blob: 686cbad592c5ed9a914b8bb8c6d9b131a5fb891c [file] [log] [blame]
// 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_item_view.h"
#include "ash/public/cpp/shelf_types.h"
#include "ash/shelf/shelf.h"
#include "ash/system/tray/tray_constants.h"
#include "ui/accessibility/ax_node_data.h"
#include "ui/compositor/layer.h"
#include "ui/compositor/scoped_animation_duration_scale_mode.h"
#include "ui/gfx/animation/slide_animation.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/widget/widget.h"
namespace ash {
namespace {
const int kTrayItemAnimationDurationMS = 200;
} // namespace
void IconizedLabel::GetAccessibleNodeData(ui::AXNodeData* node_data) {
if (custom_accessible_name_.empty())
return Label::GetAccessibleNodeData(node_data);
node_data->role = ax::mojom::Role::kStaticText;
node_data->SetName(custom_accessible_name_);
}
TrayItemView::TrayItemView(Shelf* shelf)
: shelf_(shelf), label_(NULL), image_view_(NULL) {
DCHECK(shelf_);
SetPaintToLayer();
layer()->SetFillsBoundsOpaquely(false);
SetLayoutManager(std::make_unique<views::FillLayout>());
}
TrayItemView::~TrayItemView() = default;
void TrayItemView::CreateLabel() {
label_ = new IconizedLabel;
AddChildView(label_);
PreferredSizeChanged();
}
void TrayItemView::CreateImageView() {
image_view_ = new views::ImageView;
AddChildView(image_view_);
PreferredSizeChanged();
}
void TrayItemView::SetVisible(bool set_visible) {
if (!GetWidget() ||
ui::ScopedAnimationDurationScaleMode::duration_scale_mode() ==
ui::ScopedAnimationDurationScaleMode::ZERO_DURATION) {
views::View::SetVisible(set_visible);
return;
}
if (!animation_) {
animation_.reset(new gfx::SlideAnimation(this));
animation_->SetSlideDuration(GetAnimationDurationMS());
animation_->SetTweenType(gfx::Tween::LINEAR);
animation_->Reset(visible() ? 1.0 : 0.0);
}
if (!set_visible) {
animation_->Hide();
AnimationProgressed(animation_.get());
} else {
animation_->Show();
AnimationProgressed(animation_.get());
views::View::SetVisible(true);
}
}
int TrayItemView::GetAnimationDurationMS() {
return kTrayItemAnimationDurationMS;
}
bool TrayItemView::IsHorizontalAlignment() const {
return shelf_->IsHorizontalAlignment();
}
gfx::Size TrayItemView::CalculatePreferredSize() const {
DCHECK_EQ(1u, children().size());
gfx::Size size = views::View::CalculatePreferredSize();
if (image_view_) {
size = gfx::Size(kUnifiedTrayIconSize, kUnifiedTrayIconSize);
}
if (!animation_.get() || !animation_->is_animating())
return size;
if (shelf_->IsHorizontalAlignment()) {
size.set_width(std::max(
1, static_cast<int>(size.width() * animation_->GetCurrentValue())));
} else {
size.set_height(std::max(
1, static_cast<int>(size.height() * animation_->GetCurrentValue())));
}
return size;
}
int TrayItemView::GetHeightForWidth(int width) const {
return GetPreferredSize().height();
}
void TrayItemView::ChildPreferredSizeChanged(views::View* child) {
PreferredSizeChanged();
}
void TrayItemView::AnimationProgressed(const gfx::Animation* animation) {
gfx::Transform transform;
if (shelf_->IsHorizontalAlignment()) {
transform.Translate(0, animation->CurrentValueBetween(
static_cast<double>(height()) / 2, 0.));
} else {
transform.Translate(
animation->CurrentValueBetween(static_cast<double>(width() / 2), 0.),
0);
}
transform.Scale(animation->GetCurrentValue(), animation->GetCurrentValue());
layer()->SetTransform(transform);
PreferredSizeChanged();
}
void TrayItemView::AnimationEnded(const gfx::Animation* animation) {
if (animation->GetCurrentValue() < 0.1)
views::View::SetVisible(false);
}
void TrayItemView::AnimationCanceled(const gfx::Animation* animation) {
AnimationEnded(animation);
}
} // namespace ash