chrome/browser/ui/cocoa/panels/panel_stack_window_cocoa.h

   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/geometry/rect.h"
  18
  19 @class BatchBoundsAnimationDelegate;
  20 class Panel;
  21 class 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.
  25 class PanelStackWindowCocoa : public NativePanelStackWindow {
  26  public:
  27   explicit PanelStackWindowCocoa(NativePanelStackWindowDelegate* delegate);
  28   ~PanelStackWindowCocoa() override;
  29
  30   // Notified by BatchBoundsAnimationDelegate about the ending of the bounds
  31   // animation.
  32   void BoundsUpdateAnimationEnded();
  33
  34  protected:
  35   // Overridden from NativePanelStackWindow:
  36   void Close() override;
  37   void AddPanel(Panel* panel) override;
  38   void RemovePanel(Panel* panel) override;
  39   void MergeWith(NativePanelStackWindow* another) override;
  40   bool IsEmpty() const override;
  41   bool HasPanel(Panel* panel) const override;
  42   void MovePanelsBy(const gfx::Vector2d& delta) override;
  43   void BeginBatchUpdatePanelBounds(bool animate) override;
  44   void AddPanelBoundsForBatchUpdate(Panel* panel,
  45                                     const gfx::Rect& bounds) override;
  46   void EndBatchUpdatePanelBounds() override;
  47   bool IsAnimatingPanelBounds() const override;
  48   void Minimize() override;
  49   bool IsMinimized() const override;
  50   void DrawSystemAttention(bool draw_attention) override;
  51   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_