It is time.

ui/views/controls/native/native_view_host.h

-// Copyright (c) 2011 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_CONTROLS_NATIVE_NATIVE_VIEW_HOST_H_
-#define UI_VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_H_
-
-#include <string>
-
-#include "ui/gfx/native_widget_types.h"
-#include "ui/views/view.h"
-
-namespace views {
-namespace test {
-class NativeViewHostTestBase;
-}
-
-class NativeViewHostWrapper;
-
-// If a NativeViewHost's native view is a Widget, this native window
-// property is set on the widget, pointing to the owning NativeViewHost.
-extern const char kWidgetNativeViewHostKey[];
-
-// A View type that hosts a gfx::NativeView. The bounds of the native view are
-// kept in sync with the bounds of this view as it is moved and sized.
-// Under the hood, a platform-specific NativeViewHostWrapper implementation does
-// the platform-specific work of manipulating the underlying OS widget type.
-class VIEWS_EXPORT NativeViewHost : public View {
- public:
-  // The NativeViewHost's class name.
-  static const char kViewClassName[];
-
-  NativeViewHost();
-  virtual ~NativeViewHost();
-
-  // Attach a gfx::NativeView to this View. Its bounds will be kept in sync
-  // with the bounds of this View until Detach is called.
-  //
-  // Because native views are positioned in the coordinates of their parent
-  // native view, this function should only be called after this View has been
-  // added to a View hierarchy hosted within a valid Widget.
-  void Attach(gfx::NativeView native_view);
-
-  // Detach the attached native view. Its bounds and visibility will no
-  // longer be manipulated by this View. The native view may be destroyed and
-  // detached before calling this function, and this has no effect in that case.
-  void Detach();
-
-  // Sets a preferred size for the native view attached to this View.
-  void SetPreferredSize(const gfx::Size& size);
-
-  // A NativeViewHost has an associated focus View so that the focus of the
-  // native control and of the View are kept in sync. In simple cases where the
-  // NativeViewHost directly wraps a native window as is, the associated view
-  // is this View. In other cases where the NativeViewHost is part of another
-  // view (such as TextField), the actual View is not the NativeViewHost and
-  // this method must be called to set that.
-  // This method must be called before Attach().
-  void set_focus_view(View* view) { focus_view_ = view; }
-  View* focus_view() { return focus_view_; }
-
-  // Fast resizing will move the native view and clip its visible region, this
-  // will result in white areas and will not resize the content (so scrollbars
-  // will be all wrong and content will flow offscreen). Only use this
-  // when you're doing extremely quick, high-framerate vertical resizes
-  // and don't care about accuracy. Make sure you do a real resize at the
-  // end. USE WITH CAUTION.
-  void set_fast_resize(bool fast_resize) { fast_resize_ = fast_resize; }
-  bool fast_resize() const { return fast_resize_; }
-
-  // Value of fast_resize() the last time Layout() was invoked.
-  bool fast_resize_at_last_layout() const {
-    return fast_resize_at_last_layout_;
-  }
-
-  // Accessor for |native_view_|.
-  gfx::NativeView native_view() const { return native_view_; }
-
-  void NativeViewDestroyed();
-
-  // Overridden from View:
-  virtual gfx::Size GetPreferredSize() const override;
-  virtual void Layout() override;
-  virtual void OnPaint(gfx::Canvas* canvas) override;
-  virtual void VisibilityChanged(View* starting_from, bool is_visible) override;
-  virtual void OnFocus() override;
-  virtual gfx::NativeViewAccessible GetNativeViewAccessible() override;
-  virtual gfx::NativeCursor GetCursor(const ui::MouseEvent& event) override;
-
- protected:
-  virtual bool GetNeedsNotificationWhenVisibleBoundsChange() const override;
-  virtual void OnVisibleBoundsChanged() override;
-  virtual void ViewHierarchyChanged(
-      const ViewHierarchyChangedDetails& details) override;
-  virtual const char* GetClassName() const override;
-
- private:
-  friend class test::NativeViewHostTestBase;
-
-  // Detach the native view. |destroyed| is true if the native view is
-  // detached because it's being destroyed, or false otherwise.
-  void Detach(bool destroyed);
-
-  // Invokes ViewRemoved() on the FocusManager for all the child Widgets of our
-  // NativeView. This is used when detaching to ensure the FocusManager doesn't
-  // have a reference to a View that is no longer reachable.
-  void ClearFocus();
-
-  // The attached native view. There is exactly one native_view_ attached.
-  gfx::NativeView native_view_;
-
-  // A platform-specific wrapper that does the OS-level manipulation of the
-  // attached gfx::NativeView.
-  scoped_ptr<NativeViewHostWrapper> native_wrapper_;
-
-  // The preferred size of this View
-  gfx::Size preferred_size_;
-
-  // True if the native view is being resized using the fast method described
-  // in the setter/accessor above.
-  bool fast_resize_;
-
-  // Value of |fast_resize_| during the last call to Layout.
-  bool fast_resize_at_last_layout_;
-
-  // The view that should be given focus when this NativeViewHost is focused.
-  View* focus_view_;
-
-  DISALLOW_COPY_AND_ASSIGN(NativeViewHost);
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_H_