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| 1 // Copyright (c) 2012 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. | |
| 4 | |
| 5 #include "ash/display/output_configurator_animation.h" | |
| 6 | |
| 7 #include "ash/shell.h" | |
| 8 #include "ash/shell_window_ids.h" | |
| 9 #include "base/bind.h" | |
| 10 #include "base/stl_util.h" | |
| 11 #include "base/time/time.h" | |
| 12 #include "ui/aura/window.h" | |
| 13 #include "ui/aura/window_event_dispatcher.h" | |
| 14 #include "ui/compositor/layer.h" | |
| 15 #include "ui/compositor/layer_animation_observer.h" | |
| 16 #include "ui/compositor/layer_animation_sequence.h" | |
| 17 #include "ui/compositor/layer_animator.h" | |
| 18 #include "ui/compositor/scoped_layer_animation_settings.h" | |
| 19 | |
| 20 namespace ash { | |
| 21 namespace { | |
| 22 | |
| 23 const int kFadingAnimationDurationInMS = 200; | |
| 24 const int kFadingTimeoutDurationInSeconds = 10; | |
| 25 | |
| 26 // CallbackRunningObserver accepts multiple layer animations and | |
| 27 // runs the specified |callback| when all of the animations have finished. | |
| 28 class CallbackRunningObserver { | |
| 29 public: | |
| 30 CallbackRunningObserver(base::Closure callback) | |
| 31 : completed_counter_(0), | |
| 32 animation_aborted_(false), | |
| 33 callback_(callback) {} | |
| 34 | |
| 35 void AddNewAnimator(ui::LayerAnimator* animator) { | |
| 36 Observer* observer = new Observer(animator, this); | |
| 37 animator->AddObserver(observer); | |
| 38 observer_list_.push_back(observer); | |
| 39 } | |
| 40 | |
| 41 private: | |
| 42 void OnSingleTaskCompleted() { | |
| 43 completed_counter_++; | |
| 44 if (completed_counter_ >= observer_list_.size()) { | |
| 45 base::MessageLoopForUI::current()->DeleteSoon(FROM_HERE, this); | |
| 46 if (!animation_aborted_) | |
| 47 base::MessageLoopForUI::current()->PostTask(FROM_HERE, callback_); | |
| 48 } | |
| 49 } | |
| 50 | |
| 51 void OnSingleTaskAborted() { | |
| 52 animation_aborted_ = true; | |
| 53 OnSingleTaskCompleted(); | |
| 54 } | |
| 55 | |
| 56 // The actual observer to listen each animation completion. | |
| 57 class Observer : public ui::LayerAnimationObserver { | |
| 58 public: | |
| 59 Observer(ui::LayerAnimator* animator, | |
| 60 CallbackRunningObserver* observer) | |
| 61 : animator_(animator), | |
| 62 observer_(observer) {} | |
| 63 | |
| 64 protected: | |
| 65 // ui::LayerAnimationObserver overrides: | |
| 66 virtual void OnLayerAnimationEnded( | |
| 67 ui::LayerAnimationSequence* sequence) OVERRIDE { | |
| 68 animator_->RemoveObserver(this); | |
| 69 observer_->OnSingleTaskCompleted(); | |
| 70 } | |
| 71 virtual void OnLayerAnimationAborted( | |
| 72 ui::LayerAnimationSequence* sequence) OVERRIDE { | |
| 73 animator_->RemoveObserver(this); | |
| 74 observer_->OnSingleTaskAborted(); | |
| 75 } | |
| 76 virtual void OnLayerAnimationScheduled( | |
| 77 ui::LayerAnimationSequence* sequence) OVERRIDE { | |
| 78 } | |
| 79 virtual bool RequiresNotificationWhenAnimatorDestroyed() const OVERRIDE { | |
| 80 return true; | |
| 81 } | |
| 82 | |
| 83 private: | |
| 84 ui::LayerAnimator* animator_; | |
| 85 CallbackRunningObserver* observer_; | |
| 86 | |
| 87 DISALLOW_COPY_AND_ASSIGN(Observer); | |
| 88 }; | |
| 89 | |
| 90 size_t completed_counter_; | |
| 91 bool animation_aborted_; | |
| 92 ScopedVector<Observer> observer_list_; | |
| 93 base::Closure callback_; | |
| 94 | |
| 95 DISALLOW_COPY_AND_ASSIGN(CallbackRunningObserver); | |
| 96 }; | |
| 97 | |
| 98 } // namespace | |
| 99 | |
| 100 OutputConfiguratorAnimation::OutputConfiguratorAnimation() { | |
| 101 } | |
| 102 | |
| 103 OutputConfiguratorAnimation::~OutputConfiguratorAnimation() { | |
| 104 ClearHidingLayers(); | |
| 105 } | |
| 106 | |
| 107 void OutputConfiguratorAnimation::StartFadeOutAnimation( | |
| 108 base::Closure callback) { | |
| 109 CallbackRunningObserver* observer = new CallbackRunningObserver(callback); | |
| 110 ClearHidingLayers(); | |
| 111 | |
| 112 // Make the fade-out animation for all root windows. Instead of actually | |
| 113 // hiding the root windows, we put a black layer over a root window for | |
| 114 // safety. These layers remain to hide root windows and will be deleted | |
| 115 // after the animation of OnDisplayModeChanged(). | |
| 116 aura::Window::Windows root_windows = | |
| 117 Shell::GetInstance()->GetAllRootWindows(); | |
| 118 for (aura::Window::Windows::const_iterator it = root_windows.begin(); | |
| 119 it != root_windows.end(); ++it) { | |
| 120 aura::Window* root_window = *it; | |
| 121 ui::Layer* hiding_layer = new ui::Layer(ui::LAYER_SOLID_COLOR); | |
| 122 hiding_layer->SetColor(SK_ColorBLACK); | |
| 123 hiding_layer->SetBounds(root_window->bounds()); | |
| 124 ui::Layer* parent = | |
| 125 ash::Shell::GetContainer(root_window, | |
| 126 ash::kShellWindowId_OverlayContainer)->layer(); | |
| 127 parent->Add(hiding_layer); | |
| 128 | |
| 129 hiding_layer->SetOpacity(0.0); | |
| 130 | |
| 131 ui::ScopedLayerAnimationSettings settings(hiding_layer->GetAnimator()); | |
| 132 settings.SetTransitionDuration(base::TimeDelta::FromMilliseconds( | |
| 133 kFadingAnimationDurationInMS)); | |
| 134 observer->AddNewAnimator(hiding_layer->GetAnimator()); | |
| 135 hiding_layer->SetOpacity(1.0f); | |
| 136 hiding_layer->SetVisible(true); | |
| 137 hiding_layers_[root_window] = hiding_layer; | |
| 138 } | |
| 139 | |
| 140 // In case that OnDisplayModeChanged() isn't called or its animator is | |
| 141 // canceled due to some unknown errors, we set a timer to clear these | |
| 142 // hiding layers. | |
| 143 timer_.reset(new base::OneShotTimer<OutputConfiguratorAnimation>()); | |
| 144 timer_->Start(FROM_HERE, | |
| 145 base::TimeDelta::FromSeconds(kFadingTimeoutDurationInSeconds), | |
| 146 this, | |
| 147 &OutputConfiguratorAnimation::ClearHidingLayers); | |
| 148 } | |
| 149 | |
| 150 void OutputConfiguratorAnimation::StartFadeInAnimation() { | |
| 151 // We want to make sure clearing all of hiding layers after the animation | |
| 152 // finished. Note that this callback can be canceled, but the cancel only | |
| 153 // happens when the next animation is scheduled. Thus the hiding layers | |
| 154 // should be deleted eventually. | |
| 155 CallbackRunningObserver* observer = new CallbackRunningObserver( | |
| 156 base::Bind(&OutputConfiguratorAnimation::ClearHidingLayers, | |
| 157 base::Unretained(this))); | |
| 158 | |
| 159 // Ensure that layers are not animating. | |
| 160 for (std::map<aura::Window*, ui::Layer*>::iterator it = | |
| 161 hiding_layers_.begin(); it != hiding_layers_.end(); ++it) { | |
| 162 ui::LayerAnimator* animator = it->second->GetAnimator(); | |
| 163 if (animator->is_animating()) | |
| 164 animator->StopAnimating(); | |
| 165 } | |
| 166 | |
| 167 // Schedules the fade-in effect for all root windows. Because we put the | |
| 168 // black layers for fade-out, here we actually turn those black layers | |
| 169 // invisible. | |
| 170 aura::Window::Windows root_windows = | |
| 171 Shell::GetInstance()->GetAllRootWindows(); | |
| 172 for (aura::Window::Windows::const_iterator it = root_windows.begin(); | |
| 173 it != root_windows.end(); ++it) { | |
| 174 aura::Window* root_window = *it; | |
| 175 ui::Layer* hiding_layer = NULL; | |
| 176 if (hiding_layers_.find(root_window) == hiding_layers_.end()) { | |
| 177 // In case of the transition from mirroring->non-mirroring, new root | |
| 178 // windows appear and we do not have the black layers for them. Thus | |
| 179 // we need to create the layer and make it visible. | |
| 180 hiding_layer = new ui::Layer(ui::LAYER_SOLID_COLOR); | |
| 181 hiding_layer->SetColor(SK_ColorBLACK); | |
| 182 hiding_layer->SetBounds(root_window->bounds()); | |
| 183 ui::Layer* parent = | |
| 184 ash::Shell::GetContainer( | |
| 185 root_window, ash::kShellWindowId_OverlayContainer)->layer(); | |
| 186 parent->Add(hiding_layer); | |
| 187 hiding_layer->SetOpacity(1.0f); | |
| 188 hiding_layer->SetVisible(true); | |
| 189 hiding_layers_[root_window] = hiding_layer; | |
| 190 } else { | |
| 191 hiding_layer = hiding_layers_[root_window]; | |
| 192 if (hiding_layer->bounds() != root_window->bounds()) | |
| 193 hiding_layer->SetBounds(root_window->bounds()); | |
| 194 } | |
| 195 | |
| 196 ui::ScopedLayerAnimationSettings settings(hiding_layer->GetAnimator()); | |
| 197 settings.SetTransitionDuration(base::TimeDelta::FromMilliseconds( | |
| 198 kFadingAnimationDurationInMS)); | |
| 199 observer->AddNewAnimator(hiding_layer->GetAnimator()); | |
| 200 hiding_layer->SetOpacity(0.0f); | |
| 201 hiding_layer->SetVisible(false); | |
| 202 } | |
| 203 } | |
| 204 | |
| 205 void OutputConfiguratorAnimation::OnDisplayModeChanged( | |
| 206 const ui::DisplayConfigurator::DisplayStateList& outputs) { | |
| 207 if (!hiding_layers_.empty()) | |
| 208 StartFadeInAnimation(); | |
| 209 } | |
| 210 | |
| 211 void OutputConfiguratorAnimation::OnDisplayModeChangeFailed( | |
| 212 ui::MultipleDisplayState failed_new_state) { | |
| 213 if (!hiding_layers_.empty()) | |
| 214 StartFadeInAnimation(); | |
| 215 } | |
| 216 | |
| 217 void OutputConfiguratorAnimation::ClearHidingLayers() { | |
| 218 if (timer_) { | |
| 219 timer_->Stop(); | |
| 220 timer_.reset(); | |
| 221 } | |
| 222 STLDeleteContainerPairSecondPointers( | |
| 223 hiding_layers_.begin(), hiding_layers_.end()); | |
| 224 hiding_layers_.clear(); | |
| 225 } | |
| 226 | |
| 227 } // namespace ash | |
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Chromium Code Reviews
Issue 250163002:
Update naming from OutputConfiguratorAnimation to DisplayConfiguratorAnimation (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src