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// Copyright 2019 The Chromium Authors
// 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 "base/i18n/rtl.h"
#include "ui/base/metadata/metadata_impl_macros.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"
#include "ui/views/animation/ink_drop.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);
views::InkDrop::Get(this)->SetMode(
views::InkDropHost::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, views::InkDrop::Get(this)->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);
}
void ScrollArrowView::OnThemeChanged() {
ShelfButton::OnThemeChanged();
SchedulePaint();
}
BEGIN_METADATA(ScrollArrowView)
END_METADATA
} // namespace ash
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