| // Copyright 2013 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/wm/overview/window_selector_window.h" |
| |
| #include "ash/shell.h" |
| #include "ui/aura/client/aura_constants.h" |
| #include "ui/aura/client/screen_position_client.h" |
| #include "ui/aura/root_window.h" |
| #include "ui/aura/window.h" |
| #include "ui/compositor/layer_animation_observer.h" |
| #include "ui/compositor/scoped_layer_animation_settings.h" |
| #include "ui/gfx/display.h" |
| #include "ui/gfx/interpolated_transform.h" |
| #include "ui/gfx/transform_util.h" |
| #include "ui/views/corewm/shadow_types.h" |
| #include "ui/views/corewm/window_animations.h" |
| #include "ui/views/corewm/window_util.h" |
| #include "ui/views/widget/widget.h" |
| |
| namespace ash { |
| |
| namespace { |
| |
| const int kOverviewWindowTransitionMilliseconds = 100; |
| |
| // Creates a copy of |window| with |recreated_layer| in the |target_root|. |
| views::Widget* CreateCopyOfWindow(aura::RootWindow* target_root, |
| aura::Window* src_window, |
| ui::Layer* recreated_layer) { |
| views::Widget* widget = new views::Widget; |
| views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP); |
| params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW; |
| params.parent = src_window->parent(); |
| params.can_activate = false; |
| params.keep_on_top = true; |
| widget->set_focus_on_creation(false); |
| widget->Init(params); |
| widget->SetVisibilityChangedAnimationsEnabled(false); |
| std::string name = src_window->name() + " (Copy)"; |
| widget->GetNativeWindow()->SetName(name); |
| views::corewm::SetShadowType(widget->GetNativeWindow(), |
| views::corewm::SHADOW_TYPE_RECTANGULAR); |
| |
| // Set the bounds in the target root window. |
| gfx::Display target_display = |
| Shell::GetScreen()->GetDisplayNearestWindow(target_root); |
| aura::client::ScreenPositionClient* screen_position_client = |
| aura::client::GetScreenPositionClient(src_window->GetRootWindow()); |
| if (screen_position_client && target_display.is_valid()) { |
| screen_position_client->SetBounds(widget->GetNativeWindow(), |
| src_window->GetBoundsInScreen(), target_display); |
| } else { |
| widget->SetBounds(src_window->GetBoundsInScreen()); |
| } |
| widget->StackAbove(src_window); |
| |
| // Move the |recreated_layer| to the newly created window. |
| recreated_layer->set_delegate(src_window->layer()->delegate()); |
| gfx::Rect layer_bounds = recreated_layer->bounds(); |
| layer_bounds.set_origin(gfx::Point(0, 0)); |
| recreated_layer->SetBounds(layer_bounds); |
| recreated_layer->SetVisible(false); |
| recreated_layer->parent()->Remove(recreated_layer); |
| |
| aura::Window* window = widget->GetNativeWindow(); |
| recreated_layer->SetVisible(true); |
| window->layer()->Add(recreated_layer); |
| window->layer()->StackAtTop(recreated_layer); |
| window->layer()->SetOpacity(1); |
| window->Show(); |
| return widget; |
| } |
| |
| // An observer which closes the widget and deletes the layer after an |
| // animation finishes. |
| class CleanupWidgetAfterAnimationObserver : public ui::LayerAnimationObserver { |
| public: |
| CleanupWidgetAfterAnimationObserver(views::Widget* widget, ui::Layer* layer); |
| |
| virtual void OnLayerAnimationEnded( |
| ui::LayerAnimationSequence* sequence) OVERRIDE; |
| virtual void OnLayerAnimationAborted( |
| ui::LayerAnimationSequence* sequence) OVERRIDE; |
| virtual void OnLayerAnimationScheduled( |
| ui::LayerAnimationSequence* sequence) OVERRIDE; |
| |
| protected: |
| virtual ~CleanupWidgetAfterAnimationObserver(); |
| |
| private: |
| views::Widget* widget_; |
| ui::Layer* layer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CleanupWidgetAfterAnimationObserver); |
| }; |
| |
| CleanupWidgetAfterAnimationObserver::CleanupWidgetAfterAnimationObserver( |
| views::Widget* widget, |
| ui::Layer* layer) |
| : widget_(widget), |
| layer_(layer) { |
| widget_->GetNativeWindow()->layer()->GetAnimator()->AddObserver(this); |
| } |
| |
| void CleanupWidgetAfterAnimationObserver::OnLayerAnimationEnded( |
| ui::LayerAnimationSequence* sequence) { |
| delete this; |
| } |
| |
| void CleanupWidgetAfterAnimationObserver::OnLayerAnimationAborted( |
| ui::LayerAnimationSequence* sequence) { |
| delete this; |
| } |
| |
| void CleanupWidgetAfterAnimationObserver::OnLayerAnimationScheduled( |
| ui::LayerAnimationSequence* sequence) { |
| } |
| |
| CleanupWidgetAfterAnimationObserver::~CleanupWidgetAfterAnimationObserver() { |
| widget_->GetNativeWindow()->layer()->GetAnimator()->RemoveObserver(this); |
| widget_->Close(); |
| widget_ = NULL; |
| if (layer_) { |
| views::corewm::DeepDeleteLayers(layer_); |
| layer_ = NULL; |
| } |
| } |
| |
| // The animation settings used for window selector animations. |
| class WindowSelectorAnimationSettings |
| : public ui::ScopedLayerAnimationSettings { |
| public: |
| WindowSelectorAnimationSettings(aura::Window* window) : |
| ui::ScopedLayerAnimationSettings(window->layer()->GetAnimator()) { |
| SetPreemptionStrategy( |
| ui::LayerAnimator::IMMEDIATELY_ANIMATE_TO_NEW_TARGET); |
| SetTransitionDuration(base::TimeDelta::FromMilliseconds( |
| kOverviewWindowTransitionMilliseconds)); |
| } |
| |
| virtual ~WindowSelectorAnimationSettings() { |
| } |
| }; |
| |
| } // namespace |
| |
| WindowSelectorWindow::WindowSelectorWindow(aura::Window* window) |
| : window_(window), |
| window_copy_(NULL), |
| layer_(NULL), |
| minimized_(window->GetProperty(aura::client::kShowStateKey) == |
| ui::SHOW_STATE_MINIMIZED), |
| original_transform_(window->layer()->GetTargetTransform()) { |
| } |
| |
| WindowSelectorWindow::~WindowSelectorWindow() { |
| if (window_) { |
| WindowSelectorAnimationSettings animation_settings(window_); |
| gfx::Transform transform; |
| window_->SetTransform(original_transform_); |
| if (minimized_ && window_->GetProperty(aura::client::kShowStateKey) != |
| ui::SHOW_STATE_MINIMIZED) { |
| // Setting opacity 0 and visible false ensures that the property change |
| // to SHOW_STATE_MINIMIZED will not animate the window from its original |
| // bounds to the minimized position. |
| window_->layer()->SetOpacity(0); |
| window_->layer()->SetVisible(false); |
| window_->SetProperty(aura::client::kShowStateKey, |
| ui::SHOW_STATE_MINIMIZED); |
| } |
| } |
| // If a copy of the window was created, clean it up. |
| if (window_copy_) { |
| if (window_) { |
| // If the initial window wasn't destroyed, the copy needs to be animated |
| // out. CleanupWidgetAfterAnimationObserver will destroy the widget and |
| // layer after the animation is complete. |
| new CleanupWidgetAfterAnimationObserver(window_copy_, layer_); |
| WindowSelectorAnimationSettings animation_settings( |
| window_copy_->GetNativeWindow()); |
| window_copy_->GetNativeWindow()->SetTransform(original_transform_); |
| } else { |
| window_copy_->Close(); |
| if (layer_) |
| views::corewm::DeepDeleteLayers(layer_); |
| } |
| window_copy_ = NULL; |
| layer_ = NULL; |
| } |
| } |
| |
| bool WindowSelectorWindow::Contains(const aura::Window* window) const { |
| if (window_copy_ && window_copy_->GetNativeWindow()->Contains(window)) |
| return true; |
| return window_->Contains(window); |
| } |
| |
| void WindowSelectorWindow::RestoreWindowOnExit() { |
| minimized_ = false; |
| original_transform_ = gfx::Transform(); |
| } |
| |
| void WindowSelectorWindow::OnWindowDestroyed() { |
| window_ = NULL; |
| } |
| |
| void WindowSelectorWindow::TransformToFitBounds( |
| aura::RootWindow* root_window, |
| const gfx::Rect& target_bounds) { |
| if (minimized_ && window_->GetProperty(aura::client::kShowStateKey) == |
| ui::SHOW_STATE_MINIMIZED) { |
| window_->Show(); |
| } |
| fit_bounds_ = target_bounds; |
| const gfx::Rect bounds = window_->GetBoundsInScreen(); |
| float scale = std::min(1.0f, |
| std::min(static_cast<float>(target_bounds.width()) / bounds.width(), |
| static_cast<float>(target_bounds.height()) / bounds.height())); |
| gfx::Transform transform; |
| gfx::Vector2d offset( |
| 0.5 * (target_bounds.width() - scale * bounds.width()), |
| 0.5 * (target_bounds.height() - scale * bounds.height())); |
| transform.Translate(target_bounds.x() - bounds.x() + offset.x(), |
| target_bounds.y() - bounds.y() + offset.y()); |
| transform.Scale(scale, scale); |
| if (root_window != window_->GetRootWindow()) { |
| if (!window_copy_) { |
| DCHECK(!layer_); |
| layer_ = views::corewm::RecreateWindowLayers(window_, true); |
| window_copy_ = CreateCopyOfWindow(root_window, window_, layer_); |
| } |
| WindowSelectorAnimationSettings animation_settings( |
| window_copy_->GetNativeWindow()); |
| window_copy_->GetNativeWindow()->SetTransform(transform); |
| } |
| WindowSelectorAnimationSettings animation_settings(window_); |
| window_->SetTransform(transform); |
| } |
| |
| } // namespace ash |