1// Copyright (c) 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_UI_COCOA_PANELS_PANEL_STACK_WINDOW_COCOA_H_
6#define CHROME_BROWSER_UI_COCOA_PANELS_PANEL_STACK_WINDOW_COCOA_H_
7
8#import <Cocoa/Cocoa.h>
9
10#include <list>
11#include <map>
12
13#include "base/basictypes.h"
14#include "base/mac/scoped_nsobject.h"
15#include "base/memory/scoped_ptr.h"
16#include "chrome/browser/ui/panels/native_panel_stack_window.h"
17#include "ui/gfx/rect.h"
18
19@class BatchBoundsAnimationDelegate;
20class Panel;
21class PanelStackWindowCocoa;
22
23// A native window that acts as the owner of all/partial panels in the stack,
24// in order to make these panels appear as a single window.
25class PanelStackWindowCocoa : public NativePanelStackWindow {
26 public:
27  explicit PanelStackWindowCocoa(NativePanelStackWindowDelegate* delegate);
28  virtual ~PanelStackWindowCocoa();
29
30  // Notified by BatchBoundsAnimationDelegate about the ending of the bounds
31  // animation.
32  void BoundsUpdateAnimationEnded();
33
34 protected:
35  // Overridden from NativePanelStackWindow:
36  virtual void Close() OVERRIDE;
37  virtual void AddPanel(Panel* panel) OVERRIDE;
38  virtual void RemovePanel(Panel* panel) OVERRIDE;
39  virtual void MergeWith(NativePanelStackWindow* another) OVERRIDE;
40  virtual bool IsEmpty() const OVERRIDE;
41  virtual bool HasPanel(Panel* panel) const OVERRIDE;
42  virtual void MovePanelsBy(const gfx::Vector2d& delta) OVERRIDE;
43  virtual void BeginBatchUpdatePanelBounds(bool animate) OVERRIDE;
44  virtual void AddPanelBoundsForBatchUpdate(Panel* panel,
45                                            const gfx::Rect& bounds) OVERRIDE;
46  virtual void EndBatchUpdatePanelBounds() OVERRIDE;
47  virtual bool IsAnimatingPanelBounds() const OVERRIDE;
48  virtual void Minimize() OVERRIDE;
49  virtual bool IsMinimized() const OVERRIDE;
50  virtual void DrawSystemAttention(bool draw_attention) OVERRIDE;
51  virtual void OnPanelActivated(Panel* panel) OVERRIDE;
52
53 private:
54  typedef std::list<Panel*> Panels;
55
56  // The map value is old bounds of the panel.
57  typedef std::map<Panel*, gfx::Rect> BoundsUpdates;
58
59  // Terminates current bounds animation, if any.
60  void TerminateBoundsAnimation();
61
62  // Computes/updates the minimum bounds that could fit all panels.
63  gfx::Rect GetStackWindowBounds() const;
64  void UpdateStackWindowBounds();
65
66  // Ensures that the background window is created.
67  void EnsureWindowCreated();
68
69  // Weak pointer. Owned by PanelManager.
70  NativePanelStackWindowDelegate* delegate_;
71
72  // The underlying window.
73  base::scoped_nsobject<NSWindow> window_;
74
75  Panels panels_;
76
77  // Identifier from requestUserAttention.
78  NSInteger attention_request_id_;
79
80  // For batch bounds update.
81  bool bounds_updates_started_;
82  bool animate_bounds_updates_;
83  BoundsUpdates bounds_updates_;
84
85  // Used to animate the bounds changes at a synchronized pace.
86  // Lifetime controlled manually, needs more than just |release| to terminate.
87  NSViewAnimation* bounds_animation_;
88  base::scoped_nsobject<BatchBoundsAnimationDelegate>
89      bounds_animation_delegate_;
90
91  DISALLOW_COPY_AND_ASSIGN(PanelStackWindowCocoa);
92};
93
94#endif  // CHROME_BROWSER_UI_COCOA_PANELS_PANEL_STACK_WINDOW_COCOA_H_
95