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// Copyright 2016 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 CHROME_BROWSER_UI_AUTOFILL_POPUP_VIEW_COMMON_H_
#define CHROME_BROWSER_UI_AUTOFILL_POPUP_VIEW_COMMON_H_
#include "base/macros.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/native_widget_types.h"
namespace autofill {
// Provides utility functions for popup-style views.
class PopupViewCommon {
public:
PopupViewCommon() = default;
virtual ~PopupViewCommon() = default;
// Writes the |x| and |width| properties to |popup_bounds| for the popup's
// placement based on the element's location, the desired width, whether or
// not this is RTL, and the space available in the window to the left/right
// of the element.
void CalculatePopupHorizontalBounds(int desired_width,
const gfx::Rect& element_bounds,
gfx::NativeView container_view,
bool is_rtl,
gfx::Rect* popup_bounds);
// Writes the |y| and |height| properties to |popup_bounds| for the popup's
// placement based on the element's location, the desired height, and the
// space available in the window above/below the element. The popup will be
// placed below the element as long as there is sufficient space.
void CalculatePopupVerticalBounds(int desired_height,
const gfx::Rect& element_bounds,
gfx::NativeView container_view,
gfx::Rect* popup_bounds);
// Convenience method which handles both the vertical and horizontal bounds
// and returns a new Rect.
gfx::Rect CalculatePopupBounds(int desired_width,
int desired_height,
const gfx::Rect& element_bounds,
gfx::NativeView container_view,
bool is_rtl);
// Returns the bounds of the containing window in screen space. Virtual for
// testing.
virtual gfx::Rect GetWindowBounds(gfx::NativeView container_view);
// Returns the greatest possible width for the popup, based on the distances
// between the edges of the element and the respective far edges of the
// window.
int CalculateMaxWidth(const gfx::Rect& element_bounds,
gfx::NativeView container_view);
DISALLOW_COPY_AND_ASSIGN(PopupViewCommon);
};
} // namespace autofill
#endif // CHROME_BROWSER_UI_AUTOFILL_POPUP_VIEW_COMMON_H_