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// Copyright 2022 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/ash/input_method/indexed_suggestion_candidate_button.h"
#include "chrome/browser/ui/ash/input_method/colors.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/chromeos/styles/cros_styles.h"
#include "ui/gfx/geometry/size.h"
#include "ui/views/accessibility/view_accessibility.h"
#include "ui/views/background.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/layout/flex_layout.h"
namespace ui::ime {
const int kTopPadding = 4;
const int kBottomPadding = 0;
const int kLeftRightPadding = 2;
const int kBetweenSpacing = 1;
const int kBorderRadius = 2;
const int kCandidateSquareSide = 24;
const views::Label::CustomFont kCandidateTextFont = {
.font_list = gfx::FontList(gfx::FontList({"Roboto"},
gfx::Font::NORMAL,
16,
gfx::Font::Weight::MEDIUM))};
const views::Label::CustomFont kIndexFont = {
.font_list = gfx::FontList(gfx::FontList({"Roboto"},
gfx::Font::NORMAL,
10,
gfx::Font::Weight::MEDIUM))};
IndexedSuggestionCandidateButton::IndexedSuggestionCandidateButton(
PressedCallback callback,
const std::u16string& candidate_text,
const std::u16string& index_text,
bool create_legacy_candidate)
: views::Button(std::move(callback)) {
GetViewAccessibility().SetName(candidate_text);
SetLayoutManager(std::make_unique<views::BoxLayout>(
views::BoxLayout::Orientation::kVertical,
gfx::Insets()
.set_left_right(kLeftRightPadding, kLeftRightPadding)
.set_top_bottom(kTopPadding, kBottomPadding),
/* between_child_spacing=*/kBetweenSpacing));
if (create_legacy_candidate) {
// TODO(b/240357416): Remove when emoji suggestions uses horizontal layout.
BuildLegacyCandidate(candidate_text);
} else {
BuildCandidate(candidate_text, index_text);
}
}
void IndexedSuggestionCandidateButton::SetHighlight(bool highlighted) {
if (highlighted && !background()) {
// Legacy option does not have a rounded border.
// TODO(b/240357416): Remove legacy option when emoji suggestions uses
// horizontal layout.
int border_radius = is_legacy_candidate_ ? 0 : kBorderRadius;
SetBackground(views::CreateRoundedRectBackground(
ResolveSemanticColor(cros_styles::ColorName::kRippleColor),
border_radius));
}
if (!highlighted && background()) {
SetBackground(nullptr);
}
}
void IndexedSuggestionCandidateButton::BuildLegacyCandidate(
const std::u16string& candidate_text) {
is_legacy_candidate_ = true;
AddChildView(
std::make_unique<views::Label>(candidate_text, kCandidateTextFont));
}
void IndexedSuggestionCandidateButton::BuildCandidate(
const std::u16string& candidate_text,
const std::u16string& index_text) {
is_legacy_candidate_ = false;
// Displaying the candidate text (i.e. the "A" in the diagram below).
// +---+
// | A | <-- label being created
// | |
// | 1 |
// +---+
// Wrapper uses views::Label since it doesn't override the hover state of the
// button.
auto* candidate_wrapper = AddChildView(std::make_unique<views::Label>());
views::FlexLayout* candidate_wrapper_layout =
candidate_wrapper->SetLayoutManager(
std::make_unique<views::FlexLayout>());
candidate_wrapper_layout->SetCrossAxisAlignment(
views::LayoutAlignment::kCenter);
candidate_wrapper_layout->SetMainAxisAlignment(
views::LayoutAlignment::kCenter);
candidate_wrapper->SetProperty(views::kBoxLayoutFlexKey,
views::BoxLayoutFlexSpecification());
candidate_wrapper->SetPreferredSize(
gfx::Size(kCandidateSquareSide, kCandidateSquareSide));
candidate_wrapper->AddChildView(
std::make_unique<views::Label>(candidate_text, kCandidateTextFont));
// Displaying the index (i.e. the "1" in the diagram below).
// +---+
// | A |
// | |
// | 1 | <-- label being created
// +---+
auto* candidate_text_label =
AddChildView(std::make_unique<views::Label>(index_text, kIndexFont));
candidate_text_label->SetEnabledColor(
ResolveSemanticColor(cros_styles::ColorName::kTextColorSecondary));
}
IndexedSuggestionCandidateButton::~IndexedSuggestionCandidateButton() = default;
BEGIN_METADATA(IndexedSuggestionCandidateButton)
END_METADATA
} // namespace ui::ime
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