content/child/webfallbackthemeengine_impl.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/webfallbackthemeengine_impl.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/fallback_theme.h"
  11
  12 using blink::WebCanvas;
  13 using blink::WebColor;
  14 using blink::WebRect;
  15 using blink::WebFallbackThemeEngine;
  16
  17 namespace content {
  18
  19 static ui::NativeTheme::Part NativeThemePart(
  20     WebFallbackThemeEngine::Part part) {
  21   switch (part) {
  22     case WebFallbackThemeEngine::PartScrollbarDownArrow:
  23       return ui::NativeTheme::kScrollbarDownArrow;
  24     case WebFallbackThemeEngine::PartScrollbarLeftArrow:
  25       return ui::NativeTheme::kScrollbarLeftArrow;
  26     case WebFallbackThemeEngine::PartScrollbarRightArrow:
  27       return ui::NativeTheme::kScrollbarRightArrow;
  28     case WebFallbackThemeEngine::PartScrollbarUpArrow:
  29       return ui::NativeTheme::kScrollbarUpArrow;
  30     case WebFallbackThemeEngine::PartScrollbarHorizontalThumb:
  31       return ui::NativeTheme::kScrollbarHorizontalThumb;
  32     case WebFallbackThemeEngine::PartScrollbarVerticalThumb:
  33       return ui::NativeTheme::kScrollbarVerticalThumb;
  34     case WebFallbackThemeEngine::PartScrollbarHorizontalTrack:
  35       return ui::NativeTheme::kScrollbarHorizontalTrack;
  36     case WebFallbackThemeEngine::PartScrollbarVerticalTrack:
  37       return ui::NativeTheme::kScrollbarVerticalTrack;
  38     case WebFallbackThemeEngine::PartScrollbarCorner:
  39       return ui::NativeTheme::kScrollbarCorner;
  40     case WebFallbackThemeEngine::PartCheckbox:
  41       return ui::NativeTheme::kCheckbox;
  42     case WebFallbackThemeEngine::PartRadio:
  43       return ui::NativeTheme::kRadio;
  44     case WebFallbackThemeEngine::PartButton:
  45       return ui::NativeTheme::kPushButton;
  46     case WebFallbackThemeEngine::PartTextField:
  47       return ui::NativeTheme::kTextField;
  48     case WebFallbackThemeEngine::PartMenuList:
  49       return ui::NativeTheme::kMenuList;
  50     case WebFallbackThemeEngine::PartSliderTrack:
  51       return ui::NativeTheme::kSliderTrack;
  52     case WebFallbackThemeEngine::PartSliderThumb:
  53       return ui::NativeTheme::kSliderThumb;
  54     case WebFallbackThemeEngine::PartInnerSpinButton:
  55       return ui::NativeTheme::kInnerSpinButton;
  56     case WebFallbackThemeEngine::PartProgressBar:
  57       return ui::NativeTheme::kProgressBar;
  58     default:
  59       return ui::NativeTheme::kScrollbarDownArrow;
  60   }
  61 }
  62
  63 static ui::NativeTheme::State NativeThemeState(
  64     WebFallbackThemeEngine::State state) {
  65   switch (state) {
  66     case WebFallbackThemeEngine::StateDisabled:
  67       return ui::NativeTheme::kDisabled;
  68     case WebFallbackThemeEngine::StateHover:
  69       return ui::NativeTheme::kHovered;
  70     case WebFallbackThemeEngine::StateNormal:
  71       return ui::NativeTheme::kNormal;
  72     case WebFallbackThemeEngine::StatePressed:
  73       return ui::NativeTheme::kPressed;
  74     default:
  75       return ui::NativeTheme::kDisabled;
  76   }
  77 }
  78
  79 static void GetNativeThemeExtraParams(
  80     WebFallbackThemeEngine::Part part,
  81     WebFallbackThemeEngine::State state,
  82     const WebFallbackThemeEngine::ExtraParams* extra_params,
  83     ui::NativeTheme::ExtraParams* native_theme_extra_params) {
  84   switch (part) {
  85     case WebFallbackThemeEngine::PartScrollbarHorizontalTrack:
  86     case WebFallbackThemeEngine::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 WebFallbackThemeEngine::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 WebFallbackThemeEngine::PartRadio:
 102       native_theme_extra_params->button.checked = extra_params->button.checked;
 103       break;
 104     case WebFallbackThemeEngine::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 WebFallbackThemeEngine::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 WebFallbackThemeEngine::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 WebFallbackThemeEngine::PartSliderTrack:
 135     case WebFallbackThemeEngine::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 WebFallbackThemeEngine::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 WebFallbackThemeEngine::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 WebFallbackThemeEngineImpl::WebFallbackThemeEngineImpl()
 164     : theme_(new ui::FallbackTheme()) {
 165 }
 166
 167 WebFallbackThemeEngineImpl::~WebFallbackThemeEngineImpl() {}
 168
 169 blink::WebSize WebFallbackThemeEngineImpl::getSize(
 170     WebFallbackThemeEngine::Part part) {
 171   ui::NativeTheme::ExtraParams extra;
 172   return theme_->GetPartSize(NativeThemePart(part),
 173                              ui::NativeTheme::kNormal,
 174                              extra);
 175 }
 176
 177 void WebFallbackThemeEngineImpl::paint(
 178     blink::WebCanvas* canvas,
 179     WebFallbackThemeEngine::Part part,
 180     WebFallbackThemeEngine::State state,
 181     const blink::WebRect& rect,
 182     const WebFallbackThemeEngine::ExtraParams* extra_params) {
 183   ui::NativeTheme::ExtraParams native_theme_extra_params;
 184   GetNativeThemeExtraParams(
 185       part, state, extra_params, &native_theme_extra_params);
 186   theme_->Paint(canvas,
 187                 NativeThemePart(part),
 188                 NativeThemeState(state),
 189                 gfx::Rect(rect),
 190                 native_theme_extra_params);
 191 }
 192
 193 }  // namespace content