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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 "chromeos/ui/frame/multitask_menu/multitask_menu.h"
#include <memory>
#include "base/check.h"
#include "chromeos/ui/base/display_util.h"
#include "chromeos/ui/base/window_properties.h"
#include "chromeos/ui/frame/multitask_menu/float_controller_base.h"
#include "chromeos/ui/frame/multitask_menu/multitask_menu_view.h"
#include "chromeos/ui/wm/window_util.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/base/mojom/dialog_button.mojom.h"
#include "ui/display/screen.h"
#include "ui/display/tablet_state.h"
#include "ui/views/layout/table_layout.h"
namespace chromeos {
namespace {
constexpr int kMultitaskMenuBubbleCornerRadius = 8;
// Padding between the edges of the menu and the elements.
constexpr int kPaddingWide = 12;
// Padding between the elements.
constexpr int kPaddingNarrow = 8;
} // namespace
MultitaskMenu::MultitaskMenu(views::View* anchor,
views::Widget* parent_widget,
bool close_on_move_out) {
DCHECK(parent_widget);
set_corner_radius(kMultitaskMenuBubbleCornerRadius);
set_close_on_deactivate(true);
set_internal_name("MultitaskMenuBubbleWidget");
set_margins(gfx::Insets());
set_parent_window(parent_widget->GetNativeWindow());
SetAnchorView(anchor);
SetArrow(views::BubbleBorder::Arrow::TOP_CENTER);
SetEnableArrowKeyTraversal(true);
SetButtons(static_cast<int>(ui::mojom::DialogButton::kNone));
SetCanActivate(parent_widget->IsActive());
SetUseDefaultFillLayout(true);
uint8_t buttons = MultitaskMenuView::kFullscreen;
if (SnapController::Get()->CanSnap(parent_window())) {
buttons |= MultitaskMenuView::kHalfSplit;
buttons |= MultitaskMenuView::kPartialSplit;
}
if (chromeos::wm::CanFloatWindow(parent_window())) {
buttons |= MultitaskMenuView::kFloat;
}
// Must be initialized after setting bounds.
multitask_menu_view_ = AddChildView(std::make_unique<MultitaskMenuView>(
parent_window(),
base::BindRepeating(&MultitaskMenu::HideBubble, base::Unretained(this)),
base::BindRepeating(&MultitaskMenu::HideBubble, base::Unretained(this)),
buttons, close_on_move_out ? anchor : nullptr));
multitask_menu_view_->SetLayoutManager(std::make_unique<views::TableLayout>())
->AddPaddingColumn(views::TableLayout::kFixedSize, kPaddingWide)
.AddColumn(views::LayoutAlignment::kCenter,
views::LayoutAlignment::kCenter,
views::TableLayout::kFixedSize,
views::TableLayout::ColumnSize::kUsePreferred, 0, 0)
.AddPaddingColumn(views::TableLayout::kFixedSize, kPaddingNarrow)
.AddColumn(views::LayoutAlignment::kCenter,
views::LayoutAlignment::kCenter,
views::TableLayout::kFixedSize,
views::TableLayout::ColumnSize::kUsePreferred, 0, 0)
.AddPaddingColumn(views::TableLayout::kFixedSize, kPaddingWide)
.AddPaddingRow(views::TableLayout::kFixedSize, kPaddingWide)
.AddRows(1, views::TableLayout::kFixedSize, 0)
.AddPaddingRow(views::TableLayout::kFixedSize, kPaddingNarrow)
.AddRows(1, views::TableLayout::kFixedSize, 0)
.AddPaddingRow(views::TableLayout::kFixedSize, kPaddingWide);
display_observer_.emplace(this);
window_observation_.Observe(parent_widget->GetNativeWindow());
}
MultitaskMenu::~MultitaskMenu() = default;
void MultitaskMenu::HideBubble() {
// Callers of this function are expected to alter the bounds of the parent
// window. Do not animate in this case otherwise the bubble may fade out while
// outside of the parent window's bounds.
views::Widget* widget = GetWidget();
widget->SetVisibilityAnimationTransition(views::Widget::ANIMATE_NONE);
// Destroys `this`.
widget->CloseWithReason(views::Widget::ClosedReason::kUnspecified);
}
base::WeakPtr<MultitaskMenu> MultitaskMenu::GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
void MultitaskMenu::OnDisplayTabletStateChanged(display::TabletState state) {
if (state == display::TabletState::kEnteringTabletMode)
HideBubble();
}
void MultitaskMenu::OnDisplayMetricsChanged(const display::Display& display,
uint32_t changed_metrics) {
// Ignore changes to displays that aren't showing the menu.
if (display.id() !=
display::Screen::GetScreen()
->GetDisplayNearestView(GetWidget()->GetNativeWindow())
.id()) {
return;
}
if (changed_metrics & display::DisplayObserver::DISPLAY_METRIC_ROTATION)
HideBubble();
}
void MultitaskMenu::OnWindowPropertyChanged(aura::Window* window,
const void* key,
intptr_t old) {
if (key == kIsShowingInOverviewKey) {
HideBubble();
}
}
void MultitaskMenu::OnWindowDestroying(aura::Window* window) {
window_observation_.Reset();
}
BEGIN_METADATA(MultitaskMenu)
END_METADATA
} // namespace chromeos
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