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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/views/sharing_hub/sharing_hub_bubble_action_button.h"
#include "chrome/app/vector_icons/vector_icons.h"
#include "chrome/browser/sharing_hub/sharing_hub_model.h"
#include "chrome/browser/ui/views/sharing_hub/sharing_hub_bubble_view_impl.h"
#include "chrome/grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/base/models/image_model.h"
#include "ui/color/color_id.h"
#include "ui/color/color_provider.h"
#include "ui/views/accessibility/view_accessibility.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/flex_layout.h"
namespace sharing_hub {
namespace {
// These values values come directly from the Figma redlines. See
// https://crbug.com/1314486 and https://crbug.com/1343564.
static constexpr gfx::Insets kInteriorMargin = gfx::Insets::VH(10, 16);
static constexpr gfx::Insets kDefaultMargin = gfx::Insets::VH(0, 16);
static constexpr gfx::Size kPrimaryIconSize{16, 16};
// The layout will break if this icon isn't square - you may need to adjust the
// vector icon creation below.
static_assert(kPrimaryIconSize.width() == kPrimaryIconSize.height());
ui::ImageModel ImageForAction(const SharingHubAction& action_info) {
return ui::ImageModel::FromVectorIcon(*action_info.icon, ui::kColorMenuIcon,
kPrimaryIconSize.width());
}
} // namespace
SharingHubBubbleActionButton::SharingHubBubbleActionButton(
SharingHubBubbleViewImpl* bubble,
const SharingHubAction& action_info)
: action_info_(action_info) {
auto* layout = SetLayoutManager(std::make_unique<views::FlexLayout>());
layout->SetOrientation(views::LayoutOrientation::kHorizontal)
.SetMainAxisAlignment(views::LayoutAlignment::kStart)
.SetCrossAxisAlignment(views::LayoutAlignment::kCenter)
.SetInteriorMargin(kInteriorMargin)
.SetDefault(views::kMarginsKey, kDefaultMargin)
.SetCollapseMargins(true);
// Even though this is a button, which would normally use ACCESSIBLE_ONLY,
// we really do want ALWAYS here. Visually, these buttons are presented as
// a menu, which means we need these to be keyboard-traversable with the
// arrow keys to match the behavior of other menus, and they're only keyboard
// traversable when focusable.
//
// This creates a different divergence from menu behavior: the individual
// items in the sharing hub are also tab-traversable, while items in a menu
// are not. That's annoying, but not as bad as the surface being keyboard
// inaccessible, so we live with it.
//
// See https://crbug.com/1404226 and https://crbug.com/1323053.
SetFocusBehavior(FocusBehavior::ALWAYS);
SetEnabled(true);
SetBackground(views::CreateSolidBackground(ui::kColorMenuBackground));
SetCallback(base::BindRepeating(&SharingHubBubbleViewImpl::OnActionSelected,
base::Unretained(bubble),
base::Unretained(this)));
image_ = AddChildView(
std::make_unique<views::ImageView>(ImageForAction(action_info)));
image_->SetImageSize(kPrimaryIconSize);
image_->SetCanProcessEventsWithinSubtree(false);
title_ = AddChildView(std::make_unique<views::Label>(
action_info.title, views::style::CONTEXT_MENU));
title_->SetCanProcessEventsWithinSubtree(false);
GetViewAccessibility().SetName(std::u16string(title_->GetText()),
ax::mojom::NameFrom::kAttribute);
}
SharingHubBubbleActionButton::~SharingHubBubbleActionButton() = default;
void SharingHubBubbleActionButton::OnThemeChanged() {
views::Button::OnThemeChanged();
UpdateColors();
}
void SharingHubBubbleActionButton::OnFocus() {
views::Button::OnFocus();
UpdateColors();
}
void SharingHubBubbleActionButton::OnBlur() {
views::Button::OnBlur();
UpdateColors();
}
void SharingHubBubbleActionButton::StateChanged(
views::Button::ButtonState old_state) {
views::Button::StateChanged(old_state);
UpdateColors();
}
void SharingHubBubbleActionButton::UpdateColors() {
bool draw_focus = GetState() == STATE_HOVERED || HasFocus();
// Pretend to be a menu item:
SkColor bg_color = GetColorProvider()->GetColor(
// Note: selected vs highlighted seems strange here; highlighted is more
// in line with what's happening. The two colors are almost the same but
// selected gives better behavior in high contrast.
draw_focus ? ui::kColorMenuItemBackgroundSelected
: ui::kColorMenuBackground);
SetBackground(views::CreateSolidBackground(bg_color));
title_->SetBackgroundColor(bg_color);
title_->SetTextStyle(draw_focus ? views::style::STYLE_SELECTED
: views::style::STYLE_PRIMARY);
}
BEGIN_METADATA(SharingHubBubbleActionButton)
END_METADATA
} // namespace sharing_hub
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