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// 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_AURA_H_
#define UI_VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_AURA_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "ui/aura/window.h"
#include "ui/aura/window_observer.h"
#include "ui/views/controls/native/native_view_host_wrapper.h"
#include "ui/views/views_export.h"
namespace views {
class NativeViewHost;
// Aura implementation of NativeViewHostWrapper.
class VIEWS_EXPORT NativeViewHostAura : public NativeViewHostWrapper,
public aura::WindowObserver {
public:
explicit NativeViewHostAura(NativeViewHost* host);
~NativeViewHostAura() override;
// Overridden from NativeViewHostWrapper:
void AttachNativeView() override;
void NativeViewDetaching(bool destroyed) override;
void AddedToWidget() override;
void RemovedFromWidget() override;
void InstallClip(int x, int y, int w, int h) override;
bool HasInstalledClip() override;
void UninstallClip() override;
void ShowWidget(int x, int y, int w, int h) override;
void HideWidget() override;
void SetFocus() override;
gfx::NativeViewAccessible GetNativeViewAccessible() override;
gfx::NativeCursor GetCursor(int x, int y) override;
private:
friend class NativeViewHostAuraTest;
class ClippingWindowDelegate;
// Overridden from aura::WindowObserver:
void OnWindowDestroying(aura::Window* window) override;
void OnWindowDestroyed(aura::Window* window) override;
// Reparents the native view with the clipping window existing between it and
// its old parent, so that the fast resize path works.
void AddClippingWindow();
// If the native view has been reparented via AddClippingWindow, this call
// undoes it.
void RemoveClippingWindow();
// Our associated NativeViewHost.
NativeViewHost* host_;
scoped_ptr<ClippingWindowDelegate> clipping_window_delegate_;
// Window that exists between the native view and the parent that allows for
// clipping to occur. This is positioned in the coordinate space of
// host_->GetWidget().
aura::Window clipping_window_;
scoped_ptr<gfx::Rect> clip_rect_;
DISALLOW_COPY_AND_ASSIGN(NativeViewHostAura);
};
} // namespace views
#endif // UI_VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_AURA_H_
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