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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_PANELS_NATIVE_PANEL_STACK_H_ | |
6 #define CHROME_BROWSER_UI_PANELS_NATIVE_PANEL_STACK_H_ | |
7 | |
8 #include "base/memory/scoped_ptr.h" | |
9 | |
10 class Panel; | |
11 class StackedPanelCollection; | |
12 namespace gfx { | |
13 class Rect; | |
14 } | |
15 | |
16 // An interface that encapsulates the platform-specific behaviors that are | |
17 // needed to support multiple panels that are stacked together. A native | |
18 // window might be created to enclose all the panels in the stack. The lifetime | |
19 // of the class that implements this interface is managed by itself. | |
20 class NativePanelStack { | |
21 public: | |
22 // Creates and returns a NativePanelStack instance whose lifetime is managed | |
23 // by itself and it will be valid until Close is called. NativePanelStack | |
24 // also owns the StackedPanelCollection instance being passed here. | |
25 static NativePanelStack* Create(scoped_ptr<StackedPanelCollection> stack); | |
26 | |
27 virtual ~NativePanelStack() {} | |
28 | |
29 virtual bool IsMinimized() const = 0; | |
30 | |
31 protected: | |
32 friend class StackedPanelCollection; | |
33 | |
34 // Called when the stack is to be closed. This will destruct the | |
35 // NativePanelStack instance which causes the StackedPanelCollection | |
36 // instance to be also destructed since the former owns the later. | |
37 virtual void Close() = 0; | |
38 | |
39 // Called when |panel| is being added to or removed from the stack. | |
40 virtual void OnPanelAddedOrRemoved(Panel* panel) = 0; | |
41 | |
42 // Sets the bounds that is big enough to enclose all panels in the stack. | |
43 virtual void SetBounds(const gfx::Rect& bounds) = 0; | |
44 | |
45 // Minimizes all the panels in the stack as a whole via system. | |
46 virtual void Minimize() = 0; | |
47 | |
48 // Draws or clears the attention via system. The system might choose to | |
49 // flash the taskbar icon for attention. | |
50 virtual void DrawSystemAttention(bool draw_attention) = 0; | |
51 }; | |
52 | |
53 #endif // CHROME_BROWSER_UI_PANELS_NATIVE_PANEL_STACK_H_ | |
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