1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "ash/first_run/desktop_cleaner.h"
8 #include "ash/shell_window_ids.h"
9 #include "ui/aura/window_event_dispatcher.h"
10 #include "ui/aura/window_observer.h"
11 #include "ui/compositor/layer_animation_observer.h"
12 #include "ui/compositor/scoped_layer_animation_settings.h"
13 #include "ui/message_center/message_center.h"
14 #include "ui/message_center/notification_blocker.h"
19 const int kContainerIdsToHide[] = {
20 kShellWindowId_DefaultContainer,
21 kShellWindowId_AlwaysOnTopContainer,
22 kShellWindowId_PanelContainer,
23 // TODO(dzhioev): uncomment this when issue with BrowserView::CanActivate
25 // kShellWindowId_SystemModalContainer
30 class ContainerHider : public aura::WindowObserver,
31 public ui::ImplicitAnimationObserver {
33 explicit ContainerHider(aura::Window* container)
34 : container_was_hidden_(!container->IsVisible()),
35 container_(container) {
36 if (container_was_hidden_)
38 ui::Layer* layer = container_->layer();
39 ui::ScopedLayerAnimationSettings animation_settings(layer->GetAnimator());
40 animation_settings.AddObserver(this);
41 layer->SetOpacity(0.0);
44 virtual ~ContainerHider() {
45 if (container_was_hidden_ || !container_)
47 if (!WasAnimationCompletedForProperty(ui::LayerAnimationElement::OPACITY)) {
48 // We are in the middle of animation.
49 StopObservingImplicitAnimations();
53 ui::Layer* layer = container_->layer();
54 ui::ScopedLayerAnimationSettings animation_settings(layer->GetAnimator());
55 layer->SetOpacity(1.0);
59 // Overriden from ui::ImplicitAnimationObserver.
60 virtual void OnImplicitAnimationsCompleted() OVERRIDE {
64 // Overriden from aura::WindowObserver.
65 virtual void OnWindowDestroying(aura::Window* window) OVERRIDE {
66 DCHECK(window == container_);
70 const bool container_was_hidden_;
71 aura::Window* container_;
73 DISALLOW_COPY_AND_ASSIGN(ContainerHider);
76 class NotificationBlocker : public message_center::NotificationBlocker {
79 : message_center::NotificationBlocker(
80 message_center::MessageCenter::Get()) {
81 NotifyBlockingStateChanged();
84 virtual ~NotificationBlocker() {};
87 // Overriden from message_center::NotificationBlocker.
88 virtual bool ShouldShowNotificationAsPopup(
89 const message_center::NotifierId& notifier_id) const OVERRIDE {
93 DISALLOW_COPY_AND_ASSIGN(NotificationBlocker);
96 DesktopCleaner::DesktopCleaner() {
97 // TODO(dzhioev): Add support for secondary displays.
98 aura::Window* root_window = Shell::GetInstance()->GetPrimaryRootWindow();
99 for (size_t i = 0; i < arraysize(kContainerIdsToHide); ++i) {
100 aura::Window* container =
101 Shell::GetContainer(root_window, kContainerIdsToHide[i]);
102 container_hiders_.push_back(make_linked_ptr(new ContainerHider(container)));
104 notification_blocker_.reset(new NotificationBlocker());
107 DesktopCleaner::~DesktopCleaner() {}
110 std::vector<int> DesktopCleaner::GetContainersToHideForTest() {
111 return std::vector<int>(kContainerIdsToHide,
112 kContainerIdsToHide + arraysize(kContainerIdsToHide));