webkit/child/webfallbackthemeengine_impl.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/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 webkit_glue {
  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::PartCheckbox:
  39       return ui::NativeTheme::kCheckbox;
  40     case WebFallbackThemeEngine::PartRadio:
  41       return ui::NativeTheme::kRadio;
  42     case WebFallbackThemeEngine::PartButton:
  43       return ui::NativeTheme::kPushButton;
  44     case WebFallbackThemeEngine::PartTextField:
  45       return ui::NativeTheme::kTextField;
  46     case WebFallbackThemeEngine::PartMenuList:
  47       return ui::NativeTheme::kMenuList;
  48     case WebFallbackThemeEngine::PartSliderTrack:
  49       return ui::NativeTheme::kSliderTrack;
  50     case WebFallbackThemeEngine::PartSliderThumb:
  51       return ui::NativeTheme::kSliderThumb;
  52     case WebFallbackThemeEngine::PartInnerSpinButton:
  53       return ui::NativeTheme::kInnerSpinButton;
  54     case WebFallbackThemeEngine::PartProgressBar:
  55       return ui::NativeTheme::kProgressBar;
  56     default:
  57       return ui::NativeTheme::kScrollbarDownArrow;
  58   }
  59 }
  60
  61 static ui::NativeTheme::State NativeThemeState(
  62     WebFallbackThemeEngine::State state) {
  63   switch (state) {
  64     case WebFallbackThemeEngine::StateDisabled:
  65       return ui::NativeTheme::kDisabled;
  66     case WebFallbackThemeEngine::StateHover:
  67       return ui::NativeTheme::kHovered;
  68     case WebFallbackThemeEngine::StateNormal:
  69       return ui::NativeTheme::kNormal;
  70     case WebFallbackThemeEngine::StatePressed:
  71       return ui::NativeTheme::kPressed;
  72     default:
  73       return ui::NativeTheme::kDisabled;
  74   }
  75 }
  76
  77 static void GetNativeThemeExtraParams(
  78     WebFallbackThemeEngine::Part part,
  79     WebFallbackThemeEngine::State state,
  80     const WebFallbackThemeEngine::ExtraParams* extra_params,
  81     ui::NativeTheme::ExtraParams* native_theme_extra_params) {
  82   switch (part) {
  83     case WebFallbackThemeEngine::PartScrollbarHorizontalTrack:
  84     case WebFallbackThemeEngine::PartScrollbarVerticalTrack:
  85       native_theme_extra_params->scrollbar_track.track_x =
  86           extra_params->scrollbarTrack.trackX;
  87       native_theme_extra_params->scrollbar_track.track_y =
  88           extra_params->scrollbarTrack.trackY;
  89       native_theme_extra_params->scrollbar_track.track_width =
  90           extra_params->scrollbarTrack.trackWidth;
  91       native_theme_extra_params->scrollbar_track.track_height =
  92           extra_params->scrollbarTrack.trackHeight;
  93       break;
  94     case WebFallbackThemeEngine::PartCheckbox:
  95       native_theme_extra_params->button.checked = extra_params->button.checked;
  96       native_theme_extra_params->button.indeterminate =
  97           extra_params->button.indeterminate;
  98       break;
  99     case WebFallbackThemeEngine::PartRadio:
 100       native_theme_extra_params->button.checked = extra_params->button.checked;
 101       break;
 102     case WebFallbackThemeEngine::PartButton:
 103       native_theme_extra_params->button.is_default =
 104           extra_params->button.isDefault;
 105       native_theme_extra_params->button.has_border =
 106           extra_params->button.hasBorder;
 107       // Native buttons have a different focus style.
 108       native_theme_extra_params->button.is_focused = false;
 109       native_theme_extra_params->button.background_color =
 110           extra_params->button.backgroundColor;
 111       break;
 112     case WebFallbackThemeEngine::PartTextField:
 113       native_theme_extra_params->text_field.is_text_area =
 114           extra_params->textField.isTextArea;
 115       native_theme_extra_params->text_field.is_listbox =
 116           extra_params->textField.isListbox;
 117       native_theme_extra_params->text_field.background_color =
 118           extra_params->textField.backgroundColor;
 119       break;
 120     case WebFallbackThemeEngine::PartMenuList:
 121       native_theme_extra_params->menu_list.has_border =
 122           extra_params->menuList.hasBorder;
 123       native_theme_extra_params->menu_list.has_border_radius =
 124           extra_params->menuList.hasBorderRadius;
 125       native_theme_extra_params->menu_list.arrow_x =
 126           extra_params->menuList.arrowX;
 127       native_theme_extra_params->menu_list.arrow_y =
 128           extra_params->menuList.arrowY;
 129       native_theme_extra_params->menu_list.background_color =
 130           extra_params->menuList.backgroundColor;
 131       break;
 132     case WebFallbackThemeEngine::PartSliderTrack:
 133     case WebFallbackThemeEngine::PartSliderThumb:
 134       native_theme_extra_params->slider.vertical =
 135           extra_params->slider.vertical;
 136       native_theme_extra_params->slider.in_drag = extra_params->slider.inDrag;
 137       break;
 138     case WebFallbackThemeEngine::PartInnerSpinButton:
 139       native_theme_extra_params->inner_spin.spin_up =
 140           extra_params->innerSpin.spinUp;
 141       native_theme_extra_params->inner_spin.read_only =
 142           extra_params->innerSpin.readOnly;
 143       break;
 144     case WebFallbackThemeEngine::PartProgressBar:
 145       native_theme_extra_params->progress_bar.determinate =
 146           extra_params->progressBar.determinate;
 147       native_theme_extra_params->progress_bar.value_rect_x =
 148           extra_params->progressBar.valueRectX;
 149       native_theme_extra_params->progress_bar.value_rect_y =
 150           extra_params->progressBar.valueRectY;
 151       native_theme_extra_params->progress_bar.value_rect_width =
 152           extra_params->progressBar.valueRectWidth;
 153       native_theme_extra_params->progress_bar.value_rect_height =
 154           extra_params->progressBar.valueRectHeight;
 155       break;
 156     default:
 157       break;  // Parts that have no extra params get here.
 158   }
 159 }
 160
 161 WebFallbackThemeEngineImpl::WebFallbackThemeEngineImpl()
 162     : theme_(new ui::FallbackTheme()) {
 163 }
 164
 165 WebFallbackThemeEngineImpl::~WebFallbackThemeEngineImpl() {}
 166
 167 blink::WebSize WebFallbackThemeEngineImpl::getSize(
 168     WebFallbackThemeEngine::Part part) {
 169   ui::NativeTheme::ExtraParams extra;
 170   return theme_->GetPartSize(NativeThemePart(part),
 171                              ui::NativeTheme::kNormal,
 172                              extra);
 173 }
 174
 175 void WebFallbackThemeEngineImpl::paint(
 176     blink::WebCanvas* canvas,
 177     WebFallbackThemeEngine::Part part,
 178     WebFallbackThemeEngine::State state,
 179     const blink::WebRect& rect,
 180     const WebFallbackThemeEngine::ExtraParams* extra_params) {
 181   ui::NativeTheme::ExtraParams native_theme_extra_params;
 182   GetNativeThemeExtraParams(
 183       part, state, extra_params, &native_theme_extra_params);
 184   theme_->Paint(canvas,
 185                 NativeThemePart(part),
 186                 NativeThemeState(state),
 187                 gfx::Rect(rect),
 188                 native_theme_extra_params);
 189 }
 190
 191 }  // namespace webkit_glue