mash: Migrate wallpaper controllers to ash/common.

ash/wallpaper/wallpaper_widget_controller.cc

Index: ash/wallpaper/wallpaper_widget_controller.cc
diff --git a/ash/wallpaper/wallpaper_widget_controller.cc b/ash/wallpaper/wallpaper_widget_controller.cc
deleted file mode 100644
index 4e9b4c6914446f127152d6702f34775828ac441f..0000000000000000000000000000000000000000
--- a/ash/wallpaper/wallpaper_widget_controller.cc
+++ /dev/null
@@ -1,155 +0,0 @@
-// 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/wallpaper/wallpaper_widget_controller.h"
-
-#include "ash/ash_export.h"
-#include "ash/common/wallpaper/wallpaper_delegate.h"
-#include "ash/common/wm_lookup.h"
-#include "ash/common/wm_shell.h"
-#include "ash/common/wm_window.h"
-#include "ash/root_window_controller.h"
-#include "ui/aura/window.h"
-#include "ui/compositor/layer_animation_observer.h"
-#include "ui/compositor/scoped_layer_animation_settings.h"
-#include "ui/views/widget/widget.h"
-
-namespace ash {
-namespace {
-
-class ShowWallpaperAnimationObserver : public ui::ImplicitAnimationObserver,
-                                       public views::WidgetObserver {
- public:
-  ShowWallpaperAnimationObserver(RootWindowController* root_window_controller,
-                                 views::Widget* wallpaper_widget,
-                                 bool is_initial_animation)
-      : root_window_controller_(root_window_controller),
-        wallpaper_widget_(wallpaper_widget),
-        is_initial_animation_(is_initial_animation) {
-    DCHECK(wallpaper_widget_);
-    wallpaper_widget_->AddObserver(this);
-  }
-
-  ~ShowWallpaperAnimationObserver() override {
-    StopObservingImplicitAnimations();
-    if (wallpaper_widget_)
-      wallpaper_widget_->RemoveObserver(this);
-  }
-
- private:
-  // Overridden from ui::ImplicitAnimationObserver:
-  void OnImplicitAnimationsScheduled() override {
-    if (is_initial_animation_) {
-      root_window_controller_->HandleInitialWallpaperAnimationStarted();
-    }
-  }
-
-  void OnImplicitAnimationsCompleted() override {
-    root_window_controller_->OnWallpaperAnimationFinished(wallpaper_widget_);
-    delete this;
-  }
-
-  // Overridden from views::WidgetObserver.
-  void OnWidgetDestroying(views::Widget* widget) override { delete this; }
-
-  RootWindowController* root_window_controller_;
-  views::Widget* wallpaper_widget_;
-
-  // Is this object observing the initial brightness/grayscale animation?
-  const bool is_initial_animation_;
-
-  DISALLOW_COPY_AND_ASSIGN(ShowWallpaperAnimationObserver);
-};
-
-}  // namespace
-
-WallpaperWidgetController::WallpaperWidgetController(views::Widget* widget)
-    : widget_(widget),
-      widget_parent_(WmLookup::Get()->GetWindowForWidget(widget)->GetParent()) {
-  DCHECK(widget_);
-  widget_->AddObserver(this);
-  widget_parent_->AddObserver(this);
-}
-
-WallpaperWidgetController::~WallpaperWidgetController() {
-  if (widget_) {
-    views::Widget* widget = widget_;
-    RemoveObservers();
-    widget->CloseNow();
-  }
-}
-
-void WallpaperWidgetController::OnWidgetDestroying(views::Widget* widget) {
-  RemoveObservers();
-}
-
-void WallpaperWidgetController::SetBounds(const gfx::Rect& bounds) {
-  if (widget_)
-    widget_->SetBounds(bounds);
-}
-
-bool WallpaperWidgetController::Reparent(aura::Window* root_window,
-                                         int container) {
-  if (widget_) {
-    widget_parent_->RemoveObserver(this);
-    views::Widget::ReparentNativeView(widget_->GetNativeView(),
-                                      root_window->GetChildById(container));
-    widget_parent_ = WmLookup::Get()->GetWindowForWidget(widget_)->GetParent();
-    widget_parent_->AddObserver(this);
-    return true;
-  }
-  // Nothing to reparent.
-  return false;
-}
-
-void WallpaperWidgetController::RemoveObservers() {
-  widget_parent_->RemoveObserver(this);
-  widget_->RemoveObserver(this);
-  widget_ = nullptr;
-}
-
-void WallpaperWidgetController::OnWindowBoundsChanged(
-    WmWindow* window,
-    const gfx::Rect& old_bounds,
-    const gfx::Rect& new_bounds) {
-  SetBounds(new_bounds);
-}
-
-void WallpaperWidgetController::StartAnimating(
-    RootWindowController* root_window_controller) {
-  if (widget_) {
-    ui::ScopedLayerAnimationSettings settings(
-        widget_->GetNativeView()->layer()->GetAnimator());
-    settings.AddObserver(new ShowWallpaperAnimationObserver(
-        root_window_controller, widget_,
-        WmShell::Get()->wallpaper_delegate()->ShouldShowInitialAnimation()));
-    // When |widget_| shows, AnimateShowWindowCommon() is called to do the
-    // animation. Sets transition duration to 0 to avoid animating to the
-    // show animation's initial values.
-    settings.SetTransitionDuration(base::TimeDelta());
-    widget_->Show();
-  }
-}
-
-AnimatingWallpaperWidgetController::AnimatingWallpaperWidgetController(
-    WallpaperWidgetController* controller)
-    : controller_(controller) {}
-
-AnimatingWallpaperWidgetController::~AnimatingWallpaperWidgetController() {}
-
-void AnimatingWallpaperWidgetController::StopAnimating() {
-  if (controller_) {
-    ui::Layer* layer = controller_->widget()->GetNativeView()->layer();
-    layer->GetAnimator()->StopAnimating();
-  }
-}
-
-WallpaperWidgetController* AnimatingWallpaperWidgetController::GetController(
-    bool pass_ownership) {
-  if (pass_ownership)
-    return controller_.release();
-  return controller_.get();
-}
-
-}  // namespace ash