| // Copyright 2015 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/non_client_frame_controller.h" |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "ash/frame/custom_frame_view_ash.h" |
| #include "ash/frame/detached_title_area_renderer.h" |
| #include "ash/public/cpp/ash_constants.h" |
| #include "ash/public/cpp/ash_layout_constants.h" |
| #include "ash/public/cpp/immersive/immersive_fullscreen_controller_delegate.h" |
| #include "ash/public/cpp/window_properties.h" |
| #include "ash/shell.h" |
| #include "ash/wm/panels/panel_frame_view.h" |
| #include "ash/wm/property_util.h" |
| #include "ash/wm/window_properties.h" |
| #include "ash/wm/window_util.h" |
| #include "ash/ws/window_service_owner.h" |
| #include "base/macros.h" |
| #include "base/strings/string16.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "services/ui/public/interfaces/window_manager.mojom.h" |
| #include "services/ui/ws2/window_properties.h" |
| #include "services/ui/ws2/window_service.h" |
| #include "ui/accessibility/ax_node_data.h" |
| #include "ui/aura/client/aura_constants.h" |
| #include "ui/aura/client/transient_window_client.h" |
| #include "ui/aura/mus/property_converter.h" |
| #include "ui/aura/mus/property_utils.h" |
| #include "ui/aura/mus/window_port_mus.h" |
| #include "ui/aura/window.h" |
| #include "ui/base/class_property.h" |
| #include "ui/base/hit_test.h" |
| #include "ui/compositor/layer.h" |
| #include "ui/gfx/geometry/vector2d.h" |
| #include "ui/views/mus/ax_remote_host.h" |
| #include "ui/views/widget/native_widget_aura.h" |
| #include "ui/views/widget/widget.h" |
| #include "ui/wm/core/coordinate_conversion.h" |
| |
| DEFINE_UI_CLASS_PROPERTY_TYPE(ash::NonClientFrameController*); |
| |
| namespace ash { |
| namespace { |
| |
| DEFINE_UI_CLASS_PROPERTY_KEY(NonClientFrameController*, |
| kNonClientFrameControllerKey, |
| nullptr); |
| |
| // This class supports draggable app windows that paint their own custom frames. |
| // It uses empty insets, doesn't paint anything, and hit tests return HTCAPTION. |
| class EmptyDraggableNonClientFrameView : public views::NonClientFrameView { |
| public: |
| EmptyDraggableNonClientFrameView() = default; |
| ~EmptyDraggableNonClientFrameView() override = default; |
| |
| // views::NonClientFrameView: |
| gfx::Rect GetBoundsForClientView() const override { return bounds(); } |
| gfx::Rect GetWindowBoundsForClientBounds( |
| const gfx::Rect& client_bounds) const override { |
| return bounds(); |
| } |
| int NonClientHitTest(const gfx::Point& point) override { return HTCAPTION; } |
| void GetWindowMask(const gfx::Size& size, gfx::Path* window_mask) override {} |
| void ResetWindowControls() override {} |
| void UpdateWindowIcon() override {} |
| void UpdateWindowTitle() override {} |
| void SizeConstraintsChanged() override {} |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(EmptyDraggableNonClientFrameView); |
| }; |
| |
| // Creates a Window to host the top container when in immersive mode. The |
| // top container contains a DetachedTitleAreaRenderer, which handles drawing and |
| // events. |
| class ImmersiveFullscreenControllerDelegateMus |
| : public ImmersiveFullscreenControllerDelegate { |
| public: |
| ImmersiveFullscreenControllerDelegateMus(views::Widget* frame, |
| aura::Window* frame_window) |
| : frame_(frame), frame_window_(frame_window) {} |
| ~ImmersiveFullscreenControllerDelegateMus() override { |
| DestroyTitleAreaWindow(); |
| } |
| |
| // WmImmersiveFullscreenControllerDelegate: |
| void OnImmersiveRevealStarted() override { |
| CreateTitleAreaWindow(); |
| SetVisibleFraction(0); |
| } |
| void OnImmersiveRevealEnded() override { DestroyTitleAreaWindow(); } |
| void OnImmersiveFullscreenEntered() override {} |
| void OnImmersiveFullscreenExited() override { DestroyTitleAreaWindow(); } |
| void SetVisibleFraction(double visible_fraction) override { |
| aura::Window* title_area_window = GetTitleAreaWindow(); |
| if (!title_area_window) |
| return; |
| gfx::Rect bounds = title_area_window->bounds(); |
| bounds.set_y(frame_window_->bounds().y() - bounds.height() + |
| visible_fraction * bounds.height()); |
| title_area_window->SetBounds(bounds); |
| } |
| std::vector<gfx::Rect> GetVisibleBoundsInScreen() const override { |
| std::vector<gfx::Rect> result; |
| const aura::Window* title_area_window = GetTitleAreaWindow(); |
| if (!title_area_window) |
| return result; |
| |
| // Clip the bounds of the title area to that of the |frame_window_|. |
| gfx::Rect visible_bounds = title_area_window->bounds(); |
| visible_bounds.Intersect(frame_window_->bounds()); |
| // The intersection is in the coordinates of |title_area_window|'s parent, |
| // convert to be in |title_area_window| and then to screen. |
| visible_bounds -= title_area_window->bounds().origin().OffsetFromOrigin(); |
| // TODO: this needs updating when parent of |title_area_window| is changed, |
| // DCHECK is to ensure when parent changes this code is updated. |
| // http://crbug.com/640392. |
| DCHECK_EQ(frame_window_->parent(), title_area_window->parent()); |
| ::wm::ConvertRectToScreen(title_area_window, &visible_bounds); |
| result.push_back(visible_bounds); |
| return result; |
| } |
| |
| private: |
| void CreateTitleAreaWindow() { |
| if (GetTitleAreaWindow()) |
| return; |
| |
| // TODO(sky): bounds aren't right here. Need to convert to display. |
| gfx::Rect bounds = frame_window_->bounds(); |
| // Use the preferred size as when fullscreen the client area is generally |
| // set to 0. |
| bounds.set_height( |
| NonClientFrameController::GetPreferredClientAreaInsets().top()); |
| bounds.set_y(bounds.y() - bounds.height()); |
| title_area_renderer_ = |
| std::make_unique<DetachedTitleAreaRendererForInternal>(frame_); |
| title_area_renderer_->widget()->SetBounds(bounds); |
| title_area_renderer_->widget()->ShowInactive(); |
| } |
| |
| void DestroyTitleAreaWindow() { title_area_renderer_.reset(); } |
| |
| aura::Window* GetTitleAreaWindow() { |
| return const_cast<aura::Window*>( |
| const_cast<const ImmersiveFullscreenControllerDelegateMus*>(this) |
| ->GetTitleAreaWindow()); |
| } |
| const aura::Window* GetTitleAreaWindow() const { |
| return title_area_renderer_ |
| ? title_area_renderer_->widget()->GetNativeView() |
| : nullptr; |
| } |
| |
| // The Widget immersive mode is operating on. |
| views::Widget* frame_; |
| |
| // The ui::Window associated with |frame_|. |
| aura::Window* frame_window_; |
| |
| std::unique_ptr<DetachedTitleAreaRendererForInternal> title_area_renderer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ImmersiveFullscreenControllerDelegateMus); |
| }; |
| |
| class WmNativeWidgetAura : public views::NativeWidgetAura { |
| public: |
| WmNativeWidgetAura(views::internal::NativeWidgetDelegate* delegate, |
| bool remove_standard_frame, |
| bool enable_immersive, |
| mojom::WindowStyle window_style) |
| // The NativeWidget is mirroring the real Widget created in client code. |
| // |is_parallel_widget_in_window_manager| is used to indicate this |
| : views::NativeWidgetAura( |
| delegate, |
| true /* is_parallel_widget_in_window_manager */), |
| remove_standard_frame_(remove_standard_frame), |
| enable_immersive_(enable_immersive), |
| window_style_(window_style) {} |
| ~WmNativeWidgetAura() override = default; |
| |
| void SetHeaderHeight(int height) { |
| if (custom_frame_view_) |
| custom_frame_view_->SetHeaderHeight({height}); |
| } |
| |
| void set_cursor(const ui::Cursor& cursor) { cursor_ = cursor; } |
| |
| // views::NativeWidgetAura: |
| views::NonClientFrameView* CreateNonClientFrameView() override { |
| // TODO(sky): investigate why we have this. Seems this should be the same |
| // as not specifying client area insets. |
| if (remove_standard_frame_) |
| return new EmptyDraggableNonClientFrameView(); |
| aura::Window* window = GetNativeView(); |
| if (window->GetProperty(aura::client::kWindowTypeKey) == |
| ui::mojom::WindowType::PANEL) |
| return new PanelFrameView(GetWidget(), PanelFrameView::FRAME_ASH); |
| immersive_delegate_ = |
| std::make_unique<ImmersiveFullscreenControllerDelegateMus>(GetWidget(), |
| window); |
| // See description for details on ownership. |
| custom_frame_view_ = |
| new CustomFrameViewAsh(GetWidget(), immersive_delegate_.get(), |
| enable_immersive_, window_style_); |
| |
| // Only the header actually paints any content. So the rest of the region is |
| // marked as transparent content (see below in NonClientFrameController() |
| // ctor). So, it is necessary to provide a texture-layer for the header |
| // view. |
| views::View* header_view = custom_frame_view_->GetHeaderView(); |
| header_view->SetPaintToLayer(ui::LAYER_TEXTURED); |
| header_view->layer()->SetFillsBoundsOpaquely(false); |
| |
| return custom_frame_view_; |
| } |
| |
| gfx::NativeCursor GetCursor(const gfx::Point& point) override { |
| return cursor_; |
| } |
| |
| private: |
| const bool remove_standard_frame_; |
| const bool enable_immersive_; |
| const mojom::WindowStyle window_style_; |
| |
| std::unique_ptr<ImmersiveFullscreenControllerDelegateMus> immersive_delegate_; |
| |
| // Not used for panels or if |remove_standard_frame_| is true. This is owned |
| // by the Widget's view hierarchy (e.g. it's a child of Widget's root View). |
| CustomFrameViewAsh* custom_frame_view_ = nullptr; |
| |
| // The cursor for this widget. CompoundEventFilter will retrieve this cursor |
| // via GetCursor and update the CursorManager's active cursor as appropriate |
| // (i.e. when the mouse pointer is over this widget). |
| ui::Cursor cursor_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WmNativeWidgetAura); |
| }; |
| |
| // ContentsViewMus links the ash Widget's accessibility node tree with the one |
| // inside a remote process app. This is needed to support focus; ash needs to |
| // have "focus" on a leaf node in its Widget/View hierarchy in order for the |
| // accessibility subsystem to see focused nodes in the remote app. |
| class ContentsViewMus : public views::View { |
| public: |
| ContentsViewMus() = default; |
| ~ContentsViewMus() override = default; |
| |
| // views::View: |
| const char* GetClassName() const override { return "ContentsViewMus"; } |
| void GetAccessibleNodeData(ui::AXNodeData* node_data) override { |
| node_data->AddIntAttribute(ax::mojom::IntAttribute::kChildTreeId, |
| views::AXRemoteHost::kRemoteAXTreeID); |
| node_data->role = ax::mojom::Role::kClient; |
| } |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(ContentsViewMus); |
| }; |
| |
| class ClientViewMus : public views::ClientView { |
| public: |
| ClientViewMus(views::Widget* widget, |
| views::View* contents_view, |
| NonClientFrameController* frame_controller) |
| : views::ClientView(widget, contents_view), |
| frame_controller_(frame_controller) {} |
| ~ClientViewMus() override = default; |
| |
| // views::ClientView: |
| bool CanClose() override { |
| // CanClose() is called when the user requests the window to close (such as |
| // clicking the close button). As this window is managed by a remote client |
| // pass the request to the remote client and return false (to cancel the |
| // close). If the remote client wants the window to close, it will close it |
| // in a way that does not reenter this code path. |
| Shell::Get()->window_service_owner()->window_service()->RequestClose( |
| frame_controller_->window()); |
| return false; |
| } |
| |
| // views::View: |
| const char* GetClassName() const override { return "ClientViewMus"; } |
| |
| private: |
| NonClientFrameController* frame_controller_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ClientViewMus); |
| }; |
| |
| } // namespace |
| |
| NonClientFrameController::NonClientFrameController( |
| aura::Window* parent, |
| aura::Window* context, |
| const gfx::Rect& bounds, |
| ui::mojom::WindowType window_type, |
| aura::PropertyConverter* property_converter, |
| std::map<std::string, std::vector<uint8_t>>* properties) |
| : widget_(new views::Widget), window_(nullptr) { |
| // To simplify things this code creates a Widget. While a Widget is created |
| // we need to ensure we don't inadvertently change random properties of the |
| // underlying ui::Window. For example, showing the Widget shouldn't change |
| // the bounds of the ui::Window in anyway. |
| // |
| // Assertions around InitParams::Type matching ui::mojom::WindowType exist in |
| // MusClient. |
| views::Widget::InitParams params( |
| static_cast<views::Widget::InitParams::Type>(window_type)); |
| DCHECK((parent && !context) || (!parent && context)); |
| params.parent = parent; |
| params.context = context; |
| // TODO: properly set |params.activatable|. Should key off whether underlying |
| // (mus) window can have focus. |
| params.delegate = this; |
| params.bounds = bounds; |
| params.opacity = views::Widget::InitParams::OPAQUE_WINDOW; |
| params.layer_type = ui::LAYER_SOLID_COLOR; |
| WmNativeWidgetAura* native_widget = new WmNativeWidgetAura( |
| widget_, ShouldRemoveStandardFrame(*properties), |
| ShouldEnableImmersive(*properties), GetWindowStyle(*properties)); |
| window_ = native_widget->GetNativeView(); |
| window_->SetProperty(aura::client::kEmbedType, |
| aura::client::WindowEmbedType::TOP_LEVEL_IN_WM); |
| window_->SetProperty(kNonClientFrameControllerKey, this); |
| window_->SetProperty(kWidgetCreationTypeKey, WidgetCreationType::FOR_CLIENT); |
| window_->AddObserver(this); |
| params.native_widget = native_widget; |
| aura::SetWindowType(window_, window_type); |
| for (auto& property_pair : *properties) { |
| property_converter->SetPropertyFromTransportValue( |
| window_, property_pair.first, &property_pair.second); |
| } |
| // Applying properties will have set the show state if specified. |
| // NativeWidgetAura resets the show state from |params|, so we need to update |
| // |params|. |
| params.show_state = window_->GetProperty(aura::client::kShowStateKey); |
| widget_->Init(params); |
| did_init_native_widget_ = true; |
| |
| // Only the caption draws any content. So the caption has its own layer (see |
| // above in WmNativeWidgetAura::CreateNonClientFrameView()). The rest of the |
| // region needs to take part in occlusion in the compositor, but not generate |
| // any content to draw. So the layer is marked as opaque and to draw |
| // solid-color (but the color is transparent, so nothing is actually drawn). |
| ui::Layer* layer = widget_->GetNativeWindow()->layer(); |
| layer->SetColor(SK_ColorTRANSPARENT); |
| layer->SetFillsBoundsOpaquely(true); |
| |
| aura::client::GetTransientWindowClient()->AddObserver(this); |
| } |
| |
| // static |
| NonClientFrameController* NonClientFrameController::Get(aura::Window* window) { |
| return window->GetProperty(kNonClientFrameControllerKey); |
| } |
| |
| // static |
| gfx::Insets NonClientFrameController::GetPreferredClientAreaInsets() { |
| return gfx::Insets( |
| GetAshLayoutSize(AshLayoutSize::kNonBrowserCaption).height(), 0, 0, 0); |
| } |
| |
| // static |
| int NonClientFrameController::GetMaxTitleBarButtonWidth() { |
| return GetAshLayoutSize(AshLayoutSize::kNonBrowserCaption).width() * 3; |
| } |
| |
| void NonClientFrameController::SetClientArea(const gfx::Insets& insets) { |
| static_cast<WmNativeWidgetAura*>(widget_->native_widget()) |
| ->SetHeaderHeight(insets.top()); |
| } |
| |
| void NonClientFrameController::StoreCursor(const ui::Cursor& cursor) { |
| static_cast<WmNativeWidgetAura*>(widget_->native_widget()) |
| ->set_cursor(cursor); |
| } |
| |
| base::string16 NonClientFrameController::GetWindowTitle() const { |
| if (!window_) |
| return base::string16(); |
| |
| base::string16 title = window_->GetTitle(); |
| |
| if (window_->GetProperty(kWindowIsJanky)) |
| title += base::ASCIIToUTF16(" !! Not responding !!"); |
| |
| return title; |
| } |
| |
| bool NonClientFrameController::CanResize() const { |
| return window_ && (window_->GetProperty(aura::client::kResizeBehaviorKey) & |
| ui::mojom::kResizeBehaviorCanResize) != 0; |
| } |
| |
| bool NonClientFrameController::CanMaximize() const { |
| return window_ && (window_->GetProperty(aura::client::kResizeBehaviorKey) & |
| ui::mojom::kResizeBehaviorCanMaximize) != 0; |
| } |
| |
| bool NonClientFrameController::CanMinimize() const { |
| return window_ && (window_->GetProperty(aura::client::kResizeBehaviorKey) & |
| ui::mojom::kResizeBehaviorCanMinimize) != 0; |
| } |
| |
| bool NonClientFrameController::CanActivate() const { |
| // kCanFocus is used for both focus and activation. |
| return window_ && window_->GetProperty(ui::ws2::kCanFocus) && |
| views::WidgetDelegate::CanActivate(); |
| } |
| |
| bool NonClientFrameController::ShouldShowWindowTitle() const { |
| return window_ && window_->GetProperty(aura::client::kTitleShownKey); |
| } |
| |
| views::Widget* NonClientFrameController::GetWidget() { |
| return widget_; |
| } |
| |
| const views::Widget* NonClientFrameController::GetWidget() const { |
| return widget_; |
| } |
| |
| views::View* NonClientFrameController::GetContentsView() { |
| return contents_view_; |
| } |
| |
| views::ClientView* NonClientFrameController::CreateClientView( |
| views::Widget* widget) { |
| DCHECK(!contents_view_); |
| contents_view_ = new ContentsViewMus(); // Owned by views hierarchy. |
| return new ClientViewMus(widget, contents_view_, this); |
| } |
| |
| void NonClientFrameController::OnWindowPropertyChanged(aura::Window* window, |
| const void* key, |
| intptr_t old) { |
| // Properties are applied before the call to InitNativeWidget(). Ignore |
| // processing changes in this case as the Widget is not in a state where we |
| // can use it yet. |
| if (!did_init_native_widget_) |
| return; |
| |
| if (key == kWindowIsJanky || key == aura::client::kTitleKey || |
| key == aura::client::kTitleShownKey) { |
| widget_->UpdateWindowTitle(); |
| widget_->non_client_view()->frame_view()->SchedulePaint(); |
| } else if (key == aura::client::kResizeBehaviorKey) { |
| widget_->OnSizeConstraintsChanged(); |
| } |
| } |
| |
| void NonClientFrameController::OnWindowDestroyed(aura::Window* window) { |
| window_->RemoveObserver(this); |
| window_ = nullptr; |
| } |
| |
| void NonClientFrameController::OnTransientChildWindowAdded( |
| aura::Window* parent, |
| aura::Window* transient_child) { |
| if (parent != window_ || |
| !transient_child->GetProperty(kRenderTitleAreaProperty)) { |
| return; |
| } |
| |
| DetachedTitleAreaRendererForClient* renderer = |
| DetachedTitleAreaRendererForClient::ForWindow(transient_child); |
| if (!renderer || renderer->is_attached()) |
| return; |
| |
| renderer->Attach(widget_); |
| } |
| |
| void NonClientFrameController::OnTransientChildWindowRemoved( |
| aura::Window* parent, |
| aura::Window* transient_child) { |
| if (parent != window_) |
| return; |
| |
| DetachedTitleAreaRendererForClient* renderer = |
| DetachedTitleAreaRendererForClient::ForWindow(transient_child); |
| if (renderer) |
| renderer->Detach(); |
| } |
| |
| NonClientFrameController::~NonClientFrameController() { |
| aura::client::GetTransientWindowClient()->RemoveObserver(this); |
| if (window_) |
| window_->RemoveObserver(this); |
| } |
| |
| } // namespace ash |