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// Copyright 2013 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 ASH_WM_FRAME_BORDER_HITTEST_CONTROLLER_H_
#define ASH_WM_FRAME_BORDER_HITTEST_CONTROLLER_H_
#include "ash/ash_export.h"
#include "ash/wm/window_state_observer.h"
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "ui/aura/window_observer.h"
namespace gfx {
class Point;
}
namespace views {
class NonClientFrameView;
class Widget;
}
namespace ash {
class HeaderPainter;
// Class which manages the hittest override bounds for |frame|. The override
// bounds are used to ensure that the resize cursors are shown when the user
// hovers over |frame|'s edges.
class ASH_EXPORT FrameBorderHitTestController : public wm::WindowStateObserver,
public aura::WindowObserver {
public:
explicit FrameBorderHitTestController(views::Widget* frame);
virtual ~FrameBorderHitTestController();
// Does the non client hit test on behalf of |view|. |point| must be in the
// coordinates of |view|'s widget.
static int NonClientHitTest(views::NonClientFrameView* view,
HeaderPainter* header_painter,
const gfx::Point& point);
private:
// Updates the size of the region inside of |window_| in which the resize
// handles are shown based on |window_|'s show type.
void UpdateHitTestBoundsOverrideInner();
// WindowStateObserver override:
virtual void OnWindowShowTypeChanged(wm::WindowState* window_state,
wm::WindowShowType old_type) OVERRIDE;
// WindowObserver override:
virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
// The window whose hittest override bounds are being managed.
aura::Window* frame_window_;
DISALLOW_COPY_AND_ASSIGN(FrameBorderHitTestController);
};
} // namespace ash
#endif // ASH_WM_FRAME_BORDER_HITTEST_CONTROLLER_H_
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