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

ash/common/system/tray/tri_view.cc

-// Copyright 2016 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/tri_view.h"
-
-#include "ash/common/system/tray/size_range_layout.h"
-#include "base/logging.h"
-#include "ui/views/border.h"
-#include "ui/views/layout/box_layout.h"
-#include "ui/views/layout/fill_layout.h"
-#include "ui/views/layout/layout_manager.h"
-
-namespace ash {
-namespace {
-
-// Converts TriView::Orientation values to views::BoxLayout::Orientation values.
-views::BoxLayout::Orientation GetOrientation(TriView::Orientation orientation) {
-  switch (orientation) {
-    case TriView::Orientation::HORIZONTAL:
-      return views::BoxLayout::kHorizontal;
-    case TriView::Orientation::VERTICAL:
-      return views::BoxLayout::kVertical;
-  }
-  // Required for some compilers.
-  NOTREACHED();
-  return views::BoxLayout::kHorizontal;
-}
-
-// A View that will perform a layout if a child view's preferred size changes.
-class RelayoutView : public views::View {
- public:
-  RelayoutView() {}
-
-  // views::View:
-  void ChildPreferredSizeChanged(View* child) override { Layout(); }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(RelayoutView);
-};
-
-}  // namespace
-
-TriView::TriView() : TriView(0) {}
-
-TriView::TriView(int padding_between_containers)
-    : TriView(Orientation::HORIZONTAL, padding_between_containers) {}
-
-TriView::TriView(Orientation orientation) : TriView(orientation, 0) {}
-
-TriView::TriView(Orientation orientation, int padding_between_containers)
-    : box_layout_(new views::BoxLayout(GetOrientation(orientation),
-                                       0,
-                                       0,
-                                       padding_between_containers)),
-      start_container_layout_manager_(new SizeRangeLayout),
-      center_container_layout_manager_(new SizeRangeLayout),
-      end_container_layout_manager_(new SizeRangeLayout) {
-  AddChildView(new RelayoutView);
-  AddChildView(new RelayoutView);
-  AddChildView(new RelayoutView);
-
-  GetContainer(Container::START)
-      ->SetLayoutManager(GetLayoutManager(Container::START));
-  GetContainer(Container::CENTER)
-      ->SetLayoutManager(GetLayoutManager(Container::CENTER));
-  GetContainer(Container::END)
-      ->SetLayoutManager(GetLayoutManager(Container::END));
-
-  box_layout_->set_cross_axis_alignment(
-      views::BoxLayout::CROSS_AXIS_ALIGNMENT_START);
-  SetLayoutManager(box_layout_);
-
-  enable_hierarchy_changed_dcheck_ = true;
-}
-
-TriView::~TriView() {
-  enable_hierarchy_changed_dcheck_ = false;
-}
-
-void TriView::SetMinHeight(int height) {
-  gfx::Size min_size;
-
-  min_size = GetMinSize(TriView::Container::START);
-  min_size.set_height(height);
-  SetMinSize(TriView::Container::START, min_size);
-
-  min_size = GetMinSize(TriView::Container::CENTER);
-  min_size.set_height(height);
-  SetMinSize(TriView::Container::CENTER, min_size);
-
-  min_size = GetMinSize(TriView::Container::END);
-  min_size.set_height(height);
-  SetMinSize(TriView::Container::END, min_size);
-}
-
-void TriView::SetMinSize(Container container, const gfx::Size& size) {
-  GetLayoutManager(container)->SetMinSize(size);
-}
-
-gfx::Size TriView::GetMinSize(Container container) {
-  return GetLayoutManager(container)->min_size();
-}
-
-void TriView::SetMaxSize(Container container, const gfx::Size& size) {
-  GetLayoutManager(container)->SetMaxSize(size);
-}
-
-void TriView::AddView(Container container, views::View* view) {
-  GetContainer(container)->AddChildView(view);
-}
-
-void TriView::RemoveAllChildren(Container container, bool delete_children) {
-  GetContainer(container)->RemoveAllChildViews(delete_children);
-}
-
-void TriView::SetInsets(const gfx::Insets& insets) {
-  box_layout_->set_inside_border_insets(insets);
-}
-
-void TriView::SetContainerBorder(Container container,
-                                 std::unique_ptr<views::Border> border) {
-  GetContainer(container)->SetBorder(std::move(border));
-}
-
-void TriView::SetContainerVisible(Container container, bool visible) {
-  GetContainer(container)->SetVisible(visible);
-}
-
-void TriView::SetFlexForContainer(Container container, int flex) {
-  box_layout_->SetFlexForView(GetContainer(container), flex);
-}
-
-void TriView::SetContainerLayout(
-    Container container,
-    std::unique_ptr<views::LayoutManager> layout_manager) {
-  GetLayoutManager(container)->SetLayoutManager(std::move(layout_manager));
-}
-
-void TriView::ViewHierarchyChanged(
-    const views::View::ViewHierarchyChangedDetails& details) {
-  views::View::ViewHierarchyChanged(details);
-  if (!enable_hierarchy_changed_dcheck_)
-    return;
-
-  if (details.parent == this) {
-    if (details.is_add) {
-      DCHECK(false)
-          << "Child views should not be added directly. They should be added "
-             "using TriView::AddView().";
-    } else {
-      DCHECK(false) << "Container views should not be removed.";
-    }
-  }
-}
-
-const char* TriView::GetClassName() const {
-  return "TriView";
-}
-
-views::View* TriView::GetContainer(Container container) {
-  return child_at(static_cast<int>(container));
-}
-
-SizeRangeLayout* TriView::GetLayoutManager(Container container) {
-  switch (container) {
-    case Container::START:
-      return start_container_layout_manager_;
-    case Container::CENTER:
-      return center_container_layout_manager_;
-    case Container::END:
-      return end_container_layout_manager_;
-  }
-  // Required for some compilers.
-  NOTREACHED();
-  return nullptr;
-}
-
-}  // namespace ash