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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_WM_WINDOW_POSITIONING_UTILS_H_
#define ASH_WM_WINDOW_POSITIONING_UTILS_H_
#include "ash/ash_export.h"
#include "ash/display/screen_orientation_controller.h"
namespace aura {
class Window;
}
namespace display {
class Display;
}
namespace gfx {
class Rect;
class Size;
}
namespace ash {
// We force at least this many DIPs for any window on the screen.
const int kMinimumOnScreenArea = 25;
// In clamshell mode, users can snap left/right for horizontal display and
// top/bottom for vertical display. For primary-landscape-oriented display,
// |kPrimary| and |kSecondary| are left snap and right snap.
// For other orientation see the table of description for
// `SplitViewController::IsLayoutHorizontal()`.
enum class SnapViewType { kPrimary, kSecondary };
// Adjusts |bounds| so that the size does not exceed |max_size|.
ASH_EXPORT void AdjustBoundsSmallerThan(const gfx::Size& max_size,
gfx::Rect* bounds);
// Move the given bounds inside the given |visible_area| in parent coordinates,
// including a safety margin given by |min_width| and |min_height|.
// This also ensures that the top of the bounds is visible.
ASH_EXPORT void AdjustBoundsToEnsureWindowVisibility(
const gfx::Rect& visible_area,
int min_width,
int min_height,
gfx::Rect* bounds);
// Move the given bounds inside the given |visible_area| in parent coordinates,
// including a safety margin given by |kMinimumOnScreenArea|.
// This also ensures that the top of the bounds is visible.
ASH_EXPORT void AdjustBoundsToEnsureMinimumWindowVisibility(
const gfx::Rect& visible_area,
gfx::Rect* bounds);
// Returns the bounds of a snapped window for a given snap |type| and
// |snap_ratio| in clamshell mode.
ASH_EXPORT gfx::Rect GetSnappedWindowBoundsInParent(aura::Window* window,
SnapViewType type,
float snap_ratio);
// Returns the bounds of a snapped window with default snapped ratio
// |kDefaultSnapRatio|, in parent coordinates.
ASH_EXPORT gfx::Rect GetDefaultSnappedWindowBoundsInParent(aura::Window* window,
SnapViewType type);
// Returns the bounds of a snapped window for |display| with |type| and
// |snap_ratio| in clamshell mode whatever coordinates are used for
// |work_area|. Typically, |display| should be the target display window is
// being dragged into.
ASH_EXPORT gfx::Rect GetSnappedWindowBounds(const gfx::Rect& work_area,
const display::Display display,
aura::Window* window,
SnapViewType type,
float snap_ratio);
// Returns the display orientation used for snapping windows in clamshell mode.
// If vertical snap state is not enabled, returns primary-landscape
// orientation. Otherwise, returns the current orientation relative to natural
// orientation of this |display|.
chromeos::OrientationType GetSnapDisplayOrientation(
const display::Display& display);
// Sets the bounds of |window| to |bounds_in_screen|. This may move |window|
// to |display| if necessary.
ASH_EXPORT void SetBoundsInScreen(aura::Window* window,
const gfx::Rect& bounds_in_screen,
const display::Display& display);
} // namespace ash
#endif // ASH_WM_WINDOW_POSITIONING_UTILS_H_
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