| // 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 "content/child/webthemeengine_impl_android.h" |
| |
| #include "base/logging.h" |
| #include "base/sys_info.h" |
| #include "skia/ext/platform_canvas.h" |
| #include "third_party/WebKit/public/platform/WebRect.h" |
| #include "third_party/WebKit/public/platform/WebSize.h" |
| #include "ui/native_theme/native_theme.h" |
| |
| using blink::WebCanvas; |
| using blink::WebColor; |
| using blink::WebRect; |
| using blink::WebThemeEngine; |
| |
| namespace content { |
| |
| namespace { |
| const int kVersionLollipop = 5; |
| |
| int getMajorVersion() { |
| int major, minor, bugfix; |
| base::SysInfo::OperatingSystemVersionNumbers(&major, &minor, &bugfix); |
| return major; |
| } |
| } |
| |
| static ui::NativeTheme::Part NativeThemePart(WebThemeEngine::Part part) { |
| switch (part) { |
| case WebThemeEngine::kPartScrollbarDownArrow: |
| return ui::NativeTheme::kScrollbarDownArrow; |
| case WebThemeEngine::kPartScrollbarLeftArrow: |
| return ui::NativeTheme::kScrollbarLeftArrow; |
| case WebThemeEngine::kPartScrollbarRightArrow: |
| return ui::NativeTheme::kScrollbarRightArrow; |
| case WebThemeEngine::kPartScrollbarUpArrow: |
| return ui::NativeTheme::kScrollbarUpArrow; |
| case WebThemeEngine::kPartScrollbarHorizontalThumb: |
| return ui::NativeTheme::kScrollbarHorizontalThumb; |
| case WebThemeEngine::kPartScrollbarVerticalThumb: |
| return ui::NativeTheme::kScrollbarVerticalThumb; |
| case WebThemeEngine::kPartScrollbarHorizontalTrack: |
| return ui::NativeTheme::kScrollbarHorizontalTrack; |
| case WebThemeEngine::kPartScrollbarVerticalTrack: |
| return ui::NativeTheme::kScrollbarVerticalTrack; |
| case WebThemeEngine::kPartScrollbarCorner: |
| return ui::NativeTheme::kScrollbarCorner; |
| case WebThemeEngine::kPartCheckbox: |
| return ui::NativeTheme::kCheckbox; |
| case WebThemeEngine::kPartRadio: |
| return ui::NativeTheme::kRadio; |
| case WebThemeEngine::kPartButton: |
| return ui::NativeTheme::kPushButton; |
| case WebThemeEngine::kPartTextField: |
| return ui::NativeTheme::kTextField; |
| case WebThemeEngine::kPartMenuList: |
| return ui::NativeTheme::kMenuList; |
| case WebThemeEngine::kPartSliderTrack: |
| return ui::NativeTheme::kSliderTrack; |
| case WebThemeEngine::kPartSliderThumb: |
| return ui::NativeTheme::kSliderThumb; |
| case WebThemeEngine::kPartInnerSpinButton: |
| return ui::NativeTheme::kInnerSpinButton; |
| case WebThemeEngine::kPartProgressBar: |
| return ui::NativeTheme::kProgressBar; |
| default: |
| return ui::NativeTheme::kScrollbarDownArrow; |
| } |
| } |
| |
| static ui::NativeTheme::State NativeThemeState(WebThemeEngine::State state) { |
| switch (state) { |
| case WebThemeEngine::kStateDisabled: |
| return ui::NativeTheme::kDisabled; |
| case WebThemeEngine::kStateHover: |
| return ui::NativeTheme::kHovered; |
| case WebThemeEngine::kStateNormal: |
| return ui::NativeTheme::kNormal; |
| case WebThemeEngine::kStatePressed: |
| return ui::NativeTheme::kPressed; |
| default: |
| return ui::NativeTheme::kDisabled; |
| } |
| } |
| |
| 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::kPartScrollbarHorizontalTrack: |
| case WebThemeEngine::kPartScrollbarVerticalTrack: |
| // Android doesn't draw scrollbars. |
| NOTREACHED(); |
| break; |
| case WebThemeEngine::kPartCheckbox: |
| native_theme_extra_params->button.checked = extra_params->button.checked; |
| native_theme_extra_params->button.indeterminate = |
| extra_params->button.indeterminate; |
| break; |
| case WebThemeEngine::kPartRadio: |
| native_theme_extra_params->button.checked = extra_params->button.checked; |
| break; |
| case WebThemeEngine::kPartButton: |
| native_theme_extra_params->button.is_default = |
| extra_params->button.is_default; |
| native_theme_extra_params->button.has_border = |
| extra_params->button.has_border; |
| // 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.background_color; |
| break; |
| case WebThemeEngine::kPartTextField: |
| native_theme_extra_params->text_field.is_text_area = |
| extra_params->text_field.is_text_area; |
| native_theme_extra_params->text_field.is_listbox = |
| extra_params->text_field.is_listbox; |
| native_theme_extra_params->text_field.background_color = |
| extra_params->text_field.background_color; |
| break; |
| case WebThemeEngine::kPartMenuList: |
| native_theme_extra_params->menu_list.has_border = |
| extra_params->menu_list.has_border; |
| native_theme_extra_params->menu_list.has_border_radius = |
| extra_params->menu_list.has_border_radius; |
| native_theme_extra_params->menu_list.arrow_x = |
| extra_params->menu_list.arrow_x; |
| native_theme_extra_params->menu_list.arrow_y = |
| extra_params->menu_list.arrow_y; |
| native_theme_extra_params->menu_list.arrow_size = |
| extra_params->menu_list.arrow_size; |
| native_theme_extra_params->menu_list.arrow_color = |
| extra_params->menu_list.arrow_color; |
| native_theme_extra_params->menu_list.background_color = |
| extra_params->menu_list.background_color; |
| break; |
| case WebThemeEngine::kPartSliderTrack: |
| case WebThemeEngine::kPartSliderThumb: |
| native_theme_extra_params->slider.vertical = |
| extra_params->slider.vertical; |
| native_theme_extra_params->slider.in_drag = extra_params->slider.in_drag; |
| break; |
| case WebThemeEngine::kPartInnerSpinButton: |
| native_theme_extra_params->inner_spin.spin_up = |
| extra_params->inner_spin.spin_up; |
| native_theme_extra_params->inner_spin.read_only = |
| extra_params->inner_spin.read_only; |
| break; |
| case WebThemeEngine::kPartProgressBar: |
| native_theme_extra_params->progress_bar.determinate = |
| extra_params->progress_bar.determinate; |
| native_theme_extra_params->progress_bar.value_rect_x = |
| extra_params->progress_bar.value_rect_x; |
| native_theme_extra_params->progress_bar.value_rect_y = |
| extra_params->progress_bar.value_rect_y; |
| native_theme_extra_params->progress_bar.value_rect_width = |
| extra_params->progress_bar.value_rect_width; |
| native_theme_extra_params->progress_bar.value_rect_height = |
| extra_params->progress_bar.value_rect_height; |
| break; |
| default: |
| break; // Parts that have no extra params get here. |
| } |
| } |
| |
| blink::WebSize WebThemeEngineImpl::GetSize(WebThemeEngine::Part part) { |
| switch (part) { |
| case ui::NativeTheme::kScrollbarHorizontalThumb: |
| case ui::NativeTheme::kScrollbarVerticalThumb: { |
| // Minimum length for scrollbar thumb is the scrollbar thickness. |
| ScrollbarStyle style; |
| GetOverlayScrollbarStyle(&style); |
| int scrollbarThickness = style.thumb_thickness + style.scrollbar_margin; |
| return gfx::Size(scrollbarThickness, scrollbarThickness); |
| } |
| default: { |
| ui::NativeTheme::ExtraParams extra; |
| return ui::NativeTheme::GetInstanceForWeb()->GetPartSize( |
| NativeThemePart(part), ui::NativeTheme::kNormal, extra); |
| } |
| } |
| } |
| |
| void WebThemeEngineImpl::GetOverlayScrollbarStyle(ScrollbarStyle* style) { |
| // TODO(bokan): Android scrollbars on non-composited scrollers don't |
| // currently fade out so the fadeOutDuration and Delay Now that this has |
| // been added into Blink for other platforms we should plumb that through for |
| // Android as well. |
| style->fade_out_delay_seconds = 0; |
| style->fade_out_duration_seconds = 0; |
| if (getMajorVersion() >= kVersionLollipop) { |
| style->thumb_thickness = 4; |
| style->scrollbar_margin = 0; |
| style->color = SkColorSetARGB(128, 64, 64, 64); |
| } else { |
| style->thumb_thickness = 3; |
| style->scrollbar_margin = 3; |
| style->color = SkColorSetARGB(128, 128, 128, 128); |
| } |
| } |
| |
| 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); |
| ui::NativeTheme::GetInstanceForWeb()->Paint( |
| canvas, NativeThemePart(part), NativeThemeState(state), gfx::Rect(rect), |
| native_theme_extra_params); |
| } |
| } // namespace content |
