webkit/child/webthemeengine_impl_android.cc

   1 // Copyright (c) 2012 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 "webkit/child/webthemeengine_impl_android.h"
   6
   7 #include "base/logging.h"
   8 #include "skia/ext/platform_canvas.h"
   9 #include "third_party/WebKit/public/platform/WebRect.h"
  10 #include "third_party/WebKit/public/platform/WebSize.h"
  11 #include "ui/native_theme/native_theme.h"
  12
  13 using blink::WebCanvas;
  14 using blink::WebColor;
  15 using blink::WebRect;
  16 using blink::WebThemeEngine;
  17
  18 namespace webkit_glue {
  19
  20 static ui::NativeTheme::Part NativeThemePart(
  21     WebThemeEngine::Part part) {
  22   switch (part) {
  23     case WebThemeEngine::PartScrollbarDownArrow:
  24       return ui::NativeTheme::kScrollbarDownArrow;
  25     case WebThemeEngine::PartScrollbarLeftArrow:
  26       return ui::NativeTheme::kScrollbarLeftArrow;
  27     case WebThemeEngine::PartScrollbarRightArrow:
  28       return ui::NativeTheme::kScrollbarRightArrow;
  29     case WebThemeEngine::PartScrollbarUpArrow:
  30       return ui::NativeTheme::kScrollbarUpArrow;
  31     case WebThemeEngine::PartScrollbarHorizontalThumb:
  32       // Android doesn't draw scrollbars.
  33       NOTREACHED();
  34       return static_cast<ui::NativeTheme::Part>(0);
  35     case WebThemeEngine::PartScrollbarVerticalThumb:
  36       // Android doesn't draw scrollbars.
  37       NOTREACHED();
  38       return static_cast<ui::NativeTheme::Part>(0);
  39     case WebThemeEngine::PartScrollbarHorizontalTrack:
  40       // Android doesn't draw scrollbars.
  41       NOTREACHED();
  42       return static_cast<ui::NativeTheme::Part>(0);
  43     case WebThemeEngine::PartScrollbarVerticalTrack:
  44       // Android doesn't draw scrollbars.
  45       NOTREACHED();
  46       return static_cast<ui::NativeTheme::Part>(0);
  47     case WebThemeEngine::PartCheckbox:
  48       return ui::NativeTheme::kCheckbox;
  49     case WebThemeEngine::PartRadio:
  50       return ui::NativeTheme::kRadio;
  51     case WebThemeEngine::PartButton:
  52       return ui::NativeTheme::kPushButton;
  53     case WebThemeEngine::PartTextField:
  54       return ui::NativeTheme::kTextField;
  55     case WebThemeEngine::PartMenuList:
  56       return ui::NativeTheme::kMenuList;
  57     case WebThemeEngine::PartSliderTrack:
  58       return ui::NativeTheme::kSliderTrack;
  59     case WebThemeEngine::PartSliderThumb:
  60       return ui::NativeTheme::kSliderThumb;
  61     case WebThemeEngine::PartInnerSpinButton:
  62       return ui::NativeTheme::kInnerSpinButton;
  63     case WebThemeEngine::PartProgressBar:
  64       return ui::NativeTheme::kProgressBar;
  65     default:
  66       return ui::NativeTheme::kScrollbarDownArrow;
  67   }
  68 }
  69
  70 static ui::NativeTheme::State NativeThemeState(
  71     WebThemeEngine::State state) {
  72   switch (state) {
  73     case WebThemeEngine::StateDisabled:
  74       return ui::NativeTheme::kDisabled;
  75     case WebThemeEngine::StateHover:
  76       return ui::NativeTheme::kHovered;
  77     case WebThemeEngine::StateNormal:
  78       return ui::NativeTheme::kNormal;
  79     case WebThemeEngine::StatePressed:
  80       return ui::NativeTheme::kPressed;
  81     default:
  82       return ui::NativeTheme::kDisabled;
  83   }
  84 }
  85
  86 static void GetNativeThemeExtraParams(
  87     WebThemeEngine::Part part,
  88     WebThemeEngine::State state,
  89     const WebThemeEngine::ExtraParams* extra_params,
  90     ui::NativeTheme::ExtraParams* native_theme_extra_params) {
  91   switch (part) {
  92     case WebThemeEngine::PartScrollbarHorizontalTrack:
  93     case WebThemeEngine::PartScrollbarVerticalTrack:
  94       // Android doesn't draw scrollbars.
  95       NOTREACHED();
  96       break;
  97     case WebThemeEngine::PartCheckbox:
  98       native_theme_extra_params->button.checked = extra_params->button.checked;
  99       native_theme_extra_params->button.indeterminate =
 100           extra_params->button.indeterminate;
 101       break;
 102     case WebThemeEngine::PartRadio:
 103       native_theme_extra_params->button.checked = extra_params->button.checked;
 104       break;
 105     case WebThemeEngine::PartButton:
 106       native_theme_extra_params->button.is_default =
 107           extra_params->button.isDefault;
 108       native_theme_extra_params->button.has_border =
 109           extra_params->button.hasBorder;
 110       // Native buttons have a different focus style.
 111       native_theme_extra_params->button.is_focused = false;
 112       native_theme_extra_params->button.background_color =
 113           extra_params->button.backgroundColor;
 114       break;
 115     case WebThemeEngine::PartTextField:
 116       native_theme_extra_params->text_field.is_text_area =
 117           extra_params->textField.isTextArea;
 118       native_theme_extra_params->text_field.is_listbox =
 119           extra_params->textField.isListbox;
 120       native_theme_extra_params->text_field.background_color =
 121           extra_params->textField.backgroundColor;
 122       break;
 123     case WebThemeEngine::PartMenuList:
 124       native_theme_extra_params->menu_list.has_border =
 125           extra_params->menuList.hasBorder;
 126       native_theme_extra_params->menu_list.has_border_radius =
 127           extra_params->menuList.hasBorderRadius;
 128       native_theme_extra_params->menu_list.arrow_x =
 129           extra_params->menuList.arrowX;
 130       native_theme_extra_params->menu_list.arrow_y =
 131           extra_params->menuList.arrowY;
 132       native_theme_extra_params->menu_list.background_color =
 133           extra_params->menuList.backgroundColor;
 134       break;
 135     case WebThemeEngine::PartSliderTrack:
 136     case WebThemeEngine::PartSliderThumb:
 137       native_theme_extra_params->slider.vertical =
 138           extra_params->slider.vertical;
 139       native_theme_extra_params->slider.in_drag = extra_params->slider.inDrag;
 140       break;
 141     case WebThemeEngine::PartInnerSpinButton:
 142       native_theme_extra_params->inner_spin.spin_up =
 143           extra_params->innerSpin.spinUp;
 144       native_theme_extra_params->inner_spin.read_only =
 145           extra_params->innerSpin.readOnly;
 146       break;
 147     case WebThemeEngine::PartProgressBar:
 148       native_theme_extra_params->progress_bar.determinate =
 149           extra_params->progressBar.determinate;
 150       native_theme_extra_params->progress_bar.value_rect_x =
 151           extra_params->progressBar.valueRectX;
 152       native_theme_extra_params->progress_bar.value_rect_y =
 153           extra_params->progressBar.valueRectY;
 154       native_theme_extra_params->progress_bar.value_rect_width =
 155           extra_params->progressBar.valueRectWidth;
 156       native_theme_extra_params->progress_bar.value_rect_height =
 157           extra_params->progressBar.valueRectHeight;
 158       break;
 159     default:
 160       break;  // Parts that have no extra params get here.
 161   }
 162 }
 163
 164 blink::WebSize WebThemeEngineImpl::getSize(WebThemeEngine::Part part) {
 165   ui::NativeTheme::ExtraParams extra;
 166   return ui::NativeTheme::instance()->GetPartSize(
 167       NativeThemePart(part), ui::NativeTheme::kNormal, 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 }  // namespace webkit_glue