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// Copyright (c) 2012 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.
#ifndef UI_VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_
#define UI_VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_
#include <memory>
#include <string>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "build/build_config.h"
#include "ui/aura/client/drag_drop_delegate.h"
#include "ui/aura/client/focus_change_observer.h"
#include "ui/aura/window_delegate.h"
#include "ui/aura/window_observer.h"
#include "ui/base/cursor/cursor.h"
#include "ui/events/event_constants.h"
#include "ui/views/views_export.h"
#include "ui/views/widget/native_widget_private.h"
#include "ui/wm/public/activation_change_observer.h"
#include "ui/wm/public/activation_delegate.h"
#if defined(OS_APPLE)
#error This file must not be included on macOS; Chromium Mac doesn't use Aura.
#endif
namespace aura {
class Window;
}
namespace views {
class DropHelper;
class FocusManagerEventHandler;
class TooltipManagerAura;
class WindowReorderer;
class VIEWS_EXPORT NativeWidgetAura : public internal::NativeWidgetPrivate,
public aura::WindowDelegate,
public aura::WindowObserver,
public wm::ActivationDelegate,
public wm::ActivationChangeObserver,
public aura::client::FocusChangeObserver,
public aura::client::DragDropDelegate {
public:
explicit NativeWidgetAura(internal::NativeWidgetDelegate* delegate);
// Called internally by NativeWidgetAura and DesktopNativeWidgetAura to
// associate |native_widget| with |window|.
static void RegisterNativeWidgetForWindow(
internal::NativeWidgetPrivate* native_widget,
aura::Window* window);
// Assign an icon to aura window.
static void AssignIconToAuraWindow(aura::Window* window,
const gfx::ImageSkia& window_icon,
const gfx::ImageSkia& app_icon);
// If necessary, sets the ShadowElevation of |window| from |params|.
static void SetShadowElevationFromInitParams(
aura::Window* window,
const Widget::InitParams& params);
// Sets the window property aura::client::kResizeBehaviorKey based on the
// values from the delegate.
static void SetResizeBehaviorFromDelegate(WidgetDelegate* delegate,
aura::Window* window);
// internal::NativeWidgetPrivate:
void InitNativeWidget(Widget::InitParams params) override;
void OnWidgetInitDone() override;
std::unique_ptr<NonClientFrameView> CreateNonClientFrameView() override;
bool ShouldUseNativeFrame() const override;
bool ShouldWindowContentsBeTransparent() const override;
void FrameTypeChanged() override;
Widget* GetWidget() override;
const Widget* GetWidget() const override;
gfx::NativeView GetNativeView() const override;
gfx::NativeWindow GetNativeWindow() const override;
Widget* GetTopLevelWidget() override;
const ui::Compositor* GetCompositor() const override;
const ui::Layer* GetLayer() const override;
void ReorderNativeViews() override;
void ViewRemoved(View* view) override;
void SetNativeWindowProperty(const char* name, void* value) override;
void* GetNativeWindowProperty(const char* name) const override;
TooltipManager* GetTooltipManager() const override;
void SetCapture() override;
void ReleaseCapture() override;
bool HasCapture() const override;
ui::InputMethod* GetInputMethod() override;
void CenterWindow(const gfx::Size& size) override;
void GetWindowPlacement(gfx::Rect* bounds,
ui::WindowShowState* maximized) const override;
bool SetWindowTitle(const base::string16& title) override;
void SetWindowIcons(const gfx::ImageSkia& window_icon,
const gfx::ImageSkia& app_icon) override;
void InitModalType(ui::ModalType modal_type) override;
gfx::Rect GetWindowBoundsInScreen() const override;
gfx::Rect GetClientAreaBoundsInScreen() const override;
gfx::Rect GetRestoredBounds() const override;
std::string GetWorkspace() const override;
void SetBounds(const gfx::Rect& bounds) override;
void SetBoundsConstrained(const gfx::Rect& bounds) override;
void SetSize(const gfx::Size& size) override;
void StackAbove(gfx::NativeView native_view) override;
void StackAtTop() override;
void SetShape(std::unique_ptr<Widget::ShapeRects> shape) override;
void Close() override;
void CloseNow() override;
void Show(ui::WindowShowState show_state,
const gfx::Rect& restore_bounds) override;
void Hide() override;
bool IsVisible() const override;
void Activate() override;
void Deactivate() override;
bool IsActive() const override;
void SetZOrderLevel(ui::ZOrderLevel order) override;
ui::ZOrderLevel GetZOrderLevel() const override;
void SetVisibleOnAllWorkspaces(bool always_visible) override;
bool IsVisibleOnAllWorkspaces() const override;
void Maximize() override;
void Minimize() override;
bool IsMaximized() const override;
bool IsMinimized() const override;
void Restore() override;
void SetFullscreen(bool fullscreen) override;
bool IsFullscreen() const override;
void SetCanAppearInExistingFullscreenSpaces(
bool can_appear_in_existing_fullscreen_spaces) override;
void SetOpacity(float opacity) override;
void SetAspectRatio(const gfx::SizeF& aspect_ratio) override;
void FlashFrame(bool flash_frame) override;
void RunShellDrag(View* view,
std::unique_ptr<ui::OSExchangeData> data,
const gfx::Point& location,
int operation,
ui::mojom::DragEventSource source) override;
void SchedulePaintInRect(const gfx::Rect& rect) override;
void ScheduleLayout() override;
void SetCursor(gfx::NativeCursor cursor) override;
bool IsMouseEventsEnabled() const override;
bool IsMouseButtonDown() const override;
void ClearNativeFocus() override;
gfx::Rect GetWorkAreaBoundsInScreen() const override;
Widget::MoveLoopResult RunMoveLoop(
const gfx::Vector2d& drag_offset,
Widget::MoveLoopSource source,
Widget::MoveLoopEscapeBehavior escape_behavior) override;
void EndMoveLoop() override;
void SetVisibilityChangedAnimationsEnabled(bool value) override;
void SetVisibilityAnimationDuration(const base::TimeDelta& duration) override;
void SetVisibilityAnimationTransition(
Widget::VisibilityTransition transition) override;
bool IsTranslucentWindowOpacitySupported() const override;
ui::GestureRecognizer* GetGestureRecognizer() override;
void OnSizeConstraintsChanged() override;
void OnNativeViewHierarchyWillChange() override;
void OnNativeViewHierarchyChanged() override;
std::string GetName() const override;
// aura::WindowDelegate:
gfx::Size GetMinimumSize() const override;
gfx::Size GetMaximumSize() const override;
void OnBoundsChanged(const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds) override;
gfx::NativeCursor GetCursor(const gfx::Point& point) override;
int GetNonClientComponent(const gfx::Point& point) const override;
bool ShouldDescendIntoChildForEventHandling(
aura::Window* child,
const gfx::Point& location) override;
bool CanFocus() override;
void OnCaptureLost() override;
void OnPaint(const ui::PaintContext& context) override;
void OnDeviceScaleFactorChanged(float old_device_scale_factor,
float new_device_scale_factor) override;
void OnWindowDestroying(aura::Window* window) override;
void OnWindowDestroyed(aura::Window* window) override;
void OnWindowTargetVisibilityChanged(bool visible) override;
bool HasHitTestMask() const override;
void GetHitTestMask(SkPath* mask) const override;
void UpdateVisualState() override;
// aura::WindowObserver:
void OnWindowPropertyChanged(aura::Window* window,
const void* key,
intptr_t old) override;
void OnResizeLoopStarted(aura::Window* window) override;
void OnResizeLoopEnded(aura::Window* window) override;
// ui::EventHandler:
void OnKeyEvent(ui::KeyEvent* event) override;
void OnMouseEvent(ui::MouseEvent* event) override;
void OnScrollEvent(ui::ScrollEvent* event) override;
void OnGestureEvent(ui::GestureEvent* event) override;
// wm::ActivationDelegate:
bool ShouldActivate() const override;
// wm::ActivationChangeObserver:
void OnWindowActivated(wm::ActivationChangeObserver::ActivationReason reason,
aura::Window* gained_active,
aura::Window* lost_active) override;
// aura::client::FocusChangeObserver:
void OnWindowFocused(aura::Window* gained_focus,
aura::Window* lost_focus) override;
// aura::client::DragDropDelegate:
void OnDragEntered(const ui::DropTargetEvent& event) override;
int OnDragUpdated(const ui::DropTargetEvent& event) override;
void OnDragExited() override;
int OnPerformDrop(const ui::DropTargetEvent& event,
std::unique_ptr<ui::OSExchangeData> data) override;
protected:
~NativeWidgetAura() override;
internal::NativeWidgetDelegate* delegate() { return delegate_; }
private:
void SetInitialFocus(ui::WindowShowState show_state);
internal::NativeWidgetDelegate* delegate_;
// WARNING: set to NULL when destroyed. As the Widget is not necessarily
// destroyed along with |window_| all usage of |window_| should first verify
// non-NULL.
aura::Window* window_;
// See class documentation for Widget in widget.h for a note about ownership.
Widget::InitParams::Ownership ownership_;
// Are we in the destructor?
bool destroying_;
gfx::NativeCursor cursor_;
std::unique_ptr<TooltipManagerAura> tooltip_manager_;
// Reorders child windows of |window_| associated with a view based on the
// order of the associated views in the widget's view hierarchy.
std::unique_ptr<WindowReorderer> window_reorderer_;
std::unique_ptr<DropHelper> drop_helper_;
int last_drop_operation_;
// Native widget's handler to receive events before the event target.
std::unique_ptr<FocusManagerEventHandler> focus_manager_event_handler_;
// The following factory is used for calls to close the NativeWidgetAura
// instance.
base::WeakPtrFactory<NativeWidgetAura> close_widget_factory_{this};
DISALLOW_COPY_AND_ASSIGN(NativeWidgetAura);
};
} // namespace views
#endif // UI_VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_
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