Delete athena/

athena/system/system_ui_impl.cc

-// Copyright 2014 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 "athena/system/public/system_ui.h"
-
-#include "athena/screen/public/screen_manager.h"
-#include "athena/system/background_controller.h"
-#include "athena/system/orientation_controller.h"
-#include "athena/system/shutdown_dialog.h"
-#include "athena/system/status_icon_container_view.h"
-#include "athena/system/time_view.h"
-#include "athena/util/athena_constants.h"
-#include "athena/util/container_priorities.h"
-#include "athena/util/fill_layout_manager.h"
-#include "athena/wm/public/window_manager.h"
-#include "athena/wm/public/window_manager_observer.h"
-#include "base/logging.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "ui/aura/window.h"
-#include "ui/views/view.h"
-#include "ui/views/widget/widget.h"
-#include "ui/wm/core/visibility_controller.h"
-#include "ui/wm/core/window_animations.h"
-
-namespace athena {
-namespace {
-
-SystemUI* instance = nullptr;
-
-// View which positions the TimeView on the left and the StatusIconView on the
-// right.
-class SystemInfoView : public views::View {
- public:
-  SystemInfoView(SystemUI::ColorScheme color_scheme)
-      : time_view_(new TimeView(color_scheme)),
-        status_icon_view_(new StatusIconContainerView(color_scheme)) {
-    AddChildView(time_view_);
-    AddChildView(status_icon_view_);
-  }
-
-  ~SystemInfoView() override {}
-
-  // views::View:
-  virtual gfx::Size GetPreferredSize() const override {
-    // The view should be as wide as its parent view.
-    return gfx::Size(0,
-                     std::max(time_view_->GetPreferredSize().height(),
-                              status_icon_view_->GetPreferredSize().height()));
-  }
-
-  virtual void Layout() override {
-    time_view_->SetBoundsRect(gfx::Rect(time_view_->GetPreferredSize()));
-    gfx::Size status_icon_preferred_size =
-        status_icon_view_->GetPreferredSize();
-    status_icon_view_->SetBoundsRect(
-        gfx::Rect(width() - status_icon_preferred_size.width(),
-                  0,
-                  status_icon_preferred_size.width(),
-                  status_icon_preferred_size.height()));
-  }
-
-  virtual void ChildPreferredSizeChanged(views::View* child) override {
-    // Relayout to take into account changes in |status_icon_view_|'s width.
-    // Assume that |time_view_|'s and |status_icon_view_|'s preferred height
-    // does not change.
-    Layout();
-  }
-
- private:
-  views::View* time_view_;
-  views::View* status_icon_view_;
-
-  DISALLOW_COPY_AND_ASSIGN(SystemInfoView);
-};
-
-class SystemUIImpl : public SystemUI, public WindowManagerObserver {
- public:
-  SystemUIImpl(scoped_refptr<base::TaskRunner> blocking_task_runner)
-      : orientation_controller_(new OrientationController()),
-        background_container_(nullptr),
-        system_info_widget_(nullptr) {
-    orientation_controller_->InitWith(blocking_task_runner);
-    WindowManager::Get()->AddObserver(this);
-  }
-
-  ~SystemUIImpl() override {
-    WindowManager::Get()->RemoveObserver(this);
-
-    // Stops file watching now if exists. Waiting until message loop shutdon
-    // leads to FilePathWatcher crash.
-    orientation_controller_->Shutdown();
-  }
-
-  void Init() {
-    ScreenManager* screen_manager = ScreenManager::Get();
-    background_container_ = screen_manager->CreateContainer(
-        ScreenManager::ContainerParams("AthenaBackground", CP_BACKGROUND));
-    background_container_->SetLayoutManager(
-        new FillLayoutManager(background_container_));
-
-    shutdown_dialog_.reset(new ShutdownDialog());
-    background_controller_.reset(
-        new BackgroundController(background_container_));
-  }
-
- private:
-  // SystemUI:
-  void SetBackgroundImage(const gfx::ImageSkia& image) override {
-    background_controller_->SetImage(image);
-  }
-
-  // WindowManagerObserver:
-  void OnOverviewModeEnter() override {
-    DCHECK(!system_info_widget_);
-
-    ScreenManager* screen_manager = ScreenManager::Get();
-    aura::Window* container = screen_manager->CreateContainer(
-        ScreenManager::ContainerParams("SystemInfo", CP_SYSTEM_INFO));
-    wm::SetChildWindowVisibilityChangesAnimated(container);
-
-    system_info_widget_ = new views::Widget();
-    views::Widget::InitParams widget_params(
-        views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
-    widget_params.parent = container;
-    widget_params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
-    widget_params.bounds =
-        gfx::Rect(0, 0, container->bounds().width(), kSystemUIHeight);
-    system_info_widget_->Init(widget_params);
-    system_info_widget_->SetContentsView(
-        new SystemInfoView(SystemUI::COLOR_SCHEME_LIGHT));
-
-    wm::SetWindowVisibilityAnimationType(
-        system_info_widget_->GetNativeWindow(),
-        wm::WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL);
-    wm::SetWindowVisibilityAnimationVerticalPosition(
-        system_info_widget_->GetNativeWindow(), -kSystemUIHeight);
-
-    system_info_widget_->Show();
-  }
-
-  void OnOverviewModeExit() override {
-    // Deleting the container deletes its child windows which deletes
-    // |system_info_widget_|.
-    delete system_info_widget_->GetNativeWindow()->parent();
-    system_info_widget_ = nullptr;
-  }
-
-  void OnSplitViewModeEnter() override {}
-
-  void OnSplitViewModeExit() override {}
-
-  scoped_ptr<OrientationController> orientation_controller_;
-  scoped_ptr<ShutdownDialog> shutdown_dialog_;
-  scoped_ptr<BackgroundController> background_controller_;
-
-  // The parent container for the background.
-  aura::Window* background_container_;
-
-  views::Widget* system_info_widget_;
-
-  DISALLOW_COPY_AND_ASSIGN(SystemUIImpl);
-};
-
-}  // namespace
-
-// static
-SystemUI* SystemUI::Create(
-    scoped_refptr<base::TaskRunner> blocking_task_runner) {
-  SystemUIImpl* system_ui = new SystemUIImpl(blocking_task_runner);
-  instance = system_ui;
-  system_ui->Init();
-  return instance;
-}
-
-// static
-SystemUI* SystemUI::Get() {
-  DCHECK(instance);
-  return instance;
-}
-
-// static
-void SystemUI::Shutdown() {
-  CHECK(instance);
-  delete instance;
-  instance = nullptr;
-}
-
-}  // namespace athena