blob: 1a03e2d7e9f05e5f6b793fd0581deb5531348d84 [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.
#include "ash/ash_export.h"
#include "ash/shelf/shelf_layout_manager_observer.h"
#include "ash/shelf/shelf_types.h"
#include "ash/shell_observer.h"
#include "base/macros.h"
#include "ui/gfx/display_observer.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/message_center/views/popup_alignment_delegate.h"
namespace aura {
class Window;
namespace gfx {
class Screen;
namespace ash {
class AshPopupAlignmentDelegateTest;
class ShelfLayoutManager;
class WebNotificationTrayTest;
// 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 ShelfLayoutManagerObserver,
public ShellObserver,
public gfx::DisplayObserver {
virtual ~AshPopupAlignmentDelegate();
// Start observing the system.
void StartObserving(gfx::Screen* screen, const gfx::Display& display);
// Sets the current height of the system tray so that the notification toasts
// can avoid it.
void SetSystemTrayHeight(int height);
// Overridden from message_center::PopupAlignmentDelegate:
virtual int GetToastOriginX(const gfx::Rect& toast_bounds) const OVERRIDE;
virtual int GetBaseLine() const OVERRIDE;
virtual int GetWorkAreaBottom() const OVERRIDE;
virtual bool IsTopDown() const OVERRIDE;
virtual bool IsFromLeft() const OVERRIDE;
virtual void RecomputeAlignment(const gfx::Display& display) OVERRIDE;
friend class AshPopupAlignmentDelegateTest;
friend class WebNotificationTrayTest;
// Get the current alignment of the shelf.
ShelfAlignment GetAlignment() const;
// Update |shelf_| and start watching when it's first set. This should not
// be done in the constructor because the shelf might not be initialized at
// that point.
void UpdateShelf();
// Overridden from ShellObserver:
virtual void OnDisplayWorkAreaInsetsChanged() OVERRIDE;
// Overridden from ShelfLayoutManagerObserver:
virtual void OnAutoHideStateChanged(ShelfAutoHideState new_state) OVERRIDE;
// Overridden from gfx::DisplayObserver:
virtual void OnDisplayAdded(const gfx::Display& new_display) OVERRIDE;
virtual void OnDisplayRemoved(const gfx::Display& old_display) OVERRIDE;
virtual void OnDisplayMetricsChanged(const gfx::Display& display,
uint32_t metrics) OVERRIDE;
int64_t display_id_;
gfx::Screen* screen_;
gfx::Rect work_area_;
aura::Window* root_window_;
ShelfLayoutManager* shelf_;
int system_tray_height_;
} // namespace ash