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// Copyright 2024 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/editor_menu/editor_menu_view.h"
#include <algorithm>
#include <array>
#include <string_view>
#include <utility>
#include <vector>
#include "base/check_deref.h"
#include "base/functional/bind.h"
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/raw_ref.h"
#include "chrome/browser/ui/ash/editor_menu/editor_menu_badge_view.h"
#include "chrome/browser/ui/ash/editor_menu/editor_menu_chip_view.h"
#include "chrome/browser/ui/ash/editor_menu/editor_menu_strings.h"
#include "chrome/browser/ui/ash/editor_menu/editor_menu_textfield_view.h"
#include "chrome/browser/ui/ash/editor_menu/editor_menu_view_delegate.h"
#include "chrome/browser/ui/ash/editor_menu/utils/pre_target_handler.h"
#include "chrome/browser/ui/ash/editor_menu/utils/pre_target_handler_view.h"
#include "chrome/browser/ui/ash/editor_menu/utils/utils.h"
#include "chromeos/ash/components/editor_menu/public/cpp/icon.h"
#include "chromeos/ash/components/editor_menu/public/cpp/preset_text_query.h"
#include "chromeos/strings/grit/chromeos_strings.h"
#include "components/application_locale_storage/application_locale_storage.h"
#include "components/vector_icons/vector_icons.h"
#include "ui/base/accelerators/accelerator.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/color/color_id.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rounded_corners_f.h"
#include "ui/views/accessibility/view_accessibility.h"
#include "ui/views/background.h"
#include "ui/views/controls/button/image_button.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/tabbed_pane/tabbed_pane.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/layout/flex_layout.h"
#include "ui/views/layout/flex_layout_types.h"
#include "ui/views/layout/flex_layout_view.h"
#include "ui/views/layout/layout_manager.h"
#include "ui/views/layout/layout_provider.h"
#include "ui/views/style/typography.h"
#include "ui/views/view.h"
#include "ui/views/view_utils.h"
#include "ui/views/widget/widget.h"
#include "ui/wm/core/shadow_types.h"
namespace chromeos::editor_menu {
namespace {
constexpr char kWidgetName[] = "EditorMenuViewWidget";
constexpr char16_t kCardShownAnnouncement[] =
u"Help Me Write, press tab to focus the Help Me Write card.";
constexpr gfx::Insets kTabsTitleContainerInsets =
gfx::Insets::TLBR(8, 10, 0, 8);
constexpr gfx::Insets kNoTabsTitleContainerInsets =
gfx::Insets::TLBR(10, 16, 0, 8);
constexpr int kBadgeHorizontalPadding = 8;
constexpr gfx::Insets kSettingsButtonPadding = gfx::Insets(4);
// Spacing to apply between and around chips.
constexpr int kChipsHorizontalPadding = 8;
constexpr int kChipsVerticalPadding = 12;
constexpr gfx::Insets kChipsContainerInsets = gfx::Insets::TLBR(8, 16, 0, 16);
constexpr gfx::Insets kTextfieldContainerInsets = gfx::Insets(16);
constexpr gfx::Size kTabbedPaneSize = gfx::Size(180, 36);
const views::FlexSpecification kTabbedPaneFlexSpecification =
views::FlexSpecification(views::MinimumFlexSizeRule::kScaleToZero,
views::MaximumFlexSizeRule::kPreferred)
.WithWeight(1);
const std::u16string GetEditorMenuAccessibilityName(
TextAndImageMode text_and_image_mode) {
if (text_and_image_mode == TextAndImageMode::kEditorRewriteAndLobster ||
text_and_image_mode == TextAndImageMode::kEditorRewriteOnly) {
return GetEditorMenuRewriteCardTitle();
}
if (text_and_image_mode == TextAndImageMode::kEditorWriteAndLobster ||
text_and_image_mode == TextAndImageMode::kEditorWriteOnly) {
return GetEditorMenuWriteCardTitle();
}
if (text_and_image_mode == TextAndImageMode::kLobsterWithNoSelectedText ||
text_and_image_mode == TextAndImageMode::kLobsterWithSelectedText) {
return GetEditorMenuLobsterTitle();
}
return u"";
}
} // namespace
int GetChipsContainerHeightWithPaddings(int chip_height, int num_rows) {
const int total_chips_height = num_rows * chip_height;
const int total_chips_paddings =
num_rows >= 1 ? (num_rows - 1) * kChipsVerticalPadding +
kChipsContainerInsets.height()
: 0;
return total_chips_height + total_chips_paddings;
}
EditorMenuView::EditorMenuView(
const ApplicationLocaleStorage* application_locale_storage,
TextAndImageMode text_and_image_mode,
const PresetTextQueries& preset_text_queries,
const gfx::Rect& anchor_view_bounds,
EditorMenuViewDelegate* delegate)
: PreTargetHandlerView(CardType::kEditorMenu),
application_locale_storage_(CHECK_DEREF(application_locale_storage)),
text_and_image_mode_(text_and_image_mode),
delegate_(delegate) {
CHECK(delegate_);
InitLayout(preset_text_queries);
GetViewAccessibility().SetRole(ax::mojom::Role::kDialog);
GetViewAccessibility().SetName(
GetEditorMenuAccessibilityName(text_and_image_mode_));
}
EditorMenuView::~EditorMenuView() = default;
// static
std::unique_ptr<views::Widget> EditorMenuView::CreateWidget(
const ApplicationLocaleStorage* application_locale_storage,
TextAndImageMode text_and_image_mode,
const PresetTextQueries& preset_text_queries,
const gfx::Rect& anchor_view_bounds,
EditorMenuViewDelegate* delegate) {
views::Widget::InitParams params(
views::Widget::InitParams::CLIENT_OWNS_WIDGET,
views::Widget::InitParams::TYPE_POPUP);
params.opacity = views::Widget::InitParams::WindowOpacity::kTranslucent;
params.activatable = views::Widget::InitParams::Activatable::kYes;
const int corner_radius = views::LayoutProvider::Get()->GetCornerRadiusMetric(
views::ShapeContextTokens::kMenuRadius);
params.rounded_corners = gfx::RoundedCornersF(corner_radius);
params.shadow_elevation = wm::kShadowElevationMenuOrTooltip;
params.shadow_type = views::Widget::InitParams::ShadowType::kDrop;
params.z_order = ui::ZOrderLevel::kFloatingUIElement;
params.name = kWidgetName;
auto widget = std::make_unique<views::Widget>(std::move(params));
EditorMenuView* editor_menu_view =
widget->SetContentsView(std::make_unique<EditorMenuView>(
application_locale_storage, text_and_image_mode, preset_text_queries,
anchor_view_bounds, delegate));
editor_menu_view->UpdateBounds(anchor_view_bounds);
return widget;
}
void EditorMenuView::AddedToWidget() {
PreTargetHandlerView::AddedToWidget();
AddAccelerator(ui::Accelerator(ui::VKEY_ESCAPE, ui::EF_NONE));
}
void EditorMenuView::RequestFocus() {
views::View::RequestFocus();
// Focus on first chip if there is any; otherwise focus on the prompt text
// field.
if (!chips_container_->children().empty()) {
auto first_chips_row = chips_container_->children().front();
if (!first_chips_row->children().empty()) {
first_chips_row->children().front()->RequestFocus();
return;
}
}
textfield_->textfield()->RequestFocus();
}
gfx::Size EditorMenuView::CalculatePreferredSize(
const views::SizeBounds& available_size) const {
if (!available_size.width().is_bounded()) {
return PreTargetHandlerView::CalculatePreferredSize(available_size);
}
int width = available_size.width().value();
// When the width of editor menu view is updated, we will adjust the number of
// rows chips (see: UpdateChipsContainer). Thus, here we need to pre-compute
// the expected number of rows here and so we can estimate the height rather
// than relying on the default logic.
const int chip_container_width = width - kChipsContainerInsets.width();
int running_width = 0;
int num_rows = 0;
int chip_height = 0;
for (views::View* row : chips_container_->children()) {
for (views::View* chip : row->children()) {
const int chip_width = chip->GetPreferredSize().width();
if (num_rows > 0 &&
running_width + kChipsHorizontalPadding + chip_width <=
chip_container_width) {
running_width += kChipsHorizontalPadding + chip_width;
} else {
++num_rows;
running_width = chip_width;
}
chip_height = chip->height();
}
}
const int title_height_with_padding =
title_container_->height() + GetTitleContainerInsets().height();
const int chips_height_with_padding =
GetChipsContainerHeightWithPaddings(chip_height, num_rows);
const int textfield_height_with_padding =
textfield_->height() + kTextfieldContainerInsets.height();
return gfx::Size(width, title_height_with_padding +
chips_height_with_padding +
textfield_height_with_padding);
}
bool EditorMenuView::AcceleratorPressed(const ui::Accelerator& accelerator) {
CHECK_EQ(accelerator.key_code(), ui::VKEY_ESCAPE);
GetWidget()->Close();
return true;
}
void EditorMenuView::OnWidgetVisibilityChanged(views::Widget* widget,
bool visible) {
CHECK(delegate_);
delegate_->OnEditorMenuVisibilityChanged(visible);
if (visible && !queued_announcement_) {
GetViewAccessibility().AnnounceAlert(kCardShownAnnouncement);
queued_announcement_ = true;
}
}
void EditorMenuView::TabSelectedAt(int index) {
CHECK(delegate_);
textfield_->textfield()->SetPlaceholderText(
index == 1
? GetEditorMenuFreeformPromptInputFieldPlaceholderForLobster()
: GetEditorMenuFreeformPromptInputFieldPlaceholderForHelpMeWrite());
delegate_->OnTabSelected(index);
}
void EditorMenuView::UpdateBounds(const gfx::Rect& anchor_view_bounds) {
gfx::Rect editor_menu_bounds = GetEditorMenuBounds(
anchor_view_bounds, this, application_locale_storage_->Get());
GetWidget()->SetBounds(editor_menu_bounds);
UpdateChipsContainer(/*editor_menu_width=*/editor_menu_bounds.width());
}
void EditorMenuView::DisableMenu() {
settings_button_->SetEnabled(false);
for (views::View* row : chips_container_->children()) {
for (views::View* chip : row->children()) {
chip->SetEnabled(false);
}
}
textfield_->textfield()->SetEnabled(false);
textfield_->arrow_button()->SetEnabled(false);
}
const char* EditorMenuView::GetWidgetNameForTest() {
return kWidgetName;
}
void EditorMenuView::InitLayout(const PresetTextQueries& preset_text_queries) {
SetBackground(views::CreateRoundedRectBackground(
ui::kColorPrimaryBackground,
views::LayoutProvider::Get()->GetCornerRadiusMetric(
views::ShapeContextTokens::kMenuRadius)));
auto* layout = SetLayoutManager(std::make_unique<views::FlexLayout>());
layout->SetOrientation(views::LayoutOrientation::kVertical);
AddTitleContainer();
AddChipsContainer(preset_text_queries);
AddTextfield();
}
gfx::Insets EditorMenuView::GetTitleContainerInsets() const {
switch (text_and_image_mode_) {
case TextAndImageMode::kEditorWriteAndLobster:
return kTabsTitleContainerInsets;
case TextAndImageMode::kEditorWriteOnly:
case TextAndImageMode::kEditorRewriteOnly:
case TextAndImageMode::kLobsterWithNoSelectedText:
case TextAndImageMode::kLobsterWithSelectedText:
case TextAndImageMode::kEditorRewriteAndLobster:
return kNoTabsTitleContainerInsets;
case TextAndImageMode::kBlocked:
case TextAndImageMode::kPromoCard:
return gfx::Insets();
}
}
void EditorMenuView::AddTitleContainer() {
title_container_ = AddChildView(std::make_unique<views::View>());
views::BoxLayout* layout =
title_container_->SetLayoutManager(std::make_unique<views::BoxLayout>(
views::BoxLayout::Orientation::kHorizontal));
layout->set_cross_axis_alignment(
views::BoxLayout::CrossAxisAlignment::kCenter);
if (text_and_image_mode_ == TextAndImageMode::kEditorWriteAndLobster) {
tabbed_pane_ =
title_container_->AddChildView(std::make_unique<views::TabbedPane>());
tabbed_pane_->SetPreferredSize(kTabbedPaneSize);
tabbed_pane_->SetProperty(views::kFlexBehaviorKey,
kTabbedPaneFlexSpecification);
tabbed_pane_->AddTab(GetEditorMenuWriteCardTitle(),
std::make_unique<views::View>());
tabbed_pane_->AddTab(GetEditorMenuLobsterTitle(),
std::make_unique<views::View>());
tabbed_pane_->SetListener(this);
} else if (text_and_image_mode_ == TextAndImageMode::kEditorWriteOnly) {
auto* title = title_container_->AddChildView(std::make_unique<views::Label>(
GetEditorMenuWriteCardTitle(), views::style::CONTEXT_DIALOG_TITLE,
views::style::STYLE_HEADLINE_5));
title->SetEnabledColor(ui::kColorSysOnSurface);
} else if (text_and_image_mode_ == TextAndImageMode::kEditorRewriteOnly ||
text_and_image_mode_ ==
TextAndImageMode::kEditorRewriteAndLobster) {
auto* title = title_container_->AddChildView(std::make_unique<views::Label>(
GetEditorMenuRewriteCardTitle(), views::style::CONTEXT_DIALOG_TITLE,
views::style::STYLE_HEADLINE_5));
title->SetEnabledColor(ui::kColorSysOnSurface);
} else if (text_and_image_mode_ ==
TextAndImageMode::kLobsterWithNoSelectedText) {
auto* title = title_container_->AddChildView(std::make_unique<views::Label>(
GetEditorMenuLobsterTitle(), views::style::CONTEXT_DIALOG_TITLE,
views::style::STYLE_HEADLINE_5));
title->SetEnabledColor(ui::kColorSysOnSurface);
} else if (text_and_image_mode_ ==
TextAndImageMode::kLobsterWithSelectedText) {
auto* title = title_container_->AddChildView(std::make_unique<views::Label>(
GetEditorMenuRewriteCardTitle(), views::style::CONTEXT_DIALOG_TITLE,
views::style::STYLE_HEADLINE_5));
title->SetEnabledColor(ui::kColorSysOnSurface);
}
auto* badge =
title_container_->AddChildView(std::make_unique<EditorMenuBadgeView>());
badge->SetProperty(views::kMarginsKey,
gfx::Insets::VH(0, kBadgeHorizontalPadding));
auto* spacer =
title_container_->AddChildView(std::make_unique<views::View>());
layout->SetFlexForView(spacer, 1);
settings_button_ =
title_container_->AddChildView(views::ImageButton::CreateIconButton(
base::BindRepeating(&EditorMenuView::OnSettingsButtonPressed,
weak_factory_.GetWeakPtr()),
vector_icons::kSettingsOutlineIcon, GetEditorMenuSettingsTooltip()));
settings_button_->SetProperty(views::kMarginsKey, kSettingsButtonPadding);
title_container_->SetProperty(views::kMarginsKey, GetTitleContainerInsets());
}
void EditorMenuView::AddChipsContainer(
const PresetTextQueries& preset_text_queries) {
chips_container_ = AddChildView(std::make_unique<views::FlexLayoutView>());
chips_container_->SetOrientation(views::LayoutOrientation::kVertical);
chips_container_->SetCollapseMargins(true);
chips_container_->SetIgnoreDefaultMainAxisMargins(true);
chips_container_->SetProperty(views::kMarginsKey, kChipsContainerInsets);
chips_container_->SetDefault(views::kMarginsKey,
gfx::Insets::VH(kChipsVerticalPadding, 0));
// Put all the chips in a single row while we are initially creating the
// editor menu. This layout will be adjusted once the editor menu bounds are
// set.
auto* row = AddChipsRow();
for (const auto& preset_text_query : preset_text_queries) {
row->AddChildView(std::make_unique<EditorMenuChipView>(
base::BindRepeating(&EditorMenuView::OnChipButtonPressed,
weak_factory_.GetWeakPtr(),
preset_text_query.text_query_id),
preset_text_query));
}
}
void EditorMenuView::AddTextfield() {
textfield_ =
AddChildView(std::make_unique<EditorMenuTextfieldView>(delegate_));
textfield_->SetProperty(views::kMarginsKey, kTextfieldContainerInsets);
}
void EditorMenuView::UpdateChipsContainer(int editor_menu_width) {
// Remove chips from their current rows and transfer ownership since we want
// to add the chips to new rows.
std::vector<std::unique_ptr<EditorMenuChipView>> chips;
for (views::View* row : chips_container_->children()) {
while (!row->children().empty()) {
chips.push_back(row->RemoveChildViewT(
views::AsViewClass<EditorMenuChipView>(row->children()[0])));
}
}
// Remove existing rows from the chips container and delete them.
chips_container_->RemoveAllChildViews();
// Re-add the chips into new rows in the chips container, adjusting the layout
// according to the updated editor menu width. We keep track of the running
// width of the current chip row and start a new row of chips whenever the
// chip being added can't fit into the current row.
const int chip_container_width =
editor_menu_width - kChipsContainerInsets.width();
int running_width = 0;
views::View* row = nullptr;
for (auto& chip : chips) {
const int chip_width = chip->GetPreferredSize().width();
if (row != nullptr &&
running_width + chip_width + kChipsHorizontalPadding <=
chip_container_width) {
// Add the chip to the current row if it can fit (including space for
// padding between chips).
running_width += chip_width + kChipsHorizontalPadding;
} else {
// Otherwise, create a new row for the chip.
row = AddChipsRow();
running_width = chip_width;
}
row->AddChildView(std::move(chip));
}
}
views::View* EditorMenuView::AddChipsRow() {
auto* row =
chips_container_->AddChildView(std::make_unique<views::FlexLayoutView>());
row->SetCollapseMargins(true);
row->SetIgnoreDefaultMainAxisMargins(true);
row->SetDefault(views::kMarginsKey,
gfx::Insets::VH(0, kChipsHorizontalPadding));
return row;
}
void EditorMenuView::OnSettingsButtonPressed() {
CHECK(delegate_);
delegate_->OnSettingsButtonPressed();
}
void EditorMenuView::OnChipButtonPressed(const std::string& text_query_id) {
CHECK(delegate_);
delegate_->OnChipButtonPressed(text_query_id);
}
BEGIN_METADATA(EditorMenuView)
END_METADATA
} // namespace chromeos::editor_menu
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