// Copyright 2014 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/infolist_window.h"
#include <stddef.h>
#include <string>
#include <vector>
#include "base/logging.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/ash/input_method/candidate_window_constants.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/base/mojom/dialog_button.mojom.h"
#include "ui/chromeos/strings/grit/ui_chromeos_strings.h"
#include "ui/color/color_id.h"
#include "ui/color/color_provider.h"
#include "ui/gfx/color_utils.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/views/background.h"
#include "ui/views/border.h"
#include "ui/views/bubble/bubble_border.h"
#include "ui/views/bubble/bubble_frame_view.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/widget/widget.h"
#include "ui/wm/core/window_animations.h"
namespace ui {
namespace ime {
namespace {
// The width of an info-list.
const int kInfolistEntryWidth = 200;
// The milliseconds of the delay to show the infolist window.
const int kInfolistShowDelayMilliSeconds = 500;
// The milliseconds of the delay to hide the infolist window.
const int kInfolistHideDelayMilliSeconds = 500;
///////////////////////////////////////////////////////////////////////////////
// InfolistBorder
// The BubbleBorder subclass to draw the border and determine its position.
class InfolistBorder : public views::BubbleBorder {
public:
InfolistBorder();
InfolistBorder(const InfolistBorder&) = delete;
InfolistBorder& operator=(const InfolistBorder&) = delete;
~InfolistBorder() override;
// views::BubbleBorder implementation.
gfx::Rect GetBounds(const gfx::Rect& anchor_rect,
const gfx::Size& contents_size) const override;
gfx::Insets GetInsets() const override;
};
InfolistBorder::InfolistBorder()
: views::BubbleBorder(views::BubbleBorder::LEFT_CENTER,
views::BubbleBorder::STANDARD_SHADOW) {
SetColor(SK_ColorTRANSPARENT);
}
InfolistBorder::~InfolistBorder() {}
gfx::Rect InfolistBorder::GetBounds(const gfx::Rect& anchor_rect,
const gfx::Size& contents_size) const {
gfx::Rect bounds(contents_size);
bounds.set_x(is_arrow_on_left(arrow())
? anchor_rect.right()
: anchor_rect.x() - contents_size.width());
// InfolistBorder modifies the vertical position based on the arrow offset
// although it doesn't draw the arrow. The arrow offset is the half of
// |contents_size| by default but can be modified through the off-screen logic
// in BubbleFrameView.
bounds.set_y(anchor_rect.y() + contents_size.height() / 2);
return bounds;
}
gfx::Insets InfolistBorder::GetInsets() const {
// This has to be specified and return empty insets to place the infolist
// window without the gap.
return gfx::Insets();
}
} // namespace
// InfolistRow renderes a row of a infolist.
class InfolistEntryView : public views::View {
METADATA_HEADER(InfolistEntryView, views::View)
public:
InfolistEntryView(const ui::InfolistEntry& entry,
const gfx::FontList& title_font_list,
const gfx::FontList& description_font_list);
InfolistEntryView(const InfolistEntryView&) = delete;
InfolistEntryView& operator=(const InfolistEntryView&) = delete;
~InfolistEntryView() override;
void SetEntry(const ui::InfolistEntry& entry);
private:
// views::View implementation.
gfx::Size CalculatePreferredSize(
const views::SizeBounds& available_size) const override;
void UpdateBackground();
ui::InfolistEntry entry_;
// The title label. Owned by views hierarchy.
raw_ptr<views::Label> title_label_;
// The description label. Owned by views hierarchy.
raw_ptr<views::Label> description_label_;
};
BEGIN_METADATA(InfolistEntryView)
END_METADATA
InfolistEntryView::InfolistEntryView(const ui::InfolistEntry& entry,
const gfx::FontList& title_font_list,
const gfx::FontList& description_font_list)
: entry_(entry) {
SetLayoutManager(std::make_unique<views::BoxLayout>(
views::BoxLayout::Orientation::kVertical));
title_label_ = new views::Label(entry.title, {title_font_list});
title_label_->SetPosition(gfx::Point(0, 0));
title_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
title_label_->SetBorder(
views::CreateEmptyBorder(gfx::Insets::TLBR(4, 7, 2, 4)));
description_label_ = new views::Label(entry.body, {description_font_list});
description_label_->SetPosition(gfx::Point(0, 0));
description_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
description_label_->SetMultiLine(true);
description_label_->SizeToFit(kInfolistEntryWidth);
description_label_->SetBorder(
views::CreateEmptyBorder(gfx::Insets::TLBR(2, 17, 4, 4)));
AddChildView(title_label_.get());
AddChildView(description_label_.get());
UpdateBackground();
}
InfolistEntryView::~InfolistEntryView() {}
void InfolistEntryView::SetEntry(const ui::InfolistEntry& entry) {
if (entry_ == entry) {
return;
}
entry_ = entry;
title_label_->SetText(entry_.title);
description_label_->SetText(entry_.body);
UpdateBackground();
}
gfx::Size InfolistEntryView::CalculatePreferredSize(
const views::SizeBounds& available_size) const {
return gfx::Size(kInfolistEntryWidth,
GetLayoutManager()->GetPreferredHeightForWidth(
this, kInfolistEntryWidth));
}
void InfolistEntryView::UpdateBackground() {
if (entry_.highlighted) {
const auto* color_provider = GetColorProvider();
SetBackground(views::CreateSolidBackground(
color_provider->GetColor(ui::kColorTextfieldSelectionBackground)));
SetBorder(views::CreateSolidBorder(
1, color_provider->GetColor(ui::kColorFocusableBorderFocused)));
} else {
SetBackground(nullptr);
SetBorder(views::CreateEmptyBorder(1));
}
SchedulePaint();
}
///////////////////////////////////////////////////////////////////////////////
// InfolistWindow
InfolistWindow::InfolistWindow(views::View* candidate_window,
const std::vector<ui::InfolistEntry>& entries)
: views::BubbleDialogDelegateView(candidate_window,
views::BubbleBorder::NONE),
title_font_list_(gfx::Font(kJapaneseFontName, kFontSizeDelta + 15)),
description_font_list_(
gfx::Font(kJapaneseFontName, kFontSizeDelta + 11)) {
DialogDelegate::SetButtons(static_cast<int>(ui::mojom::DialogButton::kNone));
SetCanActivate(false);
set_accept_events(false);
set_margins(gfx::Insets());
const auto* color_provider = GetColorProvider();
SetBackground(views::CreateSolidBackground(
color_provider->GetColor(ui::kColorWindowBackground)));
SetBorder(views::CreateSolidBorder(
1, color_provider->GetColor(ui::kColorMenuBorder)));
SetLayoutManager(std::make_unique<views::BoxLayout>(
views::BoxLayout::Orientation::kVertical));
views::Label* caption_label = new views::Label(
l10n_util::GetStringUTF16(IDS_CHROMEOS_IME_INFOLIST_WINDOW_TITLE));
caption_label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
caption_label->SetEnabledColor(
color_provider->GetColor(ui::kColorLabelForeground));
caption_label->SetBorder(views::CreateEmptyBorder(2));
caption_label->SetBackground(
views::CreateSolidBackground(color_utils::AlphaBlend(
SK_ColorBLACK, color_provider->GetColor(ui::kColorWindowBackground),
0.0625f)));
AddChildView(caption_label);
for (size_t i = 0; i < entries.size(); ++i) {
entry_views_.push_back(new InfolistEntryView(entries[i], title_font_list_,
description_font_list_));
AddChildView(entry_views_.back());
}
}
InfolistWindow::~InfolistWindow() {}
void InfolistWindow::InitWidget() {
views::Widget* widget = views::BubbleDialogDelegateView::CreateBubble(this);
wm::SetWindowVisibilityAnimationType(
widget->GetNativeView(), wm::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE);
// BubbleFrameView will be initialized through CreateBubble.
GetBubbleFrameView()->SetBubbleBorder(std::make_unique<InfolistBorder>());
SizeToContents();
}
void InfolistWindow::Relayout(const std::vector<ui::InfolistEntry>& entries) {
size_t i = 0;
for (; i < entries.size(); ++i) {
if (i < entry_views_.size()) {
entry_views_[i]->SetEntry(entries[i]);
} else {
InfolistEntryView* new_entry = new InfolistEntryView(
entries[i], title_font_list_, description_font_list_);
AddChildView(new_entry);
entry_views_.push_back(new_entry);
}
}
if (i < entry_views_.size()) {
for (; i < entry_views_.size(); ++i) {
delete entry_views_[i];
}
entry_views_.resize(entries.size());
}
DeprecatedLayoutImmediately();
SizeToContents();
}
void InfolistWindow::ShowWithDelay() {
show_hide_timer_.Start(FROM_HERE,
base::Milliseconds(kInfolistShowDelayMilliSeconds),
GetWidget(), &views::Widget::Show);
}
void InfolistWindow::HideWithDelay() {
show_hide_timer_.Start(FROM_HERE,
base::Milliseconds(kInfolistHideDelayMilliSeconds),
GetWidget(), &views::Widget::Close);
}
void InfolistWindow::ShowImmediately() {
show_hide_timer_.Stop();
GetWidget()->Show();
}
void InfolistWindow::HideImmediately() {
show_hide_timer_.Stop();
GetWidget()->Close();
}
void InfolistWindow::WindowClosing() {
show_hide_timer_.Stop();
}
BEGIN_METADATA(InfolistWindow)
END_METADATA
} // namespace ime
} // namespace ui
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