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// Copyright 2014 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_PANELS_ATTACHED_PANEL_WINDOW_TARGETER_H_
#define ASH_WM_PANELS_ATTACHED_PANEL_WINDOW_TARGETER_H_
#include "ash/shell_observer.h"
#include "ui/wm/core/easy_resize_window_targeter.h"
namespace ash {
class PanelLayoutManager;
// A window targeter installed on a panel container to disallow touch
// hit-testing of attached panel edges that are adjacent to the shelf. This
// makes it significantly easier to correctly target shelf buttons with touch.
class AttachedPanelWindowTargeter : public ::wm::EasyResizeWindowTargeter,
public ShellObserver {
public:
AttachedPanelWindowTargeter(aura::Window* container,
const gfx::Insets& default_mouse_extend,
const gfx::Insets& default_touch_extend,
PanelLayoutManager* panel_layout_manager);
virtual ~AttachedPanelWindowTargeter();
// ShellObserver:
virtual void OnShelfCreatedForRootWindow(aura::Window* root_window) OVERRIDE;
virtual void OnShelfAlignmentChanged(aura::Window* root_window) OVERRIDE;
private:
void UpdateTouchExtend(aura::Window* root_window);
aura::Window* panel_container_;
PanelLayoutManager* panel_layout_manager_;
gfx::Insets default_touch_extend_;
DISALLOW_COPY_AND_ASSIGN(AttachedPanelWindowTargeter);
};
} // namespace ash
#endif // ASH_WM_PANELS_ATTACHED_PANEL_WINDOW_TARGETER_H_
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