| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ash/system/tray/tray_background_view.h" |
| |
| #include <algorithm> |
| #include <memory> |
| |
| #include "ash/focus_cycler.h" |
| #include "ash/login/ui/lock_screen.h" |
| #include "ash/public/cpp/ash_constants.h" |
| #include "ash/public/cpp/shell_window_ids.h" |
| #include "ash/shelf/login_shelf_view.h" |
| #include "ash/shelf/shelf_constants.h" |
| #include "ash/shelf/shelf_layout_manager.h" |
| #include "ash/shelf/shelf_widget.h" |
| #include "ash/shell.h" |
| #include "ash/system/model/system_tray_model.h" |
| #include "ash/system/status_area_widget.h" |
| #include "ash/system/status_area_widget_delegate.h" |
| #include "ash/system/tray/system_tray_notifier.h" |
| #include "ash/system/tray/tray_constants.h" |
| #include "ash/system/tray/tray_container.h" |
| #include "ash/system/tray/tray_event_filter.h" |
| #include "ash/window_factory.h" |
| #include "ash/wm/tablet_mode/tablet_mode_controller.h" |
| #include "ui/accessibility/ax_node_data.h" |
| #include "ui/compositor/layer.h" |
| #include "ui/compositor/layer_animation_element.h" |
| #include "ui/compositor/scoped_layer_animation_settings.h" |
| #include "ui/gfx/animation/tween.h" |
| #include "ui/gfx/canvas.h" |
| #include "ui/gfx/geometry/rect.h" |
| #include "ui/gfx/geometry/size.h" |
| #include "ui/gfx/scoped_canvas.h" |
| #include "ui/gfx/transform.h" |
| #include "ui/views/accessibility/ax_aura_obj_cache.h" |
| #include "ui/views/animation/flood_fill_ink_drop_ripple.h" |
| #include "ui/views/animation/ink_drop_highlight.h" |
| #include "ui/views/animation/ink_drop_mask.h" |
| #include "ui/views/background.h" |
| #include "ui/views/layout/fill_layout.h" |
| #include "ui/views/painter.h" |
| #include "ui/views/view_class_properties.h" |
| #include "ui/wm/core/window_animations.h" |
| |
| namespace { |
| |
| const int kAnimationDurationForPopupMs = 200; |
| |
| // Duration of opacity animation for visibility changes. |
| const int kAnimationDurationForVisibilityMs = 250; |
| |
| // When becoming visible delay the animation so that StatusAreaWidgetDelegate |
| // can animate sibling views out of the position to be occuped by the |
| // TrayBackgroundView. |
| const int kShowAnimationDelayMs = 100; |
| |
| // Switches left and right insets if RTL mode is active. |
| void MirrorInsetsIfNecessary(gfx::Insets* insets) { |
| if (base::i18n::IsRTL()) { |
| insets->Set(insets->top(), insets->right(), insets->bottom(), |
| insets->left()); |
| } |
| } |
| |
| // Returns background insets relative to the contents bounds of the view and |
| // mirrored if RTL mode is active. |
| gfx::Insets GetMirroredBackgroundInsets(bool is_shelf_horizontal) { |
| gfx::Insets insets; |
| // "Primary" is the same direction as the shelf, "secondary" is orthogonal. |
| const int primary_padding = 0; |
| const int secondary_padding = -ash::kHitRegionPadding; |
| |
| if (is_shelf_horizontal) { |
| insets.Set(secondary_padding, primary_padding, secondary_padding, |
| primary_padding + ash::kTraySeparatorWidth); |
| } else { |
| insets.Set(primary_padding, secondary_padding, |
| primary_padding + ash::kTraySeparatorWidth, secondary_padding); |
| } |
| MirrorInsetsIfNecessary(&insets); |
| return insets; |
| } |
| |
| } // namespace |
| |
| namespace ash { |
| |
| // static |
| const char TrayBackgroundView::kViewClassName[] = "tray/TrayBackgroundView"; |
| |
| // Used to track when the anchor widget changes position on screen so that the |
| // bubble position can be updated. |
| class TrayBackgroundView::TrayWidgetObserver : public views::WidgetObserver { |
| public: |
| explicit TrayWidgetObserver(TrayBackgroundView* host) : host_(host) {} |
| |
| void OnWidgetBoundsChanged(views::Widget* widget, |
| const gfx::Rect& new_bounds) override { |
| host_->AnchorUpdated(); |
| } |
| |
| void OnWidgetVisibilityChanged(views::Widget* widget, bool visible) override { |
| host_->AnchorUpdated(); |
| } |
| |
| private: |
| TrayBackgroundView* host_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TrayWidgetObserver); |
| }; |
| |
| class TrayBackground : public views::Background { |
| public: |
| explicit TrayBackground(TrayBackgroundView* tray_background_view) |
| : tray_background_view_(tray_background_view) {} |
| |
| ~TrayBackground() override = default; |
| |
| private: |
| // Overridden from views::Background. |
| void Paint(gfx::Canvas* canvas, views::View* view) const override { |
| gfx::ScopedCanvas scoped_canvas(canvas); |
| cc::PaintFlags background_flags; |
| background_flags.setAntiAlias(true); |
| int border_radius = kTrayRoundedBorderRadius; |
| background_flags.setColor(kShelfControlPermanentHighlightBackground); |
| border_radius = ShelfConstants::control_border_radius(); |
| |
| gfx::Rect bounds = tray_background_view_->GetBackgroundBounds(); |
| const float dsf = canvas->UndoDeviceScaleFactor(); |
| canvas->DrawRoundRect(gfx::ScaleToRoundedRect(bounds, dsf), |
| border_radius * dsf, background_flags); |
| } |
| |
| // Reference to the TrayBackgroundView for which this is a background. |
| TrayBackgroundView* tray_background_view_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TrayBackground); |
| }; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // TrayBackgroundView |
| |
| TrayBackgroundView::TrayBackgroundView(Shelf* shelf) |
| // Note the ink drop style is ignored. |
| : ActionableView(TrayPopupInkDropStyle::FILL_BOUNDS), |
| shelf_(shelf), |
| tray_container_(new TrayContainer(shelf)), |
| background_(new TrayBackground(this)), |
| is_active_(false), |
| separator_visible_(true), |
| visible_preferred_(false), |
| show_with_virtual_keyboard_(false), |
| widget_observer_(new TrayWidgetObserver(this)) { |
| DCHECK(shelf_); |
| set_notify_enter_exit_on_child(true); |
| set_ink_drop_base_color(kShelfInkDropBaseColor); |
| set_ink_drop_visible_opacity(kShelfInkDropVisibleOpacity); |
| |
| SetLayoutManager(std::make_unique<views::FillLayout>()); |
| SetBackground(std::unique_ptr<views::Background>(background_)); |
| SetInstallFocusRingOnFocus(true); |
| focus_ring()->SetColor(kFocusBorderColor); |
| SetFocusPainter(nullptr); |
| |
| AddChildView(tray_container_); |
| |
| tray_event_filter_.reset(new TrayEventFilter); |
| |
| SetPaintToLayer(); |
| layer()->SetFillsBoundsOpaquely(false); |
| // Start the tray items not visible, because visibility changes are animated. |
| views::View::SetVisible(false); |
| } |
| |
| TrayBackgroundView::~TrayBackgroundView() { |
| Shell::Get()->system_tray_model()->virtual_keyboard()->RemoveObserver(this); |
| if (GetWidget()) |
| GetWidget()->RemoveObserver(widget_observer_.get()); |
| StopObservingImplicitAnimations(); |
| } |
| |
| void TrayBackgroundView::Initialize() { |
| GetWidget()->AddObserver(widget_observer_.get()); |
| Shell::Get()->system_tray_model()->virtual_keyboard()->AddObserver(this); |
| } |
| |
| // static |
| void TrayBackgroundView::InitializeBubbleAnimations( |
| views::Widget* bubble_widget) { |
| aura::Window* window = bubble_widget->GetNativeWindow(); |
| ::wm::SetWindowVisibilityAnimationType( |
| window, ::wm::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE); |
| ::wm::SetWindowVisibilityAnimationTransition(window, ::wm::ANIMATE_HIDE); |
| ::wm::SetWindowVisibilityAnimationDuration( |
| window, base::TimeDelta::FromMilliseconds(kAnimationDurationForPopupMs)); |
| } |
| |
| void TrayBackgroundView::SetVisible(bool visible) { |
| visible_preferred_ = visible; |
| |
| // If virtual keyboard is visible and TrayBackgroundView is hidden because of |
| // that, ignore SetVisible() call. |visible_preferred_| will be restored |
| // in OnVirtualKeyboardVisibilityChanged() when virtual keyboard is hidden. |
| if (!show_with_virtual_keyboard_ && |
| Shell::Get()->system_tray_model()->virtual_keyboard()->visible()) { |
| return; |
| } |
| |
| if (visible == layer()->GetTargetVisibility()) |
| return; |
| |
| if (visible) { |
| // The alignment of the shelf can change while the TrayBackgroundView is |
| // hidden. Reset the offscreen transform so that the animation to becoming |
| // visible reflects the current layout. |
| HideTransformation(); |
| // SetVisible(false) is defered until the animation for hiding is done. |
| // Otherwise the view is immediately hidden and the animation does not |
| // render. |
| views::View::SetVisible(true); |
| // If SetVisible(true) is called while animating to not visible, then |
| // views::View::SetVisible(true) is a no-op. When the previous animation |
| // ends layer->SetVisible(false) is called. To prevent this |
| // layer->SetVisible(true) immediately interrupts the animation of this |
| // property, and keeps the layer visible. |
| layer()->SetVisible(true); |
| } |
| |
| ui::ScopedLayerAnimationSettings animation(layer()->GetAnimator()); |
| animation.SetTransitionDuration( |
| base::TimeDelta::FromMilliseconds(kAnimationDurationForVisibilityMs)); |
| animation.SetPreemptionStrategy( |
| ui::LayerAnimator::IMMEDIATELY_ANIMATE_TO_NEW_TARGET); |
| |
| if (visible) { |
| animation.SetTweenType(gfx::Tween::EASE_OUT); |
| // Show is delayed so as to allow time for other children of |
| // StatusAreaWidget to begin animating to their new positions. |
| layer()->GetAnimator()->SchedulePauseForProperties( |
| base::TimeDelta::FromMilliseconds(kShowAnimationDelayMs), |
| ui::LayerAnimationElement::OPACITY | |
| ui::LayerAnimationElement::TRANSFORM); |
| layer()->SetOpacity(1.0f); |
| gfx::Transform transform; |
| transform.Translate(0.0f, 0.0f); |
| layer()->SetTransform(transform); |
| } else { |
| // Listen only to the hide animation. As we cannot turn off visibility |
| // until the animation is over. |
| animation.AddObserver(this); |
| animation.SetTweenType(gfx::Tween::EASE_IN); |
| layer()->SetOpacity(0.0f); |
| layer()->SetVisible(false); |
| HideTransformation(); |
| } |
| } |
| |
| const char* TrayBackgroundView::GetClassName() const { |
| return kViewClassName; |
| } |
| |
| void TrayBackgroundView::AboutToRequestFocusFromTabTraversal(bool reverse) { |
| Shelf* shelf = Shelf::ForWindow(GetWidget()->GetNativeWindow()); |
| StatusAreaWidgetDelegate* delegate = |
| shelf->GetStatusAreaWidget()->status_area_widget_delegate(); |
| if (!delegate || !delegate->ShouldFocusOut(reverse)) |
| return; |
| |
| // At this point, we know we should focus out of the status widget. It |
| // remains to be determined whether we should bring focus to the shelf, or |
| // whether we should delegate to system tray focus observers to decide |
| // where the focus goes next. |
| bool should_focus_shelf = true; |
| |
| if (!ShelfWidget::IsUsingViewsShelf()) { |
| // Never bring the focus to the shelf if it's not a views-based shelf as |
| // it is visually not on par with the status widget. |
| return; |
| } |
| |
| // If we are using a views-based shelf: |
| // * If we're in an active session, always bring focus to the shelf whether |
| // we are going in reverse or not. |
| // * Otherwise (login/lock screen, OOBE), bring focus to the shelf only |
| // if we're going in reverse; if we're going forward, let the system tray |
| // focus observers focus the lock/login view. |
| if (shelf->shelf_widget()->login_shelf_view()->visible()) { |
| // Login/lock screen or OOBE. |
| should_focus_shelf = reverse; |
| } |
| |
| if (should_focus_shelf) { |
| shelf->shelf_widget()->set_default_last_focusable_child(reverse); |
| shelf->shelf_widget()->set_activated_from_other_widget(true); |
| Shell::Get()->focus_cycler()->FocusWidget(shelf->shelf_widget()); |
| shelf->shelf_widget()->FocusFirstOrLastFocusableChild(reverse); |
| } else { |
| Shell::Get()->system_tray_notifier()->NotifyFocusOut(reverse); |
| } |
| } |
| |
| void TrayBackgroundView::GetAccessibleNodeData(ui::AXNodeData* node_data) { |
| ActionableView::GetAccessibleNodeData(node_data); |
| node_data->SetName(GetAccessibleNameForTray()); |
| |
| if (LockScreen::HasInstance()) { |
| int next_id = views::AXAuraObjCache::GetInstance()->GetID( |
| LockScreen::Get()->widget()); |
| node_data->AddIntAttribute(ax::mojom::IntAttribute::kNextFocusId, next_id); |
| } |
| |
| Shelf* shelf = Shelf::ForWindow(GetWidget()->GetNativeWindow()); |
| ShelfWidget* shelf_widget = shelf->shelf_widget(); |
| int previous_id = views::AXAuraObjCache::GetInstance()->GetID(shelf_widget); |
| node_data->AddIntAttribute(ax::mojom::IntAttribute::kPreviousFocusId, |
| previous_id); |
| } |
| |
| void TrayBackgroundView::ChildPreferredSizeChanged(views::View* child) { |
| PreferredSizeChanged(); |
| } |
| |
| std::unique_ptr<views::InkDropRipple> TrayBackgroundView::CreateInkDropRipple() |
| const { |
| return std::make_unique<views::FloodFillInkDropRipple>( |
| size(), GetBackgroundInsets(), GetInkDropCenterBasedOnLastEvent(), |
| GetInkDropBaseColor(), ink_drop_visible_opacity()); |
| } |
| |
| std::unique_ptr<views::InkDropHighlight> |
| TrayBackgroundView::CreateInkDropHighlight() const { |
| gfx::Rect bounds = GetBackgroundBounds(); |
| // Currently, we don't handle view resize. To compensate for that, enlarge the |
| // bounds by two tray icons so that the hightlight looks good even if two more |
| // icons are added when it is visible. Note that ink drop mask handles resize |
| // correctly, so the extra highlight would be clipped. |
| // TODO(mohsen): Remove this extra size when resize is handled properly (see |
| // https://crbug.com/669253). |
| const int icon_size = kTrayIconSize + 2 * kTrayImageItemPadding; |
| bounds.set_width(bounds.width() + 2 * icon_size); |
| bounds.set_height(bounds.height() + 2 * icon_size); |
| std::unique_ptr<views::InkDropHighlight> highlight( |
| new views::InkDropHighlight(bounds.size(), 0, |
| gfx::RectF(bounds).CenterPoint(), |
| GetInkDropBaseColor())); |
| highlight->set_visible_opacity(kTrayPopupInkDropHighlightOpacity); |
| return highlight; |
| } |
| |
| void TrayBackgroundView::OnVirtualKeyboardVisibilityChanged() { |
| if (show_with_virtual_keyboard_) { |
| // The view always shows up when virtual keyboard is visible if |
| // |show_with_virtual_keyboard| is true. |
| views::View::SetVisible( |
| Shell::Get()->system_tray_model()->virtual_keyboard()->visible() || |
| visible_preferred_); |
| return; |
| } |
| |
| // If virtual keyboard is hidden and current preferred visibility is true, |
| // set the visibility to true. We call base class' SetVisible because we don't |
| // want |visible_preferred_| to be updated here. |
| views::View::SetVisible( |
| !Shell::Get()->system_tray_model()->virtual_keyboard()->visible() && |
| visible_preferred_); |
| } |
| |
| TrayBubbleView* TrayBackgroundView::GetBubbleView() { |
| return nullptr; |
| } |
| |
| void TrayBackgroundView::CloseBubble() {} |
| |
| void TrayBackgroundView::ShowBubble(bool show_by_click) {} |
| |
| void TrayBackgroundView::UpdateAfterShelfAlignmentChange() { |
| tray_container_->UpdateAfterShelfAlignmentChange(); |
| } |
| |
| void TrayBackgroundView::UpdateAfterRootWindowBoundsChange( |
| const gfx::Rect& old_bounds, |
| const gfx::Rect& new_bounds) { |
| // Do nothing by default. Child class may do something. |
| } |
| |
| void TrayBackgroundView::BubbleResized(const TrayBubbleView* bubble_view) {} |
| |
| void TrayBackgroundView::OnImplicitAnimationsCompleted() { |
| // If there is another animation in the queue, the reverse animation was |
| // triggered before the completion of animating to invisible. Do not turn off |
| // the visibility so that the next animation may render. The value of |
| // layer()->GetTargetVisibility() can be incorrect if the hide animation was |
| // aborted to schedule an animation to become visible. As the new animation |
| // is not yet added to the queue. crbug.com/374236 |
| if (layer()->GetAnimator()->is_animating() || layer()->GetTargetVisibility()) |
| return; |
| views::View::SetVisible(false); |
| } |
| |
| bool TrayBackgroundView::RequiresNotificationWhenAnimatorDestroyed() const { |
| // This is needed so that OnImplicitAnimationsCompleted() is called even upon |
| // destruction of the animator. This can occure when parallel animations |
| // caused by ScreenRotationAnimator end before the animations of |
| // TrayBackgroundView. This allows for a proper update to the visual state of |
| // the view. (crbug.com/476667) |
| return true; |
| } |
| |
| void TrayBackgroundView::HideTransformation() { |
| gfx::Transform transform; |
| if (shelf_->IsHorizontalAlignment()) |
| transform.Translate(width(), 0.0f); |
| else |
| transform.Translate(0.0f, height()); |
| layer()->SetTransform(transform); |
| } |
| |
| TrayBubbleView::AnchorAlignment TrayBackgroundView::GetAnchorAlignment() const { |
| if (shelf_->alignment() == SHELF_ALIGNMENT_LEFT) |
| return TrayBubbleView::ANCHOR_ALIGNMENT_LEFT; |
| if (shelf_->alignment() == SHELF_ALIGNMENT_RIGHT) |
| return TrayBubbleView::ANCHOR_ALIGNMENT_RIGHT; |
| return TrayBubbleView::ANCHOR_ALIGNMENT_BOTTOM; |
| } |
| |
| void TrayBackgroundView::SetIsActive(bool is_active) { |
| if (is_active_ == is_active) |
| return; |
| is_active_ = is_active; |
| AnimateInkDrop(is_active_ ? views::InkDropState::ACTIVATED |
| : views::InkDropState::DEACTIVATED, |
| nullptr); |
| } |
| |
| void TrayBackgroundView::UpdateBubbleViewArrow(TrayBubbleView* bubble_view) { |
| // Nothing to do here. |
| } |
| |
| views::View* TrayBackgroundView::GetBubbleAnchor() const { |
| return tray_container_; |
| } |
| |
| gfx::Insets TrayBackgroundView::GetBubbleAnchorInsets() const { |
| gfx::Insets anchor_insets = GetBubbleAnchor()->GetInsets(); |
| gfx::Insets tray_bg_insets = GetInsets(); |
| if (GetAnchorAlignment() == TrayBubbleView::ANCHOR_ALIGNMENT_BOTTOM) { |
| return gfx::Insets(-tray_bg_insets.top(), anchor_insets.left(), |
| -tray_bg_insets.bottom(), anchor_insets.right()); |
| } else { |
| return gfx::Insets(anchor_insets.top(), -tray_bg_insets.left(), |
| anchor_insets.bottom(), -tray_bg_insets.right()); |
| } |
| } |
| |
| aura::Window* TrayBackgroundView::GetBubbleWindowContainer() { |
| return Shell::GetContainer( |
| tray_container()->GetWidget()->GetNativeWindow()->GetRootWindow(), |
| kShellWindowId_SettingBubbleContainer); |
| } |
| |
| gfx::Rect TrayBackgroundView::GetBackgroundBounds() const { |
| gfx::Rect bounds = GetLocalBounds(); |
| bounds.Inset(GetBackgroundInsets()); |
| return bounds; |
| } |
| |
| void TrayBackgroundView::OnBoundsChanged(const gfx::Rect& previous_bounds) { |
| const int border_radius = ShelfConstants::control_border_radius(); |
| auto path = std::make_unique<SkPath>(); |
| path->addRoundRect(gfx::RectToSkRect(GetBackgroundBounds()), border_radius, |
| border_radius); |
| SetProperty(views::kHighlightPathKey, path.release()); |
| // Bypass ActionableView::OnBoundsChanged which sets its own highlight path. |
| Button::OnBoundsChanged(previous_bounds); |
| } |
| |
| bool TrayBackgroundView::ShouldEnterPushedState(const ui::Event& event) { |
| if (is_active_) |
| return false; |
| |
| return ActionableView::ShouldEnterPushedState(event); |
| } |
| |
| bool TrayBackgroundView::PerformAction(const ui::Event& event) { |
| return false; |
| } |
| |
| void TrayBackgroundView::HandlePerformActionResult(bool action_performed, |
| const ui::Event& event) { |
| // When an action is performed, ink drop ripple is handled in SetIsActive(). |
| if (action_performed) |
| return; |
| ActionableView::HandlePerformActionResult(action_performed, event); |
| } |
| |
| views::PaintInfo::ScaleType TrayBackgroundView::GetPaintScaleType() const { |
| return views::PaintInfo::ScaleType::kUniformScaling; |
| } |
| |
| gfx::Insets TrayBackgroundView::GetBackgroundInsets() const { |
| gfx::Insets insets = |
| GetMirroredBackgroundInsets(shelf_->IsHorizontalAlignment()); |
| |
| // |insets| are relative to contents bounds. Change them to be relative to |
| // local bounds. |
| gfx::Insets local_contents_insets = |
| GetLocalBounds().InsetsFrom(GetContentsBounds()); |
| MirrorInsetsIfNecessary(&local_contents_insets); |
| insets += local_contents_insets; |
| |
| return insets; |
| } |
| |
| |
| } // namespace ash |