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// 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/shelf/shelf_types.h"
#include "ash/system/tray/system_tray.h"
#include "ash/system/tray/system_tray_item.h"
#include "ui/compositor/layer.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/box_layout.h"
#include "ui/views/widget/widget.h"
namespace {
const int kTrayIconHeight = 29;
const int kTrayIconWidth = 29;
const int kTrayItemAnimationDurationMS = 200;
// Animations can be disabled for testing.
bool animations_enabled = true;
}
namespace ash {
namespace internal {
TrayItemView::TrayItemView(SystemTrayItem* owner)
: owner_(owner),
label_(NULL),
image_view_(NULL) {
SetPaintToLayer(true);
SetFillsBoundsOpaquely(false);
SetLayoutManager(
new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, 0));
}
TrayItemView::~TrayItemView() {}
// static
void TrayItemView::DisableAnimationsForTest() {
animations_enabled = false;
}
void TrayItemView::CreateLabel() {
label_ = new views::Label;
AddChildView(label_);
}
void TrayItemView::CreateImageView() {
image_view_ = new views::ImageView;
AddChildView(image_view_);
}
void TrayItemView::SetVisible(bool set_visible) {
if (!GetWidget() || !animations_enabled) {
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);
}
}
gfx::Size TrayItemView::DesiredSize() {
return views::View::GetPreferredSize();
}
int TrayItemView::GetAnimationDurationMS() {
return kTrayItemAnimationDurationMS;
}
gfx::Size TrayItemView::GetPreferredSize() {
gfx::Size size = DesiredSize();
if (owner()->system_tray()->shelf_alignment() == SHELF_ALIGNMENT_BOTTOM ||
owner()->system_tray()->shelf_alignment() == SHELF_ALIGNMENT_TOP)
size.set_height(kTrayIconHeight);
else
size.set_width(kTrayIconWidth);
if (!animation_.get() || !animation_->is_animating())
return size;
if (owner()->system_tray()->shelf_alignment() == SHELF_ALIGNMENT_BOTTOM ||
owner()->system_tray()->shelf_alignment() == SHELF_ALIGNMENT_TOP) {
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) {
return GetPreferredSize().height();
}
void TrayItemView::ChildPreferredSizeChanged(views::View* child) {
PreferredSizeChanged();
}
void TrayItemView::AnimationProgressed(const gfx::Animation* animation) {
gfx::Transform transform;
if (owner()->system_tray()->shelf_alignment() == SHELF_ALIGNMENT_BOTTOM ||
owner()->system_tray()->shelf_alignment() == SHELF_ALIGNMENT_TOP) {
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 internal
} // namespace ash
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