| // 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_item.h" |
| |
| #include "ash/screen_util.h" |
| #include "ash/shell.h" |
| #include "ash/shell_window_ids.h" |
| #include "ash/wm/overview/scoped_transform_overview_window.h" |
| #include "ash/wm/overview/transparent_activate_window_button.h" |
| #include "base/auto_reset.h" |
| #include "grit/ash_resources.h" |
| #include "ui/aura/window.h" |
| #include "ui/base/resource/resource_bundle.h" |
| #include "ui/compositor/scoped_layer_animation_settings.h" |
| #include "ui/views/controls/button/image_button.h" |
| #include "ui/views/controls/label.h" |
| #include "ui/views/layout/box_layout.h" |
| #include "ui/views/widget/widget.h" |
| |
| namespace ash { |
| |
| namespace { |
| |
| views::Widget* CreateCloseWindowButton(aura::Window* root_window, |
| views::ButtonListener* listener) { |
| views::Widget* widget = new views::Widget; |
| views::Widget::InitParams params; |
| params.type = views::Widget::InitParams::TYPE_POPUP; |
| params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; |
| params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW; |
| params.parent = |
| Shell::GetContainer(root_window, ash::kShellWindowId_OverlayContainer); |
| widget->set_focus_on_creation(false); |
| widget->Init(params); |
| views::ImageButton* button = new views::ImageButton(listener); |
| ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); |
| button->SetImage(views::CustomButton::STATE_NORMAL, |
| rb.GetImageSkiaNamed(IDR_AURA_WINDOW_OVERVIEW_CLOSE)); |
| button->SetImage(views::CustomButton::STATE_HOVERED, |
| rb.GetImageSkiaNamed(IDR_AURA_WINDOW_OVERVIEW_CLOSE_H)); |
| button->SetImage(views::CustomButton::STATE_PRESSED, |
| rb.GetImageSkiaNamed(IDR_AURA_WINDOW_OVERVIEW_CLOSE_P)); |
| widget->SetContentsView(button); |
| widget->SetSize(rb.GetImageSkiaNamed(IDR_AURA_WINDOW_OVERVIEW_CLOSE)->size()); |
| widget->Show(); |
| return widget; |
| } |
| |
| } // namespace |
| |
| // In the conceptual overview table, the window margin is the space reserved |
| // around the window within the cell. This margin does not overlap so the |
| // closest distance between adjacent windows will be twice this amount. |
| static const int kWindowMargin = 30; |
| |
| // Foreground label color. |
| static const SkColor kLabelColor = SK_ColorWHITE; |
| |
| // Background label color. |
| static const SkColor kLabelBackground = SK_ColorTRANSPARENT; |
| |
| // Label shadow color. |
| static const SkColor kLabelShadow = 0xB0000000; |
| |
| // Vertical padding for the label, both over and beneath it. |
| static const int kVerticalLabelPadding = 20; |
| |
| // Solid shadow length from the label |
| static const int kVerticalShadowOffset = 1; |
| |
| // Amount of blur applied to the label shadow |
| static const int kShadowBlur = 10; |
| |
| views::Widget* CreateWindowLabel(aura::Window* root_window, |
| const base::string16 title) { |
| views::Widget* widget = new views::Widget; |
| views::Widget::InitParams params; |
| params.type = views::Widget::InitParams::TYPE_POPUP; |
| params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; |
| params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW; |
| params.parent = |
| Shell::GetContainer(root_window, ash::kShellWindowId_OverlayContainer); |
| params.accept_events = false; |
| params.visible_on_all_workspaces = true; |
| widget->set_focus_on_creation(false); |
| widget->Init(params); |
| views::Label* label = new views::Label; |
| label->SetEnabledColor(kLabelColor); |
| label->SetBackgroundColor(kLabelBackground); |
| label->set_shadows(gfx::ShadowValues(1, gfx::ShadowValue( |
| gfx::Point(0, kVerticalShadowOffset), kShadowBlur, kLabelShadow))); |
| ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance(); |
| label->SetFontList(bundle.GetFontList(ui::ResourceBundle::BoldFont)); |
| label->SetText(title); |
| views::BoxLayout* layout = new views::BoxLayout(views::BoxLayout::kVertical, |
| 0, |
| kVerticalLabelPadding, |
| 0); |
| label->SetLayoutManager(layout); |
| widget->SetContentsView(label); |
| widget->Show(); |
| return widget; |
| } |
| |
| const int WindowSelectorItem::kFadeInMilliseconds = 80; |
| |
| WindowSelectorItem::WindowSelectorItem() |
| : root_window_(NULL), |
| in_bounds_update_(false) { |
| } |
| |
| WindowSelectorItem::~WindowSelectorItem() { |
| } |
| |
| void WindowSelectorItem::RemoveWindow(const aura::Window* window) { |
| // If empty WindowSelectorItem will be destroyed immediately after this by |
| // its owner. |
| if (empty()) |
| return; |
| window_label_.reset(); |
| UpdateWindowLabels(target_bounds_, root_window_, false); |
| UpdateCloseButtonBounds(root_window_, false); |
| } |
| |
| void WindowSelectorItem::SetBounds(aura::Window* root_window, |
| const gfx::Rect& target_bounds, |
| bool animate) { |
| if (in_bounds_update_) |
| return; |
| base::AutoReset<bool> auto_reset_in_bounds_update(&in_bounds_update_, true); |
| root_window_ = root_window; |
| target_bounds_ = target_bounds; |
| |
| // Set the bounds of the transparent window handler to cover the entire |
| // bounding box area. |
| if (!activate_window_button_) { |
| activate_window_button_.reset( |
| new TransparentActivateWindowButton(SelectionWindow())); |
| } |
| activate_window_button_->SetBounds(target_bounds); |
| |
| // TODO(nsatragno): Handle window title updates. |
| UpdateWindowLabels(target_bounds, root_window, animate); |
| |
| gfx::Rect inset_bounds(target_bounds); |
| inset_bounds.Inset(kWindowMargin, kWindowMargin); |
| SetItemBounds(root_window, inset_bounds, animate); |
| UpdateCloseButtonBounds(root_window, animate); |
| } |
| |
| void WindowSelectorItem::RecomputeWindowTransforms() { |
| if (in_bounds_update_ || target_bounds_.IsEmpty()) |
| return; |
| DCHECK(root_window_); |
| base::AutoReset<bool> auto_reset_in_bounds_update(&in_bounds_update_, true); |
| gfx::Rect inset_bounds(target_bounds_); |
| inset_bounds.Inset(kWindowMargin, kWindowMargin); |
| SetItemBounds(root_window_, inset_bounds, false); |
| UpdateCloseButtonBounds(root_window_, false); |
| } |
| |
| void WindowSelectorItem::SendFocusAlert() const { |
| activate_window_button_->SendFocusAlert(); |
| } |
| |
| void WindowSelectorItem::ButtonPressed(views::Button* sender, |
| const ui::Event& event) { |
| views::Widget::GetWidgetForNativeView(SelectionWindow())->Close(); |
| } |
| |
| void WindowSelectorItem::UpdateCloseButtonBounds(aura::Window* root_window, |
| bool animate) { |
| gfx::RectF align_bounds(SelectionWindow()->layer()->bounds()); |
| gfx::Transform window_transform; |
| window_transform.Translate(align_bounds.x(), align_bounds.y()); |
| window_transform.PreconcatTransform(SelectionWindow()->layer()-> |
| GetTargetTransform()); |
| window_transform.Translate(-align_bounds.x(), -align_bounds.y()); |
| window_transform.TransformRect(&align_bounds); |
| gfx::Rect target_bounds = ToEnclosingRect(align_bounds); |
| |
| gfx::Transform close_button_transform; |
| close_button_transform.Translate(target_bounds.right(), target_bounds.y()); |
| |
| // If the root window has changed, force the close button to be recreated |
| // and faded in on the new root window. |
| if (close_button_ && |
| close_button_->GetNativeWindow()->GetRootWindow() != root_window) { |
| close_button_.reset(); |
| } |
| |
| if (!close_button_) { |
| close_button_.reset(CreateCloseWindowButton(root_window, this)); |
| gfx::Rect close_button_rect(close_button_->GetNativeWindow()->bounds()); |
| // Align the center of the button with position (0, 0) so that the |
| // translate transform does not need to take the button dimensions into |
| // account. |
| close_button_rect.set_x(-close_button_rect.width() / 2); |
| close_button_rect.set_y(-close_button_rect.height() / 2); |
| close_button_->GetNativeWindow()->SetBounds(close_button_rect); |
| close_button_->GetNativeWindow()->SetTransform(close_button_transform); |
| // The close button is initialized when entering overview, fade the button |
| // in after the window should be in place. |
| ui::Layer* layer = close_button_->GetNativeWindow()->layer(); |
| layer->SetOpacity(0); |
| layer->GetAnimator()->StopAnimating(); |
| layer->GetAnimator()->SchedulePauseForProperties( |
| base::TimeDelta::FromMilliseconds( |
| ScopedTransformOverviewWindow::kTransitionMilliseconds), |
| ui::LayerAnimationElement::OPACITY); |
| { |
| ui::ScopedLayerAnimationSettings settings(layer->GetAnimator()); |
| settings.SetPreemptionStrategy( |
| ui::LayerAnimator::REPLACE_QUEUED_ANIMATIONS); |
| settings.SetTransitionDuration(base::TimeDelta::FromMilliseconds( |
| WindowSelectorItem::kFadeInMilliseconds)); |
| layer->SetOpacity(1); |
| } |
| } else { |
| if (animate) { |
| ui::ScopedLayerAnimationSettings settings( |
| close_button_->GetNativeWindow()->layer()->GetAnimator()); |
| settings.SetPreemptionStrategy( |
| ui::LayerAnimator::IMMEDIATELY_ANIMATE_TO_NEW_TARGET); |
| settings.SetTransitionDuration(base::TimeDelta::FromMilliseconds( |
| ScopedTransformOverviewWindow::kTransitionMilliseconds)); |
| close_button_->GetNativeWindow()->SetTransform(close_button_transform); |
| } else { |
| close_button_->GetNativeWindow()->SetTransform(close_button_transform); |
| } |
| } |
| } |
| |
| void WindowSelectorItem::UpdateWindowLabels(const gfx::Rect& window_bounds, |
| aura::Window* root_window, |
| bool animate) { |
| gfx::Rect converted_bounds = ScreenUtil::ConvertRectFromScreen(root_window, |
| window_bounds); |
| gfx::Rect label_bounds(converted_bounds.x(), |
| converted_bounds.bottom(), |
| converted_bounds.width(), |
| 0); |
| |
| // If the root window has changed, force the window label to be recreated |
| // and faded in on the new root window. |
| if (window_label_ && |
| window_label_->GetNativeWindow()->GetRootWindow() != root_window) { |
| window_label_.reset(); |
| } |
| |
| if (!window_label_) { |
| window_label_.reset(CreateWindowLabel(root_window, |
| SelectionWindow()->title())); |
| label_bounds.set_height(window_label_-> |
| GetContentsView()->GetPreferredSize().height()); |
| label_bounds.set_y(label_bounds.y() - window_label_-> |
| GetContentsView()->GetPreferredSize().height()); |
| window_label_->GetNativeWindow()->SetBounds(label_bounds); |
| ui::Layer* layer = window_label_->GetNativeWindow()->layer(); |
| |
| layer->SetOpacity(0); |
| layer->GetAnimator()->StopAnimating(); |
| |
| layer->GetAnimator()->SchedulePauseForProperties( |
| base::TimeDelta::FromMilliseconds( |
| ScopedTransformOverviewWindow::kTransitionMilliseconds), |
| ui::LayerAnimationElement::OPACITY); |
| |
| ui::ScopedLayerAnimationSettings settings(layer->GetAnimator()); |
| settings.SetPreemptionStrategy( |
| ui::LayerAnimator::REPLACE_QUEUED_ANIMATIONS); |
| settings.SetTransitionDuration(base::TimeDelta::FromMilliseconds( |
| kFadeInMilliseconds)); |
| layer->SetOpacity(1); |
| } else { |
| label_bounds.set_height(window_label_-> |
| GetContentsView()->GetPreferredSize().height()); |
| label_bounds.set_y(label_bounds.y() - window_label_-> |
| GetContentsView()->GetPreferredSize().height()); |
| if (animate) { |
| ui::ScopedLayerAnimationSettings settings( |
| window_label_->GetNativeWindow()->layer()->GetAnimator()); |
| settings.SetPreemptionStrategy( |
| ui::LayerAnimator::IMMEDIATELY_ANIMATE_TO_NEW_TARGET); |
| settings.SetTransitionDuration(base::TimeDelta::FromMilliseconds( |
| ScopedTransformOverviewWindow::kTransitionMilliseconds)); |
| window_label_->GetNativeWindow()->SetBounds(label_bounds); |
| } else { |
| window_label_->GetNativeWindow()->SetBounds(label_bounds); |
| } |
| } |
| } |
| |
| } // namespace ash |