1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef UI_VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_AURA_H_
6 #define UI_VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_AURA_H_
8 #include "base/basictypes.h"
9 #include "base/compiler_specific.h"
10 #include "ui/aura/window.h"
11 #include "ui/aura/window_observer.h"
12 #include "ui/views/controls/native/native_view_host_wrapper.h"
13 #include "ui/views/views_export.h"
19 // Aura implementation of NativeViewHostWrapper.
20 class VIEWS_EXPORT NativeViewHostAura : public NativeViewHostWrapper,
21 public aura::WindowObserver {
23 explicit NativeViewHostAura(NativeViewHost* host);
24 virtual ~NativeViewHostAura();
26 // Overridden from NativeViewHostWrapper:
27 virtual void AttachNativeView() OVERRIDE;
28 virtual void NativeViewDetaching(bool destroyed) OVERRIDE;
29 virtual void AddedToWidget() OVERRIDE;
30 virtual void RemovedFromWidget() OVERRIDE;
31 virtual void InstallClip(int x, int y, int w, int h) OVERRIDE;
32 virtual bool HasInstalledClip() OVERRIDE;
33 virtual void UninstallClip() OVERRIDE;
34 virtual void ShowWidget(int x, int y, int w, int h) OVERRIDE;
35 virtual void HideWidget() OVERRIDE;
36 virtual void SetFocus() OVERRIDE;
37 virtual gfx::NativeViewAccessible GetNativeViewAccessible() OVERRIDE;
38 virtual gfx::NativeCursor GetCursor(int x, int y) OVERRIDE;
41 friend class NativeViewHostAuraTest;
43 class ClippingWindowDelegate;
45 // Overridden from aura::WindowObserver:
46 virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
47 virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE;
49 // Reparents the native view with the clipping window existing between it and
50 // its old parent, so that the fast resize path works.
51 void AddClippingWindow();
53 // If the native view has been reparented via AddClippingWindow, this call
55 void RemoveClippingWindow();
57 // Our associated NativeViewHost.
58 NativeViewHost* host_;
60 scoped_ptr<ClippingWindowDelegate> clipping_window_delegate_;
62 // Window that exists between the native view and the parent that allows for
63 // clipping to occur. This is positioned in the coordinate space of
64 // host_->GetWidget().
65 aura::Window clipping_window_;
66 scoped_ptr<gfx::Rect> clip_rect_;
68 DISALLOW_COPY_AND_ASSIGN(NativeViewHostAura);
73 #endif // UI_VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_AURA_H_