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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/shelf/shelf_tooltip_manager.h"
#include <string>
#include "ash/constants/ash_switches.h"
#include "ash/shelf/shelf.h"
#include "ash/shelf/shelf_tooltip_bubble.h"
#include "ash/shelf/shelf_tooltip_delegate.h"
#include "ash/shelf/shelf_widget.h"
#include "ash/shell.h"
#include "ash/wm/desks/desk_button/desk_button.h"
#include "base/functional/bind.h"
#include "base/time/time.h"
#include "ui/aura/window.h"
#include "ui/events/event.h"
#include "ui/events/types/event_type.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/views/controls/button/button.h"
#include "ui/wm/core/window_animations.h"
namespace ash {
namespace {
const int kTooltipAppearanceDelay = 250; // msec
} // namespace
ShelfTooltipManager::ShelfTooltipManager(Shelf* shelf)
: timer_delay_(kTooltipAppearanceDelay), shelf_(shelf) {
shelf_->AddObserver(this);
Shell::Get()->AddPreTargetHandler(this);
}
ShelfTooltipManager::~ShelfTooltipManager() {
Shell::Get()->RemovePreTargetHandler(this);
shelf_->RemoveObserver(this);
}
void ShelfTooltipManager::Close(bool animate) {
// Cancel any timer set to show a tooltip after a delay.
timer_.Stop();
if (!bubble_)
return;
if (!animate) {
// Cancel the typical hiding animation to hide the bubble immediately.
::wm::SetWindowVisibilityAnimationTransition(
bubble_->GetWidget()->GetNativeWindow(), ::wm::ANIMATE_NONE);
}
bubble_->GetWidget()->Close();
bubble_ = nullptr;
}
bool ShelfTooltipManager::IsVisible() const {
return bubble_ && bubble_->GetWidget()->IsVisible();
}
views::View* ShelfTooltipManager::GetCurrentAnchorView() const {
return bubble_ ? bubble_->GetAnchorView() : nullptr;
}
void ShelfTooltipManager::ShowTooltip(views::View* view) {
// Hide the old bubble immediately, skipping the typical closing animation.
Close(false /*animate*/);
if (!ShouldShowTooltipForView(view))
return;
const std::vector<aura::Window*> open_windows =
shelf_tooltip_delegate_->GetOpenWindowsForView(view);
const ShelfAlignment alignment = shelf_->alignment();
// In vertical shelf, the desk button tooltip bubble should still be centered
// above the respective view.
absl::optional<views::BubbleBorder::Arrow> forced_arrow_position;
if (DeskButtonWidget* desk_button_widget = shelf_->desk_button_widget()) {
DeskButton* desk_button = desk_button_widget->GetDeskButton();
if (view == desk_button || view->parent() == desk_button) {
forced_arrow_position = views::BubbleBorder::Arrow::BOTTOM_CENTER;
}
}
bubble_ = new ShelfTooltipBubble(
view, alignment, shelf_tooltip_delegate_->GetTitleForView(view),
forced_arrow_position);
aura::Window* window = bubble_->GetWidget()->GetNativeWindow();
::wm::SetWindowVisibilityAnimationType(
window, ::wm::WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL);
::wm::SetWindowVisibilityAnimationTransition(window, ::wm::ANIMATE_HIDE);
// Do not trigger a highlight when hovering over shelf items.
bubble_->set_highlight_button_when_shown(false);
bubble_->GetWidget()->Show();
}
void ShelfTooltipManager::ShowTooltipWithDelay(views::View* view) {
if (ShouldShowTooltipForView(view)) {
timer_.Start(FROM_HERE, base::Milliseconds(timer_delay_),
base::BindOnce(&ShelfTooltipManager::ShowTooltip,
weak_factory_.GetWeakPtr(), view));
}
}
void ShelfTooltipManager::OnMouseEvent(ui::MouseEvent* event) {
if (bubble_ && event->type() == ui::ET_MOUSE_PRESSED) {
ProcessPressedEvent(*event);
return;
}
if (bubble_ && event->type() == ui::ET_MOUSE_EXITED &&
bubble_->ShouldCloseOnMouseExit()) {
Close();
return;
}
// Happens in tests where mouse events are picked up before
// |shelf_tooltip_delegate_| is set.
if (!shelf_tooltip_delegate_)
return;
views::View* delegate_view = shelf_tooltip_delegate_->GetViewForEvent(*event);
// The code below handles mouse move events within the shelf window.
if (event->type() != ui::ET_MOUSE_MOVED || !delegate_view) {
// Don't show delayed tooltips if the mouse is being active elsewhere.
timer_.Stop();
return;
}
gfx::Point point = event->location();
views::View::ConvertPointFromWidget(delegate_view, &point);
views::View* view = delegate_view->GetTooltipHandlerForPoint(point);
const bool should_show = ShouldShowTooltipForView(view);
timer_.Stop();
if (IsVisible() && should_show && bubble_->GetAnchorView() != view)
ShowTooltip(view);
else if (!IsVisible() && should_show)
ShowTooltipWithDelay(view);
else if (IsVisible() &&
shelf_tooltip_delegate_->ShouldHideTooltip(point, delegate_view)) {
Close();
}
}
void ShelfTooltipManager::OnTouchEvent(ui::TouchEvent* event) {
if (bubble_ && event->type() == ui::ET_TOUCH_PRESSED)
ProcessPressedEvent(*event);
}
void ShelfTooltipManager::OnScrollEvent(ui::ScrollEvent* event) {
// Close any currently shown bubble.
Close();
}
void ShelfTooltipManager::OnKeyEvent(ui::KeyEvent* event) {
// Close any currently shown bubble.
Close();
}
void ShelfTooltipManager::OnShelfVisibilityStateChanged(
ShelfVisibilityState new_state) {
if (new_state == SHELF_HIDDEN)
Close();
}
void ShelfTooltipManager::OnAutoHideStateChanged(ShelfAutoHideState new_state) {
if (new_state == SHELF_AUTO_HIDE_HIDDEN)
Close();
}
bool ShelfTooltipManager::ShouldShowTooltipForView(views::View* view) {
const bool shelf_visibility =
shelf_ && (shelf_->GetVisibilityState() == SHELF_VISIBLE ||
(shelf_->GetVisibilityState() == SHELF_AUTO_HIDE &&
shelf_->GetAutoHideState() == SHELF_AUTO_HIDE_SHOWN));
if (!shelf_visibility)
return false;
return shelf_tooltip_delegate_->ShouldShowTooltipForView(view);
}
void ShelfTooltipManager::ProcessPressedEvent(const ui::LocatedEvent& event) {
// Always close the tooltip on press events outside the tooltip.
if (bubble_->ShouldCloseOnPressDown() ||
event.target() != bubble_->GetWidget()->GetNativeWindow()) {
Close();
}
}
} // namespace ash
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