Move app list from ash to ui.

ash/app_list/app_list.cc

Index: ash/app_list/app_list.cc
===================================================================
--- ash/app_list/app_list.cc	(revision 135736)
+++ ash/app_list/app_list.cc	(working copy)
@@ -1,283 +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/app_list/app_list.h"
-
-#include "ash/app_list/app_list_view.h"
-#include "ash/app_list/icon_cache.h"
-#include "ash/ash_switches.h"
-#include "ash/shell.h"
-#include "ash/shell_delegate.h"
-#include "ash/shell_window_ids.h"
-#include "ash/wm/shelf_layout_manager.h"
-#include "ash/wm/window_util.h"
-#include "base/command_line.h"
-#include "ui/aura/event.h"
-#include "ui/aura/root_window.h"
-#include "ui/aura/window.h"
-#include "ui/compositor/layer.h"
-#include "ui/compositor/scoped_layer_animation_settings.h"
-#include "ui/gfx/transform_util.h"
-
-namespace ash {
-namespace internal {
-
-namespace {
-
-const float kContainerAnimationScaleFactor = 1.05f;
-
-// Duration for both default container and app list animation in milliseconds.
-const int kAnimationDurationMs = 130;
-
-// Delayed time of 2nd animation in milliseconds.
-const int kSecondAnimationStartDelay = kAnimationDurationMs - 20;
-
-ui::Layer* GetLayer(views::Widget* widget) {
-  return widget->GetNativeView()->layer();
-}
-
-}  // namespace
-
-////////////////////////////////////////////////////////////////////////////////
-// AppList, public:
-
-AppList::AppList() : is_visible_(false), view_(NULL) {
-  IconCache::CreateInstance();
-}
-
-AppList::~AppList() {
-  ResetView();
-  IconCache::DeleteInstance();
-}
-
-// static
-bool AppList::UseAppListV2() {
-  return CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kEnableAppListV2);
-}
-
-void AppList::SetVisible(bool visible) {
-  if (visible == is_visible_)
-    return;
-
-  is_visible_ = visible;
-
-  // App list needs to know the new shelf layout in order to calculate its
-  // UI layout when AppListView visibility changes.
-  Shell::GetInstance()->shelf()->UpdateAutoHideState();
-
-  if (view_) {
-    ScheduleAnimation();
-  } else if (is_visible_) {
-    // AppListModel and AppListViewDelegate are owned by AppListView. They
-    // will be released with AppListView on close.
-    SetView(new AppListView(
-        Shell::GetInstance()->delegate()->CreateAppListViewDelegate()));
-  }
-}
-
-bool AppList::IsVisible() {
-  return view_ && view_->GetWidget()->IsVisible();
-}
-
-aura::Window* AppList::GetWindow() {
-  return is_visible_ && view_ ? view_->GetWidget()->GetNativeWindow() : NULL;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// AppList, private:
-
-void AppList::SetView(AppListView* view) {
-  DCHECK(view_ == NULL);
-
-  if (is_visible_) {
-    IconCache::GetInstance()->MarkAllEntryUnused();
-
-    view_ = view;
-    views::Widget* widget = view_->GetWidget();
-    widget->AddObserver(this);
-    Shell::GetInstance()->AddRootWindowEventFilter(this);
-    widget->GetNativeView()->GetRootWindow()->AddRootWindowObserver(this);
-
-    widget->SetOpacity(0);
-    ScheduleAnimation();
-
-    view_->GetWidget()->Show();
-  } else {
-    view->GetWidget()->Close();
-  }
-}
-
-void AppList::ResetView() {
-  if (!view_)
-    return;
-
-  views::Widget* widget = view_->GetWidget();
-  widget->RemoveObserver(this);
-  GetLayer(widget)->GetAnimator()->RemoveObserver(this);
-  Shell::GetInstance()->RemoveRootWindowEventFilter(this);
-  widget->GetNativeView()->GetRootWindow()->RemoveRootWindowObserver(this);
-  view_ = NULL;
-
-  IconCache::GetInstance()->PurgeAllUnused();
-}
-
-void AppList::ScheduleAnimation() {
-  second_animation_timer_.Stop();
-
-  // Stop observing previous animation.
-  StopObservingImplicitAnimations();
-
-  ScheduleDimmingAnimation();
-
-  // No browser window fading and app list secondary animation for v2.
-  if (UseAppListV2())
-    return;
-
-  if (is_visible_) {
-    ScheduleBrowserWindowsAnimation();
-    second_animation_timer_.Start(
-        FROM_HERE,
-        base::TimeDelta::FromMilliseconds(kSecondAnimationStartDelay),
-        this,
-        &AppList::ScheduleAppListAnimation);
-  } else {
-    ScheduleAppListAnimation();
-    second_animation_timer_.Start(
-        FROM_HERE,
-        base::TimeDelta::FromMilliseconds(kSecondAnimationStartDelay),
-        this,
-        &AppList::ScheduleBrowserWindowsAnimation);
-  }
-
-}
-
-void AppList::ScheduleBrowserWindowsAnimationForContainer(
-    aura::Window* container) {
-  DCHECK(container);
-  ui::Layer* layer = container->layer();
-  layer->GetAnimator()->StopAnimating();
-
-  ui::ScopedLayerAnimationSettings animation(layer->GetAnimator());
-  animation.SetTransitionDuration(
-      base::TimeDelta::FromMilliseconds(kAnimationDurationMs));
-  animation.SetTweenType(
-      is_visible_ ? ui::Tween::EASE_IN : ui::Tween::EASE_OUT);
-
-  layer->SetOpacity(is_visible_ ? 0.0 : 1.0);
-  layer->SetTransform(is_visible_ ?
-      ui::GetScaleTransform(
-          gfx::Point(layer->bounds().width() / 2,
-                     layer->bounds().height() / 2),
-          kContainerAnimationScaleFactor) :
-      ui::Transform());
-}
-
-void AppList::ScheduleBrowserWindowsAnimation() {
-  // Note: containers could be NULL during Shell shutdown.
-  aura::Window* default_container = Shell::GetInstance()->GetContainer(
-      internal::kShellWindowId_DefaultContainer);
-  if (default_container)
-    ScheduleBrowserWindowsAnimationForContainer(default_container);
-  aura::Window* always_on_top_container = Shell::GetInstance()->GetContainer(
-      internal::kShellWindowId_AlwaysOnTopContainer);
-  if (always_on_top_container)
-    ScheduleBrowserWindowsAnimationForContainer(always_on_top_container);
-}
-
-void AppList::ScheduleDimmingAnimation() {
-  ui::Layer* layer = GetLayer(view_->GetWidget());
-  layer->GetAnimator()->StopAnimating();
-
-  int duration = UseAppListV2() ?
-      kAnimationDurationMs : 2 * kAnimationDurationMs;
-
-  ui::ScopedLayerAnimationSettings animation(layer->GetAnimator());
-  animation.SetTransitionDuration(
-      base::TimeDelta::FromMilliseconds(duration));
-  animation.AddObserver(this);
-
-  layer->SetOpacity(is_visible_ ? 1.0 : 0.0);
-}
-
-void AppList::ScheduleAppListAnimation() {
-  if (is_visible_)
-    view_->AnimateShow(kAnimationDurationMs);
-  else
-    view_->AnimateHide(kAnimationDurationMs);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// AppList, aura::EventFilter implementation:
-
-bool AppList::PreHandleKeyEvent(aura::Window* target,
-                                aura::KeyEvent* event) {
-  return false;
-}
-
-bool AppList::PreHandleMouseEvent(aura::Window* target,
-                                  aura::MouseEvent* event) {
-  if (view_ && is_visible_ && event->type() == ui::ET_MOUSE_PRESSED) {
-    views::Widget* widget = view_->GetWidget();
-    aura::MouseEvent translated(*event, target, widget->GetNativeView());
-    if (!widget->GetNativeView()->ContainsPoint(translated.location()))
-      SetVisible(false);
-  }
-  return false;
-}
-
-ui::TouchStatus AppList::PreHandleTouchEvent(aura::Window* target,
-                                             aura::TouchEvent* event) {
-  return ui::TOUCH_STATUS_UNKNOWN;
-}
-
-ui::GestureStatus AppList::PreHandleGestureEvent(
-    aura::Window* target,
-    aura::GestureEvent* event) {
-  return ui::GESTURE_STATUS_UNKNOWN;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// AppList,  ura::RootWindowObserver implementation:
-void AppList::OnRootWindowResized(const aura::RootWindow* root,
-                                  const gfx::Size& old_size) {
-  if (view_ && is_visible_)
-    view_->UpdateBounds();
-}
-
-void AppList::OnWindowFocused(aura::Window* window) {
-  if (view_ && is_visible_) {
-    aura::Window* applist_container = Shell::GetInstance()->GetContainer(
-        internal::kShellWindowId_AppListContainer);
-    aura::Window* bubble_container = Shell::GetInstance()->GetContainer(
-        internal::kShellWindowId_SettingBubbleContainer);
-    if (window->parent() != applist_container &&
-        window->parent() != bubble_container) {
-      SetVisible(false);
-    }
-  }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// AppList, ui::ImplicitAnimationObserver implementation:
-
-void AppList::OnImplicitAnimationsCompleted() {
-  if (is_visible_ )
-    view_->GetWidget()->Activate();
-  else
-    view_->GetWidget()->Close();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// AppList, views::Widget::Observer implementation:
-
-void AppList::OnWidgetClosing(views::Widget* widget) {
-  DCHECK(view_->GetWidget() == widget);
-  if (is_visible_)
-    SetVisible(false);
-  ResetView();
-}
-
-}  // namespace internal
-}  // namespace ash