| // Copyright 2019 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 "ash/shelf/scroll_arrow_view.h" |
| |
| #include "ash/public/cpp/shelf_config.h" |
| #include "ash/resources/vector_icons/vector_icons.h" |
| #include "ash/shelf/shelf_button_delegate.h" |
| #include "ash/style/ash_color_provider.h" |
| #include "ui/compositor/scoped_layer_animation_settings.h" |
| #include "ui/gfx/canvas.h" |
| #include "ui/gfx/image/image_skia_operations.h" |
| #include "ui/gfx/paint_vector_icon.h" |
| |
| namespace ash { |
| |
| ScrollArrowView::ScrollArrowView(ArrowType arrow_type, |
| bool is_horizontal_alignment, |
| Shelf* shelf, |
| ShelfButtonDelegate* shelf_button_delegate) |
| : ShelfButton(shelf, shelf_button_delegate), |
| arrow_type_(arrow_type), |
| is_horizontal_alignment_(is_horizontal_alignment) { |
| SetHasInkDropActionOnClick(true); |
| SetInkDropMode(InkDropMode::ON_NO_GESTURE_HANDLER); |
| } |
| |
| ScrollArrowView::~ScrollArrowView() = default; |
| |
| void ScrollArrowView::NotifyClick(const ui::Event& event) { |
| Button::NotifyClick(event); |
| shelf_button_delegate()->ButtonPressed(/*sender=*/this, event, GetInkDrop()); |
| } |
| |
| void ScrollArrowView::PaintButtonContents(gfx::Canvas* canvas) { |
| const bool show_left_arrow = (arrow_type_ == kLeft && !base::i18n::IsRTL()) || |
| (arrow_type_ == kRight && base::i18n::IsRTL()); |
| gfx::ImageSkia img = CreateVectorIcon( |
| show_left_arrow ? kOverflowShelfLeftIcon : kOverflowShelfRightIcon, |
| AshColorProvider::Get()->GetContentLayerColor( |
| AshColorProvider::ContentLayerType::kIconColorPrimary)); |
| |
| if (!is_horizontal_alignment_) { |
| img = gfx::ImageSkiaOperations::CreateRotatedImage( |
| img, base::i18n::IsRTL() ? SkBitmapOperations::ROTATION_270_CW |
| : SkBitmapOperations::ROTATION_90_CW); |
| } |
| |
| gfx::PointF center_point(width() / 2.f, height() / 2.f); |
| canvas->DrawImageInt(img, center_point.x() - img.width() / 2, |
| center_point.y() - img.height() / 2); |
| } |
| |
| const char* ScrollArrowView::GetClassName() const { |
| return "ScrollArrowView"; |
| } |
| |
| void ScrollArrowView::OnThemeChanged() { |
| ShelfButton::OnThemeChanged(); |
| SchedulePaint(); |
| } |
| |
| } // namespace ash |