| // Copyright 2014 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 "athena/home/home_card_impl.h" |
| |
| #include <cmath> |
| #include <limits> |
| |
| #include "athena/env/public/athena_env.h" |
| #include "athena/home/app_list_view_delegate.h" |
| #include "athena/home/athena_start_page_view.h" |
| #include "athena/home/home_card_constants.h" |
| #include "athena/home/minimized_home.h" |
| #include "athena/home/public/app_model_builder.h" |
| #include "athena/screen/public/screen_manager.h" |
| #include "athena/util/container_priorities.h" |
| #include "athena/wm/public/window_manager.h" |
| #include "ui/app_list/search_provider.h" |
| #include "ui/app_list/views/app_list_main_view.h" |
| #include "ui/app_list/views/contents_view.h" |
| #include "ui/aura/layout_manager.h" |
| #include "ui/aura/window.h" |
| #include "ui/compositor/layer.h" |
| #include "ui/compositor/scoped_layer_animation_settings.h" |
| #include "ui/gfx/animation/tween.h" |
| #include "ui/views/layout/fill_layout.h" |
| #include "ui/views/widget/widget.h" |
| #include "ui/views/widget/widget_delegate.h" |
| #include "ui/wm/core/shadow_types.h" |
| #include "ui/wm/core/visibility_controller.h" |
| #include "ui/wm/public/activation_client.h" |
| |
| namespace athena { |
| namespace { |
| |
| HomeCard* instance = NULL; |
| |
| gfx::Rect GetBoundsForState(const gfx::Rect& screen_bounds, |
| HomeCard::State state) { |
| switch (state) { |
| case HomeCard::HIDDEN: |
| break; |
| |
| case HomeCard::VISIBLE_CENTERED: |
| return screen_bounds; |
| |
| // Do not change the home_card's size, only changes the top position |
| // instead, because size change causes unnecessary re-layouts. |
| case HomeCard::VISIBLE_BOTTOM: |
| return gfx::Rect(0, |
| screen_bounds.bottom() - kHomeCardHeight, |
| screen_bounds.width(), |
| screen_bounds.height()); |
| case HomeCard::VISIBLE_MINIMIZED: |
| return gfx::Rect(0, |
| screen_bounds.bottom() - kHomeCardMinimizedHeight, |
| screen_bounds.width(), |
| screen_bounds.height()); |
| } |
| |
| NOTREACHED(); |
| return gfx::Rect(); |
| } |
| |
| } // namespace |
| |
| // Makes sure the homecard is center-aligned horizontally and bottom-aligned |
| // vertically. |
| class HomeCardLayoutManager : public aura::LayoutManager { |
| public: |
| HomeCardLayoutManager() |
| : home_card_(NULL), |
| minimized_layer_(NULL) {} |
| |
| virtual ~HomeCardLayoutManager() {} |
| |
| void Layout(bool animate, gfx::Tween::Type tween_type) { |
| // |home_card| could be detached from the root window (e.g. when it is being |
| // destroyed). |
| if (!home_card_ || !home_card_->IsVisible() || !home_card_->GetRootWindow()) |
| return; |
| |
| scoped_ptr<ui::ScopedLayerAnimationSettings> settings; |
| if (animate) { |
| settings.reset(new ui::ScopedLayerAnimationSettings( |
| home_card_->layer()->GetAnimator())); |
| settings->SetTweenType(tween_type); |
| } |
| SetChildBoundsDirect(home_card_, GetBoundsForState( |
| home_card_->GetRootWindow()->bounds(), HomeCard::Get()->GetState())); |
| } |
| |
| void SetMinimizedLayer(ui::Layer* minimized_layer) { |
| minimized_layer_ = minimized_layer; |
| UpdateMinimizedHomeBounds(); |
| } |
| |
| private: |
| void UpdateMinimizedHomeBounds() { |
| gfx::Rect minimized_bounds = minimized_layer_->parent()->bounds(); |
| minimized_bounds.set_y( |
| minimized_bounds.bottom() - kHomeCardMinimizedHeight); |
| minimized_bounds.set_height(kHomeCardMinimizedHeight); |
| minimized_layer_->SetBounds(minimized_bounds); |
| } |
| |
| // aura::LayoutManager: |
| virtual void OnWindowResized() OVERRIDE { |
| Layout(false, gfx::Tween::LINEAR); |
| UpdateMinimizedHomeBounds(); |
| } |
| virtual void OnWindowAddedToLayout(aura::Window* child) OVERRIDE { |
| if (!home_card_) { |
| home_card_ = child; |
| Layout(false, gfx::Tween::LINEAR); |
| } |
| } |
| virtual void OnWillRemoveWindowFromLayout(aura::Window* child) OVERRIDE { |
| if (home_card_ == child) |
| home_card_ = NULL; |
| } |
| virtual void OnWindowRemovedFromLayout(aura::Window* child) OVERRIDE { |
| } |
| virtual void OnChildWindowVisibilityChanged(aura::Window* child, |
| bool visible) OVERRIDE { |
| if (home_card_ == child) |
| Layout(false, gfx::Tween::LINEAR); |
| } |
| virtual void SetChildBounds(aura::Window* child, |
| const gfx::Rect& requested_bounds) OVERRIDE { |
| SetChildBoundsDirect(child, requested_bounds); |
| } |
| |
| aura::Window* home_card_; |
| ui::Layer* minimized_layer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(HomeCardLayoutManager); |
| }; |
| |
| // The container view of home card contents of each state. |
| class HomeCardView : public views::WidgetDelegateView { |
| public: |
| HomeCardView(app_list::AppListViewDelegate* view_delegate, |
| aura::Window* container, |
| HomeCardGestureManager::Delegate* gesture_delegate) |
| : gesture_delegate_(gesture_delegate) { |
| SetLayoutManager(new views::FillLayout()); |
| // Ideally AppListMainView should be used here and have AthenaStartPageView |
| // as its child view, so that custom pages and apps grid are available in |
| // the home card. |
| // TODO(mukai): make it so after the detailed UI has been fixed. |
| main_view_ = new AthenaStartPageView(view_delegate); |
| AddChildView(main_view_); |
| } |
| |
| void SetStateProgress(HomeCard::State from_state, |
| HomeCard::State to_state, |
| float progress) { |
| // TODO(mukai): not clear the focus, but simply close the virtual keyboard. |
| GetFocusManager()->ClearFocus(); |
| if (from_state == HomeCard::VISIBLE_CENTERED) |
| main_view_->SetLayoutState(1.0f - progress); |
| else if (to_state == HomeCard::VISIBLE_CENTERED) |
| main_view_->SetLayoutState(progress); |
| UpdateShadow(true); |
| } |
| |
| void SetStateWithAnimation(HomeCard::State state, |
| gfx::Tween::Type tween_type) { |
| UpdateShadow(state != HomeCard::VISIBLE_MINIMIZED); |
| if (state == HomeCard::VISIBLE_CENTERED) |
| main_view_->RequestFocusOnSearchBox(); |
| else |
| GetWidget()->GetFocusManager()->ClearFocus(); |
| |
| main_view_->SetLayoutStateWithAnimation( |
| (state == HomeCard::VISIBLE_CENTERED) ? 1.0f : 0.0f, tween_type); |
| } |
| |
| void ClearGesture() { |
| gesture_manager_.reset(); |
| } |
| |
| // views::View: |
| virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE { |
| if (!gesture_manager_ && |
| event->type() == ui::ET_GESTURE_SCROLL_BEGIN) { |
| gesture_manager_.reset(new HomeCardGestureManager( |
| gesture_delegate_, |
| GetWidget()->GetNativeWindow()->GetRootWindow()->bounds())); |
| } |
| |
| if (gesture_manager_) |
| gesture_manager_->ProcessGestureEvent(event); |
| } |
| virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE { |
| if (HomeCard::Get()->GetState() == HomeCard::VISIBLE_MINIMIZED && |
| event.IsLeftMouseButton() && event.GetClickCount() == 1) { |
| athena::WindowManager::Get()->ToggleOverview(); |
| return true; |
| } |
| return false; |
| } |
| |
| private: |
| void UpdateShadow(bool should_show) { |
| wm::SetShadowType( |
| GetWidget()->GetNativeWindow(), |
| should_show ? wm::SHADOW_TYPE_RECTANGULAR : wm::SHADOW_TYPE_NONE); |
| } |
| |
| // views::WidgetDelegate: |
| virtual views::View* GetContentsView() OVERRIDE { |
| return this; |
| } |
| |
| AthenaStartPageView* main_view_; |
| scoped_ptr<HomeCardGestureManager> gesture_manager_; |
| HomeCardGestureManager::Delegate* gesture_delegate_; |
| |
| DISALLOW_COPY_AND_ASSIGN(HomeCardView); |
| }; |
| |
| HomeCardImpl::HomeCardImpl(AppModelBuilder* model_builder) |
| : model_builder_(model_builder), |
| state_(HIDDEN), |
| original_state_(VISIBLE_MINIMIZED), |
| home_card_widget_(NULL), |
| home_card_view_(NULL), |
| layout_manager_(NULL), |
| activation_client_(NULL) { |
| DCHECK(!instance); |
| instance = this; |
| WindowManager::Get()->AddObserver(this); |
| } |
| |
| HomeCardImpl::~HomeCardImpl() { |
| DCHECK(instance); |
| WindowManager::Get()->RemoveObserver(this); |
| if (activation_client_) |
| activation_client_->RemoveObserver(this); |
| home_card_widget_->CloseNow(); |
| |
| // Reset the view delegate first as it access search provider during |
| // shutdown. |
| view_delegate_.reset(); |
| search_provider_.reset(); |
| instance = NULL; |
| } |
| |
| void HomeCardImpl::Init() { |
| InstallAccelerators(); |
| ScreenManager::ContainerParams params("HomeCardContainer", CP_HOME_CARD); |
| params.can_activate_children = true; |
| aura::Window* container = ScreenManager::Get()->CreateContainer(params); |
| layout_manager_ = new HomeCardLayoutManager(); |
| |
| container->SetLayoutManager(layout_manager_); |
| wm::SetChildWindowVisibilityChangesAnimated(container); |
| |
| view_delegate_.reset(new AppListViewDelegate(model_builder_.get())); |
| if (search_provider_) |
| view_delegate_->RegisterSearchProvider(search_provider_.get()); |
| |
| home_card_view_ = new HomeCardView(view_delegate_.get(), container, this); |
| home_card_widget_ = new views::Widget(); |
| views::Widget::InitParams widget_params( |
| views::Widget::InitParams::TYPE_WINDOW_FRAMELESS); |
| widget_params.parent = container; |
| widget_params.delegate = home_card_view_; |
| widget_params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW; |
| home_card_widget_->Init(widget_params); |
| |
| minimized_home_ = CreateMinimizedHome(); |
| container->layer()->Add(minimized_home_->layer()); |
| container->layer()->StackAtTop(minimized_home_->layer()); |
| layout_manager_->SetMinimizedLayer(minimized_home_->layer()); |
| |
| SetState(VISIBLE_MINIMIZED); |
| home_card_view_->Layout(); |
| |
| activation_client_ = |
| aura::client::GetActivationClient(container->GetRootWindow()); |
| if (activation_client_) |
| activation_client_->AddObserver(this); |
| |
| AthenaEnv::Get()->SetDisplayWorkAreaInsets( |
| gfx::Insets(0, 0, kHomeCardMinimizedHeight, 0)); |
| } |
| |
| aura::Window* HomeCardImpl::GetHomeCardWindowForTest() const { |
| return home_card_widget_ ? home_card_widget_->GetNativeWindow() : NULL; |
| } |
| |
| void HomeCardImpl::InstallAccelerators() { |
| const AcceleratorData accelerator_data[] = { |
| {TRIGGER_ON_PRESS, ui::VKEY_L, ui::EF_CONTROL_DOWN, |
| COMMAND_SHOW_HOME_CARD, AF_NONE}, |
| }; |
| AcceleratorManager::Get()->RegisterAccelerators( |
| accelerator_data, arraysize(accelerator_data), this); |
| } |
| |
| void HomeCardImpl::SetState(HomeCard::State state) { |
| if (state_ == state) |
| return; |
| |
| // Update |state_| before changing the visibility of the widgets, so that |
| // LayoutManager callbacks get the correct state. |
| HomeCard::State old_state = state_; |
| state_ = state; |
| original_state_ = state; |
| |
| if (old_state == VISIBLE_MINIMIZED || |
| state_ == VISIBLE_MINIMIZED) { |
| minimized_home_->layer()->SetVisible(true); |
| { |
| ui::ScopedLayerAnimationSettings settings( |
| minimized_home_->layer()->GetAnimator()); |
| minimized_home_->layer()->SetVisible(state_ == VISIBLE_MINIMIZED); |
| minimized_home_->layer()->SetOpacity( |
| state_ == VISIBLE_MINIMIZED ? 1.0f : 0.0f); |
| } |
| } |
| if (state_ == HIDDEN) { |
| home_card_widget_->Hide(); |
| } else { |
| if (state_ == VISIBLE_MINIMIZED) |
| home_card_widget_->ShowInactive(); |
| else |
| home_card_widget_->Show(); |
| home_card_view_->SetStateWithAnimation(state, gfx::Tween::EASE_IN_OUT); |
| layout_manager_->Layout(true, gfx::Tween::EASE_IN_OUT); |
| } |
| } |
| |
| HomeCard::State HomeCardImpl::GetState() { |
| return state_; |
| } |
| |
| void HomeCardImpl::RegisterSearchProvider( |
| app_list::SearchProvider* search_provider) { |
| DCHECK(!search_provider_); |
| search_provider_.reset(search_provider); |
| view_delegate_->RegisterSearchProvider(search_provider_.get()); |
| } |
| |
| void HomeCardImpl::UpdateVirtualKeyboardBounds( |
| const gfx::Rect& bounds) { |
| if (state_ == VISIBLE_MINIMIZED && !bounds.IsEmpty()) { |
| SetState(HIDDEN); |
| original_state_ = VISIBLE_MINIMIZED; |
| } else if (state_ == VISIBLE_BOTTOM && !bounds.IsEmpty()) { |
| SetState(VISIBLE_CENTERED); |
| original_state_ = VISIBLE_BOTTOM; |
| } else if (state_ != original_state_ && bounds.IsEmpty()) { |
| SetState(original_state_); |
| } |
| } |
| |
| bool HomeCardImpl::IsCommandEnabled(int command_id) const { |
| return true; |
| } |
| |
| bool HomeCardImpl::OnAcceleratorFired(int command_id, |
| const ui::Accelerator& accelerator) { |
| DCHECK_EQ(COMMAND_SHOW_HOME_CARD, command_id); |
| |
| if (state_ == VISIBLE_CENTERED && original_state_ != VISIBLE_BOTTOM) |
| SetState(VISIBLE_MINIMIZED); |
| else if (state_ == VISIBLE_MINIMIZED) |
| SetState(VISIBLE_CENTERED); |
| return true; |
| } |
| |
| void HomeCardImpl::OnGestureEnded(State final_state, bool is_fling) { |
| home_card_view_->ClearGesture(); |
| if (state_ != final_state && |
| (state_ == VISIBLE_MINIMIZED || final_state == VISIBLE_MINIMIZED)) { |
| SetState(final_state); |
| WindowManager::Get()->ToggleOverview(); |
| } else { |
| state_ = final_state; |
| // When the animation happens after a fling, EASE_IN_OUT would cause weird |
| // slow-down right after the finger release because of slow-in. Therefore |
| // EASE_OUT is better. |
| gfx::Tween::Type tween_type = |
| is_fling ? gfx::Tween::EASE_OUT : gfx::Tween::EASE_IN_OUT; |
| home_card_view_->SetStateWithAnimation(state_, tween_type); |
| layout_manager_->Layout(true, tween_type); |
| } |
| } |
| |
| void HomeCardImpl::OnGestureProgressed( |
| State from_state, State to_state, float progress) { |
| if (from_state == VISIBLE_MINIMIZED || to_state == VISIBLE_MINIMIZED) { |
| minimized_home_->layer()->SetVisible(true); |
| float opacity = |
| (from_state == VISIBLE_MINIMIZED) ? 1.0f - progress : progress; |
| minimized_home_->layer()->SetOpacity(opacity); |
| } |
| gfx::Rect screen_bounds = |
| home_card_widget_->GetNativeWindow()->GetRootWindow()->bounds(); |
| home_card_widget_->SetBounds(gfx::Tween::RectValueBetween( |
| progress, |
| GetBoundsForState(screen_bounds, from_state), |
| GetBoundsForState(screen_bounds, to_state))); |
| |
| home_card_view_->SetStateProgress(from_state, to_state, progress); |
| |
| // TODO(mukai): signals the update to the window manager so that it shows the |
| // intermediate visual state of overview mode. |
| } |
| |
| void HomeCardImpl::OnOverviewModeEnter() { |
| if (state_ == HIDDEN || state_ == VISIBLE_MINIMIZED) |
| SetState(VISIBLE_BOTTOM); |
| } |
| |
| void HomeCardImpl::OnOverviewModeExit() { |
| SetState(VISIBLE_MINIMIZED); |
| } |
| |
| void HomeCardImpl::OnSplitViewModeEnter() { |
| } |
| |
| void HomeCardImpl::OnSplitViewModeExit() { |
| } |
| |
| void HomeCardImpl::OnWindowActivated(aura::Window* gained_active, |
| aura::Window* lost_active) { |
| if (state_ != HIDDEN && |
| gained_active != home_card_widget_->GetNativeWindow()) { |
| SetState(VISIBLE_MINIMIZED); |
| } |
| } |
| |
| // static |
| HomeCard* HomeCard::Create(AppModelBuilder* model_builder) { |
| (new HomeCardImpl(model_builder))->Init(); |
| DCHECK(instance); |
| return instance; |
| } |
| |
| // static |
| void HomeCard::Shutdown() { |
| DCHECK(instance); |
| delete instance; |
| instance = NULL; |
| } |
| |
| // static |
| HomeCard* HomeCard::Get() { |
| DCHECK(instance); |
| return instance; |
| } |
| |
| } // namespace athena |