme::kInnerSpinButton;
  56     case WebThemeEngine::PartProgressBar:
  57       return ui::NativeTheme::kProgressBar;
  58     default:
  59       return ui::NativeTheme::kScrollbarDownArrow;
  60   }
  61 }
  62
  63 static ui::NativeTheme::State NativeThemeState(
  64     WebThemeEngine::State state) {
  65   switch (state) {
  66     case WebThemeEngine::StateDisabled:
  67       return ui::NativeTheme::kDisabled;
  68     case WebThemeEngine::StateHover:
  69       return ui::NativeTheme::kHovered;
  70     case WebThemeEngine::StateNormal:
  71       return ui::NativeTheme::kNormal;
  72     case WebThemeEngine::StatePressed:
  73       return ui::NativeTheme::kPressed;
  74     default:
  75       return ui::NativeTheme::kDisabled;
  76   }
  77 }
  78
  79 static void GetNativeThemeExtraParams(
  80     WebThemeEngine::Part part,
  81     WebThemeEngine::State state,
  82     const WebThemeEngine::ExtraParams* extra_params,
  83     ui::NativeTheme::ExtraParams* native_theme_extra_params) {
  84   switch (part) {
  85     case WebThemeEngine::PartScrollbarHorizontalTrack:
  86     case WebThemeEngine::PartScrollbarVerticalTrack:
  87       native_theme_extra_params->scrollbar_track.track_x =
  88           extra_params->scrollbarTrack.trackX;
  89       native_theme_extra_params->scrollbar_track.track_y =
  90           extra_params->scrollbarTrack.trackY;
  91       native_theme_extra_params->scrollbar_track.track_width =
  92           extra_params->scrollbarTrack.trackWidth;
  93       native_theme_extra_params->scrollbar_track.track_height =
  94           extra_params->scrollbarTrack.trackHeight;
  95       break;
  96     case WebThemeEngine::PartCheckbox:
  97       native_theme_extra_params->button.checked = extra_params->button.checked;
  98       native_theme_extra_params->button.indeterminate =
  99           extra_params->button.indeterminate;
 100       break;
 101     case WebThemeEngine::PartRadio:
 102       native_theme_extra_params->button.checked = extra_params->button.checked;
 103       break;
 104     case WebThemeEngine::PartButton:
 105       native_theme_extra_params->button.is_default =
 106           extra_params->button.isDefault;
 107       native_theme_extra_params->button.has_border =
 108           extra_params->button.hasBorder;
 109       // Native buttons have a different focus style.
 110       native_theme_extra_params->button.is_focused = false;
 111       native_theme_extra_params->button.background_color =
 112           extra_params->button.backgroundColor;
 113       break;
 114     case WebThemeEngine::PartTextField:
 115       native_theme_extra_params->text_field.is_text_area =
 116           extra_params->textField.isTextArea;
 117       native_theme_extra_params->text_field.is_listbox =
 118           extra_params->textField.isListbox;
 119       native_theme_extra_params->text_field.background_color =
 120           extra_params->textField.backgroundColor;
 121       break;
 122     case WebThemeEngine::PartMenuList:
 123       native_theme_extra_params->menu_list.has_border =
 124           extra_params->menuList.hasBorder;
 125       native_theme_extra_params->menu_list.has_border_radius =
 126           extra_params->menuList.hasBorderRadius;
 127       native_theme_extra_params->menu_list.arrow_x =
 128           extra_params->menuList.arrowX;
 129       native_theme_extra_params->menu_list.arrow_y =
 130           extra_params->menuList.arrowY;
 131       native_theme_extra_params->menu_list.background_color =
 132           extra_params->menuList.backgroundColor;
 133       break;
 134     case WebThemeEngine::PartSliderTrack:
 135     case WebThemeEngine::PartSliderThumb:
 136       native_theme_extra_params->slider.vertical =
 137           extra_params->slider.vertical;
 138       native_theme_extra_params->slider.in_drag = extra_params->slider.inDrag;
 139       break;
 140     case WebThemeEngine::PartInnerSpinButton:
 141       native_theme_extra_params->inner_spin.spin_up =
 142           extra_params->innerSpin.spinUp;
 143       native_theme_extra_params->inner_spin.read_only =
 144           extra_params->innerSpin.readOnly;
 145       break;
 146     case WebThemeEngine::PartProgressBar:
 147       native_theme_extra_params->progress_bar.determinate =
 148           extra_params->progressBar.determinate;
 149       native_theme_extra_params->progress_bar.value_rect_x =
 150           extra_params->progressBar.valueRectX;
 151       native_theme_extra_params->progress_bar.value_rect_y =
 152           extra_params->progressBar.valueRectY;
 153       native_theme_extra_params->progress_bar.value_rect_width =
 154           extra_params->progressBar.valueRectWidth;
 155       native_theme_extra_params->progress_bar.value_rect_height =
 156           extra_params->progressBar.valueRectHeight;
 157       break;
 158     default:
 159       break;  // Parts that have no extra params get here.
 160   }
 161 }
 162
 163 blink::WebSize WebThemeEngineImpl::getSize(WebThemeEngine::Part part) {
 164   ui::NativeTheme::ExtraParams extra;
 165   return ui::NativeTheme::instance()->GetPartSize(NativeThemePart(part),
 166                                                    ui::NativeTheme::kNormal,
 167                                                    extra);
 168 }
 169
 170 void WebThemeEngineImpl::paint(
 171     blink::WebCanvas* canvas,
 172     WebThemeEngine::Part part,
 173     WebThemeEngine::State state,
 174     const blink::WebRect& rect,
 175     const WebThemeEngine::ExtraParams* extra_params) {
 176   ui::NativeTheme::ExtraParams native_theme_extra_params;
 177   GetNativeThemeExtraParams(
 178       part, state, extra_params, &native_theme_extra_params);
 179   ui::NativeTheme::instance()->Paint(
 180       canvas,
 181       NativeThemePart(part),
 182       NativeThemeState(state),
 183       gfx::Rect(rect),
 184       native_theme_extra_params);
 185 }
 186
 187 void WebThemeEngineImpl::paintStateTransition(blink::WebCanvas* canvas,
 188                                               WebThemeEngine::Part part,
 189                                               WebThemeEngine::State startState,
 190                                               WebThemeEngine::State endState,
 191                                               double progress,
 192                                               const blink::WebRect& rect) {
 193   ui::NativeTheme::instance()->PaintStateTransition(
 194       canvas,
 195       NativeThemePart(part),
 196       NativeThemeState(startState),
 197       NativeThemeState(endState),
 198       progress,
 199       gfx::Rect(rect));
 200 }
 201
 202 }  // namespace content