chromeos: Move files in //ash/common to //ash, part 1

ash/common/system/tray/tray_item_view.cc

-// 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/common/system/tray/tray_item_view.h"
-
-#include "ash/common/material_design/material_design_controller.h"
-#include "ash/common/shelf/wm_shelf_util.h"
-#include "ash/common/system/tray/system_tray.h"
-#include "ash/common/system/tray/system_tray_item.h"
-#include "ash/common/system/tray/tray_constants.h"
-#include "ash/public/cpp/shelf_types.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/fill_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 {
-
-TrayItemView::TrayItemView(SystemTrayItem* owner)
-    : owner_(owner), label_(NULL), image_view_(NULL) {
-  SetPaintToLayer();
-  layer()->SetFillsBoundsOpaquely(false);
-  SetLayoutManager(new views::FillLayout());
-}
-
-TrayItemView::~TrayItemView() {}
-
-// static
-void TrayItemView::DisableAnimationsForTest() {
-  animations_enabled = false;
-}
-
-void TrayItemView::CreateLabel() {
-  label_ = new views::Label;
-  AddChildView(label_);
-  PreferredSizeChanged();
-}
-
-void TrayItemView::CreateImageView() {
-  image_view_ = new views::ImageView;
-  AddChildView(image_view_);
-  PreferredSizeChanged();
-}
-
-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);
-  }
-}
-
-// static
-bool TrayItemView::UseMd() {
-  return MaterialDesignController::UseMaterialDesignSystemIcons();
-}
-
-int TrayItemView::GetAnimationDurationMS() {
-  return kTrayItemAnimationDurationMS;
-}
-
-gfx::Size TrayItemView::GetPreferredSize() const {
-  DCHECK_EQ(1, child_count());
-  gfx::Size size;
-  if (UseMd()) {
-    gfx::Size inner_size = views::View::GetPreferredSize();
-    if (image_view_)
-      inner_size = gfx::Size(kTrayIconSize, kTrayIconSize);
-    gfx::Rect rect(inner_size);
-    rect.Inset(gfx::Insets(-kTrayImageItemPadding));
-    size = rect.size();
-  } else {
-    size = views::View::GetPreferredSize();
-    if (IsHorizontalAlignment(owner()->system_tray()->shelf_alignment()))
-      size.set_height(kTrayIconHeight);
-    else
-      size.set_width(kTrayIconWidth);
-  }
-  if (!animation_.get() || !animation_->is_animating())
-    return size;
-  if (IsHorizontalAlignment(owner()->system_tray()->shelf_alignment())) {
-    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 (IsHorizontalAlignment(owner()->system_tray()->shelf_alignment())) {
-    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