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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_DEFAULT_STATE_H_
#define ASH_WM_DEFAULT_STATE_H_
#include "ash/wm/base_state.h"
#include "ash/wm/window_state.h"
#include "base/macros.h"
#include "ui/display/display.h"
#include "ui/gfx/geometry/rect.h"
namespace ash {
class SetBoundsWMEvent;
namespace mojom {
enum class WindowStateType;
}
// DefaultState implements Ash behavior without state machine.
class DefaultState : public BaseState {
public:
explicit DefaultState(chromeos::WindowStateType initial_state_type);
~DefaultState() override;
// WindowState::State overrides:
void AttachState(WindowState* window_state,
WindowState::State* previous_state) override;
void DetachState(WindowState* window_state) override;
// BaseState:
void HandleWorkspaceEvents(WindowState* window_state,
const WMEvent* event) override;
void HandleCompoundEvents(WindowState* window_state,
const WMEvent* event) override;
void HandleBoundsEvents(WindowState* window_state,
const WMEvent* event) override;
void HandleTransitionEvents(WindowState* window_state,
const WMEvent* event) override;
private:
// Set the fullscreen/maximized bounds without animation.
static bool SetMaximizedOrFullscreenBounds(WindowState* window_state);
static void SetBounds(WindowState* window_state,
const SetBoundsWMEvent* bounds_event);
// Enters next state. This is used when the state moves from one to another
// within the same desktop mode.
void EnterToNextState(WindowState* window_state,
chromeos::WindowStateType next_state_type);
// Reenters the current state. This is called when migrating from
// previous desktop mode, and the window's state needs to re-construct the
// state/bounds for this state.
void ReenterToCurrentState(WindowState* window_state,
WindowState::State* state_in_previous_mode);
// Animates to new window bounds based on the current and previous state type.
void UpdateBoundsFromState(WindowState* window_state,
chromeos::WindowStateType old_state_type);
// Updates the window bounds for display bounds, or display work area bounds
// changes.
// |ensure_full_window_visibility| - Whether the window bounds should be
// adjusted so they fully fit within the display work area. If false, the
// method will ensure minimum window visibility.
void UpdateBoundsForDisplayOrWorkAreaBoundsChange(
WindowState* window_state,
bool ensure_full_window_visibility);
// The saved window state for the case that the state gets de-/activated.
gfx::Rect stored_bounds_;
gfx::Rect stored_restore_bounds_;
// The display state in which the mode got started.
display::Display stored_display_state_;
// The window state only gets remembered for DCHECK reasons.
WindowState* stored_window_state_;
DISALLOW_COPY_AND_ASSIGN(DefaultState);
};
} // namespace ash
#endif // ASH_WM_DEFAULT_STATE_H_