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// 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.
#ifndef UI_VIEWS_COCOA_WIDGET_OWNER_NSWINDOW_ADAPTER_H_
#define UI_VIEWS_COCOA_WIDGET_OWNER_NSWINDOW_ADAPTER_H_
#import "base/mac/scoped_nsobject.h"
#import "ui/views/cocoa/bridged_native_widget_owner.h"
@class NSView;
@class WidgetOwnerNSWindowAdapterBridge;
namespace views {
// An adapter that allows a views::Widget to be owned by an NSWindow that is not
// backed by another BridgedNativeWidget.
class WidgetOwnerNSWindowAdapter : public BridgedNativeWidgetOwner {
public:
// Create an adapter that will own |child|, tying its lifetime with the
// NSWindow containing |anchor_view|. The object is self-deleting, via a call
// to RemoveChildWindow() made in child->OnWindowWillClose().
WidgetOwnerNSWindowAdapter(BridgedNativeWidget* child, NSView* anchor_view);
// Called when the owning window is closing.
void OnWindowWillClose();
// Overridden from BridgedNativeWidgetOwner:
NSWindow* GetNSWindow() override;
gfx::Vector2d GetChildWindowOffset() const override;
bool IsVisibleParent() const override;
void RemoveChildWindow(BridgedNativeWidget* child) override;
private:
// Self-deleting.
~WidgetOwnerNSWindowAdapter() override;
BridgedNativeWidget* child_; // Weak. Owned by its NativeWidgetMac.
base::scoped_nsobject<NSView> anchor_view_;
base::scoped_nsobject<WidgetOwnerNSWindowAdapterBridge> observer_bridge_;
DISALLOW_COPY_AND_ASSIGN(WidgetOwnerNSWindowAdapter);
};
} // namespace views
#endif // UI_VIEWS_COCOA_WIDGET_OWNER_NSWINDOW_ADAPTER_H_
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