blob: a1b3c6edf551d1ffb0cd6390590c5e893fb8d01a [file] [log] [blame]
// 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_COMMON_SYSTEM_WEB_NOTIFICATION_ASH_POPUP_ALIGNMENT_DELEGATE_H_
#define ASH_COMMON_SYSTEM_WEB_NOTIFICATION_ASH_POPUP_ALIGNMENT_DELEGATE_H_
#include <stdint.h>
#include "ash/ash_export.h"
#include "ash/common/shelf/wm_shelf_observer.h"
#include "ash/common/shell_observer.h"
#include "ash/public/cpp/shelf_types.h"
#include "base/macros.h"
#include "ui/display/display_observer.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/message_center/views/popup_alignment_delegate.h"
namespace display {
class Screen;
}
namespace ash {
class AshPopupAlignmentDelegateTest;
class ShelfLayoutManager;
class WebNotificationTrayTest;
class WmShelf;
// The PopupAlignmentDelegate subclass for Ash. It needs to handle alignment of
// the shelf and its autohide state.
class ASH_EXPORT AshPopupAlignmentDelegate
: public message_center::PopupAlignmentDelegate,
public WmShelfObserver,
public ShellObserver,
public display::DisplayObserver {
public:
explicit AshPopupAlignmentDelegate(WmShelf* shelf);
~AshPopupAlignmentDelegate() override;
// Start observing the system.
void StartObserving(display::Screen* screen, const display::Display& display);
// Sets the current height of the system tray bubble (or legacy notification
// bubble) so that web notification toasts can avoid it.
void SetTrayBubbleHeight(int height);
// Returns the current tray bubble height or 0 if there is no bubble.
int tray_bubble_height_for_test() const { return tray_bubble_height_; }
// Overridden from message_center::PopupAlignmentDelegate:
int GetToastOriginX(const gfx::Rect& toast_bounds) const override;
int GetBaseLine() const override;
gfx::Rect GetWorkArea() const override;
bool IsTopDown() const override;
bool IsFromLeft() const override;
void RecomputeAlignment(const display::Display& display) override;
void ConfigureWidgetInitParamsForContainer(
views::Widget* widget,
views::Widget::InitParams* init_params) override;
private:
friend class AshPopupAlignmentDelegateTest;
friend class WebNotificationTrayTest;
// Get the current alignment of the shelf.
ShelfAlignment GetAlignment() const;
// Utility function to get the display which should be care about.
display::Display GetCurrentDisplay() const;
// Compute the new work area.
void UpdateWorkArea();
// WmShelfObserver:
void WillChangeVisibilityState(ShelfVisibilityState new_state) override;
void OnAutoHideStateChanged(ShelfAutoHideState new_state) override;
// Overridden from display::DisplayObserver:
void OnDisplayAdded(const display::Display& new_display) override;
void OnDisplayRemoved(const display::Display& old_display) override;
void OnDisplayMetricsChanged(const display::Display& display,
uint32_t metrics) override;
display::Screen* screen_;
gfx::Rect work_area_;
WmShelf* shelf_;
int tray_bubble_height_;
DISALLOW_COPY_AND_ASSIGN(AshPopupAlignmentDelegate);
};
} // namespace ash
#endif // ASH_COMMON_SYSTEM_WEB_NOTIFICATION_ASH_POPUP_ALIGNMENT_DELEGATE_H_