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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 VIEWS_WIDGET_NATIVE_WINDOW_DELEGATE_H_
#define VIEWS_WIDGET_NATIVE_WINDOW_DELEGATE_H_
#pragma once
namespace ui {
class ThemeProvider;
}
namespace views {
namespace internal {
////////////////////////////////////////////////////////////////////////////////
// NativeWindowDelegate interface
//
// An interface implemented by an object that receives notifications from a
// NativeWindow implementation.
//
class NativeWindowDelegate {
public:
virtual ~NativeWindowDelegate() {}
// Returns true if the window can be activated.
virtual bool CanActivate() const = 0;
virtual bool IsInactiveRenderingDisabled() const = 0;
virtual void EnableInactiveRendering() = 0;
// Returns true if the window is modal.
virtual bool IsModal() const = 0;
// Returns true if the window is a dialog box.
virtual bool IsDialogBox() const = 0;
// Returns true if the window is using a system native frame. Returns false if
// it is rendering its own title bar, borders and controls.
virtual bool IsUsingNativeFrame() const = 0;
// Returns the smallest size the window can be resized to by the user.
virtual gfx::Size GetMinimumSize() const = 0;
// Returns the non-client component (see views/window/hit_test.h) containing
// |point|, in client coordinates.
virtual int GetNonClientComponent(const gfx::Point& point) const = 0;
// Runs the specified native command. Returns true if the command is handled.
virtual bool ExecuteCommand(int command_id) = 0;
// Called just after the NativeWindow has been created.
virtual void OnNativeWindowCreated(const gfx::Rect& bounds) = 0;
// Called when the activation state of a window has changed.
virtual void OnNativeWindowActivationChanged(bool active) = 0;
// Called when the user begins/ends to change the bounds of the window.
virtual void OnNativeWindowBeginUserBoundsChange() = 0;
virtual void OnNativeWindowEndUserBoundsChange() = 0;
// Called just before the native window is destroyed. This is the delegate's
// last chance to do anything with the native window handle.
virtual void OnNativeWindowDestroying() = 0;
// Called just after the native window is destroyed.
virtual void OnNativeWindowDestroyed() = 0;
// Called when the native window's position or size has changed.
virtual void OnNativeWindowBoundsChanged() = 0;
//
virtual Window* AsWindow() = 0;
//
virtual NativeWidgetDelegate* AsNativeWidgetDelegate() = 0;
};
} // namespace internal
} // namespace views
#endif // VIEWS_WIDGET_NATIVE_WINDOW_DELEGATE_H_
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